CN114602249B - Ash removal system of bag type dust collector - Google Patents
Ash removal system of bag type dust collector Download PDFInfo
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- CN114602249B CN114602249B CN202210219310.7A CN202210219310A CN114602249B CN 114602249 B CN114602249 B CN 114602249B CN 202210219310 A CN202210219310 A CN 202210219310A CN 114602249 B CN114602249 B CN 114602249B
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- plate
- dust
- dust collector
- recovery cylinder
- recovery
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- 239000000428 dust Substances 0.000 title claims abstract description 110
- 238000011084 recovery Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret 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
- B01D46/02—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an ash removal system of a bag type dust collector, which relates to the technical field of bag type dust collectors and comprises a dust collector body, an injection pipe, a pattern plate, a dust collection filter bag, a filter bag frame, a clean air outlet and a dust air inlet which are arranged at the upper end and the lower end of the dust collector body, wherein a recovery cylinder is arranged at the bottom of the dust collector body; a plurality of anode bars are vertically fixed on the upper end surface of the lifting plate, a cathode annular frame is arranged at the top of the recovery cylinder, and a discharge plate is hinged to the side wall of the recovery cylinder. The dust collector can intensively recycle impurities without standing, and is convenient for operators to clean and sweep after dust is intensively isolated, thereby greatly improving the dust removal efficiency.
Description
Technical Field
The invention relates to the technical field of bag type dust collectors, in particular to an ash removal system of a bag type dust collector.
Background
The bag dust collector is a dry dust filter, which is suitable for collecting fine, dry and non-fibrous dust. The patent publication No. CN208406427U discloses a bag type dust collector with ash removing function, and belongs to the technical field of dust collectors. It has solved the poor problem of deashing effect among the prior art. This pocket type dust remover with deashing function, which comprises a frame, be fixed with the main tank body in the frame, air outlet and air intake have been seted up to main tank body lateral wall, main tank body below rotation is equipped with the ash bucket, main tank body lower extreme is provided with a plurality of scrapers, the blade of scraper is in the ash bucket and keeps certain clearance with the inner wall of ash bucket between, be equipped with in the frame and drive ash bucket pivoted slewing mechanism, slewing mechanism includes driving motor and bearing, the outer lane of bearing is fixed mutually with the upper end inner wall of ash bucket, the inner circle of bearing is fixed mutually with the lower extreme outer wall of main tank body, the ring channel has been seted up at the outer wall middle part of ash bucket, the motor is fixed in the frame, be fixed with the belt pulley on the output shaft of motor, be connected through the belt between belt pulley and the ring channel.
The bag type dust collector generates friction with the scraper through the rotation of the ash bucket in the ash cleaning process, so that ash cleaning is realized, but in the actual ash cleaning process, as the bag type dust collector needs to be kept still after back flushing, dust in the dust collector can fall on the ash bucket in the standing process, but the scraper can fly upwards when running, and finally, the dust cannot be effectively removed.
Disclosure of Invention
The invention is realized by the following technical scheme:
the ash cleaning system of the bag type dust collector comprises a dust collector body, an injection pipe, a pattern plate, a dust collection filter bag, a filter bag frame, a clean gas outlet and a dust gas inlet, wherein the injection pipe, the pattern plate, the dust collection filter bag, the filter bag frame, the clean gas outlet and the dust gas inlet are arranged at the upper end and the lower end of the dust collector body; the lifting plate upper end face is vertically fixed with a plurality of anode rods, the anode rods can sequentially penetrate through the isolation opening of the bearing plate and the feed opening of the separation plate and enter the dust remover body, the top of the recovery cylinder is provided with a cathode annular frame, and the side wall of the recovery cylinder is hinged with a discharge plate at the position between the separation plate and the bearing plate.
Further provided is that: the feed inlet department activity is provided with the apron, and the apron is the round platform form of falling, is fixed with a plurality of elastic ropes between the inner wall of the feed inlet that corresponds under the week side of apron and it.
Further provided is that: the inner wall department of feed inlet has offered the storage tank that is used for settling the elastic rope.
Further provided is that: the top end of the anode rod is fixed with a top table, and the lower end surface of the cover plate is provided with a groove which is in plug-in fit with the top table.
Further provided is that: the annular scraper is embedded at the isolation opening and made of resin material.
Further provided is that: the recovery cylinder is internally provided with a recovery space between the separation plate and the bearing plate, and the stripper plate is communicated with the recovery space and the space outside the dust remover body.
Further provided is that: the bottom of the recovery cylinder is fixedly provided with a driving cylinder, and a piston rod of the driving cylinder is fixedly connected with the bottom of the lifting plate.
Further provided is that: the anode bars are distributed on the lifting plate in a circumferential array and are in one-to-one correspondence with the cathodes of the cathode annular frame.
In summary, the beneficial technical effects of the invention are as follows:
(1) Through ionization of the anode rod and the cathode annular frame, dust with static electricity can be adsorbed on the surface of the anode rod, and the dust is finally brought into a recovery space through lifting of the anode rod, so that dust collection work is completed without worrying about scattering and flying of the dust in the dust remover body;
(2) Through the concentrated collection of impurity in retrieving the space, reduced the time of standing in the traditional mode, saved a large amount of time, also be convenient for operating personnel carry out the deashing work simultaneously for deashing efficiency is higher.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a partial enlarged view of the portion a in fig. 1.
Reference numerals: 1. a dust collector body; 2. a blowing pipe; 3. a flower plate; 4. dedusting filter bags; 5. a filter bag frame; 6. a dust gas inlet; 7. a clean gas outlet; 8. a recovery cylinder; 9. a partition plate; 10. a receiving plate; 11. a lifting plate; 12. a feed inlet; 13. an isolation port; 14. an anode rod; 15. a cathode ring frame; 16. a stripper plate; 17. a cover plate; 18. an elastic rope; 19. a storage groove; 20. a top platform; 21. a groove; 22. a scraper; 23. a driving cylinder; 24. and (5) recovering the space.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the ash removal system of the bag type dust collector disclosed by the invention comprises a dust collector body 1, wherein the dust collector body 1 is in a cylindrical structure, a flower plate 3 is fixed inside the dust collector body 1, the flower plate 3 divides the inside of the dust collector body 1 into an upper space and a lower space, a blowing pipe 2 is fixed in the upper space inside the dust collector body 1, the end part of the blowing pipe 2 is connected with an air bag and a pulse valve, a plurality of filter bag frames 5 are arranged in the lower space inside the dust collector body 1, a dust removing filter bag 4 is fixed outside each filter bag frame 5, the filter bag frames 5 are fixed with the flower plate 3 through venturi tubes, and the venturi tubes are communicated with the upper space and the inside of the dust removing filter bag 4. The top of the dust remover body 1 is provided with a clean gas outlet 7, the clean gas outlet 7 is communicated with an upper space inside the dust remover body 1, the bottom of the dust remover body 1 is provided with a dust gas inlet 6, and the dust gas inlet 6 is communicated with a lower space inside the dust remover body 1. When the bag type dust collector works, dust gas enters the dust collector body 1 from the dust gas inlet 6, enters an upper space after being filtered by the dust collecting filter bag 4, and is discharged from the clean gas outlet 7. When the bag type dust collector is cleaned, the jetting pipe 2 blows high-speed gas into the dust collection filter bag 4, and dust outside the dust collection filter bag 4 is peeled off the dust collection filter bag 4 and enters the dust collection body.
Referring to fig. 1 and 2, the bottom of the dust collector body 1 is in an opening structure, and the bottom of the dust collector body is detachably connected with a recovery cylinder 8, and the recovery cylinder 8 is connected with the bottom of the dust collector body 1 through threads. The top of the recovery cylinder 8 is fixed with a separation plate 9, the separation plate 9 is in direct contact with the lower space inside the dust remover body 1, a plurality of feed inlets 12 are formed in the separation plate 9, and all the feed inlets 12 are distributed in a circumferential array by taking the center of the separation plate 9 as the center of a circle. The inside of the recovery cylinder 8 is also fixed with a bearing plate 10, the bearing plate 10 is positioned under the partition plate 9 and is parallel to the partition plate 9, a plurality of isolation openings 13 are formed in the bearing plate 10, the number of the isolation openings 13 is consistent with that of the feeding openings 12, and the upper and lower adjacent isolation openings 13 and the feeding openings 12 are coaxially arranged. The space formed between the partition plate 9 and the receiving plate 10 in the recovery cylinder 8 is a recovery space 24.
The inside of the recovery cylinder 8 is also provided with a lifting plate 11 in a lifting manner, the lifting plate 11 is positioned under the bearing plate 10, a driving cylinder 23 is fixed at the bottom of the recovery cylinder 8, and a piston rod of the driving cylinder 23 is fixedly connected with the bottom of the lifting plate 11. A plurality of anode bars 14 are vertically fixed on the upper end surface of the lifting plate 11, and the number of the anode bars 14 is consistent with that of the isolating ports 13 and the positions of the anode bars are in one-to-one correspondence. The anode rod 14 may sequentially penetrate through the partition 13 of the receiving plate 10 and the feed port 12 of the partition plate 9 and into the inside of the dust collector body 1. The diameter of the feed inlet 12 is identical to the diameter of the isolation inlet 13, and the diameter of the anode rod 14 is smaller than the diameter of the feed inlet 12. The top of the recovery cylinder 8 is fixed with a cathode annular frame 15, the cathodes of the cathode annular frame 15 are distributed at equal intervals and the number of the cathodes is consistent with that of the anode rods 14, and the anode rods 14 are distributed on the lifting plate 11 in a circumferential array and are in one-to-one correspondence with the cathodes of the cathode annular frame 15. When the anode rod 14 passes through the partition plate 9 into the lower space, the dust is electrostatically charged by ionization of the cathode ring frame 15 and the anode rod 14, and adheres to the surface of the anode rod 14, thereby completing collection of the dust, and the anode rod 14 is introduced into the recovery space 24 with the dust.
Referring to fig. 2, a cover plate 17 is movably disposed at each of the feed inlets 12, the cover plate 17 has an inverted circular truncated cone shape, and the diameter of the cover plate 17 is consistent with the shape and size of the feed inlet 12. A plurality of elastic ropes 18 are fixed between the circumference side of the cover plate 17 and the inner wall of the feed inlet 12 corresponding to the position right below the cover plate, the elastic ropes 18 are wound on the circumference side of the cover plate 17 at equal intervals, a plurality of containing grooves 19 for containing the elastic ropes 18 are formed in the inner wall of the feed inlet 12, one end of each elastic rope 18 is fixed with the outer wall of the cover plate 17, and the other end of each elastic rope 18 is fixed with the bottom wall at the deepest part of the containing groove 19. When the anode rod 14 lifts the cover plate 17, the feed inlet 12 communicates with the lower space and the recovery space 24; when the cover plate 17 is free from external force, the cover plate 17 can shield the feed inlet 12 under the action of the elastic rope 18, so that the inside of the dust remover body 1 is ensured to be a sealed space, and the dust in the recovery space 24 is prevented from entering the lower space. The top of the anode rod 14 is fixed with a top platform 20, the top platform 20 is in a hexagonal prism structure, and a groove 21 which is in plug-in fit with the top platform 20 is formed in the lower end face of the cover plate 17. The anode rod 14 is more stable in jacking up the cover plate 17 through the cooperation of the jacking table 20 and the grooves 21. The annular scraper 22 is embedded at the isolation opening 13, the inner ring of the annular scraper 22 is attached to the outer surface of the anode rod 14, and the annular scraper 22 is made of resin material. During the step-down of the anode rod 14 until the top stage 20 is stopped after contacting with the annular scraper 22, the dust adsorbed on the surface of the anode rod is scraped off by the annular scraper 22 and remains in the recovery space 24, and the anode rod 14 is cleaned for the next operation.
Referring to fig. 1 and 2, a side wall of the recovery cylinder 8 is hinged to one side of a stripper plate 16 at a position between the partition plate 9 and the receiving plate 10, a door lock is fixed to the other side of the stripper plate 16, and the stripper plate 16 can be opened to communicate a recovery space 24 in the recovery cylinder 8 with a space outside the dust collector body 1. When the lifting plate 11 is lowered to the bottom, the worker opens the stripper plate 16, and the dust collected in the recovery space 24 can be intensively cleaned by the cleaning tool.
The working principle and the beneficial effects of the invention are as follows:
when the bag type dust collector works, the lifting plate 11 is positioned at the lowest end, the top platform 20 at the top end of the anode rod 14 is close to the annular scraper 22, the cover plate 17 is embedded into the feed inlet 12 of the partition plate 9, and at the moment, dust filtration can be effectively carried out in the dust collector body 1. When the bag type dust collector works, the lifting plate 11 lifts and drives the anode rod 14 to jack the cover plate 17 and then extend into the dust collector body 1, and under the ionization action of the cathode annular frame 15 and the anode rod 14, dust is charged with static electricity, and finally the dust charged with static electricity is adhered to the surface of the anode rod 14; after ionization is finished, the lifting plate 11 descends, the main body of the anode rod 14 enters the recovery space 24, after the cover plate 17 is closed, the anode rod 14 continues to descend until the lifting plate 11 reaches the lowest end, dust adhered to the periphery of the anode rod 14 is continuously scraped into the recovery space 24 by the annular scraper 22 in the descending process of the anode rod 14, and the outer surface of the anode rod 14 is cleaned so as to facilitate the next ash removal work; finally, the operator opens the stripper plate 16 and intensively cleans the dust in the recovery space 24 to complete the dust removal work.
The dust can be directly adsorbed on the surface of the anode rod 14, so that dust collection is completed, dust does not need to be worried about scattering and flying, and meanwhile, impurities are concentrated in the mode, so that the standing time in the traditional mode is reduced, a large amount of time is saved, and the dust removal work is more efficient. According to the invention, the dust in the dust remover body 1 is brought into the established recovery space 24, so that the dust is concentrated and isolated, the interior of the dust remover body 1 is cleaner, and meanwhile, the dust remover is convenient for an operator to clean and sweep. The operation staff does not influence the continuous operation of the bag filter in the ash cleaning process of the recovery space 24, and the ash cleaning frequency can be higher compared with that in the traditional mode.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (5)
1. The utility model provides a dust cleaning system of bag collector, includes dust remover body (1), locates inside jetting pipe (2), flower board (3), dust removal filter bag (4), filter bag frame (5) of dust remover body (1) and locates net gas outlet (7) and dust gas entry (6) at both ends about dust remover body (1), its characterized in that:
the dust remover comprises a dust remover body (1), wherein a recovery cylinder (8) is arranged at the bottom of the dust remover body (1), a separation plate (9), a bearing plate (10) and a lifting plate (11) are sequentially fixed in the recovery cylinder (8) from top to bottom, a plurality of feed inlets (12) are formed in the separation plate (9), and a plurality of isolation openings (13) are formed in the bearing plate (10);
a plurality of anode rods (14) are vertically fixed on the upper end surface of the lifting plate (11), the anode rods (14) can sequentially penetrate through the isolation opening (13) of the bearing plate (10) and the feed opening (12) of the partition plate (9) and enter the dust remover body (1), a cathode annular frame (15) is arranged at the top of the recovery cylinder (8), and a discharge plate (16) is hinged at the position between the partition plate (9) and the bearing plate (10) on the side wall of the recovery cylinder (8);
a cover plate (17) is movably arranged at the feed inlet (12), the cover plate (17) is in an inverted circular truncated cone shape, and a plurality of elastic ropes (18) are fixed between the periphery of the cover plate (17) and the inner wall of the feed inlet (12) corresponding to the right lower part of the cover plate;
an annular scraper (22) is embedded at the isolation opening (13), and the annular scraper (22) is made of resin material;
a recovery space (24) is formed inside the recovery cylinder (8) between the partition plate (9) and the receiving plate (10), and the discharge plate (16) is communicated with the recovery space (24) and the space outside the dust collector body (1).
2. The ash removal system of a bag house of claim 1, wherein: the inner wall of the feed inlet (12) is provided with a containing groove (19) for containing the elastic rope (18).
3. The ash removal system of a bag house of claim 1, wherein: the top end of the anode rod (14) is fixed with a top table (20), and the lower end surface of the cover plate (17) is provided with a groove (21) which is in plug-in fit with the top table (20).
4. The ash removal system of a bag house of claim 1, wherein: a driving air cylinder (23) is fixed at the bottom of the recovery cylinder (8), and a piston rod of the driving air cylinder (23) is fixedly connected with the bottom of the lifting plate (11).
5. The ash removal system of a bag house according to any of claims 1-4, characterized in that: the anode rods (14) are distributed on the lifting plate (11) in a circumferential array and are in one-to-one correspondence with the cathodes of the cathode annular frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210219310.7A CN114602249B (en) | 2022-03-08 | 2022-03-08 | Ash removal system of bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210219310.7A CN114602249B (en) | 2022-03-08 | 2022-03-08 | Ash removal system of bag type dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114602249A CN114602249A (en) | 2022-06-10 |
| CN114602249B true CN114602249B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210219310.7A Active CN114602249B (en) | 2022-03-08 | 2022-03-08 | Ash removal system of bag type dust collector |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007069056A (en) * | 2005-09-02 | 2007-03-22 | Mitsubishi Heavy Ind Ltd | Dust collector and dust discharging method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062338A (en) * | 1999-08-26 | 2001-03-13 | Mitsubishi Heavy Ind Ltd | Dust collector and cleaning method therefor |
| GB2467029B (en) * | 2007-05-01 | 2011-07-06 | Cameron Int Corp | Strainer assembly |
| CN102327724B (en) * | 2011-09-14 | 2013-01-02 | 福建龙净环保股份有限公司 | Electric-bag composite dust collector |
| CN205032004U (en) * | 2015-09-08 | 2016-02-17 | 浙江吉天环保科技有限公司 | Bag collector with electric precipitation |
| CN206415219U (en) * | 2016-11-30 | 2017-08-18 | 浙江万源环保机械科技有限公司 | Horizontal electrostatic cleaner |
| CN107008072A (en) * | 2017-05-11 | 2017-08-04 | 南通普瑞特机械有限公司 | A kind of coal-burning power plant's Special bag type dust collector |
| KR102064141B1 (en) * | 2017-10-11 | 2020-01-09 | (주)에어릭스 | Desulfurization dust collector and desulfurization control method |
| CN210729035U (en) * | 2019-07-11 | 2020-06-12 | 江苏紫科机械有限公司 | Novel high efficiency sack dust removal deashing device |
| CN214680632U (en) * | 2020-12-18 | 2021-11-12 | 大唐淮北发电厂 | Quick-dedusting bag-type dust remover blowing device |
| CN112973304A (en) * | 2021-03-31 | 2021-06-18 | 广西合山虎鹰建材有限公司 | Dust remover for cement production |
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2022
- 2022-03-08 CN CN202210219310.7A patent/CN114602249B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007069056A (en) * | 2005-09-02 | 2007-03-22 | Mitsubishi Heavy Ind Ltd | Dust collector and dust discharging method |
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| CN114602249A (en) | 2022-06-10 |
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