Energy-saving air separation unit

Energy saving and consumption reduction is the main theme of economic development at this stage. Energy saving air separation unit reduces costs and improves resource utilization, so it is welcomed by the market. DEAR air separation is committed to building energy-saving air separation unit to achieve cost reduction and efficiency increase for customers. The company has two ultra-low pressure discharge energy-saving technology patents, so that the air compressor exhaust pressure from the traditional 0.52mpag to 0.412mpag, saving operating costs.

Faq of Energy-saving air separation unit

Typical process description of oxygen and nitrogen air separation unit

The purified air enters the fractionator and exchanges heat with the returned polluted nitrogen, oxygen and nitrogen through the main heat exchanger. After cooling, a small part of it is liquefied, and the gas-liquid mixed air is throttled to the pressure of 0.55 MPa. After distillation, 99.999% pure nitrogen is obtained at the top of the lower column, and then it enters the main cooling column, and is condensed into liquid nitrogen by evaporation of liquid oxygen in the upper column. A part of liquid nitrogen is returned to the lower column as reflux liquid, and the remaining liquid nitrogen is throttled after cooling. Enter the sprayer at the top of the upper column. The bottom residue is liquid air containing 38% oxygen. After passing through the liquid air subcooler, it enters the middle of the upper column to participate in distillation. At the same time, the polluted liquid nitrogen flow is drawn out from the middle of the lower column and then enters the upper column as reflux l

Oct 30, 2020