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Energy saving and consumption reduction of air separation

Energy saving and consumption reduction of air separation
In the use of air separation equipment, in addition to the requirements of purity and speed of gas production, energy saving and consumption reduction of air separation should be considered. Energy saving and consumption reduction of air separation unit is one of the main measures for enterprises to improve economic benefits and enhance competitiveness. Air separation equipment belongs to high energy consumption equipment, so it is also the guarantee for the long-term development of the enterprise to find ways to realize energy saving and consumption reduction of air separation.
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The air is mainly composed of 78.03% nitrogen and 20.93% oxygen and other gases. Air separation is to cool the air to a certain low temperature firstly and liquefy it into liquid air. Reuse two liquids oxygen and nitrogen with different boiling points (At atmospheric pressure, the boiling point of oxygen is - 183.98°C and that of nitrogen is - 195.8°C), separation is carried out in an air fractionator equipped with sieve plates. The air separation column is also called distillation column. Air distillation column can be divided into single-stage distillation column and double-stage distillation column, and single-stage distillation column can only produce one kind of pure product. Two stage distillation column is used to produce high purity nitrogen and oxygen in common air separation unit.
Oct 30, 2020
Due to improper adjustment of seal gas pressure during operation, liquid oxygen pump can not pump liquid or leak.   From the quality point of view, when the sealing pressure is too high, there will be gas leakage into the pump through the labyrinth seal, resulting in the impeller with gas or even idling, resulting in liquid injection or pressure drop; when the air pressure before sealing is too low, there will be liquid oxygen leakage.   From the quantity point of view, when (p1-p3...
Oct 23, 2020
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