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公开(公告)号：US20120017640A1
公开(公告)日：2012-01-26
申请号：US13202101
申请日：2010-02-02
申请人： Heinz Bauer , Rainer Sapper , Georg Schopfer , Daniel Garthe
发明人： Heinz Bauer , Rainer Sapper , Georg Schopfer , Daniel Garthe
IPC分类号： F25J3/02
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/06 , F25J2200/72 , F25J2200/78 , F25J2210/04 , F25J2230/42 , F25J2230/60 , F25J2235/60 , F25J2245/02 , F25J2245/42 , F25J2280/20
摘要： A process for separating off a nitrogen-rich fraction from a feed fraction containing essentially nitrogen and hydrocarbons, wherein the feed fraction is separated by rectification a nitrogen-rich fraction and a methane-rich fraction, is described.According to the invention, during an interruption of the supply of the feed fraction, at least temporarily, the nitrogen-rich fraction (4″) and the methane-rich fraction (5″) are compressed and jointly supplied to the process as feed fraction, wherein the compression of the nitrogen-rich fraction (4″) and the methane-rich fraction (5″) can be performed separately and/or jointly.
摘要翻译： 描述了从基本上含有氮和烃的进料馏分中分离出富氮馏分的方法，其中通过精馏将进料馏分分离成富氮馏分和富含甲烷馏分。 根据本发明，在进料馏分的供给中断期间，至少暂时将富氮馏分（4“）和富甲烷馏分（5”）压缩并共同供给至该方法作为进料馏分 其中富氮馏分（4“）和富甲烷馏分（5”）的压缩可以分开地和/或共同地进行。
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公开(公告)号：US08435403B2
公开(公告)日：2013-05-07
申请号：US13148484
申请日：2010-02-02
IPC分类号： C10G31/06
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/06 , F25J2200/72 , F25J2200/78 , F25J2210/42 , F25J2210/62 , F25J2235/60 , F25J2245/90 , F25J2270/904 , F25J2280/20
摘要： A process is described for removing a nitrogen-rich fraction from a feed fraction containing essentially nitrogen and hydrocarbons, wherein the feed fraction is partially condensed and fractionated by rectification into a nitrogen-rich fraction and a methane-rich fraction.According to the invention during an interruption in the supply of the feed fraction, the separation column(s) (T1/T2) used for the fractionation by rectification and also the heat exchangers used for the partial condensation (E1) of the feed fraction and the cooling and warming of process streams occurring in the fractionation by rectification (E2) are kept by means of one or more differing cooling media (6-11) at temperature levels which correspond essentially to the temperature levels during standard operation of the separation column(s) (T1/T2) and the heat exchangers (E1, E2).
摘要翻译： 描述了用于从基本上含有氮和烃的进料馏分中除去富氮馏分的方法，其中进料部分被部分冷凝，并通过精馏分馏成富含富馏馏分和富甲烷馏分。 根据本发明，在进料馏分供给中断期间，用于精馏分馏的分离塔（T1 / T2）以及用于进料部分的部分冷凝（E1）的热交换器和 通过整流（E2）分馏过程中发生的工艺物流的冷却和升温通过一个或多个不同的冷却介质（6-11）保持，温度水平基本上与分离塔的标准操作期间的温度水平相对应 s）（T1 / T2）和热交换器（E1，E2）。
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公开(公告)号：US20120041248A1
公开(公告)日：2012-02-16
申请号：US13148484
申请日：2010-02-02
IPC分类号： C07C7/09
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/06 , F25J2200/72 , F25J2200/78 , F25J2210/42 , F25J2210/62 , F25J2235/60 , F25J2245/90 , F25J2270/904 , F25J2280/20
摘要： A process is described for removing a nitrogen-rich fraction from a feed fraction containing essentially nitrogen and hydrocarbons, wherein the feed fraction is partially condensed and fractionated by rectification into a nitrogen-rich fraction and a methane-rich fraction.According to the invention during an interruption in the supply of the feed fraction, the separation column(s) (T1/T2) used for the fractionation by rectification and also the heat exchangers used for the partial condensation (E1) of the feed fraction and the cooling and warming of process streams occurring in the fractionation by rectification (E2) are kept by means of one or more differing cooling media (6-11) at temperature levels which correspond essentially to the temperature levels during standard operation of the separation column(s) (T1/T2) and the heat exchangers (E1, E2).
摘要翻译： 描述了用于从基本上含有氮和烃的进料馏分中除去富氮馏分的方法，其中进料部分被部分冷凝，并通过精馏分馏成富含富馏馏分和富甲烷馏分。 根据本发明，在进料馏分供给中断期间，用于精馏分馏的分离塔（T1 / T2）以及用于进料馏分的部分冷凝（E1）的热交换器和 通过整流（E2）分馏过程中发生的工艺物流的冷却和升温通过一个或多个不同的冷却介质（6-11）保持，温度水平基本上与分离塔的标准操作期间的温度水平相对应 s）（T1 / T2）和热交换器（E1，E2）。
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公开(公告)号：US20110209499A1
公开(公告)日：2011-09-01
申请号：US13127724
申请日：2009-11-03
申请人： Heinz Bauer , Rainer Sapper , Martin Gwinner , Georg Schopfer
发明人： Heinz Bauer , Rainer Sapper , Martin Gwinner , Georg Schopfer
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/06 , F25J2200/72 , F25J2200/76 , F25J2200/78 , F25J2235/60 , F25J2245/42 , F25J2250/02 , F25J2270/42 , F25J2280/02
摘要： A process is described for separating off a nitrogen-rich fraction from a feed fraction containing essentially nitrogen and hydrocarbons, wherein the feed fraction is separated by rectification into a nitrogen-rich fraction and a methane-rich fraction and wherein the methane-rich fraction for the purpose of cold generation is vaporized and superheated at a pressure as high as possible against the feed fraction which is to be cooled.According to the invention the still liquid or partially vaporized methane-rich fraction (5′) is fed to a circulation vessel (D), only the liquid fraction of the methane-rich fraction (5′) occurring in the circulation vessel (D) is completely vaporized, preferably in natural circulation, and the top product (7) of the circulation vessel (D) is superheated (E1).
摘要翻译： 描述了一种用于从基本上含有氮和烃的进料馏分中分离富氮馏分的方法，其中通过精馏将进料馏分分离成富氮馏分和富含甲烷的馏分，其中富含甲烷的馏分用于 冷发生的目的是在对待冷却的进料馏分尽可能高的压力下蒸发和过热。 根据本发明，仍然液体或部分蒸发的富甲馏分（5'）被供给到循环容器（D）中，仅循环容器（D）中出现的富甲馏分（5'）的液体馏分 完全蒸发，优选在自然循环中，循环容器（D）的顶部产物（7）过热（E1）。
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公开(公告)号：US20120047946A1
公开(公告)日：2012-03-01
申请号：US13215320
申请日：2011-08-23
申请人： Heinz BAUER , Georg Schopfer , Jurgen Witte
发明人： Heinz BAUER , Georg Schopfer , Jurgen Witte
IPC分类号： F25J3/02
CPC分类号： B01D3/06 , B01D3/007 , B01D3/322 , F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/02 , F25J2200/04 , F25J2200/30 , F25J2200/72 , F25J2200/74 , F25J2215/04 , F25J2220/64 , F25J2230/32 , F25J2230/60 , F25J2245/02 , F25J2250/02 , F25J2290/40
摘要： The invention relates to a method for resolving a hydrocarbon-rich, nitrogen-containing feed fraction (1, 1′), preferably natural gas, is described, wherein the feed fraction (1, 1′) is separated by rectification (T1, T2) into a nitrogen-enriched fraction (5) and a hydrocarbon-rich, nitrogen-depleted fraction (10), and wherein the separation by rectification proceeds in a rectification column consisting of a preseparation column (T1) and a main separation column (T2). A liquid fraction (6) is taken off from the main separation column (T2) above the feed-in site(s) of the fraction (7, 7′, 7″) that is taken off from the preseparation column (T1) and fed to the main separation column (T2), and the liquid fraction (6) is applied to the preseparation column (T1) as reflux.
摘要翻译： 本发明涉及一种用于分离富烃的含氮进料馏分（1,1'），优选天然气的方法，其中进料馏分（1,1'）通过精馏（T1，T2）分离 ）分离成富氮馏分（5）和富含烃的贫氮馏分（10），精馏分离在由分离塔（T1）和主分离塔（T2）构成的精馏塔中进行 ）。 从分离塔（T1）中取出的馏分（7,7'，7“）的进料位置上方的主分离塔（T2）中取出液体馏分（6）， 进料到主分离塔（T2），并将液体馏分（6）作为回流加到预分离塔（T1）上。
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公开(公告)号：US08794031B2
公开(公告)日：2014-08-05
申请号：US13215320
申请日：2011-08-23
申请人： Heinz Bauer , Georg Schopfer , Jurgen Witte
发明人： Heinz Bauer , Georg Schopfer , Jurgen Witte
IPC分类号： F25J3/02
CPC分类号： B01D3/06 , B01D3/007 , B01D3/322 , F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J2200/02 , F25J2200/04 , F25J2200/30 , F25J2200/72 , F25J2200/74 , F25J2215/04 , F25J2220/64 , F25J2230/32 , F25J2230/60 , F25J2245/02 , F25J2250/02 , F25J2290/40
摘要： The invention relates to a method for resolving a hydrocarbon-rich, nitrogen-containing feed fraction (1, 1′), preferably natural gas, is described, wherein the feed fraction (1, 1′) is separated by rectification (T1, T2) into a nitrogen-enriched fraction (5) and a hydrocarbon-rich, nitrogen-depleted fraction (10), and wherein the separation by rectification proceeds in a rectification column consisting of a preseparation column (T1) and a main separation column (T2). A liquid fraction (6) is taken off from the main separation column (T2) above the feed-in site(s) of the fraction (7, 7′, 7″) that is taken off from the preseparation column (T1) and fed to the main separation column (T2), and the liquid fraction (6) is applied to the preseparation column (T1) as reflux.
摘要翻译： 本发明涉及一种用于分离富烃的含氮进料馏分（1,1'），优选天然气的方法，其中进料馏分（1,1'）通过精馏（T1，T2）分离 ）分离成富氮馏分（5）和富含烃的贫氮馏分（10），精馏分离在由分离塔（T1）和主分离塔（T2）构成的精馏塔中进行 ）。 从分离塔（T1）中取出的馏分（7,7'，7“）的进料位置上方的主分离塔（T2）中取出液体馏分（6）， 进料到主分离塔（T2），并将液体馏分（6）作为回流加到预分离塔（T1）上。
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