Why is the pressure in the lower tower of the air separation equipment higher than that in the upper tower?

What are the upgrade and renovation plans for the Smart Blue Coast air separation operation and maintenance system?

Centrifugal compressor is a kind of turbine compressor, with more characteristics such as handling gas volume, small size, simple structure, smooth operation, easy maintenance and gas is not oil pollution, can be used in the form of drive. Centrifugal compressor principle of operation, the main goal of increasing gas pressure is to increase the number of gas molecules per unit volume, that is, to s...