Large air separation unit cold box overhaul

In the field of modern coal chemical industry, the air separation plant mainly provides oxygen and nitrogen. Oxygen is mainly used as gasification agent and reaction raw material, while nitrogen of different pressure levels is used as raw material nitrogen, inertia protective gas, pneumatic conveying gas and purging gas. In the past, air, oxygen-enriched or low-pressure pure oxygen were basically used as gasification agent in the domestic coal chemical industry, and the gasification efficiency, carbon conversion rate and gasification furnace capacity were all very low

In the chemical industry, the demand for air separation plant is stable. The high demand for air separation plant in modern coal chemical industry may drive the demand for large and super-large air separation plant. The 13000/22000-350 type air separation plant produced by DEAR air separation starts smoothly, all indicators reach the monitoring standard and begin to supply gas for customers. Relying on excellent products and high-quality service, DEAR air separation has received high praise from customers.