煤矿瓦斯抽采节流装置优化设计  

Optimized Design of Gas Extraction Throttling Device in Coal Mine

作　　者：王振锋[1] 周英[1] 孙玉宁[1] 王永龙[1] 宋维宾[1] 

机构地区：[1]河南理工大学能源科学与工程学院,河南焦作454000

出　　处：《煤矿安全》2014年第1期78-80,共3页Safety in Coal Mines

基　　金：国家自然科学基金资助项目(51074066);国家科技支撑计划资助项目(SQ2011GX01D03268)

摘　　要：设计一种新型的节流装置,节流装置具有导向定位功能的新型孔板,整体组合取消笨重的法兰,其上下游直管采用外圆和内圆嵌入式结构,孔板与测管采用内嵌式结构连接,测气嘴兼有测量和定位功能,并具有防丢失功能的测气嘴密封帽,节流装置具有安装快捷、拆卸方便,便于清理和校准、不易腐蚀等特点。A new kind of throttling device was designed, which had new orifice plate with positioning feature and cancelled a heavy flange connection in overall combination; the up and down straight pipes of the throttle device used outer and inner circles embedded structure ; orifice plate and measuring tube of the throttle device used the embedded structure ; the gas nozzle had measurement and tar- geting capabilities, and had measured gas nozzle sealing cap with anti - lost function, the throttling device had characteristics of quick installation, easy disassembly, easy clean -up and calibration, low corrosion.

关 键 词：瓦斯抽采 法兰连接 节流装置 流量计 联孔 

分 类 号：TD712.63[矿业工程—矿井通风与安全]