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141 条记录 (耗时 0.016 秒)

    Ultra high purity nitrogen and oxygen generator unit
    92.
    发明授权
    Ultra high purity nitrogen and oxygen generator unit 失效
    超高纯度氮气和氧气发生器

    公开(公告)号：US5778698A

    公开(公告)日：1998-07-14

    申请号：US755006

    申请日：1996-11-22

    申请人： Takao Yamamoto

    发明人： Takao Yamamoto

    IPC分类号： F25J3/04 ,  F25J3/00

    CPC分类号： F25J3/04854 ,  F25J3/04157 ,  F25J3/04163 ,  F25J3/04169 ,  F25J3/04254 ,  F25J3/04284 ,  F25J3/0443 ,  F25J2200/34 ,  F25J2200/50 ,  F25J2200/90 ,  F25J2205/82 ,  F25J2210/42 ,  F25J2215/44 ,  F25J2215/56 ,  F25J2220/42 ,  F25J2220/50 ,  F25J2220/52 ,  F25J2245/02 ,  F25J2250/20 ,  F25J2250/40 ,  F25J2250/42 ,  F25J2250/50 ,  F25J2250/52 ,  F25J2270/90

    摘要： A unit capable of simultaneously producing nitrogen of ultra high purity and liquid oxygen of ultra high purity, is provided. The inside of the first rectification column 6 is demarcated to an upper rectifying part 12, and upper-stage middle rectifying part 13, a lower-stage middle rectifying part 14 and a lower rectifying part 15. To the upper part 11 above the upper rectifying part 12 is connected a nitrogen condenser 8. A second rectification column 7 is demarcated to an upper rectifying part 22 and a lower rectifying part 23, and has a reboiler 25 provided under its lower rectifying part 22. Ultra high purity liquid nitrogen is recovered from between the upper rectifying part 12 and upper-stage middle rectifying part 13 of the first rectification column 6, and ultra high purity liquid oxygen is recovered from below the lower rectifying part 23 of the second rectification column 7.

    摘要翻译： 提供能够同时生产超高纯度氮和超高纯度氮气的单元。 第一整流柱6的内部被划分为上部整流部12和上部中间整流部13，下部中间整流部14以及下部整流部15。 部分12连接有氮冷凝器8.第二精馏塔7被划分为上部精馏部分22和下部精馏部分23，并且在其下部精馏部分22下方设置有再沸器25.超高纯度液氮从 在第一精馏塔6的上部精馏部12和上段中间精馏部13之间，从第二精馏塔7的下部整流部23的下方回收超高纯度的液氧。

    Ultra-high purity nitrogen and oxygen generator
    96.
    发明授权
    Ultra-high purity nitrogen and oxygen generator 失效
    超高纯度氮气和氧气发生器

    公开(公告)号：US5363656A

    公开(公告)日：1994-11-15

    申请号：US157035

    申请日：1993-12-02

    申请人： Takashi Nagamura ,  Takao Yamamoto

    发明人： Takashi Nagamura ,  Takao Yamamoto

    IPC分类号： F25J3/04 ,  F25J3/02

    CPC分类号： F25J3/04854 ,  F25J3/04218 ,  F25J3/04284 ,  F25J3/0429 ,  F25J3/0443 ,  F25J3/0486 ,  F25J2200/34 ,  F25J2200/50 ,  F25J2200/52 ,  F25J2200/90 ,  F25J2215/44 ,  F25J2215/56 ,  F25J2245/40 ,  F25J2250/40 ,  F25J2250/50

    摘要： A generator produces ultra-high purity nitrogen and ultra-high purity oxygen simultaneously by the liquefaction and rectification of feed air. Feed air is rectified in a first rectification column, and nitrogen gas separated to the top of that column is liquefied, in a nitrogen condenser, by oxygen-enriched liquid air separated to the bottom portion of the first rectification column. The oxygen-enriched liquid is fed to the upper portion of a second rectification column having a reboiler at its bottom, so that through rectification oxygen gas is fed from above a liquid reservoir to the lower portion of a third rectification column. Through rectification of the oxygen gas in the third rectification column, high purity oxygen gas, from which impurities having boiling points higher than that of oxygen have been removed by liquefaction, is fed to the center portion of a fourth rectification column which has a condenser in its top portion and a reboiler in its bottom portion. Through rectification of the high purity oxygen gas in the fourth rectification column, impurities having boiling points lower than that of oxygen are exhausted from the top portion thereof as non-condensed gas and ultra-high purity liquid oxygen is separated to the bottom thereof.

    摘要翻译： 发电机通过进料空气的液化和整流同时产生超高纯氮和超高纯氧。 进料空气在第一精馏塔中精馏，并且在氮气冷凝器中分离到该塔顶部的氮气被分离到第一精馏塔底部的富氧液体空气液化。 富氧液体在其底部被供给到具有再沸器的第二精馏塔的上部，从而通过精馏将氧气从液体储存器上方供给到第三精馏塔的下部。 通过第三精馏塔中的氧气的精馏，通过液化除去沸点高于氧气的杂质的高纯度氧气被送入具有冷凝器的第四精馏塔的中心部分 其顶部和在其底部的再沸器。 通过对第四精馏塔中的高纯度氧气进行精馏，将沸点低于氧气的杂质从其顶部排出为非冷凝气体，超高纯度液氧分离到其底部。

    Krypton separation
    98.
    发明授权
    Krypton separation 失效
    氪分离

    公开(公告)号：US4805412A

    公开(公告)日：1989-02-21

    申请号：US141691

    申请日：1988-02-29

    申请人： Charles R. Colley, deceased ,  by Muriel E. Passant, executrix

    发明人： Charles R. Colley, deceased ,  by Muriel E. Passant, executrix

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04412 ,  F25J3/0409 ,  F25J3/04745 ,  F25J2200/34 ,  F25J2205/02 ,  F25J2215/52 ,  F25J2235/50 ,  F25J2245/50 ,  F25J2250/42 ,  F25J2250/50 ,  Y10S62/925

    摘要： Air separation, in particular apparatus and method for reducing the loss of krypton and xenon during air separation by cryogenic distillation. The invention provides a method of separating air by cryogenic distillation, including forming a first liquid oxygen stream, and a second liquid oxygen stream having a lower concentration of krypton and xenon than said first stream, withdrawing the second stream as product, and subjecting the first stream to further separation to enrich it in krypton and xenon.

    摘要翻译： PCT No.PCT / GB87 / 00295 Sec。 371日期1988年2月29日第 102（e）日期1988年2月29日PCT提交1987年5月5日PCT公布。 出版物WO87 / 06684 日期：1987年11月5日。空气分离，特别是用于通过低温蒸馏减少空气分离期间氪和氙的损失的装置和方法。 本发明提供了一种通过低温蒸馏分离空气的方法，包括形成第一液氧流，以及具有比所述第一流更低浓度的氪和氙的第二液氧流，将第二流作为产物取出， 流进一步分离，以丰富氪和氙。

    Process for producing krypton and xenon
    100.
    发明授权
    Process for producing krypton and xenon 失效
    生产氪和氙的工艺

    公开(公告)号：US4421536A

    公开(公告)日：1983-12-20

    申请号：US296151

    申请日：1981-08-25

    申请人： Tatsuo Mori ,  Juichi Ishii

    发明人： Tatsuo Mori ,  Juichi Ishii

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04757 ,  F25J3/04745 ,  F25J2200/04 ,  F25J2200/34 ,  F25J2205/60 ,  F25J2205/82 ,  F25J2220/52 ,  Y10S62/915 ,  Y10S62/925

    摘要： A process for producing krypton and xenon. The concentrations of krypton and xenon contained in liquid oxygen are not highly increased in a concentrating column to produce concentrated liquid having a relatively low concentration of methane, which is stripped of methane by contact with oxygen gas in a methane purging column to reduce the methane concentration and the methane-purged liquid is then concentrated at the lower part of the purging column. Then, the concentrated liquid is vaporized and purified by catalitic combustion and adsorption, and thereafter a mixture of krypton and xenon is separated from the purified gas in a second concentrating column.

    摘要翻译： 一种生产氪和氙的过程。 在浓缩塔中，液态氧中含有的氪和氙的浓度不会很高，从而产生甲烷浓度相对较低的浓缩液体，甲烷通过与甲烷吹扫塔中的氧气接触来除去甲烷以降低甲烷浓度 然后将甲烷吹扫的液体浓缩在清洗塔的下部。 然后，通过催化燃烧和吸附将浓缩的液体汽化和纯化，然后在第二浓缩塔中将纯化气体与氪和氙的混合物分离。