CN201140008Y - Positive pressure inverse air draft bag-type dust-collector - Google Patents
Positive pressure inverse air draft bag-type dust-collector Download PDFInfo
- Publication number
- CN201140008Y CN201140008Y CNU2007201297275U CN200720129727U CN201140008Y CN 201140008 Y CN201140008 Y CN 201140008Y CN U2007201297275 U CNU2007201297275 U CN U2007201297275U CN 200720129727 U CN200720129727 U CN 200720129727U CN 201140008 Y CN201140008 Y CN 201140008Y
- Authority
- CN
- China
- Prior art keywords
- dust
- ash bucket
- pipe
- back suction
- air
- 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.)
- Expired - Fee Related
Links
- 239000003638 reducing agent Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 abstract description 43
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001186 cumulative Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
The utility model provides a positive pressure back suction bag-type dust remover, comprising a body, filter bags, a fan with particulates, an air distribution reducer pipe, a dust hopper and a dust conveying pipe. Each filter chamber above the body is internally equipped with a plurality of filter bags, a funnel is arranged above the filter bags, the dust hopper is arranged below the filter chambers, the lower end of the dust hopper is equipped with a dust removing device connected with the dust conveying pipe, the air distribution reducer pipe is communicated with the dust hopper via an air inlet valve, the air distribution reducer pipe is connected with an outlet of the fan with particulates, the air distribution reducer pipe is connected with a reverse air absorbing pipe through a bifurcated pipe and a reverse air absorbing valve, and the reverse air absorbing pipe is directly connected with an inlet of the fan with particulates. A secondary dust hopper which is internally equipped with a material level instrument is arranged between the dust hopper and the dust conveying pipe, and the lower end of the secondary dust hopper is connected with the dust conveying pipe via a gate valve. The bag type dust remover is reasonable in structure, easy in production, complete in removing dust, low in operating cost and fine in air locking effect, avoids secondary absorption and secondary dust blowing, reduces running resistance, and is particularly adaptable to collecting dust which is superfine and has low proportion.
Description
Affiliated technical field
The utility model relates to a kind of dust arrester, particularly a kind of malleation back suction wind sleeve formula deduster.
Background technology
At present, malleation back suction wind deduster is mainly used in mine heat furnace smelting and produces in the treating flour dust work of flue gas, reclaims the oxidize soot of the economically valuable in the flue gas.Existing malleation back suction wind deduster generally adopts the dust-laden blower fan in the air blast of deduster front, and the back is aided with the back suction blower fan and carries out back suction and the air-flow of back suction drum is again advanced version in the deduster.But the back suction blower fan is in running, and not only rapid wear also makes operating cost improve; And, because the oxidize soot adhesiveness is strong in the flue gas that mine heat furnace smelting produced, existing malleation back suction wind sleeve formula deduster belongs to weak wind dust cleaning form, back suction wind can not get off the complete back suction of the dust on filter bag surface, and these oxidize soot are fine, light specific gravity, free settling not for a long time, when the dust in the filter bag also floats in air, new filter has begun, the air-flow that the aerial dust that floats is filtered again is adsorbed onto the filter bag surface again, has formed the second adsorption phenomenon, is unfavorable for that the deashing of filter bag is handled, cause deduster resistance increase after operation a period of time, can not run well.In addition, the discharge valve that the ash bucket cinder-discharging port of existing malleation back suction wind sleeve formula deduster is adopted is generally the electronic discharge apparatus of single-stage, Pneumatic reverse turning bed valve, and this type of device for discharging exists the shortcoming that can not realize locking wind when unloading ash; The employing simply connected flap valve that also has, duplex weight flap valve etc., this class device for discharging exists valve plate not seal fully, especially it is poorer to be under the state of operation under positive pressure its sealing property at malleation back suction wind deduster, thereby make lock wind effect all be difficult to be guaranteed, cause the part dusty gas to spray, cause the reentrainment of dust phenomenon from cinder-discharging port.
The utility model content
For overcoming the deficiencies in the prior art part, the utility model provide a kind of deashing thoroughly, avoid second adsorption, running resistance is little, operating cost is low, air leakage coefficient is little, it is fine to be applicable to, the malleation back suction wind sleeve formula deduster of the dust collection of light specific gravity.
The technical scheme that its technical problem that solves the utility model adopts is: comprise body, filter bag, dust-laden blower fan, equal wind reducer pipe, ash bucket and grey material conveying tube road; Be provided with several filter bags in each filter chamber of body top, the top of filter chamber is provided with chimney, and the below of filter chamber is provided with ash bucket, and the lower end of ash bucket is provided with discharge apparatus and links to each other with grey material conveying tube road; All the wind reducer pipe interlinks through air intake valve and ash bucket; All the wind reducer pipe links to each other with the outlet of dust-laden blower fan; All the wind reducer pipe links to each other with the back suction airduct through bifurcated pipe, back suction air-valve; It is characterized in that: the back suction airduct directly links to each other with the import of dust-laden blower fan.Like this, cancelled in the existing similar deduster and be used for the back suction blower fan of high pressure back suction, thereby reduced operate power and operating cost, reduced running device and wearing detail.When the air intake valve of deduster close, when the back suction air-valve is opened, the filter chamber by the back suction airduct, utilize the suction function of dust-laden blower fan to realize opposite inhale cleaning dust, and can make that being suspended in airborne dust drops in the ash bucket as early as possible, and avoided the generation of second adsorption, deashing is more thorough.
For solving the problem of leaking out of ash bucket bottom, between ash bucket and grey material conveying tube road, be provided with the secondary ash bucket, be provided with level-sensing device in the secondary ash bucket, the lower end of secondary ash bucket links to each other with grey material conveying tube road through slide valve.Be in closed condition at normal condition lower flashboard valve, the collection ash of ash bucket at first enters in the secondary ash bucket deposits collection, and after the ash of the collection in the secondary ash bucket arrived certain position, level-sensing device transmitted signal immediately, open the slide valve of secondary ash bucket lower end, and start grey material conveying tube road.Like this, when discharge valve unloaded ash, the slide valve of below was in buttoned-up status, and by means of the dust of sedimentation, realized the purpose of locking wind fully, had avoided reentrainment of dust.
The beneficial effects of the utility model are: rational in infrastructure, be easy to make, deashing is thorough, avoids second adsorption, has reduced running resistance and operating cost is low, and lock wind is effective, has avoided reentrainment of dust, is specially adapted to dust collection fine, light specific gravity.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the right view of Fig. 1.
Among the figure: 1 is that dust-laden blower fan, 2 is that back suction airduct, 3 is that equal wind reducer pipe, 4 is that card, 5 is that filter bag, 6 is that chimney, 7 is that deflector, 8 is that air intake valve, 9 is that back suction air-valve, 10 is that ash bucket, 11 is that discharger, 12 is that secondary ash bucket, 13 is that grey material conveying tube road, 14 is that level-sensing device, 15 is that body, 16 is that filter chamber, 17 is that bifurcated pipe, 18 is a slide valve.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model mainly comprises body 16, filter bag 5, dust-laden blower fan 1, equal wind reducer pipe 3, ash bucket 10, secondary ash bucket 12 and grey material conveying tube road 13; Be provided with several filter bags 5 in each filter chamber 16 of body 15 tops, the top of filter chamber 16 is provided with chimney 6, and the below of filter chamber 16 is provided with ash bucket 10, and the lower end of ash bucket 10 is provided with discharge apparatus 11.All wind reducer pipe 3 interlinks through air intake valve 8 and ash bucket 10; All wind reducer pipe 3 links to each other with the outlet of dust-laden blower fan 1; All wind reducer pipe 3 links to each other with back suction airduct 2 through bifurcated pipe 17, back suction air-valve 9.All wind reducer pipe 3 links to each other with the outlet of dust-laden blower fan 1; Bifurcated pipe 17 links to each other with back suction airduct 2 through back suction air-valve 9; Back suction airduct 2 directly links to each other with the import of dust-laden blower fan 1.Be provided with secondary ash bucket 12 in the lower end of ash bucket 10, be provided with level-sensing device 14 in the secondary ash bucket 12, the lower end of secondary ash bucket 14 links to each other with grey material conveying tube road 13 through slide valve 18.
During work, the dusty gas that pollutes source of the gas is drawn by dust-laden blower fan 1 through pipeline, under the effect of dust-laden blower fan 1, blown into and carried out equal wind processing in the equal wind reducer pipe 3, enter ash bucket 10 through air intake valve 8, dust-contained airflow evenly enters in each filter bag 5 under the effect of deflector 7, and see through filter bag 5 from inside to outside, and dust is by the inner surface of detention in filter bag 5, and purified gas is discharged by the chimney 6 at top.Along with filtering constantly carrying out of operating mode, the dust on filter bag 5 inner surfaces is cumulative, and the running resistance of equipment increases gradually, in order to guarantee the normal operation of system, the upper limit of dust remover resistance maintains 1200～1600Pa usually, when surpassing this limited range, then carries out opposite inhale cleaning dust.Earlier air intake valve 8 cuts out, the air-valve of back suction simultaneously 9 is opened, the suction function contraction distortion that this moment, filter bag 5 was provided because of dust-laden blower fan 1 and back suction airduct 2, the part dust breaks away from filter bag 5 inner surfaces and carry out sedimentation under the effect of back suction air-flow, but because deashing force quantity not sufficient, filter bag 5 only is contraction distortion, and this moment, a lot of dust can not break away from filter bag 5; After treating 10 seconds, back suction air-valve 9 cuts out, air intake valve 8 reopens, and the malleation dusty gas is heaved filter bag 5 again immediately, and owing to the effect of opposition, the dust on the filter bag 5 broke away from filter bag 5 surfaces fully when filter bag 5 was heaved in moment.And then air intake valve 8 cuts out, back suction air-valve 9 is opened and is carried out the opposite inhale cleaning dust second time, and at this moment, the dust that breaks away from filter bag 5 surfaces enters ash bucket 10 sedimentations downwards with the back suction air-flow.After tens of second back suction air-valve 9 cuts out, the sedimentation deashing that this filter chamber 16 realizes under inactive states is opened air intake valve 8 behind the certain hour at interval again, and the filtration states recover in filter chamber 16, and enters next unit and carry out deashing, so by chamber circulation deashing.Dust under filter bag 5 is clear falls in the ash bucket 10, and the discharger 11 of ash bucket 10 lower ends (rigidity revolving plow reclaimer) commentaries on classics of not stopping transport will collect ash and send in the secondary ash bucket 12.In the outside portion of ash bucket 10 and be provided with vibrator, some cycles carries out the auxiliary ash that unloads of rapping at interval.When the dust in the secondary ash bucket 12 reach a certain height, level-sensing device 14 transmitted signal immediately, slide valve 18 is opened, and started grey material conveying tube road 13, concentrated the place of delivering to appointment to pack in dust.
Claims (2)
1, malleation back suction wind sleeve formula deduster comprises body, filter bag, dust-laden blower fan, equal wind reducer pipe, ash bucket and grey material conveying tube road; Be provided with several filter bags in each filter chamber of body top, the top of filter chamber is provided with chimney, and the below of filter chamber is provided with ash bucket, and the lower end of ash bucket is provided with discharge apparatus and links to each other with grey material conveying tube road; All the wind reducer pipe interlinks through air intake valve and ash bucket; All the wind reducer pipe links to each other with the outlet of dust-laden blower fan; All the wind reducer pipe links to each other with the back suction airduct through bifurcated pipe, back suction air-valve; It is characterized in that: the back suction airduct directly links to each other with the import of dust-laden blower fan.
2, malleation back suction wind sleeve formula deduster according to claim 1, it is characterized in that: be provided with the secondary ash bucket between ash bucket and grey material conveying tube road, be provided with level-sensing device in the secondary ash bucket, the lower end of secondary ash bucket links to each other with grey material conveying tube road through slide valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201297275U CN201140008Y (en) | 2007-12-26 | 2007-12-26 | Positive pressure inverse air draft bag-type dust-collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201297275U CN201140008Y (en) | 2007-12-26 | 2007-12-26 | Positive pressure inverse air draft bag-type dust-collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201140008Y true CN201140008Y (en) | 2008-10-29 |
Family
ID=40067725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201297275U Expired - Fee Related CN201140008Y (en) | 2007-12-26 | 2007-12-26 | Positive pressure inverse air draft bag-type dust-collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201140008Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526563A (en) * | 2014-12-23 | 2015-04-22 | 无锡市星亿涂装环保设备有限公司 | Polishing dust and waste gas treatment system |
| CN104524884A (en) * | 2014-12-24 | 2015-04-22 | 无锡市南长区科技创业服务中心 | Bag-type dust remover capable of avoiding secondary pollution |
| CN104958964A (en) * | 2015-05-28 | 2015-10-07 | 佛山市斯乐普特种材料有限公司 | Ultra-low emission dust-removal apparatus and ash removal method thereof |
| CN105561692A (en) * | 2015-10-16 | 2016-05-11 | 朱虹斐 | Efficient bag type dust remover |
| CN105999897A (en) * | 2016-07-05 | 2016-10-12 | 广西联壮科技股份有限公司 | Tail ash recovering device for bag-type dust remover |
-
2007
- 2007-12-26 CN CNU2007201297275U patent/CN201140008Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526563A (en) * | 2014-12-23 | 2015-04-22 | 无锡市星亿涂装环保设备有限公司 | Polishing dust and waste gas treatment system |
| CN104524884A (en) * | 2014-12-24 | 2015-04-22 | 无锡市南长区科技创业服务中心 | Bag-type dust remover capable of avoiding secondary pollution |
| CN104958964A (en) * | 2015-05-28 | 2015-10-07 | 佛山市斯乐普特种材料有限公司 | Ultra-low emission dust-removal apparatus and ash removal method thereof |
| CN104958964B (en) * | 2015-05-28 | 2017-02-08 | 广东斯乐普环保技术股份有限公司 | Ultra-low emission dust-removal apparatus and ash removal method thereof |
| CN105561692A (en) * | 2015-10-16 | 2016-05-11 | 朱虹斐 | Efficient bag type dust remover |
| CN105999897A (en) * | 2016-07-05 | 2016-10-12 | 广西联壮科技股份有限公司 | Tail ash recovering device for bag-type dust remover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |