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    Recovery of carbon dioxide from combustion exhaust gas
    1.
    发明授权
    Recovery of carbon dioxide from combustion exhaust gas 失效
    从燃烧废气中回收二氧化碳

    公开(公告)号：US5339633A

    公开(公告)日：1994-08-23

    申请号：US957185

    申请日：1992-10-07

    申请人： Masumi Fujii ,  Yoshitsugu Hotta ,  Taiichiro Suda ,  Kenji Kobayashi ,  Kunihiko Yoshida ,  Shigeru Shimojo ,  Mutsunori Karasaki ,  Masaki Iijima ,  Toru Seto ,  Shigeaki Mitsuoka

    发明人： Masumi Fujii ,  Yoshitsugu Hotta ,  Taiichiro Suda ,  Kenji Kobayashi ,  Kunihiko Yoshida ,  Shigeru Shimojo ,  Mutsunori Karasaki ,  Masaki Iijima ,  Toru Seto ,  Shigeaki Mitsuoka

    IPC分类号： B01D53/14 ,  F01K13/00 ,  F01K17/00

    CPC分类号： B01D53/1418 ,  B01D53/1475 ,  Y02C10/04 ,  Y02C10/06

    摘要： An electric generating power plant and a method of operation thereof wherein the boiler (1) produces steam to a turbine driven-generator (2), carbon dioxide from combustion exhaust gas emitted from the boiler is simultaneously absorbed in an absorbing solution in an absorber (7), the absorbing solution with the absorbed carbon dioxide is passed through a regenerator (10) where the carbon dioxide is stripped from the absorbing solution, the regenerated absorbing solution is returned to the absorber (7), and steam from either the boiler (1) or turbine of the turbine-driven generator (2) is supplied to a reboiler (13) to provide heat for operation of the regenerator (10). During periods of high demand for electric power steam extraction from the boiler or turbine is discontinued, operation of the regenerator (10) is discontinued and the absorbing solution from the absorber (7) is stored in a first storage unit (15). During periods of low power demand steam is supplied to the reboiler (13) from the boiler (1) or turbine and absorbing solution from the first storage unit (15) is fed to the regenerator (10) for operation thereof, and absorbing solution stripped of carbon dioxide from the regenerator (10) is stored in a second storage unit (16). Absorbing solution from the second storage unit (16) is fed to the absorber (7) during periods of high power demand.

    摘要翻译： 一种发电厂及其操作方法，其中锅炉（1）向涡轮机驱动发电机（2）产生蒸汽，从锅炉排出的来自燃烧废气的二氧化碳同时吸收在吸收器中的吸收溶液中 如图7所示，吸收的二氧化碳的吸收溶液通过再生器（10），二氧化碳从吸收溶液中汽提出来，再生的吸收液返回吸收器（7），蒸汽从锅炉 1）或涡轮机驱动的发电机（2）的涡轮机被供应到再沸器（13）以提供用于再生器（10）的操作的热量。 在对来自锅炉或涡轮机的电力蒸汽提取的高需求期间，中止再生器（10）的运行，并且来自吸收器（7）的吸收溶液被存储在第一存储单元（15）中。 在低功率需求期间，从锅炉（1）向再沸器（13）供应蒸汽，或将来自第一储存单元（15）的涡轮机和吸收溶液供给到再生器（10）进行操作，并吸收溶液 来自再生器（10）的二氧化碳存储在第二存储单元（16）中。 在高功率需求期间，来自第二存储单元（16）的吸收溶液被供给到吸收器（7）。

    Apparatus and process for removing carbon dioxide from combustion exhaust gas
    5.
    发明授权
    Apparatus and process for removing carbon dioxide from combustion exhaust gas 失效
    从燃烧废气中除去二氧化碳的设备和方法

    公开(公告)号：US5318758A

    公开(公告)日：1994-06-07

    申请号：US847733

    申请日：1992-03-09

    申请人： Masumi Fujii ,  Yoshitsugu Hotta ,  Taiichiro Suda ,  Kenji Kobayashi ,  Kunihiko Yoshida ,  Shigeru Shimojo ,  Mutsunori Karasaki ,  Masaki Iijima ,  Fumio Tomikawa ,  Touro Seto ,  Shigeaki Mitsuoka

    发明人： Masumi Fujii ,  Yoshitsugu Hotta ,  Taiichiro Suda ,  Kenji Kobayashi ,  Kunihiko Yoshida ,  Shigeru Shimojo ,  Mutsunori Karasaki ,  Masaki Iijima ,  Fumio Tomikawa ,  Touro Seto ,  Shigeaki Mitsuoka

    IPC分类号： B01D53/14 ,  B01D53/62 ,  B01D53/34

    CPC分类号： B01D53/62 ,  B01D53/1406 ,  Y02C10/04 ,  Y02C10/06

    摘要： An apparatus and a process for removing CO.sub.2 from a combustion exhaust gas, by effecting counterflow contact of aqueous alkanolamine solution with the combustion exhaust gas to absorb CO.sub.2 from the gas in the alkanolamine solution and effecting a further contact of the gas with either, condensate water formed by causing condensation of the gas after removal of CO.sub.2, or condensate water formed by causing condensation of the combustion exhaust gas directly after combustion of the fuel. The apparatus includes a tower (1), a first contact section (2) in the tower through which the exhaust gas flows upwardly in counterflow contact with the aqueous alkanolamine solution dispersed by a nozzle device (7) downstream of the first contact section (2), a second contact section (3) in the tower (1) downstream of the nozzle device (7) for effecting counterflow contact of reflux water from a spent absorbent liquor regenerating tower (28) with the gas after removal of CO.sub.2. The temperature of the aqueous alkanolamine solution to be supplied to the CO.sub.2 -removing tower (1) is adjusted in such a manner that the temperature of the exhaust gas at the entrance (4) of the CO.sub.2 -removing tower and that of the treated gas at the exit (5) of the CO.sub.2 -removing tower are the same.

    摘要翻译： 一种用于从燃烧废气中除去CO 2的装置和方法，其通过使烷基醇胺水溶液与燃烧废气逆流接触以从烷醇胺溶液中的气体吸收CO 2，并进一步接触气体与冷凝水 通过在除去CO 2之后使气体冷凝或通过在燃料燃烧之后直接使燃烧废气冷凝而形成的冷凝水形成。 该设备包括塔架（1），塔架中的第一接触部分（2），废气通过该塔架与第一接触部分（2）下游的喷嘴装置（7）与由烷基醇胺水溶液逆流接触而向上流动 ），在喷嘴装置（7）下游的塔（1）中的第二接触部分（3），用于在去除CO 2之后使来自废吸收剂液体再生塔（28）的回流水与气体逆流接触。 供给至二氧化碳除去塔（1）的烷醇胺水溶液的温度调节为使得除去CO 2塔的入口（4）的排气温度和处理气体的排气温度 在二氧化碳除去塔的出口（5）是相同的。