CN201239590Y - 湿式引风除尘器 - Google Patents
湿式引风除尘器 Download PDFInfo
- Publication number
- CN201239590Y CN201239590Y CNU2008200781453U CN200820078145U CN201239590Y CN 201239590 Y CN201239590 Y CN 201239590Y CN U2008200781453 U CNU2008200781453 U CN U2008200781453U CN 200820078145 U CN200820078145 U CN 200820078145U CN 201239590 Y CN201239590 Y CN 201239590Y
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- Prior art keywords
- nozzle
- air
- axis
- spray orifice
- water
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- 239000003570 air Substances 0.000 title claims abstract description 119
- 239000011901 water Substances 0.000 claims abstract description 60
- 239000007921 sprays Substances 0.000 claims description 34
- 230000001939 inductive effects Effects 0.000 claims description 11
- 229940090046 Jet Injector Drugs 0.000 claims description 9
- 239000007789 gases Substances 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 239000002817 coal dust Substances 0.000 claims description 5
- 239000008246 gaseous mixtures Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000203 mixtures Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injections Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
Description
湿式引风除尘器 技术领域
本实用新型涉及一种煤矿井下使用的除尘器，特别是一种湿式引风除 尘器。
背景技术
煤矿井下使用的除尘器为多种湿式除尘风机，包括水平设置的风筒， 风筒内腔为气体通道，风筒一端设有进风口，其另一端设有出风口，进风 口与出风口之间设有风机，风机前后设有过滤层，所用的动力装置为电机。 其弊端是使用不方便，耗能高，过滤层容易堵塞，且体积大，重量大，不
便于管理。CN2156942Y公开了一种旋流引风除尘装置，其水射流引射器 横置于由旋流引风筒、混合凝聚筒和排污筒组成的旋流除尘器内。此技术 以高压水为动力。CN201025063Y公开了一种矿用湿式除尘器，由外壳、 喷雾器、粉尘过滤器、粉尘水收集器组成，该装置与掘进机上负压风桶相 连接，能有效提高矿井粉尘降尘率。CN2131610Y公开了一种引射加温干 式旋风除尘器，它是由一台附加的引射风机， 一个加温用的水泵与除尘器 本体所组成，引射风机将干净空气输入除尘器中心的静压室中，静压室上、 中、下有三道射流沿切向迫使烟气旋转，分别按从下到上顺序除去大、小 和微粒、烟尘。并在适当位置设置喷雾器，由加温水泵提供喷雾压力，烟 尘经喷雾处理，凝聚力加强成为尘团。CN2086173U公开了一种水射流锅 炉除尘器，其结构主要由水射流引射器和烟尘分离器组成，锅炉排出的含 尘气体，在水射流引射器中被水雾混合进入烟尘分离器，含水后的灰尘在 烟尘分离器中下落，经排污弯管排出，净化后的气体经排气芯筒排出。
发明内容
本实用新型的目的在于克服已有技术的不足，提供一种湿式引风除尘器，它除尘效果好，不堵塞，而且结构简单，使用方便，安全可靠，耗能低。
为解决上述技术问题，本实用新型采用的技术方案如下：
一种湿式引风除尘器，具有水平设置的风筒、水射流引射器，风筒内 腔为气流通道，风筒一端设有进风口，其另一端设有出风口，从风筒的进 风口到出风口 ，风筒具有用作进风口的其横截面面积逐渐变小而呈收縮状 的引风段、直筒段、其横截面面积逐渐变小而呈收縮状的收縮段、使煤尘 和水雾混合气在此充分混合的直筒状混合段、用作出风口的其横截面面积 逐渐变大而呈扩张状的扩压段，水射流引射器具有喷嘴、进风管、进水管、 支撑喷嘴的支撑体，进风管具有伸入风筒的直筒段内的连接喷嘴进风段和 位于风筒的外部的进风接头，进水管具有伸入风筒的直筒段内的连接喷嘴 进水段和位于风筒的外部的进水接头，所述的支撑体固定安装在风筒的直 筒段内，固定安装在支撑体上的喷嘴设于风筒的直筒段内中部位置、并与 进风管的连接喷嘴进风段端部和进水管的连接喷嘴进水段端部固定连接， 喷嘴的喷孔具有高压空气和水混合的圆柱形的混合型腔和呈收縮状圆形的 喷出口，喷嘴的喷孔轴线为水平线，喷嘴上分别具有将进风管的连接喷嘴 进风段与喷嘴的喷孔相连通的圆形的进风通道、将进水管的连接喷嘴进水 段与喷嘴的喷孔相连通的圆形的进水通道，其技术方案是所述的进风通道、 进水通道从喷嘴的上端面朝着喷嘴的喷孔的混合型腔呈并排纵向设置，进 水通道位于进风通道的前面，进风通道的轴线和进水通道的轴线相对于喷 嘴的喷孔轴线有位置差，即在经过进风通道的轴线并且垂直于喷嘴的喷孔 轴线的平面内，喷嘴的喷孔轴线与该平面的交点到进风通道的轴线的距离 为数值X，在经过进水通道的轴线并且垂直于喷嘴的喷孔轴线的平面内， 喷嘴的喷孔轴线与此平面的交点到进水通道的轴线的距离也为数值X。
上述技术方案中，所述进风管的进风接头上最好固定安装有进气球 阀，上述进水管的进水接头上最好固定安装有进水球阀。上述数值X最好 小于喷嘴的喷孔的混合型腔的半径。
本实用新型工作时，通过进风管、进水管把高压空气、水送入喷嘴。高压空气和水在喷嘴内混合后喷出，由于气体流道的变化（即收缩段呈收 縮状），使水雾混合气体在收縮段形成局部负压，外界煤尘从进风口被吸入 风筒。煤尘和水雾混合气在直筒状混合段充分混合，粉尘和水汽充分接触 形成混合物，随着粉尘团自重的增加而自由下落，混合物流向风筒内壁， 再由出风口排出，可以流到一刮板机或皮带机上。本实用新型的动力为井 下高压空气，利用引射器原理将风（粉尘）吸入，结构简单。同时进风通 道的轴线和进水通道的轴线相对于喷嘴的喷孔轴线有位置差，形成旋状水 雾喷出，使除尘（灭尘）效果更好。它可以清洗除尘器内部，并可以将粉 尘加湿，同时还可以降低粉尘着火、爆炸的可能，安全可靠。它不堵塞， 使用方便，耗能低。而且上述进风管的进风接头上固定安装有进气球阀， 进水管的进水接头上固定安装有进水球阀，使除尘器在使用过程中随工作 条件的变化可以随意调节，更安全可靠。
附图说明 图l为本实用新型的结构示意图。
图2为本实用新型中喷嘴的结构示意图。 图3为图2中沿A-A线或者B-B线的剖视图。
具体实施方式
如图l、图2、图3所示，本实用新型具有水平设置的风筒l、水射流 引射器2。风筒内腔为气流通道，风筒一端设有进风口，其另一端设有出 风口。从风筒的进风口到出风口，风筒1具有用作进风口的其横截面面积 逐渐变小而呈收縮状的引风段ll、直筒段12、其横截面面积逐渐变小而呈 收縮状的收縮段13、使煤尘和水雾混合气在此充分混合的直筒状混合段 14、用作出风口的其横截面面积逐渐变大而呈扩张状的扩压段15。风筒的 横截面可以呈现方形或者可以呈现圆形。为了增加风筒的使用寿命，可采 用不锈钢板焊接制作，也可采用玻璃钢板制作，使它结实耐用。水射流引 射器2具有喷嘴22、进风管21、进水管23、支撑喷嘴的支撑体26。喷嘴 可以为长方体形。进风管21具有伸入风筒的直筒段12内的连接喷嘴进风 段和位于风筒的外部的进风接头，进水管23具有伸入风筒的直筒段12内的连接喷嘴进水段和位于风筒的外部的进水接头。所述的支撑体26固定安 装在风筒的直筒段12内，固定安装在支撑体26上的喷嘴22设于风筒的直 筒段12内中部位置、并与进风管21的连接喷嘴进风段端部和进水管23的 连接喷嘴进水段端部固定连接。喷嘴22的喷孔具有高压空气和水混合的圆 柱形的混合型腔和呈收縮状圆形（流线型）的喷出口，喷嘴22的喷孔轴线 为水平线。喷嘴22上分别具有将进风管21的连接喷嘴进风段与喷嘴22的 喷孔相连通的圆形的进风通道221、将进水管23的连接喷嘴进水段与喷嘴 22的喷孔相连通的圆形的进水通道222。喷嘴可以采用耐腐蚀的不锈钢材 料制作。所述的进风通道221、进水通道222从喷嘴22的上端面朝着喷嘴 的喷孔的混合型腔呈并排纵向设置，进水通道222位于进风通道221的前 面，进风通道221的轴线和进水通道222的轴线相对于喷嘴22的喷孔轴线 有位置差，即在经过进风通道221的轴线并且垂直于喷嘴22的喷孔轴线的 平面内，喷嘴22的喷孔轴线与该平面的交点到进风通道221的轴线的距离 为数值X。在经过进水通道222的轴线并且垂直于喷嘴22的喷孔轴线的平 面内，喷嘴22的喷孔轴线与此平面的交点到进水通道222的轴线的距离也 为数值X。数值X小于喷嘴的喷孔的混合型腔的半径。上述进风管21的进 风接头上固定安装有.进气球阈24，上述进水管23的进水接头上固定安装 有.进水球阀25，通过调节它们以适应不同的工作环境。
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102465710A (zh) * | 2010-11-14 | 2012-05-23 | 龙口矿业集团有限公司 | 气水混喷射流除尘风机 |
| CN103104280A (zh) * | 2013-02-28 | 2013-05-15 | 中国矿业大学 | 一种煤矿井下除尘装置 |
| CN103850698A (zh) * | 2014-03-31 | 2014-06-11 | 河南理工大学 | 自动稀释上隅角瓦斯的射流引射器 |
| CN105115142A (zh) * | 2015-09-21 | 2015-12-02 | 晋江市晋美日用品有限公司 | 一种带有散热风扇的空调冷凝水排出装置 |
| CN105115140A (zh) * | 2015-09-21 | 2015-12-02 | 石狮市诺朗电子商务有限公司 | 一种可调式空调冷凝水排出装置 |
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| CN105157200A (zh) * | 2015-09-21 | 2015-12-16 | 南安市申达鑫通商贸有限公司 | 一种防尘式空调冷凝水排出装置 |
| CN108194123A (zh) * | 2018-02-13 | 2018-06-22 | 中国矿业大学 | 一种煤矿井下除尘装置及除尘方法 |
| CN109011952A (zh) * | 2018-09-07 | 2018-12-18 | 石田 | 雾化引射小型净化器 |
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| CN102465710A (zh) * | 2010-11-14 | 2012-05-23 | 龙口矿业集团有限公司 | 气水混喷射流除尘风机 |
| CN103104280A (zh) * | 2013-02-28 | 2013-05-15 | 中国矿业大学 | 一种煤矿井下除尘装置 |
| CN103104280B (zh) * | 2013-02-28 | 2015-03-04 | 中国矿业大学 | 一种煤矿井下除尘装置 |
| CN103850698A (zh) * | 2014-03-31 | 2014-06-11 | 河南理工大学 | 自动稀释上隅角瓦斯的射流引射器 |
| CN105135655B (zh) * | 2015-09-21 | 2017-12-08 | 姚莉萍 | 带分隔网和限位传感器的空调冷凝水排出装置 |
| CN105115140A (zh) * | 2015-09-21 | 2015-12-02 | 石狮市诺朗电子商务有限公司 | 一种可调式空调冷凝水排出装置 |
| CN105135655A (zh) * | 2015-09-21 | 2015-12-09 | 叶绍领 | 带分隔网和限位传感器的空调冷凝水排出装置 |
| CN105157200A (zh) * | 2015-09-21 | 2015-12-16 | 南安市申达鑫通商贸有限公司 | 一种防尘式空调冷凝水排出装置 |
| CN105115142A (zh) * | 2015-09-21 | 2015-12-02 | 晋江市晋美日用品有限公司 | 一种带有散热风扇的空调冷凝水排出装置 |
| CN105157200B (zh) * | 2015-09-21 | 2018-10-09 | 南安市申达鑫通商贸有限公司 | 一种防尘式空调冷凝水排出装置 |
| CN105115142B (zh) * | 2015-09-21 | 2018-07-06 | 晋江市晋美日用品有限公司 | 一种带有散热风扇的空调冷凝水排出装置 |
| CN105115140B (zh) * | 2015-09-21 | 2018-07-20 | 石狮市诺朗电子商务有限公司 | 一种可调式空调冷凝水排出装置 |
| CN108194123A (zh) * | 2018-02-13 | 2018-06-22 | 中国矿业大学 | 一种煤矿井下除尘装置及除尘方法 |
| CN108194123B (zh) * | 2018-02-13 | 2019-10-22 | 中国矿业大学 | 一种煤矿井下除尘装置及除尘方法 |
| CN109011952A (zh) * | 2018-09-07 | 2018-12-18 | 石田 | 雾化引射小型净化器 |
| CN109011952B (zh) * | 2018-09-07 | 2020-09-25 | 石田 | 雾化引射小型净化器 |
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