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2019-11-15View Original

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user
Reply #22019-11-15
Translate the following 9 texts from chinese_simplified to spanish. Return ONLY a valid json array of translated strings in the same order. No markdown formatting,"user
Reply #32019-11-15
Translate the following 9 texts from chinese_simplified to spanish. ReturnONLY a valid json array of translated strings in the same order. No markdown formatting
Reply #42019-11-16
98硫酸卸车问题
Reply #52019-11-18
单位卸硫酸是通过槽车底部连接鹤管,通过屏蔽泵打入立式硫酸储罐的,屏蔽泵的扬程和流量都是接98硫酸设计的,均为 1,屏蔽泵吸入口为球阀,出口阀为截止阀,卸硫酸时给硫酸储罐持续抽真空,开启屏蔽泵,但是泵出口截止阀开一点,泵出口压力就从4公斤掉到 0.5公斤,是泵有问题了还是储罐抽真空所导致的泵出口压力降得这么多
Reply #62019-12-07
卸车很慢,现在感觉泵没有起什么作用,泵出口压力如果开大一点的话泵出口压力基本在 0.1公斤左右来回波动
Reply #72019-12-11
从泵出口到罐的入口有多少位差,如果位差不高,可能会接近泵出口直接对空排放的工况,泵流量会高于额定;但是扬程很低;先抽真空还是先开截止阀,这个不好解释就像一头吹气一头吸气吸气量大的时候吹气的一端是感觉不到吹气的阻力的
Reply #82020-04-11
本帖最后由 *a版u5版5 于 2011-11-6 8:35 编辑 测一下泵的电流,泵的出口压力跟之后的阻力有关,储罐抽真空,泵的出口压力应该不会太高。建议根据泵的运转电流调整泵出口阀,控制在泵额定电流。

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