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85问答库 > 谁能介绍一下煤气排水器的构造和原理啊！！有图片说明就更好了！！

谁能介绍一下煤气排水器的构造和原理啊！！有图片说明就更好了！！

2025-03-16 07:05:08

推荐回答（1个）

回答1：

排水器主要是利用水封的高度封住煤气，由于介质压力不同，为了保持设备高度在便于操作维修的范围内，分别有单水封、复室水封等。一般排水器的水封高度在1000毫米以内采用单水封，超过1000毫米采用复室水封或多室水封。排水器的水封高度一般在计算压力之外加500毫米水柱的高度。
冷凝液较多时，聚积在管道内使管道断面减少，造成煤气压力波动，增加压力降，在低洼地段形成水封使输气停止，也有可能使管道内积水过多，管道荷载过大而坍塌。

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