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1. 发明授权

US08518337B2 Tube-bundle equipment for processing corrosive fluids 有权
标题翻译：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
申请人： Domenico Sanfilippo , Luca Mairano , Alessandro Gianazza , Lino Carlessi
发明人： Domenico Sanfilippo , Luca Mairano , Alessandro Gianazza , Lino Carlessi
IPC分类号： B01J19/00 , F28F19/00
CPC分类号： F28F19/06 , B01J19/02 , B01J19/2425 , B01J2219/0236 , F28D7/16 , F28F9/02 , F28F9/0229 , F28F2265/16 , Y10T29/49391 , Y10T29/49393
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。

2. 发明申请

US20130123536A1 TUBE-BUNDLE EQUIPMENT FOR PROCESSING CORROSIVE FLUIDS 有权
标题翻译：用于处理腐蚀性流体的管道装置
公开(公告)号：US20130123536A1
公开(公告)日：2013-05-16
申请号：US13003988
申请日：2009-07-13
申请人： Domenico Sanfilippo , Luca Mairano , Alessandro Gianazza , Lino Carlessi
发明人： Domenico Sanfilippo , Luca Mairano , Alessandro Gianazza , Lino Carlessi
IPC分类号： F28F1/00 , B23K20/08 , B21D39/04 , F16L9/00 , C07C273/02
CPC分类号： F28F19/06 , B01J19/02 , B01J19/2425 , B01J2219/0236 , F28D7/16 , F28F9/02 , F28F9/0229 , F28F2265/16 , Y10T29/49391 , Y10T29/49393
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。

3. 发明授权

US08927770B2 High-yield process for the synthesis of urea 有权
标题翻译：用于合成尿素的高产量工艺
公开(公告)号：US08927770B2
公开(公告)日：2015-01-06
申请号：US14116258
申请日：2012-05-03
申请人： Lino Carlessi , Alessandro Gianazza
发明人： Lino Carlessi , Alessandro Gianazza
IPC分类号： C07C273/04 , C07C213/04
CPC分类号： C07C273/04 , B01J2219/00006 , B01J2219/00024 , C07C213/04 , Y10T29/49716
摘要： A process for the direct synthesis of urea from ammonia and carbon dioxide at high pressures and temperatures, with the formation of ammonium carbamate as intermediate, comprising a decomposition step of the ammonium carbamate and stripping of the gases formed, operating substantially at the same pressure as the synthesis step, wherein the recycled liquid streams are fed, at least partially, to the same decomposition and stripping step after being preheated by heat exchange with a stream included in the high-pressure synthesis cycle.
摘要翻译：一种在高压和高温下从氨和二氧化碳直接合成尿素的方法，其中形成氨基甲酸铵作为中间体，包括氨基甲酸铵的分解步骤和汽提形成的气体，其操作基本上与合成步骤，其中在通过与包括在高压合成循环中的流的热交换进行预热之后，将再循环的液体流至少部分地进料至相同的分解和汽提步骤。

4. 发明申请

US20100217041A1 ENHANCED PROCESS FOR THE SYNTHESIS OF UREA 有权
标题翻译：用于合成尿素的增强方法
公开(公告)号：US20100217041A1
公开(公告)日：2010-08-26
申请号：US12601103
申请日：2008-05-19
申请人： Lino Carlessi , Alessandro Gianazza
发明人： Lino Carlessi , Alessandro Gianazza
IPC分类号： C07C273/04 , B01J19/00
CPC分类号： C07C273/04 , B01J2219/00006 , B01J2219/0004 , Y02P20/582
摘要： 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.
摘要翻译：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％。

5. 发明授权

US09068781B2 Tube bundle equipment with liquid flow regulator elements 有权
标题翻译：管束设备带有液体流量调节元件
公开(公告)号：US09068781B2
公开(公告)日：2015-06-30
申请号：US13318793
申请日：2010-04-27
申请人： Alessandro Gianazza , Lino Carlessi
发明人： Alessandro Gianazza , Lino Carlessi
IPC分类号： F28F25/06 , F28D3/02 , F28D3/04 , B01J19/24 , F28F19/06
CPC分类号： F28D3/02 , B01J19/2425 , F28D3/04 , F28F19/06 , F28F25/06 , Y10T29/49391
摘要： 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 vapors, 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.
摘要翻译：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，存在气体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。

6. 发明申请

US20120097378A1 TUBE BUNDLE EQUIPMENT WITH LIQUID FLOW REGULATOR ELEMENTS 有权
标题翻译：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
申请人： Alessandro Gianazza , Lino Carlessi
发明人： Alessandro Gianazza , Lino Carlessi
IPC分类号： F28F1/00 , B23P15/26
CPC分类号： F28D3/02 , B01J19/2425 , F28D3/04 , F28F19/06 , F28F25/06 , Y10T29/49391
摘要： 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.
摘要翻译：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。

7. 发明授权

US08106241B2 Enhanced process for the synthesis of urea 有权
标题翻译：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
申请人： Lino Carlessi , Alessandro Gianazza
发明人： Lino Carlessi , Alessandro Gianazza
IPC分类号： C07C273/04
CPC分类号： C07C273/04 , B01J2219/00006 , B01J2219/0004 , Y02P20/582
摘要： 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.
摘要翻译：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％。

8. 发明授权

US09192902B2 Urea reactor tray, reactor, and production process 有权
标题翻译：尿素反应器托盘，反应器和生产过程
公开(公告)号：US09192902B2
公开(公告)日：2015-11-24
申请号：US14232137
申请日：2012-07-04
申请人： Ugo Avagliano , Lino Carlessi
发明人： Ugo Avagliano , Lino Carlessi
IPC分类号： B01J10/00 , C07C273/04 , B01J8/06 , B01F3/04 , B01D3/00 , B01D3/22 , B01J19/00
CPC分类号： B01J8/06 , B01D3/009 , B01D3/22 , B01F3/04 , B01J10/00 , B01J19/0053 , C07C273/04 , Y02P20/142
摘要： A urea reactor tray having a base plate; and a number or quantity of hollow cup-shaped members, which project vertically from the base plate along respective substantially parallel axes perpendicular to the base plate, and have respective substantially concave inner cavities communicating with respective openings formed in the base plate; the tray having a number or quantity of first cup-shaped members, each of which extends axially between an open top end having the opening, and a closed bottom end, and has a lateral wall with through holes substantially crosswise to the axis, and a bottom wall which closes the closed bottom end and has no holes.
摘要翻译：一种具有基板的尿素反应器盘; 以及多个或数量的中空杯状构件，其从垂直于基板的相应基本上平行的轴线垂直地从基板突出，并且具有与形成在基板中的相应开口连通的相应的大致凹入的内腔; 托盘具有数量或数量的第一杯形构件，每个第一杯形构件在其具有开口的开放顶端和封闭的底端之间轴向延伸，并且具有侧壁，该侧壁具有与轴线基本上交叉的通孔，并且封闭封闭底端并没有孔的底壁。

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