公开(公告)号：US20140165649A1

公开(公告)日：2014-06-19

申请号：US13718096

申请日：2012-12-18

申请人： AIR LIQUIDE PROCESS & CONSTRUCTION, INC

发明人： Bao HA ,  Daniel Gary ,  Purushottam V. Shanbhag

IPC分类号： F25J3/06

CPC分类号： F25J3/08 ,  F25J3/0285 ,  F25J2200/02 ,  F25J2200/04 ,  F25J2200/40 ,  F25J2200/50 ,  F25J2200/72 ,  F25J2205/40 ,  F25J2205/60 ,  F25J2210/58 ,  F25J2220/04 ,  F25J2235/06 ,  F25J2235/58 ,  F25J2270/58 ,  F25J2270/904

摘要： An argon purification system is provided which includes a cryogenic heat exchanger, a cryogenic distillation column. The cryogenic heat exchanger is configured to remove heat from a pre-treated argon waste stream to create a cold feed stream. The cryogenic distillation column includes packing, a reboiler, and an overhead condenser, as well as an upper portion and a lower portion and is configured to receive a liquid feed stream and to produce a bottoms argon product stream and a gas waste stream. The reboiler is positioned in the lower portion of the cryogenic distillation column and is configured to condense the cold feed stream to produce the liquid feed stream. The condenser is positioned in the upper portion of the cryogenic distillation column and is configured to heat the bottoms argon product stream such that the bottoms argon product stream evaporates to a purified vapor phase argon stream.

摘要翻译： 提供了一种氩气净化系统，其包括低温热交换器，低温蒸馏塔。 低温热交换器被配置为从预处理的氩废物流中除去热量以产生冷进料流。 低温蒸馏塔包括填料，再沸器和顶部冷凝器，以及上部和下部，并且构造成接收液体进料流并产生塔底氩产物流和废气流。 再沸器位于低温蒸馏塔的下部，并且构造成冷凝冷进料流以产生液体进料流。 冷凝器定位在低温蒸馏塔的上部，并且构造成加热底部氩产物流，使得塔底氩产物流蒸发成纯化的气相氩气流。

公开(公告)号：US20140165648A1

公开(公告)日：2014-06-19

申请号：US13718029

申请日：2012-12-18

申请人： AIR LIQUIDE PROCESS & CONSTRUCTION, INC.

发明人： Bao HA ,  Daniel Gary ,  Purushottam V. Shanbhag

IPC分类号： F25J3/02

CPC分类号： F25J3/0285 ,  C01B23/0094 ,  C01B2210/0004 ,  C01B2210/0009 ,  C01B2210/0015 ,  C01B2210/0034 ,  C01B2210/0045 ,  C01B2210/0046 ,  C01B2210/005 ,  C01B2210/0051 ,  C01B2210/0053 ,  C01B2210/0062 ,  C01B2210/007 ,  F25J3/08 ,  F25J2200/02 ,  F25J2200/04 ,  F25J2200/40 ,  F25J2200/50 ,  F25J2200/72 ,  F25J2205/40 ,  F25J2205/60 ,  F25J2210/58 ,  F25J2220/04 ,  F25J2235/06 ,  F25J2235/58 ,  F25J2270/58 ,  F25J2270/904

摘要： A method for purifying an argon stream is provided. The method includes pretreating an argon waste stream to remove impurities to provide a pre-treated argon waste stream having argon, nitrogen, and hydrogen; cooling the argon waste stream to create a cold feed stream; and condensing the cold feed stream to create a liquid feed stream. The liquid feed stream is fed to the cryogenic distillation column to create a bottoms argon product stream and a gas waste stream. The bottoms argon product stream travels to an expansion device to provide a cooled bottoms argon product stream, which can optionally be combined with an argon lift stream downstream of the expansion device. The combined argon lift stream and cooled bottoms argon product stream are fed to the overhead condenser and vaporized to create a purified vapor phase argon stream.

摘要翻译： 提供了一种纯化氩气流的方法。 该方法包括预处理氩废物流以去除杂质以提供具有氩，氮和氢的预处理氩废物流; 冷却氩气废物流以产生冷进料流; 并冷凝冷进料流以产生液体进料流。 将液体进料流送入低温蒸馏塔以产生塔底氩产物流和废气流。 塔底氩产物流传送到膨胀装置以提供冷却的底部氩产物流，其可任选地与膨胀装置下游的氩气提升流组合。 将组合的氩气提升流和冷却的底部氩产物流进料到塔顶冷凝器并蒸发以产生纯化的气相氩气流。