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  What are the restrictions on the amount of expanded air entering the upper tower of DEAR air separation unit?
01/13
What are the restrictions on the amount of expanded air entering the upper tower of DEAR air separation unit?
Attention should be paid to the following problems when using: the liquid level in the liquid oxygen tank should not be lower than 20% at any time; the acetylen
  Why are acetylene the most dangerous substance in DEAR air separation equipment parts?
01/12
Why are acetylene the most dangerous substance in DEAR air separation equipment parts?
When water enters the cold accumulator (or switching heat exchanger) to freeze and block the channel, the resistance will be greatly increased, the upper tower
  What are the types of dry filters for DEAR air separation units? What are the pros and cons of each?
01/11
What are the types of dry filters for DEAR air separation units? What are the pros and cons of each?
The heat transfer coefficient K increases with the increase of fluid velocity. However, increasing the flow rate will increase the flow resistance and increase
  DEAR air separation:What is stage cooling? What are its advantages and disadvantages?
01/10
DEAR air separation:What is stage cooling? What are its advantages and disadvantages?
When the high pressure of the heat exchanger rises to near the maximum starting pressure, open the throttle-1 valve, keep the medium pressure in the range of 0.
  How does the DEAR air separation unit analyze the purity of nitrogen?
01/07
How does the DEAR air separation unit analyze the purity of nitrogen?
The boiling point of 0.932% argon in the air is between oxygen and nitrogen, and the content is the highest in the middle of the upper column of the DEAR air se
  Why does DEAR air separation units extract dirty liquid nitrogen and dirty gas nitrogen in the fractionating column of a fully low-pressure oxygen generator that manufactures dual-high-purity products?
01/06
Why does DEAR air separation units extract dirty liquid nitrogen and dirty gas nitrogen in the fractionating column of a fully low-pressure oxygen generator that manufactures dual-high-purity products?
The greater the pressure difference of molecular sieve switching, the greater the pressure on the sieve bed, which will be detrimental to the safety of molecula
  What is the function of the clearance of the piston expander in the DEAR air separation unit?
01/05
What is the function of the clearance of the piston expander in the DEAR air separation unit?
When the resistance of each group is different, the gas will produce bias flow, resulting in uneven gas flow distribution. The group with small resistance has a
  What are the causes of tower overpressure on the full low pressure process of DEAR air separation unit? What should be done?
01/04
What are the causes of tower overpressure on the full low pressure process of DEAR air separation unit? What should be done?
Scale attached to the cooler wall, nitrogen water precooler packing, nozzle or sieve, not only affect the heat transfer, reduce the cooling effect, but also hin
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