Corrosion-resistant bimetallic tube and its use in tube bundle equipment
    1.
    发明授权
    Corrosion-resistant bimetallic tube and its use in tube bundle equipment 有权
    耐腐蚀双金属管及其在管束设备中的应用

    公开(公告)号:US09341419B2

    公开(公告)日:2016-05-17

    申请号:US11761735

    申请日:2007-06-12

    摘要: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support.Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics.Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.

    摘要翻译: 一种双金属管,由至少一个第一金属管状元件组成,其耐受其与其接触的工艺流体的腐蚀性和/或侵蚀作用,具有至少一个端部或接近端部的区域,外部 涂覆有与第一金属不同的第二金属层,并且对于密封焊接到支撑体上。 管束设备,用于在高温和高压下在过程流体的高侵蚀性条件下进行热交换操作,其中管束包括至少一个具有上述特征的管。 所述设备在尿素合成过程的循环中特别用作热交换器和分解器,例如作为汽提器,其中存在高压,高温,过程流体的高侵蚀性,并且其中管束组成 具有上述特征的至少一个管。

    CORROSION-RESISTANT BIMETALLIC TUBE AND ITS USE IN TUBE BUNDLE EQUIPMENT
    2.
    发明申请
    CORROSION-RESISTANT BIMETALLIC TUBE AND ITS USE IN TUBE BUNDLE EQUIPMENT 有权
    耐腐蚀双金属管及其在管道装置中的应用

    公开(公告)号:US20080093064A1

    公开(公告)日:2008-04-24

    申请号:US11761735

    申请日:2007-06-12

    IPC分类号: F28F21/08 B23P6/00

    摘要: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support. Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics. Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.

    摘要翻译: 一种双金属管,由至少一个第一金属管状元件组成,其耐受其与其接触的工艺流体的腐蚀性和/或侵蚀作用,具有至少一个端部或接近端部的区域,外部 涂覆有与第一金属不同的第二金属层,并且对于密封焊接到支撑体上。 管束设备,用于在高温和高压下在过程流体的高侵蚀性条件下进行热交换操作,其中管束包括至少一个具有上述特征的管。 所述设备在尿素合成过程的循环中特别用作热交换器和分解器,例如作为汽提器,其中存在高压,高温,过程流体的高侵蚀性,并且其中管束组成 具有上述特征的至少一个管。

    Tube-bundle equipment for processing corrosive fluids
    3.
    发明授权
    Tube-bundle equipment for processing corrosive fluids 有权
    用于加工腐蚀性液体的管束设备

    公开(公告)号:US08518337B2

    公开(公告)日:2013-08-27

    申请号:US13003988

    申请日:2009-07-13

    IPC分类号: B01J19/00 F28F19/00

    摘要: Tube-bundle equipment for heat exchange operations at high pressures and temperatures, under conditions of high aggressiveness of the process fluids, comprising a titanium lining (11) and a series of tubes (1) consisting of at least one layer of zirconium (2), positioned in contact with said fluids, wherein the tube plate on which said tubes are inserted comprises an outer layer (S) of zirconium or an alloy thereof and an underlying layer (5) of titanium welded to the lining of the equipment. Said equipment is particularly used as a heat exchanger, for example as a stripper, in the high-pressure cycle of urea syntheses processes.

    摘要翻译: 包括钛衬里(11)和由至少一层锆(2)组成的一系列管(1)的管道束设备,用于在高压和高温下进行的热交换操作, 定位成与所述流体接触,其中所述管被插入其上的管板包括锆或其合金的外层(S)和焊接到设备衬里的钛的下层(5)。 在尿素合成工艺的高压循环中,所述设备特别用作热交换器,例如汽提塔。

    Process for the production of hydrogen and the co-production of carbon dioxide
    6.
    发明申请
    Process for the production of hydrogen and the co-production of carbon dioxide 审中-公开
    生产氢气和二氧化碳共同生产的方法

    公开(公告)号:US20050232859A1

    公开(公告)日:2005-10-20

    申请号:US11085583

    申请日:2005-03-22

    IPC分类号: C01B32/50 C01B3/06 C01B3/26

    CPC分类号: C01B3/063 Y02E60/36

    摘要: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with said solid fed at its maximum oxidation degree (over-reduced form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with said reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein said solid contains at least on element selected from elements which, in addition to the metallic state, have at least three different oxidation states and are therefore capable of producing two redox pairs, in order of the oxidation state, characterized in that in the first reaction zone (R1) the solid in over-oxidized form and the liquid or gaseous hydrocarbon are fed in countercurrent.

    摘要翻译: 用于生产氢气和在分开的流中共同生产二氧化碳的方法包括以下操作:将固体进料到第一反应区(R 1),其中液态或气态烃,优选天然气或甲烷为 其还进料,其与以最大氧化度(过度还原形式)进料的所述固体反应,导致燃烧产物二氧化碳和水以及固体以其最小氧化度(还原形式)形成; 将还原形式的固体进料到还进料水的第二反应区(R 2),其与所述还原形式的固体反应,以中等氧化度(氧化形式)产生氢气,蒸汽和固体; 将氧化形式的固体进料到也进料空气的第三反应区(R 3),从固体的进一步氧化中得到过热氧化形式的固体,以再循环至第一反应区 (R 1),其中所述固体包含至少一种选自元素的元素,所述元素除了金属状态之外具有至少三种不同的氧化态,因此能够以氧化态的顺序产生两个氧化还原对,其特征在于 因为在第一反应区(R 1)中,过氧化形式的固体和液态或气态烃以逆流方式进料。

    Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation
    7.
    发明申请
    Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation 有权
    通过重质原油和蒸馏残余物通过部分氧化从重质装料生产合成气的方法

    公开(公告)号:US20050074395A1

    公开(公告)日:2005-04-07

    申请号:US10624560

    申请日:2003-07-23

    摘要: Process for the production of synthesis gas from heavy charges comprising a partial oxidation of heavy charges with oxygen or air enriched in oxygen in the presence of vapour, carried out at temperatures higher than 1000° C. and pressures equal to or higher than 20 atm and the subsequent cooling of the synthesis gas obtained, by the direct injection of water into the gas itself followed by the separation of the water effected by means of an adduction pipe surrounded by a concentric tube open at both ends so as to form a ring through which the cooled gas and water can rise, characterized in that the distance (L) between the lower end of the adduction pipe and the lower end of the open concentric tube must be equal to or higher than x times the diameter (D) of said lower end of the adduction pipe, wherein x varies in relation to the specific gas mass flow-rate (F), expressed in kg/h/cm2, according to the equation x=0.026 F+0.15.

    摘要翻译: 用于在高于1000℃的温度和等于或高于20atm的温度下进行的在蒸气存在下用氧气或富氧的空气部分氧化重质电荷的部分氧化或重质电荷的制备方法,以及 通过将水直接注入气体本身,随后通过由两端敞开的同心管围绕的内接管分离水来随后冷却合成气体,以便形成环,通过该环 冷却的气体和水可以上升,其特征在于,内导管的下端与敞开的同心管的下端之间的距离(L)必须等于或高于所述下部的直径(D)的x倍 内置管的端部,其中x根据等式x = 0.026F + 0.15,以比例气体质量流量(F)(以kg / h / cm 2表示)而变化。