Tube-bundle equipment for processing corrosive fluids
    231.
    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

    Abstract: 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.

    Abstract translation: 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。

    Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp
    233.
    发明授权
    Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp 失效
    用于水下管道敷设船的铺设斜坡,铺设斜坡致动方法以及包括这种铺设坡道的铺设船

    公开(公告)号:US08303214B2

    公开(公告)日:2012-11-06

    申请号:US12449049

    申请日:2007-12-21

    CPC classification number: F16L1/18 B63B35/03 F16L1/225

    Abstract: A lay ramp for an underwater-pipeline laying vessel has an inside ramp hinged to the laying vessel; an outside ramp hinged to the inside ramp; and an actuating device having a first actuating assembly for rotating the inside ramp with respect to the laying vessel, and a second actuating assembly secured to the outside ramp and to the first actuating assembly to rotate the outside ramp with respect to the inside ramp.

    Abstract translation: 水下管道铺设船的下坡道具有铰接到铺设船的内坡道; 外部斜坡铰接到内部斜坡; 以及致动装置,其具有用于相对于铺设容器旋转内部斜坡的第一致动组件,以及固定到外部斜坡和第一致动组件以相对于内部斜坡旋转外部斜坡的第二致动组件。

    Method of Joining Two Portions of an Underwater Pipeline Laid on the Bed of a Body of Water to Conduct Fluid and/or Gas
    234.
    发明申请
    Method of Joining Two Portions of an Underwater Pipeline Laid on the Bed of a Body of Water to Conduct Fluid and/or Gas 有权
    连接在水体床上的两部分水下管道连接以进行流体和/或气体的方法

    公开(公告)号:US20120261914A1

    公开(公告)日:2012-10-18

    申请号:US13319956

    申请日:2010-05-11

    Inventor: Massimo Fontolan

    Abstract: A method of joining two portions of an underwater pipeline laid on the bed of a body of water to conduct fluid and/or gas, the method including: joining a telescopic sleeve, having a first coupling head, to a first end of a first pipeline portion above the body of water; laying the first end, the telescopic sleeve, and the first coupling head on the bed of the body of water; joining a second coupling head to a second end of a second pipeline portion above the body of water; laying the second end and the second coupling head on the bed of the body of water, close to the first coupling head; roughly aligning the first and second coupling head in the body of water; and clamping the first and second coupling head to each other in the body of water.

    Abstract translation: 一种将布置在水体床上的水下管线的两部分连接以传导流体和/或气体的方法,所述方法包括:将具有第一联接头的伸缩套筒连接到第一管道的第一端 水体以上的部分; 将第一端,伸缩套和第一联接头放在水体床上; 将第二联接头连接到水体上方的第二管道部分的第二端; 将第二端和第二耦合头放置在水体的床上,靠近第一耦合头; 将第一和第二联接头大致对准在水体中; 并且将第一和第二联接头在水体中彼此夹紧。

    TUBE BUNDLE EQUIPMENT WITH LIQUID FLOW REGULATOR ELEMENTS
    235.
    发明申请
    TUBE BUNDLE EQUIPMENT WITH LIQUID FLOW REGULATOR ELEMENTS 有权
    具有液体流量调节器元件的管道装置

    公开(公告)号:US20120097378A1

    公开(公告)日:2012-04-26

    申请号:US13318793

    申请日:2010-04-27

    Abstract: Tube-bundle equipment of the falling liquid film type, comprising a vertical cylindrical body closed at the ends and divided into at least an upper section, an intermediate section and a lower section by means of two perforated tube sheets arranged transversally to support the tubes forming the bundle, wherein each of said tubes is surmounted, on the upper end, by a ferrule, for the inlet and distribution of the liquid in the form of a film, which comprises in the upper part, one or more openings for the outlet of vapours, at an intermediate height one or more openings, preferably tangential, for the inlet of the liquid and below, a circular base for resting on said tube from which an internal cylindrical section, inserted in the tube for a length varying from 10 to 200 mm, protrudes downwards together with an outer metallic strip for a length of at least 2 mm, so that, in the circular area defined between said outer metallic strip and said protruding cylindrical section, there is a gasket, inserted between said circular base of the ferrule and said upper edge of the tube.

    Abstract translation: 下降液膜类型的管束设备包括垂直圆柱体,其端部封闭,并且通过横向布置以支撑管形成的两个穿孔管板至少分成上部段,中间部分和下部段 其中每个所述管在上端被一个套圈覆盖,用于将膜形式的液体入口和分配,其中在上部包括用于出口的一个或多个开口 在中间高度处的一个或多个开口,优选是切向的,用于液体入口和下方的蒸汽,用于搁置在所述管上的圆形基部,从该管的内部插入管中的长度为10至200的长度的内部圆柱形部分 mm,与外部金属条一起向下突出至少2mm的长度,使得在限定在所述外部金属条和所述突出圆柱形部分之间的圆形区域中,存在ga 插入在所述套圈的所述圆形基座和所述管的所述上边缘之间。

    PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE
    236.
    发明申请
    PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE 有权
    管道管和铺设管道的方法

    公开(公告)号:US20120093585A1

    公开(公告)日:2012-04-19

    申请号:US13000116

    申请日:2009-06-19

    CPC classification number: F16L1/19 F16L1/207

    Abstract: A pipe-laying vessel (1) is provided, including a tower (2) extending upwardly from the vessel, a pipe loading arm (9) for raising a length of pipe from the deck to a position aligned with the tower. The pipe-laying vessel may also include a support assembly (110) for supporting a bulky item to be accommodated along the pipeline, the support assembly including a frame (111) pivotable between a first load receiving position and a second tilted position in which it extends approximately parallel to the tower, and drive means for pivoting the tiltable frame between its first and second positions. The pipe-laying vessel may alternatively or additionally include a welding assembly station cabin (100) in the region of a lower portion of the tower, a movable support assembly (110) for supporting a bulky item to be accommodated along the pipeline, the movable support assembly being disposed on top of the cabin.

    Abstract translation: 提供了一种放管容器(1),其包括从容器向上延伸的塔架(2),用于将一段管道从甲板升高到与塔架对准的位置的管道装载臂(9)。 铺管船也可以包括支撑组件(110),支撑组件(110)用于支撑沿着管道容纳的大件物品,支撑组件包括可在第一承载位置和第二倾斜位置之间枢转的框架(111) 大致平行于塔架延伸,以及用于使可倾斜框架在其第一和第二位置之间枢转的驱动装置。 铺管船可以替代地或另外包括在塔的下部区域中的焊接组装站舱(100),用于支撑沿管道容纳的大件物品的可移动支撑组件(110) 支撑组件设置在机舱的顶部。

    PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM
    237.
    发明申请
    PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM 有权
    从恶性循环中恢复氨的方法

    公开(公告)号:US20120039787A1

    公开(公告)日:2012-02-16

    申请号:US13143988

    申请日:2010-01-11

    Abstract: A process for the recovery of ammonia contained in a gaseous stream is described, said process comprising the following phases: (a) subjecting the gaseous stream containing ammonia to a washing (S) with an aqueous washing solution (5a) having a pH lower than 7.0, with the formation of a purified gaseous stream (6) and an aqueous solution (7) containing an ammonium salt; (b) subjecting the aqueous solution containing the ammonium salt coming from phase (a) to a distillation process (MD) with a hydrophobic microporous membrane at a temperature ranging from 50 to 250° C. and a pressure ranging from 50 KPa to 4 MPa absolute with the formation of a regenerated washing solution (16) and a gaseous stream (18) comprising NH3 and H2O; (c) recycling said generated washing solution to phase (a). The equipment for carrying out the above process is also described.

    Abstract translation: 描述了用于回收气态物流中所含的氨的方法,所述方法包括以下阶段:(a)使含有氨的气态物质用pH低于水的洗涤溶液(5a)进行洗涤(S) 7.0,形成纯化的气流(6)和含有铵盐的水溶液(7); (b)在50-250℃的温度和50KPa至4MPa的压力下,将来自相(a)的含有相(a)的铵盐的水溶液用疏水性微孔膜进行蒸馏处理(MD) 绝对形成再生洗涤溶液(16)和包含NH 3和H 2 O的气流(18); (c)将所生成的洗涤溶液再循环到相(a)。 还描述了用于执行上述过程的设备。

    Enhanced process for the synthesis of urea
    238.
    发明授权
    Enhanced process for the synthesis of urea 有权
    增强尿素合成工艺

    公开(公告)号:US08106241B2

    公开(公告)日:2012-01-31

    申请号:US12601103

    申请日:2008-05-19

    Abstract: An enhanced process is described for the synthesis of urea from ammonia and carbon dioxide, at a high pressure and temperature, with the formation of ammonium carbamate as intermediate, which includes a high pressure synthesis section, comprising at least one separation step by decomposition-stripping with ammonia of the non-converted ammonium carbamate, carried out in a vertical apparatus, commonly called stripper, characterized in that said step also comprises a feeding, in the lower part of said stripper, of a stream of CO2, heated to a temperature ranging from 130 to 230° C., in a quantity of 1 to 15% by weight with respect to the total weight of the fresh CO2 fed to the process, containing a passivating agent in such a quantity that its equivalent content of O2 in moles varies from 0.05% to 0.80% with respect to the moles of CO2 of said stream.

    Abstract translation: 描述了用于在高压和高温下从氨和二氧化碳合成脲的增强方法,其中形成氨基甲酸铵作为中间体,其包括高压合成段,其包括至少一个通过分解汽提的分离步骤 与未转化的氨基甲酸铵的氨在垂直装置(通常称为汽提器)中进行,其特征在于,所述步骤还包括在所述汽提器的下部中进料加热至温度范围的CO 2流 相对于进料至该方法的新鲜CO 2的总重量为130至230℃,其含量为1至15重量%,其含有其当量的O 2的摩尔数相当的量的钝化剂 相对于所述料流的CO 2的摩尔数为0.05%至0.80%。

    PROCESS FOR OBTAINING HIGH-PURITY 1-BUTENE FROM C4 HYDROCARBON MIXTURES
    239.
    发明申请
    PROCESS FOR OBTAINING HIGH-PURITY 1-BUTENE FROM C4 HYDROCARBON MIXTURES 审中-公开
    从C4油气混合物中获得高纯度1-丁烯的方法

    公开(公告)号:US20120010451A1

    公开(公告)日:2012-01-12

    申请号:US13144101

    申请日:2010-01-11

    Abstract: A process is described for obtaining high-purity 1-butene starting from C4 hydrocarbon mixtures containing isobutene, n-butane, isobutane, 1,3-butadiene, 1-butene, 2-butenes and also optionally C3 and C5 hydrocarbons, comprising the following stages: conversion of isobutene effected in a double stage, wherein each stage consists of one or more reactors followed by a distillation column for the recovery of the reaction product; recovery of the excess alcohol; recovery of 1-butene using at least two distillation columns; characterised in that it also uses a further conversion stage, consisting of one or more reactors in series, for completing the isobutene removal.

    Abstract translation: 描述了从含有异丁烯,正丁烷,异丁烷,1,3-丁二烯,1-丁烯,2-丁烯以及任选的C 3和C 5烃的C 4烃混合物开始获得高纯度1-丁烯的方法,其包括以下 阶段:在双阶段中进行异丁烯的转化,其中每个阶段由一个或多个反应器组成,随后是用于回收反应产物的蒸馏塔; 回收过量酒精; 使用至少两个蒸馏塔回收1-丁烯; 其特征在于它还使用由串联的一个或多个反应器组成的进一步的转化阶段,用于完成异丁烯的去除。

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