CN209865576U - Single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector - Google Patents
Single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector Download PDFInfo
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- CN209865576U CN209865576U CN201920647334.6U CN201920647334U CN209865576U CN 209865576 U CN209865576 U CN 209865576U CN 201920647334 U CN201920647334 U CN 201920647334U CN 209865576 U CN209865576 U CN 209865576U
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- chamber
- outlet
- middle box
- dust collector
- flue gas
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- 239000000428 dust Substances 0.000 title claims abstract description 63
- 238000007664 blowing Methods 0.000 title claims abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003546 flue gas Substances 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims 1
- 230000008676 import Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to an off-line pulse blowback bag collector of single-chamber single import multiple exit, including the several in the box, establish in the box lower extreme and with the ash bucket of well box UNICOM and establish in the box upper end and with the air-purifying chamber of well box UNICOM. A flue gas inlet and a flue gas outlet are arranged among the plurality of middle boxes; a plurality of filter bags are arranged in the middle box body, and the filter bags are fixed on a filter bag frame between the middle box body and the air purifying chamber; a plurality of blowing pipes are arranged in the air purifying chamber, and the top of each blowing pipe is connected with a pulse valve; the top of the clapboard is fixed at the top of the air purifying chamber, and the bottom of the clapboard passes through the air purifying chamber and reaches the bottom of the middle box body. The utility model discloses a plurality of compartments are separated into with the filter bag to the baffle, are isolated filter bag quantity when having reduced the off-line deashing, have also reduced by isolated dust remover filter area (playing the effective area of straining the dirt effect promptly), filter the dust effectively, and the operation is more stable, and work efficiency is showing and is improving, and the application is wider.
Description
Technical Field
The utility model belongs to the technical field of the belt dust remover, specifically speaking relates to an off-line pulse blowback bag collector of single-chamber single import multiple exit.
Background
The bag type dust collector is widely applied to various dust collection fields, has the advantages of high dust collection efficiency, stable operation and the like, and is widely applied to industries such as electric power, industrial kilns, mines, building materials and the like.
According to the ash removal mode, the bag type dust collector can be divided into an off-line ash removal mode and an on-line ash removal mode, the off-line ash removal mode is a filter bag ash removal mode for cutting off filter air flow, and the bag type dust collector has the characteristic of high ash removal efficiency, so that the bag type dust collector is widely applied. In order to realize the continuous work of the off-line ash-cleaning dust remover, the dust remover is usually designed into a chamber-divided structure.
The dust-containing gas enters the dust remover from a middle box body or a dust hopper of the dust remover, coarse particles directly fall into the dust hopper at the bottom, finer dust particles enter the middle box body along with air flow, the dust particles are intercepted by the filter bag and deposited on the surface of the filter bag along with the gas passing through the filter bag, the gas purified in each chamber enters a gas purifying chamber of the dust remover through the inside of the filter bag, then enters a gas outlet collecting pipe of the dust remover from an off-line valve of the gas purifying chamber and leaves the dust remover.
The traditional bag type dust collector adopts a configuration mode that each chamber is provided with a gas purifying chamber and an off-line valve, when the dust collector carries out off-line dust cleaning, the system resistance fluctuation is large, and the phenomenon is particularly prominent on the dust collector with small number of chambers.
SUMMERY OF THE UTILITY MODEL
Aiming at various defects in the prior art, the inventor researches and designs a single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector in long-term practice, and the off-line pulse back-blowing bag type dust collector has a simple structure and higher dust cleaning efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a single-chamber list import multi-outlet's off-line pulse blowback bag collector, includes box in the several, set up at box lower extreme in and with the ash bucket of box UNICOM in and set up the air-purifying chamber in box upper end and with box UNICOM in. A flue gas inlet and a flue gas outlet are arranged among the plurality of middle box bodies and are communicated with each middle box body; a plurality of filter bags are arranged in the middle box body, and the filter bags are fixed on a filter bag frame between the middle box body and the air purifying chamber; a plurality of blowing pipes are arranged in the air purifying chamber, and the top of each blowing pipe is connected with a pulse valve; the top of the partition plates is fixed at the top of the air purifying chamber, and the bottom of the partition plates penetrates through the air purifying chamber to reach the bottom of the middle box body, so that the middle box body and the air purifying chamber are divided into a plurality of compartments.
Furthermore, the middle box bodies are symmetrically arranged in two rows, and the middle box bodies are independently arranged and do not contact with each other.
Further, the flue gas inlet and the flue gas outlet are asymmetrically arranged, and the central height of the flue gas inlet is lower than that of the flue gas outlet.
Furthermore, an air inlet channel is arranged on each ash hopper, and dust-containing flue gas enters the dust remover through a flue gas inlet and is distributed to each middle box body through the air inlet channel.
Further, an air bag is arranged between the pulse valve and the blowing pipe and used for storing compressed air.
Further, the air bag 4 is square or round in shape.
Furthermore, a plurality of nozzles are arranged at the lower end of each injection tube, and the number of the nozzles is equal to that of the filter bags.
Further, the vertical distance between the bottom end of the nozzle and the top end of the filter bag is 1-5 cm.
Furthermore, the top of each compartment is provided with a vent hole.
Furthermore, an off-line valve is arranged at the top of the air purifying chamber corresponding to the vent hole.
The utility model has the advantages that:
the filter bag is divided into a plurality of compartments by the partition plates, so that the number of the isolated filter bags in off-line ash removal is reduced, the filtering area (namely the effective area for filtering dust) of the isolated dust remover is reduced, dust is effectively filtered, the operation is more stable, the working efficiency is obviously improved, and the application field is wider.
Drawings
FIG. 1 is a front view of the dust collector of the present invention;
fig. 2 is a left side view of the dust collector of the present invention.
In the drawings: 1-ash bucket, 2-middle box body, 3-air purifying chamber, 4-air bag, 5-pulse valve, 6-injection tube, 61-nozzle, 7-filter bag, 71-vent hole, 8-off-line valve, 9-air inlet channel, 10-clapboard, 11-smoke inlet and 12-smoke outlet.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", and the like in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for the purpose of illustration and not for the purpose of limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 and 2, the utility model discloses a single-chamber single-inlet multi-outlet's off-line pulse blowback bag collector, box 2 in the several, set up in box 2 lower extreme and with the ash bucket 1 of box 2 UNICOM and set up in box 2 upper end and with the air-purifying chamber 3 of box 2 UNICOM in. The box has 4 in this embodiment, divides two rows of symmetry settings, and box 2 in every row two, and independent setting does not contact between each middle box 2. A smoke inlet 11 and a smoke outlet 12 are arranged between the 4 middle boxes 2 and are communicated with the 4 middle boxes 2. The flue gas inlet 11 and the flue gas outlet 12 are arranged asymmetrically and the central height of the flue gas inlet 11 is lower than that of the flue gas outlet 12. An air inlet channel 9 is arranged on each ash bucket 1, and dust-containing flue gas enters the dust remover through a flue gas inlet 11 and is distributed into each middle box body 2 through the air inlet channel 9.
A plurality of filter bags 7 are arranged in the middle box body 2, and the filter bags 7 are fixed on a filter bag frame between the middle box body 2 and the air purifying chamber 3 and are used for purifying dust-containing smoke passing through the filter bags. A plurality of blowing pipes 6 are arranged in the air purifying chamber 3, and the top of each blowing pipe 6 is connected with a pulse valve 5. The pulse valve 5 is a diaphragm valve which is controlled by a pilot valve such as an electromagnetic valve or a pneumatic valve and instantly opens and closes a high-pressure air source to generate air pulses, and is used for controlling the opening and closing of the blowing pipe 6. An air bag 4 is arranged between the pulse valve 5 and the blowing pipe 6, the air bag 4 can be square or round, and is used for storing compressed air, so that the pulse valve 5 can supply air uniformly and sufficiently, and the air quantity and the air pressure of pulse ash removal are ensured to be stable. A plurality of nozzles 61 are arranged at the lower end of each injection tube 6, and the number of the nozzles 61 is equal to that of the filter bags 7. Each nozzle 61 corresponds to one filter bag 7, the vertical distance from the bottom end of each nozzle 61 to the top end of each filter bag 7 is 1-5 cm, and the preferred length of the nozzle 61 is 3 cm. The nozzles 61 eject compressed air into the respective filter bags 7 to inflate the filter bags 7.
A plurality of partition plates 10 are arranged in the air purifying chamber 3, the top of each partition plate 10 is fixed at the top of the air purifying chamber 3, and the bottom of each partition plate 10 penetrates through the air purifying chamber 3 and reaches the bottom of the middle box body 2. The number of the partition boards 10 can be determined according to the actual situation, the middle box body 2 and the air purifying chamber 3 are divided into a plurality of compartments, and when one or more spaces are used for off-line dust removal, the filtering efficiency in other compartments is not influenced. The top of each compartment is provided with a vent hole 71, and the top of the air purifying chamber 3 corresponding to each vent hole 71 is provided with an off-line valve 8. The off-line valve 8 is normally opened, when a certain compartment needs off-line ash removal, the corresponding off-line valve 8 is closed, the cover plate below the off-line valve is pressed down to cover the vent hole 71, and off-line ash removal is started.
The utility model discloses a dust remover normal during operation, pulse valve 5 is closed, off-line valve 8 is opened, and dusty flue gas passes through flue gas import 11 and enters the dust remover, and in box 2 in distributing to each via inlet air duct 9 again, dusty flue gas gets into air-purifying chamber 3 via box 2 in, follows exhanst gas outlet 12 after gathering. When a certain compartment needs off-line dust removal, the corresponding off-line valve 8 is closed, the airflow in the compartment is in a relatively static state at the moment, after a short static period (usually 5-10 s), dust removal is started, each pulse valve 5 is sequentially started one at a time, one pulse valve 5 corresponds to one injection tube 6, one injection tube 6 corresponds to a row of filter bags 7, compressed air cached in the air bag 4 passes through the pulse valves 5 and the injection tubes 6 and carries surrounding air into the filter bags 7, the filter bags expand, dust on the surfaces of the filter bags is separated from the surfaces of the filter bags at the moment and falls into the dust hopper 1 under the action of gravity until the pulse valves 5 in the compartment work all the time, the off-line valve 8 is opened, dust-containing smoke can normally pass through the compartment again, and off-line dust removal of the compartment is finished.
The utility model discloses a dust remover adopts the baffle to separate into a plurality of compartments with the filter bag, by isolated filter bag quantity when having reduced the off-line deashing, has also reduced by isolated dust remover filter area, filters the dust effectively, and work efficiency is showing and is improving.
The above detailed description of the present invention is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto, and all the equivalent changes and modifications made according to the scope of the present invention should be covered by the present invention.
Claims (10)
1. A single-chamber single-inlet multi-outlet off-line pulse back-flushing bag type dust collector comprises a plurality of middle box bodies (2), an ash bucket (1) arranged at the lower ends of the middle box bodies (2) and communicated with the middle box bodies (2), and a gas purifying chamber (3) arranged at the upper ends of the middle box bodies (2) and communicated with the middle box bodies (2), and is characterized in that a flue gas inlet (11) and a flue gas outlet (12) are arranged among the plurality of middle box bodies (2) and are communicated with each middle box body (2);
a plurality of filter bags (7) are arranged in the middle box body (2), and the filter bags (7) are fixed on a filter bag frame between the middle box body (2) and the air purifying chamber (3); a plurality of blowing pipes (6) are arranged in the air purifying chamber (3), and the top of each blowing pipe (6) is connected with one pulse valve (5);
the air purifying chamber (3) is internally provided with a plurality of partition plates (10), the tops of the partition plates (10) are fixed at the top of the air purifying chamber (3), the bottoms of the partition plates pass through the air purifying chamber (3) and reach the bottom of the middle box body (2), and the middle box body (2) and the air purifying chamber (3) are divided into a plurality of compartments.
2. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 1, wherein the middle box bodies (2) are symmetrically arranged in two rows, and the middle box bodies (2) are independent from each other.
3. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 1, wherein the flue gas inlet (11) and the flue gas outlet (12) are asymmetrically arranged, and the central height of the flue gas inlet (11) is lower than that of the flue gas outlet (12).
4. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 2, wherein each ash hopper (1) is provided with an air inlet channel (9), and dust-containing flue gas enters the dust collector through a flue gas inlet (11) and is distributed into each middle box body (2) through the air inlet channel (9).
5. A single-chamber single-inlet multi-outlet off-line pulse-blowback bag-type dust collector as claimed in claim 1, wherein an air bag (4) is provided between said pulse valve (5) and said blowing pipe (6) for storing compressed air.
6. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 5, wherein the air bag (4) is square or round in shape.
7. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 5, wherein a plurality of nozzles (61) are arranged at the lower end of the blowing pipe (6), and the number of the nozzles (61) is equal to that of the filter bags (7).
8. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector as claimed in claim 7, wherein the vertical distance from the bottom end of the nozzle (61) to the top end of the filter bag (7) is 1-5 cm.
9. The single-chamber single-inlet multi-outlet off-line pulse-blowback bag house of claim 1, wherein said compartments are each provided with a vent hole (71) at the top.
10. The single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector of claim 9, characterized in that an off-line valve (8) is arranged at the top of the air purifying chamber (3) corresponding to the vent hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647334.6U CN209865576U (en) | 2019-05-07 | 2019-05-07 | Single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647334.6U CN209865576U (en) | 2019-05-07 | 2019-05-07 | Single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209865576U true CN209865576U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920647334.6U Active CN209865576U (en) | 2019-05-07 | 2019-05-07 | Single-chamber single-inlet multi-outlet off-line pulse back-blowing bag type dust collector |
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| Country | Link |
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| CN (1) | CN209865576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041738A (en) * | 2021-03-16 | 2021-06-29 | 潍坊天洁环保科技有限公司 | Module combined dust remover |
| CN114939309A (en) * | 2022-04-14 | 2022-08-26 | 芜湖慧盈自动化设备有限公司 | Bag-type dust collection method of dust remover and bag-type dust collection equipment using method |
| CN119113676A (en) * | 2024-11-05 | 2024-12-13 | 广州绿安康饲料科技有限公司 | A pulse dust collector |
-
2019
- 2019-05-07 CN CN201920647334.6U patent/CN209865576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041738A (en) * | 2021-03-16 | 2021-06-29 | 潍坊天洁环保科技有限公司 | Module combined dust remover |
| CN114939309A (en) * | 2022-04-14 | 2022-08-26 | 芜湖慧盈自动化设备有限公司 | Bag-type dust collection method of dust remover and bag-type dust collection equipment using method |
| CN119113676A (en) * | 2024-11-05 | 2024-12-13 | 广州绿安康饲料科技有限公司 | A pulse dust collector |
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