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1. 发明授权

US12036591B2 Plant and process for the continuous production of hot-rolled ultra-thin steel strips 有权
公开(公告)号：US12036591B2
公开(公告)日：2024-07-16
申请号：US17759667
申请日：2021-07-02
申请人： ARVEDI STEEL ENGINEERING S.P.A.
发明人： Giovanni Arvedi , Andrea Teodoro Bianchi , Aldo Mantova , Roberto Venturini
IPC分类号： B21B1/46 , B21B45/00
CPC分类号： B21B1/46 , B21B45/004
摘要： A plant and process for the continuous production of hot-rolled steel strips with a minimum thickness of 0.3 mm is disclosed which includes a continuous casting device of thin or medium slabs with a thickness between 40 and 150 mm and a maximum width of at least 2100 mm followed by a roughing mill, a first induction furnace, a water descaler, a second induction furnace, a finishing mill, a cooling station, a cutting station and a winding station. A system for feeding a protective atmosphere containing ≤3% vol. oxygen is provided from the inlet of the second induction furnace to at least the third stand of the finishing mill. Between the continuous casting device and the roughing mill, an initial thermal conditioning and descaling section is provided having in sequence an induction edge heater, an induction heater for the rest of the slab surface and a water descaler.

2. 发明授权

US10569326B2 Thin slab nozzle for distributing high mass flow rates 有权
公开(公告)号：US10569326B2
公开(公告)日：2020-02-25
申请号：US15317701
申请日：2015-06-03
申请人： ARVEDI STEEL ENGINEERING S.P.A. , VESUVIUS CRUCIBLE COMPANY
发明人： Giovanni Arvedi , Andrea Teodoro Bianchi , Johan Richaud
IPC分类号： B22D11/04 , B22D11/041 , B22D41/50 , B22D11/10
摘要： A thin slab nozzle contains a central bore extending downstream along longitudinal axis X1 from an inlet orifice at an upstream end. The central bore comprises an upstream bore portion with a height Ha, in communication with a converging bore portion of height He, in communication with a thin bore portion of height Hf ending at the upstream end of a divider, and first and second front ports separated from one another by the divider and coupled to the central bore portion at least partially at the converging bore portion. X2 is a transverse axis, normal to X1, along which the nozzle becomes thinner in a downstream portion. In a section of the thin slab nozzle along a symmetry plane Π1 defined by X1 and by X2, the bore wall of the converging bore portion is curved at all points, and Hf/He≤1.

3. 发明授权

US11059083B2 Mill rolls capable of rolling long kilometers for ESP production line 有权
公开(公告)号：US11059083B2
公开(公告)日：2021-07-13
申请号：US16308836
申请日：2017-06-13
申请人： Arvedi Steel Engineering S.p.A.
发明人： Giovanni Arvedi
IPC分类号： B21B27/02 , B21B1/46
摘要： Mill rolls capable of rolling long kilometers used for ESP production line and a method for rolling long kilometers using the mill rolls. The mill rolls include rolls (3, 4), a bearing box (2) and a roll shifting hydraulic cylinder (1), wherein the middle portion of the surface of the roll sinks inwards, one end of the rolls is frustum-shaped, smaller and smaller outwards, so that the roll surface forms a compensation ramp, and the other end of the rolls is cylindrical. The upper roll (3) and the lower roll (4) have the same roll profile and are positioned in the opposite direction. The mill rolls are characterized by reduced runaway of the rolled product and a longer service life.

4. 发明授权

US09186721B2 Device for supporting and oscillating continuous casting moulds in continuous casting plants 有权
标题翻译：用于在连铸机中支撑和摆动连续铸造模具的装置
公开(公告)号：US09186721B2
公开(公告)日：2015-11-17
申请号：US14364457
申请日：2012-12-14
申请人： ARVEDI STEEL ENGINEERING S.P.A.
发明人： Andrea Teodoro Bianchi , Giovanni Arvedi
IPC分类号： B22D11/053 , B22D11/055
CPC分类号： B22D11/053 , B22D11/055
摘要： A device for supporting and oscillating continuous casting molds in continuous casting plants includes at least one support suitable to support a continuous casting mold, the support including a fixed assembly restrained to a frame of the device and a movable assembly that is slidably restrained to the fixed assembly in a vertical direction and connected to a servomechanism suitable to move it in a reciprocating manner relative to the fixed assembly along the axial direction, the movable assembly including a plurality of channels suitable to allow a flow of a cooling fluid to and from a cooling circuit of the mold, the channels being supplied by supply pipes arranged along the vertical direction. The device further includes at least one connecting pipe suitable to allow to connect a supply pipe, the connecting pipe having a T shape and including a first duct rigidly connected to the movable assembly in a horizontal direction, as well as a second and a third duct extending from the first duct in opposite ways along the vertical direction, the second and third ducts being respectively connected to first and second end portions of the fixed assembly through further axially deformable ducts and being respectively a blind duct and a flow-through duct suitable to allow the cooling fluid to flow towards the first and the second ducts. The second and third ducts, and preferably also the first duct, of the at least one connecting pipe have the same diameter of the supply pipes.
摘要翻译：用于在连续铸造设备中支撑和摆动连续铸造模具的装置包括至少一个适于支撑连续铸造模具的支撑件，该支撑件包括被限制在该装置的框架上的固定组件和可滑动地限制在固定组装在垂直方向并且连接到适于相对于固定组件沿着轴向以往复方式移动的伺服机构，所述可移动组件包括多个通道，所述通道适于允许冷却流体流过和流出冷却模具的电路，通道由沿着垂直方向布置的供应管道供应。该装置还包括至少一个适于允许连接供给管的连接管，连接管具有T形并且包括在水平方向上刚性地连接到可移动组件的第一管道，以及第二和第三管道沿着垂直方向以相反的方式从第一管道延伸，第二和第三管道分别通过另外的可轴向变形的管道连接到固定组件的第一和第二端部，并且分别是盲管和适合于允许冷却流体朝向第一和第二管道流动。所述至少一个连接管的第二和第三管道，优选地也是第一管道具有相同的供应管直径。

5. 发明申请

US20140311699A1 DEVICE FOR SUPPORTING AND OSCILLATING CONTINUOUS CASTING MOULDS IN CONTINUOUS CASTING PLANTS 有权
标题翻译：支持连续铸造连续铸造模具的振动装置
公开(公告)号：US20140311699A1
公开(公告)日：2014-10-23
申请号：US14364457
申请日：2012-12-14
申请人： ARVEDI STEEL ENGINEERING S.P.A.
发明人： Andrea Teodoro Bianchi , Giovanni Arvedi
IPC分类号： B22D11/053 , B22D11/055
CPC分类号： B22D11/053 , B22D11/055
摘要： A device for supporting and oscillating continuous casting moulds in continuous casting plants comprises at least one support suitable to support a continuous casting mould, said support comprising a fixed assembly restrained to a frame of the device and a movable assembly that is slidably restrained to said fixed assembly in a vertical direction (A) and connected to a servomechanism suitable to move it in a reciprocating manner relative to the fixed assembly along said axial direction (A), said movable assembly comprising a plurality of channels suitable to allow a flow of a cooling fluid to and from a cooling circuit of said mould, said channels being supplied by supply pipes arranged along the vertical direction (A). The device further comprises at least one connecting pipe suitable to allow to connect a supply pipe, said connecting pipe having a T shape and comprising a first duct rigidly connected to the movable assembly in a horizontal direction (B), as well as a second and a third duct extending from said first duct in opposite ways along the vertical direction (A), said second and third ducts being respectively connected to first and second end portions of the fixed assembly through further axially deformable ducts and being respectively a blind duct and a flow-through duct suitable to allow the cooling fluid to flow towards the first and the second ducts. The second and third ducts, and preferably also the first duct, of the at least one connecting pipe have the same diameter of the supply pipes.
摘要翻译：用于在连续铸造设备中支撑和摆动连续铸造模具的装置包括至少一个适于支撑连续铸造模具的支撑件，所述支撑件包括限制在所述装置的框架上的固定组件和可滑动地限制在所述固定在垂直方向（A）上组装并连接到适于相对于固定组件沿着所述轴向方向（A）往复运动的伺服机构，所述可移动组件包括多个通道，适于允许冷却流所述通道由所述模具的冷却回路流出，所述通道由沿垂直方向（A）排列的供给管供给。该装置还包括适于允许连接供给管的至少一个连接管，所述连接管具有T形并且包括在水平方向（B）处刚性地连接到可移动组件的第一管道，以及第二和从所述第一管道沿着垂直方向（A）以相反方向延伸的第三管道，所述第二和第三管道分别通过另外的可轴向变形的管道连接到固定组件的第一和第二端部，并且分别是盲管和适于允许冷却流体朝向第一和第二管道流动的流通管道。所述至少一个连接管的第二和第三管道，优选地也是第一管道具有相同的供应管直径。

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