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What factors are related to the load regulation range of low-pressure air separation equipment

What factors are related to the load regulation range of low-pressure air separation equipment
Oct 07, 2023
Author: DEAR AST

The load regulation range of low-pressure air separation equipment is related to factors such as the regulation performance of the raw material air compressor, the regulation performance of the expander, and the structural characteristics of the distillation tower.

At present, the flow regulation range of turbine air compressors with imported guide vanes is between 75% and 100%; The adjustment range of a turbine expander with adjustable nozzles can be between 65% and 100%. The key is the adjustment margin of the distillation tower. At present, the load adjustment range of distillation columns using regular packing can reach 50% to 100%, while the best adjustment range for traditional sieve plate columns is 70% to 100%. Any lower load may result in liquid leakage due to the low speed of steam passing through the sieve holes.

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