具有陶瓷部件的粉末化固体燃料喷嘴

    公开(公告)号:CN1250902C

    公开(公告)日:2006-04-12

    申请号:CN02817253.1

    申请日:2002-04-03

    Abstract: 一种特别适合于与粉末化固体燃料燃烧炉中使用的那种燃烧系统的粉末化固体燃料喷嘴协同地结合使用的MRFC(最少回流火焰控制)固体燃料喷嘴头(12),它具有一个燃料空气流护罩(46)、一个安装在该燃料空气流护罩(46)内的主空气流护罩(48)、一个用来相对于燃料空气流护罩(46)支承主空气流护罩(48)的燃料空气流护罩支撑件(50)和一个按支承关系安装在主空气流护罩(48)内的气流分隔板(52)。本发明的MRFC固体燃料喷嘴头(12)可采用包括碳化硅、硅化的碳化硅、莫来石包层的碳化硅氧化铝复合材料和氧化铝氧化锆复合材料在内的陶瓷材料制成。

    在固体燃料燃烧器中或与该燃烧器有关的改进

    公开(公告)号:CN1106908A

    公开(公告)日:1995-08-16

    申请号:CN94117250.3

    申请日:1994-10-11

    Inventor: P·F·哈夫顿

    CPC classification number: F23D1/00 F23D2201/101

    Abstract: 一种固体细粒燃料/空气燃烧器,该燃烧器在矩形风道(16)中具有相对立的波纹件(20),在运行中,该波纹件形成喷嘴。分流板(30)同波纹件(20)一起限定使固体燃料和空气束流通过而流向燃烧室的通道。这样限定的通道提供并控制分开的混合物的束流,从而使火焰保持在风道(16)的出口,使生成的氮的氧化物(NOx)减少,并通过避免使燃烧的产物再循环进入风道,从而避免使炉灰在风道(16)中聚集。

    Combustor
    36.
    发明专利
    Combustor 审中-公开

    公开(公告)号:JP2012527594A

    公开(公告)日:2012-11-08

    申请号:JP2012506629

    申请日:2010-04-23

    CPC classification number: F23D1/04 F23D2201/101

    Abstract: A burner for introducing solid particulate fuel to a burning zone of a kiln such as a rotary kiln for manufacturing cement clinker or similar material includes a centrally located duct for conducting solid fuel to an inlet opening and at least one duct for conducting primary air to one or more annular nozzles surrounding the inlet opening of the centrally located duct. The centrally located duct for conducting solid fuel is arranged so that the direction of introduction of the fuel relative to the longitudinal axis of the burner and consequently the direction of introduction of the primary air may be adjusted continuously during operation of the burner.

    SOLID FUEL NOZZLE TIP ASSEMBLY
    37.
    发明申请
    SOLID FUEL NOZZLE TIP ASSEMBLY 审中-公开
    固体燃油喷嘴组件

    公开(公告)号:WO2011084395A3

    公开(公告)日:2011-11-17

    申请号:PCT/US2010060171

    申请日:2010-12-14

    CPC classification number: F23D1/00 F23D2201/101 F23D2201/20 F23D2211/00

    Abstract: A solid fuel nozzle tip for issuing a flow of mixed solid fuel and air into a boiler or furnace includes an outer nozzle body having an outer flow channel extending therethrough from an inlet to an outlet of the outer nozzle body. An inner nozzle body has an inner flow channel extending therethrough from an inlet to an outlet of the inner nozzle body. The inner nozzle body is mounted within the outer nozzle body with the inner flow channel inboard of and substantially aligned with the outer flow channel. The inner and outer nozzle bodies are joined together so as to accommodate movement relative to one another due to thermal expansion and contraction of the outer and inner nozzle bodies.

    Abstract translation: 用于将混合固体燃料和空气流引入锅炉或炉中的固体燃料喷嘴头包括外部喷嘴体,其具有从外部喷嘴体的入口到出口延伸穿过的外部流动通道。 内部喷嘴体具有从内部喷嘴体的入口到出口延伸穿过的内部流动通道。 内部喷嘴体安装在外部喷嘴体内,内部流动通道内侧并与外部流动通道基本对准。 内部和外部喷嘴体连接在一起,以便由于外部和外部喷嘴体的热膨胀和收缩而适应彼此的移动。

    PULVERIZED SOLID FUEL NOZZLE TIP WITH CERAMIC COMPONENT
    38.
    发明申请
    PULVERIZED SOLID FUEL NOZZLE TIP WITH CERAMIC COMPONENT 审中-公开
    具有陶瓷组件的固体燃料喷嘴喷嘴

    公开(公告)号:WO2003004935A1

    公开(公告)日:2003-01-16

    申请号:PCT/US2002/010449

    申请日:2002-04-03

    Abstract: A (MRFC) solid fuel nozzle tip (12) that is particularly suited to being cooperatively associated with a pulverized solid fuel nozzle (34) of a firing system of the type employed in a pulverized solid fuel-fired furnace (10). The MRFC solid fuel nozzle tip (12) includes fuel air shroud means (46), primary air shroud means (48) located within the fuel air shroud means (46), fuel air shroud support means (50) operative for supporting the primary air shroud means (48) relative to the fuel air shroud means (46), and splitter plate means (52) mounted in supported relation within the primary air shroud means (48). The MRFC solid fuel nozzle tip (12) may be comprised of ceramics including silicon nitride, siliconized silicon carbide, mullite bonded silicon carbide alumina composite, and alumina zirconia composites.

    Abstract translation: 一种(MRFC)固体燃料喷嘴尖端(12),其特别适于与粉碎的固体燃料燃烧炉(10)中使用的燃烧系统的粉碎固体燃料喷嘴(34)协作地相关联。 MRFC固体燃料喷嘴头(12)包括燃料空气罩(46),位于燃料空气罩(46)内的主空气罩装置(48),燃料空气罩支撑装置(50),用于支撑一次空气 护罩装置(48)相对于燃料空气护罩装置(46),以及分离板装置(52),其以支撑的方式安装在主空气罩装置(48)内。 MRFC固体燃料喷嘴头(12)可以由包括氮化硅,硅化碳化硅,莫来石粘合的碳化硅氧化铝复合材料和氧化铝氧化锆复合材料的陶瓷组成。

    IMPROVED NOZZLE TIP FOR PULVERIZED COAL BURNER
    39.
    发明申请
    IMPROVED NOZZLE TIP FOR PULVERIZED COAL BURNER 审中-公开
    改进的燃煤燃烧器的喷嘴提示

    公开(公告)号:WO1984000314A1

    公开(公告)日:1984-02-02

    申请号:PCT/US1982000940

    申请日:1982-07-12

    CPC classification number: F23D1/00 F23D2201/101

    Abstract: An improved nozzle tip (10) for a burner on a pulverized coal-fired furnace for receiving a stream of pulverized coal and air discharging from the coal delivery pipe (50) of the burner and directing the pulverized fuel and air stream into the furnace, is comprised of a base body (20), a replaceable highly abrasion resistant insert (30), and a replaceable highly temperature resistant end cap (40) which is readily attachable by mechanical means (28, 48) to the base body with the abrasion resistant insert disposed therein. The insert defines a highly abrasion resistant flow conduit through the nozzle tip from the discharge end of the base body to the receiving end of the end cap through which the pulverized fuel and air stream passes from the burner into the furnace.

    Abstract translation: 一种改进的喷嘴尖端(10),用于在粉煤燃烧炉上用于接收煤粉流的燃烧器和从燃烧器的煤输送管(50)排出的空气并将粉碎的燃料和空气流引导到炉中, 由基体(20),可更换的高耐磨性插入件(30)和可更换的耐高温端盖(40)组成,其可通过机械装置(28,48)容易地附着到基体上,磨损 布置在其中的耐压插入件。 插入件限定了高度耐磨的流动导管,其通过喷嘴尖端从基体的排出端延伸到端盖的接收端,粉碎的燃料和空气流通过该端口从燃烧器进入炉中。

    COMBUSTION APPARATUS
    40.
    发明申请
    COMBUSTION APPARATUS 审中-公开
    燃烧装置

    公开(公告)号:WO2011010160A1

    公开(公告)日:2011-01-27

    申请号:PCT/GB2010/051216

    申请日:2010-07-23

    Abstract: A burner for a combustion apparatus, a combustion apparatus comprising such burners, and a method of operation of the same are described. The burner comprises: a primary, fuel input conduit defining an inlet for a fuel supply and an outlet for supplying fuel to a combustion site; a secondary, combustion gas input conduit defining an inlet for a first gas supply and an outlet for supplying combustion gas to a combustion site; a first combustion gas supply means fluidly connected to an inlet of the combustion gas input conduit; and a second combustion gas supply means adapted to supply an oxygen rich gas directly to the combustion site generally at the outlet of the combustion gas input conduit. The second combustion gas supply means comprises at least one lance having an elongate portion extending along the burner in a lance elongate direction parallel to a burner centreline and an outlet portion adapted to outlet the oxygen rich gas in a direction at an angle to the lance elongate direction to control the point at which first and second gas streams intersect. The first gas is preferably recycled flue gas and the second is preferably substantially pure oxygen.

    Abstract translation: 描述了一种用于燃烧装置的燃烧器,包括这种燃烧器的燃烧装置及其操作方法。 该燃烧器包括:主燃料输入导管,其限定用于燃料供应的入口和用于向燃烧位置供应燃料的出口; 二次燃烧气体输入导管,其限定用于第一气体供应的入口和用于向燃烧位置供应燃烧气体的出口; 第一燃烧气体供应装置,其流体地连接到燃烧气体输入管道的入口; 以及第二燃烧气体供应装置,其适于通常在燃烧气体输入管道的出口处将富氧气体直接供应到燃烧部位。 第二燃烧气体供应装置包括至少一个喷枪,其具有沿着燃烧器延伸的细长部分,该细长部分沿着平行于燃烧器中心线的喷枪长度方向延伸,出口部分适于在与喷枪长度成一定角度的方向上排出富氧气体 方向来控制第一和第二气流相交的点。 第一气体优选是再循环烟道气,第二气体优选是基本上纯的氧气。

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