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公开(公告)号：US20240318916A1
公开(公告)日：2024-09-26
申请号：US18259660
申请日：2021-11-09
CPC分类号： F27D99/0073 , F27B9/201 , F27D3/00 , F27D2003/0048
摘要： The subject of the present invention is a shielding shoe for covering openings in the bottom of a walking beam furnace, the shielding shoe having a semi-circular recess and can thereby be taken up by a vertical support of the walking beam furnace. The shielding shoe consists essentially of refractory cast concrete or refractory rammed concrete and, according to the invention, has a honeycomb-like structure below the shielding jacket. The present invention also relates to a walking beam furnace with such shielding shoes.
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公开(公告)号：US20230375272A1
公开(公告)日：2023-11-23
申请号：US18027488
申请日：2021-09-27
申请人： PAUL WURTH S.A.
CPC分类号： F27D7/02 , F27D3/16 , F27B1/16 , F27B1/24 , F27D99/0073 , F27D2007/023 , F27D2003/166
摘要： A shaft furnace, in particular a blast furnace, comprises includes an outer metal shell; a plurality of tuyeres arranged to inject hot blast into the shaft furnace; and means for injecting process gas in the shaft stack area, where the injector has a nozzle body with a peripheral wall extending along a longitudinal axis from a front portion, with at least one injection hole, to an opposite rear portion connected to a base member, where the nozzle body includes an inner gas channel for guiding process gas from an inlet port in the base member to the injection holes(s), nozzle body being mounted through an aperture in the metal shell in such a way that the front region with injection hole(s) is located on the inner side of the metal shell, whereas the rear portion is outside of the metal shell, and the base member includes a peripheral mounting portion configured for connecting the injector in a gas tight manner to a mounting unit surrounding the aperture in the metal shell.
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公开(公告)号：US20180231170A1
公开(公告)日：2018-08-16
申请号：US15878712
申请日：2018-01-24
发明人： Osamu Yamashita
IPC分类号： F16L59/065
CPC分类号： F16L59/065 , B01J10/005 , B01J12/005 , B01J19/0073 , C21D9/0006 , F16J15/061 , F16L9/18 , F16L27/11 , F16L27/12 , F16L51/02 , F16L51/025 , F16L59/143 , F27D3/0025 , F27D3/0033 , F27D3/18 , F27D99/0073
摘要： Provided is a decompression heat-insulating pipe structure that can be used in the system operating at high temperatures. A decompression heat-insulating pipe structure of the present disclosure includes: an outer tube and an inner tube each having a flange; and a seal member between the flanges, the seal member being configured to keep a space between the outer tube and the inner tube in a decompression state, and a shifting means configured to shift the outer tube and the inner tube relatively so as to selectively dispose the tubes at a pressing position to press the seal member between the flanges and at a cancellation position to cancel the pressing of the seal member.
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公开(公告)号：US20180128548A1
公开(公告)日：2018-05-10
申请号：US15865499
申请日：2018-01-09
发明人： Baoli Yang , Yong Zhang
IPC分类号： F27D1/18
CPC分类号： F27D1/1866 , F27D1/18 , F27D99/0073 , F27D2099/0083
摘要： A furnace door sealing device for a low-pressure diffusion furnace is provided. The furnace door sealing device includes a furnace door, a fixed shaft and a fixed base which are coaxially arranged in sequence from front to back. A bearing pedestal is fixed at the center of the rear end surface of the furnace door. A centripetal knuckle bearing is arranged in the bearing pedestal. An outer ring of the centripetal knuckle bearing is fixed in the bearing pedestal. An inner ring of the centripetal knuckle bearing fixedly sleeves the front end of the fixed shaft. The rear end of the fixed shaft is fixed in the fixed base. A supporting plate is also fixed on the front end surface of the fixed base. Multiple spring adjusting assemblies are arranged on the supporting plate at an interval.
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公开(公告)号：US20180112920A1
公开(公告)日：2018-04-26
申请号：US15849144
申请日：2017-12-20
CPC分类号： F27D99/0073 , F16J15/022 , F16J15/3268 , F16J15/3288 , F16L5/10 , F27D2099/0081
摘要： The present invention relates generally to furnace systems and more particularly, but not by way of limitation, to a split-ring assembly for sealing a junction between a catalyst tube and a furnace. In one aspect, the present invention relates to a ring-seal assembly. The ring-seal assembly includes a housing ring coupled to an outer surface of a furnace. The housing ring is disposed around a circumference of a tube proximate a junction with the furnace. The ring seal assembly further includes a brush seal that is at least partially disposed within the housing ring. The brush seal is disposed around the circumference of the tube. A plurality of brushes extend radially inwardly from the brush seal towards the tube.
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公开(公告)号：US09874399B2
公开(公告)日：2018-01-23
申请号：US14508315
申请日：2014-10-07
申请人： Leco Corporation
发明人： Gordon C. Ford
IPC分类号： F27B14/00 , H05B3/62 , F27D7/06 , F27B14/08 , F27B14/14 , F27B17/02 , F27D11/06 , F27B14/06 , H05B6/26 , F27D99/00
CPC分类号： F27D7/06 , F27B14/061 , F27B14/08 , F27B14/14 , F27B17/02 , F27B2014/066 , F27B2014/0825 , F27D11/06 , F27D99/0073 , F27D2007/063 , F27D2201/00 , H05B6/26
摘要： A combustion tube mounting system releasably mounts a combustion tube to an aperture in the floor of a furnace housing. The combustion tube has a base assembly with a cam and can be manually or automatically unlocked by cam pins in the floor for selectively engaging the cam for lowering the combustion tube from the floor of the furnace. When a new combustion tube is placed on the lower seal assembly and raised, it automatically aligns and engages the upper furnace seal and engages cams on the floor of the furnace housing which lock the combustion tube in place as it is introduced into the furnace.
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公开(公告)号：US09423182B2
公开(公告)日：2016-08-23
申请号：US14006720
申请日：2012-03-23
申请人： Rolf-Josef Schwartz
发明人： Rolf-Josef Schwartz
IPC分类号： F26B13/18 , F27B9/30 , F27B9/04 , F27B9/24 , F27B17/00 , F27D3/02 , F27D7/02 , F27D99/00 , C21D9/00
CPC分类号： F27B9/30 , C21D9/0012 , C21D9/0056 , F27B9/047 , F27B9/2407 , F27B9/2469 , F27B9/3005 , F27B17/0016 , F27B17/0083 , F27D3/026 , F27D7/02 , F27D99/0073 , F27D2007/023
摘要： The invention relates to a roller hearth furnace for heating workpieces, comprising at least one furnace chamber for receiving the workpieces, the chamber having at least two lateral furnace walls. At least one transport roller for transporting the workpieces through the furnace chamber is arranged inside the furnace chamber, and each of the furnace walls has at least one opening through which the transport roller can be guided. At least one rolling bearing unit is arranged on each of the outer sides of the furnace walls, said rolling bearing unit being designed to accommodate and support the transport roller outside the furnace chamber. The roller hearth furnace comprises a flushing system for the rolling bearing unit, said flushing system being designed to conduct a flushing gas through the rolling bearing unit, wherein the flushing gas can be conducted from a side of the rolling bearing unit facing away from the furnace wall through the rolling bearing unit and through the opening of the furnace wall into the furnace chamber of the roller hearth furnace. The invention further relates to a method for heating workpieces in such a roller hearth furnace.
摘要翻译： 本发明涉及一种用于加热工件的辊底炉，包括至少一个用于接收工件的炉室，该室具有至少两个侧壁炉壁。 至少一个用于将工件运送通过炉室的输送辊布置在炉室的内部，并且每个炉壁具有至少一个开口，输送辊可通过该开口被引导。 至少一个滚动轴承单元布置在炉壁的每个外侧上，所述滚动轴承单元被设计成容纳并支撑在炉室外部的输送辊。 滚底炉包括用于滚动轴承单元的冲洗系统，所述冲洗系统被设计成将冲洗气体通过滚动轴承单元，其中冲洗气体可以从滚动轴承单元的背离炉的一侧传导 壁通过滚动轴承单元，并通过炉壁的开口进入炉底炉的炉室。 本发明还涉及一种用于在这种辊底炉中加热工件的方法。
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8.发明授权公开(公告)号：US09388484B2
公开(公告)日：2016-07-12
申请号：US14402979
申请日：2013-05-20
发明人： Hideyuki Takahashi
IPC分类号： C23C2/40 , C23C2/02 , C23C2/06 , C23C2/26 , C23C2/28 , C21D9/56 , F27D7/06 , C21D1/74 , C21D1/76 , C21D1/26 , F27D7/04 , C21D8/02 , C21D9/00 , C23C2/00 , F27B9/04 , F27B9/14 , F27D99/00
CPC分类号： F27D7/06 , C21D1/26 , C21D1/74 , C21D1/76 , C21D8/0205 , C21D9/005 , C21D9/56 , C21D9/561 , C23C2/003 , C23C2/02 , C23C2/06 , C23C2/26 , C23C2/28 , C23C2/40 , C23F17/00 , F27B9/045 , F27B9/145 , F27D7/04 , F27D99/0073
摘要： A continuous annealing furnace for annealing steel strips that is a vertical-type annealing furnace is configured so that part of gas inside the furnace is drawn and introduced to a refiner disposed outside the furnace including an oxygen removing apparatus and a dehumidifying apparatus, oxygen and moisture contained in the gas are removed to lower the dew point of the gas, and the gas having a lowered dew point is put back into the furnace. At least one gas inlet through which gas is drawn from the furnace into the refiner is disposed in the vicinity of the entry side of the furnace at a distance of 6 m or less in the vertical direction and 3 m or less in the furnace-length direction from the steel-strip-introduction section located at the lower part of the heating zone.
摘要翻译： 作为垂直型退火炉的退火钢带的连续退火炉被构造成使得炉内的部分气体被拉出并引入设置在炉外的精炼机，其包括除氧装置和除湿装置，氧气和水分 除去气体中含有的气体以降低气体的露点，将露点降低的气体放回炉内。 至少一个气体从炉子进入炼油厂的气体入口设置在炉子进入侧附近，垂直方向的距离为6米或更小，炉长度为3米或更小 方向从位于加热区下部的钢带导入部分。
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公开(公告)号：US09121639B2
公开(公告)日：2015-09-01
申请号：US13568731
申请日：2012-08-07
申请人： Jörg Hammerich , Robert Mathai
发明人： Jörg Hammerich , Robert Mathai
CPC分类号： F27B7/42 , F16K3/029 , F23L13/06 , F27B7/20 , F27D9/00 , F27D17/00 , F27D17/004 , F27D99/0073
摘要： A slider unit for a tertiary air duct between a clinker cooler and a calciner of a clinker kiln line. The slider unit has at least one shutoff device, which is insertable into a tertiary air duct to seal it without further reducing the cross section of the tertiary air duct, and provides reliable sealing of the tertiary air duct and control of the tertiary air flow, if the slider unit has at least one control device which is insertable into a section of the tertiary air duct to reduce its cross section.
摘要翻译： 用于熟料冷却器和熟料窑炉煅烧炉之间的三级空气管道的滑块单元。 滑块单元具有至少一个切断装置，其可插入三次空气管道中以密封，而不进一步减小三次空气管道的横截面，并且提供三次空气管道的可靠密封和三次空气流的控制， 如果滑块单元具有至少一个控制装置，该控制装置可插入三次空气管道的一部分中以减小其横截面。
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10.发明申请公开(公告)号：US20150140218A1
公开(公告)日：2015-05-21
申请号：US14402979
申请日：2013-05-20
发明人： Hideyuki Takahashi
CPC分类号： F27D7/06 , C21D1/26 , C21D1/74 , C21D1/76 , C21D8/0205 , C21D9/005 , C21D9/56 , C21D9/561 , C23C2/003 , C23C2/02 , C23C2/06 , C23C2/26 , C23C2/28 , C23C2/40 , C23F17/00 , F27B9/045 , F27B9/145 , F27D7/04 , F27D99/0073
摘要： A continuous annealing furnace for annealing steel strips that is a vertical-type annealing furnace is configured so that part of gas inside the furnace is drawn and introduced to a refiner disposed outside the furnace including an oxygen removing apparatus and a dehumidifying apparatus, oxygen and moisture contained in the gas are removed to lower the dew point of the gas, and the gas having a lowered dew point is put back into the furnace. At least one gas inlet through which gas is drawn from the furnace into the refiner is disposed in the vicinity of the entry side of the furnace at a distance of 6 m or less in the vertical direction and 3 m or less in the furnace-length direction from the steel-strip-introduction section located at the lower part of the heating zone.
摘要翻译： 作为垂直型退火炉的退火钢带的连续退火炉被构造成使得炉内的部分气体被拉出并引入设置在炉外的精炼机，其包括除氧装置和除湿装置，氧气和水分 除去气体中含有的气体以降低气体的露点，将露点降低的气体放回炉内。 至少一个气体从炉子进入炼油厂的气体入口设置在炉子进入侧附近，垂直方向的距离为6米或更小，炉长度为3米或更小 方向从位于加热区下部的钢带导入部分。
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