CN220802423U - Pulse type efficient filter cylinder dust removal device for sludge drying equipment - Google Patents
Pulse type efficient filter cylinder dust removal device for sludge drying equipment Download PDFInfo
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- CN220802423U CN220802423U CN202321601420.6U CN202321601420U CN220802423U CN 220802423 U CN220802423 U CN 220802423U CN 202321601420 U CN202321601420 U CN 202321601420U CN 220802423 U CN220802423 U CN 220802423U
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- belt dryer
- pulse
- dust
- filter cylinder
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 92
- 239000010802 sludge Substances 0.000 title claims abstract description 40
- 238000001035 drying Methods 0.000 title claims abstract description 22
- 238000007791 dehumidification Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a pulse type efficient filter cartridge dust removal device for sludge drying equipment, which comprises a belt dryer, a pulse dust removal module and a dehumidification heat pump module; the dehumidification heat pump module is arranged on one side of the belt dryer, and the belt dryer and the dehumidification heat pump module are tightly attached together; the belt dryer and the dehumidification heat pump module are matched to generate hot dry air to dry wet sludge; the pulse dust removal module comprises a filter cylinder installed in the belt dryer and a pulse dust remover installed on the belt dryer, wherein the filter cylinder is used for removing dust generated in the drying process of the wet sludge, and the pulse dust remover is used for automatically cleaning the dust on the filter cylinder, and the filter cylinder is positioned at the top of the dryer. The utility model can remove dust generated in the wet sludge drying process and automatically clean the dust on the filter cylinder.
Description
Technical Field
The utility model belongs to the technical field of pulse dust removal devices, and particularly relates to a pulse type efficient filter cylinder dust removal device for sludge drying equipment.
Background
The dust removing device of the sludge drying equipment is a concept proposed in the field of sludge drying in recent years. In the drying process of the sludge, the sludge is cut into strips and conveyed; in the process of moving the sludge, vibration and crushing exist, and a large amount of dust can be generated along with the reduction of the water content of the sludge, so that the following harm can be generated:
1. Dust with explosion characteristics is easy to cause dust cloud and dust layer formation, and dust explosion risks are caused;
2. The dust is adhered to the surfaces of equipment and pipelines to cause chemical corrosion;
3. dust blocks the heat exchanger, so that the energy efficiency is reduced;
The existing dust treatment scheme is that a plate filter is installed at an air inlet of a heat exchanger, but due to the fact that the dust concentration of a drying chamber is high, the plate filter is frequently cleaned, an existing filter screen is required to manually clean dust, cleaning is frequent, filter loss is high, manual maintenance labor intensity is high, and operation is inconvenient.
Disclosure of utility model
In view of the above, the utility model provides a pulse type efficient filter cartridge dust removal device for sludge drying equipment, which can remove dust generated in a wet sludge drying process and automatically clean dust on a filter cartridge.
The utility model is realized by the following technical scheme:
A pulse type efficient filter cylinder dust removal device for sludge drying equipment comprises a belt dryer, a pulse dust removal module and a dehumidification heat pump module;
The dehumidification heat pump module is arranged on one side of the belt dryer, and the belt dryer and the dehumidification heat pump module are tightly attached together; the belt dryer and the dehumidification heat pump module are matched to generate hot dry air to dry wet sludge;
The pulse dust removal module comprises a filter cylinder installed in the belt dryer and a pulse dust remover installed on the belt dryer, wherein the filter cylinder is used for removing dust generated in the drying process of the wet sludge, and the pulse dust remover is used for automatically cleaning the dust on the filter cylinder, and the filter cylinder is positioned at the top of the dryer.
Further, more than two layers of net belt conveyors which are sequentially arranged from top to bottom are arranged in the belt dryer; the middle part of the side wall of one side of the belt dryer is provided with a middle air inlet, and the bottom is provided with a bottom air inlet; the bottom air inlets are positioned below all the mesh belt conveyors; the top surface of the belt dryer is provided with a top air return opening.
Further, the pulse dust removal module further comprises: the pulse valve comprises a mounting plate, a pipeline and a pulse valve;
The installation plate is horizontally arranged in the belt dryer and is positioned above the uppermost mesh belt conveyor, the installation plate divides the inner cavity of the belt dryer into an upper cavity and a lower cavity, the upper cavity and the lower cavity are respectively, the top air return port is communicated with the upper cavity, and the middle air inlet and the bottom air inlet are both communicated with the lower cavity;
More than two filter cartridges are arranged on the mounting plate, and the filter cartridges are positioned in the lower cavity; the axes of the filter cylinders are all arranged along the vertical direction; the bottom of the filter cartridge is closed, the top of the filter cartridge is open, and a vent hole communicated with the inner cavity of the filter cartridge is formed in the mounting plate, so that gas in the lower cavity can only enter the upper cavity through the inner cavity of the filter cartridge and the vent hole on the mounting plate and is discharged through the top return air inlet;
The pulse dust collector is arranged at the top of the belt dryer, one end of the pipeline is connected with the pulse dust collector, the other end of the pipeline is provided with branch pipelines which are opposite to and communicated with the inner cavities of more than two filter cylinders one by one, and the pulse valve is arranged on the pipeline and used for controlling the on-off of the pipeline; when the pipeline is in a passage state, compressed air generated by the pulse dust collector is instantaneously sprayed to the filter cylinder, and dust attached to the surface of the filter cylinder is shaken off, so that automatic ash removal is realized.
Further, the both sides of mounting panel are equipped with the slide rail, and slide rail and the slider sliding fit who is equipped with in the belt dryer, and the mounting panel that has the filter cartridge accessible slide rail is followed the horizontal direction and is taken out in the belt dryer.
Further, the top air return port is communicated with the dehumidification heat pump module through a pipeline.
The beneficial effects are that:
(1) The pulse dust removal module comprises the filter cylinder installed in the belt dryer and the pulse dust remover installed on the belt dryer, wherein the filter cylinder can remove dust generated in a wet sludge drying process, the pulse dust remover can automatically remove the dust on the filter cylinder without manually removing the dust, and the automatic dust removal device achieves the purposes of low labor intensity and convenient operation.
(2) The mounting plate provided with the filter cartridge is positioned above the uppermost mesh belt conveyor and below the top air return opening, dust on the filter cartridge is cleaned regularly by a pulse dust removal principle, and dust explosion risks are avoided due to the formation of dust layers and dust clouds; the equipment realizes an automatic process without human intervention, realizes an automatic dust removal process, and reduces the labor intensity of operators.
(3) The two sides of the mounting plate are provided with the sliding rails which are in sliding fit with the sliding blocks arranged in the belt dryer, and the mounting plate with the filter cylinders can be pulled out of the belt dryer along the horizontal direction through the sliding rails, so that more than two filter cylinders can be conveniently pulled out and replaced.
Drawings
FIG. 1 is a structural diagram of the present utility model;
FIG. 2 is an enlarged view of a portion of a filter cartridge;
The device comprises a 1-belt dryer, a 2-pulse dust removal module, a 3-dehumidification heat pump module, a 1-1 mesh belt conveyor, a 2-1 sliding rail, a 2-1-1 filter cartridge, a 2-1-2 pipeline, a 2-2 pulse valve, a 3-1 circulating fan I, a 3-2 circulating fan II, a 3-3 middle air inlet, a 3-4 top air return inlet and a 3-6 bottom air inlet.
Detailed Description
The utility model will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment provides a pulse type efficient filter cartridge dust removal device for sludge drying equipment, which is shown in the accompanying drawings 1-2, and comprises a belt dryer 1, a pulse dust removal module 2 and a dehumidification heat pump module 3;
The dehumidification heat pump module 3 is arranged on one side of the belt dryer 1, and the belt dryer 1 and the dehumidification heat pump module 3 are tightly attached together; the belt dryer 1 and the dehumidification heat pump module 3 are matched to generate hot dry air to dry wet sludge;
The pulse dust removal module 2 is arranged on the belt dryer 1 and is used for removing dust generated in the drying process of the wet sludge and automatically cleaning the dust on the filter cylinder.
Wherein, more than two layers of net belt conveyors 1-1 are arranged in the belt dryer 1 in sequence from top to bottom, and the net belt conveyors 1-1 are used for conveying sludge; the middle part of the side wall of one side of the belt dryer 1 (the side is provided with a dehumidifying heat pump module 3) is provided with a middle air inlet 3-3, and the bottom is provided with a bottom air inlet 3-6; the bottom air inlets 3-6 are positioned below all the mesh belt conveyors 1-1; the top surface of the belt dryer 1 is provided with a top air return port 3-4, and the top air return port 3-4 is communicated with the dehumidification heat pump module 3 through a pipeline;
The dehumidifying heat pump module 3 is internally provided with a first circulating fan 3-1, a second circulating fan 3-2, a condenser, an evaporator, a heat regenerator and a water collecting device; the inlet end of the condenser is communicated with the outside atmosphere, and the outlet end of the condenser is respectively communicated with the air inlets of the first circulating fan 3-1 and the second circulating fan 3-2; the condenser is used for heating cold and dry air with relative humidity of 10-15% to 65-75 ℃, and discharging the cold and dry air through a first circulating fan 3-1 and a second circulating fan 3-2, wherein an air outlet of the first circulating fan 3-1 is opposite to and communicated with a middle air inlet 3-3 of the belt dryer 1, and an air outlet of the second circulating fan 3-2 is opposite to and communicated with a bottom air inlet 3-6 of the belt dryer 1; the inlet end of the evaporator is communicated with the top air return port 3-4 of the belt dryer 1 through a pipeline, and the outlet end of the evaporator is connected with the water receiving and collecting device; the evaporator is used for liquefying saturated vapor into condensed water, collecting the condensed water through the water receiving and collecting device and discharging the condensed water into a sewer pipe network; the regenerator is used for absorbing heat of the condensed dry air.
The pulse dust removal module 2 comprises a pulse dust collector, a filter cylinder 2-1-1, a mounting plate, a sliding rail 2-1, a pipeline 2-1-2 and a pulse valve 2-2;
The installation plate is horizontally arranged in the belt dryer 1 and is positioned above the uppermost mesh belt conveyor 1-1, the installation plate divides the inner cavity of the belt dryer 1 into an upper cavity and a lower cavity, the upper cavity and the lower cavity are respectively, the top air return port 3-4 is communicated with the upper cavity, and the middle air inlet 3-3 and the bottom air inlet 3-6 are both communicated with the lower cavity;
More than two filter cartridges 2-1-1 are arranged on the mounting plate, and the filter cartridges 2-1-1 are positioned in the lower cavity; the axes of the filter cartridges 2-1-1 are all arranged along the vertical direction; the bottom of the filter cylinder 2-1-1 is closed, the top of the filter cylinder is open, and vent holes communicated with the inner cavity of the filter cylinder 2-1-1 are formed in the mounting plate, so that gas in the lower cavity can only enter the upper cavity through the inner cavity of the filter cylinder 2-1-1 and the vent holes in the mounting plate and is discharged through the top air return port 3-4;
The two sides of the mounting plate are provided with sliding rails 2-1, the sliding rails 2-1 are in sliding fit with sliding blocks arranged in the belt dryer 1, and the mounting plate with the filter cartridges 2-1 can be pulled out of the belt dryer 1 along the horizontal direction through the sliding rails 2-1 so as to facilitate the pulling out and the replacement of more than two filter cartridges 2-1-1;
The pulse dust collector is arranged at the top of the belt dryer 1, one end of the pipeline 2-1-2 is connected with the pulse dust collector, the other end of the pipeline 2-1-2 is provided with branch pipelines which are opposite to and communicated with the inner cavities of more than two filter cylinders 2-1-1 one by one, and the pulse valve 2-2 is arranged on the pipeline 2-1-2 and used for controlling the on-off of the pipeline 2-1-2; when the pipeline 2-1-2 is in a passage state, compressed air generated by the pulse dust collector is instantaneously sprayed to the filter cylinder 2-1-1, dust attached to the surface of the filter cylinder 2-1 is shaken off and falls on dried sludge below the filter cylinder 2-1-1, and the dust is carried out by the sludge, so that the aim of automatically removing the mixed dust in the air in the belt dryer 1 is fulfilled, and the dust in the belt dryer 1 is prevented from entering the dehumidification heat pump module 3.
The working flow of the pulse type efficient filter cartridge dust removal device is specifically as follows:
The sludge with the water content of 80% is conveyed into a belt dryer 1 by using a screw after being subjected to spiral stirring and impurity removal, the sludge is uniformly distributed, the thickness of the cloth is 30-60mm, the cloth is sequentially conveyed onto a mesh belt conveyor 1-1 of the belt dryer 1, and the sludge is dried in a gradient way from top to bottom by Z-shaped conveying;
The condenser in the dehumidifying heat pump module 3 heats the cool dry air with relative humidity of 10-15% to 65-75 ℃, then the cool dry air is sent into the middle and bottom of the inner cavity of the belt dryer 1 from the middle air inlet 3-3 and the bottom air inlet 3-6 of the belt dryer 1 by positive pressure 1300pa through the first circulating fan 3-1 and the second circulating fan 3-2, and passes through ventilation meshes on a plurality of net belt conveyors arranged in a Z shape, uniformly passing through each wet sludge cloth layer with the thickness of 30-60mm, wherein the wind speed is 1.5-3m/s, and because of the relative humidity gradient between the surface water film of the sludge particles and the interface of surrounding air, steam partial pressure is generated, the hot air at 65-75 ℃ brings out diffusion steam on the surface of the wet sludge, the wet sludge steam is continuously brought out, and finally, the water steam is brought out from the top air return port 3-4 positioned on the top surface of the belt dryer 1 and is discharged into the dehumidification heat pump module 3; wherein, the air with water vapor flows through the multi-layer mesh belt, the wind speed is reduced to 0.5-1m/s, the temperature of the water vapor is reduced from 65-75 ℃ to 35-45 ℃ layer by layer, the relative humidity is accumulated to 92-98% and approaches saturation, and meanwhile, a large amount of odor such as water vapor, dust, hydrogen sulfide, ammonia, acid-base salt and the like is carried away;
When a large amount of dust-laden air passes through the filter cylinder 2-1-1, the dust is blocked on the outer side surface of the filter cylinder 2-1, and the pulse dust collector needs to clean the dust on the outer side surface of the filter cylinder 2-1 at regular intervals, and the cleaning process is as follows: when the filter cylinder 2-1-1 reaches the ash removal condition, the pulse valve 2-2 of the pulse dust removal module 2 is opened, compressed air with the pressure of more than 0.4MPa is instantaneously sprayed to the filter cylinder 2-1-1, and dust attached to the outer side surface of the filter cylinder 2-1-1 is shaken off, so that the ash removal purpose is achieved;
The clean air of saturated vapor after dust removal enters an evaporator of the dehumidification heat pump module 3 through a top air return port 3-4, is cooled and decelerated on the surface of the evaporator, and is condensed into condensed water when meeting condensation, and is collected in a water receiving and collecting device in the dehumidification heat pump module 3 and discharged into a sewer pipe network; the condensed dry air enters a regenerator in the dehumidification heat pump module 3 to absorb heat, and the surface of the condenser entering the dehumidification heat pump module 3 is secondarily heated to 65-75 ℃; under the negative pressure suction effect of circulating fans 3-1 and 3-2, the water vapor is fed into the middle part and the bottom part of the belt dryer 1 through an air inlet 3-3 in the middle part and an air inlet 3-6 in the bottom part of the belt dryer 1, the air is uniformly and positively pressed upwards to be distributed at 1300pa, flows through a mesh plate and a sludge layer of a mesh belt conveyor, continuously flows through the upper layer of mesh belt to bring out water vapor on the surface of sludge particles, and the relative humidity of the water vapor brought by the air flowing through between the two middle layer of mesh belt conveyors is 92-98% close to saturation, the air speed is 1m/s, and the temperature is 35-45 ℃; through the pulse dust collector module 2, enters the dehumidification heat pump module 3, and thus circulates reciprocally.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The pulse type efficient filter cartridge dust removal device for the sludge drying equipment is characterized by comprising a belt dryer, a pulse dust removal module and a dehumidification heat pump module;
The dehumidification heat pump module is arranged on one side of the belt dryer, and the belt dryer and the dehumidification heat pump module are tightly attached together; the belt dryer and the dehumidification heat pump module are matched to generate hot dry air to dry wet sludge;
The pulse dust removal module comprises a filter cylinder installed in the belt dryer and a pulse dust remover installed on the belt dryer, wherein the filter cylinder is used for removing dust generated in the drying process of the wet sludge, and the pulse dust remover is used for automatically removing the dust on the filter cylinder, and the filter cylinder is positioned at the top of the dryer;
The pulse dust removal module further comprises a mounting plate;
The mounting plate is horizontally arranged in the belt dryer; more than two filter cartridges are arranged on the mounting plate;
the two sides of the mounting plate are provided with sliding rails which are in sliding fit with sliding blocks arranged in the belt dryer, and the mounting plate with the filter cartridge can be pulled out from the belt dryer along the horizontal direction through the sliding rails.
2. The pulse type efficient filter cartridge dust removal device for sludge drying equipment as claimed in claim 1, wherein more than two layers of mesh belt conveyors are sequentially arranged from top to bottom in the belt dryer; the middle part of the side wall of one side of the belt dryer is provided with a middle air inlet, and the bottom is provided with a bottom air inlet; the bottom air inlets are positioned below all the mesh belt conveyors; the top surface of the belt dryer is provided with a top air return opening.
3. The pulse type high efficiency filter cartridge dust removal device for a sludge drying apparatus as claimed in claim 2, wherein the pulse type dust removal module further comprises: a conduit and a pulse valve;
The mounting plate is positioned above the uppermost mesh belt conveyor, the mounting plate divides the inner cavity of the belt dryer into an upper cavity and a lower cavity, the upper cavity and the lower cavity are respectively, the top air return opening is communicated with the upper cavity, and the middle air inlet and the bottom air inlet are both communicated with the lower cavity;
The filter cartridge is positioned in the lower cavity; the axes of the filter cylinders are all arranged along the vertical direction; the bottom of the filter cartridge is closed, the top of the filter cartridge is open, and a vent hole communicated with the inner cavity of the filter cartridge is formed in the mounting plate, so that gas in the lower cavity can only enter the upper cavity through the inner cavity of the filter cartridge and the vent hole on the mounting plate and is discharged through the top return air inlet;
The pulse dust collector is arranged at the top of the belt dryer, one end of the pipeline is connected with the pulse dust collector, the other end of the pipeline is provided with branch pipelines which are opposite to and communicated with the inner cavities of more than two filter cylinders one by one, and the pulse valve is arranged on the pipeline and used for controlling the on-off of the pipeline; when the pipeline is in a passage state, compressed air generated by the pulse dust collector is instantaneously sprayed to the filter cylinder, and dust attached to the surface of the filter cylinder is shaken off, so that automatic ash removal is realized.
4. A pulse type high efficiency filter cartridge dust removal apparatus for a sludge drying apparatus as claimed in any one of claims 2 to 3, wherein said top return air inlet is in communication with a dehumidifying heat pump module via a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601420.6U CN220802423U (en) | 2023-06-20 | 2023-06-20 | Pulse type efficient filter cylinder dust removal device for sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601420.6U CN220802423U (en) | 2023-06-20 | 2023-06-20 | Pulse type efficient filter cylinder dust removal device for sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220802423U true CN220802423U (en) | 2024-04-19 |
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ID=90705422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321601420.6U Active CN220802423U (en) | 2023-06-20 | 2023-06-20 | Pulse type efficient filter cylinder dust removal device for sludge drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220802423U (en) |
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2023
- 2023-06-20 CN CN202321601420.6U patent/CN220802423U/en active Active
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