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Polyester manufacturing process has vacuum generated by multi-stage vapor jet vacuum driven by ethylene glycol vapor
Polyester manufacturing process has vacuum generated by multi-stage vapor jet vacuum driven by ethylene glycol vapor
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机译:聚酯制造工艺具有由乙二醇蒸气驱动的多级蒸气喷射真空产生的真空
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摘要
Generation of a vacuum for use in the manufacture of polyester fibres uses a single- or multi-stage vapor jet vacuum pump powered by ethylene glycol vapor at a pressure of 1-2 bar absolute.
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