CN102247736A - Novel compact electric bag composite dust remover - Google Patents

Novel compact electric bag composite dust remover Download PDF

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Publication number
CN102247736A
CN102247736A CN2011101985793A CN201110198579A CN102247736A CN 102247736 A CN102247736 A CN 102247736A CN 2011101985793 A CN2011101985793 A CN 2011101985793A CN 201110198579 A CN201110198579 A CN 201110198579A CN 102247736 A CN102247736 A CN 102247736A
Authority
CN
China
Prior art keywords
dust removal
bag
dust collector
distribution device
removal device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011101985793A
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Chinese (zh)
Inventor
赵江翔
刘惠勇
李圣良
项光明
李湘滨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING LONGDIAN HONGTAI ENVIRONMENT TECHNOLOGY CO LTD
Original Assignee
BEIJING LONGDIAN HONGTAI ENVIRONMENT TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING LONGDIAN HONGTAI ENVIRONMENT TECHNOLOGY CO LTD filed Critical BEIJING LONGDIAN HONGTAI ENVIRONMENT TECHNOLOGY CO LTD
Priority to CN2011101985793A priority Critical patent/CN102247736A/en
Publication of CN102247736A publication Critical patent/CN102247736A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a dust removal device for controlling industrial flue gas pollution. In order to solve the problems that the conventional dust removal device using a serial united removal technical principle has a large number of fault points and is inconvenient to overhaul, dust removal efficiency cannot be fully ensured, and the like, a structural form of an electric dust removal area air flow distribution device, an electrostatic dust removal device, a cloth bag area air flow distribution device and a rotary blowing cloth bag dust removal device which are arranged along the air flow direction in turn is adopted, and the invention provides an electric bag composite dust remover which has a novel and compact serial structure and high dust removal efficiency, is convenient to overhaul and uniformly distributes air flow and in which the electrostatic dust removal device has high reliability and the cloth bag dust removal device is provided with a small number of pulse valves.

Description

A kind of novel compact electric bag complex dust collector
Technical field
The present invention relates to a kind of dust arrester that industrial smoke pollutes of controlling, relate in particular to a kind of novel compact electric bag complex dust collector of forming by electric precipitation district airflow distribution device, electrostatic precipitator, cloth bag district airflow distribution device and rotary blowing bag-type dust collector etc.
Background technology
In industrial production, in thermal power generation, manufacture of cement, metallurgy industry, usually can produce the gas that contains a large amount of dust., before atmosphere, must purify these a large amount of gas rows that carry particulate matter by dust arrester.
Along with the raising of country to the industrial dust discharged standard, if will obtain higher efficiency of dust collection, the deduster of different principle can be combined by special mode, the particulate matter in the dust-contained airflow is united remove.Such as can be according to actual exhaust gas volumn and dust content, traditional electrostatic precipitator and the outside series connection of sack cleaner, compact series connection or tight the mixing are used, coupling by to the cooperation-removal and the deashing process of particulate matter realizes high as far as possible efficiency of dust collection.
Unite with tandem at present that to remove be that the compound type dust remover design feature of know-why is with uses of connecting of traditional electrostatic precipitator and fixing row winding-up sack cleaner, this structure exists that the electrostatic precipitator reliability is weak, pulse valve quantity causes that the trouble point increases more, maintenance inconvenience and do not reach problems such as designing dust removing effects because the air-flow skewness brought.
Summary of the invention
The purpose of this invention is to provide a kind of novel series-mode frame, adopt cramped construction, electrostatic precipitator good reliability, bag-type dust collector pulse valve quantity is few, maintenance is convenient, air-flow is evenly distributed and efficiency of dust collection is high electricity bag composite dedusting device.
For achieving the above object, electrostatic precipitator of the present invention vertically is divided into two sub-districts, adopts the switched-mode power supply mode, has improved the electrostatic precipitator reliability of operation.Flue gas carries out pre-dedusting by electrostatic precipitator; the design efficiency of electrostatic precipitator 〉=75%; most of dust granules in the flue gas can be caught by electrostatic precipitator; remain about about 25% fine dust through after the charged effect of electric field, do not caught and enter into the rotary blowing bag-type dust collector by electric field.
The present invention all is provided with special airflow distribution device in electrostatic precipitation district and bag-type dust district, guarantees that different design and running requirements is satisfied in the air-flow distribution in electrostatic precipitator district and bag-type dust district, has guaranteed device subregion and whole efficiency of dust collection.
Rotary blowing bag-type dust collector of the present invention is made of filter bag chamber, air-purifying chamber, heavy caliber pulse valve, swiveling jetting device, gas outlet and ash bucket etc.The rotary blowing bag-type dust collector is inner to distribute by rational flue gas flow field, realized that filter bag bundle periphery flue gas low speed is to diffusion all around, avoided of the wearing and tearing of local jet, also avoided simultaneously the load situation of skewness of the reentrainment of dust that causes from the air inlet of ash bucket top and air-flow filter bag that skewness causes filter bag.
Rotary blowing bag-type dust collector of the present invention adopts bigbore pulse valve, and every pulse valve can be jetted and be reached thousands of filter bags, has reduced the usage quantity of pulse valve, and the pulse valve quantity supporting as the 300MW unit only is 8.Owing to adopted the pulse valve of lesser amt, judge the position of pulse valve trouble point easily, the trouble point is reduced.And conventional injection technology adopts small-bore pulse valve, quantity is many, be difficult for finding the particular location of down pulse valve, if because of 2~3 pulse valves break down or are not closed completely, can cause compressed air line to leak, the pressure of compressed air piping is reduced, cause the whole soot cleaning system cisco unity malfunction of dust arrester.
Rotary blowing bag-type dust collector of the present invention is because the turning arm of pulse dust cleaning is free to rotate, cloth bag, a bag cage are conveniently taken out and packs into, need not picture row blowing bag-type dust remover, behind the dismounting pulse jet pipe, just can carry out more changing jobs of filter bag earlier.
Owing to adopt lower pulse dust cleaning pressure and good air-flow to distribute, the filtrate of rotary blowing bag-type dust collector is than the filtrate long service life of conventional at present long bag and low pulse winding-up sack cleaner.
Show through engineering measurement, adopt electricity bag composite dedusting device of the present invention, exhanst gas outlet dust content≤30mg/m 3(mark attitude), device body resistance≤1200Pa, device efficiency of dust collection 〉=99.99%.
Description of drawingsThe present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the main cross-sectional schematic of a kind of novel compact electric bag complex dust collector of the present invention.
Among the figure: 1. air inlet, 2. electric precipitation district airflow distribution device, 3. electrostatic precipitator, 4. cloth bag district airflow distribution device, 5. rotary blowing bag-type dust collector, 6. heavy caliber pulse valve, 7. swiveling jetting device, 8. air-purifying chamber, 9. filter bag chamber, 10, ash bucket, 11. gas outlets.
The specific embodimentIn Fig. 1, be disposed with air inlet (1), electric precipitation district airflow distribution device (2), electrostatic precipitator (3), cloth bag district airflow distribution device (4) and rotary blowing bag-type dust collector (5) along airflow direction.The rotary blowing bag-type dust collector is made up of filter bag chamber (9), air-purifying chamber (8), heavy caliber pulse valve (6), swiveling jetting device (7), gas outlet (11) and ash bucket (10) etc.
When novel compact electric bag complex dust collector is in duty; ash-laden gas is by air inlet (1); laggardly go into electrostatic precipitator (3) and carry out pre-dedusting through electric precipitation district airflow distribution device (2) is uniform; most of dust granules in the flue gas can be caught by electrostatic precipitator (3); remain about fine dust of about 25% through after the charged effect of electric field; do not caught by cloth bag district airflow distribution device (4), through reasonably entering in the rotary blowing bag-type dust collector (5) after the flue gas flow field distribution by electric field.The flue gas that contains fine dust is attached to the filter bag surface by filter bag chamber (9) after filter bag filters, by the deashing effect of heavy caliber pulse valve (6) and swiveling jetting device (7), dust releasing to ash bucket (10) is discharged.Clean flue gas enters atmosphere by air-purifying chamber (8) and gas outlet (11).

Claims (3)

1. novel compact electric bag complex dust collector, form by electric precipitation district airflow distribution device, electrostatic precipitator, cloth bag district airflow distribution device and rotary blowing bag-type dust collector, it is characterized in that: be disposed with electric precipitation district airflow distribution device, electrostatic precipitator, cloth bag district airflow distribution device and rotary blowing bag-type dust collector along airflow direction.
2. a kind of novel compact electric bag complex dust collector according to claim 1, it is characterized in that: electrostatic precipitator vertically is divided into two sub-districts, adopts the switched-mode power supply mode.
3. a kind of novel compact electric bag complex dust collector according to claim 1 is characterized in that: in electrostatic precipitator zone and rotary blowing bag-type dust collector zone special airflow distribution device is set all.
CN2011101985793A 2011-07-15 2011-07-15 Novel compact electric bag composite dust remover Pending CN102247736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101985793A CN102247736A (en) 2011-07-15 2011-07-15 Novel compact electric bag composite dust remover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101985793A CN102247736A (en) 2011-07-15 2011-07-15 Novel compact electric bag composite dust remover

Publications (1)

Publication Number Publication Date
CN102247736A true CN102247736A (en) 2011-11-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101985793A Pending CN102247736A (en) 2011-07-15 2011-07-15 Novel compact electric bag composite dust remover

Country Status (1)

Country Link
CN (1) CN102247736A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102641637A (en) * 2012-04-10 2012-08-22 安徽省元琛环保科技有限公司 Dust removal system with novel bypass device
CN111167254A (en) * 2020-03-09 2020-05-19 马啸天 Flour dust fall explosion-proof equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147522A (en) * 1976-04-23 1979-04-03 American Precision Industries Inc. Electrostatic dust collector
CN2855536Y (en) * 2005-11-15 2007-01-10 江苏宇达电站辅机阀门制造有限公司 Dust collector using electricity and cloth
CN202151542U (en) * 2011-07-15 2012-02-29 北京龙电宏泰环保科技有限公司 Novel compact type electric-bag composite dust removal device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147522A (en) * 1976-04-23 1979-04-03 American Precision Industries Inc. Electrostatic dust collector
CN2855536Y (en) * 2005-11-15 2007-01-10 江苏宇达电站辅机阀门制造有限公司 Dust collector using electricity and cloth
CN202151542U (en) * 2011-07-15 2012-02-29 北京龙电宏泰环保科技有限公司 Novel compact type electric-bag composite dust removal device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102641637A (en) * 2012-04-10 2012-08-22 安徽省元琛环保科技有限公司 Dust removal system with novel bypass device
CN102641637B (en) * 2012-04-10 2014-03-26 安徽省元琛环保科技有限公司 Dust removal system with bypass device, one for use and one for spare
CN111167254A (en) * 2020-03-09 2020-05-19 马啸天 Flour dust fall explosion-proof equipment
CN111167254B (en) * 2020-03-09 2021-11-09 宁夏法福来食品股份有限公司 Flour dust fall explosion-proof equipment

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Application publication date: 20111123