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    • 3. 发明申请
    • PROCESS AND INSTALLATION FOR SUPPLYING GASEOUS CARBON MONOXIDE BY CRYOGENIC DISTILLATION
    • 通过低温蒸馏提供气体一氧化碳的工艺和安装
    • WO2012175635A3
    • 2015-08-20
    • PCT/EP2012062020
    • 2012-06-21
    • AIR LIQUIDEBROCHERIOU EMMANUELLEPRASAD BHADRIRIVOAL AUDREYVICTOR MARIE-PASCAL
    • BROCHERIOU EMMANUELLEPRASAD BHADRIRIVOAL AUDREYVICTOR MARIE-PASCAL
    • F25J3/02
    • F25J3/0223F25J3/0233F25J3/0252F25J3/0257F25J3/0261F25J2200/70F25J2200/76F25J2205/30F25J2215/04F25J2250/30F25J2270/02F25J2270/04F25J2270/08F25J2270/24F25J2280/02F25J2280/20
    • In a process for supplying gaseous carbon monoxide by cryogenic distillation, a feed gas (1), containing carbon monoxide as at least one of its principal components and at least one other components chosen from methane, nitrogen and hydrogen, is purified using an adsorption step in one of at least two adsorbent beds (3) to produce a purified feed gas to be sent to the separation unit comprising at least one distillation column (7, 19, 27), the separation unit separates the feed gas to produce gaseous carbon monoxide and the gaseous carbon monoxide is compressed in a product compressor (35) to produce a final product at a product pressure, refrigeration is supplied to the process by a carbon monoxide cooling cycle in which a cycle fluid is compressed in at least the product compressor, cooled and expanded, at least part of the carbon monoxide is liquefied to form pressurised liquefied carbon monoxide and part of the pressurised liquefied carbon monoxide (51 A, 53A, 59A), is vaporised at the product pressure to form a pressurised gaseous back-up stream which is then mixed with the final product, vaporisation of the carbon monoxide taking place only when there is an increase in demand for pressurised carbon monoxide.
    • 在通过低温蒸馏提供气态一氧化碳的方法中,使用吸附步骤纯化含有一氧化碳作为其主要成分中的至少一种和至少一种选自甲烷,氮和氢的其它组分的进料气体(1) 在至少两个吸附剂床(3)中的一个中以产生待送至包含至少一个蒸馏塔(7,19,27)的分离单元的纯化进料气体,分离单元分离进料气体以产生气态一氧化碳 并且气体一氧化碳在产品压缩机(35)中被压缩以在产品压力下产生最终产品,通过至少在产品压缩机中循环流体被压缩的一氧化碳冷却循环向该过程供应制冷, 冷却和膨胀,至少部分一氧化碳液化以形成加压液化一氧化碳,并且部分加压液化一氧化碳(51A,53A,59A)被蒸发在 产品压力以形成加压的气态后备料流,然后与最终产物混合,一氧化碳的蒸发仅在加压一氧化碳需求增加时发生。