CN104275052B - A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas - Google Patents
A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas Download PDFInfo
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- CN104275052B CN104275052B CN201310288772.5A CN201310288772A CN104275052B CN 104275052 B CN104275052 B CN 104275052B CN 201310288772 A CN201310288772 A CN 201310288772A CN 104275052 B CN104275052 B CN 104275052B
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- tunnel
- casing
- guide vane
- air inlet
- airintake wind
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- 238000009826 distribution Methods 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 238000010943 off-gassing Methods 0.000 claims abstract description 4
- 239000003500 flue dust Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 26
- 239000003546 flue gas Substances 0.000 abstract description 26
- 239000007789 gas Substances 0.000 abstract description 21
- 239000000428 dust Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Separating Particles In Gases By Inertia (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas, comprise: comprising: ash bucket, middle part casing, upper box body, airintake wind-tunnel, outgassing wind-tunnel and air inlet guide tank and dirt gas pre-separating system, ash bucket is connected on middle part bottom half, in the casing of middle part, be provided with filter bag, upper box body (3) is connected on casing top, middle part, described airintake wind-tunnel is arranged on middle part casing upper lateral part, and in this airintake wind-tunnel, be provided with air inlet guide tank, on this air inlet guide tank, be provided with venetian blind type guide vane, venetian blind type guide vane hides the air inlet between airintake wind-tunnel and middle part casing, and make its gradient in airintake wind-tunnel be no less than 8 degree, the invention has the advantages that: reduce overall manufacturing cost, use flue gas is even, low and the stable each filter bag of middle part in casing that enter of flow velocity, avoid flue gas directly to wash away filter bag, in flue gas, after dust settling, flown upward again.
Description
Technical field
The present invention relates to sack cleaner equipment, especially a kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas.
Background technology
Along with the development of fiber bag precipitator technology with in the extensive utilization of conglomerate, the applied deduster knot of different industriesConfiguration formula is slightly different, is response national industrial policies requirement, and each sack cleaner manufacturer is also constantly complete according to industryKind, to improve deduster version. At present the intake method of all large-scale sack cleaners is divided into substantially: from ash bucket air inlet andMiddle part lower box air inlet, above two kinds of intake methods are to the king-sized operating mode of dust content in flue gas, as cement grinding mill, raw material, there is very large drawback in mill, slag milling etc., as air-flow skewness, flue gas directly washes away filter bag, in flue gas after dust settlingKicked up again, flue gas in the casing of middle part between speed high, increase heavy etc. the problem of filter bag load, have a strong impact on fiber bag precipitatorServiceability, energy consumption increase finally cause operating cost to increase.
Summary of the invention
The present invention, in order to solve above-mentioned weak point, provides a kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas, separatesThe design of existing fiber bag precipitator intake method of determining is unreasonable, air-flow skewness, and flue gas directly washes away powder in filter bag, flue gasThe drawback such as kicked up again after dirt sedimentation.
In order to address the aforementioned drawbacks, the present invention includes: ash bucket, middle part casing, upper box body and airintake wind-tunnel and the wind of giving vent to angerRoad, ash bucket is connected on middle part bottom half, in the casing of middle part, is provided with filter bag, and upper box body is connected on casing top, middle part, its featureBe: described airintake wind-tunnel is arranged on middle part casing upper lateral part, and in this airintake wind-tunnel, is provided with air inlet guide tank, and this entersOn gas guide tank, be provided with venetian blind type guide vane, this venetian blind type guide vane hides between airintake wind-tunnel and middle part casingAir inlet, and make its gradient in airintake wind-tunnel be no less than 8 degree.
Preferably, every guide vane of venetian blind type guide vane all adds blade stiffener and the fixing round steel of blade, and entiretyBe fixed on the inwall between front side board and the back side panel of air inlet guide tank.
Preferably, the gradient preferred value of venetian blind type guide vane in airintake wind-tunnel is 8.5 degree.
Preferably, be also provided with dirt gas pre-separating system, dirt gas pre-separating system is located at middle part casing inner bottom part filter bag one side, and withAsh bucket is communicated with, and dirt gas pre-separating system master is welded by slide carriage, baffle plate, fixed transverse rod, its inner reserved flue dust collecting skyChamber, flue dust collecting cavity is separated into some even equal portions by flow distribution plate.
Beneficial effect of the present invention: through enforcement after, reduce overall manufacturing cost, use flue gas even, flow velocity low and stablize intoEnter the each filter bag in the casing of middle part, avoid flue gas directly to wash away in filter bag, flue gas and flown upward again after dust settling, simultaneously flue dustMiddle big dust particle can be caught by dirt gas pre-separating system, finally enters ash bucket, avoid directly washing away, and powder at largeDirt, is distributed in flue gas from bottom to top according to granular size, and after ash-laden gas slowly enters the diverse location of bag chamber, dust is at cloth bagDiffering heights be adsorbed.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is inlet air flue structure figure of the present invention.
Fig. 3 is monolithic guide vane structure chart of the present invention.
Fig. 4 is dirt gas pre-separating system structure chart of the present invention.
Detailed description of the invention
Following detailed description of the invention, and the invention will be further described by reference to the accompanying drawings.
With reference to Fig. 1, Fig. 2, the present invention is a kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas, mainly comprises:Ash bucket 1, middle part casing 2, upper box body 3, airintake wind-tunnel 4, outgassing wind-tunnel 5 and air inlet guide tank and dirt gas pre-separation systemSystem 8. Ash bucket 1 is dust collection device, mainly collects sack cleaner and filters the useless dirt after flue gas, and conventional ash bucket 1 shape is generalFor funnel-form, its present position is in deduster bottom, and four angles of ash bucket 1 are provided with the support column for supporting whole deduster10; Middle part casing 2 is connected to ash bucket 1 top, and its inside arranges filter bag 7, mainly collects the dust in flue gas, makes dust attachedOn filter bag 7, thereby play filtration, purification effect; Upper box body 3 is arranged on casing 2 tops, middle part, purified gasEnter upper box body 3 through filter bag opening, then discharged by the air outlet of the outgassing wind-tunnel 5 that is connected to upper box body 3.
Above-mentioned airintake wind-tunnel 4 is arranged on middle part casing 2 top one sides, and flue gas is in airintake wind-tunnel 4 enters middle part casing 2Portion. Be provided with air inlet guide tank in airintake wind-tunnel 4 inside, make flue gas must first after air inlet guide tank, enter again middle part casingIn 2, mainly play and disperse to enter flue gas in airintake wind-tunnel 4, make flue gas flow rate enter equably middle part casing 2 inner eachIndividual filter bag 7 avoids porch flue gas directly to wash away airintake wind-tunnel housing and filter bag 7 simultaneously, causes flue gas at intermediate distribution collectionIn, both sides distribute rare, large near blower fan end throughput, cause local filter bag 7 overloads, and local filter bag 7 was loadedLight phenomenon, has a strong impact on service life and the operational effect of filter bag 7, please refer to Fig. 2.
With reference to Fig. 2, Fig. 3, air inlet guide tank can be used as modular unit design, the manufacture of a standard, on-the-spot installation sideJust, interchangeability is stronger, its framework is the body structure that laths of metal is welded, can integral solder in airintake wind-tunnel 4, caseBody framework both sides are provided with front side board and back side panel, and bottom and the left and right sides are opening, without any blocking, front side board and afterBetween side plate inwall, be provided with some guide vanes 11, every guide vane 11 adopts circular arc, and arranges according to fixed range valueBecome venetian blind type guide vane 12, and distance value between guide vane 11 and guide vane 11 is generally according to exhaust gas volumn sizeDetermine. In practice, window formula guide vane 12 monoblocks airintake wind-tunnel 4 is interior need to be with certain gradient, and hideAir inlet between gas air channel 4 and middle part casing 2, the general gradient of window formula guide vane 12 is no less than 8 degree, gradientPreferred value is that 8.5 degree are good, when after 11 collisions of flue gas and guide vane, in flue gas bulky grain and slightly big dust particle due to weightMasterpiece is used as motion straight down, realizes sedimentation.
Preferably, on every guide vane 11, first adopt welding manner to add blade stiffener 14 and the fixing round steel of blade13, be then integrally fixed between the front side board and back side panel inwall of air inlet guide tank, wherein, blade stiffener 14 is mainly doneWith: the one, fixed guide vane 11 prevents that blade shake from appearring in guide vane 11 under the effect of high velocity air simultaneously; The 2nd,Combing air-flow, by streamlined flow, prevents that flue gas is at the interior appearance turbulent flow of airintake wind-tunnel 4. And fixing 13, the round steel of guide vane is being ledStream blade 11 one end are provided with, and role is the linearity that keeps plane on guide vane 11.
As Figure 1 and Figure 4, dirt gas pre-separating system 8 set positions are at middle part casing 2 inner bottom part filter bag 7 one sides, its endEnd is connected with ash bucket 1, and its Main Function is cooperation air inlet guide tank, catch in flue gas, after air inlet guide tank, do vertically toThe sedimentation bulky grain of lower motion and slightly big dust particle 9, avoid flue gas directly to wash away filter bag 7, and reduce filter bag 7 and filter load,Thereby reach dirt gas pre-separation effect. In an embodiment, the shell of dirt gas pre-separating system 8 is mainly by slide carriage 6, baffle plate17, the inverted triangle metal shell that fixed transverse rod 16 is welded, the inner reserved flue dust collecting cavity 18 of metal shell. Slide carriage 6As metal shell sloping portion, Main Function be when big dust particle and slightly big dust particle 9 do straight down in motion processAfter contacting with slide carriage 6, tumble ash bucket 1 along slide carriage 6, and described baffle plate 17 is vertical panels corresponding with slide carriage 6, its effectBe big dust particle to sedimentation again and slightly big dust particle 9 gas stop, avoid directly washing away filter bag 7; Flue dust collectingCavity 18 plays big dust particle and the slightly effect of bulky grain powder 6 of collecting, and its bottom is connected with ash bucket 1, big dust particleSlightly big dust particle 9 can tumble into ash bucket 1 along slide carriage 6. In embodiments, flue dust collecting cavity 18 inside canAdopt flow distribution plate 15 to be divided into some even equal portions, flue gas dispersibles into multiple uniform parts and enters dirt gas and divide in advance like thisFrom system 8n inside, shunting effect is better.
Claims (4)
1. there is air-flow and distribute and the sack cleaner of dirt gas pre-separation function, comprising: ash bucket (1), middle part casing (2),Upper box body (3) and airintake wind-tunnel (4) and outgassing wind-tunnel (5), ash bucket (1) is connected on the bottom of middle part casing (2),In middle part casing (2), be provided with filter bag (7), upper box body (3) is connected on the top of middle part casing (2), and its feature existsIn: described airintake wind-tunnel (4) is arranged on the upper lateral part of middle part casing (2), and is provided with in this airintake wind-tunnel (4)Air inlet guide tank, is provided with venetian blind type guide vane on this air inlet guide tank and every guide vane is circular arc, describedVenetian blind type guide vane hides the air inlet between airintake wind-tunnel (4) and middle part casing (2), and makes it at airintake wind-tunnel(4) gradient in is no less than 8 degree, is also provided with dirt gas pre-separation system in middle part casing (2) inner bottom part filter bag (7) one sidesSystem (8), dirt gas pre-separating system (8) bottom is connected with ash bucket (1), and the shell of described dirt gas pre-separating system is mainThe inverted triangle metal shell being welded by slide carriage (6), baffle plate (17), fixed transverse rod (16), this inverted triangle metal-backThe inner reserved flue dust collecting cavity (18) of body.
2. the sack cleaner with air-flow distribution and dirt gas pre-separation function according to claim 1, is characterized in that: instituteEvery guide vane of venetian blind type guide vane of stating all adds blade stiffener (14) and the fixing round steel (13) of blade, andIntegrally be fixed on the inwall between front side board and the back side panel of air inlet guide tank.
3. the sack cleaner with air-flow distribution and dirt gas pre-separation function according to claim 1, is characterized in that: instituteThe gradient preferred value of the venetian blind type guide vane of stating in airintake wind-tunnel (4) is 8.5 degree.
4. the sack cleaner with air-flow distribution and dirt gas pre-separation function according to claim 1, is characterized in that: instituteThe flue dust collecting cavity (18) of stating is separated into some even equal portions by flow distribution plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288772.5A CN104275052B (en) | 2013-07-08 | 2013-07-08 | A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288772.5A CN104275052B (en) | 2013-07-08 | 2013-07-08 | A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas |
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| Publication Number | Publication Date |
|---|---|
| CN104275052A CN104275052A (en) | 2015-01-14 |
| CN104275052B true CN104275052B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310288772.5A Active CN104275052B (en) | 2013-07-08 | 2013-07-08 | A kind of sack cleaner with air-flow distribution and the pre-separation of dirt gas |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554075B (en) * | 2017-10-20 | 2019-12-13 | 中钢集团天澄环保科技股份有限公司 | Bag type dust collector with vertical air inlet at top |
| CN109718605B (en) * | 2019-01-30 | 2020-09-08 | 西安菲尔特金属过滤材料股份有限公司 | Method for manufacturing metal fiber long filter bag with excellent ash removal effect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2761244Y (en) * | 2005-01-06 | 2006-03-01 | 合肥水泥研究设计院 | Low pressure long double-side pulse bag type dust separator |
| CN102059026A (en) * | 2009-11-12 | 2011-05-18 | 沈阳铝镁设计研究院 | High-efficiency pre-separation pulse bag-type dust collector |
| CN102125787A (en) * | 2010-01-19 | 2011-07-20 | 哈尔滨辰能工大环保科技股份有限公司 | Runoff long-bag low-pressure pulse bag type dust collector |
-
2013
- 2013-07-08 CN CN201310288772.5A patent/CN104275052B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2761244Y (en) * | 2005-01-06 | 2006-03-01 | 合肥水泥研究设计院 | Low pressure long double-side pulse bag type dust separator |
| CN102059026A (en) * | 2009-11-12 | 2011-05-18 | 沈阳铝镁设计研究院 | High-efficiency pre-separation pulse bag-type dust collector |
| CN102125787A (en) * | 2010-01-19 | 2011-07-20 | 哈尔滨辰能工大环保科技股份有限公司 | Runoff long-bag low-pressure pulse bag type dust collector |
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| CN104275052A (en) | 2015-01-14 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A bag filter with air flow distribution and dust gas pre separation Effective date of registration: 20211018 Granted publication date: 20160518 Pledgee: Hanshan Tongda Financing Guarantee Co.,Ltd. Pledgor: ANHUI WEIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980010863 |
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Date of cancellation: 20230329 Granted publication date: 20160518 Pledgee: Hanshan Tongda Financing Guarantee Co.,Ltd. Pledgor: ANHUI WEIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980010863 |
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Denomination of invention: A bag filter with airflow distribution and dust gas pre separation Granted publication date: 20160518 Pledgee: Hanshan County sub branch of Postal Savings Bank of China Ltd. Pledgor: ANHUI WEIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2024980015018 |
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