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Working principle of cryogenic air separation equipment

Working principle of cryogenic air separation equipment
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Jun 24, 2025
DEAR Air Separation Launches National Work Safety Month Public Science Initiative
May 21, 2025
Women Hold Up Half the Sky! Over Ten Outstanding Female Entrepreneurs Visit DEAR Air Separation Industrial Park
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  Since 1956 China began to have an air separation equipment manufacturing industry, and constantly meet the growing demand for industrial gases from all walks of life, in view of the then poor technology and manufacturing capacity of gas separation equipment manufacturing products, many departments rely on imported equipment to develop the national economy, in the 1950s and 1960s China mainly imported ...
Jun 27, 2025
The leakage of unit or pipeline in the cold box needs removal of perlite treatment. Since it is uncertain whether there is a leakage point in the cold box, it will have a certain impact on removal of perlite. No matter whether the leakage is liquid or air, the sand filling holes at the top should be opened first, so that the residual gas in the cold box can be slowly discharged into the atmosphere. The oxygen content of the gas in the cold box and the pressure indication in the cold box should be strictly monitored in removal of perlite process. In the process of sand stripping, it is particularly important to avoid the formation of sand free area in the middle of the cold box, so as to avoid sand storm caused by the sudden drop of pearlite sand.
Jun 26, 2025
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