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["이 상태에서 泵是否会产 生汽蚀?

2018-08-09View Original

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",{"筒袋式冷凝泵设计参数: 运行参数:型号 8 LDTN--4×5 进口压力 -0.065MPa 流量 115m3/h 出口压力 1.5MPa 扬程 18m 流量 8t/h � 效率 58% 泵进口水温 55℃ 转速 2 t/min 液面离泵进口高度 3m 入口n个弯头、一个闸阀、一个过滤器 兀径DN 15 汽蚀余量 1.72m �泵出口阀门开度 25%-35%"}
Reply #22018-08-09
"형제 네 입구 압력有问题。桶袋泵多输出液化气个一定是有正压的,而你入口气压是负压个直接汽化个就不给泵汽蚀的机会。 另外你还没给泵输送介质的汽化压力个或者你给装置NPSH也行。 这样是判断不出来的"
Reply #32018-08-09
"중介是凝结水"
Reply #42018-08-20
"입력 압力是 55℃ 水的饱和蒸汽压是1 15.743KPaA。你入口气压是3.6KPaA理论上来看不会汽蚀。"

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