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1. 发明授权

US11833582B2 Method for producing metal ingot 有权
公开(公告)号：US11833582B2
公开(公告)日：2023-12-05
申请号：US16604906
申请日：2018-04-13
申请人： NIPPON STEEL CORPORATION
发明人： Hitoshi Funagane , Kenji Hamaogi
IPC分类号： C22B9/22 , B22D21/06 , B22D27/02 , B22D11/116 , F27B3/08 , B22D7/00 , C22B34/12 , C22C14/00 , B22D35/04 , C21D9/70
CPC分类号： B22D7/005 , B22D11/116 , B22D21/06 , B22D27/02 , B22D35/04 , C21D9/70 , C22B9/22 , C22B34/1295 , C22C14/00 , F27B3/08
摘要： A method for producing a metal ingot by using an electron-beam melting furnace including an electron gun and a hearth that accumulates a molten metal of a metal raw material, in which, in a downstream region between an upstream region in which the metal raw material is supplied onto the surface of the molten metal and a first side wall, an irradiation line is disposed so as to block a lip portion and so that two end portions are positioned in the vicinity of the side wall of the hearth. A first electron beam is radiated onto the surface of the molten metal along the irradiation line, such that the surface temperature (T2) of the molten metal along the irradiation line is made higher than the average surface temperature (T0) of the entire surface of the molten metal in the hearth.

2. 发明申请

US20130203004A1 METHOD FOR INCREASING THE TEMPERATURE HOMOGENEITY IN A PIT FURNACE 审中-公开
标题翻译：增加炉膛温度均匀性的方法
公开(公告)号：US20130203004A1
公开(公告)日：2013-08-08
申请号：US13642909
申请日：2011-05-03
申请人： Rudiger Eichler
发明人： Rudiger Eichler
IPC分类号： C21D9/70 , F27B3/22 , F27B3/20
CPC分类号： C21D9/70 , F27B3/205 , F27B3/225 , F27B17/00 , F27D7/02 , F27D99/0001
摘要： A method for increasing temperature homogeneity in a pit furnace wherein at least one ingot to be heated leans against an inner wall of the pit furnace for providing a space having a triangular cross-section under the ingot between the ingot and the inner wall includes arranging at least one lance for an oxidant with an oxygen content of at least 85 percent by weight so that its orifice is arranged inside the furnace for supplying the oxidant to the space.
摘要翻译：一种用于提高炉膛炉内温度均匀性的方法，其中待加热的至少一个铸块倾斜于炉膛的内壁，以提供铸锭与内壁之间的铸锭下面具有三角形横截面的空间，包括：氧含量至少为85重量％的氧化剂的至少一个喷枪，使得其孔口布置在炉内以将氧化剂供应到该空间。

3. 发明申请

US20120199252A1 HEAT TREATMENT OF MARTENSITIC STAINLESS STEEL AFTER REMELTING UNDER A LAYER OF SLAG 有权
标题翻译：根据一层SLAG进行重新焊接之后的马氏体不锈钢的热处理
公开(公告)号：US20120199252A1
公开(公告)日：2012-08-09
申请号：US13501610
申请日：2010-10-11
申请人： Laurent Ferrer , Patrick Philipson
发明人： Laurent Ferrer , Patrick Philipson
IPC分类号： C21D1/84
CPC分类号： C21D9/70 , C21D3/06 , C21D9/0081 , C21D2211/001 , C21D2211/005 , C21D2211/008 , C21D2211/009 , C22B9/18
摘要： A method fabricating a stainless martensitic steel, including electroslag remelting then cooling an ingot of the steel, then at least one austenitic thermal cycle heating the ingot above its austenitic temperature followed by a cooling. During each cooling: if the cooling is not followed by an austenitic thermal cycle, holding the ingot at a holding temperature included in the ferritic-pearlitic transformation nose for a hold time longer than sufficient for transforming the austenite into a ferritic-pearlitic structure in the ingot as completely as possible at the holding temperature; if the cooling is followed by an austenitic thermal cycle, before its minimum temperature falls below the martensitic transformation start temperature, the ingot is either held throughout the period between the two austenitic thermal cycles at a temperature above the austenitic transformation completion temperature on heating, or held at the holding temperature included in the ferritic-pearlitic transformation nose.
摘要翻译：一种制造不锈钢马氏体钢的方法，包括电渣重熔然后冷却钢锭，然后将至少一个奥氏体热循环加热到奥氏体温度高于其奥氏体温度，然后冷却。在每次冷却过程中：如果冷却不伴随着奥氏体热循环，则将锭保持在包含在铁素体 - 珠光体相变鼻中的保持温度下的保持时间长于足以将奥氏体转变成铁素体 - 珠光体结构中的奥氏体锭在保持温度下尽可能完全; 如果冷却之后是奥氏体热循环，则在其最低温度低于马氏体转变开始温度之前，在高于奥氏体转变完成温度的加热温度下，在两个奥氏体热循环之间的整个时期内，该锭都被保持，或者保持在包含在铁素体 - 珠光体转变鼻中的保持温度。

4. 发明授权

US4906184A Long life cover for heat chamber 失效
标题翻译：加热室寿命长
公开(公告)号：US4906184A
公开(公告)日：1990-03-06
申请号：US280918
申请日：1988-12-07
申请人： Robert Milluzzi
发明人： Robert Milluzzi
IPC分类号： B22D41/00 , C21D1/00 , C21D9/70 , F23M7/00 , F27D1/00 , F27D1/18
CPC分类号： C21D9/70 , B22D41/00 , F27D1/002 , F27D1/1808
摘要： A method and means of heat insulating the opening in a heat chamber, e.g., a soaking pit, comprises applying a cover including an inside lining of ceramic fibres, under a load which is selected so that the fibres contact a peripheral wall of the opening under a pressure which is sufficient to form a seal with the wall but insufficient to cause the fibres to be crushed.
摘要翻译：在加热室（例如均热坑）中将开口隔热的方法和方法包括在选定的负载下施加包括陶瓷纤维内衬的盖，使得纤维接触开口的周围壁足以与壁形成密封但不足以引起纤维被压碎的压力。

5. 发明授权

US4168013A High temperature insulating container 失效
标题翻译：高温绝热容器
公开(公告)号：US4168013A
公开(公告)日：1979-09-18
申请号：US842557
申请日：1977-10-17
申请人： William C. King , Thomas Reed
发明人： William C. King , Thomas Reed
IPC分类号： C21D1/84 , C21D9/70 , F27D1/00 , B65D25/18
CPC分类号： C21D1/84 , C21D9/70 , F27D1/0009
摘要： Mill processing of ingots and like metal articles at or after bringing to temperatures above about 900.degree. C. is enhanced through self-heat soaking at such high temperatures to homogenize temperature and structural parameters throughout the body of such article. In particular this improves workability of such article for forging or rolling. The insulation comprises thin metal foils or the like separated by alternating layers of subdivided fibrous insulation, preferably in felted, woven or other sheet form and structured to maintain structural integrity at such high temperatures, and provides insulation of the metal article surrounded by such insulation and reduces scale formation and eliminates the need for flame or other external heat source or the need for heavy and/or voluminous handling and furnace equipment.
摘要翻译：通过在这样高的温度下自热浸泡使得在高于约900℃的温度下或之后的锭和类似的金属制品的加工是通过在这种制品的整个身体中均匀化温度和结构参数来增强的。特别地，这提高了这种用于锻造或轧制的制品的可加工性。绝缘体包括由细分纤维绝缘体的交替层隔开的薄金属箔等，优选地以毡状，织造或其它片状形式并且被构造成在这样高的温度下保持结构完整性，并且提供被这种绝缘包围的金属制品的绝缘和减少水垢形成，并消除对火焰或其他外部热源的需要，或者需要重的和/或大量的处理和炉子设备。

6. 发明授权

US4120642A Method for heating ingot in soaking pit 失效
标题翻译：浸泡槽中加热锭的方法
公开(公告)号：US4120642A
公开(公告)日：1978-10-17
申请号：US792800
申请日：1977-05-02
申请人： Kohichiroh Miyauchi , Atsushi Ohsumi , Yukio Haga , Tsutomu Izumi , Masahiro Tsuru , Kazuo Kunioka , Shunichi Sugiyama
发明人： Kohichiroh Miyauchi , Atsushi Ohsumi , Yukio Haga , Tsutomu Izumi , Masahiro Tsuru , Kazuo Kunioka , Shunichi Sugiyama
IPC分类号： C21D1/52 , C21D9/70 , F27B3/02
CPC分类号： C21D9/70 , C21D1/52
摘要： A steel ingot having a still-liquid portion therein is charged into a soaking pit; then, said ingot is heated by injecting a fuel from a combustion unit of said soaking pit into said soaking pit with a constant and minimum fuel flow rate capable of holding a pit temperature higher by from 10 to 100.degree. C than the cold point temperature of said ingot at the completion of solidification of said still-liquid portion in said ingot, until said still-liquid portion in said ingot is completely solidified; and then, upon the completion of said solidification, the surface portions of said ingot are further heated up to above a prescribed temperature permitting rolling thereof by injecting a fuel from said combustion unit into said soaking pit with a constant fuel flow rate of at least 60% of the maximum fuel flow rate of said combustion unit, thereby reducing the fuel consumption in said soaking pit.
摘要翻译：将其中具有静止液体部分的钢锭装入均热槽中; 然后，通过将燃料从所述均热槽的燃烧单元注入所述均热槽中，以能够将炉温升高10℃至100℃的恒定和最小燃料流量来加热所述铸锭，所述锭在所述锭中的所述静液体部分的固化完成之后，直到所述锭中的所述静液体部分完全固化; 然后，在所述固化完成后，将所述铸块的表面部分进一步加热至高于允许轧制的规定温度，通过将来自所述燃烧单元的燃料以恒定的燃料流率至少为60 所述燃烧单元的最大燃料流量的百分比，从而减少所述均热坑中的燃料消耗。

7. 发明授权

US4019446A Rail girder for soaking-pit cover 失效
标题翻译：轨道梁用于浸泡坑盖
公开(公告)号：US4019446A
公开(公告)日：1977-04-26
申请号：US635500
申请日：1975-11-26
申请人： Eugene V. Abarotin , Michael A. Buckiso , Daniel T. Farley , Stephen R. Simko
发明人： Eugene V. Abarotin , Michael A. Buckiso , Daniel T. Farley , Stephen R. Simko
IPC分类号： C21D9/70 , F23M7/00
CPC分类号： C21D9/70
摘要： A beam structure is described for supporting rails that carry wheeled cover carriages employed to close the openings of chambers in an industrial furnace of the soaking pit type. Each beam is disposed on the median wall between adjacent chambers and is arranged to mount a pair of rails, each of which is associated with one of the two adjacent chamber openings. The beam is structured and arranged to rapidly dissipate heat acquired during periods of furnace operation and especially due to exposure to the interior of the furnace when the associated cover is removed to thereby protect against undue thermal stressing. Ancillary insulating means may be appended to the structure in the most severely affected regions thereof.
摘要翻译：描述了用于支撑轨道的梁结构，其支撑用于封闭浸泡坑类型的工业炉中的室的开口的轮式盖架。每个梁设置在相邻室之间的中间壁上，并且被布置成安装一对轨道，每个轨道与两个相邻室室开口中的一个相关联。梁被构造和布置成快速耗散在炉操作期间获得的热，特别是当相关盖被移除时暴露于炉内部，从而防止不适当的热应力。辅助绝缘装置可以附着在其受影响最严重的区域中的结构上。

8. 发明授权

US3994670A Furnace heating 失效
标题翻译：炉加热
公开(公告)号：US3994670A
公开(公告)日：1976-11-30
申请号：US595603
申请日：1975-07-14
申请人： Anthony Terence Sheridan
发明人： Anthony Terence Sheridan
IPC分类号： C21D9/70 , F23C5/24
CPC分类号： C21D9/70
摘要： This invention relates to a U-fired soaking pit in which an auxiliary burner 4, e.g. a tunnel burner, is located below the main burner 3 to supplement the heat flow and heat transfer therefrom. The auxiliary burner is mounted between twin exhaust flue 5,6 and is vertically in line with the main burner, the main and auxiliary burners being disposed equi-distantly from one another and from the top and bottom of the furnace, respectively.
摘要翻译：本发明涉及一种U型烧制凹坑，其中辅助燃烧器4 隧道式燃烧器位于主燃烧器3的下方，以补充热流和热传递。辅助燃烧器安装在双排气烟道5,6之间，与主燃烧器垂直，主燃烧器和辅助燃烧器分别相互远离火炉和顶部和底部设置。

9. 发明授权

US3397874A Soaking pit and method of operating the same 失效
标题翻译：浸泡坑和操作方法相同
公开(公告)号：US3397874A
公开(公告)日：1968-08-20
申请号：US59026566
申请日：1966-10-28
申请人： LOFTUS ENGINEERING CORP
发明人： ALFRED AUGUSTINE
IPC分类号： C21D9/70
CPC分类号： C21D9/70

10. 发明授权

US3356355A Slab furnace with restricted enclosing chamber 失效
标题翻译：板式炉具有限制封闭室
公开(公告)号：US3356355A
公开(公告)日：1967-12-05
申请号：US42612065
申请日：1965-01-18
申请人： SUMMERS & SONS LTD JOHN , STEIN ATKINSON STRODY LTD
发明人： JONES JOHN F R
IPC分类号： C21D9/70 , F27B9/22 , F27B9/30
CPC分类号： C21D9/70 , F27B9/22 , F27B9/3011 , F27B2009/3027 , F27B2009/3072

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