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["고속 泵 启动", ["고속 泵 启动 时时为何需要稍微开启 出口 阀?不太理解,请大家说说。加分", "그렇게不做的话,出口 阀会很难打开 "前后 压差 �太 �了了。。。。。。" "고속 泵 的 �出 压力通常 较 �高,一旦 开开 后 �出 �阀门 很难 �开。如果长时间 打不开 �出 �阀门 会 造成 �泵 气蚀 伤害 波泵 。" "고속 泵 的 �出 压力一般 在 �少" "일반적으로 高速 泵 的 �出 压力最低 在 多少" "出口 压力和 �泵 有关系 " �化工" 不能 用一些诸如 �大概 " �可能 " 加 估计 " 类似 不模棱两可 的 词语" " 解出来 解决 问题 对各种各种 高速 �泵 一一 一 分析 �吧 " 不不同的 �泵 �出 开度确定确定 �确定 � � � 一 定 不算 解决 问题 那这 问题 问 � � 你 来 回答 " � " � " �同同楼上 �几位 的 �看 法 " "小流量 � 扬程 " 是高速 �泵 的 �典 一 个 �特点 。 除楼上 �神 " 的 �见 " �外 由于 �高速 旋转 " 若 �启 � �后再去 阀门 " " 开慢 " 或 " 开不出 " " � " �输 送 介 � 在 �面 � � " " " " " �温 �会会 � � �升 " "此时 介 " � � � " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " kuk

2019-09-13View Original

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我看资料上说,高速泵启动时应稍开出口阀,为什么启动时需要开点出口阀?不太理解,请大家说说,加分
Reply #22019-09-13
否则你出口阀会很难打开,前后压差太大了。。。。。
Reply #32019-09-13
高速泵出口压力通常比较高,等你开起来后出口阀门很难打开。如果长时间打不开出口阀门,会造成机泵气蚀,损坏机泵。
Reply #42019-09-13
高速泵的出口压力一般在多少
Reply #52019-09-13
一般高速泵的出口压力最低多少
Reply #62019-09-13
出口压力和泵有关系,做化工的不能用一些诸如大概,可能,估计类似模棱两可的词语
Reply #72019-09-14
来出来解决问题,对于各种高速泵一一分析吧,不同的泵出口开度确定的值是多少,照这么说,没有数据不算解决问题,那这个问题留给你来回答,先给我们列出一台高速泵,给出关键的泵参数,对应出口开度多少?
Reply #82019-09-14
同意楼上几位的看法,小流量高扬程就是高速泵的典型特点。除了楼上大神说的意见外,另外由于高速旋转,若启动后再去开阀门,开的慢或开不出,所输送介质在里面来回搅拌,温度会很快升高,此时介质极易汽化,造成汽蚀,极易造成泵损坏
Reply #92019-09-14
9楼高见,正解。路过的学*了
Reply #102019-09-15
可以在泵出口加最小流量线,连接到泵入口罐,前提是工艺条件允许的情况下,开泵前先开最小流量线,泵开起后,由于各种原因产生的气泡可以通过最小流量线排出防止泵抽空,高速泵入口有诱导轮,可以减轻气蚀的影响。

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