CN102059026A - High-efficiency pre-separation pulse bag-type dust collector - Google Patents
High-efficiency pre-separation pulse bag-type dust collector Download PDFInfo
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- CN102059026A CN102059026A CN2009102198181A CN200910219818A CN102059026A CN 102059026 A CN102059026 A CN 102059026A CN 2009102198181 A CN2009102198181 A CN 2009102198181A CN 200910219818 A CN200910219818 A CN 200910219818A CN 102059026 A CN102059026 A CN 102059026A
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Abstract
The invention relates to a high-efficiency pre-separation pulse bag-type dust collector. The high-efficiency pre-separation pulse bag-type dust collector comprises a dust collector air outlet formed on an upper box body, and a dust collector air inlet formed on the lower part of a middle box body; a blowpipe, a nozzle, a framework and a cloth bag are arranged in the middle box body; the dust collector air inlet is formed on the upper part of the middle box body, and a separator is arranged between the dust collector air inlet and the framework; the cloth bag is arranged on the framework; and a guide plate is arranged below the separator. The high-efficiency pre-separation pulse bag-type dust collector has the advantages that: the motion distance of flue gas and particles inside the dust collector is increased, the adsorption efficiency of alumina particles is improved, the adsorption effect in the whole purification process is improved, gas-solid separation is realized before dust reaches a filter bag, the compressed air consumption is reduced, the load of the filter bag is reduced, and the service life of the filter bag is prolonged. The dust collector is limited to an electrolysis flue gas purification system, and can be applied to other industries of dust removal and flue gas purification.
Description
Technical field
The present invention relates to a kind of sack cleaner, relate in particular to a kind of flue dust that can be applicable to industries such as coloured, iron and steel, cement and reclaim efficient pre-separation pulsed jet cloth filter in administering.
Background technology
In electrolytic aluminum smoke dry cleaning process, sack cleaner plays an important role, it not only plays Chalk-dust filtering, the effect of trap particulate matter, filter course on the cloth bag also plays hydrofluoric effect in the absorption flue gas, discover that nearly about 5% hydrogen fluoride adsorbs in the electrolysis flue gas on the deduster filter course.Therefore be the visual plant that guarantees the efficient absorption of hydrogen fluoride.The deduster that present domestic electrolytic aluminium factory is used is divided into two kinds, a kind of be blowback wind deduster, a kind of be traditionally pulse dust collector, these two kinds of dedusters are in the process of using, can satisfy the effect of efficient trap particulate matter, its efficiency of dust collection is generally more than 99.9%, and granular material discharged concentration can reach 10mg/Nm
3Below.But also there is following technical problem in deduster in running: (1) air-flow is at the inner skewness of deduster, and the air velocity of subregion reaches 3～5 meter per seconds, and the flow velocity of subregion maintains 0～0.5 meter per second; (2) alumina particle and flue gas undercompounding can not finely be finished the effect of adsorption reaction; (3) the filter bag load is heavy, will add a large amount of alumina particles in the pipeline before reaction, and granule density reaches 100～150g/m
3, this part particle major part is brought on the filter bag, causes the filter bag load heavy, and deashing is frequent; (4) life of bag filter is short, and maintenance capacity is big.
Summary of the invention
The present invention is exactly in order to solve the problems of the technologies described above, and provide a kind of efficient pre-separation pulsed jet cloth filter, purpose is the mixability that increases particle and flue gas, improve absorption of hydrogen fluoride efficient, realize the gas-solid pre-separation, reduce the cloth bag load, prolong cloth bag service life, and then reduce construction investment and operating cost.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions, efficient pre-separation pulsed jet cloth filter, comprise upper box body, middle part casing, be located at the deduster gas outlet of upper box body and be located at the middle part lower box the deduster air inlet, in the casing of middle part, be provided with winding-up pipe, nozzle, skeleton and cloth bag, described deduster air inlet is located at casing top, middle part, between deduster air inlet and skeleton, be provided with division board, skeleton is provided with cloth bag, and the below of division board is provided with deflector.
Described skeleton below is provided with deflector.
The height of described skeleton is lower than the height of division board.
Described skeletal fixation is on card.
Described card is provided with the hole, and the hole is that asymmetric arrangement is on card.
The top of described card is provided with winding-up pipe and nozzle, and winding-up pipe and nozzle are located at the bottom of upper box body.
Described winding-up pipe below is provided with drainage tube.
Described winding-up pipe is connected with upper box body electromagnetic impulse valve outward.Be provided with gas bag between described winding-up pipe and the electromagnetic impulse valve.
Described electromagnetic impulse valve is located at the top or the sidepiece of upper box body.
Described skeleton merogenesis is provided with, and is the 2-10 joint.
Described upper box body and lower part box are provided with access door.
Described upper box body is provided with peep hole.
The deflector of described division board below is one or more levels.
The below of described middle part casing is a lower part box, is provided with overflow pipe, pulp cutlet and cycle stock mouth on lower part box.
Described deduster gas outlet is located at the top of upper box body.
Advantageous effect of the present invention: by changing the internal structure of deduster, increase deflector, change the design of dust remover roof winding-up pipeline etc., change deduster and import and export the position, increase flue gas and particle move distance in deduster inside, increase the adsorption efficiency of alumina particle, improved the adsorption effect of whole purification process, filter bag has not been set, thereby increased effective usable floor area of filter bag in the air-flow blind area, the drainage system effect is to increase the air flow blowing amount, the direction of regular winding-up air-flow, the air-flow that prevents to jet do not increase the air motion resistance simultaneously from the partial center phenomenon, skeleton fixture, the perpendicularity of assurance skeleton.The deflector of skeleton below, effect is regular airflow direction, and air-flow is moved vertically upward.Deduster can an independent use or multi-platform combined use.Deduster can supportingly have checkout gears such as pressure, temperature, flow.Deduster can supporting pulse control instrument or supporting automatic control equipment.Realize the effect of air-flow at the inner evenly distribution of deduster, gas solid separation, reduction deduster load, increase the mixability of particle and flue gas, before dust arrives filter bag, realize gas solid separation, reduced compressed air consumption simultaneously, reduce the filter bag load, prolong life of bag filter.The present invention not only is confined to the electrolysis flue gas cleaning system, also can be applicable to other dedusting and gas cleaning industry.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of winding-up pipe, nozzle and drainage tube.
Among the figure: 1, deduster air inlet; 2, deduster gas outlet; 3, division board; 4, deflector; 5, middle part casing; 6, skeleton; 7, card; 8, winding-up pipe; 9, nozzle; 10, upper box body; 11, gas bag and electromagnetic impulse valve; 12, lower part box; 13, overflow pipe; 14, pulp cutlet; 15, cycle stock mouth; 16, access door; 17, peep hole; 18, drainage tube; 19, gas bag.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail, but protection scope of the present invention is not limit by schematic diagram.
As depicted in figs. 1 and 2, the efficient pre-separation pulsed jet cloth filter of the present invention, comprise upper box body 10, middle part casing 5, be located at the deduster gas outlet 2 and the deduster air inlet 1 that is located at middle part casing 5 of upper box body 10, in middle part casing 1, be provided with winding-up pipe 8, nozzle 9, skeleton 6 and cloth bag, deduster air inlet 1 is located at casing 5 tops, middle part, between deduster air inlet 4 and skeleton 6, be provided with division board 3, skeleton 6 is provided with cloth bag, the below of division board 3 is provided with deflector 4, skeleton 6 belows are provided with deflector 4, skeleton 6 merogenesis settings, be the 2-10 joint, the deflector of division board 3 and skeleton 6 belows is one or more levels, the height of skeleton 6 is lower than the height of division board 3, skeleton 6 is fixed on the card 7, card 7 is provided with the hole, the hole is that asymmetric arrangement is on card 7, the top of card 7 is provided with winding-up pipe 8 and nozzle 9, winding-up pipe 8 and nozzle 9 are located at the bottom of upper box body 10, nozzle 9 belows are provided with drainage tube 18, winding-up pipe 8 and upper box body 10 outer electromagnetic impulse valves 11 are connected, jet manage 8 and electromagnetic impulse valve 11 between be provided with gas bag 19, electromagnetic impulse valve 11 is located at the top or the sidepiece of upper box body 10.
Be provided with access door 16 on upper box body 10 and lower part box 12, upper box body 10 is provided with peep hole 17, is provided with overflow pipe 13, pulp cutlet 14 and cycle stock mouth 15 on lower part box 12, and deduster gas outlet 2 is located at the top of upper box body 10.The pipeline of deduster gas outlet is sitting on the body of deduster.
Operation principle of the present invention: the mist of alumina particle and flue gas enters deduster from deduster air inlet 1, and the mist that enters behind the deduster impinges upon on the division board 2.Because the inertia of gas and particle is different, primary separation is carried out in gas-solid on division board 2.The particle that separates enters in the lower part box 12, and the deflector 4 that gas after the separation mixes through division board 2 belows enters the filter bag bottom, pass through the deflector 4 of skeleton 6 belows again after, flue gas moves vertically upward, enters filter bag.Particle is adsorbed on the filter bag, and flue gas enters upper box body 10 after by the hole on the card 7, and 2 discharge from the deduster gas outlet.Hang over the effect of aluminium oxide filtering layer by gas bag and electromagnetic pulse on the filter bag, behind compressed air spraying by winding-up pipe 8 and nozzle 9, fall into lower part box 12, wherein a part enters through overflow pipe 13 and returns the aluminium oxide induction system, and a part enters inlet pipeline through cycle stock mouth 15 and participates in reaction.When deduster overhauls, deduster interior oxidation aluminium is discharged casing by pulp cutlet 14.
Claims (16)
1. efficient pre-separation pulsed jet cloth filter, comprise upper box body, middle part casing, be located at the deduster gas outlet of upper box body and be located at the middle part lower box the deduster air inlet, in the casing of middle part, be provided with winding-up pipe, nozzle, skeleton and cloth bag, the below of middle part casing is a lower part box, it is characterized in that described deduster air inlet is located at casing top, middle part, be provided with division board between deduster air inlet and skeleton, skeleton is provided with cloth bag, and the below of division board is provided with deflector.
2. efficient pre-separation pulsed jet cloth filter according to claim 1 is characterized in that described skeleton below is provided with deflector.
3. efficient pre-separation pulsed jet cloth filter according to claim 2 is characterized in that the height of described skeleton is lower than the height of division board.
4. efficient pre-separation pulsed jet cloth filter according to claim 2 is characterized in that described skeletal fixation is on card.
5. efficient pre-separation pulsed jet cloth filter according to claim 4 is characterized in that described card is provided with the hole, and the hole is that asymmetric arrangement is on card.
6. efficient pre-separation pulsed jet cloth filter according to claim 4 is characterized in that the top of described card is provided with winding-up pipe and nozzle, and winding-up pipe and nozzle are located at the bottom of upper box body.
7. efficient pre-separation pulsed jet cloth filter according to claim 6 is characterized in that described nozzle below is provided with drainage tube.
8. efficient pre-separation pulsed jet cloth filter according to claim 6 is characterized in that the outer electromagnetic impulse valve of described winding-up pipe and upper box body is connected.
9. efficient pre-separation pulsed jet cloth filter according to claim 8 is characterized in that being provided with gas bag between described winding-up pipe and the electromagnetic impulse valve.
10. efficient pre-separation pulsed jet cloth filter according to claim 8 is characterized in that described electromagnetic impulse valve is located at the top or the sidepiece of upper box body.
11. efficient pre-separation pulsed jet cloth filter according to claim 4 is characterized in that the setting of described skeleton merogenesis, is the 2-10 joint.
12. efficient pre-separation pulsed jet cloth filter according to claim 1 is characterized in that described upper box body and lower part box are provided with access door.
13. efficient pre-separation pulsed jet cloth filter according to claim 12 is characterized in that described upper box body is provided with peep hole.
14. efficient pre-separation pulsed jet cloth filter according to claim 1 is characterized in that the deflector of described division board below is one or more levels.
15. efficient pre-separation pulsed jet cloth filter according to claim 1 is characterized in that described lower part box is provided with overflow pipe, pulp cutlet and cycle stock mouth.
16. efficient pre-separation pulsed jet cloth filter according to claim 1 is characterized in that described deduster gas outlet is located at the top of upper box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102198181A CN102059026A (en) | 2009-11-12 | 2009-11-12 | High-efficiency pre-separation pulse bag-type dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102198181A CN102059026A (en) | 2009-11-12 | 2009-11-12 | High-efficiency pre-separation pulse bag-type dust collector |
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| CN102059026A true CN102059026A (en) | 2011-05-18 |
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| CN2009102198181A Pending CN102059026A (en) | 2009-11-12 | 2009-11-12 | High-efficiency pre-separation pulse bag-type dust collector |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397726A (en) * | 2011-11-01 | 2012-04-04 | 科林环保装备股份有限公司 | Blast furnace coal gas overlong pulse bag type dust collector |
| CN102794059A (en) * | 2012-09-10 | 2012-11-28 | 绵阳师范学院 | Method for purifying paroxysmal intermittent exhaust smoke |
| CN102940996A (en) * | 2012-11-29 | 2013-02-27 | 廊坊德基机械科技股份有限公司 | Multi-layer cloth bag-type dust collector |
| CN103623648A (en) * | 2013-11-05 | 2014-03-12 | 张家港保税区多元机械设备制造有限公司 | Silo-top dust remover |
| CN103768873A (en) * | 2014-01-23 | 2014-05-07 | 冀文平 | Flue gas dust-removal and purification device |
| CN103861394A (en) * | 2014-03-20 | 2014-06-18 | 中国五环工程有限公司 | Impact-preventing and damping type bag filter |
| CN104275052A (en) * | 2013-07-08 | 2015-01-14 | 安徽威达环保科技股份有限公司 | Bag-type dust collector with air flow distribution and dust-air pre-separation |
| CN104971579A (en) * | 2015-06-30 | 2015-10-14 | 成都市新都区鑫悦空气净化设备厂 | High-efficiency carpentry central deduster |
| CN105126529A (en) * | 2015-10-08 | 2015-12-09 | 泰安中意重型工业设备有限公司 | Method and device for inorganized emission flying dust pollution government |
| CN111514693A (en) * | 2020-06-11 | 2020-08-11 | 安徽天顺环保设备股份有限公司 | Dust remover ash removal device and method for flue gas of mine smoke furnace |
-
2009
- 2009-11-12 CN CN2009102198181A patent/CN102059026A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397726A (en) * | 2011-11-01 | 2012-04-04 | 科林环保装备股份有限公司 | Blast furnace coal gas overlong pulse bag type dust collector |
| CN102794059A (en) * | 2012-09-10 | 2012-11-28 | 绵阳师范学院 | Method for purifying paroxysmal intermittent exhaust smoke |
| CN102940996A (en) * | 2012-11-29 | 2013-02-27 | 廊坊德基机械科技股份有限公司 | Multi-layer cloth bag-type dust collector |
| CN104275052A (en) * | 2013-07-08 | 2015-01-14 | 安徽威达环保科技股份有限公司 | Bag-type dust collector with air flow distribution and dust-air pre-separation |
| CN104275052B (en) * | 2013-07-08 | 2016-05-18 | 安徽威达环保科技股份有限公司 | A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas |
| CN103623648A (en) * | 2013-11-05 | 2014-03-12 | 张家港保税区多元机械设备制造有限公司 | Silo-top dust remover |
| CN103768873A (en) * | 2014-01-23 | 2014-05-07 | 冀文平 | Flue gas dust-removal and purification device |
| CN103861394A (en) * | 2014-03-20 | 2014-06-18 | 中国五环工程有限公司 | Impact-preventing and damping type bag filter |
| CN104971579A (en) * | 2015-06-30 | 2015-10-14 | 成都市新都区鑫悦空气净化设备厂 | High-efficiency carpentry central deduster |
| CN105126529A (en) * | 2015-10-08 | 2015-12-09 | 泰安中意重型工业设备有限公司 | Method and device for inorganized emission flying dust pollution government |
| CN111514693A (en) * | 2020-06-11 | 2020-08-11 | 安徽天顺环保设备股份有限公司 | Dust remover ash removal device and method for flue gas of mine smoke furnace |
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Application publication date: 20110518 |