CN201308799Y - Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing - Google Patents

Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing Download PDF

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Publication number
CN201308799Y
CN201308799Y CNU2008201771995U CN200820177199U CN201308799Y CN 201308799 Y CN201308799 Y CN 201308799Y CN U2008201771995 U CNU2008201771995 U CN U2008201771995U CN 200820177199 U CN200820177199 U CN 200820177199U CN 201308799 Y CN201308799 Y CN 201308799Y
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China
Prior art keywords
dust removing
bag
electric
flat bag
dust
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Expired - Fee Related
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CNU2008201771995U
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Chinese (zh)
Inventor
强永祥
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Individual
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Individual
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Priority to CNU2008201771995U priority Critical patent/CN201308799Y/en
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Publication of CN201308799Y publication Critical patent/CN201308799Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a flat-bag pulsating dust remover combining electric dust removing with bag dust removing, which relates to dedust devices. The prior electricity-bag composite dust remover combines an electric dust remover with a traditional bag dust remover, and has the defects that the air flow distribution is nonuniform and the prior electric dust removing and bag dust removing effects are not fully performed. The technology of the utility model is providing a method that the last interval, of which the structure is the same as that of the electric duct remover and an electric dust removing unit, is designed to adopt a flat-bag dust remover arranged in parallel, besides, a dust removing device thereof adopts a translating structure of a pulsating cylinder piston nozzle; the utility model has the beneficial effects of small occupied area, uniform air flow distribution, high dust removing efficiency, small operation resistance, long service life of a filter bag, fewer components such as valves and the like, and low operation cost, etc.

Description

The electric cloth pulsation of flat bag deashing compound type dust remover
Technical field
The utility model relates to dust arrester, is specifically related to the electric cloth pulsation of the flat bag deashing compound type dust remover that electric precipitation is combined with bag-type dust.
Background technology
Along with rapid economy development, the raising day by day of living standards of the people, control requires more and more strictness to atmosphere in country, also the performance and the reliability of cleaner is had higher requirement simultaneously.Along with the increasingly stringent of discharge standard, electric cleaner and sack cleaner all exist the deficiency that self is difficult to go beyond, and rely on electric cleaner or sack cleaner to be difficult to the dust removing effects that reaches desirable merely.
And present electric cloth complex type dust remover all is to adopt electric cleaner to combine with the conventional cloth bag deduster, and there is following shortcoming in it: 1, air-flow skewness.Every cloth bag smoke treatment amount differs bigger, generally more than 20%, and the highest differing more than 10 times.The cloth bag that the smoke treatment amount is big very easily damages, and moves normally that the cloth bag turnover rate is up to more than the 5%-15% more than 1 year, and all will change cloth bag every year; 2, it is big to use moving component amount such as various valves, accident rate height like this, and the maintenance renewal amount in every year is big; 3, can not give full play to existing electric precipitation effect, electric precipitation air-flow skewness, efficiency of dust collection is low; The conventional cloth bag deduster takes up room greatly, need utilize two electric field space; Sack cleaner inlet dust content height like this, cleaning cycle is short, and cloth bag is just shortened service life greatly; 4, the sack cleaner resistance is big.Because the airflow uniform distribution plate has been installed between electric cleaner and sack cleaner, flue gas has break-in several times to exhanst gas outlet in deduster, and resistance just increases between 300~500Pa, and the deduster operation energy consumption is increased, and operating cost increases; 5, conventional cloth bag deduster long construction period, because conventional cloth bag need be utilized 2 grades of electric fields, making will be changed and reinforce to the top roof boarding, between electric cleaner and sack cleaner the airflow uniform distribution plate will be installed; 6, conventional cloth bag deduster, cloth bag is fixed an end, and the other end is in free state, during deashing, very easily causes between filter bag distortion and filter bag and weares and teares the probability that has so just caused cloth bag very easily to damage under the effect of external force.
The utility model content
In order to solve deficiency of the prior art, the utility model provides and is suitable for a kind of electric cloth pulsation of the flat bag of dust arrester deashing compound type dust remover (one or more electric precipitations unit can be combined with flat bag deduster) that electric cleaner and flat bag deduster are combined.
The technical scheme that realizes above-mentioned purpose is:
The electric cloth pulsation of flat bag deashing compound type dust remover comprises electric precipitation unit and flat bag dust removing units,
The electric precipitation unit comprises air inlet smoke box, shell structure and negative electrode, anode and ash bucket, and shell structure is provided with crossbeam, the column of fixed anode plate and cathode line; Be respectively first electric field or second electric field, positive plate and cathode line are connected to form the electric precipitation unit by crossbeam, column, are connected and fixed by column and side wall between each electric field, and the lower end of housing is provided with one or more ash bucket ash holes;
The inside, a district behind the electric precipitation unit is provided with flat bag dust removing units, flat bag dust removing units comprises shell structure, flat bag filtration system and deashing mechanism and ash bucket, the smoke box of giving vent to anger, flat bag deduster be horizontally set on the same shell structure in electric precipitation unit in, each flat bag is connected to form flat bag dust removing units by crossbeam, column, forward and backward crossbeam, be provided with deashing mechanism in flat bag dust removing units rear end, ash-clearing structure is the parallel-moving type structure of pulsation cylinder piston nozzle.
Operation principle of the present utility model is: flue gas enters by the air inlet smoke box, electrically charged under the effect of the negative electrode of dust in shell structure, according to the principle that there is a natural attraction between the sexes, particle diameter more than 90% is attracted on the positive plate greater than the charged dust of 10 μ m, the less dust of particle diameter enters the further dedusting of flat bag deduster again, because it is less to enter the dust size of flat bag deduster, dust content in the flue gas is also very low, so just reduced the wearing and tearing of dust, prolonged the service life of cloth bag cloth bag; The deashing flue gas is that the clean flue gas that will obtain from the air-introduced machine rear pass carries out deashing by the parallel-moving type structure of cylinder piston nozzle to flat bag deduster; So just reduced the paste bag probability of filter bag, made filter bag improve filtration velocity; Dust is discharged by the ash bucket ash hole.
The utlity model has following beneficial effect:
1, prolongs the shelf life of filter cloth.As sack cleaner, at same filtering material, under the situation of filtration velocity and same flue gas medium, dust granules is less, and dust content is low more, the shelf life of filter cloth is just long more, deduster of the present utility model is used these characteristics exactly, and electric cleaner is removed bulky grain, and its one-level of process or two-stage dust removal greatly reduce the dust content in the flue gas, like this with regard to the long-term use that guaranteed filter cloth and be not damaged, thereby prolonged service life of filter bag.
2, air-flow is evenly distributed.The relative conventional cloth bag deduster of sack cleaner that the utility model is used, because its inlet velocity is very low, during the inlet gas speed of general sack cleaner≤5m/s, air-flow distributes just more even, gas approach speed≤the 1.2m/s of sack cleaner of the present utility model, air-flow distributes just quite even, has also just obtained prolongation the service life of filter cloth; To the electric precipitation unit because flat bag dust removing units is exactly a rearmounted porous airflow-distribution board, thereby the air-flow of electric precipitation unit also distribute quite even, thereby also improved the efficiency of dust collection of electric precipitation unit greatly.
3, the utility model also has certain desulfurizing function of guaranteeing the minimum, and desulfurization degree can reach 6.7%-10%.
4, running resistance is little.Flue gas enters sack cleaner from electric cleaner in the utility model, and the centre does not need the airflow uniform distribution plate, does not also change the flow direction of flue gas.
5, the transformation of the electric cleaner of practical especially old power plant.The utility model technology is at the width that does not increase former electric cleaner, height and do not change under the situation of original structure, change last electric field into flat bag deduster and can become electric cloth complex dust collector, the retrofit work amount is little, short construction period, investment can be lower than the expense of independent employing electric cleaner or sack cleaner, and concentration of emission can long-term stability remain on below the 50mg/m3 simultaneously, and the complete machine combination property improves greatly, dust removal efficiency reaches more than 99.99%, and resistance remains on 1000-1200Pa.Just to increase the pressure head of former air-introduced machine.
6, the utility model can combine with one or more electric precipitations unit.
Description of drawings
Fig. 1 is the structural representation of the electric cloth pulsation of the flat bag of the utility model deashing compound type dust remover
Fig. 2 is the principle schematic of the electric cloth pulsation of the flat bag of the utility model deashing compound type dust remover
The name of each sequence number is called among the figure:
1-air inlet smoke box, 2-negative electrode, 3-crossbeam, 4-flat bag deduster, 5-soot cleaning system, 6-give vent to anger smoke box, 7-column, 8-ash hole, 9-positive plate
The specific embodiment
Fig. 1 has shown a kind of embodiment of the present utility model.
The electric cloth pulsation of flat bag deashing compound type dust remover comprises electric precipitation unit and flat bag dust removing units,
Flue gas at first enters the electric precipitation unit, by 1 air inlet smoke box, enter shell structure, is issued to first order dedusting in the effect of 2 negative electrodes, 9 anodes, and the particle diameter more than 90% is removed greater than 10 μ m dust, and dust is discharged by the ash hole of 8 ash buckets; Pass through the further dedusting of filter bag of 4 flat bags of dust removing units again through the ash-laden gas of primary dust removing, thereby reach below the discharge standard 50mg/m3, dust removal efficiency reaches more than 99.99%, flat bag filtration system reaches the effect of deashing by the parallel-moving type structures of 5 pulsation cylinder piston nozzles, dust is discharged by the ash hole of 8 ash buckets again, clean flue gas is discharged by 6 smoke boxes of giving vent to anger, thereby realizes very high dust removing effects.

Claims (1)

1, the electric cloth pulsation of flat bag deashing compound type dust remover comprises electric precipitation unit and flat bag dust removing units;
The electric precipitation unit comprises air inlet smoke box, shell structure and negative electrode, anode and ash bucket, and shell structure is provided with the crossbeam column of fixed anode plate and cathode line; Be respectively first electric field, second electric field, positive plate and cathode line are connected to form the electric precipitation unit by crossbeam, are connected and fixed by column and side wall between each electric field, and the lower end of housing also is provided with one or more ash holes;
The inside, a district is provided with flat bag dust removing units behind the electric precipitation unit, flat bag dust removing units comprises shell structure, flat bag filtration system and deashing mechanism and ash bucket, the smoke box of giving vent to anger, flat bag deduster be horizontally set on the same shell structure in electric precipitation unit in, each flat bag is connected to form flat bag dust removing units by the front and back crossbeam, be provided with deashing mechanism in flat bag dust removing units rear end, ash-clearing structure is the parallel-moving type structure of pulsation cylinder piston nozzle.
CNU2008201771995U 2008-11-11 2008-11-11 Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing Expired - Fee Related CN201308799Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201771995U CN201308799Y (en) 2008-11-11 2008-11-11 Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201771995U CN201308799Y (en) 2008-11-11 2008-11-11 Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing

Publications (1)

Publication Number Publication Date
CN201308799Y true CN201308799Y (en) 2009-09-16

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Application Number Title Priority Date Filing Date
CNU2008201771995U Expired - Fee Related CN201308799Y (en) 2008-11-11 2008-11-11 Flat-bag pulsating composite dust remover combining electric dust removing with bag dust removing

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837216B (en) * 2009-12-22 2012-01-11 福建龙净环保股份有限公司 Electrostatic-bag composite dust-collector
CN108159819A (en) * 2017-08-25 2018-06-15 贾新奎 A kind of solid-state flue gas processing device for Chemical Engineering Laboratory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837216B (en) * 2009-12-22 2012-01-11 福建龙净环保股份有限公司 Electrostatic-bag composite dust-collector
CN108159819A (en) * 2017-08-25 2018-06-15 贾新奎 A kind of solid-state flue gas processing device for Chemical Engineering Laboratory

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090916

Termination date: 20131111