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混流泵有蜗壳式和导叶式两种,以蜗壳式较为常见

作者:小编 时间:2021-05-13 21:31:36 点击:

蜗壳式混流泵主要由叶轮、泵盖、泵体、泵轴、轴承和密封装置等组成。 混流泵外形和零件组成均与单吸式离心泵相似,主要区别在于叶轮的形状:混流泵叶轮介于离心泵叶轮和轴流泵叶轮之间,它的水流槽道与泵轴轴线倾斜,水从轴向进入叶轮而从倾斜方向流出,它既利用了离心力义利用了推升力。

Volute mixed flow pump is mainly composed of impeller, pump cover, pump body, pump shaft, bearing and sealing device. The shape and components of the mixed flow pump are similar to those of the single suction centrifugal pump, the main difference lies in the shape of the impeller: the impeller of the mixed flow pump is between the impeller of the centrifugal pump and the impeller of the axial flow pump, its flow channel is inclined to the axis of the pump shaft, and the water enters the impeller from the axial direction and flows out from the inclined direction, which makes use of the centrifugal force and the thrust force.

 混流泵具有结构简单、体积小、重量轻、操作维修方便等优点。其工作特点为:流量大于离心泵小于轴流泵,扬程小于离心泵大于轴流泵,因此它比较适合在扬程为5~10米的平原地区使用,是一种较受欢迎的农用泵。水泵采用立轴式单基础结构,配用立式电动机,电动机直接设置在水泵上,避免了旧式泵电机、水泵分别放置在上、下两层中运行,安装、维修极不方便的缺点,产品运行可靠性高。

The mixed flow pump has the advantages of simple structure, small volume, light weight and convenient operation and maintenance. Its working characteristics are: the flow is greater than the centrifugal pump, less than the axial flow pump, the head is less than the centrifugal pump, more than the axial flow pump, so it is more suitable for use in the plain area with the head of 5-10 meters, and is a more popular agricultural pump. The water pump adopts vertical shaft single foundation structure with vertical motor. The motor is directly set on the water pump, which avoids the disadvantage that the old pump motor and water pump are respectively placed in the upper and lower floors for operation, and the installation and maintenance are extremely inconvenient. The product has high operation reliability.

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混流泵有蜗壳式和导叶式两种,以蜗壳式较为常见(图1)