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水泵在安插管道时候应该注意什么?

date.png 2019-12-12 09:49:09

在设计安插管道时,应注意以下事变:

(1)合理选定管道直径,管道直径大,在相像流量下、液流速度小,阻力损失小,但价格高,管道直径小,会导致阻力损失急剧增大,使所选泵的扬程增长,配带功率增长,老本和运行价格都增长。是以应从技术和经济的角度概括考虑。

(2)排挤管及其管讨论应试虑所能承受的非常大压力。

(3)管道安插应尽大概安插成直管,尽量减小管道中的附件和尽量收缩管道长度,必需转弯的时候,弯头的弯曲半径应当是管道直径的3~5倍,角度尽大概大于90℃。

(4)泵的排挤侧必需装设阀门(球阀或截止阀等)和逆止阀。阀门用来调治泵的工况点,逆止阀在液体倒流时可防备泵反转,并使泵避免水锤。(当液体倒流时,会发生巨大的反向压力,使泵毁坏)

When designing and installing pipelines, the following matters shall be noted:


(1) reasonable selection of pipe diameter, large pipe diameter, small liquid flow speed and small resistance loss under similar flow, but high price and small pipe diameter will lead to sharp increase of resistance loss, increase of head of selected pump, increase of belt power, increase of cost and operation price. It should be generally considered from the perspective of technology and economy.


(2) the pressure that the extrusion pipe and its pipe can bear should be considered.


(3) the pipes shall be inserted into straight pipes as much as possible, and the accessories in the pipes shall be minimized and the pipe length shall be contracted as much as possible. When it is necessary to turn, the bending radius of the elbow shall be 3-5 times of the pipe diameter, and the angle shall be greater than 90 ℃.


(4) valves (ball valve or stop valve, etc.) and check valves must be installed on the pump's extrusion side. The valve is used to regulate the working point of the pump. The check valve can prevent the pump from reversing when the liquid flows back, and prevent the pump from water hammer attack. (when the liquid flows back, a huge reverse pressure will occur, which will destroy the pump)


联系方式

ico04
联系人

徐经理

ico01
电话

0312-3426976

ico06
手机

13932271419

ico05
QQ

632469545

ico03
邮箱

632469545@qq.com

ico02
地址

河北安国市石佛镇路景工业园区景旺路8号

 
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