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你知道壓力容器氣密性試驗的作用嗎?

壓力容器氣密性試驗主要是檢驗容器的各聯接部位是否有泄露現象,介質毒性程度為高度危害或設計上不允許有微量泄露的壓力容器,必須進行氣密性試驗,那么壓力容器如何才能進行氣密性試驗呢?

壓力容器應按以下要求進行氣密性試驗:

1、氣密性試驗應在液壓試驗合格后進行。對設計要求作氣壓試驗的壓力容器,氣密性試驗可與氣壓試驗同時進行,試驗壓カ應為氣壓試驗的壓力。

2、碳素鋼和低合金鋼制成的壓力容器,其試驗用氣體的溫度應不低于5℃其它材料制成的壓力容器按設計圖樣規定。

3、氣密性試驗所用氣體,應為干燥、清潔的空氣、氮氣或其他惰性氣體。

4、進行氣密性試驗時,安全附件應安裝齊全。

5、試驗時壓力應緩慢上升,達到規定試驗壓力后保壓10分鐘,然后降至設計壓力,對所有焊縫和連接部位涂刷肥皂水進行檢査,以無泄漏為合格。

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