CN113858480A - Plastic particle impurity removal and sorting device and working method thereof - Google Patents
Plastic particle impurity removal and sorting device and working method thereof Download PDFInfo
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- CN113858480A CN113858480A CN202111098904.9A CN202111098904A CN113858480A CN 113858480 A CN113858480 A CN 113858480A CN 202111098904 A CN202111098904 A CN 202111098904A CN 113858480 A CN113858480 A CN 113858480A
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- plastic particles
- box
- support frame
- dust
- screening
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- 229920003023 plastic Polymers 0.000 title claims abstract description 127
- 239000004033 plastic Substances 0.000 title claims abstract description 127
- 239000002245 particle Substances 0.000 title claims abstract description 126
- 239000012535 impurity Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 74
- 238000001035 drying Methods 0.000 claims abstract description 63
- 238000012216 screening Methods 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 58
- 238000000926 separation method Methods 0.000 claims abstract description 53
- 239000004576 sand Substances 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 229920000426 Microplastic Polymers 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000007790 scraping Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2220/00—Type of materials being separated
- B07B2220/02—Plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a plastic particle impurity removing and sorting device and a working method thereof, the device comprises a base, a first support frame is arranged on one side of the base, a dust removing mechanism is arranged on the top of the first support frame, a support seat is fixedly connected to the middle part of the first support frame, a sand removing mechanism is arranged on the top of the support seat, a fan is arranged on the bottom of the first support frame, a second support frame is arranged on one side of the base close to the first support frame, a drying mechanism is arranged on the top of the second support frame, a material storage box is arranged on the bottom of the second support frame, a conveyor is arranged on the other side of the top of the material storage box, a screening mechanism is arranged on the other side of the base, the dust and the scraps in the plastic particles are blown into the first exhaust pipe by high-speed airflow, the plastic particles are washed by the prepared separation liquid, through hierarchical successive cleaning, the efficiency of removing impurities has greatly been improved, has reduced the pollution to the surrounding environment simultaneously.
Description
Technical Field
The invention relates to the field of plastics, in particular to a plastic particle impurity removal and separation device and a working method thereof.
Background
The plastic particles can be used for manufacturing various plastic bags, barrels, basins, toys, furniture, stationery and the like, and can be widely used in the clothing industry, building materials, agriculture, machinery industry and chemical industry for manufacturing living appliances and various plastic products.
The invention with the publication number of CN109834868A discloses a plastic particle processing device, which comprises a box body, wherein an open charging cavity is arranged in the box body, the charging cavity is internally provided with an end wall which is internally communicated with a middle cavity, the middle cavity is internally provided with an end wall which is internally communicated with an inner cavity, the inner cavity is internally provided with an end wall which is internally communicated with a sliding cavity, the sliding cavity is communicated with an external space, and the left side of the charging cavity is provided with a blowing device for blowing plastic particles into the inner cavity. The following disadvantages still exist: this plastic granules processing equipment can only get rid of the great debris granule of density such as iron fillings among the plastic granules through the air current, and is poor to light debris edulcoration effect such as dust, sand grain, influences product quality.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides the impurity removing and sorting device for the plastic particles, so that the overall working efficiency is improved.
The purpose of the invention can be realized by the following technical scheme: a plastic particle impurity removal and separation device comprises a base, wherein a first support frame is installed on one side of the base, a dust removal mechanism is installed on the top of the first support frame, a support seat is fixedly connected to the middle of the first support frame, a sand removal mechanism is installed on the top of the support seat, a fan is installed at the bottom of the first support frame, a second support frame is installed on one side, close to the first support frame, of the base, a drying mechanism is installed on the top of the second support frame, the dust removal mechanism and the drying mechanism are both communicated with the fan, a storage box is installed on the bottom of the second support frame, one side of the top of the storage box is communicated with the drying mechanism, a conveyor is installed on the other side of the top of the storage box, a screening mechanism is installed on the other side of the base, the top of the screening mechanism is communicated with the top of the conveying mechanism, the sand removal mechanism comprises a cleaning box, a first gas pipe is arranged in the middle of the cleaning box, and one end of the first gas pipe is of a closed structure, the other end intercommunication of first gas-supply pipe has first blast pipe, the tip of first blast pipe run through the lateral wall of wasing the case and with wash case fixed connection, the equal angle intercommunication such as downside of first gas-supply pipe has a plurality of spiral spray pipes, the upside intercommunication of first gas-supply pipe has the second gas-supply pipe.
The invention further discloses a sand removing device, which comprises a base, wherein a first support frame is arranged at one side of the base, a dust removing mechanism is arranged at the top of the first support frame, a support seat is fixedly connected to the middle part of the first support frame, a sand removing mechanism is arranged at the top of the support seat, a fan is arranged at the bottom of the first support frame, a second support frame is arranged at one side of the base close to the first support frame, a drying mechanism is arranged at the top of the second support frame, the dust removing mechanism and the drying mechanism are both communicated with the fan, a storage box is arranged at the bottom of the second support frame, one side of the top of the storage box is communicated with the drying mechanism, a conveyor is arranged at the other side of the top of the storage box, a screening mechanism is arranged at the other side of the base, the top of the screening mechanism is communicated with the top of the conveying mechanism, the sand removing mechanism comprises a cleaning box, a first gas pipe is arranged at the middle part of the cleaning box, one end of the first gas pipe is of a closed structure, the other end intercommunication of first gas-supply pipe has first blast pipe, the tip of first blast pipe run through the lateral wall of wasing the case and with wash case fixed connection, the equal angle intercommunication such as downside of first gas-supply pipe has a plurality of spiral spray pipes, the upside intercommunication of first gas-supply pipe has the second gas-supply pipe.
As a further scheme, separation liquid is filled in the cleaning box, first electric push rods are symmetrically arranged on two sides of the top of the cleaning box, first sliding blocks are in threaded connection with driving screw rods of the two first electric push rods, sliding grooves which are symmetrically arranged are formed in the opposite side faces of the two first electric push rods respectively, the two first sliding blocks penetrate through the sliding grooves of the two first electric push rods respectively, the first sliding blocks are in sliding connection with the sliding grooves of the first electric push rods, a salvaging mechanism is arranged between the two first sliding blocks, a liquid discharge port is arranged on one side of the bottom of the cleaning box, and the first gas pipe, the spiral spray pipe and the second gas pipe are all soaked in the separation liquid.
As a further scheme of the invention, the fishing mechanism comprises a driving motor, the end part of a driving shaft of the driving motor is fixedly connected with a supporting cross rod, one side of the driving motor is fixedly connected with the side surface of one of the first slide blocks, one end of the supporting cross rod is rotatably connected with the side surface of the other first slide block, the peripheral side surface of the supporting cross rod is fixedly connected with a fishing plate, the two sides of the top part of the fishing plate are symmetrically provided with second electric push rods, the driving screw rods of the two second electric push rods are both in threaded connection with the second slide blocks, the opposite side surfaces of the two second electric push rods are respectively provided with symmetrically arranged limiting grooves, the two second slide blocks respectively penetrate through the limiting grooves of the two second electric push rods, and the second sliding blocks are connected with the limiting grooves of the second electric push rods in a sliding manner, a push plate is arranged between the two second sliding blocks, the lower side of the push plate is connected with the upper side of the salvaging plate in a sliding manner, and the salvaging plate is integrally of a hollow structure.
According to a further scheme of the invention, the drying mechanism comprises a drying barrel, a second stirrer is installed in the middle of the drying barrel, a plurality of heating rings distributed at equal intervals are embedded in the side wall of the drying barrel, the top of the drying barrel is communicated with a second exhaust pipe, a feed hopper is installed on one side of the drying barrel close to the top of the second exhaust pipe, a feeding turning plate is installed on the lower side of the interior of the feed hopper, the bottom of the drying barrel is communicated with a second air inlet pipe, a scraping blade is fixedly connected to the end part of each stirring rod of the first stirrer and the second stirrer, the scraping blades are respectively connected with the inner walls of the dust removal barrel and the drying barrel in a sliding mode, and the lower end of the second air inlet pipe is communicated with a fan.
As a further scheme of the invention, the screening mechanism comprises a screening box, a first discharge port is arranged at the upper part of one side box wall of the screening box, a first storage box is arranged at the first discharge port of the screening box, a first oscillating screen is arranged at the upper side in the screening box, one side of the first oscillating screen close to the first storage box is inclined downwards, the lower side end of the first oscillating screen extends out of the screening box through the first discharge port and extends into the first storage box, a second discharge port is arranged at the middle part of the other side box wall of the screening box, a second storage box is arranged at the second discharge port of the screening box, a second oscillating screen is arranged at the middle part of the inner side of the screening box, one side of the second oscillating screen close to the second storage box is a lower side, the lower side end of the second oscillating screen extends out of the screening box through the second discharge port and extends into the second storage box, a discharge hopper is arranged at the bottom of the screening box, the upper end of the discharge hopper is arranged in an inclined way and fixedly connected with the inner wall of the bottom of the screening box, the lower extreme intercommunication that goes out the hopper has the dump bin, and the downside four corners department of screening case all installs the spring support post that is the symmetry and sets up, and the equal fixedly connected with mount pad of spring support post's lower extreme, mount pad are installed on the base.
As a further scheme of the invention, one side of the drying barrel, which is close to the bottom of the second air inlet pipe, is provided with a discharge hopper, the output end of the discharge hopper is provided with a discharge turning plate, the output end of the discharge hopper is communicated with the storage box, and the air inlet end of the second air outlet pipe is provided with a filter screen.
As a further scheme of the invention, a feeding cylinder is arranged at the top of the screening box, a feeding turnover plate is arranged at the output end of the feeding cylinder, and the screening box is communicated with a conveyor through the feeding cylinder.
A working method of a plastic particle impurity removal and separation device comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps that a dust removing mechanism is started, plastic particles are added into a dust removing barrel through a feeding hole of the dust removing mechanism and are sequentially and quantitatively added through a sealing turning plate, a first stirrer stirs the plastic particles, meanwhile, a fan supplies air to the dust removing barrel through a first air inlet pipe, dust and debris in the plastic particles are blown into a first exhaust pipe through high-speed airflow and then conveyed into a sand removing mechanism through a first air pipe and a spiral spray pipe, a large amount of gas containing the dust and the debris is divided into small bubbles through an air outlet hole in the spiral spray pipe to be discharged, impurity-containing gas is cleaned through separating liquid, and dust and debris are left at the lower part of the separating liquid;
step two: starting a desanding mechanism, adding the plastic particles subjected to dust removal into the desanding mechanism through a discharge port of the dedusting mechanism, soaking the plastic particles together with impurities with high density such as scrap iron, sand and stone in a separation liquid, enabling the plastic particles to float on the upper part of the separation liquid, depositing the impurities on the lower part of the separation liquid, then starting a salvaging mechanism, rotating a salvaging plate to enable the salvaging plate to be perpendicular to the liquid level of the separation liquid, driving the salvaging mechanism to move to one side close to a drying mechanism through a first electric push rod, gathering the cleaned plastic particles together, then rotating the salvaging plate through a driving motor, salvaging the cleaned plastic particles from the separation liquid, returning the separation liquid into a cleaning box from a leakage hole of the salvaging plate, pushing the salvaging mechanism filled with the wet plastic particles to be moved to the position right above a feed hopper through the first electric push rod, then driving the salvaging plate to rotate again through the driving motor, and pushing a push plate through a second electric push rod, feeding the wetted plastic granules into a hopper;
step three: the drying mechanism is started, the feeding hopper sequentially adds wet plastic particles into the drying mechanism through the feeding turnover plate, the heating ring heats the interior of the drying barrel, the second stirrer fully stirs the wet plastic particles to enable the wet plastic particles to be fully heated, evaporation is accelerated, the fan supplies air to the drying barrel through the second air inlet pipe, high-speed air flow conveys high-heat gas containing water vapor to the first air conveying pipe through the second air exhaust pipe and the second air conveying pipe, the water vapor and dust fragments are condensed and discharged along with the air outlet hole of the spiral spray pipe and combined with a separation liquid phase, the dried plastic particles are conveyed into the storage box, and the conveyor lifts the plastic particles in the storage box and conveys the plastic particles into the feeding barrel;
step four: the screening mechanism is started, the feeding barrel turns over the board through feeding and gradually adds plastic particles to the screening box in a quantitative mode, the first oscillating screen screens out the plastic particles with larger particles and sends the plastic particles into the first storage box for storage, the second oscillating screen screens out the plastic particles with smaller particles and sends the plastic particles into the second storage box, and the rest plastic powder falls into the waste box through the discharging hopper, so that the plastic particles are separated in an impurity removing mode.
The invention has the beneficial effects that:
the plastic particles are added into a dust removing barrel through a feeding hole of a dust removing mechanism and are sequentially and quantitatively added through a sealing turnover plate, the plastic particles are stirred by a first stirring machine, meanwhile, a fan supplies air to the dust removing barrel through a first air inlet pipe, dust and debris in the plastic particles are blown into a first exhaust pipe through high-speed airflow and then are conveyed into a sand removing mechanism through a first air delivery pipe and a spiral spray pipe, a large amount of gas containing the dust and the debris is divided into small bubbles through an air outlet hole in the spiral spray pipe to be discharged, impurity-containing gas is cleaned through separation liquid, dust and debris are left at the lower part of the separation liquid, the impurity-containing gas is washed through the separation liquid, the pollution of the device to the environment is reduced, the plastic particles are fully blown by the high-speed airflow through stirring, so that light impurities such as the dust and the like are removed along with the airflow, and the impurity removing work efficiency is improved;
the method comprises the steps that plastic particles subjected to dust removal are added into a sand removing mechanism through a discharge port of the dust removing mechanism, the plastic particles, scrap iron, sand and other high-density sundries are soaked in a separation liquid, the plastic particles float on the upper portion of the separation liquid, the sundries are deposited on the lower portion of the separation liquid, then a salvaging mechanism is started, a salvaging plate is rotated to enable the salvaging plate to be perpendicular to the liquid level of the separation liquid, a first electric push rod drives the salvaging mechanism to move to one side close to a drying mechanism to gather the cleaned plastic particles together, then a driving motor rotates the salvaging plate to salvage the cleaned plastic particles from the separation liquid, the separation liquid flows back into a cleaning box from a leakage hole of the salvaging plate, the first electric push rod pushes the salvaging mechanism filled with the wet plastic particles to move right above a feed hopper, then the driving motor rotates the salvaging plate again, and a second electric push rod pushes a push plate to send the wet plastic particles into the feed hopper, the plastic particles are washed by the proportioned separation liquid, and the remaining impurities such as scrap iron, sand and stone which have large density and are difficult to blow are precipitated by utilizing density and buoyancy, so that the impurities are separated from the plastic particles, the impurity removal efficiency is improved, the bottom polluted liquid is discharged through a liquid discharge port on one side, and a new separation liquid is replaced, so that the impurity removal efficiency is improved;
the feeding hopper turns over the board through the feeding and adds moist plastic granules to drying mechanism one by one, the inside of drying barrel is heated to the heating ring, the moist plastic granules is fully stirred by the second mixer, make it fully heated, thereby evaporate with higher speed, the fan supplies air to drying barrel through the second intake pipe, the high velocity gas stream conveys the high heat gas containing steam to the first gas-supply pipe through the second blast pipe and the second gas-supply pipe, steam and dust debris condense mutually, and discharge along with the venthole of the spiral spray pipe, combine with the separation liquid, the dried plastic granules are conveyed to the storage box, the conveyor promotes the plastic granules in the storage box and conveys to the feeding barrel, combine moist gas and dust through the high velocity gas stream, thereby improve the washing efficiency of the separation liquid to the dust gas, reduce the pollution of the device to the environment, the high temperature gas also makes first gas-supply pipe and spiral spray pipe not block up, therefore, the cleaning agent is self-cleaned, and the impurity removal efficiency is greatly improved and the pollution to the surrounding environment is reduced through graded successive cleaning;
the feeding cylinder turns over the board through reinforced and adds plastic granules to screening case quantitative one by one, and first shale shaker sieves out and sends into first storage box and stores the great plastic granules of granule, and the second shale shaker sieves out and sends into the second storage box the less plastic granules of granule, and remaining plastic powder falls into the waste bin through going out the hopper to the plastic granules that does not subdivide sieves according to the diameter size, thereby makes things convenient for going on of process on next step.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the dust removing mechanism of the present invention;
FIG. 3 is a schematic structural view of the spiral nozzle of the present invention;
FIG. 4 is a schematic view of the internal structure of the desanding mechanism of the present invention;
FIG. 5 is a top view of the internal structure of the desanding mechanism of the present invention;
FIG. 6 is a top view of the fishing mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the drying mechanism according to the present invention;
FIG. 8 is a schematic view of the internal structure of the sifting mechanism of the present invention;
in the figure: 1. a base; 2. a first support frame; 3. a second support frame; 4. a dust removal mechanism; 5. a supporting seat; 6. a sand removing mechanism; 7. a drying mechanism; 8. a conveyor; 9. a material storage box; 10. a screening mechanism; 11. a fan; 12. a dust removal barrel; 13. a first mixer; 14. a first exhaust pipe; 15. a first intake pipe; 16. a first gas delivery pipe; 17. a spiral nozzle; 18. a cleaning tank; 19. a first electric push rod; 20. a first slider; 21. a liquid discharge port; 22. separating the liquid; 23. a salvaging mechanism; 24. a drive motor; 25. a support rail; 26. a second electric push rod; 27. a second slider; 28. pushing the plate; 29. salvaging a plate; 30. a drying barrel; 31. a second mixer; 32. a heating ring; 33. a feed hopper; 34. a second exhaust pipe; 35. a second gas delivery pipe; 36. scraping a blade; 37. a second intake pipe; 38. screening the box; 39. a feeding cylinder; 40. a first shaker screen; 41. a first storage box; 42. a second shaker screen; 43. a second storage box; 44. and (4) a spring support column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-8: a plastic particle impurity removing and sorting device comprises a base 1, a first support frame 2 is installed on one side of the base 1, a dust removing mechanism 4 is installed on the top of the first support frame 2, a support seat 5 is fixedly connected to the middle of the first support frame 2, a sand removing mechanism 6 is installed on the top of the support seat 5, a fan 11 is installed at the bottom of the first support frame 2, a second support frame 3 is installed on one side of the base 1 close to the first support frame 2, a drying mechanism 7 is installed on the top of the second support frame 3, the dust removing mechanism 4 and the drying mechanism 7 are both communicated with the fan 11, a storage box 9 is installed at the bottom of the second support frame 3, one side of the top of the storage box 9 is communicated with the drying mechanism 7, a conveyor 8 is installed on the other side of the top of the storage box 9, a screening mechanism 10 is installed on the other side of the base 1, and the top of the screening mechanism 10 is communicated with the top of the conveyor 8, desanding mechanism 6 is including wasing case 18, the middle part of wasing case 18 is provided with first gas-supply pipe 16, the one end of first gas-supply pipe 16 is enclosed construction, the other end intercommunication of first gas-supply pipe 16 has first exhaust pipe 14, the tip of first exhaust pipe 14 runs through the lateral wall that washs case 18 and with wash 18 fixed connection of case, the equal angle intercommunication of downside of first gas-supply pipe 16 has a plurality of spiral spray pipes 17, the upside intercommunication of first gas-supply pipe 16 has second gas-supply pipe 35, plastic granules gets rid of the dust through dust removal mechanism 4 earlier, light impurity such as piece, remove iron fillings through desanding mechanism 6 again, big density impurity such as grit, after 7 stoving of drying mechanism, carry out hierarchical screening through screening mechanism 10 again, thereby improve the edulcoration rate through edulcoration one by one time, obtain clean plastic granules.
Wash the inside packing of case 18 and have separating fluid 22, the top bilateral symmetry of wasing case 18 is provided with first electric push rod 19, equal threaded connection has first slider 20 on two first electric push rod 19's the drive screw, the sliding tray that is the symmetry and sets up is seted up respectively to two first electric push rod 19 relative sides, two first sliders 20 run through two first electric push rod 19's sliding tray respectively, and first slider 20 and first electric push rod 19's sliding tray sliding connection, install salvage mechanism 23 between two first sliders 20, wash case 18 bottom one side and install leakage fluid dram 21, first gas-supply pipe 16, spiral spray pipe 17 and second gas-supply pipe 35 all soak in separating fluid 22, the density of separating fluid 22 that obtains through the ratio is greater than the plastic granules, and less than the density of grit, thereby separation plastic granules and impurity.
The fishing mechanism 23 comprises a driving motor 24, a supporting cross rod 25 is fixedly connected to the end portion of a driving shaft of the driving motor 24, one side of the driving motor 24 is fixedly connected to the side surface of one of the first sliding blocks 20, one end of the supporting cross rod 25 is rotatably connected to the side surface of the other first sliding block 20, a fishing plate 29 is fixedly connected to the peripheral side surface of the supporting cross rod 25, second electric push rods 26 are symmetrically arranged on two sides of the top of the fishing plate 29, second sliding blocks 27 are respectively in threaded connection with driving screws of the two second electric push rods 26, limiting grooves which are symmetrically arranged are respectively formed in the opposite side surfaces of the two second electric push rods 26, the two second sliding blocks 27 respectively penetrate through the limiting grooves of the two second electric push rods 26, the second sliding blocks 27 are in sliding connection with the limiting grooves of the second electric push rods 26, a push plate 28 is arranged between the two second sliding blocks 27, the lower side of the push plate 28 is in sliding connection with the upper side of the fishing plate 29, the fishing plate 29 is hollow as a whole.
The drying mechanism 7 comprises a drying barrel 30, a second stirrer 31 is arranged in the middle of the drying barrel 30, a plurality of heating rings 32 which are distributed at equal intervals are embedded in the side wall of the drying barrel 30, a second exhaust pipe 34 is communicated with the top of the drying barrel 30, a feed hopper 33 is arranged on one side of the drying barrel 30 close to the top of the second exhaust pipe 34, a feeding turning plate is arranged on the lower side inside the feed hopper 33, a second air inlet pipe 37 is communicated with the bottom of the drying barrel 30, a scraping blade 36 is fixedly connected with the end part of each stirring rod of the first stirrer 13 and the second stirrer 31, the scraping blade 36 is respectively connected with the inner wall of the dedusting barrel 12 and the inner wall of the drying barrel 30 in a sliding manner, the lower end of the second air inlet pipe 37 is communicated with a fan 11, the liquid evaporation is accelerated by the heating of the heating rings 32, high-temperature humid gas is taken away by the air supply of the fan 11 and is sent into the separation liquid 22 of the desanding mechanism 6, so as to improve the washing efficiency and recover the cleaning liquid, and the pollution is reduced.
The screening mechanism 10 comprises a screening box 38, a first discharge hole is formed in the upper portion of one box wall of the screening box 38, a first storage box 41 is installed at the first discharge hole of the screening box 38, a first oscillating screen 40 is installed on the upper side inside the screening box 38, one side of the first oscillating screen 40 close to the first storage box 41 is inclined downwards, the lower side end of the first oscillating screen 40 extends out of the screening box 38 through the first discharge hole and extends into the first storage box 41, a second discharge hole is formed in the middle portion of the other box wall of the screening box 38, a second storage box 43 is installed at the second discharge hole of the screening box 38, a second oscillating screen 42 is installed in the middle portion of the inner side of the screening box 38, one side of the second oscillating screen 42 close to the second storage box 43 is a lower side, the lower side end of the second oscillating screen 42 extends out of the screening box 38 through the second discharge hole and extends into the second storage box 43, a discharge hopper is installed at the bottom of the screening box 38, go out the upper end of hopper and be slope setting and with the bottom inner wall fixed connection of screening case 38, the lower extreme intercommunication that goes out the hopper has the dump bin, the spring support post 44 that is the symmetry setting is all installed to the downside four corners department of screening case 38, the equal fixedly connected with mount pad of lower extreme of spring support post 44, the mount pad is installed on base 1, the mesh diameter of first shale shaker 40 is big with the mesh diameter of second shale shaker 42, thereby sieve step by step, sieve plastic granules, sieve mechanism 10 according to the quantity that the demand suitably increased the shale shaker, thereby synthesize the screening to the plastic granules of equidimension not, improve the screening rate, prepare for process on next step.
Drying barrel 30 is close to bottom one side of second intake pipe 37 and installs the row hopper, and row hopper output is installed and is arranged the material and turn over the board, and the output and the storage case 9 of arranging the hopper are linked together, and the filter screen is installed to the inlet end of second blast pipe 34, turns over the board through arranging and adds plastic granules in a quantitative way one by one, has improved work efficiency.
The top of the screening box 38 is provided with a feeding cylinder 39, the output end of the feeding cylinder 39 is provided with a feeding turning plate, and the screening box 38 is communicated with the conveyor 8 through the feeding cylinder 39.
A working method of a plastic particle impurity removal and separation device comprises the following specific steps:
the method comprises the following steps: starting a dust removal mechanism 4, adding plastic particles into a dust removal barrel 12 through a feed inlet of the dust removal mechanism 4, sequentially and quantitatively adding the plastic particles through a sealing turnover plate, stirring the plastic particles by a first stirrer 13, simultaneously blowing air to the dust removal barrel 12 through a first air inlet pipe 15 by a fan 11, blowing dust and debris in the plastic particles into a first exhaust pipe 14 through high-speed airflow, conveying the plastic particles into a sand removal mechanism 6 through a first air conveying pipe 16 and a spiral spray pipe 17, dividing a large amount of gas containing the dust and the debris into small bubbles through an air outlet hole in the spiral spray pipe 17, discharging the small bubbles, cleaning the gas containing impurities through a separation liquid 22, and leaving the dust and the impurities at the lower part of the separation liquid 22;
step two: starting the sand removing mechanism 6, adding the dedusted plastic particles into the sand removing mechanism 6 through a discharge port of the dedusting mechanism 4, infiltrating the plastic particles together with impurities with high density such as scrap iron, sand and the like into the separation liquid 22, floating the plastic particles on the upper part of the separation liquid 22, depositing the impurities on the lower part of the separation liquid 22, then starting the salvaging mechanism 23, rotating the salvaging plate 29 to be vertical to the liquid level of the separation liquid 22, driving the salvaging mechanism 23 to move to one side close to the drying mechanism 7 through a first electric push rod 19, gathering the cleaned plastic particles together, then rotating the salvaging plate 29 through a driving motor 24, beating the cleaned plastic particles from the separation liquid 22, returning the separation liquid 22 to the cleaning tank 18 from a leakage hole of the salvaging plate 29, pushing the salvaging mechanism 23 filled with the wet plastic particles to move to the position right above the feed hopper 33 through the first electric push rod 19, the drive motor 24 then rotates the fishing plate 29 again and pushes the push plate 28 via the second electric push rod 26, feeding the wetted plastic particles into the feed hopper 33;
step three: starting the drying mechanism 7, adding wet plastic particles into the drying mechanism 7 one by one through a feed hopper 33 through a feed turning plate, heating the inside of the drying barrel 30 by a heating ring 32, fully stirring the wet plastic particles by a second stirrer 31 to ensure that the wet plastic particles are fully heated so as to accelerate evaporation, supplying air to the drying barrel 30 through a second air inlet pipe 37 by a fan 11, conveying high-temperature gas containing water vapor into a first air conveying pipe 16 through a second air exhaust pipe 34 and a second air conveying pipe 35 by high-speed air flow, condensing the water vapor and dust fragments, discharging the condensed water vapor and dust fragments along with an air outlet hole of a spiral spray pipe 17, combining with a separation liquid 22, conveying the dried plastic particles into a storage box 9, and lifting the plastic particles in the storage box 9 and conveying the plastic particles into a feed cylinder 39 by a conveyor 8;
step four: the screening mechanism 10 is started, the feeding barrel 39 sequentially and quantitatively adds plastic particles into the screening box 38 through the feeding turning plate, the first oscillating screen 40 screens out the plastic particles with larger particles and sends the plastic particles into the first storage box 41 for storage, the second oscillating screen 42 screens out the plastic particles with smaller particles and sends the plastic particles into the second storage box 43, and the rest plastic powder falls into the waste box through the discharging hopper, so that the impurity removal and the sorting of the plastic particles are completed.
When the dust removing device is used, a worker firstly starts the dust removing mechanism 4, plastic particles are added into the dust removing barrel 12 through the feeding hole of the dust removing mechanism 4 and are sequentially and quantitatively added through the sealing turning plate, the plastic particles are stirred by the first stirrer 13, meanwhile, the fan 11 supplies air to the dust removing barrel 12 through the first air inlet pipe 15, dust and debris in the plastic particles are blown into the first exhaust pipe 14 through high-speed airflow and are conveyed into the sand removing mechanism 6 through the first air conveying pipe 16 and the spiral spray pipe 17, a large amount of gas containing the dust and the debris is divided into small bubbles to be discharged through the air outlet hole in the spiral spray pipe 17, the impurity-containing gas is cleaned through the separation liquid 22, dust and debris are left at the lower part of the separation liquid 22, then the sand removing mechanism 6 is started, the plastic particles after dust removal are added into the sand removing mechanism 6 through the discharging hole of the dust removing mechanism 4, the plastic particles, the iron particles, the scrap and the plastic particles, Impurities with high density such as sand and stones are soaked in the separation liquid 22, plastic particles float on the upper part of the separation liquid 22, the impurities are deposited on the lower part of the separation liquid 22, then the fishing mechanism 23 is started, the fishing plate 29 is rotated to be vertical to the liquid level of the separation liquid 22, the fishing mechanism 23 is driven by the first electric push rod 19 to move towards one side close to the drying mechanism 7, cleaned plastic particles are gathered together, then the fishing plate 29 is rotated by the driving motor 24, the cleaned plastic particles are fished out of the separation liquid 22, the separation liquid 22 flows back to the cleaning box 18 from a leakage hole of the fishing plate 29, the first electric push rod 19 pushes the fishing mechanism 23 filled with the wet plastic particles to move to the position right above the feed hopper 33, then the driving motor 24 rotates the fishing plate 29 again, and pushes the push plate 28 by the second electric push rod 26 to send the wet plastic particles into the feed hopper 33, then the drying mechanism 7 is started, the feeding hopper 33 successively adds the wet plastic particles into the drying mechanism 7 through the feeding turning plate, the heating ring 32 heats the inside of the drying barrel 30, the second stirrer 31 fully stirs the wet plastic particles to fully heat the wet plastic particles, so as to accelerate evaporation, the fan 11 supplies air to the drying barrel 30 through the second air inlet pipe 37, the high-speed air flow conveys the high-temperature air containing water vapor to the first air conveying pipe 16 through the second air exhaust pipe 34 and the second air conveying pipe 35, the water vapor and dust debris are condensed and discharged along with the air outlet hole of the spiral spray pipe 17 to be combined with the separation liquid 22, the dried plastic particles are conveyed into the storage box 9, the conveyor 8 lifts the plastic particles in the storage box 9 and conveys the plastic particles into the feeding barrel 39, finally the screening mechanism 10 is started, the feeding barrel 39 successively and quantitatively adds the plastic particles into the screening box 38 through the feeding turning plate, the first oscillating screen 40 screens out large plastic particles and sends the large plastic particles to the first storage box 41 for storage, the second oscillating screen 42 screens out small plastic particles and sends the small plastic particles to the second storage box 43, and the rest plastic powder falls into the waste material box through the discharge hopper, so that impurity removal and sorting of the plastic particles are completed, and then the plastic particles in the first storage box 41, the second storage box 43 and the waste material box are classified and stored and sent to the next process.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The plastic particle impurity-removing sorting device is characterized by comprising a base (1), wherein a first support frame (2) is installed on one side of the base (1), a dust-removing mechanism (4) is installed at the top of the first support frame (2), a support seat (5) is fixedly connected to the middle of the first support frame (2), a sand-removing mechanism (6) is installed at the top of the support seat (5), a fan (11) is installed at the bottom of the first support frame (2), a second support frame (3) is installed on one side, close to the first support frame (2), of the base (1), a drying mechanism (7) is installed at the top of the second support frame (3), the dust-removing mechanism (4) and the drying mechanism (7) are both communicated with the fan (11), a storage box (9) is installed at the bottom of the second support frame (3), one side of the top of the storage box (9) is communicated with the drying mechanism (7), conveyer (8) are installed to the opposite side at storage case (9) top, screening mechanism (10) are installed to the opposite side of base (1), the top of screening mechanism (10) is linked together with the top of conveying mechanism (8), degritting mechanism (6) are including wasing case (18), the middle part of wasing case (18) is provided with first gas-supply pipe (16), the one end intercommunication of first gas-supply pipe (16) has first exhaust pipe (14), angle intercommunication such as the downside of first gas-supply pipe (16) has a plurality of spiral spray pipes (17), the upside intercommunication of first gas-supply pipe (16) has second gas-supply pipe (35).
2. An impurity removing and sorting device for plastic particles as claimed in claim 1, wherein the dust removing mechanism (4) comprises a dust removing barrel (12), a first stirrer (13) is installed in the middle of the dust removing barrel (12), a first exhaust pipe (14) is communicated with the top of the dust removing mechanism (4), a first air inlet pipe (15) is communicated with the bottom of the dust removing mechanism (4), and the first air inlet pipe (15) is communicated with the fan (11).
3. An impurity removing and sorting device for plastic particles as claimed in claim 1, wherein the inside of the cleaning box (18) is filled with a separation liquid (22), first electric push rods (19) are symmetrically arranged on two sides of the top of the cleaning box (18), first sliding blocks (20) are respectively in threaded connection with driving screws of the two first electric push rods (19), a fishing mechanism (23) is installed between the two first sliding blocks (20), and a liquid discharging port (21) is installed on one side of the bottom of the cleaning box (18).
4. An impurity-removing and sorting device for plastic particles according to claim 3, the fishing mechanism (23) comprises a driving motor (24), the end part of a driving shaft of the driving motor (24) is fixedly connected with a supporting cross rod (25), one side of the driving motor (24) is fixedly connected with the side surface of one of the first sliding blocks (20), one end of the supporting cross bar (25) is rotatably connected with the side surface of the other first sliding block (20), a salvaging plate (29) is fixedly connected with the upper side of the supporting cross rod (25), second electric push rods (26) are symmetrically arranged on two sides of the top of the salvaging plate (29), second sliding blocks (27) are in threaded connection with driving screw rods of the two second electric push rods (26), a push plate (28) is arranged between the two second sliding blocks (27), the lower side of the push plate (28) is connected with the upper side of the fishing plate (29) in a sliding way.
5. The impurity-removing and sorting device for the plastic particles is characterized in that the drying mechanism (7) comprises a drying barrel (30), a second stirrer (31) is installed in the middle of the drying barrel (30), a plurality of heating rings (32) distributed at equal intervals are embedded in the side wall of the drying barrel (30), a second exhaust pipe (34) is communicated with the top of the drying barrel (30), a second air inlet pipe (37) is communicated with the bottom of the drying barrel (30), and the lower end of the second air inlet pipe (37) is communicated with a fan (11).
6. An impurity removing and sorting device for plastic particles as claimed in claim 1, wherein the screening mechanism (10) comprises a screening box (38), a first discharge hole is formed in the upper portion of one side box wall of the screening box (38), a first storage box (41) is installed at the first discharge hole of the screening box (38), a first oscillating screen (40) is installed on the upper side inside the screening box (38), a second discharge hole is formed in the middle of the other side box wall of the screening box (38), a second storage box (43) is installed at the second discharge hole of the screening box (38), and a second oscillating screen (42) is installed in the middle of the inner side of the screening box (38).
7. The working method of the plastic particle impurity removing and sorting device is characterized by comprising the following specific steps:
the method comprises the following steps: starting a dust removal mechanism (4), adding plastic particles into a dust removal barrel (12) through a feed inlet of the dust removal mechanism (4), and adding the plastic particles in a successive quantitative manner, stirring the plastic particles by a first stirrer (13), simultaneously blowing air to the dust removal barrel (12) by a fan (11), blowing dust and debris in the plastic particles into a first exhaust pipe (14) through high-speed airflow, and conveying the dust and debris into a separation liquid (22) through a first gas pipe (16) and a spiral spray pipe (17);
step two: starting the sand removing mechanism (6), adding the dedusted plastic particles into the sand removing mechanism (6) to be soaked in the separation liquid (22), floating the plastic particles on the upper part of the separation liquid (22), depositing impurities on the lower part of the separation liquid (22), then starting the fishing mechanism (23), fishing out the cleaned plastic particles from the separation liquid (22), and sending the wet plastic particles into the drying mechanism (7);
step three: the drying mechanism (7) is started, moist plastic particles are added, the heating ring (32) is used for heating, the moist plastic particles are fully stirred by the second stirrer (31), the fan (11) supplies air to the drying barrel (30) through the second air inlet pipe (37), high-heat gas containing water vapor is conveyed to the first air conveying pipe (16), the dried plastic particles are conveyed to the storage box (9), and the conveyor (8) lifts the plastic particles in the storage box (9) and conveys the plastic particles to the screening mechanism (10);
step four: the screening mechanism (10) is started, plastic particles are added into the screening box (38) in a sequential and quantitative mode, the plastic particles with larger particles are screened out by the first vibrating screen (40) and are sent into the first storage box (41), the plastic particles with smaller particles are screened out by the second vibrating screen (42) and are sent into the second storage box (43), and the residual plastic powder falls into the waste material box through the discharging hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098904.9A CN113858480A (en) | 2021-09-18 | 2021-09-18 | Plastic particle impurity removal and sorting device and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111098904.9A CN113858480A (en) | 2021-09-18 | 2021-09-18 | Plastic particle impurity removal and sorting device and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634606A (en) * | 2022-10-18 | 2023-01-24 | 安徽华铂再生资源科技有限公司 | Non-ferrous smelting soot closed conveying and returning batching device |
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2021
- 2021-09-18 CN CN202111098904.9A patent/CN113858480A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634606A (en) * | 2022-10-18 | 2023-01-24 | 安徽华铂再生资源科技有限公司 | Non-ferrous smelting soot closed conveying and returning batching device |
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Application publication date: 20211231 |