公开(公告)号：US5832848A

公开(公告)日：1998-11-10

申请号：US538703

申请日：1995-10-03

申请人： Ray William Reynoldson ,  Andrew Simpson Fitchett

发明人： Ray William Reynoldson ,  Andrew Simpson Fitchett

IPC分类号： C21D1/53 ,  C21D1/76 ,  F23C10/00 ,  F23C10/28 ,  F27B9/02 ,  F27B9/08 ,  F27B9/24 ,  F27B9/30 ,  F27B9/40 ,  F27B15/00 ,  F23L1/00

CPC分类号： C21D1/53 ,  F23C10/00 ,  F23C10/28 ,  F27B15/00 ,  F27B9/084 ,  F27B9/3005 ,  F27B9/40 ,  C21D1/76 ,  F27B2009/2484 ,  F27B9/023

摘要： A fluidized bed heat treatment apparatus is provided to be heated by combusting fuel gas in a manner to minimize or prevent the exhaust of carbon monoxide, the apparatus including a retort containing refractory particles to be fluidized, a first inlet in a lower region of the retort for introducing fuel/air mixture into the retort, a second inlet in a lower region of the retort for introducing secondary air into the retort, a temperature sensor located above the first and second inlets, a flame initiator located above the refractory particles, an externally located mixer to mix fuel and air in desired proportions and to supply same to the first inlet, and a control device arranged to control said externally located mixer in response to temperatures sensed by said temperature sensor whereby when the temperature sensor is below a predetermined temperature indicative of the bed being substantially not fluidized, a stoichiometric fuel/air mixture is supplied to the first inlet and when the temperature sensor senses a temperature above the predetermined level indicative of the bed being substantially fluidized, a less than stoichiometric fuel/air mixture is supplied to the first inlet with secondary air being supplied through said second inlet.

摘要翻译： 提供了一种流化床热处理装置，以通过燃烧燃料气体来加热，以最小化或防止一氧化碳的排放，该装置包括含有待流化的耐火颗粒的蒸馏器，蒸馏器的下部区域中的第一入口 用于将燃料/空气混合物引入蒸馏器中，在蒸馏器的下部区域中的第二入口用于将二次空气引入蒸馏器中，位于第一和第二入口上方的温度传感器，位于耐火颗粒上方的火焰引发剂，外部 定位的混合器以按所需比例混合燃料和空气并将其提供给第一入口;以及控制装置，其布置成响应于所述温度传感器感测到的温度控制所述外部位于混合器，由此当温度传感器低于预定温度时 的床基本上不被流化，化学计量的燃料/空气混合物被供应到第一入口， 温度传感器感测高于指示床基本上流化的预定水平的温度，将少于化学计量的燃料/空气混合物供应到第一入口，二次空气通过所述第二入口供应。

公开(公告)号：US08317926B2

公开(公告)日：2012-11-27

申请号：US11989092

申请日：2006-07-20

申请人： Ray William Reynoldson

发明人： Ray William Reynoldson

IPC分类号： C23C16/00 ,  C23C16/442

CPC分类号： C23C8/80 ,  C23C10/02 ,  C23C12/00 ,  F27B15/02 ,  F27D99/0073 ,  F27D99/0075

摘要： The specification discloses a method and apparatus enabling the formation of a diffusion surface layer on a surface of a metal substrate, typically a ferrous based metal substrate, wherein in a first stage in a first fluidized bed furnace, a diffusion zone is formed extending inwardly from the surface of the metal substrate in which nitrogen has been diffused to form a nitride or carbo nitride inner zone and an outer white layer that is substantially free of porosity, treating the substrate formed in the first stage to prevent formation of or remove any surface oxide on the surface of the substrate, and in a second stage separate from the first stage, holding the thus treated substrate in a fluidized bed furnace operated under an inert atmosphere and fluidized by a flow of inert gas or gases, the substrate in the fluidized bed furnace being treated in the presence of a halide gas and a particulate metal or metal alloy.

摘要翻译： 该说明书公开了一种能够在金属基底（通常为铁基金属基底）的表面上形成扩散表面层的方法和装置，其中在第一流化床炉的第一阶段，形成从 其中氮已经扩散以形成氮化物或碳氮化物内部区域的金属衬底的表面和基本上没有孔隙率的外部白色层，处理在第一阶段中形成的衬底以防止形成或去除任何表面氧化物 在基板的表面上，在与第一阶段分开的第二阶段中，将如此处理的基板保持在在惰性气氛下操作并通过惰性气体或气体流动的流化床炉中，流化床中的基板 在卤化物气体和颗粒状金属或金属合金的存在下处理炉。

公开(公告)号：US20090297725A1

公开(公告)日：2009-12-03

申请号：US11989092

申请日：2006-07-20

申请人： Ray William Reynoldson

发明人： Ray William Reynoldson

IPC分类号： C23C16/452 ,  C23C16/44 ,  C23C16/442 ,  C23C16/54

CPC分类号： C23C8/80 ,  C23C10/02 ,  C23C12/00 ,  F27B15/02 ,  F27D99/0073 ,  F27D99/0075

摘要： The specification discloses a method and apparatus enabling the formation of a diffusion surface layer on a surface of a metal substrate, typically a ferrous based metal substrate, wherein in a first stage in a first fluidized bed furnace, a diffusion zone is formed extending inwardly from the surface of the metal substrate in which nitrogen has been diffused to form a nitride or carbo nitride inner zone and an outer white layer that is substantially free of porosity, treating the substrate formed in the first stage to prevent formation of or remove any surface oxide on the surface of the substrate, and in a second stage separate from the first stage, holding the thus treated substrate in a fluidized bed furnace operated under an inert atmosphere and fluidized by a flow of inert gas or gases, the substrate in the fluidized bed furnace being treated in the presence of a halide gas and a particulate metal or metal alloy.

摘要翻译： 该说明书公开了一种能够在金属基底（通常为铁基金属基底）的表面上形成扩散表面层的方法和装置，其中在第一流化床炉的第一阶段，形成从 其中氮已经扩散以形成氮化物或碳氮化物内部区域的金属衬底的表面和基本上没有孔隙率的外部白色层，处理在第一阶段中形成的衬底以防止形成或去除任何表面氧化物 在基板的表面上，在与第一阶段分开的第二阶段中，将如此处理的基板保持在在惰性气氛下操作并通过惰性气体或气体流动的流化床炉中，流化床中的基板 在卤化物气体和颗粒状金属或金属合金的存在下处理炉。