What is the allowable oxygen content in the low-pressure gas pipe network in a refinery?
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What is the allowable oxygen content in the low-pressure gas pipe network in a refinery? Is there any relevant literature or information on this issue?
The principle is that it cannot contain oxygen, and is generally controlled to be less than 0. 5%, there is no relevant literature or information on this issue. This post was last edited by Zhongyuan people on 2009-4-11 17:59 ]
It is generally controlled to be less than 0.5%. All hot work is required to be less than 0.5%. If it is greater than 0.5%, there is a possibility of explosion.
* * There are requirements for the oxygen content in gases (acetylene, natural gas, coal gas, liquefied gas, etc.), which should not exceed 0.5%.
Generally, hot work requires less than 0.5%
All gas-related requirements require oxygen content analysis to be ≯0.5%, and the replacement standards for heating furnaces and gas pipe networks are also the same.
No more than 0.5% (V), otherwise it will become explosive gas
Generally, it is required to be no more than 0.5%