CN86205194U - 旋转气流湿式电除尘设备 - Google Patents
旋转气流湿式电除尘设备 Download PDFInfo
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- CN86205194U CN86205194U CN 86205194 CN86205194U CN86205194U CN 86205194 U CN86205194 U CN 86205194U CN 86205194 CN86205194 CN 86205194 CN 86205194 U CN86205194 U CN 86205194U CN 86205194 U CN86205194 U CN 86205194U
- Authority
- CN
- China
- Prior art keywords
- deduster
- dust
- air flow
- dust remover
- electric dust
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 22
- 239000003570 air Substances 0.000 title claims abstract description 6
- 239000011901 water Substances 0.000 claims description 11
- 239000007921 sprays Substances 0.000 claims description 6
- 230000003068 static Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 239000007789 gases Substances 0.000 description 6
- 230000000505 pernicious Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitric oxide Chemical compound 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O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
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Abstract
本实用新型属于隧道开挖现场的除尘设备。该实用新型体积小、效率高、处理风量大，又可移动。可装在车上，配合机械化施工，对作业面进行有效除尘。
Description
该实用新型属除尘设备类似的“电旋风除尘器”，苏联《工业劳动安全》（1975年）报导，其结构是一般惯性旋风除尘器内部加装芒剌型的电晕电极，国内1984年搞出电旋风除尘器，其实质是卧式切向进风管式电除尘器，它们的除尘效率均在94％右左。
苏联报导中的“电旋风除尘器”，对静电作用开发不充分，并且芒剌型电晕电极的分布密度欠佳。国内“电旋风除尘器”，结构复杂，体积庞大，无法投入隧道施工中使用。
目前欧洲各国的隧道工程几乎都使用西德贝鲁特公司的迴旋式通风湿式集尘器，利用水幕集尘（施以化学药品），用离心分离器使气液分离，需要在距作业面较远的地方固定使用，无法靠近作业面，进行有效除尘。
我国开凿隧道，引进新奥法施工，效率提高一至二倍。但同时粉尘和有害气体剧增。例如对某隧道现场实测：锚喷工序粉尘浓度最高达67mg／m3，爆破工序62.3mg／m3、CO2275mg／m3氮氧化物88.1mg／m3，SO23346mg／m3还有PAH等有害气体。
根据此问题，本实用新型提供一种放置气流湿式静电除尘器，并在此基础上，将出气筒作成荷电水雾水膜旋风除尘器。
本实用新型采用旋转气流，克服电除尘器本身难以克服的主要的困难：并采用多种捕集机理，使该设备体积小，除尘效率高，可达99％以上。扩大了电除尘技术的应用范围，特别是空间狭窄的场合（车间、矿井、隧道等）：便于作成车载的机动除尘器，对隧道及矿井等迅速变化的扬尘点的除尘；适合于我国厂矿单位旧有除尘设备的技术改造，特别有利于对旋风除尘器和麻石水膜除尘器等，原来气流就是旋转运动的设备。
该实用新型可最大限度的接近作业面尘源附近，实现就地循环凈化，大大缩短了放炮后进入作业面的时间防止了粉尘的扩散。它比通常采用的管道通风、效率高，节省投资。
另外，该实用新型与压风呼吸器等个体防护设备相比，不给操作者增加任何困难和不方便，宜于推广应用。
除尘后，本设备可以立即撒离作业面、不影响其他工序的进度。
荷电水雾可以吸附一部分有害气体，而且电晕产生臭氧氧化一氧化氮等有害气体，使之被有效的吸收。例如，可以使一氧化氮吸收率大幅度提高。
附图为旋转气流湿式电除尘器结构示意图。
该实用新型由以下方案实施：含尘气流由风机〔11〕引入，粉尘在予荷电器〔10〕中荷电，在凝聚管路〔12〕中增大粒径。通过切向进风口〔14〕进入旋风电除尘器中。由环形绝缘盖〔2〕、绝缘环〔15〕及绝缘芯筒〔3〕保证接地收尘极〔1〕（可为金属圆筒）与高压放电极〔4〕间的绝缘。气流在圆筒〔1〕与绝缘芯筒〔3〕之间旋转，在芯筒〔3〕外表面均匀分布芒剌形电极〔4〕，其上分段排列着长度不同的芒剌，以增加粉尘的带电量。圆筒〔1〕下部装有锥形漏斗〔5〕及反射屏〔6〕。旋转气流将扑集的粉尘推向水封集尘斗〔13〕、含尘废水随时排入隧道施工污水之中。经一级凈化，残存的荷电粉尘与从荷电水雾喷咀〔7〕喷出的荷以相反电荷的水雾相遇，扑尘后沿芯筒〔3〕内侧流入灰斗，靠气流旋转，实现气液分离。小型高压电源〔8〕为供电电源。〔9〕为荷电水雾发生器。
由于隧道作业现场温度高、凈化后气体湿度大、有利于降温与降尘、本实用新型适用隧道开挖现场效果最佳，用于其他场所该设备可做适当的调整。
Claims (7)
1.多种扑尘机理的除尘器，其特征是由两个同轴圆筒[1]、[3]切向进风口[14]组成。
2.根据权利要求1所述的除尘器，其特征是两筒间加芒剌型电晕电极〔4〕。
3.根据权利要求2所述的除尘器，其特征是芒剌均匀分布，间距为25～32mm。
4.根据权利要求2所述的除尘器，其特征是在大筒〔1〕底部有水封集尘斗〔13〕。
5.根据权利要求4所述的除尘器，其特征是在芯筒〔3〕内装有荷电水雾喷咀〔7〕构成一级水膜旋风除尘器。
6.根据权利要求5所述的除尘器，其特征是设有进行静电凝聚的通风管路〔12〕。
7.根据权利要求6所述的除尘器，其特征在于除尘器安装于车上。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205194 CN86205194U (zh) | 1986-07-15 | 1986-07-15 | 旋转气流湿式电除尘设备 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205194 CN86205194U (zh) | 1986-07-15 | 1986-07-15 | 旋转气流湿式电除尘设备 |
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| Publication Number | Publication Date |
|---|---|
| CN86205194U true CN86205194U (zh) | 1987-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86205194 CN86205194U (zh) | 1986-07-15 | 1986-07-15 | 旋转气流湿式电除尘设备 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581228B (zh) * | 2009-06-19 | 2011-01-12 | 北京京铁世安机械安全技术研究所 | 一种大型隧道除尘设备及其除尘的方法 |
| CN103977900A (zh) * | 2014-05-23 | 2014-08-13 | 周建伟 | 润滑油中颗粒杂质荷电装置 |
| CN104888564A (zh) * | 2015-05-12 | 2015-09-09 | 田鹏程 | 机电一体化除尘除雾器 |
| CN105080271A (zh) * | 2015-08-31 | 2015-11-25 | 李晋蓉 | 旋风式荷电水雾空气净化除尘方法及其系统 |
| CN105457425A (zh) * | 2015-11-23 | 2016-04-06 | 李晋蓉 | 静电旋风分离荷电气雾脱硫脱硝除尘的净化处理方法及其系统 |
| CN104847399B (zh) * | 2013-09-01 | 2017-01-04 | 江苏自强环保科技有限公司 | 一种用于煤矿安全生产坑道净化器 |
| CN107694266A (zh) * | 2017-11-08 | 2018-02-16 | 哈尔滨工程大学 | 一种船舶尾气联合脱硫除颗粒装置 |
-
1986
- 1986-07-15 CN CN 86205194 patent/CN86205194U/zh not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581228B (zh) * | 2009-06-19 | 2011-01-12 | 北京京铁世安机械安全技术研究所 | 一种大型隧道除尘设备及其除尘的方法 |
| CN104847399B (zh) * | 2013-09-01 | 2017-01-04 | 江苏自强环保科技有限公司 | 一种用于煤矿安全生产坑道净化器 |
| CN103977900A (zh) * | 2014-05-23 | 2014-08-13 | 周建伟 | 润滑油中颗粒杂质荷电装置 |
| CN104888564A (zh) * | 2015-05-12 | 2015-09-09 | 田鹏程 | 机电一体化除尘除雾器 |
| CN105080271A (zh) * | 2015-08-31 | 2015-11-25 | 李晋蓉 | 旋风式荷电水雾空气净化除尘方法及其系统 |
| CN105457425A (zh) * | 2015-11-23 | 2016-04-06 | 李晋蓉 | 静电旋风分离荷电气雾脱硫脱硝除尘的净化处理方法及其系统 |
| CN105457425B (zh) * | 2015-11-23 | 2018-09-21 | 李晋蓉 | 静电旋风分离荷电气雾脱硫脱硝除尘的净化处理方法及其系统 |
| CN107694266A (zh) * | 2017-11-08 | 2018-02-16 | 哈尔滨工程大学 | 一种船舶尾气联合脱硫除颗粒装置 |
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