Apparatus for cleaning a piping
    1.
    发明授权
    Apparatus for cleaning a piping 失效
    清洗管道的设备

    公开(公告)号:US5444886A

    公开(公告)日:1995-08-29

    申请号:US115712

    申请日:1993-09-03

    IPC分类号: B08B9/04 B08B9/055 F16L55/46

    CPC分类号: F16L55/46 B08B9/0551

    摘要: An apparatus designed to efficiently and positively clean a main piping not only totally, but also partially by the reciprocation of a pig. The cleaning apparatus is provided with a launcher (4) for projecting a pig (1) and a catcher (36) for receiving the pig (1) at both ends of a main piping (37). A compressed gas is supplied from a feed nozzle of the launcher to thereby send the pig to the catcher (36). In consequence to the arrival of the pig, the compressed gas is discharged through a discharge nozzle (29) of the catcher (36), when the pressure is decreased and the pig is accordingly stopped. The decrease of the pressure is detected by a pressure sensor (33) of the launcher (4). When the pig arrives at the catcher (36), it is detected by a pressure sensor (33) of the catcher (36). The compressed gas is supplied from a feed nozzle (22) of the catcher (36) based on the detecting signal of the pressure sensor (33 ) of the launcher (4), to thereby send the pig towards the launcher (4). The reciprocating motion of the pig is executed by opening/closing electromagnetic valves of the launcher (4), catcher (36), main piping (37) and branch pipes (41a, 41b) by means of a controller.

    摘要翻译: 一种设计用于不仅完全地,而且部分地通过猪的往复运动来有效地且主动地清洁主管道的装置。 清洁装置设置有用于在主管道(37)的两端处投射猪(1)和用于接收猪(1)的捕集器(36)的发射器(4)。 从发射器的进料喷嘴供给压缩气体,从而将猪送到捕集器(36)。 由于猪的到来,当压力降低并且相应地停止猪时,压缩气体通过捕集器(36)的排出喷嘴(29)排出。 压力的降低由发射器(4)的压力传感器(33)检测。 当猪到达捕集器(36)时,它由捕获器(36)的压力传感器(33)检测。 基于发射器(4)的压力传感器(33)的检测信号,从捕集器(36)的进料喷嘴(22)供给压缩气体,从而将猪送向发射器(4)。 通过控制器打开/关闭发射器(4),捕集器(36),主管道(37)和分支管(41a,41b)的电磁阀来执行猪的往复运动。