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如何选择合适的工业泵?

date.png 2019-11-27 16:28:21

由于化工资料的特性比拟复杂,再加上我们鼎力开展的环境维护请求,我们一些企业应该怎样对化工泵停止选型呢?不一样的工作环境、不一样的材质等等貌似都是对我们停止化工泵选型的拦路虎。那接下来我就为大家引见一下吧。

1. 流量是选泵的重要性能数据之一,它直接关系到整个安装的的消费才能和保送才能。 如设计院工艺设计中能算出泵正常、小、大三种流量。选择泵时,以大流量为根据,统筹正常流量,在没有大流量时,通常可取正常流量的1.1倍作为大流量。

2. 安装系统所需的扬程是选泵的又一重要性能数据,普通要用放大5%-10%余量后扬程来选型。

3. 液体性质,包括液体介质称号,物理性质,化学性质和其它性质,这触及到系统的扬程,有效气蚀余量计算和适宜泵的类型,选用泵资料和选用那一种轴封型式等。

4. 安装系统的管路布置条件指的是送液高度送液间隔送液走向,吸如侧低液面,排出侧高液面等一些数据和管道规格及其长度、资料、管件规格、数量等,以便停止系梳扬程计算和汽蚀余量的校核。

5. 操作条件确实定,如液体的操作T饱和蒸汽力、吸入侧压力、排出侧容器压力、海拔高度、环境温度操作是间隙的还是连续的、泵的位置是固定的还是可移的。都是选型时的重要根据。

Due to the complexity of chemical data and the requirement of environmental maintenance, how can some enterprises stop the selection of chemical pumps? Different working environment, different materials and so on seem to be obstacles for us to stop the selection of chemical pumps. Let me introduce you to you next.


1. The flow is one of the important performance data of the pump, which is directly related to the consumption ability and guarantee ability of the whole installation For example, the design institute can calculate the normal, small and large flow of the pump in the process design. When selecting a pump, the normal flow shall be taken as a whole based on the large flow. When there is no large flow, 1.1 times of the normal flow can be taken as the large flow.


2. The head required for the installation of the system is another important performance data of the pump, which is usually selected by enlarging the head by 5% - 10% margin.


3. Liquid property, including liquid medium title, physical property, chemical property and other properties, which involves the head of the system, calculation of effective cavitation allowance and suitable pump type, selection of pump data and selection of shaft seal type, etc.


4. The pipeline layout conditions of the installation system refer to some data such as liquid delivery height, liquid delivery interval, liquid delivery direction, suction side low liquid level, discharge side high liquid level, pipe specification and length, data, pipe fitting specification, quantity, etc., so as to stop the calculation of comb head and the calibration of NPSH.


5. The operation conditions are definite, such as saturated steam force of liquid operation T, suction side pressure (absolute), discharge side vessel pressure, altitude, ambient temperature, whether the operation is intermittent or continuous, and whether the position of pump is fixed or movable. They are the important basis for model selection.


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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