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Large Air Separation Unit
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External Compression ASU
Through deep optimization of the process, the operating pressure of the raw material air compressor can be reduced as low as 0.43 MPa, the upper and lower towers are all equipped with high-efficiency distillation packings, and the main cooling adopts new multi-layer heat exchangers. After the techno...
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Full Liquid ASU
It is largely dedicated to producing liquid gas products, with no or small amount of gaseous product. The liquid air separation equipment is mainly classified into low-pressure circulation flow process, low-pressure circulation flow process with low-temperature freezing machine, medium-pressure circ...
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Internal Compression ASU
The liquid oxygen is pressurized to the required pressure in the cold box through liquid oxygen pumps, and then it exchanges heat with the pressurized air pressurized by the booster compressor through the medium pressure heat exchanger, then gasified, and finally the gas is sent to the users. The pr...
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Rich Oxygen plant
In comparison with conventional pure oxygen air separation process and VPSA process, the three-column low-temperature rectification process developed by Kaiyuan Air Separation for blast furnace ironmaking, non-ferrous metallurgy and oxygen-enriched gas generation has greatly reduced the pressure of ...
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High Purity Nitrogen Plant
An air separation unit dedicated to the production of pure nitrogen. According to different requirements of the end users for pressure grade of pure nitrogen product, the flow process of pure nitrogen equipment mainly includes orthoflow air expansion, waste nitrogen return expansion, double column o...
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