Air separating device and method therefor
An air separation and air technology, applied in liquefaction, solidification, lighting and heating equipment, etc., can solve the problem of high power consumption
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[0020] The present invention will be further described below in conjunction with accompanying drawing 1 and embodiment.
[0021] The air compressed by the compressor is cooled in the pre-cooling system and the raw material air 101 after removing harmful impurities such as water vapor, acetylene and carbon dioxide in the purification system is divided into three streams: the first stream 103 is compressed by the booster compressor 1, and the water cooler 7 is divided into two roads after cooling, one road 105 is further pressurized by the high-pressure supercharger 2, cooled by the water cooler 8, and then enters the main heat exchanger 11, where it is cooled and liquefied by the return gas, and then passed through the section The flow is depressurized and sent to the appropriate part of the lower tower 12 to participate in rectification. The other path 104 is supercharged by the supercharger 3 of the medium-pressure supercharged turbo expander, cooled in the water cooler 9, en...
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