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    Process and apparatus for the production of gaseous oxygen under pressure
    4.
    发明授权
    Process and apparatus for the production of gaseous oxygen under pressure 失效
    在压力下生产气态氧气的方法和装置

    公开(公告)号：US5329776A

    公开(公告)日：1994-07-19

    申请号：US153794

    申请日：1993-11-17

    申请人： Maurice Grenier

    发明人： Maurice Grenier

    IPC分类号： F25J3/04 ,  F25J3/02

    CPC分类号： F25J3/04236 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04393 ,  F25J3/04412 ,  F25J2205/02 ,  F25J2205/04 ,  F25J2215/50 ,  F25J2215/54 ,  F25J2290/10 ,  F25J2290/62 ,  Y10S62/94

    摘要： In this process for the production of gaseous oxygen under pressure by air distillation in a double column, pumping liquid oxygen withdrawn at the bottom of the low pressure column, and vaporization of compressed liquid oxygen by heat exchange with air at high pressure, all the air to be distilled is compressed at the high air pressure, followed by expanding, at the pressure of the mean pressure column, the excess fraction of this air in a turbine which is decelerated by means of an air booster, and at least one liquid product is withdrawn from the apparatus.

    摘要翻译： 在这种用于在双柱中通过空气蒸馏在压力下生产气态氧的方法中，泵送在低压塔底部排出的液氧，并通过与空气在高压下进行热交换来蒸发压缩液氧，所有空气 待蒸馏的物料在高空气压力下被压缩，然后在平均压力塔的压力下膨胀涡轮机中借助空气助力器减速的空气的过剩部分，并且至少一种液体产物是 从设备中取出。

    Method for cooling a gaseous mixture to a low temperature
    9.
    再颁专利
    Method for cooling a gaseous mixture to a low temperature 失效

    公开(公告)号：USRE30140E

    公开(公告)日：1979-11-06

    申请号：US501246

    申请日：1974-08-28

    申请人： Maurice Grenier ,  Pierre Petit

    发明人： Maurice Grenier ,  Pierre Petit

    IPC分类号： C07C7/09 ,  C08G77/00 ,  C10G5/06 ,  F25J1/00 ,  F25J3/02

    CPC分类号： F25J3/0257 ,  C07C7/09 ,  C08G77/00 ,  C10G5/06 ,  F25J1/0022 ,  F25J1/004 ,  F25J1/0045 ,  F25J1/0055 ,  F25J1/0202 ,  F25J1/0212 ,  F25J1/0231 ,  F25J1/0237 ,  F25J1/0249 ,  F25J1/025 ,  F25J3/0209 ,  F25J3/0233 ,  F25J3/0242 ,  F25J3/0247 ,  F25J2200/02 ,  F25J2200/50 ,  F25J2200/70 ,  F25J2200/74 ,  F25J2200/76 ,  F25J2200/80 ,  F25J2205/04 ,  F25J2215/04 ,  F25J2215/64 ,  F25J2215/66 ,  F25J2270/12 ,  F25J2290/34

    摘要： .Iadd. .Iadd.8. A method for cooling a second gaseous mixture to low temperature and producing at least one constituent of said mixture in liquid phase, comprising:a. cooling and subjecting first gaseous mixture containing at least one component of said secong gaseous mixture, to a fractionate condensation under a first pressure,b. expanding at least two condensed fractions obtained during the fractionate condensation of said first gaseous mixture, reuniting the expanded condensed fractions with said first gaseous mixture under a second pressure lower than said first pressure, vaporizing and reheating the reunited fractions with said first gaseous mixture under said second pressure, by heat exchange with said second gaseous mixture undergoing cooling, and with said first gaseous mixture undergoing fractionate condensation, and recompressing said first gaseous mixture to said first pressure,c. reuniting under said first pressure said second gaseous mixture undergoing cooling with said first gaseous mixture undergoing fractionate condensation, when said gaseous mixture is in conditions of temperature and pressure such that a major portion of said constituent to be produced in liquid phase is condensed within said second gaseous mixture, and after the first condensed fraction of said first gaseous mixture has been withdrawn for expansion and vaporization, continuing the fractionate condensation of the mixture so obtained under said first pressure until there is obtained a last condensed fraction containing a major part of said constituent to be produced in liquid phase,d. expanding to said second pressure the last condensed fraction, and separating the last expanded fraction into a liquid portion expanded to a pressure lower than said second pressure and a residual gaseous portion for recompression with said first gaseous mixture, and withdrawing said last expanded liquid portion as a product stream, ande. prior to reuniting said first gaseous mixture and said second gaseous mixture, condensing at least partially said second gaseous mixture under a third pressure which is higher than said first pressure, and expanding said second gaseous mixture at least partially condensed to said first pressure. .Iaddend.