采煤机机载喷雾引射除尘技术及装备的研究

TD714.4; 针对3m左右采高综采工作面使用采煤机喷雾控降尘措施时沿煤壁一侧运移的高浓度粉尘危害严重、机面安装电动除尘风机空间受限的问题,提出了一种利用喷雾引射作为动力进行集中抽尘净化的除尘措施,并采用测试分析的方法对喷雾引射风量、引射效率与喷管直径、喷管长度、喷嘴张角、喷雾水量、喷雾压力之间的关系进行了研究,在此基础上研制出一种高度小于300 mm的机载多管组合式喷雾引射除尘器,其抽吸风量和负压可达到200 m3/min和800 Pa以上,配合使用采煤机喷雾控降尘技术,可将采煤机逆风割煤时下风侧10 m处的呼吸性粉尘降尘效率提高至90％以上....

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Published in矿业安全与环保 Vol. 50; no. 1; pp. 19 - 24
Main Author 马威
Format Journal Article
LanguageChinese
Published 中煤科工集团重庆研究院有限公司,重庆400037 01.02.2023
Subjects
降尘效率
除尘器
采煤机
综采工作面
喷雾引射
Online AccessGet full text
ISSN1008-4495
DOI10.19835/j.issn.1008-4495.2023.01.004

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Abstract TD714.4; 针对3m左右采高综采工作面使用采煤机喷雾控降尘措施时沿煤壁一侧运移的高浓度粉尘危害严重、机面安装电动除尘风机空间受限的问题,提出了一种利用喷雾引射作为动力进行集中抽尘净化的除尘措施,并采用测试分析的方法对喷雾引射风量、引射效率与喷管直径、喷管长度、喷嘴张角、喷雾水量、喷雾压力之间的关系进行了研究,在此基础上研制出一种高度小于300 mm的机载多管组合式喷雾引射除尘器,其抽吸风量和负压可达到200 m3/min和800 Pa以上,配合使用采煤机喷雾控降尘技术,可将采煤机逆风割煤时下风侧10 m处的呼吸性粉尘降尘效率提高至90％以上.
AbstractList TD714.4; 针对3m左右采高综采工作面使用采煤机喷雾控降尘措施时沿煤壁一侧运移的高浓度粉尘危害严重、机面安装电动除尘风机空间受限的问题,提出了一种利用喷雾引射作为动力进行集中抽尘净化的除尘措施,并采用测试分析的方法对喷雾引射风量、引射效率与喷管直径、喷管长度、喷嘴张角、喷雾水量、喷雾压力之间的关系进行了研究,在此基础上研制出一种高度小于300 mm的机载多管组合式喷雾引射除尘器,其抽吸风量和负压可达到200 m3/min和800 Pa以上,配合使用采煤机喷雾控降尘技术,可将采煤机逆风割煤时下风侧10 m处的呼吸性粉尘降尘效率提高至90％以上.
Author 马威
AuthorAffiliation 中煤科工集团重庆研究院有限公司,重庆400037
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Keywords 降尘效率
除尘器
采煤机
综采工作面
喷雾引射
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Snippet TD714.4; 针对3m左右采高综采工作面使用采煤机喷雾控降尘措施时沿煤壁一侧运移的高浓度粉尘危害严重、机面安装电动除尘风机空间受限的问题,提出了一种利用喷雾引射作为动力...
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Title 采煤机机载喷雾引射除尘技术及装备的研究
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