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    • 7. 发明公开
    • 산업 가스의 다중 순회 극저온 액화
    • 多元冷冻机工业气体的多电路低温液化
    • KR1020000052601A
    • 2000-08-25
    • KR1019990063281
    • 1999-12-28
    • 프랙스에어 테크놀로지, 인코포레이티드
    • 아카리아,아룬아르맨,베이램웨버,조셉알프레드스리니바산,비자야라가반노워빌스키,제퍼트존스몰라렉,제임스네보브,네노토도로브
    • F25J1/00
    • F25J1/0265F25J1/0007F25J1/001F25J1/0015F25J1/0017F25J1/002F25J1/0027F25J1/0055F25J1/0057F25J1/0097F25J1/0214F25J2215/14
    • PURPOSE: A liquefaction of industrial gas is provided wherein the gas is brought from ambient temperature to a cryogenic temperature to effect the liquefaction. CONSTITUTION: A method for cooling an industrial gas comprising: (A) compressing a first multicomponent refrigerant fluid comprising at least one component from the group consisting of fluorocarbons, hydrofluorocarbons and fluoroethers and at least one component from the group consisting of fluorocarbons, hydrofluorocarbons, fluoroethers and atmospheric gases; (B) cooling the compressed first multicomponent refrigerant fluid and expanding the cooled compressed first multicomponent refrigerant fluid to generate refrigeration; (C) warming the expanded first multicomponent refrigerant fluid by indirect heat exchange with the compressed first multicomponent refrigerant fluid to effect the cooling of the compressed first multicomponent refrigerant fluid; (D) compressing a second multicomponent refrigerant fluid comprising at least one component from the group consisting of fluorocarbons, hydrofluorocarbons and fluoroethers and at least one atmospheric gas; (E) warming the expanded first multicomponent refrigerant fluid by indirect heat exchange with the compressed second multicomponent refrigerant fluid to cool the compressed second multicomponent refrigerant fluid; (F) further cooling the cooled compressed second multicomponent refrigerant fluid and expanding the further cooled second multicomponent refrigerant fluid to generate refrigeration; (G) warming the expanded second multicomponent refrigerant fluid by indirect heat exchange with the compressed second multicomponent refrigerant fluid to effect said further cooling of the compressed second multicomponent refrigerant fluid; and (H) warming the expanded second multicomponent refrigerant fluid by indirect heat exchange with industrial gas to cool the industrial gas.
    • 目的:提供工业气体的液化,其中气体从环境温度升至低温以实现液化。 构成:用于冷却工业气体的方法,包括:(A)压缩第一多组分制冷剂流体,其包含由碳氟化合物,氢氟烃和氟代醚组成的组中的至少一种组分和至少一种由碳氟化合物,氢氟烃,氟醚 和大气气体; (B)冷却压缩的第一多组分制冷剂流体并膨胀冷却的压缩的第一多组分制冷剂流体以产生制冷; (C)通过与压缩的第一多组分制冷剂流体间接热交换来加热膨胀的第一多组分制冷剂流体,以实现对压缩的第一多组分制冷剂流体的冷却; (D)压缩包含由碳氟化合物,氢氟烃和氟代醚组成的组中的至少一种组分和至少一种气氛气体的第二多组分制冷剂流体; (E)通过与压缩的第二多组分制冷剂流体间接热交换来加热膨胀的第一多组分制冷剂流体,以冷却压缩的第二多组分制冷剂流体; (F)进一步冷却被冷却的压缩的第二多组分制冷剂流体,并且使另外冷却的第二多组分制冷剂流体膨胀以产生制冷; (G)通过与压缩的第二多组分制冷剂流体间接热交换来升温膨胀的第二多组分制冷剂流体,以进一步冷却压缩的第二多组分制冷剂流体; 和(H)通过与工业气体的间接热交换来加热膨胀的第二多组分制冷剂流体,以冷却工业气体。
    • 9. 发明公开
    • 혼합 냉매 냉각 공정 및 시스템
    • 混合制冷剂冷却工艺及系统
    • KR20180034251A
    • 2018-04-04
    • KR20170121451
    • 2017-09-20
    • F25J1/00F25J1/02
    • F25J1/0214F25J1/0022F25J1/0052F25J1/0055F25J1/0262F25J1/0265F25J1/0292F25J2205/02F25J2205/90F25J2210/60F25J2230/60F25J2240/40F25J2245/02F25J2270/66
    • 본발명은혼합된냉매사이클에초점을맞추어천연가스액화공정의조작성, 용량및 효율을증가시키는방법에관한것이다. 본발명은또한전술한방법이수행될수 있는천연가스액화시스템에관한것이다. 보다상세하게는, 천연가스액화플랜트의예냉열 교환기에서사용되는냉매는예냉열 교환기로부터회수되고, 냉각및 압축된후에액체-증기분리기에서액체스트림과증기스트림으로분리된다. 증기부분은추가로압축되고, 냉각되고, 완전히응축된다음, 액체-증기분리기로리턴된다. 선택적으로, 완전응축된스트림은액체-증기분리기로부터의액체스트림을포함하여, 다른스트림을냉각시키기위해액체-증기분리기로리턴되기전에열 교환기를통해순환될수 있다.
    • 本发明涉及提高天然气液化工艺的可操作性,容量和效率的方法,其中着重于混合制冷剂循环。 本发明还涉及其中可以实施上述方法的天然气液化系统。 更具体地说,天然气液化装置的预冷却热交换器中使用的制冷剂从预冷却热交换器中排出,在冷却和压缩后,在液体 - 蒸汽分离器中被分离成液体和蒸汽流。 蒸汽部分被进一步压缩,冷却并完全冷凝,然后返回到液体蒸气分离器。 任选地,完全冷凝的物流可以在返回到液体 - 蒸汽分离器之前循环通过热交换器,用于冷却其他物流,包括来自液体 - 蒸汽分离器的液体物流。