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DEAR air separation continues to innovate and develop, providing users with assured equipment to allow users to benefit as soon as possible. Adopt molecular sieve adsorption, full-pressure low-pressure process technology of turboexpander refrigeration. This device includes: air filtration system, air compression system, air pre-cooling system, molecular sieve purification system, turbine expansion unit, oxygen pressure system, nitrogen pressure system, liquid Storage system, instrument control system, electric control system. After removing the mechanical impurities such as dust in the air filter, the raw air enters the air turbine compressor, compresses the air to the required pressure, and then enters the air cooling tower for heat exchange with water and then enters two alternate molecular sieve adsorption. Device, where impurities such as moisture, CO2, C2H2 in the raw air are adsorbed by the molecular sieve. Part of the gas is drawn from the middle of the main heat exchanger, enters the expander, and the expanded air enters the upper tower. After the air enters the main heat exchanger, it is cooled to the saturation temperature by the return gas and enters the lower tower with a small amount of liquid. After the air is initially rectified by the lower tower, an oxygen-enriched liquid air is obtained in the lower tower. After the liquid air is cooled by the cooler, it is throttled into the upper tower. After the upper tower is further rectified, oxygen at the bottom of the upper tower is obtained with a purity of 99.6% The oxygen of this product is reheated by the main heat exchanger and then sent out to the user after being discharged from the cold box. 99.999% nitrogen is obtained from the top of the upper tower, and it is returned to the cold box after being reheated by the cooler and the main heat exchanger. The polluted nitrogen is led out from the top of the upper tower, reheated by the cooler and the main heat exchanger, and then exits the cold box. After being heated by the regeneration heater, it is used as the molecular sieve regeneration gas and the excess gas is vented.
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Process flow chart of Building materials industry solutions
Process flow chart of Building materials industry solutions
Type 8000/2000-240 solution for small and medium-sized air separation plant in circular economy industry
Circular economy is also characterized by resource conservation and recycling, which is a harmonious economic development mode with the environment. All materials and energy can be used reasonably and persistently in this continuous economic cycle, in order to reduce the impact of economic activities on the natural environment as small as possible. As an emerging industry, the market development in the future is inestimable.
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  • Large air separation
  • Small air separation
  • High purity nitrogen air separation
  • Liquefaction air separation
  • Complete air separation
  • Biogas purification
  • Air separation parts
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