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    Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air
    1.
    发明申请
    Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air 有权

    公开(公告)号：US20130205831A1

    公开(公告)日：2013-08-15

    申请号：US13816809

    申请日：2011-08-09

    申请人： Dirk Schwenk ,  Alexander Alekseev ,  Frances Masterson ,  Dimitri Goloubev

    发明人： Dirk Schwenk ,  Alexander Alekseev ,  Frances Masterson ,  Dimitri Goloubev

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04018 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/0423 ,  F25J3/04296 ,  F25J3/04351 ,  F25J3/04357 ,  F25J3/04387 ,  F25J3/04406 ,  F25J3/04412 ,  F25J3/04448 ,  F25J3/04812 ,  F25J3/04884 ,  F25J3/04933 ,  F25J2200/52 ,  F25J2240/10 ,  F25J2240/12 ,  F25J2240/44

    摘要： The invention relates to a method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air in a distillation column system for nitrogen-oxygen separation, said distillation column system having at least one high-pressure column (8) and one low-pressure column (460), wherein the low-pressure column (460) is in a heat-exchanging connection with the high-pressure column (8) by means of a main condenser (461) designed as a condenser-evaporator. Feed air is compressed in an air compressor (2). The compressed feed air (6, 734, 802, 840) is cooled down in a main heat exchanger (20) and at least partially introduced into the high-pressure column (8). An oxygen-enriched liquid (462, 465) is removed from the high-pressure column (8) and fed to the low-pressure column (460) at a first intermediate position (464, 467, 906). A nitrogen-enriched liquid (468, 470) is removed from the high-pressure column (8) and/or the main condenser (461) and fed to the head of the low-pressure column (460). A liquid oxygen flow (11, 12) is removed from the distillation column system for nitrogen-oxygen separation, brought to an elevated pressure in the liquid state (13), introduced into the main heat exchanger (20) at said elevated pressure, evaporated or pseudo-evaporated and heated to approximately ambient temperature in the main heat exchanger (20), and finally obtained as a gaseous compressed oxygen product (14). A high-pressure process flow (34, 734) is brought into indirect heat exchange with the oxygen flow in the main heat exchanger (20) and then depressurized (36, 38; 736, 738), wherein the depressurized high-pressure flow (37, 737) is introduced at least partially in the liquid state into the distillation column system for nitrogen-oxygen separation. A gaseous circuit nitrogen flow (18, 19) is drawn from the high-pressure column and at least partially (21) compressed in a circuit compressor (22). A first sub-flow (45, 46; 244, 242, 230; 845, 846) of the circuit nitrogen flow is removed from the circuit compressor (22, 322), cooled down in the main heat exchanger (20), at least partially condensed in the bottom evaporator (9, 209) of the high-pressure column (8) in indirect heat exchange with the bottom liquid of the high-pressure column (8), and conducted back into the distillation column system for nitrogen-oxygen separation. A second sub-flow of the circuit nitrogen flow is branched off upstream and/or downstream of the circuit compressor and/or from an intermediate stage of the circuit compressor at a product pressure (P, P1, P2, P3, P4) and obtained as a compressed nitrogen product (27, 29, 53, 564, 565). The circuit compressor (22, 322) is designed as a hot compressor and is driven by means of external energy.

    Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air
    2.
    发明授权
    Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air 有权

    公开(公告)号：US09733014B2

    公开(公告)日：2017-08-15

    申请号：US13816809

    申请日：2011-08-09

    申请人： Dirk Schwenk ,  Alexander Alekseev ,  Frances Masterson ,  Dimitri Goloubev

    发明人： Dirk Schwenk ,  Alexander Alekseev ,  Frances Masterson ,  Dimitri Goloubev

    IPC分类号： F25J3/06 ,  F25J3/04

    CPC分类号： F25J3/04018 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/0423 ,  F25J3/04296 ,  F25J3/04351 ,  F25J3/04357 ,  F25J3/04387 ,  F25J3/04406 ,  F25J3/04412 ,  F25J3/04448 ,  F25J3/04812 ,  F25J3/04884 ,  F25J3/04933 ,  F25J2200/52 ,  F25J2240/10 ,  F25J2240/12 ,  F25J2240/44

    摘要： The invention relates to a method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air in a distillation column system for nitrogen-oxygen separation, said distillation column system having at least one high-pressure column (8) and one low-pressure column (460), wherein the low-pressure column (460) is in a heat-exchanging connection with the high-pressure column (8) by means of a main condenser (461) designed as a condenser-evaporator. Feed air is compressed in an air compressor (2). The compressed feed air (6, 734, 802, 840) is cooled down in a main heat exchanger (20) and at least partially introduced into the high-pressure column (8). An oxygen-enriched liquid (462, 465) is removed from the high-pressure column (8) and fed to the low-pressure column (460) at a first intermediate position (464, 467, 906). A nitrogen-enriched liquid (468, 470) is removed from the high-pressure column (8) and/or the main condenser (461) and fed to the head of the low-pressure column (460). A liquid oxygen flow (11, 12) is removed from the distillation column system for nitrogen-oxygen separation, brought to an elevated pressure in the liquid state (13), introduced into the main heat exchanger (20) at said elevated pressure, evaporated or pseudo-evaporated and heated to approximately ambient temperature in the main heat exchanger (20), and finally obtained as a gaseous compressed oxygen product (14). A high-pressure process flow (34, 734) is brought into indirect heat exchange with the oxygen flow in the main heat exchanger (20) and then depressurized (36, 38; 736, 738), wherein the depressurized high-pressure flow (37, 737) is introduced at least partially in the liquid state into the distillation column system for nitrogen-oxygen separation. A gaseous circuit nitrogen flow (18, 19) is drawn from the high-pressure column and at least partially (21) compressed in a circuit compressor (22). A first sub-flow (45, 46; 244, 242, 230; 845, 846) of the circuit nitrogen flow is removed from the circuit compressor (22, 322), cooled down in the main heat exchanger (20), at least partially condensed in the bottom evaporator (9, 209) of the high-pressure column (8) in indirect heat exchange with the bottom liquid of the high-pressure column (8), and conducted back into the distillation column system for nitrogen-oxygen separation. A second sub-flow of the circuit nitrogen flow is branched off upstream and/or downstream of the circuit compressor and/or from an intermediate stage of the circuit compressor at a product pressure (P, P1, P2, P3, P4) and obtained as a compressed nitrogen product (27, 29, 53, 564, 565). The circuit compressor (22, 322) is designed as a hot compressor and is driven by means of external energy.

    METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF AIR
    3.
    发明申请
    METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF AIR 审中-公开
    空气分离法的方法与装置

    公开(公告)号：US20160003534A1

    公开(公告)日：2016-01-07

    申请号：US14788871

    申请日：2015-07-01

    申请人： Dimitri Goloubev

    发明人： Dimitri Goloubev

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04078 ,  F25J3/04018 ,  F25J3/04024 ,  F25J3/04054 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04145 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04393 ,  F25J3/04412 ,  F25J3/04678 ,  F25J3/04727 ,  F25J3/04812 ,  F25J2205/04 ,  F25J2240/04 ,  F25J2240/42 ,  F25J2245/50

    摘要： A method and the apparatus for the cryogenic separation of air in an air separation plant which has a main air compressor, a main heat exchanger and a distillation column system with a high-pressure column and a low-pressure column. All of the feed air is compressed in the main air compressor to a first air pressure which is at least 3 bar higher than the operating pressure of the high-pressure column. A first part of the compressed total air flow, as first air flow at the first air pressure, is cooled and liquefied or pseudo-liquefied in the main heat exchanger, then expanded and introduced into the distillation column system. A second part of the compressed total air flow, as second air flow, is post-compressed in an air post-compressor to a second air pressure and at least part is further compressed in a first turbine-driven post-compressor to a third air pressure.

    摘要翻译： 一种用于空气分离设备中的空气的低温分离的方法和装置，其具有主空气压缩机，主热交换器和具有高压塔和低压塔的蒸馏塔系统。 所有进料空气在主空气压缩机中被压缩至高于高压塔的操作压力至少3巴的第一空气压力。 压缩的总空气流的第一部分，作为第一空气压力下的第一空气流在主热交换器中被冷却和液化或者假液化，然后膨胀并引入蒸馏塔系统。 压缩的总空气流的第二部分，作为第二空气流，在空气后压缩机中被后压缩到第二空气压力，并且至少部分在第一涡轮机驱动的后压缩机中被进一步压缩到第三空气 压力。

    METHOD AND APPARATUS FOR OBTAINING A COMPRESSED GAS PRODUCT BY CRYOGENIC SEPARATION OF AIR
    6.
    发明申请
    METHOD AND APPARATUS FOR OBTAINING A COMPRESSED GAS PRODUCT BY CRYOGENIC SEPARATION OF AIR 审中-公开
    通过空气分离获得压缩气体产品的方法和装置

    公开(公告)号：US20160187059A1

    公开(公告)日：2016-06-30

    申请号：US14788909

    申请日：2015-07-01

    申请人： Dimitri Goloubev

    发明人： Dimitri Goloubev

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04412 ,  F25J3/04054 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/042 ,  F25J3/04296 ,  F25J3/04393 ,  F25J3/04678 ,  F25J3/04721 ,  F25J3/04812 ,  F25J2200/52 ,  F25J2205/04 ,  F25J2245/50

    摘要： A method and the apparatus for obtaining a compressed gas product by means of cryogenic separation of air in a distillation column system which has a high-pressure column and a low-pressure column. All of the feed air is compressed in a main air compressor to a first pressure which is at least 4 bar higher than the operating pressure of the high-pressure column. A first partial flow of the feed air compressed in the main air compressor is cooled to an intermediate temperature in a main heat exchanger and is expanded so as to perform work in a first air turbine. At least a first part of the first partial flow expanded so as to perform work is introduced into the distillation column system.

    摘要翻译： 一种在具有高压塔和低压塔的蒸馏塔系统中通过空气的低温分离获得压缩气体产物的方法和装置。 所有进料空气在主空气压缩机中被压缩至比高压塔的操作压力高至少4巴的第一压力。 在主空气压缩机中压缩的进料空气的第一部分流被冷却到主热交换器中的中间温度并膨胀以在第一空气涡轮机中进行作业。 引入蒸馏塔系统的至少第一部分膨胀以进行工作的第一部分流。

    METHOD AND PLANT FOR THE CRYOGENIC SEPARATION OF AIR
    7.
    发明申请
    METHOD AND PLANT FOR THE CRYOGENIC SEPARATION OF AIR 审中-公开
    空气分离的方法和装置

    公开(公告)号：US20160356547A1

    公开(公告)日：2016-12-08

    申请号：US15157473

    申请日：2016-05-18

    申请人： Dimitri Goloubev

    发明人： Dimitri Goloubev

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04412 ,  F25J3/04024 ,  F25J3/04054 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04381 ,  F25J3/04393 ,  F25J2230/20 ,  F25J2240/04

    摘要： A method and air separation plant for the distillative cryogenic separation of feed air in a distillation column system of an air separation plant at different distillation pressures, wherein all of the feed air in a total air quantity is compressed to a first pressure level that is at least 4 to 5 bar above the highest of the distillation pressures, and from the total air quantity a first part air quantity is first cooled to a first temperature level of 130 to 170 K and then compressed to a second pressure level that is at least 10 bar above the first pressure level, and a second part air quantity is first cooled to a second temperature level of 110 to 150 K and then expanded to a third pressure level that is below the first pressure level.

    摘要翻译： 一种用于在不同蒸馏压力下的空气分离设备的蒸馏塔系统中进料空气的蒸馏低温分离的方法和空气分离设备，其中将总空气量中的所有进料空气压缩至处于 在蒸馏压力的最高值以上至少4至5巴，并且从总空气量开始，第一部分空气量首先冷却至130至170K的第一温度水平，然后压缩至至少10℃的第二压力水平 并且第二部分空气量首先冷却至110至150K的第二温度水平，然后膨胀至低于第一压力水平的第三压力水平。

    METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF AIR
    9.
    发明申请
    METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF AIR 审中-公开
    空气分离法的方法与装置

    公开(公告)号：US20160003535A1

    公开(公告)日：2016-01-07

    申请号：US14789171

    申请日：2015-07-01

    申请人： Dimitri Goloubev

    发明人： Dimitri Goloubev

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04412 ,  F25J3/04054 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04393 ,  F25J3/04678 ,  F25J3/04727 ,  F25J3/04812 ,  F25J2205/04 ,  F25J2245/50

    摘要： A method and apparatus serve for the cryogenic separation of air in an air separation plant which has a main air compressor, a main heat exchanger and a distillation column system with a high-pressure column and a low-pressure column. All of the feed air is compressed in the main air compressor to a first air pressure which is at least 3 bar higher than the operating pressure of the high-pressure column. A first part of the compressed total air flow, as first air flow at the first air pressure, is cooled and liquefied or pseudo-liquefied in the main heat exchanger, then expanded and introduced into the distillation column system. A second part of the compressed total air flow, as second air flow, is post-compressed in a turbine-driven post-compressor to a second air pressure.

    摘要翻译： 一种空气分离装置中的空气的低温分离方法和装置，其具有主空气压缩机，主热交换器和具有高压塔和低压塔的蒸馏塔系统。 所有进料空气在主空气压缩机中被压缩至高于高压塔的操作压力至少3巴的第一空气压力。 压缩的总空气流的第一部分，作为第一空气压力下的第一空气流在主热交换器中被冷却和液化或者假液化，然后膨胀并引入蒸馏塔系统。 压缩的总空气流的第二部分，作为第二空气流，在涡轮机驱动的后压缩机中被后压缩到第二空气压力。