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Circular economy industry solutions

With the country's continuous promotion of circular economy, DEAR Air Separation always insists on innovative research and development to provide users with advanced and reliable air separation equipment to promote the development of circular economy. 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 Circular economy industry solutions
Process flow chart of Circular economy industry solutions
Small air separation plant KDON-6000 / 3200 solution for circular economy industry
Garbage classification, environmental protection and circular economy have been widely advocated in recent years. At present, Chinese lead-acid battery industry and waste battery recycling industry are undergoing profound changes. The integration of the upstream and downstream industry chain of lead-acid battery industry will become the future development trend. KDON-6000 / 3200, a small air separation plant cooperated by DEAR air separation and its customers, is applied in the circular economy industry to practice the green environmental protection, low consumption and high efficiency. Make a contribution to beautify the environment and realize the transformation of garbage into resources. The high-quality air separation plant provided by DEAR air separation has been praised by customers for making contribution to the rise of circular economy.
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