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30 条记录 (耗时 0.014 秒)

    Boiling process and a heat exchanger for use in the process
    8.
    发明公开
    Boiling process and a heat exchanger for use in the process 失效
    科瓦尔弗哈伦和瓦尔谢豪斯zur Verwendung in diesem Verfahren。

    公开(公告)号：EP0501471A2

    公开(公告)日：1992-09-02

    申请号：EP92103356.9

    申请日：1992-02-27

    申请人： AIR PRODUCTS AND CHEMICALS, INC.

    发明人： Bennett, Douglas Leslie ,  Herron, Donn Michael ,  Ludwig, Keith Alan ,  Rogusky, Edwin Charles ,  Sunder, Swaminathan

    IPC分类号： F25J3/00

    CPC分类号： F28D9/0068 ,  F25J3/0409 ,  F25J3/04412 ,  F25J5/005 ,  F25J2235/50 ,  F25J2245/50 ,  F25J2250/04 ,  F25J2290/32 ,  F28D21/0017 ,  F28D2021/0033 ,  F28F2250/108 ,  Y10S62/903

    摘要： The present invention relates to a boiling process in a downflow heat exchanger and the heat exchanger itself with liquid distribution enhancing features which improve performance and allow safe and efficient operation. Performance enhancing features include a partially flooded hardway distribution region with a liquid volume fraction greater than about 0.25 and preferably greater than 0.5, adjusting the heat transfer surface area to maintain a liquid film Reynolds number above 20 and, preferably, above 50 yet less than 1000, preferably less than 300, for at least 75% of the reboiler surface, and, optionally, intermediate feeding of liquid at various intervals along the length of the heat exchanger to obtain more uniform values of liquid film Reynolds numbers and intermediate redistribution.

    摘要翻译： 本发明涉及一种在下流式热交换器中的沸腾过程以及具有提高性能并允许安全和有效操作的液体分布增强特征的热交换器本身。 性能增强特征包括液体体积分数大于约0.25且优选大于0.5的部分淹没的硬道分布区域，调节传热表面积以保持液膜雷诺数高于20，优选在50以上，但小于1000 ，优选小于300，对于至少75％的再沸器表面，以及任选地，沿着热交换器的长度以不同间隔中间进料液体，以获得更均匀的液膜雷诺数值和中间重新分布。

    Nitrogen generation process
    9.
    发明公开
    Nitrogen generation process 审中-公开
    Verfahren zur Stickstofferzeugung

    公开(公告)号：EP1363093A1

    公开(公告)日：2003-11-19

    申请号：EP03252634.5

    申请日：2003-04-25

    申请人： AIR PRODUCTS AND CHEMICALS, INC.

    发明人： Griffiths, John Louis ,  O'Connor, Declan Patrick ,  Houghton, Patrick Alan ,  Brostow, Adam Adrian ,  Sunder, Swaminathan

    IPC分类号： F25J3/04

    CPC分类号： F25J3/04636 ,  F25J3/0406 ,  F25J3/04163 ,  F25J3/04242 ,  F25J3/04254 ,  F25J3/044 ,  F25J3/08 ,  F25J2200/02 ,  F25J2200/70 ,  F25J2205/02 ,  F25J2205/20 ,  F25J2205/30 ,  F25J2205/80 ,  F25J2205/84 ,  F25J2210/42 ,  F25J2215/42 ,  F25J2220/40 ,  F25J2235/42 ,  F25J2235/52 ,  F25J2240/22 ,  F25J2240/90 ,  F25J2250/42 ,  F25J2250/52 ,  Y10S62/908 ,  Y10S62/913

    摘要： A nitrogen-enriched vapour product (120) is produced from a supply (116) of a nitrogen-rich liquid using a purifying device (106) and a distillation column (140) having a distillation zone. At least a portion of the nitrogen-rich liquid is fed to the distillation zone at a first location; a stream of a gas containing nitrogen and at least one contaminant (140) is fed to the purifying device (106), wherein the gas is cooled by a cryogenic liquid (130) whereby at least a portion of the at least one contaminant condenses, solidifies, or dissolves; at least a portion of, or derived from, the cool gas from the purifying device (106) is fed to the distillation zone at a second location below the first location; a stream of the nitrogen-enriched vapour product (120) is withdrawn from the distillation zone; and a stream of a nitrogen-depleted liquid (130) is withdrawn from the distillation zone. The nitrogen-depleted liquid (130) can provide the cryogenic liquid for the purifying device (106).

    摘要翻译： 使用净化装置（106）和具有蒸馏区的蒸馏塔（140）从富氮液体的供应源（116）产生富氮蒸气产物（120）。 至少一部分富氮液体在第一位置被供给到蒸馏区; 含有氮气和至少一种污染物（140）的气体流被供给到净化装置（106），其中气体被低温液体（130）冷却，由此至少一部分污染物冷凝， 凝固或溶解; 来自净化装置（106）的冷气体的至少一部分或源自其来源于在第一位置下方的第二位置处的蒸馏区域; 从蒸馏区抽出富氮蒸气产物（120）的流; 并且从蒸馏区域排出贫氮液体流（130）。 贫氮液体（130）可以为净化装置（106）提供低温液体。

    Corrugated structured packing
    10.
    发明公开
    Corrugated structured packing 审中-公开
    波纹规整填料

    公开(公告)号：EP1036590A2

    公开(公告)日：2000-09-20

    申请号：EP00301915.5

    申请日：2000-03-08

    申请人： AIR PRODUCTS AND CHEMICALS, INC.

    发明人： Sunder, Swaminathan ,  Meski, George Amir ,  Klotz, Herbert Charles

    IPC分类号： B01J19/32 ,  F25J3/04

    CPC分类号： B01J19/32 ,  B01J19/325 ,  B01J2219/3221 ,  B01J2219/32213 ,  B01J2219/32217 ,  B01J2219/3222 ,  B01J2219/32227 ,  B01J2219/32244 ,  B01J2219/32248 ,  B01J2219/32262 ,  B01J2219/32268 ,  B01J2219/32272 ,  B01J2219/32408 ,  B01J2219/32483 ,  B01J2219/3306 ,  B01J2219/3322 ,  B01J2219/3325 ,  F25J3/04412 ,  F25J3/04909 ,  F25J3/04915 ,  F25J2290/10

    摘要： The performance of structured packing comprising a plurality of corrugated plates (20) disposed in vertically parallel relation, each plate (20) having at least one aperture (28) and a plurality of regularly spaced and substantially parallel corrugations disposed in crisscrossing relation to the corrugations of an adjacent plate (20) is optimized by having a surface area density in the range of 350 to 800 m 2 /m 3 , preferably 500 to 675 m 2 /m 3 ; aperture equivalent diameters of less than 4 millimetres but greater than 2 millimetres; a corrugation angle (α) relative to horizontal in the range of 35° to 65°, preferably 40° to 60°; and an included angle (β) defined by two sides of the corrugation in the range of 80° to 110°, preferably 90° to 100°. The structured packing is used in exchange columns for exchanging heat and/or mass between a first phase and a second phase in processes such as cryogenic air separation.

    摘要翻译： 结构化填料的性能包括以垂直平行关系布置的多个波纹板（20），每个板（20）具有至少一个孔（28）和多个规则间隔且基本上平行的波纹，波纹与波纹 通过具有350-800m 2 / m 3，优选500-675m 2 / m 3范围内的表面积密度来优化相邻板（20） 孔径当量直径小于4毫米但大于2毫米; 相对于水平方向的波纹角度（α）在35°至65°，优选40°至60°的范围内; 和由波纹的两侧在80°至110°，优选90°至100°范围内限定的夹角（β）。 结构化填料用于交换塔中以在诸如低温空气分离的过程中在第一阶段和第二阶段之间交换热量和/或质量。