CN115040939B - Cloth bag dust removing device and using method - Google Patents
Cloth bag dust removing device and using method Download PDFInfo
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- CN115040939B CN115040939B CN202210675346.6A CN202210675346A CN115040939B CN 115040939 B CN115040939 B CN 115040939B CN 202210675346 A CN202210675346 A CN 202210675346A CN 115040939 B CN115040939 B CN 115040939B
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- 239000000428 dust Substances 0.000 title claims abstract description 146
- 239000004744 fabric Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 139
- 238000003860 storage Methods 0.000 claims abstract description 31
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 47
- 239000003546 flue gas Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a cloth bag dust removing device and a using method thereof, which relate to the technical field of environmental protection equipment, solve the problems of complex structure and inconvenient use of the existing cloth bag dust removing system, simplify the structure, reduce the occupied area and improve the arrangement flexibility of the device, and specifically adopt the following scheme: including from the top down connect gradually and coaxial exhaust funnel, net gas distribution box, inlet air distribution box and the ash storage storehouse that sets up, the outside of inlet air distribution box is fixed and is equipped with a plurality of dust removal clean rooms, dust removal clean room respectively with inlet air distribution box, net gas distribution box intercommunication for with the dust-laden gas purification of inlet air distribution box side by side to net gas distribution box in, net gas distribution box carries its inside gas to the exhaust funnel through dust removal fan, ash storage storehouse communicates with the bottom of dust removal clean room.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a cloth bag dust removing device and a using method thereof.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the production process of industries such as mines, nonferrous, ferrous metallurgy, electric power and the like, various dust-containing flue gases are often generated, the requirements of people on health are met for improving workshop environments, and meanwhile, the requirements of environmental protection standards are met, an environment dust removal system is required to be arranged, wherein the cloth bag dust removal system is the most widely used dust removal device for environment dust removal.
The inventor finds that the cloth bag dust removing system for environmental dust removal at present enters a cloth bag dust remover from a dust removing pipeline, then enters a fan, enters an exhaust funnel and is discharged, and the cloth bag dust removing system is generally arranged in a linear way; the bag-type dust collectors are generally arranged in a rectangular single row or a plurality of rows, dust collection chambers of each dust collector are arranged in a straight line, dust collection ash is conveyed outwards in a pneumatic ash conveying mode after passing through an ash bucket, or a scraper, a bucket elevator, an ash storage bin and an automobile are adopted for conveying outwards, the whole structure is complex, the equipment occupation area is large, the equipment types are various, and the arrangement is inflexible.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the cloth bag dust removing device and the use method thereof, wherein the ash storage bin, the air inlet distribution box, the air purifying distribution box and the exhaust barrel are coaxially arranged in the vertical direction, and the device is compact in structure by integrating all functional components, so that the occupied area of equipment is greatly reduced, the arrangement requirement of the device is reduced, and the problems of complex structure and inconvenient use of the conventional cloth bag dust removing system are solved.
In order to achieve the above object, the present invention is realized by the following technical scheme:
in a first aspect, the invention provides a bag-type dust removing device, which comprises an exhaust barrel, a clean air distribution box, an air inlet distribution box and an ash storage bin which are sequentially connected from top to bottom and are coaxially arranged, wherein a plurality of dust removing purifying chambers are fixedly arranged on the outer side of the air inlet distribution box and are respectively communicated with the air inlet distribution box and the clean air distribution box and are used for purifying and discharging dust-containing gas in the air inlet distribution box into the clean air distribution box, the clean air distribution box conveys gas in the air distribution box to the exhaust barrel through a dust removing fan, and the ash storage bin is communicated with the bottom of the dust removing purifying chambers.
As a further implementation mode, a plurality of distribution box outlet pipelines are arranged on the side wall of the air inlet distribution box at intervals along the circumferential direction of the side wall and are used for being communicated with the dust removal purifying chamber, at least one air inlet pipe is further arranged on the side wall of the air inlet distribution box, and the air inlet pipe is located below the distribution box outlet pipelines.
As a further implementation mode, the dust removal purifying chambers are uniformly arranged along the circumferential direction of the air inlet distribution box, the dust removal purifying chambers are communicated with the outlet pipelines of the distribution box adjacent to the dust removal purifying chambers, a plurality of cloth bags with keels are uniformly arranged in the dust removal purifying chambers, the cloth bags are positioned above the outlet pipelines of the distribution box, and the top of the cloth bags is provided with a blowing mechanism for cleaning dust in the cloth bags.
As a further implementation mode, a gas purifying chamber is fixedly arranged between the dust removing purifying chamber and the gas purifying distribution box, the number of the gas purifying chambers is the same as that of the dust removing purifying chambers, the dust removing purifying chambers are communicated with the gas purifying distribution box through the gas purifying chambers, and a lifting valve for controlling the gas inlet speed is arranged at the top of the gas purifying chambers.
As a further implementation mode, the cross section of the dust removal purifying chamber is trapezoid, the length of the upper bottom of the trapezoid cross section is larger than that of the lower bottom, and the lower bottom is close to the side wall of the air inlet distribution box.
As a further implementation mode, one side, close to the air inlet distribution box, of the bottom of the dust removal purification chamber is a vertical side wall, one side, far away from the air inlet distribution box, of the side wall inclines towards the direction close to the air inlet distribution box, and the bottom of the dust removal purification chamber is communicated with the ash storage bin through an ash conveying chute.
As a further implementation mode, the dust removing fan is respectively communicated with the air outlet of the clean air distribution box and the air inlet of the exhaust barrel through pipelines.
As a further implementation mode, the bottom of the ash storage bin is provided with an ash conveying pipe, and the ash conveying pipe is provided with a valve for controlling on-off.
In a second aspect, the invention provides a method for using a bag-type dust collector, which comprises the following steps:
dust-containing flue gas enters an air inlet distribution box through an air inlet pipe to be uniformly distributed with air flow, and enters a corresponding dust-removing purifying chamber through an outlet pipeline of the distribution box after the uniform air flow is finished;
the flue gas is purified in the dust removal purifying chamber, and the purified flue gas enters a clean gas chamber corresponding to the dust removal purifying chamber through a lifting valve and finally is collected in a clean gas distribution box;
the dust removing fan pumps out the flue gas in the clean gas distribution box and conveys the flue gas into the exhaust funnel for discharge.
As a further implementation manner, the cloth bag needs to be regularly sprayed by using a spraying mechanism so as to clean the cloth bag.
The beneficial effects of the invention are as follows:
(1) According to the invention, the ash storage bin, the air inlet distribution box, the air purifying distribution box and the exhaust barrel are coaxially arranged in the vertical direction, and the device is compact in structure by integrating all functional components, so that the occupied area of equipment is greatly reduced, the arrangement requirement of the device is reduced, and the arrangement flexibility of the device is improved.
(2) According to the invention, the air inlet distribution box is provided with the plurality of distribution box outlet pipelines along the circumferential direction at intervals, and the air inlet distribution box is correspondingly connected with the circumferential dedusting purification chambers of the air inlet distribution box through the distribution box outlet pipelines, so that the air in the air inlet distribution box uniformly flows into different dedusting purification chambers, and the gas dedusting efficiency is ensured.
The exhaust funnel, the ash storage bin, the air inlet distribution box and the air purifying distribution box are coaxially arranged, so that the occupied area of the device is reduced, the arrangement requirement of the bag-type dust removing device is reduced, and the discharge height of the whole bag-type dust removing device is ensured to meet the requirement.
(4) The bottom of the dust removing and purifying chamber is of an eccentric funnel-shaped structure, dust blown by the blowing mechanism falls to the bottom of the dust removing and purifying chamber and then slides into the dust storage bin under the action of gravity, auxiliary devices such as a dust discharging valve, a scraper, a bucket elevator, a pneumatic ash conveyor and the like are not needed, and the dust removing and purifying chamber is simple in structure and easy to assemble and maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic diagram of a front view of a bag-type dust collector in accordance with one or more embodiments of the present invention;
FIG. 2 is a schematic side view of a bag-type dust collector in accordance with one or more embodiments of the present invention;
FIG. 3 is a schematic view in section A-A of the structure shown in FIG. 1;
FIG. 4 is a schematic view in section B-B of the structure shown in FIG. 1;
FIG. 5 is a schematic view in section C-C of the structure shown in FIG. 1;
in the figure: the mutual spacing or size is exaggerated for showing the positions of all parts, and the schematic drawings are used only for illustration;
1, an air inlet pipe; 2. an air inlet distribution box; 3. a distributor box outlet conduit; 4. a dust removal purifying chamber; 5. a cloth bag; 6. a blowing mechanism; 7. a poppet valve; 8. a gas purifying chamber; 9. a clean gas inlet; 10. a net gas distribution box; 11. a clean gas outlet conduit; 12. a dust removal fan; 13. an exhaust duct; 14. an exhaust pipe; 15. an ash conveying chute; 16. an ash storage bin; 17. an ash conveying pipe.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced by the background technology, the existing bag-type dust removing system is complex in overall structure, large in equipment occupation area, various in equipment types, inflexible in arrangement and high in equipment failure rate.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1-5, a bag-type dust collector is provided, which includes an ash storage bin 16, an air intake distribution box 2, a clean air distribution box 10, an exhaust funnel 14, a dust removal purifying chamber 4, and a dust removal fan 12.
The ash storage bin 16 is positioned right below the air inlet distribution box 2 and is mainly used for recycling and storing dust; the clean gas distribution box 10 is positioned right above the air inlet distribution box 2 and plays a role in uniformly distributing air flow; the exhaust pipe 14 is located right above the clean gas distribution box 10 and is used for exhausting the gas after the clean dust removal.
The ash storage bin 16, the air inlet distribution box 2, the clean air distribution box 10 and the exhaust funnel 14 are vertically and coaxially arranged, and the diameters of the ash storage bin 16, the air inlet distribution box 2, the clean air distribution box 10 and the exhaust funnel 14 are the same, so that the device is compact in structure and the occupied area of equipment is greatly reduced by integrating all functional components.
It should be noted that the air inlet distribution box 2 is not communicated with the ash storage bin 16, the air inlet distribution box 2 is not communicated with the clean air distribution box 10, and the exhaust funnel 14 is not communicated with the clean air distribution box 10, so that dust in the ash storage bin 16 is prevented from being raised due to air flow, and unpurified and dedusted air is prevented from being discharged from the exhaust funnel 14.
The dust removal purifying chamber 4 is fixedly arranged on the side wall of a columnar structure formed by the air inlet distribution box 2, the air purifying distribution box 10, the exhaust funnel 14 and the ash storage bin 16, and the dust removal purifying chamber 4 is respectively communicated with the air inlet distribution box 2, the air purifying distribution box 10 and the ash storage bin 16 and is used for purifying and dedusting the air in the air inlet distribution box 2, collecting and discharging the purified and dedusted air and collecting and discharging dust.
As shown in fig. 5, the air inlet distribution box 2 is of a cylindrical structure, at least one air inlet pipe 1 is fixedly arranged on the side wall of the air inlet distribution box 2, and the air inlet pipe 1 is communicated with the inside of the air inlet distribution box 2 and is used for allowing air to flow into the air inlet distribution box 2; a plurality of distribution box outlet pipelines 3 are arranged on the side wall of the air inlet distribution box 2 along the circumferential interval thereof, and the inside of the air inlet distribution box 2 is communicated with the inside of the dust removal purifying chamber 4 through the distribution box outlet pipelines 3 and is used for uniformly conveying dust-containing gas into the dust removal purifying chamber 4 so as to ensure the gas dust removal efficiency.
Wherein, the distribution box outlet pipeline 3 is located above the air inlet pipe 1, the air inlet pipe 1 is close to the bottom of the recent distribution box 2, and the distribution box outlet pipeline 3 is close to the top of the recent distribution box 2, so that a flow path for uniformly distributing enough gas is left in the air inlet distribution box 2 to play a role in uniformly distributing the gas flow.
The dust removal purifying chambers 4 are provided with a plurality of, the dust removal purifying chambers 4 are uniformly distributed along the circumferential direction of the air inlet distribution box 2, and the dust removal purifying chambers 4 are communicated with the adjacent distribution box outlet pipelines 3, so that the air in the air inlet distribution box 2 uniformly flows into different dust removal purifying chambers 4, and the gas dust removal efficiency is ensured.
As shown in fig. 3, the cross section of the dust-removing purifying chamber 4 is trapezoidal, the length of the upper bottom of the trapezoidal cross section is larger than that of the lower bottom, and the lower bottom is close to the side wall of the columnar structure formed by the air inlet distribution box 2, the clean air distribution box 10, the exhaust funnel 14 and the ash storage bin 16.
The inside of the dust removal purifying chamber 4 is uniformly provided with a plurality of cloth bags 2, the cloth bags 2 are vertically and fixedly arranged in the dust removal purifying chamber 4 through keels, the cloth bags 2 are positioned above the distribution box outlet pipeline 3, and when the gas in the air inlet distribution box 2 flows into the dust removal purifying chamber 4, the gas enters the bottom of the cloth bags 2 for purification and dust removal.
The top of sack 5 is fixed to be equipped with jetting mechanism 6, and jetting mechanism 6 is equipped with a plurality of blowing pipes, and the one end and the top intercommunication of sack 5 of blowing pipe, and the other end and the high pressure air supply intercommunication of blowing pipe, high pressure air supply (nitrogen gas) accessible blowing pipe blow down the dust on the sack 5.
The bottom of the dust removal purifying chamber 4 is of an eccentric funnel-shaped structure, specifically, one side, close to the air inlet distribution box 2, of the bottom of the dust removal purifying chamber 4 is a vertical side wall, one side, far away from the air inlet distribution box 2, of the side wall inclines towards the direction, close to the air inlet distribution box 2, and the bottom of the dust removal purifying chamber 4 is communicated with the ash storage bin 16 through an ash conveying chute 15.
Because the bottom of the dust removal purifying chamber 4 is of an eccentric funnel-shaped structure, dust blown down by the blowing mechanism 6 falls to the bottom of the dust removal purifying chamber 4 and then slides into the dust storage bin 16 under the action of gravity, auxiliary devices such as a dust discharging valve, a scraper, a bucket elevator, a pneumatic ash conveyor and the like are not required, and the dust removal purifying chamber is simple in structure and easy to assemble and maintain.
It can be understood that the blowing mechanism 6 can be actively controlled in an artificial way, or can be automatically controlled to start or stop by a control system, and the specific control mode can be selected according to actual requirements, so that excessive limitation is not required.
As shown in fig. 4, the air purifying chamber 8 is fixedly arranged between the dust removing purifying chamber 4 and the air purifying distribution box 10, and is used for conveying the air purified in the dust removing purifying chamber 4 into the air purifying distribution box 10, and the air purifying chambers 8 are uniformly arranged along the circumferential direction of the air purifying distribution box 10.
The number of the air purifying chambers 8 is the same as that of the dust removing purifying chambers 4, the tops of the air purifying chambers 8 are flush with the tops of the dust removing purifying chambers 4, the tops of the air purifying chambers 8 are communicated with the tops of the dust removing purifying chambers 4 through covers, and gas in the dust removing purifying chambers 4 can enter the air purifying chambers 8 from the tops of the air purifying chambers 8 through the covers.
The top of the air purifying chamber 8 is provided with a lift valve 7, and the lift valve 7 can be used for controlling the on-off between the cover and the air purifying chamber 8 and the air inlet speed of the air purifying chamber 8.
The bottom of the air purifying chamber 8 is located above the outlet pipeline 3 of the distribution box, so that the length of the air purifying chamber 8 is longer than that of the cloth bag 5, and the air purifying chamber 8 is guaranteed to have enough space for containing purified and dedusted gas, and the exhaust efficiency is guaranteed.
The air purifying chamber 8 is communicated with the air purifying distribution box 10 through the air purifying inlets 9, the air purifying inlets 9 are arranged at intervals along the circumferential direction of the air purifying distribution box 10, the number of the air purifying inlets is the same as that of the air purifying chambers 8, so that the air in the air purifying chambers 8 on the periphery side of the air purifying distribution box 10 can synchronously and uniformly enter the air purifying distribution box 10, and the air volumes in different dust removing purifying chambers 4 are basically the same due to the arrangement of the air inlet distribution box 2, so that the air volumes and the purifying degrees of the air entering the air purifying distribution box 10 from the air purifying inlets 9 are the same, the control of the purifying degrees of the air is facilitated, and the purifying efficiency is ensured.
The gas outlet of the clean gas distribution box 10 is connected with a dust removal fan 12 through a clean gas outlet pipeline 11, the dust removal fan 12 is also connected with the gas inlet of an exhaust funnel 14 through an exhaust pipeline 13, the dust removal fan 12 can pump out the gas in the clean gas distribution box 10 and convey the gas into the exhaust funnel 14, and finally the purified gas is discharged into the atmosphere through the exhaust funnel 14.
The arrangement of the exhaust funnel 14 ensures that the discharge height of the whole cloth bag dust collector meets the requirement, and the coaxial arrangement reduces the occupied area of the device, reduces the arrangement requirement of the cloth bag dust collector, and improves the arrangement flexibility.
It will be appreciated that the length of the exhaust stack 14 is determined according to the height of the building adjacent to the actual bag house, so long as the exhaust height is 3-5 meters above the nearby building, and the specific length of the exhaust stack 14 is not limited.
The dust removal fan 12 provides power support for the discharge of gas, avoids the accumulation of gas in the clean gas distribution box 10 and the exhaust barrel 14, and ensures the exhaust efficiency.
The bottom of the ash storage bin 16 is provided with an ash conveying pipe 17, the ash conveying pipe 17 is provided with a valve, and dust in the ash storage bin 16 can be discharged and collected through the ash conveying pipe 17.
Example 2
In another exemplary embodiment of the present invention, a method for using a bag-type dust collector is provided, which specifically includes:
dust-containing flue gas enters an air inlet distribution box 2 through an air inlet pipe 1, air flows are uniformly distributed in the air inlet distribution box 2, and after the air flows are uniformly distributed, the air flows enter corresponding dust-removing purification chambers 4 through a plurality of distribution box outlet pipelines 3, so that the volumes of the air in the dust-removing purification chambers 4 are the same;
the cloth bag 5 in the dust-removing purifying chamber 4 purifies dust-containing flue gas, and the purified flue gas enters the corresponding clean gas chamber 8 of the dust-removing purifying chamber 4 through the lifting valve 7 and then enters the clean gas distribution box 10 through the clean gas inlet 9 for gas collection;
the collected gas enters the dust removing fan 12 through the clean gas outlet pipeline 11, and finally enters the exhaust funnel 14 through the exhaust pipeline 13 and is discharged to the atmosphere.
The bag 5 needs to be blown periodically by the blowing mechanism 6, the removed dust is directly discharged into the dust storage bin 16 through the dust conveying chute 15, and then the dust is discharged and transported to a designated place through the dust conveying pipe 17 for collection treatment.
It will be appreciated that the blowing cycle of the cloth bag 5 is determined according to the actual design requirements, and is not limited in any way.
It should be noted that, during the operation of the dust removing fan 12, the poppet valve 7 needs to be controlled to reduce the flow rate of the gas entering the dust removing purifying chamber 4 into the air purifying chamber 8 or to directly block the communication between the dust removing purifying chamber 4 and the air purifying chamber 8, so as to prevent the influence of the dust removing fan 12 on the purifying operation in the dust removing purifying chamber 4.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The cloth bag dust removing device is characterized by comprising an exhaust barrel, a clean gas distribution box, an air inlet distribution box and an ash storage bin which are sequentially connected from top to bottom and are coaxially arranged, wherein a plurality of dust removing and purifying chambers are fixedly arranged on the outer side of the air inlet distribution box and are respectively communicated with the air inlet distribution box and the clean gas distribution box and are used for purifying and discharging dust-containing gas in the air inlet distribution box into the clean gas distribution box, the clean gas distribution box conveys the gas in the air inlet distribution box to the exhaust barrel through a dust removing fan, and the ash storage bin is communicated with the bottom of the dust removing and purifying chamber;
the dust-removing purifying chamber is communicated with the clean gas distribution box through the clean gas chamber, and a lifting valve for controlling the air inlet speed is arranged at the top of the clean gas chamber;
the air inlet distribution box is not communicated with the ash storage bin, the air inlet distribution box is not communicated with the purified air distribution box, and the exhaust pipe is not communicated with the purified air distribution box;
the bottom of the dust removal purifying chamber is vertical to the side wall on one side close to the air inlet distribution box, the side wall on one side far away from the air inlet distribution box is inclined towards the direction close to the air inlet distribution box, and the bottom of the dust removal purifying chamber is communicated with the ash storage bin through an ash conveying chute.
2. The cloth bag dust removing device according to claim 1, wherein a plurality of distribution box outlet pipelines are arranged on the side wall of the air inlet distribution box at intervals along the circumferential direction of the side wall of the air inlet distribution box and are used for being communicated with the dust removing purification chamber, at least one air inlet pipe is further arranged on the side wall of the air inlet distribution box, and the air inlet pipe is positioned below the distribution box outlet pipelines.
3. The cloth bag dust removing device according to claim 2, wherein the dust removing and purifying chamber is uniformly arranged along the circumferential direction of the air inlet distribution box, the dust removing and purifying chamber is communicated with the outlet pipeline of the distribution box adjacent to the dust removing and purifying chamber, a plurality of cloth bags with keels are uniformly arranged in the dust removing and purifying chamber, the cloth bags are positioned above the outlet pipeline of the distribution box, and a blowing mechanism for cleaning cloth bag dust is arranged at the top of the cloth bags.
4. The cloth bag dust removing device according to claim 1, wherein the cross section of the dust removing purifying chamber is trapezoid, the length of the upper bottom of the trapezoid cross section is larger than that of the lower bottom, and the lower bottom is close to the side wall of the air inlet distribution box.
5. The cloth bag dust removing device according to claim 1, wherein the dust removing fan is respectively communicated with the air outlet of the clean air distribution box and the air inlet of the exhaust drum through pipelines.
6. The cloth bag dust removing device according to claim 1, wherein an ash conveying pipe is arranged at the bottom of the ash storage bin, and a valve for controlling on-off is arranged on the ash conveying pipe.
7. A method of using a bag-type dust collector as claimed in any one of claims 1 to 6, characterized in that it comprises the following steps:
the dust-containing gas enters an air inlet distribution box through an air inlet pipe to be uniformly distributed with air flow, and enters a corresponding dust-removing purifying chamber through an outlet pipeline of the distribution box after the uniform air flow is finished;
purifying the gas in a dust removal purifying chamber, enabling the purified gas to enter a clean gas chamber corresponding to the dust removal purifying chamber through a lifting valve, and finally collecting the purified gas into a clean gas distribution box;
the dust removing fan pumps out the gas in the clean gas distribution box and conveys the gas into the exhaust barrel for discharging.
8. The method of claim 7, wherein the bag requires periodic blowing by a blowing mechanism to clean the bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675346.6A CN115040939B (en) | 2022-06-15 | 2022-06-15 | Cloth bag dust removing device and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675346.6A CN115040939B (en) | 2022-06-15 | 2022-06-15 | Cloth bag dust removing device and using method |
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| Publication Number | Publication Date |
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| CN115040939A CN115040939A (en) | 2022-09-13 |
| CN115040939B true CN115040939B (en) | 2024-03-26 |
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| JPH1190142A (en) * | 1997-09-17 | 1999-04-06 | Kajihara Tekkosho:Kk | Bag filter |
| CN201244414Y (en) * | 2008-07-09 | 2009-05-27 | 无锡市东方工业环保有限公司 | Integration bag type dust-removing device |
| CN105126618A (en) * | 2015-09-15 | 2015-12-09 | 中冶焦耐工程技术有限公司 | Integrated treatment process and integrated treatment device for medium and low temperature flue gases |
| CN112426855A (en) * | 2020-10-20 | 2021-03-02 | 山东神华山大能源环境有限公司 | Circulating fluidized bed semi-dry desulfurization dust pelletizing system |
| CN214552425U (en) * | 2020-10-20 | 2021-11-02 | 国能(山东)能源环境有限公司 | Circulating fluidized bed semi-dry desulfurization dust pelletizing system |
-
2022
- 2022-06-15 CN CN202210675346.6A patent/CN115040939B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190142A (en) * | 1997-09-17 | 1999-04-06 | Kajihara Tekkosho:Kk | Bag filter |
| CN201244414Y (en) * | 2008-07-09 | 2009-05-27 | 无锡市东方工业环保有限公司 | Integration bag type dust-removing device |
| CN105126618A (en) * | 2015-09-15 | 2015-12-09 | 中冶焦耐工程技术有限公司 | Integrated treatment process and integrated treatment device for medium and low temperature flue gases |
| CN112426855A (en) * | 2020-10-20 | 2021-03-02 | 山东神华山大能源环境有限公司 | Circulating fluidized bed semi-dry desulfurization dust pelletizing system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115040939A (en) | 2022-09-13 |
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