CN110639295A - Novel bag type dust collector - Google Patents
Novel bag type dust collector Download PDFInfo
- Publication number
- CN110639295A CN110639295A CN201910971146.3A CN201910971146A CN110639295A CN 110639295 A CN110639295 A CN 110639295A CN 201910971146 A CN201910971146 A CN 201910971146A CN 110639295 A CN110639295 A CN 110639295A
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- Prior art keywords
- bag
- air outlet
- rotary
- filter bag
- lifting cylinder
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- 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
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- 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
- B01D46/4272—Special valve constructions adapted to filters or filter elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a novel bag type dust collector which comprises a support (2), an ash bucket (3) and a bag chamber (8), wherein an air outlet (10) is formed in one surface of the bag chamber (8) opposite to the ash bucket (3); the bag house (8) is provided with a waste gas inlet (7) and a clean gas outlet (15) respectively, a filter bag (6) is arranged in the bag house (8), the filter bag (6) is inversely suspended in the bag house (8) through a filter bag suspender (9), a back blowing pipe (11) is arranged between the clean gas outlet (15) and an air outlet (10), and a fan (12) and a rotary duplex valve (13) are arranged on the back blowing pipe (11). The invention has low cost and low dust removing cost, can effectively prevent dew spots and has simple dust removing.
Description
Technical Field
The invention relates to a novel bag type dust collector, and belongs to the technical field of dust collection.
Background
The existing dust remover comprises a support, an ash bucket, a bag chamber and an air compressor, wherein a waste gas inlet and a clean gas outlet are respectively arranged on the bag chamber, and a filter bag inside the bag chamber is supported by a cage, so that the cost is high, during dust removal, the air compressor compresses air to blow and remove ash on the filter bag in the bag chamber, so that the ash removal cost is high, and meanwhile, due to the fact that cold air enters the dust remover, spot condensation exists in the dust remover. Meanwhile, the number of the existing ash removal control valves is two, and the ash removal procedure is complex.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a novel bag type dust collector which is low in cost and low in dust removal cost, can effectively prevent dew spots from being generated, and is simple in dust removal.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel bag type dust collector comprises a support (2), an ash bucket (3) and a bag chamber (8), wherein the bag chamber (8) is arranged on the support (2), the ash bucket (3) is arranged below the bag chamber (8), and an air outlet (10) is formed in one surface of the bag chamber (8) opposite to the ash bucket (3); the waste gas inlet (7) and the purified gas outlet (15) are respectively arranged on the bag chamber (8), the filter bag (6) is arranged in the bag chamber (8), meanwhile, the air outlet (10) is communicated with the purified gas outlet (15) through a channel, the filter bag (6) is inversely suspended in the bag chamber (8) through a filter bag suspender (9), the lower opening of the filter bag (6) is sleeved on a bag opening ring (16) and is tightened and fixed with the card (4) through a hoop (5); a reverse blowing pipe (11) is arranged between the purified gas outlet (15) and the air outlet (10), a fan (12) and a rotary duplex valve (13) are arranged on the reverse blowing pipe (11), and the rotary duplex valve (13) is positioned on the air outlet (10); the rotary double valve (13) comprises a rotary valve body, a lifting cylinder (12) and a valve plate; the valve plate is rotationally connected with the rotary valve body, the lifting cylinder (12) is fixed on the rotary valve body, the lifting cylinder (12) is connected with the driving end of the valve plate, when the lifting cylinder (12) is lifted to the extreme position, the free end of the valve plate is connected with the rotary valve body, the back blowing pipe (11) is closed, and a channel between the air outlet (10) and the purified air outlet (15) is opened; when the lifting cylinder (12) descends to the limit position, the free end of the valve plate is separated from the rotary valve body and is connected with the air outlet (10), the back blowing pipe (11) is opened, and a channel between the air outlet (10) and the clean air outlet (15) is closed; the device also comprises a pressure sensor and a micro differential pressure controller; the pressure sensor is arranged in the filter bag (6), the micro-differential pressure controller is arranged on the support (2), and the micro-differential pressure controller is respectively connected with the pressure sensor, the lifting cylinder (11) and the fan (14); the number of the ash buckets (3) is two, and the ash buckets (3) are provided with ash discharge valves (1); the number of the rotary duplex valves (13) is four, and the rotary duplex valves (13) and the air outlets (10) are arranged on the bag chamber (8) in a one-to-one correspondence manner.
Compared with the prior art, the novel bag type dust collector provided by the invention has the following beneficial effects:
1. because the filter bag (6) is inversely suspended in the bag chamber (8) through the filter bag suspender (9), the lower opening of the filter bag (6) is sleeved on the bag opening ring (14) and is tightened and fixed with the pattern plate (4) through the hoop (5); the purified gas outlet (14) is connected with the air outlet (10) through a back blowing air pipe (11). During the deashing, its clean gas cyclic utilization after utilizing the bag room to filter installs the fan in clean gas export (15) department, carries change double-link valve (13) with clean gas through the pipeline, has replaced compressed air to carry out the jetting deashing to the filter bag, realizes the jetting deashing process, has saved compressed air's cost on the one hand, and on the other hand purifies back gaseous blowback and can avoid cold air to get into the dust remover, arouses the dewfall spot.
2. Because the filter bag suspender reversely hangs the filter bag in the bag chamber, the traditional external filtration type dust removal is changed into the internal filtration type dust removal, and the support of the cage frame is not needed any more, thereby saving the cost of the cage frame.
3. The discharge of the purified gas and the back flushing of the purified gas are controlled by rotating the rotating position of the duplex valve (13), so that the ash removal is simple.
In conclusion, the invention has low cost and low dust cleaning cost, can effectively prevent dew spots and has simple dust cleaning.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of section I of FIG. 1;
FIG. 3 is a schematic view of the ash removal of the present invention;
FIG. 4 is an enlarged schematic view of detail II of FIG. 3;
wherein, 1 is an ash valve, 2 is a support, 3 is an ash bucket, 4 is a pattern plate, 5 is a hoop, 6 is a filter bag, 7 is a waste gas inlet, 8 is a bag chamber, 9 is a filter bag suspender, 10 is an air outlet, 11 is a reverse blowing pipe, 12 is a lifting cylinder, 13 is a rotary duplex valve plate, 14 is a fan, 15 is a purified gas outlet, and 16 is a bag mouth ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A novel bag type dust collector comprises a support 2, an ash bucket 3 and a bag chamber 8, wherein the bag chamber 8 is arranged on the support 2, the ash bucket 3 is arranged below the bag chamber 8, and an air outlet 10 is formed in one surface of the bag chamber 8, which is opposite to the ash bucket 3; the bag chamber 8 is respectively provided with a waste gas inlet 7 and a purified gas outlet 15, a filter bag 6 is arranged in the bag chamber 8, meanwhile, the air outlet 10 is communicated with the purified gas outlet 15 through a channel, the filter bag 6 is inversely suspended in the bag chamber 8 through a filter bag suspender 9, the lower opening of the filter bag 6 is sleeved on a bag opening ring 16 and is tightened and fixed with the card 4 through an anchor ear 5; a reverse blowing pipe 11 is arranged between the purified gas outlet 15 and the air outlet 10, a fan 12 and a rotary duplex valve 13 are arranged on the reverse blowing pipe 11, and the rotary duplex valve 13 is positioned on the air outlet 10; the rotary double valve 13 comprises a rotary valve body, a lifting cylinder 12 and a valve plate; the valve plate is rotationally connected with the rotary valve body, the lifting cylinder 12 is fixed on the rotary valve body, the lifting cylinder 12 is connected with the driving end of the valve plate, when the lifting cylinder 12 is lifted to the extreme position, the free end of the valve plate is connected with the rotary valve body, the blowback air pipe 11 is closed, and a channel between the air outlet 10 and the clean air outlet 15 is opened; when the lifting cylinder 12 descends to the limit position, the free end of the valve plate is separated from the rotary valve body and is connected with the air outlet 10, the blowback air pipe 11 is opened, and the channel between the air outlet 10 and the clean air outlet 15 is closed.
The device also comprises a pressure sensor and a micro differential pressure controller; the pressure sensor is arranged in the filter bag 6, the micro differential pressure controller is arranged on the support 2, and the micro differential pressure controller is respectively connected with the pressure sensor, the lifting cylinder 11 and the fan 14.
The number of the ash buckets 3 is two, and the ash buckets 3 are provided with ash discharge valves 1.
The number of the rotary double valves 13 is four, and the rotary double valves 13 and the air outlets 10 are arranged on the bag chamber 8 in a one-to-one correspondence manner.
Principle of operation
When the dust remover starts to work, as shown in fig. 3 and 4, the rotary duplex valve 13 is in a horizontal position, dust-containing gas enters the bag chamber 8 from the waste gas inlet 7 through the ash bucket 3, air flow enters the filter bag 6 reversely hung in the bag chamber 8 from bottom to top, the dust is filtered by the filter bag 6, the dust is adsorbed on the inner surface of the filter bag 6, and clean gas flows through the filter bag 6 to the clean gas outlet 15 and is discharged under the action of the fan 14 and is exhausted to the rotary duplex valve 13. When the dust on the inner surface of the filter bag 6 is continuously increased to cause the resistance of the equipment to rise to a set value, a time relay (or a micro differential pressure controller) outputs a signal, the program controller starts to work, the rotary duplex valves 13 are controlled to rotate to an inclined limit position one by one, the circulating clean gas blows and cleans the filter bag 6 through the nozzle, the filter bag 6 is suddenly expanded, and under the action of reverse airflow, the dust attached to the inner surface of the filter bag 6 quickly breaks away from the filter bag 6, enters the dust hopper 3 and is discharged through the dust discharge valve 1. After the blowing and dust removal of all the filter bags 6 are finished, the dust remover enters the next working state.
According to the invention, on the basis of the structure of the original bag type dust collector, the internal structure of the bag chamber is changed, the filter bag 6 is inversely hung in the bag chamber 8 by using the filter bag hanging rod 9, the lower opening of the filter bag 6 is sleeved on the bag opening ring 14, and the anchor ear 5 is tightened and fixed on the pattern plate 4; compressed air is not utilized any more in the design, purified air filtered by the bag chamber is recycled, the fan 14 is installed at the purified air outlet 15, and the purified air is conveyed to the rotary duplex valve 13 through the blowback air pipe 11, so that the compressed air is replaced for blowing and cleaning the filter bag.
This design is through the cyclic utilization to the exhaust net gas after filtering, realizes the jetting deashing process, has saved compressed air's cost on the one hand, and on the other hand purifies back gaseous blowback and can avoid cold air to get into the dust remover, arouses the dewfall spot. The filter bag hanger rod is utilized to reversely hang the filter bag in the bag chamber, the traditional external filtration type dust removal is changed into the internal filtration type dust removal, and the support of the cage frame is not needed any more, so that the cost of the cage frame is saved. The design controls the discharge of the purified gas and the back flushing of the purified gas by rotating the limit position of the duplex valve plate, and the program is simple.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (1)
1. The utility model provides a novel bag collector which characterized in that: the dust collector comprises a support (2), an ash bucket (3) and a bag chamber (8), wherein the bag chamber (8) is arranged on the support (2), the ash bucket (3) is arranged below the bag chamber (8), and an air outlet (10) is formed in one surface of the bag chamber (8) opposite to the ash bucket (3); the waste gas inlet (7) and the purified gas outlet (15) are respectively arranged on the bag chamber (8), the filter bag (6) is arranged in the bag chamber (8), meanwhile, the air outlet (10) is communicated with the purified gas outlet (15) through a channel, the filter bag (6) is inversely suspended in the bag chamber (8) through a filter bag suspender (9), the lower opening of the filter bag (6) is sleeved on a bag opening ring (16) and is tightened and fixed with the card (4) through a hoop (5); a reverse blowing pipe (11) is arranged between the purified gas outlet (15) and the air outlet (10), a fan (12) and a rotary duplex valve (13) are arranged on the reverse blowing pipe (11), and the rotary duplex valve (13) is positioned on the air outlet (10); the rotary double valve (13) comprises a rotary valve body, a lifting cylinder (12) and a valve plate; the valve plate is rotationally connected with the rotary valve body, the lifting cylinder (12) is fixed on the rotary valve body, the lifting cylinder (12) is connected with the driving end of the valve plate, when the lifting cylinder (12) is lifted to the extreme position, the free end of the valve plate is connected with the rotary valve body, the back blowing pipe (11) is closed, and a channel between the air outlet (10) and the purified air outlet (15) is opened; when the lifting cylinder (12) descends to the limit position, the free end of the valve plate is separated from the rotary valve body and is connected with the air outlet (10), the back blowing pipe (11) is opened, and a channel between the air outlet (10) and the clean air outlet (15) is closed;
the device also comprises a pressure sensor and a micro differential pressure controller; the pressure sensor is arranged in the filter bag (6), the micro-differential pressure controller is arranged on the support (2), and the micro-differential pressure controller is respectively connected with the pressure sensor, the lifting cylinder (11) and the fan (14);
the number of the ash buckets (3) is two, and the ash buckets (3) are provided with ash discharge valves (1);
the number of the rotary duplex valves (13) is four, and the rotary duplex valves (13) and the air outlets (10) are arranged on the bag chamber (8) in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971146.3A CN110639295A (en) | 2019-10-14 | 2019-10-14 | Novel bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971146.3A CN110639295A (en) | 2019-10-14 | 2019-10-14 | Novel bag type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110639295A true CN110639295A (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910971146.3A Pending CN110639295A (en) | 2019-10-14 | 2019-10-14 | Novel bag type dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN110639295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470984A (en) * | 2022-01-24 | 2022-05-13 | 杭州卓尔净化工程有限公司 | Circulation self-cleaning formula high-pressure pulse dust remover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373159Y (en) * | 1998-09-29 | 2000-04-12 | 国家建筑材料工业局合肥水泥研究设计院 | Bag-type dust separator with chamber blowing-out and counter-blowing |
| CN201140009Y (en) * | 2007-12-27 | 2008-10-29 | 盐城中科节能环保技术创新服务有限公司 | Long-bag impulse bag-type dust remover |
| CN201179393Y (en) * | 2008-03-17 | 2009-01-14 | 刘天水 | Electrostatic reinforced low-voltage impulse bag-type dust-collector |
| CN210786587U (en) * | 2019-10-06 | 2020-06-19 | 江苏海科环境科技工程有限公司 | Filter bag type dust collector in rotary valve gas purification back-blowing air box |
-
2019
- 2019-10-14 CN CN201910971146.3A patent/CN110639295A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373159Y (en) * | 1998-09-29 | 2000-04-12 | 国家建筑材料工业局合肥水泥研究设计院 | Bag-type dust separator with chamber blowing-out and counter-blowing |
| CN201140009Y (en) * | 2007-12-27 | 2008-10-29 | 盐城中科节能环保技术创新服务有限公司 | Long-bag impulse bag-type dust remover |
| CN201179393Y (en) * | 2008-03-17 | 2009-01-14 | 刘天水 | Electrostatic reinforced low-voltage impulse bag-type dust-collector |
| CN210786587U (en) * | 2019-10-06 | 2020-06-19 | 江苏海科环境科技工程有限公司 | Filter bag type dust collector in rotary valve gas purification back-blowing air box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470984A (en) * | 2022-01-24 | 2022-05-13 | 杭州卓尔净化工程有限公司 | Circulation self-cleaning formula high-pressure pulse dust remover |
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Application publication date: 20200103 |
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