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["보의 배출구에서 난방 보동이 반복적으로 泄漏,这是为什么?

2019-08-02View Original

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"보의 배출구 난방 보동이 반복적으로 泄漏 基本情况 属多级离心泵,进口 3.3MPa,出口5.8MPa 左右。8 台 锅炉 上水泵,一备一开,几乎均有暖泵线反 复有 泄漏情况。单位都是重新焊接处理。 请教各位前辈这应该不是正常现象吧?还是正常?谢谢了"
Reply #22019-08-02
"난방 보线上有孔板吗?改用限流孔板试试"
Reply #32019-08-03
"管线的压力等级是不是选低了?"
Reply #42019-08-07
"이 현상은 정상적입니다改用双阀操作一个常开,另一个限流!"
Reply #52019-08-12
"具体的哪个部位漏了,管子焊缝漏、弯头、直管、法兰垫片漏、阀门内漏等,要说清楚才好制定针对性的具体措施。 1、焊缝漏:焊接质量不过关,打磨透后重新焊接,要找好的焊工,要按拍片要求进行焊接单面焊双面成型并且控制气孔夹渣不能有裂纹,焊条要与主材匹配,焊接工艺查相关资料对应制定。 2、直管或弯头漏:材料质量不行,找正规供应商采购符合压力管道使用规范的管管和管件更换。 3、法兰垫片漏:更换符合系统压力等级的垫片,也可能是法兰压力等级或厚度不够(重量不行)更换为正规的供应商提供的符合系统压力等级的法兰。 4、阀门内漏:阀门重量不行或阀门压力等级不匹配,更换符合系统工艺条件的阀门(压力等级适当提高,采用不锈钢阀芯"

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