The liquid oxygen equipment is a full low pressure air separation unit with normal temperature molecular sieve adsorption purification, full pressurized expansion cycle refrigeration process and all aluminum structure in the fractionator. The process adopts positive flow pressurized expansion refrigeration, which can continuously produce more than 99.6% of liquid oxygen products. It has the characteristics of reliable performance, advanced technology, stable operation, simple operation, convenient maintenance and reasonable cost, and has been proved by practice; this type of air separation plant has reached the advanced level in China during the design and manufacturing period, and the liquid output of the equipment is 200-1000nm³ / h.

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