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隐臂式固定煤粉取样装置工作原理

连云港市J9九游会AG电力辅机有限公司生产的隐臂式固定煤粉取样装置是利用负压抽吸和旋风分离原理将气粉混合物从煤粉管道中抽吸出并进行固气分离而研制成功的,用于正压直吹式制粉系统一次风送粉管道上煤粉取样专用设备。

       取(qu)样(yang)(yang)(yang)(yang)过(guo)程(cheng)(cheng)中(zhong)(zhong)(zhong)(zhong),取(qu)样(yang)(yang)(yang)(yang)管(guan)为(wei)展开(kai)(kai)伸入煤(mei)粉(fen)(fen)管(guan)道中(zhong)(zhong)(zhong)(zhong),所有阀门为(wei)开(kai)(kai)启状(zhuang)态,当压缩(suo)空(kong)气从出气管(guan)道经过(guo)射器(qi)抽气器(qi),其射流作用必然导致旋(xuan)风分(fen)(fen)离(li)器(qi)、取(qu)样(yang)(yang)(yang)(yang)管(guan)、取(qu)样(yang)(yang)(yang)(yang)瓶(ping)等(deng)(deng)部件产(chan)生(sheng)负压,促使煤(mei)粉(fen)(fen)管(guan)道中(zhong)(zhong)(zhong)(zhong)的气粉(fen)(fen)混合物沿取(qu)样(yang)(yang)(yang)(yang)管(guan)进入取(qu)样(yang)(yang)(yang)(yang)装置(zhi),气粉(fen)(fen)混合物在旋(xuan)风分(fen)(fen)离(li)器(qi)中(zhong)(zhong)(zhong)(zhong)进行固气分(fen)(fen)离(li),分(fen)(fen)离(li)出的煤(mei)粉(fen)(fen)落(luo)入旋(xuan)风分(fen)(fen)离(li)器(qi)下面的取(qu)样(yang)(yang)(yang)(yang)瓶(ping)中(zhong)(zhong)(zhong)(zhong),气体则被压缩(suo)空(kong)气抽吸从新送如(ru)煤(mei)粉(fen)(fen)管(guan)道中(zhong)(zhong)(zhong)(zhong),整(zheng)个操作过(guo)程(cheng)(cheng)对(dui)工(gong)作场所不产(chan)生(sheng)污染。取(qu)样(yang)(yang)(yang)(yang)前(qian)对(dui)压缩(suo)空(kong)气调压阀进行调整(zheng),可实现等(deng)(deng)速取(qu)样(yang)(yang)(yang)(yang),使取(qu)出的煤(mei)粉(fen)(fen)样(yang)(yang)(yang)(yang)品具有代表性。(压缩(suo)空(kong)气压力一般不超过(guo)0.1Mpa)。

煤粉取样装置