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Oxygen production of air separation

Oxygen production of air separation
The working principle of oxygen production of air separation is that according to the different boiling points of various gases in the air, it is pressurized, precooled, purified and liquefied by using most of the cooling capacity provided by the turbo expander, and then rectification is carried out to obtain the required oxygen / nitrogen products. The oxygen generation system of air separation includes air compressor system, precooling system, molecular sieve purification system, booster expander system, fractionator system, oxygen / nitrogen compressor system and pressure regulating station system.
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Dec 29, 2018
Two athletes went to the wild for exploration. One was the champion of long jump and the other was the champion of swimming.They encountered a deep di
Sep 10, 2018
On September 10, the news came from the science and technology bureau that DEAR air separation (hereinafter referred to as "DEAR") had successfully pa
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The load regulation range of low pressure air separation unit is related to the regulating performance of feed air compressor, the regulating performance of expander and the structural characteristics of distillation column. At present, the flow regulation range of turbine air compressor with inlet guide vane is 75% to 100%, and that of turbocharged expander with adjustable nozzle is 65% to 100%. Next, the most important thing is to adjust the residual of the distillation column. At present, the load regulation range of distillation column with structured packing can reach 50% - 100%, while that of traditional sieve tray column is 70% - 100%. If the load is too low, it will cause liquid leakage because the speed of steam passing through the sieve is too slow. When oxygen is sufficient and the oxygen output needs to be reduced, first reduce the output of oxygen products, then reduce the air flow accordingly, and adjust the expansion air volume according to the main cooling level. The
Nov 13, 2020
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