-
公开(公告)号：US08434430B2
公开(公告)日：2013-05-07
申请号：US12570823
申请日：2009-09-30
IPC分类号： F23C10/20
CPC分类号： F22B31/0023 , F22B31/0061 , F22B31/0084 , F22B31/0092 , F23C10/10 , F23C10/20 , F23C10/24 , F23C10/30
摘要： A circulating fluidized bed (CFB) boiler comprising a reaction chamber. A bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and contains an in-bed heat exchanger (IBHX) that occupies part of the reaction chamber floor. At least one non-mechanical valve, which includes an opening between the CFB and BFB and independently controlled fluidizing means located both upstream and downstream of the opening, is used to control the heat transfer to the IBHX by controlling the solids discharge from the BFB to the CFB. The elevation of the bottom of the opening is at or above the elevation of the fluidizing means. A flow control barrier may be located downstream of the opening.
摘要翻译： 包括反应室的循环流化床（CFB）锅炉。 鼓泡流化床（BFB）包含在反应室下部的外壳内，并包含占据反应室底部一部分的床内热交换器（IBHX）。 至少一个非机械阀，其包括在CFB和BFB之间的开口以及位于开口的上游和下游的独立控制的流化装置，用于控制通过控制从BFB到固体的固体排放到IBHX的传热 CFB。 开口底部的高度处于或高于流化装置的高度。 流动控制屏障可以位于开口的下游。
-
2.发明申请公开(公告)号：US20110073050A1
公开(公告)日：2011-03-31
申请号：US12571279
申请日：2009-09-30
CPC分类号： F23C10/14 , F23C2206/103 , F23L9/06
摘要： A circulating fluidized bed (CFB) boiler includes a reaction chamber, where a bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and contains an in-bed heat exchanger (IBHX) that occupies part of the reaction chamber floor. A plurality of in-bed secondary air nozzles comprise a plurality of tubes which are grouped together and run across the width of the BFB between the BFB enclosure wall and an outside wall of the CFB. The nozzles are positioned to prevent the deflection of solids falling onto the BFB from the CFB by the secondary air jets while avoiding a complicated structure that would interfere with gas and/or solids movement in the furnace. The nozzles' exit openings are flush, or almost flush, with the BFB enclosure wall.
摘要翻译： 循环流化床（CFB）锅炉包括反应室，其中鼓泡流化床（BFB）包含在反应室下部的外壳内，并含有一个床内热交换器（IBHX），其占据了 反应室地板。 多个床上二次空气喷嘴包括多个管，它们组合在一起并且在BFB外壳壁和CFB的外壁之间穿过BFB的宽度。 这些喷嘴被定位成防止通过二次空气射流从CFB落入到BFB中的固体的偏转，同时避免了会干扰炉中气体和/或固体运动的复杂结构。 喷嘴的出口与BFB外壳壁齐平或几乎齐平。
-
3.发明授权公开(公告)号：US08622029B2
公开(公告)日：2014-01-07
申请号：US12571279
申请日：2009-09-30
IPC分类号： F23C10/00
CPC分类号： F23C10/14 , F23C2206/103 , F23L9/06
摘要： A circulating fluidized bed (CFB) boiler includes a reaction chamber, where a bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and contains an in-bed heat exchanger (IBHX) that occupies part of the reaction chamber floor. A plurality of in-bed secondary air nozzles comprise a plurality of tubes which are grouped together and run across the width of the BFB between the BFB enclosure wall and an outside wall of the CFB. The nozzles are positioned to prevent the deflection of solids falling onto the BFB from the CFB by the secondary air jets while avoiding a complicated structure that would interfere with gas and/or solids movement in the furnace. The nozzles' exit openings are flush, or almost flush, with the BFB enclosure wall.
摘要翻译： 循环流化床（CFB）锅炉包括反应室，其中鼓泡流化床（BFB）包含在反应室下部的外壳内，并含有一个床内热交换器（IBHX），其占据了 反应室地板。 多个床上二次空气喷嘴包括多个管，它们组合在一起并且在BFB外壳壁和CFB的外壁之间穿过BFB的宽度。 这些喷嘴被定位成防止通过二次空气射流从CFB落入到BFB中的固体的偏转，同时避免了会干扰炉中气体和/或固体运动的复杂结构。 喷嘴的出口与BFB外壳壁齐平或几乎齐平。
-
公开(公告)号：US08561557B2
公开(公告)日：2013-10-22
申请号：US12571187
申请日：2009-09-30
IPC分类号： F23C10/20
CPC分类号： F23C10/20 , F23C2900/10007
摘要： A system for feeding a primary oxidant to an oxy-fired circulating fluidized bed (CFB) boiler. The system includes a plurality of bubble cap assemblies each comprising a stem and a bubble cap with at least one exit hole, each bubble cap connected via a stem to at least one windbox, the windbox containing at least one manifold. A plurality of pipes are provided, each pipe located within a bubble cap assembly with an open end located either at, above or below the exit holes of the bubble caps and an opposite end connected to the manifold located inside each windbox. Recycle gas is piped into the windbox, to the stem, and exiting from the exit holes located in the bubble cap into the CFB. Oxygen is piped into the manifold, through the pipes and exiting through the exit holes located in the bubble cap. The pipe may further contain means placed at its open end, to prevent accidental inlet of hot particles into the pipe, such as a debris shield placed above and proximate to the open end of the pipe or by having the open end oriented in a downward direction. An insulating gap may also be placed inside the bubble cap to reduce thermal conductance between the bubble cap outer surface that is exposed to hot bed material and the inner surface of the bubble cap, being in contact with oxygen.
摘要翻译： 一种用于将氧化剂送入氧化循环流化床（CFB）锅炉的系统。 该系统包括多个气泡盖组件，每个气泡盖组件包括一个杆和一个具有至少一个出口孔的气泡盖，每个泡罩通过阀杆连接至至少一个风箱，风箱包含至少一个歧管。 设置多个管道，每个管道位于气泡盖组件内，开口端位于气泡盖的出口孔的上方或下方，以及连接到位于每个风箱内的歧管的相对端。 回收气体被管道插入到风箱中，到管道中，并从位于气泡盖中的出口孔排出到CFB中。 氧气通过管道被输送到歧管中，并通过位于气泡盖中的出口孔排出。 管道还可以包括放置在其开口端的装置，以防止热颗粒进入管道的意外入口，例如放置在管的开口端上方和附近的碎屑屏蔽罩，或者使开口端朝向下方 。 绝缘间隙也可以放置在气泡盖内部，以减少暴露于热床材料的气泡盖外表面和与氧接触的气泡盖的内表面之间的热传导。
-
公开(公告)号：US20110073049A1
公开(公告)日：2011-03-31
申请号：US12570823
申请日：2009-09-30
CPC分类号： F22B31/0023 , F22B31/0061 , F22B31/0084 , F22B31/0092 , F23C10/10 , F23C10/20 , F23C10/24 , F23C10/30
摘要： A circulating fluidized bed (CFB) boiler comprising a reaction chamber. A bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and contains an in-bed heat exchanger (IBHX) that occupies part of the reaction chamber floor. At least one non-mechanical valve, which includes an opening between the CFB and BFB and independently controlled fluidizing means located both upstream and downstream of the opening, is used to control the heat transfer to the IBHX by controlling the solids discharge from the BFB to the CFB. The elevation of the bottom of the opening is at or above the elevation of the fluidizing means. A flow control barrier may be located downstream of the opening.
摘要翻译： 包括反应室的循环流化床（CFB）锅炉。 鼓泡流化床（BFB）包含在反应室下部的外壳内，并包含占据反应室底部一部分的床内热交换器（IBHX）。 至少一个非机械阀，其包括在CFB和BFB之间的开口以及位于开口的上游和下游的独立控制的流化装置，用于控制通过控制从BFB到固体的固体排放到IBHX的传热 CFB。 开口底部的高度处于或高于流化装置的高度。 流动控制屏障可以位于开口的下游。
-
公开(公告)号：US06312482B1
公开(公告)日：2001-11-06
申请号：US09114743
申请日：1998-07-13
IPC分类号： C10J320
CPC分类号： C10J3/506 , C10J3/485 , C10J3/526 , C10J3/84 , C10J2300/093 , C10J2300/0956 , C10J2300/0959 , C10J2300/1223 , C10J2300/1687 , C10K1/026
摘要： A combined, integral steam generator coal gasifier includes a vertically elongated, all welded, gas tight enclosure with a burner zone having a double pitch sloping furnace floor and a slag tap extending therethrough. Successive zones located above the burner zone are provided with appropriate tube materials for conveying synthesis gas produced by the coal gasification process. A multi-pass convection pass zone having upflow and downflow passes is located at an upper portion of the enclosure and contains a plurality of superheater (primary and secondary) as well as economizer heating surfaces which extract heat from the synthesis gas to produce steam. An ash remover is connected to the outlet of the convection pass zone to remove ash from the synthesis gas exiting from the convection pass zone. The slag tap located at the bottom of the burner zone communicates with a slag tank or a drag chain deasher for receiving and removing slag from the burner zone.
摘要翻译： 一个组合的整体式蒸汽发生器煤气化器包括一个垂直伸长的，全焊接的，气密的外壳，其燃烧器区域具有双倾斜倾斜的炉底和从其延伸穿过的炉渣。 位于燃烧器区域上方的连续区域设置有用于输送由煤气化过程产生的合成气的合适的管材料。 具有上流和下流通过的多通对流通道位于外壳的上部并且包含多个过热器（初级和次级）以及从合成气提取热量以产生蒸汽的节能器加热表面。 灰尘去除器连接到对流通过区的出口，以从从对流通过区域排出的合成气中除去灰分。 位于燃烧器区域底部的炉渣与渣槽或拖链脱渣器连通，用于从燃烧器区域接收和除去炉渣。
-
-
-
-
-
搜索结果
6 条记录 (耗时 0.018 秒)