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82问答网 > 洁净室自净时间是换一次气需要的时间吗?如果不是的话怎么设计洁净室的自净时间呢？

洁净室自净时间是换一次气需要的时间吗?如果不是的话怎么设计洁净室的自净时间呢？

2025-03-16 17:40:54

推荐回答（2个）

回答1：

自净时间是洁净室从污染状态回复到正常稳定状态的能力的体现，为从某污染状态降低到某洁净状态的时间。换气次数越大，自净时间越短。乱流洁净室的自净时间一般不超过30min。这个时间是越短越好，视实际情况而定，设计只有最大值的限定，只要不超过最大值就可以了。

回答2：

不是，一直到合格就可以了

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