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提升泵启动前应该做准备工作有哪些

Time: 2016/8/24 8:33:51

    针对广大客户提出的提升泵启动准备工作问题给出以下解答:
  (1)查看电机和提升泵循环油路是否畅通,分油压调整到0.0744—0.0833兆帕(0.8—0.85公斤力/厘米2)空试低油压保护和低水位保护需灵敏可靠。水泵轴瓦油盒油位应在规定高度上。油环在正常位置。
  (2)靠背轮间隙大于4毫米,并扳动转子检查串量标记的位置是否在指示针内。按泵的旋转方向盘泵2/3—1圈,无阻卡现象,联轴器螺栓不松动,护罩位置适当,周围无妨碍机泵运行的物件。
  (3)检查大罐水位,关闭排污闸门,打开提升泵进口真空压力表闸门、泵放空闸门和进口闸门,打开轴瓦冷却水管线闸门,防尘环要扭紧在轴上。
  (4)与机泵启动有关的各种仪表,包括泵出口压力表、进口真空压力表、管压表、平衡压力表、润滑油压表及控制盘等仪表都要察看。
  (5)严格控制盘根冷却水(一般情况下*不用),严防水浸溢到泵轴瓦油盒里去。若有此情况发生,需换油,排净水分以防造成烧瓦事故。
  (6)由提升泵出口放空闸门出来的水,确认无气泡后关闭tsc空闸门。
  (7)提升泵出口闸门灵活可靠,关闭好该闸后回开半扣到l扣(空程除外),使之略有缝隙,作好启动控制的准备(注意:不要打开站内回流)。
  (8)若泵出口闸门为电动阀,手柄拨到电动位置,试开关一次,灵活可靠。启动提升泵前,略开一条缝隙,作好启动操作的准备。
  (9)打开电机循环冷却水闸门,水表运行正常,控制好冷却水量或压力。
  (10)将其它的满载或略超载运行的电机电流调到低于额定电流10安以下,以防启动机泵时造成运行电机过流保护甜作,使之跳闸。
经上述准备,检查确认无误后,方可进行启动操作。

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