CN112870899A - Bag type dust collector with built-in cyclone and working method thereof - Google Patents
Bag type dust collector with built-in cyclone and working method thereof Download PDFInfo
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- CN112870899A CN112870899A CN202110070003.2A CN202110070003A CN112870899A CN 112870899 A CN112870899 A CN 112870899A CN 202110070003 A CN202110070003 A CN 202110070003A CN 112870899 A CN112870899 A CN 112870899A
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- cyclone
- type dust
- dust collector
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- 239000000428 dust Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007664 blowing Methods 0.000 claims description 50
- 238000005192 partition Methods 0.000 claims description 9
- 238000000151 deposition Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a bag type dust collector with built-in cyclone and a working method thereof, and the bag type dust collector comprises a bag type dust collector shell, a fixed clapboard, a built-in cyclone separator and a plurality of bag type filter elements, wherein the built-in cyclone separator is positioned in the bag type dust collector shell, the fixed clapboard is fixed in the bag type dust collector shell, the fixed clapboard is provided with a plurality of through holes, one through hole corresponds to one bag type filter element, each bag type filter element is communicated with the corresponding through hole, the built-in cyclone separator is positioned below each bag type filter element, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell to be communicated with the built-in cyclone separator.
Description
Technical Field
The invention belongs to a bag type dust collector and a working method thereof, and particularly relates to a bag type dust collector with built-in cyclone and a working method thereof.
Background
The bag type dust collector is a dust collecting device which uses fiber material filter cloth to filter and remove dust in gas, the dust collecting principle of the bag type dust collector is that when dust-containing air flows through a filter bag filter element, the dust flows through the filter bag filter element to generate the combined action of multiple aspects such as screening, collision, hooking, diffusion, gravity, static electricity and the like, so that dust is retained on the surface of the filter bag when the dust-containing air flows through the dust collector, and then the dust-containing gas is purified, and the purifying efficiency can reach more than 90%. The bag type dust collector has the characteristics of high filtering precision, large treatment capacity and low cost, and is widely applied to coal gasification and dust removal of coal-fired power stations.
When the bag collector to the heavy-air volume designs the lectotype, need increase the quantity of sack filter core in the bag collector, the volume of bag collector has been increased simultaneously, in addition, when needs carry out the blowback deashing to the sack filter core, because the increase of sack filter core, must increase the consumption of blowback gas, blowback pulse valve is easy fatigue damage, running cost and energy consumption are higher, the effect of blowback is also relatively poor simultaneously, serious influence sack cleaner is at the ash content height, the application of large-traffic gas dust removal direction.
Therefore, it is necessary to design a bag-type dust collector that can process the dust-containing gas with high ash content and large flow rate, and has small volume, low cost and low consumption of back-blowing gas to solve the above problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a bag type dust collector with built-in cyclone and a working method thereof.
In order to achieve the purpose, the bag type dust collector with the built-in cyclone comprises a bag type dust collector shell, a fixed partition plate, a built-in cyclone separator and a plurality of bag type filter elements, wherein the built-in cyclone separator is positioned in the bag type dust collector shell, the fixed partition plate is fixed in the bag type dust collector shell, a plurality of through holes are formed in the fixed partition plate, each through hole corresponds to one bag type filter element, each bag type filter element is communicated with the corresponding through hole, the built-in cyclone separator is positioned below each bag type filter element, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell to be communicated with the.
The built-in cyclone separator is fixed in the shell of the bag-type dust collector through a fixed lacing wire.
The top of the built-in cyclone separator is of an inverted cone structure.
The bag-type dust collector further comprises a back-blowing gas input pipeline, a back-blowing main pipe and back-blowing nozzles, wherein the back-blowing main pipe and the back-blowing nozzles are located in the bag-type dust collector shell, the back-blowing main pipe and the back-blowing nozzles are located above the fixed partition plate, the outlet of the back-blowing gas input pipeline penetrates through the side wall of the bag-type dust collector shell and is communicated with the back-blowing main pipe, the inlet of each back-blowing nozzle is communicated with the back-blowing main pipe, one back-blowing nozzle corresponds to one through hole, and the outlet of each back-blowing nozzle is.
The central line of the built-in cyclone separator is superposed with the central line of the shell of the bag-type dust collector.
Each blowback nozzle is positioned below the blowback main pipe.
The working method of the bag type dust collector with the built-in cyclone comprises the following steps:
the dust-containing gas enters the built-in cyclone separator through the dust-containing gas input pipeline for pre-dedusting, then rises into the shell of the bag-type dust remover, then is subjected to deep dedusting through the bag-type filter element, and finally is discharged through the through hole and the gas outlet at the top of the shell of the bag-type dust remover.
The invention has the following beneficial effects:
the invention relates to a bag type dust collector with built-in cyclone and a working method thereof, wherein during specific operation, a principle of two-stage filtration is adopted, a built-in cyclone separator is arranged in a shell of a bag type dust collector, during operation, dust-containing gas is firstly input into the built-in cyclone separator for pre-dedusting treatment, then the dust-containing gas ascends into the shell of the bag type dust collector and is subjected to two-stage dust removal through a bag filter element, and finally the dust-containing gas is discharged through a through hole and a gas outlet at the top of the bag type dust collector so as to realize two-stage filtration and dust removal of the dust-containing gas The back-blowing consumption is small, the practicability is strong, and the popularization and the application are convenient.
Furthermore, the top of the built-in cyclone separator is of an inverted cone structure, so that dust particles on the cloth bag filter element are prevented from falling and depositing on the top of the built-in cyclone separator when the cloth bag filter element is reversely swept.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a bag-type dust collector shell, 2 is a bag-type filter core, 3 is a fixed baffle, 4 is a back-blowing main pipe, 5 is a back-blowing gas input pipeline, 6 is a back-blowing nozzle, 7 is a dust-containing gas input pipeline, 8 is a built-in cyclone separator, and 9 is a fixed lacing wire.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the bag type dust collector with built-in cyclone of the invention comprises a bag type dust collector shell 1, a fixed partition plate 3, a built-in cyclone separator 8 and a plurality of bag type filter elements 2, wherein the built-in cyclone separator 8 is positioned in the bag type dust collector shell 1, the fixed partition plate 3 is fixed in the bag type dust collector shell 1, the fixed partition plate 3 is provided with a plurality of through holes, one through hole corresponds to one bag type filter element 2, each bag type filter element 2 is communicated with the corresponding through hole, the built-in cyclone separator 8 is positioned below each bag type filter element 2, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell 1 and is communicated with the built-.
The built-in cyclone separators 8 are fixed in the bag-type dust collector shell 1 through the fixed tie bars 9, the number of the fixed tie bars 9 is multiple, the built-in cyclone separators 8 are fixed in the bag-type dust collector shell 1, and the central lines of the built-in cyclone separators 8 and the bag-type dust collector shell 1 are overlapped.
The bag-type dust collector also comprises a back-blowing gas input pipeline 5, a back-blowing main pipe 4 and branch-blowing nozzles, wherein the back-blowing main pipe 4 and the back-blowing nozzles 6 are positioned in the bag-type dust collector shell 1, the back-blowing main pipe 4 and the back-blowing nozzles 6 are positioned above the fixed partition plate 3, the outlet of the back-blowing gas input pipeline 5 penetrates through the side wall of the bag-type dust collector shell 1 to be communicated with the back-blowing main pipe 4, the inlet of each back-blowing nozzle 6 is communicated with the back-blowing main pipe 4, one back-blowing nozzle 6 corresponds to one through hole, the outlet of each back-blowing nozzle 6 is positioned right above the corresponding through hole, each back-blowing nozzle 6 is positioned below the back-blowing main pipe 4, the top of the built-in cyclone separator 8 is of a back-taper structure, and particles on the bag filter element 2 are prevented from falling behind and depositing on.
The working method of the bag type dust collector with the built-in cyclone comprises the following steps:
the dust-containing gas enters a built-in cyclone separator 8 through a dust-containing gas input pipeline 7 for pre-dedusting, then rises into a bag-type dust remover shell 1, then is deeply dedusted through a bag-type filter element 2, and finally is discharged through a through hole and a gas outlet at the top of the bag-type dust remover shell 1.
When the bag filter element 2 needs to be purged, the back blowing gas is input into the back blowing header pipe 4 through the back blowing gas input pipeline 5, then is sprayed into the bag filter element 2 through the back blowing nozzle 6 to clean particles on the outer surface of the bag filter element 2, enters the built-in cyclone separator 8 through the top opening of the built-in cyclone separator 8, and finally reversely flows out through the dust-containing gas input pipeline 7.
Wherein, the top of built-in cyclone 8 is the back taper structure, when preventing to carry out reverse purge to sack filter core 2, deposits the top of built-in cyclone 8 after the granule on the sack filter core 2 falls.
It should be noted that, in the present invention, the built-in cyclone separator 8 is arranged inside the conventional bag-type dust collector, the dust-containing gas is pre-dedusted by the built-in cyclone separator 8, and the gas dedusted by the built-in cyclone separator 8 rises again to enter the bag-type filter element 2 for deep dedusting, wherein the top of the built-in cyclone separator 8 is of an inverted cone structure, so as to prevent dust falling by back flushing from depositing on the top of the built-in cyclone separator 8.
Claims (8)
1. The utility model provides a bag collector of built-in whirlwind, a serial communication port, including sack cleaner casing (1), fixed stop (3), built-in cyclone (8) and a plurality of sack filter core (2), built-in cyclone (8) are located sack cleaner casing (1), fixed stop (3) are fixed in sack cleaner casing (1), be provided with a plurality of through-holes on fixed stop (3), one of them through-hole corresponds a sack filter core (2), each sack filter core (2) are linked together with corresponding the through-hole, built-in cyclone (8) are located the below of each sack filter core (2), dirty gas input pipeline passes the lateral wall of sack cleaner casing (1) and is linked together with built-in cyclone (8).
2. The bag-type dust collector with built-in cyclone as claimed in claim 1, wherein the built-in cyclone separator (8) is fixed in the bag-type dust collector housing (1) by a fixing lacing (9).
3. The bag collector with built-in cyclone as claimed in claim 2, wherein the number of the fixing lacing wires (9) is 2 or more.
4. The bag type dust collector with built-in cyclone as claimed in claim 1, wherein the top of the built-in cyclone separator (8) is of an inverted cone structure.
5. The bag-type dust collector with the built-in cyclone of claim 1, further comprising a back-blowing gas input pipeline (5), a back-blowing main pipe (4) and back-blowing nozzles (6), wherein the back-blowing main pipe (4) and the back-blowing nozzles (6) are located in the bag-type dust collector shell (1), the back-blowing main pipe (4) and the back-blowing nozzles (6) are located above the fixed partition plate (3), an outlet of the back-blowing gas input pipeline (5) penetrates through the side wall of the bag-type dust collector shell (1) to be communicated with the back-blowing main pipe (4), an inlet of each back-blowing nozzle (6) is communicated with the back-blowing main pipe (4), one back-blowing nozzle (6) corresponds to one through hole, and an outlet of each back-blowing nozzle (6) is located directly above the corresponding through hole.
6. The bag-type dust collector with built-in cyclone as claimed in claim 1, wherein the centerline of the built-in cyclone separator (8) coincides with the centerline of the bag-type dust collector housing (1).
7. The bag-type dust collector with built-in cyclone as claimed in claim 1, wherein each blowback nozzle (6) is located below the blowback header pipe (4).
8. A method of operating a bag house with internal cyclone as claimed in claim 1, comprising the steps of:
the dust-containing gas enters a built-in cyclone separator (8) through a dust-containing gas input pipeline (7) for pre-dedusting, then rises into a bag-type dust remover shell (1), then is deeply dedusted through a bag-type filter element (2), and finally is discharged through a through hole and a gas outlet at the top of the bag-type dust remover shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070003.2A CN112870899A (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070003.2A CN112870899A (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112870899A true CN112870899A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110070003.2A Pending CN112870899A (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone and working method thereof |
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| Country | Link |
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| CN (1) | CN112870899A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713542A (en) * | 2021-08-20 | 2021-11-30 | 太原重工股份有限公司 | Cyclone and filtering composite dust remover |
| CN113731653A (en) * | 2021-08-13 | 2021-12-03 | 丁海燕 | Prevent blockking up cyclone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970073691A (en) * | 1996-05-30 | 1997-12-10 | 이대원 | Double dust collector |
| CN2902423Y (en) * | 2006-04-17 | 2007-05-23 | 韩广稳 | Cyclone bag type composite dust eliminator |
| CN105327585A (en) * | 2015-11-26 | 2016-02-17 | 华中科技大学 | Integrated dust collector device and dedusting method |
| CN207024962U (en) * | 2017-07-10 | 2018-02-23 | 阜新维瑞电子环保科技有限公司 | Whirlwind integration dust-removing device |
| CN107866121A (en) * | 2017-10-17 | 2018-04-03 | 山东先罗新型建材科技开发有限公司 | Calcination, fluidization stove dust arrester |
| CN108939724A (en) * | 2017-05-18 | 2018-12-07 | 江苏瑞洁环境工程科技有限责任公司 | The bag filter of preposed whirlwind deduster |
| CN109331586A (en) * | 2018-10-09 | 2019-02-15 | 沈阳环境科学研究院 | Whirlwind bag-type dust integrated apparatus |
| CN208771113U (en) * | 2018-08-31 | 2019-04-23 | 奎屯银力棉油机械有限公司 | A kind of cyclone and cloth bag combination unit |
| CN210964474U (en) * | 2019-10-31 | 2020-07-10 | 安徽科达洁能股份有限公司 | Bag-type dust collector |
| CN212017255U (en) * | 2020-04-15 | 2020-11-27 | 上海隆麦机械设备工程有限公司 | Dust collector for SOx/NOx control |
-
2021
- 2021-01-19 CN CN202110070003.2A patent/CN112870899A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970073691A (en) * | 1996-05-30 | 1997-12-10 | 이대원 | Double dust collector |
| CN2902423Y (en) * | 2006-04-17 | 2007-05-23 | 韩广稳 | Cyclone bag type composite dust eliminator |
| CN105327585A (en) * | 2015-11-26 | 2016-02-17 | 华中科技大学 | Integrated dust collector device and dedusting method |
| CN108939724A (en) * | 2017-05-18 | 2018-12-07 | 江苏瑞洁环境工程科技有限责任公司 | The bag filter of preposed whirlwind deduster |
| CN207024962U (en) * | 2017-07-10 | 2018-02-23 | 阜新维瑞电子环保科技有限公司 | Whirlwind integration dust-removing device |
| CN107866121A (en) * | 2017-10-17 | 2018-04-03 | 山东先罗新型建材科技开发有限公司 | Calcination, fluidization stove dust arrester |
| CN208771113U (en) * | 2018-08-31 | 2019-04-23 | 奎屯银力棉油机械有限公司 | A kind of cyclone and cloth bag combination unit |
| CN109331586A (en) * | 2018-10-09 | 2019-02-15 | 沈阳环境科学研究院 | Whirlwind bag-type dust integrated apparatus |
| CN210964474U (en) * | 2019-10-31 | 2020-07-10 | 安徽科达洁能股份有限公司 | Bag-type dust collector |
| CN212017255U (en) * | 2020-04-15 | 2020-11-27 | 上海隆麦机械设备工程有限公司 | Dust collector for SOx/NOx control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731653A (en) * | 2021-08-13 | 2021-12-03 | 丁海燕 | Prevent blockking up cyclone |
| CN113713542A (en) * | 2021-08-20 | 2021-11-30 | 太原重工股份有限公司 | Cyclone and filtering composite dust remover |
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