CN120242589B - Impurity filtering device - Google Patents
Impurity filtering deviceInfo
- Publication number
- CN120242589B CN120242589B CN202510759524.7A CN202510759524A CN120242589B CN 120242589 B CN120242589 B CN 120242589B CN 202510759524 A CN202510759524 A CN 202510759524A CN 120242589 B CN120242589 B CN 120242589B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- filter
- filter plate
- water
- filter cartridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
本发明涉及过滤设备技术领域，具体公开了一种杂质过滤装置，包括套筒、设置在套筒内的过滤筒和用于驱动过滤筒旋转的驱动源，套筒的后端设置有用于向过滤筒中进水的进水管，套筒的底部形成有液池，套筒一侧设置有用于使液池内液体流出的溢流孔，所述过滤筒内壁固定连接有螺旋叶，所述过滤筒的底部浸在液池中，且液面的高度不超过螺旋叶内径最低处的高度，所述套筒的前端安装有排渣斗，当过滤筒旋转时，通过设置液池、溢流孔、螺旋叶及捞渣组件，在过滤筒旋转时利用离心力分离杂质，并由反冲装置及时冲洗滤孔，有效解决了轻质杂质粘附滤筒导致的堵塞问题，具有提高过滤效率、减少维护频率的优点。
The present invention relates to the technical field of filtering equipment, and specifically discloses an impurity filtering device, including a sleeve, a filter cartridge arranged in the sleeve, and a driving source for driving the filter cartridge to rotate, wherein the rear end of the sleeve is provided with a water inlet pipe for feeding water into the filter cartridge, a liquid pool is formed at the bottom of the sleeve, and an overflow hole is provided on one side of the sleeve for allowing the liquid in the liquid pool to flow out, a spiral blade is fixedly connected to the inner wall of the filter cartridge, the bottom of the filter cartridge is immersed in the liquid pool, and the height of the liquid level does not exceed the height of the lowest point of the inner diameter of the spiral blade, and a slag discharge bucket is installed at the front end of the sleeve. When the filter cartridge rotates, by providing the liquid pool, the overflow hole, the spiral blade and the slag scooping assembly, centrifugal force is used to separate impurities when the filter cartridge rotates, and the filter hole is promptly flushed by the backflushing device, thereby effectively solving the clogging problem caused by light impurities adhering to the filter cartridge, and having the advantages of improving filtration efficiency and reducing maintenance frequency.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to an impurity filtering device.
Background
The water treatment modes include physical treatment and chemical treatment, and the water treatment modes of human beings have been quite a few years, the physical method comprises utilizing various filter materials with different pore sizes, removing impurities in water by utilizing an adsorption or separation mode, wherein the important one of the adsorption mode is to adsorb with activated carbon, the separation mode is to pass water through the filter material, so that impurities with larger volume cannot pass through the filter material, and clean water is obtained, and in addition, the physical method also comprises a precipitation method, namely, the impurities with smaller specific gravity float on the water surface to be fished out, or the impurities with larger specific gravity are precipitated under water, so that the water is obtained. The chemical method is to convert impurities in water into substances less harmful to human body by using various chemicals, or concentrate the impurities, and the longest chemical treatment method is to add alum into water, collect the impurities in water, enlarge the volume and remove the impurities by using a filtering method.
The Chinese patent document with the publication number of CN112426787B discloses a micro-filter for solid-liquid separation, the micro-filter comprises a base, a waterproof plate is fixedly arranged at the top of the middle part of the base, a water tank is arranged at the bottom of the waterproof plate, riding wheels are movably arranged at the tops of two ends of the base, a filter cylinder is fixedly arranged at the top of each riding wheel, rotating rings matched with the riding wheels are fixedly arranged at the two ends of each filter cylinder, a feeding pipe extending into the filter cylinder is arranged at the middle part of the back of each filter cylinder, a bull gear is fixedly arranged at the back of each filter cylinder, a motor is fixedly arranged at the top of the back of the base, a pinion meshed with the bull gear is fixedly connected to the output end of the motor, a blanking box is fixedly arranged at the front of each feeding pipe, a supporting shaft is fixedly connected to the front of each blanking box, a blanking rotating wheel is driven to rotate through a transmission gear, and a rotating shaft is arranged to rotate along with the blanking rotating wheel.
When current rotary drum filtration equipment is filtering light impurity, after sewage gets into the cartridge filter, sewage passes through the cartridge filter and discharges, impurity is left in the cartridge filter, make impurity carry to the other end under the effect of gravity and helical blade along with the rotation of cartridge filter, but because impurity breaks away from the back with liquid, impurity self quality is lighter, consequently leads to impurity adhesion on the cartridge filter easily, leads to impurity unable to be carried the other end, and then pile up in the cartridge filter, and lead to the filtration pore to block up easily, consequently, can lead to filtration inefficiency, and need frequent maintenance.
Disclosure of Invention
The invention provides an impurity filtering device, which aims to solve the problem that impurities per se are light in weight and easy to adhere to a filter cartridge in the related art.
The utility model provides an impurity filter equipment, includes the sleeve, sets up the cartridge filter in the sleeve and is used for driving the rotatory actuating source of cartridge filter, and telescopic rear end is provided with the inlet tube that is arranged in intaking to the cartridge filter, and telescopic bottom is formed with the pond, and sleeve one side is provided with the overflow hole that is used for making the interior liquid outflow of pond, cartridge filter inner wall fixedly connected with spiral leaf, the bottom of cartridge filter is immersed in the pond, and the height of liquid level no longer than spiral leaf internal diameter minimum department, slag bucket is installed to telescopic front end, is the sediment district between the front end of spiral leaf and the front end of cartridge filter, and the front end of cartridge filter is provided with drags the sediment subassembly, drags the sediment subassembly to drag for the impurity in the sediment district, then drops into in the sediment fill, installs recoil device in the sleeve, and recoil device includes a plurality of water outlet ends, and water outlet end evenly set up along sleeve length direction, and when the cartridge filter is rotatory, makes rivers spray on the position that just breaks away from the pond in the cartridge filter.
The filter cartridge has the advantages that the water inlet pipe is responsible for conveying sewage to the rear end part of the filter cartridge, then, the motor starts to drive the filter cartridge to rotate, water flows into the liquid pool through the holes in the wall of the filter cartridge and is finally discharged from the overflow holes in the process, meanwhile, impurities in the sewage are effectively blocked in the filter cartridge, along with continuous rotation of the filter cartridge, the spiral blades convey the impurities forwards until the impurities are conveyed to the slag collecting area, the slag collecting assembly plays a role of collecting the impurities in the liquid pool and throwing the impurities into the slag discharging hopper, the slag discharging hopper is responsible for discharging the impurities into the external environment, in the process of rotating the filter cartridge, the backflushing device is started, the backflushing device plays a role of flushing the impurities adhered to the filter cartridge, in order to ensure that the impurities cannot pass through the spiral blades, the balance state of adhesion of the impurities is broken, accumulation of the impurities on the inner wall of the filter cartridge is effectively prevented, active separation of the impurities is realized due to the arrangement of the slag collecting assembly, the synergistic effect of the key characteristics is improved, and the problems that light impurities are difficult to convey and the filtering holes are easy to block are effectively solved.
Preferably, drag for sediment subassembly includes a plurality of erection bars that are circumference array fixed mounting on cartridge filter inner wall, articulated have the filter plate on the erection bar, and articulated axis is parallel with cartridge filter axis, articulated axis is located the middle part of filter plate, the both ends of filter plate all are provided with and are rotationally symmetrical's arc baffle with articulated axis, install the locating component that is used for making the filter plate be in cartridge filter radial position between filter plate and the cartridge filter, the top of scum fill is installed and is used for making the filter plate of process rotatory 180 for the erection bar and stir the subassembly, the function of drag for sediment and sediment has been realized voluntarily, impurity filtration efficiency has been improved, the design of filter plate makes it keep suitable gesture in different positions, effectively drag for the impurity and empty it into the scum fill, the impurity accommodation volume of filter plate has been increased in the setting of arc baffle, the loss of impurity has been reduced, locating component ensures that the filter plate keeps the exact position in the filtration process, the accuracy of drag for sediment has been improved.
Preferably, the positioning assembly comprises a magnet fixedly arranged on the arc-shaped baffle plate, a magnetic conduction area is arranged on the inner wall of the filter cylinder and close to the position of the mounting rod, the filter plate can be stably kept at the radial position of the filter cylinder by using the magnetic force action between the magnet and the magnetic conduction area, the magnetic force can provide proper resistance to prevent the filter plate from overturning by itself, so that impurities can be effectively fished out, meanwhile, the magnetic force action can also prevent the filter plate from shaking or shifting in the working process, the stability and the reliability of slag fishing are improved, and in addition, the mechanical abrasion can be reduced and the service life of equipment is prolonged because the magnetic force action is non-contact.
Preferably, the stirring assembly comprises a stirring rod fixedly arranged at the front end of the sleeve, a spring rod is elastically hinged to the stirring rod, the stirring rod is positioned above the slag discharge hopper, when the filter plate is in contact with the stirring rod, the filter plate rotates, the spring rod simultaneously rotates anticlockwise to store elastic potential energy, after the spring rod passes through the middle part of the filter plate, the spring rod releases the elastic potential energy to push the filter plate to continue rotating, when the filter cylinder rotates, the filter plate moves along with the spring rod, when the filter plate contacts the stirring rod, the filter plate starts to rotate around the hinge axis of the filter plate, meanwhile, the spring rod is acted by the acting force of the filter plate, rotates anticlockwise and stores the elastic potential energy, and when the spring rod rotates to a position beyond the middle part of the filter plate, the spring rod releases the stored elastic potential energy to push the filter plate to continue rotating.
Preferably, the front end and the rear end of the arc-shaped baffle are connected with triangular plates, and impurities are prevented from sliding out from the front end and the rear end of the filter plate when the impurities are scraped.
Preferably, when the filter plate is located the below, the liquid level is located the top of filter plate and installation pole rotation axis, and the liquid level is located the below of arc baffle, and when the cartridge filter rotates, the position of below is rotated to the filter plate, and the height of liquid level is located the top of filter plate and installation pole rotation axis, ensures simultaneously that the liquid level is located the below of arc baffle all the time, can scrape the impurity of getting to float on the liquid level, prevents simultaneously that the impurity from spilling over arc baffle, ensures smooth and easy and the filter effect of filtration process.
Preferably, the inner bottom of the sleeve is provided with a mud scraping assembly.
Preferably, the mud scraping assembly comprises a scraper moving along the length direction of the sleeve, a motion assembly for controlling the scraper to move is installed in the sleeve, a sewage discharge valve is installed at the bottom of the front end of the sleeve, when the filter plate is at the lowest position, namely, is located below, the position of the liquid level is precisely controlled on the rotation axis of the filter plate and the installation rod, meanwhile, the liquid level is ensured to be located in the lower area of the arc baffle, the filter plate is connected with the installation rod through a hinge shaft, the axis of the hinge shaft is parallel to the axis of the filter cylinder, once the filter plate rotates to the position below in the process of rotating the filter cylinder, the height of the liquid level is maintained above the rotation axis of the filter plate and the installation rod, meanwhile, the liquid level is ensured to be always located below the arc baffle, the liquid level can be controlled in a specific area between the rotation axis of the filter plate and the lower edge of the arc baffle, the precise control on the liquid level can efficiently capture suspended impurities in water, meanwhile, the impurities are prevented from overflowing the arc baffle, and smooth and the filtering effect of the filtering process is ensured.
Preferably, the top and bottom ends of the slag discharging hopper are opened, the slag discharging hopper is wide in upper part and narrow in lower part, and the slag discharging hopper is fixedly arranged on the sleeve.
Preferably, the backflushing device comprises a water pump and a water distribution pipe, wherein the water inlet end of the water pump is communicated with the liquid pool through a water pipe I, the water outlet end of the water pump is communicated with the water distribution pipe, the water distribution pipe is arranged along the length direction of the sleeve and fixedly installed in the sleeve, one side of the water distribution pipe, which is close to the filter cartridge, is provided with a plurality of water outlet holes along the length direction of the water distribution pipe, liquid in the liquid pool can be pumped into the water distribution pipe in the operation process of the water pump, then the liquid passes through the plurality of water outlet holes on the water distribution pipe to form uniform water curtains to be sprayed onto the surface of the filter cartridge, when the filter cartridge starts to rotate, liquid films and impurities in the liquid films can be carried by centrifugal force on the parts just separated from the liquid pools, at the moment, the water flows sprayed out by the water distribution pipe can impact the parts, the impurities attached to the filter holes can be effectively stripped, and the impurities can be uniformly distributed along the length direction of the sleeve, and the water flow can cover the whole separation area of the filter cartridge, so that the problem of local blockage of the liquid pool is avoided, the circulating utilization of the backflushing liquid in the water pump is ensured, the liquid supply of the liquid pool of the water source is continuously, and sediment is continuously supplied to the water source through the water source, and sediment is effectively blocked by the sediment in the rotation of the filter cartridge, and sediment is effectively prevented by the sediment and the sediment is effectively and the sediment is prevented.
By adopting the technical scheme, the invention has the beneficial effects that:
1. The water inlet pipe is responsible for conveying sewage to the rear end part of the filter cartridge, then the motor starts to drive the filter cartridge to rotate, in the process, water flows into a liquid pool through a hole on the wall of the filter cartridge and is discharged through the overflow hole, meanwhile, impurities in the sewage are effectively blocked in the filter cartridge, as the filter cartridge continuously rotates, the spiral blades start to push the impurities forwards, the impurities are led to enter a slag collecting area, the filter cartridge rotates, the mounting rod drives the filter plate to rotate along the axis of the sleeve, at the moment, the positioning assembly starts to act, the filter plate is fixed at a specific radial position, the front end of the filter plate can be ensured to smoothly receive the impurities pushed by the spiral blades, as the filter cartridge continuously rotates, the filter plate can move to the position above the slag discharging hopper, when the deflector rod is contacted with the lower half part of the filter plate, the deflector rod can exert thrust, so that the filter plate overcomes attractive force between the magnet and the iron sheet, thereby realizing rotation, when the deflector rod passes through the hinge part of the filter plate, the elastic potential energy accumulated before the filter plate can be released, the filter plate is pushed to continue rotating, and after the filter plate rotates 180 degrees, the other magnet and the iron sheet can be mutually fixed at the position of the filter plate, and the slag discharging hopper can fall into the whole process due to the effect of the gravity;
2. After the filter plate breaks away from the stirring component, the arc-shaped baffle plate can effectively reset the filter plate to the initial position by utilizing the effect of magnetic attraction, so that the impurity collecting action can be continued in the following circulation, when the filter plate is immersed into sewage again, the sewage can recoil the filtering surface of the filter plate, so that the impurities can be effectively prevented from adhering to the filter plate, and meanwhile, when the filter plate enters the sewage, the top end of the filter plate is ensured to be always positioned above the liquid surface, so that the impurities can be prevented from crossing from the top and adhering to the filter plate, the liquid film and the impurities can be carried by the centrifugal action at the positions which are just separated from the liquid pool in the rotating process of the filter cylinder, and at the moment, the water flow sprayed by the water distribution pipe can impact the positions, so that the impurities adhered to the filter hole are effectively stripped. Because the water distribution pipe is arranged along the length direction of the sleeve, and the water outlet holes are uniformly distributed, the water flow can cover the whole separation area of the filter cartridge, so that the problem of local blockage is avoided, the liquid in the liquid pool is recycled through the water pump, the continuous supply of a backflushing water source is ensured, and the deposition of impurities in the liquid pool is reduced through the scouring action of the water flow.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a side view of the invention with the sleeve removed.
Fig. 4 is a schematic view of the structure of the filter cartridge of the present invention.
Fig. 5 is an enlarged schematic view of the structure at a in fig. 4.
Fig. 6 is a schematic view of the liquid level.
FIG. 7 is a side view of a recoil device.
FIG. 8 is a side view of the toggle assembly.
Fig. 9 is a side view of the mud scraping assembly.
Reference numerals:
1. Sleeve, 11, overflow hole, 12, blow-down valve, 2, driving source, 3, water inlet pipe, 4, filter cartridge, 41, spiral blade, 42, edge covering, 5, slag discharging hopper, 6, slag dragging component, 61, installation rod, 62, filter plate, 621, arc baffle, 63, positioning component, 631, magnet, 632, magnetic conduction area, 64, toggle component, 641, deflector rod, 642, spring rod, 7, recoil device, 71, water pump, 72, water distribution pipe, 8, mud scraping component, 81, scraper, 82, screw rod, 83, guide rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 9, an impurity filtering device comprises a sleeve 1, a driving source 2, a water inlet pipe 3, a filtering cylinder 4, a slag discharging hopper 5, a slag dragging component 6 and a backflushing device 7, wherein the sleeve 1 is installed on the ground through supporting legs, so that a liquid pool is formed at the bottom of the sleeve 1, one side of the sleeve 1 is provided with an overflow hole 11 for enabling liquid in the liquid pool to flow out, the filtering cylinder 4 is rotatably installed in the sleeve 1, the driving source 2 is installed on the sleeve 1 and is used for driving the filtering cylinder 4 to rotate around the axis of the filtering cylinder, the water inlet pipe 3 is arranged at the rear end of the sleeve 1, the water inlet pipe 3 extends into the filtering cylinder 4 so as to discharge sewage into the filtering cylinder 4, the slag dragging component 6 is installed at the front end of the filtering cylinder 4, the water inlet pipe 3 conveys the sewage to the rear end of the filtering cylinder 4, the driving source 2 drives the filtering cylinder 4 to rotate, the water flows into the liquid pool through the overflow hole 11 and is discharged from the overflow hole, the impurities are blocked in the filtering cylinder 4, the slag dragging component 6 is used for dragging impurities in the liquid pool, then the impurities are thrown into the slag discharging hopper 5, the impurities are discharged through the slag discharging hopper, when the impurities are rotated through the slag discharging hopper 4, and the impurities are adhered to the filtering cylinder 4 by the backflushing device is arranged at the filtering cylinder 7.
The filter cartridge 4 adopts the porous metal mesh structure, both ends all are provided with the bordure 42 that extends to its middle part around the filter cartridge 4, realize the solid-liquid separation function through the surface sieve mesh, the inner wall fixed mounting of filter cartridge 4 has spiral leaf 41, the front end of spiral leaf 41 and the front end of filter cartridge 4 form the collection sediment district that is used for installing drag for sediment subassembly 6, the outside of filter cartridge 4 is fixed to be provided with rather than coaxial collar, be provided with the tug group with collar looks adaptation in the sleeve 1, driving source 2 drive tug group is rotatory, thereby make filter cartridge 4 rotate and install in sleeve 1, sewage gets into filter cartridge 4 through inlet tube 3, light impurity floats or is suspended in sewage, then along with the rotation of filter cartridge 4, spiral leaf 41 forward promotes the impurity, thereby make the impurity move forward, because the rotation of filter cartridge 4 can make the impurity adhesion in the position of filter cartridge 4 just liquid level, consequently, device 7 makes the rivers spray on the position that just breaks away from in filter cartridge 4, with the impurity that adheres to filter cartridge 4 inner wall dash down, when the impurity is transported to collection sediment district, drag for sediment subassembly 6, drag for sediment pond, then put into impurity fill 5 in the impurity.
The slag dragging assembly 6 comprises a plurality of mounting rods 61, a plurality of filter plates 62, a positioning assembly 63 and a stirring assembly 64, wherein the mounting rods 61 are arranged in pairs, all the mounting rods 61 are fixedly arranged in a slag collecting area of the filter cartridge 4 in a circular array mode, a rotating shaft is arranged in the middle of the front side and the rear side of the filter plate 62, the slag dragging assembly is hinged to the two mounting rods 61 in the same group respectively, the hinged axes are parallel to the axis of the filter cartridge 4, two ends of the filter plate 62 are provided with arc baffles 621, the two arc baffles 621 are rotationally symmetrical through the hinged axes, the front end and the rear end of each arc baffle 621 are connected with triangular plates, when the arc baffles 621 are positioned closest to the inner wall of the filter cartridge 4, gaps exist between the arc baffles 621 and the inner wall of the filter cartridge 4, accordingly, the filter plate 62 cannot rotate due to contact between the arc baffles, the positioning assembly 63 is used for enabling the filter plate 62 to be positioned at the radial position of the filter cartridge 4, namely, the axis of the filter cartridge 4 is positioned in the plane where the filter plate 62 is, when the slag dragging assembly 6 rotates along with the filter cartridge 4, the top of the filter plate 62 exceeds the liquid level, impurities in the slag collecting area move together, accordingly, impurities in the slag dragging area move upwards, the filter plate 62 are prevented from sliding upwards, in the sewage upwards, the sewage is prevented from sliding upwards, and the arc baffles from sliding upwards to the filter plate 62, and falling down from the filter plate 62 to the filter plate 62, and the filter plate 180 is prevented from sliding upwards, and falling from the filter plate 180, and the impurities on the arc-shaped filter plate 62.
The positioning assembly 63 comprises two magnets 631, the two magnets 631 are respectively arranged on two arc baffles 621 at two ends of the filter plate 62, a magnetic conduction area 632 is arranged on the inner wall of the filter cartridge 4 between the two mounting rods 61 of the same group, iron sheets are arranged in the magnetic conduction area 632, when the magnets 631 are close to the iron sheets, attractive force is generated between the magnets 631 and the iron sheets, so that the filter plate 62 is positioned at the radial position of the filter cartridge 4, when the filter cartridge 4 rotates, the mounting rods 61 drive the filter plate 62 to move along the inner wall of the sleeve 1, at the moment, the positioning assembly 63 fixes the filter plate 62 at the radial position, so that the front end of the filter plate 62 bears impurities pushed by the spiral blades 41, as the filter cartridge 4 continuously rotates, the filter plate 62 moves to the position above the slag discharge hopper 5, at the moment, the stirring assembly 64 is contacted with the filter plate 62 to push the filter plate 62 to rotate around the hinge axis, after the filter plate 62 rotates to a certain angle, the impurities fall into the slag discharge hopper 5 due to the action of gravity, the arc baffles 621 are reset to the initial position through the magnetic attraction after the stirring assembly 64 in the filter plate 62 in the overturning process, the next cycle of collecting action is ensured, and when the filter plate 62 enters the sewage, the top end is always kept to be positioned at the top of the filter plate 62 from the top of the filter plate 62.
The toggle assembly 64 includes a toggle lever 641 and a spring lever 642, the toggle lever 641 is fixedly installed at the front end of the sleeve 1, the toggle lever 641 extends into the filter cartridge 4, the spring lever 642 is elastically hinged to the toggle lever 641 through a torsion spring, the maximum height that the axis of the filter plate 62 can reach is set to be h1, the height of the top end of the spring lever 642 in the initial state is h2, h2> h1, the height of the toggle lever 641 is smaller than h1, when the filter cartridge 4 rotates with the filter plate 62, the toggle lever 641 abuts against the lower half of the filter plate 62, thereby rotating the filter plate 62 against the attractive force between the magnet 631 and the iron sheet, and the filter plate 62 abuts against the spring lever 642 to rotate the spring lever 642, when the spring lever 642 passes over the hinge of the filter plate 62, the elastic potential energy is released, the filter plate 62 is pushed to continue to rotate, the other magnet 631 is attracted to the iron sheet again in the radial position of the filter plate 62 after rotating 180 °.
The top and bottom of the slag discharging hopper 5 are of an open structure, the slag discharging hopper 5 is integrally in an inverted trapezoid shell shape, the width of the top opening of the slag discharging hopper 5 is larger than that of the bottom opening, the slag discharging hopper 5 is fixedly connected to the front end of the sleeve 1 in a welding mode, the edge of the top opening of the slag discharging hopper 5 is aligned with the edge of the front end opening of the sleeve 1, the bottom opening extends to a waste collecting area outside the sleeve 1, the side wall of the slag discharging hopper 5 is gradually contracted from top to bottom to form a diversion channel, the inverted trapezoid shell structure guides impurities to slide to the bottom opening along the side wall, retention of the impurities in the slag discharging hopper 5 is reduced, the slag dragging assembly 6 can be ensured to directly throw the impurities into the slag discharging hopper 5 by the arrangement of the top opening aligned with the front end opening of the sleeve 1, the concentration of impurity discharging is improved by the shrinkage design of the bottom opening, the rigid connection structure of the slag discharging hopper 5 and the sleeve 1 avoids slag discharging path deviation caused by vibration in the running process of equipment, and stability of the impurity discharging process is improved.
As shown in fig. 1, 6 and 7, the backflushing device 7 comprises a water pump 71 and a water distribution pipe 72, wherein the water inlet end of the water pump 71 is communicated with the liquid pool through a water pipe I, the water outlet end is communicated with the water distribution pipe 72 extending along the length direction of the sleeve 1, the water distribution pipe 72 is fixedly arranged inside the sleeve 1, one side of the water distribution pipe 72, which is close to the filter cartridge 4, is uniformly provided with a plurality of water outlet holes along the length direction, when the water pump 71 is started, water in the liquid pool is pumped into the water distribution pipe 72, the water flows through the water outlet holes to form continuous jet flow, the water inlet end of the water pump 71 is communicated with the liquid pool through the water pipe I, the recycling of the liquid in the liquid pool can be realized, the waste of water resources is reduced, the water distribution pipe 72 is arranged along the length direction of the sleeve 1 and is fixed in the sleeve 1, the backflushing water flow is ensured to cover the whole length of the filter cartridge 4, one side of the water distribution pipe 72, which is close to the filter cartridge 4, is provided with a plurality of water outlet holes are uniformly distributed along the axial direction of the filter cartridge 4, the interval between the water outlet holes can be adjusted according to the rotating speed of the filter cartridge 4 and the adhesion degree of impurities, the water pump 71 pumps the liquid in the liquid pool to the water distribution pipe 72 when running, the liquid forms a uniform water curtain through a plurality of water outlet holes to spray the liquid to the surface of the filter cartridge 4, when the filter cartridge 4 rotates, the liquid film and impurities are carried by centrifugal effect at the position where the liquid film and impurities are just separated from the liquid pool, at the moment, the water flow sprayed by the water distribution pipe 72 impacts the position, the impurities adhered to the filter holes are stripped, the water distribution pipe 72 is arranged along the length direction of the sleeve 1 and the water outlet holes are uniformly distributed, the water flow can cover the whole separation area of the filter cartridge 4, the local blockage is avoided, the liquid in the liquid pool is recycled by the water pump 71, the continuous supply of a backflushing water source is ensured, the deposition of the impurities in the liquid pool is reduced by the water flow flushing, the process and the rotation synergism of the filter cartridge 4 effectively prevents the filter hole blockage and improves the filtering efficiency, in the backflushing process, water flow continuously impacts the barrel surface area of the filter cartridge 4, impurities are easy to remain in the barrel surface area of the liquid pool, the water flow impact force can destroy the adhesion state of the impurities and the surface of the filter cartridge 4 due to weakening of the liquid level tension, the impurities are caused to fall back to the liquid pool along with the water flow, the phenomenon that the pores of the filter cartridge 4 are blocked due to accumulation of the impurities is avoided, the online cleaning function is realized, the permeation efficiency of the filter cartridge 4 is effectively maintained, and the continuous operation period of equipment is prolonged.
As tiny impurities can be precipitated at the bottom of the sleeve 1, a trapezoidal deposition area is arranged at the bottom of the sleeve 1, and a mud scraping assembly 8 is arranged in the deposition area;
The mud scraping component 8 comprises a scraping plate 81 and a moving component, the scraping plate 81 can translate along the length direction of the sleeve 1, the moving component is used for driving the scraping plate 81 to move on the inner bottom surface of the sleeve 1, the sewage disposal valve 12 is arranged at the bottom of the front end of the sleeve 1 and corresponds to the tail end of a moving path of the scraping plate 81, the valve can adopt a manually or automatically controlled gate structure, when the scraping plate 81 moves along the length direction of the sleeve 1 under the driving of the moving component, the edge of the scraping plate contacts with the inner bottom surface of the sleeve 1 to push impurities deposited on the bottom to the direction of the sewage disposal valve 12, when the scraping plate 81 moves to the position of the sewage disposal valve 12, the valve is opened, the sediments are discharged along with liquid, for example, when the scraping plate 81 is in one-way movement or one-way movement, the moving component is used for controlling the scraping plate 81 to reset to the initial position, and meanwhile, the sewage disposal valve 12 is opened when the scraping plate 81 reaches the end point, and is closed after the dredging is completed, therefore the sediments are periodically cleared, and the phenomenon that the sediments in a liquid pool are accumulated is avoided is influenced by overflow efficiency.
The mud scraping component 8 comprises a screw rod 82 extending along the length direction of the sleeve 1, a scraping plate 81 in threaded fit with the screw rod 82 is sleeved on the outer side of the screw rod 82, one end of the screw rod 82 is connected with an output shaft of a stepping motor through a coupler, the stepping motor is fixed on the outer wall of the rear end of the sleeve 1 through a bolt, a guide rod 83 parallel to the screw rod 82 is arranged in the sleeve 1, the guide rod 83 penetrates through the scraping plate 81 and is in sliding fit with the scraping plate 81, a conical drain pipe inclining downwards is welded at the bottom of the front end of the sleeve 1, a drain pipe tail end flange is connected with a drain valve 12, preferably a pneumatic butterfly valve is connected with an external control box through a wire, when the scraping plate 81 is driven by the stepping motor to move along the length direction of the sleeve 1, gaps between the bottom surface of the scraping plate 81 and the inner bottom surface of the sleeve 1 are controlled to be 2-3 mm, sludge deposited at the bottom of a liquid pool is pushed into the conical drain pipe by the scraping plate 81, the pneumatic butterfly valve is periodically opened under a control box instruction to discharge sludge, the deposited sludge in the bottom of the sleeve 1 can be effectively removed, the bottom of the filter cartridge 4 caused by long-term accumulation of sludge can be avoided, meanwhile, directional collection and emission of the sediment is realized through the cooperative action of the mechanical scraping and the drain valve 12, the drain valve is reduced, the manual cleaning frequency is further, the sediment is prevented from being continuously moved to the drain sediment under the control of the scraping component to the drain to the filter sediment is completely and the sediment is prevented from being completely influenced.
Working principle: the water inlet pipe 3 conveys sewage to the rear end of the filter cartridge 4, the motor drives the filter cartridge 4 to rotate, water flows into a liquid pool through a filtering hole of the filter cartridge 4 and is discharged from the overflow hole 11, impurities are blocked in the filter cartridge 4, along with the rotation of the filter cartridge 4, the spiral blade 41 pushes the impurities forwards, so that the impurities enter a slag collecting area, the filter cartridge 4 rotates, the mounting rod 61 drives the filter plate 62 to move along the inner wall of the sleeve 1, at the moment, the positioning assembly 63 fixes the filter plate 62 at a radial position, so that the front end of the filter plate 62 supports the impurities pushed by the spiral blade 41, along with the continuous rotation of the filter cartridge 4, the filter plate 62 moves to above the slag hopper 5, the deflector 641 abuts against the lower half of the filter plate 62, so that the filter plate 62 rotates against the attractive force between the magnet 631 and the iron piece, the filter plate 62 abuts against the spring rod 642, when the spring rod 642 passes over the hinge of the filter plate 62, the elastic potential energy is released by the elastic rod 642 to push the filter plate 62 to continue rotating, so that the other magnet 631 and the iron sheet are attracted to each other after the filter plate 62 rotates 180 degrees, the filter plate 62 is positioned at the radial position of the filter cartridge 4 again, impurities fall into the slag discharge hopper 5 due to the gravity in the overturning process, slag discharge is completed, the arc-shaped baffle 621 resets to the initial position through the magnetic attraction after the filter plate 62 is separated from the stirring assembly 64, the next-cycle impurity collecting action is ensured to be consistent, after the filter plate 62 enters sewage again, the sewage backflushes the filtering surface of the filter plate 62, so that the impurities are prevented from adhering to the filter plate 62, the top end of the filter plate 62 is always positioned above the liquid level when the filter plate 62 enters the sewage, the impurities are prevented from passing over the filter plate 62 from the top, the liquid film and the impurities are carried by the centrifugal effect at the position of the liquid pool just separated from the liquid pool when the filter cartridge 4 rotates, at this time, the water flow sprayed by the water distribution pipe 72 impacts the part, and impurities adhered to the filtering holes are stripped, and as the water distribution pipe 72 is arranged along the length direction of the sleeve 1 and the water outlet holes are uniformly distributed, the water flow can cover the whole disengaging area of the filtering cylinder 4, so that local blockage is avoided, the liquid in the liquid pool is recycled by the water pump 71, the continuous supply of a backflushing water source is ensured, and the deposition of the impurities in the liquid pool is reduced by water flow flushing.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. The impurity filtering device comprises a sleeve, a filtering cylinder arranged in the sleeve and a driving source for driving the filtering cylinder to rotate, wherein the rear end of the sleeve is provided with a water inlet pipe for feeding water into the filtering cylinder, the impurity filtering device is characterized in that a liquid pool is formed at the bottom of the sleeve, one side of the sleeve is provided with an overflow hole for enabling liquid in the liquid pool to flow out, the inner wall of the filtering cylinder is fixedly connected with a spiral blade, the bottom of the filtering cylinder is immersed in the liquid pool, the height of the liquid level is not more than the height of the lowest position of the inner diameter of the spiral blade, the front end of the sleeve is provided with a slag discharge hopper, a slag collecting area is arranged between the front end of the spiral blade and the front end of the filter cylinder, the front end of the filter cylinder is provided with a slag dragging component, when the filter cylinder rotates, the slag dragging component drags out impurities in the slag collecting area and then is put into the slag discharge hopper, the back flushing device is arranged in the sleeve and comprises a plurality of water outlet ends which are uniformly arranged along the length direction of the sleeve, and when the filter cartridge rotates, the water outlet ends are used for discharging water, so that water flow is sprayed on the part of the filter cartridge which is just separated from the liquid pool;
the slag dragging assembly comprises a plurality of mounting rods which are fixedly mounted on the inner wall of the filter cylinder in a circumferential array, a filter plate is hinged to the mounting rods, the hinge axis is parallel to the axis of the filter cylinder, the hinge axis is positioned in the middle of the filter plate, arc-shaped baffles which are rotationally symmetrical with the hinge axis are arranged at two ends of the filter plate, a positioning assembly which is used for enabling the filter plate to be positioned at the radial position of the filter cylinder is mounted between the filter plate and the filter cylinder, and a stirring assembly which is used for enabling the passing filter plate to rotate 180 degrees relative to the mounting rods is mounted above the slag discharging hopper;
the positioning component comprises a magnet fixedly arranged on the arc-shaped baffle plate, and a magnetic conduction area is arranged on the inner wall of the filter cylinder at a position close to the mounting rod;
the stirring assembly comprises a stirring rod fixedly arranged at the front end of the sleeve, a spring rod is elastically hinged to the stirring rod through a torsion spring, the stirring rod is positioned above the slag discharge hopper, when the filter plate is in contact with the stirring rod, the filter plate rotates, meanwhile, the spring rod rotates anticlockwise to store elastic potential energy, when the spring rod passes through the middle part of the filter plate, the spring rod releases the elastic potential energy to push the filter plate to rotate continuously, and the stirring rod extends into the filter cylinder and is positioned at the upper part of the filter cylinder.
2. The impurity filtering device according to claim 1, wherein the front and rear ends of the arc-shaped baffle are connected with triangular plates.
3. The impurity filtering device according to claim 1, wherein when the filter plate is located below, the liquid surface is located above the axis of rotation of the filter plate and the mounting rod, and the liquid surface is located below the arc-shaped baffle.
4. The impurity filtering device according to claim 1, wherein an inner bottom of the sleeve is provided with a mud scraping assembly.
5. The impurity filtering device according to claim 4, wherein the sludge scraping component comprises a scraping plate moving along the length direction of the sleeve, a moving component for controlling the scraping plate to move is installed in the sleeve, and a drain valve is installed at the bottom of the front end of the sleeve.
6. The impurity filtering device according to claim 1, wherein the top and bottom ends of the slag discharging hopper are opened, and the slag discharging hopper is wide at the top and narrow at the bottom and is fixedly installed on the sleeve.
7. The impurity filtering device according to claim 1, wherein the backflushing device comprises a water pump and a water distribution pipe, a water inlet end of the water pump is communicated with the liquid pool through a first water pipe, a water outlet end of the water pump is communicated with the water distribution pipe, the water distribution pipe is arranged along the length direction of the sleeve and fixedly installed in the sleeve, and a plurality of water outlet holes are formed in the length direction of one side, close to the filter cylinder, of the water distribution pipe.
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| CN115006911A (en) * | 2022-07-13 | 2022-09-06 | 莒县中医医院 | Traditional Chinese medicine preparation waste residue filtering device capable of collecting medicine residues and filtering method |
| CN218046729U (en) * | 2022-08-11 | 2022-12-16 | 格根宝乐尔 | A sewage treatment and purification device |
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| JP3759095B2 (en) * | 2002-10-10 | 2006-03-22 | 株式会社ハナワ工機製作所 | Recycling equipment for cleaning waste liquid containing highly viscous waste |
| KR102209981B1 (en) * | 2018-09-12 | 2021-02-01 | (주)유원산업 | Drum screen contaminant processing equipment |
| CN112715467A (en) * | 2020-12-28 | 2021-04-30 | 陈丽清 | Aquaculture is with surface of water debris fishing equipment |
| CN220845585U (en) * | 2023-09-28 | 2024-04-26 | 环德(福建)环保科技有限公司 | Impurity filtering separator for full quantification treatment of landfill leachate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115006911A (en) * | 2022-07-13 | 2022-09-06 | 莒县中医医院 | Traditional Chinese medicine preparation waste residue filtering device capable of collecting medicine residues and filtering method |
| CN218046729U (en) * | 2022-08-11 | 2022-12-16 | 格根宝乐尔 | A sewage treatment and purification device |
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