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["请教"중심압축기의 기계적 회전�试验

2018-04-04View Original

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",1,중심압缩机의 기계적 회전�试验布置工艺流程是如何安排的(API6
Reply #22018-04-05
这个是要以厂家提供的说明要求实施的,按常规涡轮机气体压缩机是要全开出口(排空为大气压力),入口可根据要求微开,目的是在压缩机实现最小负荷的启动。若有厂家提供的说明还是要做到‘前有车后有辙’为好。
Reply #32018-04-05
这种情况机械运转和机械性能一起做实验。既检验了性能同时也做了机械运转实验。
Reply #42018-04-05
感谢您的回复。就是说用100%N2来做闭合回路试车也属于机械运转试验,对吗?
Reply #52018-04-06
对,这是模拟实际现场机械运转,同时检验机组各项数据。
Reply #62018-04-06
前有车后有辙,是什么意思
Reply #72018-04-07
就是做事要有根据,免得是非缠身,或者说叫有“前车之鉴”。
Reply #82019-02-08
机械运转试验可以采用抽真空,避免管路连接带来的工作量。如果连接好管路用气体试验当然也是机械运转试验。 机械运转试验一般用合同轴承,但是不安装干气密封,用试车密封代替
Reply #92019-04-13
1.机械运转试验应该可以保持出口入口全开,应该对压缩机没有影响,有的机组在现场或车间是这么测试的 2.一般轴承应该用合同轴承,干气密封大多用试车密封 3.用气体做机械运转应该也是可以的
Reply #102020-10-09
在工厂有气体就是PTC试验了,真空才是MRT试验。
Reply #112020-10-09
氮气闭合回路试验,应该是机械性能试验

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