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["Катафракция разделитель停工",,"Время остановки,

2019-07-08View Original

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Reply #22019-07-08
Continue the translationation from where it left off.
Reply #32019-07-09
我没操作过,从流程上说应该是将顶循返回器壁阀关闭,走冷回流将水打进顶循系统,通过各密闭撤压点将油扫出。
Reply #42019-08-27
我们的流程是粗汽油泵出口除了冷回流外还有两路分别并顶循泵出口和入口,其中并出口线还连接着污油线和粗汽油罐,在顶循抽出和返塔器壁阀前还有一条抽出和返塔的跨线,这样一来水顶顶循可以有好几套方案把顶循环线内的油顶干净。如果你们的顶循流程除了冷回流以外没有其它支线,那只有两种方法,一是冷回流往分馏塔打水,灌满顶循抽出集油箱后再开顶循泵将顶循管线的油顶到分馏塔里。第二种是把顶循返塔阀关闭,冷回流顶水,倒着顶至抽出进分馏塔(前提是顶循泵出口单向阀要有跨线),然后再关泵出口阀打开返塔阀顶返塔管线。顶循泵和顶循换热器一般都有退油线,可以先退油然后再顶水。

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