节能设备疏水器的选择技巧

日期： 2024-04-09 作者：晟德亿编辑

疏水器的选择：选择疏水器时，不能单纯从最大排放量选择，应特别注意：绝不允许只根据管径大小来套用疏水器，必须根据疏水器选择原则并结合凝结水系统的具体情况来选用，一般情况下，应按以下三个方面选用：

1.首先根据加热设备和对排出凝结水的要求，选择确定疏水器的型式。

对于要有最快的加热速度，加热温度控制要求严的加热设备，需保持在加热设备中不能积存凝结水，只要有水就得排，则选择能排饱和水的机械型疏水器为最好。因为它是有水就排的疏水器，能及时消除设备中因积水造成的不良后果，迅速提高和保证设备所要求的加热效率。

2.其次根据用汽设备的最高工作压力、最高工作温度，确定疏水器的公称压力、阀体材质；确定疏水器的连接方式、安装方式等。

疏水器的公称压力一般分为：0.6Mpa、1.0Mpa、2.0Mpa、2.5Mpa、4.0Mpa、5.0Mpa。在选用时，疏水器的公称压力不能低于蒸汽使用设备的最高工作压力。同时，根据疏水器公称压力、最高工作温度、安装环境等选定阀体的材料。

3.最后根据排水量的大小，选择确定疏水器的性能参数。

除疏水器的压力、温度等参数应与所使用的设备条件相匹配外，疏水器各种压差下的排水量，则是选择疏水器的一个重要因素。随着阀体增大，其制造成本也将增大，不经济。因此，对设备或管道内产生的凝结水量，必须正确的测定或根据计算式求出，为正确选用疏水器提供条件。

上一篇：气动冷凝水回收装置的应用背景和工作原理介绍下一篇：汽水分离器技术优势

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