CN107158826B - A kind of bag-type dust collector - Google Patents

A kind of bag-type dust collector Download PDF

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Publication number
CN107158826B
CN107158826B CN201710424444.1A CN201710424444A CN107158826B CN 107158826 B CN107158826 B CN 107158826B CN 201710424444 A CN201710424444 A CN 201710424444A CN 107158826 B CN107158826 B CN 107158826B
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China
Prior art keywords
cloth bag
bag
baffle
dust collector
fan blade
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Application number
CN201710424444.1A
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Chinese (zh)
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CN107158826A (en
Inventor
刘志恒
许丽君
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CHANGSHA JIUXIN TECHNOLOGY CO., LTD.
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Changsha Jiuxin Technology Co Ltd
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Priority to CN201710424444.1A priority Critical patent/CN107158826B/en
Publication of CN107158826A publication Critical patent/CN107158826A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters

Abstract

The invention discloses a kind of bag-type dust collectors, are related to environmental protecting device design field.The present invention is mainly the buffer function using the baffle with baffle fan blade, slow down the dusty gas into bag filter directly to the percussion of cloth bag, during blowback, the helical blade installed in cloth bag is driven to rotate using purge gas, generate centrifugal force, reach the efficient removing to cloth bag all angles dust accumulation, and have benefited from the interception function of baffle fan blade, most crude particle can be made to fall directly into ash bucket, excessive coarse granule is avoided to be adsorbed in cloth bag surface, influence blowback effect, in use, cloth bag surface dust accumulation can be made to fall into ash bucket without multiple blowback, energy consumption is saved, it efficiently solves conventional cloth bag deduster dusty gas and directly washes away cloth bag, and the problem of blowback low efficiency.

Description

A kind of bag-type dust collector
Technical field
The invention discloses a kind of bag-type dust collectors, are related to environmental protecting device design field.
Background technique
Bag filter is mostly used to be filtered to the processing of dusty gas at present, its working principle is that passing through connecting tube Dusty gas is introduced into the cabinet of bag filter by road, and dusty gas is moved by the graviational interaction of air-introduced machine to cloth bag, powder Dirt is attracted on cloth bag, and cleaned gas is discharged out of cloth bag, to achieve the effect that air cleaning.But because existing Bag filter gas connection pipe is directly connected on the upside of the middle cabinet of bag filter, enters the intracorporal ash-laden gas of case Body air-introduced machine under the action of can flow velocity become larger, pour the cabinet of bag filter at a high speed under the action of inertia force, into Cartonning intracorporal high speed dusty gas part is discharged directly through after cloth bag from upper box gas discharge outlet, another part dust-laden Gas declines after impacting cloth bag from cabinet air inlet side, is then arranged by gas after Bag filter from the gas discharge outlet of upper box Out.It is very strong to the scouring force of cloth bag windward side due to entering the intracorporal dusty gas of case at a high speed, cause cloth bag windward side can not Stick dust, and a large amount of dust is gathered in the leeward of cloth bag.The leeward dust absorption that will lead to deduster in this way is blocked up, Gas can not pass through, and necessarily will increase blowback frequency in this way;Windward side is then because of good permeability, and strong adsorption force, tiny grit can be straight It connects and is discharged into atmosphere across cloth bag.The purification efficiency and efficiency of dust collection for leading to existing bag filter can not improve.It is wherein above-mentioned to lack Be trapped in flue gas dry cleaning processing system show it is the most obvious, because need in flue gas dry cleaning processing system will be in flue gas Pernicious gas carry out adsorption cleaning using adsorbent, adsorbent is generally all kinds of dust, and the adsorbent of addition needs to recycle benefit With being for these reasons unevenly distributed the adsorbent on cloth bag, it is just directly logical that part pernicious gas is not exposed to adsorbent Cloth bag enters air-purifying chamber, and the gas permeability of the catharsis being not achieved, windward side is preferable, the little particle absorption that need to partially recycle Agent also passes through cloth bag and enters air-purifying chamber, and recovery efficiency is low.
Summary of the invention
The present invention solves the technical problem of: in use for conventional cloth bag deduster, dusty gas is straight It connects and washes away cloth bag, cloth bag is caused to damage, and low efficiency during blowback, need multiple blowback, cause the higher problem of energy consumption, provide A kind of bag-type dust collector.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of bag-type dust collector, including dust collector box body, dust collector box body outside the top are equipped with air outlet, air outlet Lower section is equipped with air inlet, and dust collector box body lower half is equipped with ash bucket, and hopper bottom is equipped with discharge port, and dust collector box body passes through bottom The support frame of portion's installation is fixed on ground, and the top is equipped with back-blowing device inside dust collector box body, and back-blowing device is located at cloth bag Top, it is characterised in that: be equipped with helical blade inside cloth bag, and be equipped with inside dust collector box body in cloth bag installation site side Baffle is evenly distributed with baffle fan blade on baffle;
When using the bag-type dust collector, dusty gas enters dust collector box body by air inlet, in airflow function Under, equally distributed baffle fan blade rotation above baffle is driven, dusty gas is avoided directly to impact to cloth bag and cloth bag is caused to damage It is bad, while larger particles are directly fallen into ash bucket, under the action of negative pressure by the later dusty gas of baffle, are passed through cloth bag, are made Gas and dust are separated in cloth bag surface, and filtered clean gas was being used by being discharged after cloth bag through air outlet Cheng Zhong drives the helical blade in cloth bag to rotate, and generate when cloth bag surface dust accumulation thickness reaches 2~4mm by back-blowing device Centrifugal force makes cloth bag surface dust accumulation fall into ash bucket, and the dust in ash bucket is discharged through discharge port.
The helical blade is fixed on inside cloth bag using central axis, and central axis is free to rotate.
The baffle surface is evenly distributed with baffle fan blade, and baffle fan blade is fixed in baffle circular hole by bearing, and Baffle fan blade can 360 ° be freely rotated.
The baffle fan blade material therefor is 304 stainless steel plates with a thickness of 2~4mm.
The back-blowing device uses compressed air for gas source, and compressed air pressure is 0.6~0.8MPa.
Material used in the helical blade is 302B stainless steel.
The beneficial effects of the present invention are:
(1) bag filter that the present invention develops in use, is made using the buffering of the baffle with baffle fan blade With slowing down the dusty gas into bag filter directly to the percussion of cloth bag, can effectively avoid dusty gas to cloth bag Directly wash away caused by cloth bag be lost, reduce maintenance of equipment frequency, effectively reduce manpower and material resources;
(2) the bag filter blowback that the present invention develops is high-efficient, during blowback, drives cloth bag using purge gas The helical blade of middle installation rotates, and generates centrifugal force, reaches the efficient removing to cloth bag all angles dust accumulation, and have benefited from baffle The interception function of fan blade can make most crude particle fall directly into ash bucket, and excessive coarse granule is avoided to be adsorbed in cloth bag surface, influence Blowback effect can be such that cloth bag surface dust accumulation falls into ash bucket, save energy consumption without multiple blowback in use, tool Have broad application prospects.
Detailed description of the invention:
Fig. 1 is bag-type dust collector organigram of the present invention.
Fig. 2 is shutter configuration schematic diagram in the present invention.
Fig. 3 is helical blade organigram in the present invention.
Wherein, 1, dust collector box body;2, blowback system;3, cloth bag;4, helical blade;5, support frame;6, discharge port;7, go out Air port;8, air inlet;9, baffle;10, baffle fan blade;11, ash bucket.
Specific embodiment
A kind of bag-type dust collector, including dust collector box body 1, dust collector box body outside the top are equipped with air outlet 7, outlet air Air inlet 8 is equipped with below mouthful, dust collector box body lower half is equipped with ash bucket 11, and hopper bottom is equipped with discharge port 6, dust collector box body It is fixed on ground by the support frame 5 that bottom is installed, the top is equipped with back-blowing device 2, back-blowing device inside dust collector box body Above cloth bag 3, it is characterised in that: helical blade 4 is installed, and in cloth bag installation position inside dust collector box body inside cloth bag It sets side and is equipped with baffle 9, be evenly distributed with baffle fan blade 10 on baffle;When using the bag-type dust collector, dusty gas Enter dust collector box body 1 by air inlet 8, under airflow function, drives 10 turns of the equally distributed baffle fan blade above of baffle 9 It is dynamic, avoid dusty gas from causing cloth bag to damage the directly impact of cloth bag 3, while larger particles are directly fallen into ash bucket 11, are led to It crosses the later dusty gas of baffle 9 under the action of negative pressure, passes through cloth bag 3, gas and dust is enable to separate on 3 surface of cloth bag, Filtered clean gas is discharged after passing through cloth bag 3 through air outlet 7, in use, when 3 surface dust accumulation thickness of cloth bag reaches When 2~4mm, drives the helical blade 4 in cloth bag 3 to rotate by back-blowing device 2, and generate centrifugal force, fall 3 surface dust accumulation of cloth bag Enter ash bucket 11, the dust in ash bucket 11 is discharged through discharge port 6.The helical blade 4 is fixed in cloth bag 3 using central axis Portion, and central axis is free to rotate.9 surface of baffle is evenly distributed with baffle fan blade 10, and baffle fan blade 10 passes through bearing Be fixed in 9 circular hole of baffle, and baffle fan blade 10 can 360 ° be freely rotated.The baffle fan blade material therefor is with a thickness of 2 304 stainless steel plates of~4mm.The back-blowing device uses compressed air for gas source, compressed air pressure be 0.6~ 0.8MPa.Material used in the helical blade 4 is 302B stainless steel.

Claims (6)

1. a kind of bag-type dust collector, including dust collector box body (1), dust collector box body outside the top is equipped with air outlet (7), out Air inlet (8) are equipped with below air port, dust collector box body lower half is equipped with ash bucket (11), and hopper bottom is equipped with discharge port (6), is removed The support frame (5) that dirt device cabinet is installed by bottom is fixed on ground, and the top is equipped with back-blowing device inside dust collector box body (2), back-blowing device is located above cloth bag (3), it is characterised in that: is equipped with inside cloth bag helical blade (4), and dust collector box body Inside is equipped with baffle (9) in cloth bag installation site side, is evenly distributed with baffle fan blade (10) on baffle;
When using the bag-type dust collector, dusty gas enters dust collector box body (1) by air inlet (8), makees in air-flow Under, baffle (9) equally distributed baffle fan blade (10) rotation above is driven, dusty gas is avoided directly to impact cloth bag (3) And cause cloth bag to damage, while larger particles are directly fallen into ash bucket (11), by the later dusty gas of baffle (9) in negative pressure Under effect, passes through cloth bag (3), so that gas and dust is separated on cloth bag (3) surface, filtered clean gas passes through cloth bag (3) it is discharged by air outlet (7), in use, when dust accumulation thickness reaches 2~4mm when cloth bag (3) surface, is filled by blowback Setting (2) drives the helical blade (4) in cloth bag (3) to rotate, and generates centrifugal force, and cloth bag (3) surface dust accumulation is made to fall into ash bucket (11), the dust in ash bucket (11) is discharged through discharge port (6).
2. a kind of bag-type dust collector according to claim 1, it is characterised in that: during the helical blade (4) utilizes It is internal that mandrel is fixed on cloth bag (3), and central axis is free to rotate.
3. a kind of bag-type dust collector according to claim 1, it is characterised in that: described baffle (9) surface is uniformly divided It is furnished with baffle fan blade (10), baffle fan blade (10) is fixed in baffle (9) circular hole by bearing, and baffle fan blade (10) can be 360 ° It is freely rotated.
4. a kind of bag-type dust collector according to claim 1, it is characterised in that: the baffle fan blade material therefor is With a thickness of 304 stainless steel plates of 2~4mm.
5. a kind of bag-type dust collector according to claim 1, it is characterised in that: the back-blowing device is empty using compression Gas is gas source, and compressed air pressure is 0.6~0.8MPa.
6. a kind of bag-type dust collector according to claim 1, it is characterised in that: material used in the helical blade (4) Matter is 302B stainless steel.
CN201710424444.1A 2017-06-07 2017-06-07 A kind of bag-type dust collector Active CN107158826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710424444.1A CN107158826B (en) 2017-06-07 2017-06-07 A kind of bag-type dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710424444.1A CN107158826B (en) 2017-06-07 2017-06-07 A kind of bag-type dust collector

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CN107158826A CN107158826A (en) 2017-09-15
CN107158826B true CN107158826B (en) 2019-04-12

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107626156A (en) * 2017-11-17 2018-01-26 合肥合意环保机电装备制造有限公司 A kind of energy-saving type spiral blanking deduster
CN109289374B (en) * 2018-10-18 2021-04-13 倍杰特集团股份有限公司 Ceramic filter tube
CN111569553B (en) * 2019-12-01 2022-03-01 陈迎春 Dust removal sack and sack cleaner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452617A (en) * 1982-12-27 1984-06-05 Allis-Chalmers Corporation Dirty gas inlet for a filter in a baghouse installation
CN104548800B (en) * 2014-12-23 2017-02-22 浙江洁宇环保装备科技有限公司 Industrial dust collector
CN205699845U (en) * 2016-04-19 2016-11-23 合肥海宇雪公生物科技开发有限公司 A kind of New Modified Starch charging dust arrester

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Effective date of registration: 20190319

Address after: 410205 12 blocks 102, Jindao Industrial Park Area A, 169 Huizhi Middle Road, Yuelu District, Changsha City, Hunan Province

Applicant after: CHANGSHA JIUXIN TECHNOLOGY CO., LTD.

Address before: 213102 Room 1705, Times Business Plaza, Xinbei District, Changzhou City, Jiangsu Province

Applicant before: Changzhou Kun Yao Textile Co. Ltd.

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