发明名称 |
METHOD FOR PRODUCING LIQUID AND GASEOUS NITROGEN STREAMS, A HELIUM-RICH GASEOUS STREAM, AND A DENITROGENED HYDROCARBON STREAM, AND ASSOCIATED PLANT |
摘要 |
The method of the invention includes cooling an inlet stream (72) within an upstream heat exchanger (28). The method includes feeding the cooled inlet stream (76) into a fractioning column (50) and collecting the denitrogenated hydrocarbon stream at the bottom of the column (50). The method includes feeding a nitrogen-rich stream (106) from the head of the column (50) into a disengager (60) and collecting the gaseous head stream from the disengager (60) in order to form the helium-rich stream (20). The liquid stream (110) from the base of the first disengager (60) is separated into a liquid nitrogen stream (18) and into a first reflux stream (114) that is fed as a reflux into the head of the fractioning column (50). |
申请公布号 |
EA020215(B1) |
申请公布日期 |
2014.09.30 |
申请号 |
EA20110000584 |
申请日期 |
2009.10.02 |
申请人 |
TECHNIP FRANCE |
发明人 |
PARADOWSKI HENRI;VOVARD SYLVAIN |
分类号 |
F25J3/02;F25J1/02 |
主分类号 |
F25J3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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