公开(公告)号：US20100065167A1

公开(公告)日：2010-03-18

申请号：US12312482

申请日：2007-11-14

申请人： Alessandro Dulcetti ,  Milorad Pavlicevic ,  Nicoletta Zacchetti ,  Alessandra Primavera ,  Stefano Luperi ,  Luca Lattanzi ,  Simone Guanin

发明人： Alessandro Dulcetti ,  Milorad Pavlicevic ,  Nicoletta Zacchetti ,  Alessandra Primavera ,  Stefano Luperi ,  Luca Lattanzi ,  Simone Guanin

IPC分类号： C21D1/613 ,  C21D6/00 ,  C21D8/02

CPC分类号： C21D9/561 ,  C21D9/52 ,  C23G1/00 ,  C23G1/085 ,  C23G1/086 ,  C25F1/06

摘要： A continuous annealing and pickling process of flat cold-rolled products, such as stainless steel strips, to obtain a high surface quality product at high production rates and with a low environmental impact. It comprises the following steps: heating, up to a temperature comprised in the range 650-1050° C., in an atmosphere with an oxygen content comprised in the range from 0.5 to 12%; heating for a time comprised from 10 to 200 sec up to a temperature comprised in the range from 650 to 1200° C. in presence of oxidizing agents and/or inert agents; cooling down to temperatures comprised in the range from 650° C. to ambient tempera in presence of oxidizing agents and/or inert agents; thermochemical or electrolytic descaling and finally possible pickling and/or passivation, by means of the use of pickling baths consisting of mineral acid solutions.

摘要翻译： 平板冷轧产品如不锈钢带的连续退火和酸洗工艺，以高生产率和低环境影响获得高表面质量的产品。 其包括以下步骤：在氧含量为0.5至12％的气氛中加热至达650-1050℃范围内的温度; 在氧化剂和/或惰性剂的存在下加热10至200秒直至温度为650至1200℃的温度; 在氧化剂和/或惰性剂存在下，冷却至650℃至环境温度范围内的温度; 通过使用由无机酸溶液组成的酸洗浴，进行热化学或电解除垢，最后可能酸洗和/或钝化。

公开(公告)号：US08192566B2

公开(公告)日：2012-06-05

申请号：US12312482

申请日：2007-11-14

申请人： Alessandro Dulcetti ,  Milorad Pavlicevic ,  Nicoletta Zacchetti ,  Alessandra Primavera ,  Stefano Luperi ,  Luca Lattanzi ,  Simone Guanin

发明人： Alessandro Dulcetti ,  Milorad Pavlicevic ,  Nicoletta Zacchetti ,  Alessandra Primavera ,  Stefano Luperi ,  Luca Lattanzi ,  Simone Guanin

IPC分类号： C21D1/613 ,  C21D6/00 ,  C21D8/02

CPC分类号： C21D9/561 ,  C21D9/52 ,  C23G1/00 ,  C23G1/085 ,  C23G1/086 ,  C25F1/06

摘要： A continuous annealing and pickling process of flat cold-rolled products, such as stainless steel strips, to obtain a high surface quality product at high production rates and with a low environmental impact. It comprises the following steps: heating, up to a temperature comprised in the range 650-1050° C., in an atmosphere with an oxygen content comprised in the range from 0.5 to 12%; heating for a time comprised from 10 to 200 sec up to a temperature comprised in the range from 650 to 1200° C. in presence of oxidizing agents and/or inert agents; cooling down to temperatures comprised in the range from 650° C. to ambient temperature in presence of oxidizing agents and/or inert agents; thermochemical or electrolytic descaling and finally possible pickling and/or passivation, by means of the use of pickling baths consisting of mineral acid solutions.

摘要翻译： 平板冷轧产品如不锈钢带的连续退火和酸洗工艺，以高生产率和低环境影响获得高表面质量的产品。 其包括以下步骤：在氧含量为0.5至12％的气氛中加热至达650-1050℃范围内的温度; 在氧化剂和/或惰性剂的存在下加热10至200秒直至温度为650至1200℃的温度; 在氧化剂和/或惰性物质存在下冷却至650℃至环境温度范围内的温度; 通过使用由无机酸溶液组成的酸洗浴，进行热化学或电解除垢，最后可能酸洗和/或钝化。

公开(公告)号：US08109283B2

公开(公告)日：2012-02-07

申请号：US12310838

申请日：2003-11-14

申请人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

发明人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

IPC分类号： B08B5/00

CPC分类号： C23G5/00 ,  B08B7/00 ,  B21B45/004 ,  B21B45/04 ,  B21B2045/006

摘要： An apparatus and process for the dry removal of the scale from the surface of a metal product comprising at least one heating area that does not reduce the specific surface of the material to be treated and does not cause oxidation, at least one reducing area for performing the reaction between a specific reducing gas (normally hydrogen) and at least the scale, at least one cooling area for cooling the metal product, means for heating the metal product, means for heating the reducing gas, means for controlling the fluid dynamics of the boundary layer produced by the flow of said reducing gas over the surface of the metal product, means for removing the reaction products front the reducing gas after the reaction, means for cooling the metal product, and means for removing the reaction products from the treated surface of the metal product.

摘要翻译： 一种用于从金属制品的表面干燥除垢的装置和方法，包括至少一个加热区域，其不减少待处理材料的比表面并且不引起氧化，至少一个还原区域用于执行 特定的还原气体（通常为氢）和至少氧化皮之间的反应，用于冷却金属产品的至少一个冷却区域，用于加热金属产品的装置，用于加热还原气体的装置，用于控制所述还原气体的流体动力学的装置 通过在金属制品的表面上的所述还原气体的流动产生的边界层，用于将反应后的还原气体前面的反应产物除去的装置，用于冷却金属产物的装置，以及用于从经处理的表面除去反应产物的装置 的金属制品。

公开(公告)号：US20100242990A1

公开(公告)日：2010-09-30

申请号：US12310838

申请日：2003-11-14

申请人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

发明人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

IPC分类号： C23G1/00

CPC分类号： C23G5/00 ,  B08B7/00 ,  B21B45/004 ,  B21B45/04 ,  B21B2045/006

摘要： An apparatus and process for the dry removal of the scale from the surface of a metal product comprising at least one heating area that does not reduce the specific surface of the material to be treated and does not cause oxidation, at least one reducing area for performing the reaction between a specific reducing gas (normally hydrogen) and at least the scale, at least one cooling area for cooling the metal product, means for heating the metal product, means for heating the reducing gas, means for controlling the fluid dynamics of the boundary layer produced by the flow of said reducing gas over the surface of the metal product, means for removing the reaction products front the reducing gas after the reaction, means for cooling the metal product, and means for removing the reaction products from the treated surface of the metal product.

摘要翻译： 一种用于从金属制品的表面干燥除垢的装置和方法，包括至少一个加热区域，其不减少待处理材料的比表面并且不引起氧化，至少一个还原区域用于执行 特定还原气体（通常为氢）和至少氧化皮之间的反应，用于冷却金属产品的至少一个冷却区域，用于加热金属产品的装置，用于加热还原气体的装置，用于控制所述还原气体的流体动力学的装置 通过在金属制品的表面上的所述还原气体的流动产生的边界层，用于将反应后的还原气体前面的反应产物除去的装置，用于冷却金属产物的装置，以及用于从经处理的表面除去反应产物的装置 的金属制品。

公开(公告)号：US20060163781A1

公开(公告)日：2006-07-27

申请号：US10535127

申请日：2003-11-14

申请人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

发明人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

IPC分类号： C22B5/12

CPC分类号： C23G5/00 ,  B08B7/00 ,  B21B45/004 ,  B21B45/04 ,  B21B2045/006

摘要： An apparatus and process for the dry removal of the scale from the surface of a metal product comprising at least one heating area that does not reduce the specific surface of the material to be treated and does not cause oxidation, at least one reducing area for performing the reaction between a specific reducing gas (normally hydrogen) and at least the scale, at least one cooling area for cooling the metal product, means for heating the metal product, means for heating the reducing gas, means for controlling the fluid dynamics of the boundary layer produced by the flow of said reducing gas over the surface of the metal product, means for removing the reaction products from the reducing gas after the reaction, means for cooling the metal product, and means for removing the reaction products from the treated surface of the metal product.

公开(公告)号：US07520946B2

公开(公告)日：2009-04-21

申请号：US10535127

申请日：2003-11-14

申请人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

发明人： Milorad Pavlicevic ,  Alfredo Poloni ,  Alessandra Primavera ,  Fabio Guastini ,  Alejandro Sanz Lara ,  Fabio Vecchiet

IPC分类号： C22B5/12

CPC分类号： C23G5/00 ,  B08B7/00 ,  B21B45/004 ,  B21B45/04 ,  B21B2045/006

摘要： An apparatus and process for the dry removal of the scale from the surface of a metal product comprising at least one heating area that does not reduce the specific surface of the material to be treated and does not cause oxidation, at least one reducing area for performing the reaction between a specific reducing gas (normally hydrogen) and at least the scale, at least one cooling area for cooling the metal product, means for heating the metal product, means for heating the reducing gas, means for controlling the fluid dynamics of the boundary layer produced by the flow of said reducing gas over the surface of the metal product, means for removing the reaction products from the reducing gas after the reaction, means for cooling the metal product, and means for removing the reaction products from the treated surface of the metal product.

摘要翻译： 一种用于从金属制品的表面干燥除垢的装置和方法，包括至少一个加热区域，其不减少待处理材料的比表面并且不引起氧化，至少一个还原区域用于执行 特定还原气体（通常为氢）和至少氧化皮之间的反应，用于冷却金属产品的至少一个冷却区域，用于加热金属产品的装置，用于加热还原气体的装置，用于控制所述还原气体的流体动力学的装置 通过在金属制品的表面上的所述还原气体的流动产生的边界层，用于从反应后的还原气体中除去反应产物的装置，用于冷却金属产物的装置，以及用于从经处理的表面除去反应产物的装置 的金属制品。

公开(公告)号：US06535543B2

公开(公告)日：2003-03-18

申请号：US09938859

申请日：2001-08-27

申请人： Peter Tischenko ,  Angelico Della Negra ,  Milorad Pavlicevic ,  Alfredo Poloni

发明人： Peter Tischenko ,  Angelico Della Negra ,  Milorad Pavlicevic ,  Alfredo Poloni

IPC分类号： F27D100

CPC分类号： F27D1/1816 ,  F27D17/003

摘要： Device to take in fumes and cool the roof (10) of electric furnaces. The device has a central aperture (11) into which an electrode can be inserted and a peripheral aperture (12) to take in and discharge the fumes. The device also has a first cooling system (13) for a central zone surrounding, and cooperating with, the central aperture (11), and a second system (15) to take in and convey the fumes. The first cooling system (13) includes a circular cyclone chamber (18) having a plurality of turns (19) able to cool the zone surrounding the central aperture (11).

公开(公告)号：US06327296B1

公开(公告)日：2001-12-04

申请号：US09601574

申请日：2000-09-08

申请人： Alfredo Poloni ,  Milorad Pavlicevic ,  Gianni Gensini ,  Peter Tishchenko ,  Angelico Della Negra

发明人： Alfredo Poloni ,  Milorad Pavlicevic ,  Gianni Gensini ,  Peter Tishchenko ,  Angelico Della Negra

IPC分类号： F27D102

CPC分类号： F27D1/1816 ,  F27D17/003

摘要： A cooled roof for electric arc furnaces (20) or ladle furnaces (29). The roof being used as a covering element and including a cooling system comprising tubes fed with cooling fluid. The roof including at least a central aperture (25) for the positioning and movement of the electrodes (30) and at least a peripheral aperture (14) for the aspiration and discharge of fumes. The aperture (14) being connected to intake systems. The roof including two single-block cooling structures, inner (1) and outer (12), consisting of respective bent tubes (15, 16) developing according to adjacent and superimposed rings or spirals. The inner (11) and outer (12) cooling structures being associated with one another at least in correspondence with the respective bases facing towards the inside of the furnace (20, 29). Between the inner cooling structure (11) and the outer cooling structure (12) there being defined an annular interspace (13) in which the fumes circulate in an annular direction and slow down. The annular interspace (13) communicating with the peripheral aperture. The inner cooling structure (11) including fume-transit interstices connecting the inside of the furnace (20, 29) with the annular interspace (13).

摘要翻译： 电弧炉（20）或钢包炉（29）的冷却屋顶。 屋顶被用作覆盖元件并且包括包括供给冷却流体的管的冷却系统。 该屋顶至少包括用于电极（30）的定位和移动的中心孔（25）和用于抽吸和排放烟雾的至少一个周边孔（14）。 孔（14）连接到进气系统。 屋顶包括两个单块冷却结构，内部（1）和外部（12），由相应的弯曲管（15,16）组成，根据相邻和叠加的环或螺旋形成。 内部（11）和外部（12）冷却结构至少与朝向炉子（20,29）的内部的相应基座相对应。 在内部冷却结构（11）和外部冷却结构（12）之间，限定了环形间隙（13），其中烟雾在环形方向上循环并且减慢。 环形间隙（13）与外围孔连通。 内部冷却结构（11）包括将炉子（20,29）的内部与环形间隙（13）连接的通风间隙。

公开(公告)号：US06226312B1

公开(公告)日：2001-05-01

申请号：US09588017

申请日：2000-06-06

申请人： Alfredo Poloni ,  Milorad Pavlicevic ,  Stefano Morsut

发明人： Alfredo Poloni ,  Milorad Pavlicevic ,  Stefano Morsut

IPC分类号： H05B710

CPC分类号： H05B7/12

摘要： Device to cool and protect a cathode in an electric arc furnace, wherein the cathode comprises at least a consumable column, a structure, hollow on the inside and containing a cooling liquid, arranged around the column and provided with a first lower chamber in which a liquid is suitable to evaporate and a second upper chamber in which the condensation of steam is suitable to occur, at least two vertical conduits being provided to connect the two chambers.

摘要翻译： 用于在电弧炉中冷却和保护阴极的装置，其中所述阴极至少包括消耗柱，在内部具有中空且包含冷却液体的结构，所述结构设置在所述塔周围并且设置有第一下室，其中， 液体适于蒸发，并且其中蒸汽冷凝适合发生的第二上部室，设置至少两个垂直管道以连接两个室。

公开(公告)号：US5762127A

公开(公告)日：1998-06-09

申请号：US470453

申请日：1995-06-06

申请人： Giampietro Benedetti ,  Milorad Pavlicevic ,  Gianni Gensini ,  Alfredo Poloni

发明人： Giampietro Benedetti ,  Milorad Pavlicevic ,  Gianni Gensini ,  Alfredo Poloni

IPC分类号： B22D11/055 ,  B22D11/22 ,  B22D11/04

CPC分类号： B22D11/055 ,  B22D11/22

摘要： Crystalliser and method to control the deformations of the sidewalls of a crystalliser (11) for the continuous casting of billets/blooms/slabs (24), which is associated with a mould (10) and cooperates externally with a box-shaped structure (13) creating a cooling chamber (14), in which a cooling fluid circulates, and cooperates internally with the skin of the billets/blooms/slabs (24) being formed, the cooling chamber (14) containing an intermediate wall (20) creating a circulation channel (21) in cooperation with the outer surface of the sidewall (12) of the crystalliser (11), at least one upper zone (37) being included in cooperation at least with the vicinity of the meniscus and with the portion below the meniscus (27) of liquid metal, a lower zone (38) being also included and beginning in the vicinity of the zone of separation of the forming skin from the inner surface of the sidewall (12) of the crystalliser (11) and extending towards the outlet of the crystalliser (11), the pressure of the cooling fluid in the lower zone (38) of the crystalliser (11) being a function of the desired value (g1) of an air interspace (36) between the sidewall (12) of the crystalliser (11) and the skin of the forming billet/bloom/slab (24), this desired value of air interspace (36) tending towards a zero value.

摘要翻译： 结晶器和控制结晶器（11）的侧壁的变形的方法，用于连续铸造与模具（10）相连的坯料/坯料（24），并且与外壳与箱形结构（13）配合 （14），其中冷却流体循环并与所形成的坯料/坯料/板坯（24）的表皮内部配合，所述冷却室包含中间壁（20），所述中间壁（20）形成 循环通道（21）与结晶器（11）的侧壁（12）的外表面协作，至少一个上部区域（37）至少与弯月面附近配合并且与下部的部分 液体金属的弯月面（27），还包括下部区域（38），并且从成形皮肤与分离器（11）的侧壁（12）的内表面分开的区域附近开始并向着 结晶器（11）的出口， 确定结晶器（11）的下部区域（38）中的冷却流体是结晶器（11）的侧壁（12）和皮肤（11）之间的空气间隙（36）的期望值（g1）的函数 形成坯料/坯料/板坯（24）时，空气间隙（36）的期望值倾向于零值。