CN200945409Y - 脉冲袋式除尘器 - Google Patents
脉冲袋式除尘器 Download PDFInfo
- Publication number
- CN200945409Y CN200945409Y CNU2006200749853U CN200620074985U CN200945409Y CN 200945409 Y CN200945409 Y CN 200945409Y CN U2006200749853 U CNU2006200749853 U CN U2006200749853U CN 200620074985 U CN200620074985 U CN 200620074985U CN 200945409 Y CN200945409 Y CN 200945409Y
- Authority
- CN
- China
- Prior art keywords
- air
- dust
- plate
- casing
- chamber
- 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
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- 239000000428 dust Substances 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 4
- 238000004887 air purification Methods 0.000 abstract 2
- 230000001629 suppression Effects 0.000 abstract 2
- 239000002245 particle Substances 0.000 description 3
- XEBWQGVWTUSTLN-UHFFFAOYSA-M Phenylmercury acetate Chemical compound 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Abstract
本实用新型公开了一种脉冲袋式除尘器，它包括箱体、灰斗、灰斗设置在箱体的下部，箱体内设有除尘室、进风室、排风室和净化气室，净化气室设置在箱体的上部、净化气室设有净化气出口且与排气室相通联，净化气出口由设置在箱体顶部的提升阀控制开通或关闭，箱体顶部设有脉冲阀、喷管和储气罐，还包括所述下花板一端的下方设有阻风板，下花板的下方设有预分离装置，预分离装置由布风板、均流锥和抑尘锥组成，均流锥设置在布风板的下方、抑尘锥设置在均流锥的下方。本实用新型广泛应用于含尘烟气的除尘。
Description
[0001] 技术领域
[0002] 本实用新型涉及一种除去含尘烟气中粉尘的设备，尤其是一种脉冲袋式除尘器。
[0003] 背景技术
[0004] 目前，建材行业中水泥厂的水泥立窑、烘干机等的含尘烟气的除尘，一般采用袋式除尘器。这类除尘器主要由底部钢结构、灰斗、排灰阀、箱体、进出风口、上花板、滤袋、下花板、净化气室、清灰装置等组成。其工作原理是，含尘气体由进风口进入，经过灰斗时，气体中部分大颗粒粉尘受惯性力作用被分离出来，落入灰斗底部。含尘气体通过下花板进入箱体中的滤袋，气体穿过滤袋，粉尘被阻留在滤袋的内表面上。经滤袋过滤后干净的气体进入箱体净化气室并汇集由出风管排出。灰斗中的粉尘定时或连续由排灰阀排出。随着过滤过程的不断进行，滤袋内表面上的粉尘层积厚，除尘设备的阻力上升，当设备阻力上升到设定值时，清灰装置开始清灰。由于含尘气体从进风口进入除尘器内部时，与进风道上部的斜面直接碰撞向下运动，而其中一部分含尘气体未到达灰斗内锥面与之碰撞就直接通过下花板进入滤袋。这部分的含尘气体的含尘浓度较高，进入滤袋过滤时，使滤袋负荷率增大，从而增加脉冲清灰的频率，影响除尘器的除尘效率。
[0005] 实用新型内容
[0006] 本实用新型要解决的技术问题是提供一种脉冲袋式除尘器，该除尘器能够降低滤袋负荷率、减少脉冲清灰频率、提高除尘效率。
[0007] 为解决上述技术问题，本实用新型脉冲袋式除尘器，它包括箱体、灰斗、灰斗设置在箱体的下部，箱体内设有除尘室、进风室、排风室和净化气室，除尘室由上花板、滤袋和下花板组成、滤袋设置在上、下花板之间，进风室由含尘气体进口和进风道组成，排风室由净化气体排气口和排风道组成，净化气室设置在箱体的上部、净化气室设有净化气出口且与排气室相通联，净化气出口由设置在箱体顶部的提升阀控制开通或关闭，箱体顶部设有脉冲阀、喷管和储气罐，喷管与脉冲阀相接、脉冲阀与储气罐相联，喷管与净化气室相通联，还包括下花板一端的下方设有阻风板，下花板的下方设有预分离装置，预分离装置由布风板、均流锥和抑尘锥组成，均流锥设置在布风板的下方、抑尘锥设置在均流锥的下方。
[0008] 由于采用阻风板，含尘气体必须经过阻风板下端边与灰斗内锥面之间的空间，从而避免了浓度较高的含尘气体直接由下花板进入滤袋。由于在下花板的下方设有粉尘预分离装置，含尘气体在进入滤袋之前，必须先通过该装置，含尘气体的颗粒与该装置的锥面碰撞、失去动能落入灰斗内，含尘气体的粉尘得到预分离，从而使含尘气体中的粉尘浓度得到降低；粉尘浓度得到降低的含尘气体通过粉尘预分离装置的布风板时，一方面含尘气体能够均匀进入滤袋，另一方面一部分的含尘气体与布风板相碰撞、失去动能下落到灰斗内、含尘气体的粉尘得到进一步的分离，其粉尘浓度得到进一步的降低。因此避免了浓度较高的含尘气体进入滤袋，克服滤袋负荷率大的现象，从而减少脉冲清灰频率，提高除尘器的除尘效率。
[0009] 附图说明
[0010] 下面结合附图和实施例对本实用新型作进一步说明。
[0011] 附图是本实用新型的结构示意图。
[0012] 附图中1.脉冲阀，2.提升阀，3.储气罐，4.喷管，5.净化气室，6.净化气出口，7.上花板，8.净化气体体排气口，9.滤袋，10.下花板，11.含尘气体进口，12.阻风板，13.布风板，14.均流锥，15.抑尘锥，16.灰斗，17.排灰阀，18.支架，19.箱体。
[0013] 具体实施方式
[0014] 附图中，箱体19由支架18支撑，箱体19的下部设有灰斗16，灰斗16的下方设有排灰阀17。箱体19的内部设有除尘室、进风室、排风室和净化气室5、，除尘室由上花板7、滤袋9和下花板10构成，滤袋9设置在上花板7与下花板10之间。进风室由含尘气体进口11和进风道组成，排风室由净化气体排气口8和排风道组成。净化气室5设置在箱体19的上部、净化气室5设有净化气出口6且与排气室相通联，净化气出口6由设置在箱体19顶部的提升阀2控制开通或关闭，箱体19顶部设有脉冲阀1、喷管4和储气罐3，喷管4与脉冲阀1相接、脉冲阀1与储气罐3相联，喷管4与净化气室5相通联。为了防止含尘气体不与灰斗16内锥面碰撞就直接通过下花板进入滤袋，在下花板10的一端设有阻风板12。这样当含尘气体进入灰斗16时，阻风板12强制含尘气体与灰斗16的内锥面碰撞，失去动能的粉尘颗粒落入灰斗16内，含尘气体的浓度得到降低。为了使含尘气体中的粉尘得到预分预、使其浓度得到进一步的降低，在下花板10的下方设有预分离装置，预分离装置由布风板13、均流锥14和抑尘锥15构成，均流锥14设置在布风板13的下方，抑尘锥15设置在均流锥14的下方，布风板13为均匀设有若干通气孔的平板；均流锥14为空心锥面体，均流锥14设有多个，一般至少设有3个；抑尘锥15为空心锥体。含尘气体在进入滤袋之前，必须先通过预分离装置，含尘气体的颗粒与该装置的均流锥14和抑尘锥15相碰撞、失去动能落入灰斗16内，使含尘气体的浓度得到进一步的降低；得到进一步降低的含尘气体通过预分离装置的布风板12时，一方面含尘气体能够均匀进入滤袋9，另一方面一部分的含尘气体与布风板12相碰撞、失去动能下落到灰斗内、含尘气体的浓度得到又一次的降低。因此避免了浓度较高的含尘气体直接进入滤袋9，克服滤袋9负荷率大的现象，从而减少脉冲清灰频率，提高除尘器的除尘效率。
Claims (1)
1.一种脉冲袋式除尘器，它包括箱体、灰斗、灰斗设置在箱体的下部，箱体内设有除尘室、进风室、排风室和净化气室，除尘室由上花板、滤袋和下花板组成、滤袋设置在上、下花板之间，进风室由含尘气体进口和进风道组成，排风室由净化气体排气口和排风道组成，净化气室设置在箱体的上部、净化气室设有净化气出口且与排气室相通联，净化气出口由设置在箱体顶部的提升阀控制开通或关闭，箱体顶部设有脉冲阀、喷管和储气罐，喷管与脉冲阀相接、脉冲阀与储气罐相联，喷管与净化气室相通联，其特征在于：还包括所述下花板一端的下方设有阻风板，所述下花板的下方设有预分离装置，该装置由布风板、均流锥和抑尘锥组成，均流锥设置在布风板的下方、抑尘锥设置在均流锥的下方。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816862B (zh) * | 2010-01-25 | 2011-10-05 | 江苏新中环保股份有限公司 | 袋式除尘器中提升阀门的安装结构 |
| CN101816863B (zh) * | 2010-01-25 | 2011-10-05 | 江苏新中环保股份有限公司 | 袋式除尘器中铰链式阀门的安装结构 |
| CN101396629B (zh) * | 2007-09-27 | 2011-11-30 | 贵阳铝镁设计研究院有限公司 | 一种布袋除尘器及其制作方法 |
| CN103706213A (zh) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | 旋风布袋除尘器装置 |
| CN107952298A (zh) * | 2017-12-11 | 2018-04-24 | 盐城市赛隆节能技术工程有限公司 | 一种气箱脉冲袋式除尘器 |
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2006
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396629B (zh) * | 2007-09-27 | 2011-11-30 | 贵阳铝镁设计研究院有限公司 | 一种布袋除尘器及其制作方法 |
| CN101816862B (zh) * | 2010-01-25 | 2011-10-05 | 江苏新中环保股份有限公司 | 袋式除尘器中提升阀门的安装结构 |
| CN101816863B (zh) * | 2010-01-25 | 2011-10-05 | 江苏新中环保股份有限公司 | 袋式除尘器中铰链式阀门的安装结构 |
| CN103706213A (zh) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | 旋风布袋除尘器装置 |
| CN107952298A (zh) * | 2017-12-11 | 2018-04-24 | 盐城市赛隆节能技术工程有限公司 | 一种气箱脉冲袋式除尘器 |
| CN107952298B (zh) * | 2017-12-11 | 2020-06-30 | 江苏赛隆节能技术工程股份有限公司 | 一种气箱脉冲袋式除尘器 |
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