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["열유 泵 流量 问题에 대한 것", "여러분 전문가들,이 泵 的 介质 汽油 温度 大概 在 3月份 开的时候 量 大在 245t/h "中间 �切换 �到 � �备用 泵 运行 �半年 "然后 从 11月份 �切回 "该 泵 出口 流量 在 225t/h "量 �大概 低了 "出口 �出口 压力 低了 "但 机 泵 �运行 � �稳定 无 异常 振动 、 杂音 "该 �泵 中 也 未 �进行 �检修 �处理 "入口 过滤网 �干净 "请问 请教 各位 专家 该 泵 的 � �量量 压力 下降 �可能 �能 由于 什么 原因 �引起的 �呢 ? 该 �气温 有 关系 �吗 ? 泵 体 未 包 保温 "3月份 �气温 �大概 "80度 "3 从 3月份 �气温 �大概 "7 8 "度 " "从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 kuk

2019-11-20View Original

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电流 有 �变化 "吗 ? 如果 电流 也 "没 什么 "变化 " �可能是 �可能是 �口环 间隙 �变大 " "工况 有 "变化 "吗 ? 塔 的 �液位 "是不是 "比之前 低了 "液位 低 "相当于 进口 压力 低了 " "回流 �阀门 或 �备用 �泵 �出口 �阀门 "没有 "没有关 "死 " "或者 "或 "备泵 �单向阀 �内漏 " "电流 �反而 " "之前 "大 "了 " "由 原来 "1 "1变 "为了 " " " " "工况 " "没有 "没有 " "而且 "备用 �泵 的 "量 "量和 "这 "台 �泵 "之前 "的 " "的 "量 量量切换 "到 "这 "台 �泵 "后 ",量 量 �泵 "就 "下降 "了 " "备用 �泵 的 "出口出口 �出口阀门 " "应该是 "严 "的 " "因为 "我 �切换 "泵 时 "备用 �泵 "未 "停 " "只是 "只是 "关闭 "出口出口 �阀门 " "备用 �泵 "的 "压力 " "高于 " "这 "台 �泵 " "应该 " "不存在 " "从 " "这 "台 �泵 " "到 "备用 �泵 " " " " " "有没有 "回流 �管线 " "电流 "大 "了 " "可能性 " "有 " "有 "旁 "流 "回流 " " " "看 "下 " " " " "先 "检查 "塔 "塔塔釜 �物料 的 "密度 "、粘 "度 "等 "以及 "塔塔塔塔釜 "的 "液位 " "有 "变化 " " " " "如果 "排除 "这些 " "因素 " "的变化 " "之后 " "再 "检查 "回 "回流 "阀 " "是否 " "未 " "关 "死 " "或者 " "有 "内漏 " "最后 " "最后 " "检查 " "泵 设备备 "本身 "的问题 " " " " " "现象 "确实 "怪异 " "电流 "变 "大 " "说明 " "泵 的 "输出 "增加 " "也就是 " "泵 的 " �量量 " "变 "扬程 "变 "小 " " " " " "楼主 "所 "提供提供 "如果 "准确 " "只 "有 "一种 " "可能 " " " " "泵 的 " "性能 " "降低 " " " "可以 " "微信 " " " " " "微信 " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " kuk
Reply #22019-11-20
电流有变化吗?要是电流没什么变化,可能是口环间隙变大。
Reply #32019-11-20
工况有没有变化,塔的液位是不是比之前低了,液位低相当于进口压力降了
Reply #42019-11-20
回流阀门或备泵出口阀门没有关死。或者备泵单向阀内漏
Reply #52019-11-20
电流反而比之前大了,由原来的180多,变为了190多
Reply #62019-11-20
工况没有变化,而且备用泵的量和这台泵之前的的量基本差不多,切换到这台泵后,量就下降了
Reply #72019-11-20
备用泵的出口阀应该是严的,因为我切换泵时,备用泵未停,只是关闭出口阀,备用泵的压力高于这台泵,应该不存在从这台泵过量至备用泵
Reply #82019-11-20
有没有回流管线?电流大了,可能性1泵内循环大2有旁路回流。看下
Reply #92019-11-21
先检查塔釜物料的密度、粘度等性质以及塔釜的液位是否有变化。如果排除这些因素的变化之后,再检查回流阀是否未关死或者有内漏;最后才检查泵设备本身的问题。
Reply #102019-11-21
这个现象确实怪异,电流变大,说明泵的输出增加,也就是泵的流量变大,扬程变小。楼主所提供的信息如果准确,只有一种可能,泵的性能降低了。可以微信或手机号:13162294857
Reply #112020-02-28
是不是停泵前,没有缓慢冷却。 泵的轴承处有积碳现象,导致再次启动,负载增大。 泵和电机为直连,导致电机丢转数。 继而流量、压力都下降,电流增大。

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