单选题
离心式水泵的螺旋泵壳将叶轮滑出的液体平稳地引向压水管路，并逐渐减小液体的流速以达到化动能为（）的目的。
发布日期：2021-03-22
压力
压强
压头
流体
试题解析
离心式水泵
离心式水泵(Centrifugal pump)简称“离心泵"，也叫"离心式抽水机"。它是一种利用水的离心运动的抽水机械。
- 中文名
- 离心式水泵
- 简称
- 离心泵，也叫"离心式抽水机
- 外文名
- Centrifugal pump
- 原理
- 水的
螺旋泵
螺旋泵属于低压、稀相输送设备。由电机、联轴器、轴承座、螺旋轴、支座、止回阀、混合室、喷嘴等组成，粉体从卸料口进入螺旋输送泵，在变距螺旋的挤压和强力推动下，粉体均匀进入混合室，在混合室下部装有喷嘴，压缩空气通过喷嘴箱喷入混合室，在射流及压差作用下，使粉体以悬浮流快速进入输送管道，输送至受料仓内，空气经仓顶料气分离器过滤后排入大气，粉体在重力作用下落入受料仓内，完成粉体输送。
- 中文名
- 螺旋泵
- 应用
- 建材、电力、化工等
平稳
平稳，拼音：píng wěn，汉语词语，释义：1、平安稳当；平和稳重。2、没有波动，稳定。
- 中文名
- 平稳
- 成语：
- 平平稳稳
- 拼音：
- píng wěn
- 基本解释
- 没有波动，稳定
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