Method for operating a regenerative heater
    11.
    发明授权
    Method for operating a regenerative heater 有权
    操作蓄热式加热器的方法

    公开(公告)号:US08807994B2

    公开(公告)日:2014-08-19

    申请号:US13320789

    申请日:2010-05-11

    申请人: Jean-Paul Simoes

    发明人: Jean-Paul Simoes

    IPC分类号: F27D17/00

    摘要: A method for operating a regenerative heater including a first chamber and a second chamber, the first chamber having a burner arranged therein, the second chamber having heat storage means; the method including: a heating cycle where fuel and oxidizing gas are fed to the burner of the first chamber and allowed to burn and where hot flue gasses are led through the second chamber to heat the heat storage means; and a blowing cycle where a process gas is fed through the second chamber to pick up heat from the heat storage means where the heating cycle includes the following steps: feeding a first stream of fuel to the burner of the regenerative heater; feeding a second stream of fuel to a pre-combustion chamber; feeding oxygen to the pre-combustion chamber; allowing the second stream of fuel and the oxygen to interact so as to form oxidizing gas; feeding the oxidizing gas to the burner of the regenerative heater, where, at the end of the heating cycle, the supply of oxygen to the pre-combustion chamber is discontinued, while further feeding the second stream of fuel to the pre-combustion chamber and further feeding the first stream of fuel to the burner.

    摘要翻译: 一种用于操作包括第一室和第二室的再生式加热器的方法,所述第一室具有布置在其中的燃烧器,所述第二室具有储热装置; 所述方法包括:加热循环,其中燃料和氧化气体被供给到所述第一室的燃烧器并被允许燃烧,并且所述热烟道气被引导通过所述第二室以加热所述蓄热装置; 以及吹送循环,其中处理气体通过第二室进料以从储热装置吸收热量,其中加热循环包括以下步骤:将第一燃料流供给到再生加热器的燃烧器; 将第二燃料流输送到预燃烧室; 将氧气供给到预燃烧室; 允许第二燃料流和氧气相互作用以形成氧化气体; 将氧化气体供给到再生加热器的燃烧器,其中在加热循环结束时停止向预燃烧室供应氧气,同时进一步将第二燃料流供给到预燃烧室,以及 进一步将第一燃料流供给燃烧器。

    Method for feeding hot gas to a shaft furnace
    12.
    发明授权
    Method for feeding hot gas to a shaft furnace 有权
    将热气送入立式炉的方法

    公开(公告)号:US08550811B2

    公开(公告)日:2013-10-08

    申请号:US13257116

    申请日:2010-03-15

    IPC分类号: F23N1/02

    摘要: The present invention proposes a method for feeding hot gas to a shaft furnace (12), wherein the method comprises feeding a first portion (32) of a first gas flow (24) to a mixing chamber (36) and feeding a second portion (34) of the first gas flow (24) into said shaft furnace. The method further comprises feeding a second gas flow (28) to the mixing chamber (36), allowing the first portion (32) of the first gas flow (24) to mix with the second gas flow (28) in the mixing chamber (36), thereby forming a third gas flow (38), and feeding the third gas flow (38) to the shaft furnace (12). The first gas flow (24) has a first volumetric fluid flow rate (V1), a first temperature (T1) and a first pressure (p1); the second gas flow (28) has a second volumetric fluid flow rate (V2), a second temperature (T2) and a second pressure (p2); and the third gas flow (38) has a third volumetric fluid flow rate (V3), a third temperature (T3) and a third pressure (p3). According to an important aspect of the present invention, the first temperature (T1) is higher than the second temperature (T2) and the first pressure (p1) is lower than the second pressure (p2) and the third temperature (T3) is regulated by controlling the second pressure (p2).

    摘要翻译: 本发明提出了一种向竖炉(12)供给热气体的方法,其中所述方法包括将第一气流(24)的第一部分(32)输送到混合室(36)并将第二部分 34)进入所述竖炉中。 该方法还包括将第二气流(28)输送到混合室(36),允许第一气流(24)的第一部分(32)与混合室中的第二气流(28)混合 36),从而形成第三气流(38),并将第三气流(38)输送到竖炉(12)。 第一气流(24)具有第一体积流体流速(V1),第一温度(T1)和第一压力(p1); 第二气流(28)具有第二体积流体流速(V2),第二温度(T2)和第二压力(p2); 并且第三气流(38)具有第三体积流体流速(V3),第三温度(T3)和第三压力(p3)。 根据本发明的重要方面,第一温度(T1)高于第二温度(T2),第一压力(p1)低于第二压力(p2),第三温度(T3)被调节 通过控制第二压力(p2)。

    Method for operating a blast furnace and blast furnace installation
    13.
    发明授权
    Method for operating a blast furnace and blast furnace installation 有权
    高炉和高炉安装操作方法

    公开(公告)号:US08545597B2

    公开(公告)日:2013-10-01

    申请号:US13126486

    申请日:2009-10-30

    IPC分类号: C21B7/22 C21C5/40

    摘要: A method for operating a blast furnace and a corresponding blast furnace, the method including recovering top gas from the blast furnace, submitting at least a portion of the top gas to a recycling process, and feeding the recycled top gas back into the blast furnace, where the recycling process includes feeding the recovered top gas to a reformer unit, feeding volatile carbon containing material to the reformer unit, proceeding to flash gasification of the volatile carbon containing material in the reformer unit, at a temperature between 1100 and 1300° C., and thereby producing devolatized carbonaceous material and synthesis gas, and allowing the devolatized carbonaceous material and synthesis gas to react with the recovered top gas.

    摘要翻译: 一种用于操作高炉和相应的高炉的方法,所述方法包括从高炉中回收顶部气体,将顶部气体的至少一部分提供给循环过程,并将回收的顶部气体送回高炉, 其中回收过程包括将回收的顶部气体进料到重整单元,将含挥发性碳的材料供给重整单元,在1100-1300℃的温度下进行重整单元中含挥发性碳的材料的闪蒸。 从而产生脱挥发碳的碳质材料和合成气,并且使脱挥发的碳质材料和合成气与回收的顶部气体反应。

    Method for feeding a burden to a blast furnace
    14.
    发明授权
    Method for feeding a burden to a blast furnace 有权
    向高炉供给负担的方法

    公开(公告)号:US08512439B2

    公开(公告)日:2013-08-20

    申请号:US13266300

    申请日:2010-04-22

    摘要: The present invention proposes a method for feeding a burden to a blast furnace (32), wherein the method comprises providing a charging device (38) having at least one material hopper (40), the material hopper (40) comprising a hopper chamber (42), a material inlet aperture for feeding a burden into the hopper chamber (40), and a material discharge aperture for feeding a burden from the hopper chamber (40) to the blast furnace (32); the material inlet aperture having an associated inlet seal valve 44) for opening and closing the material inlet aperture and the material discharge aperture having an associated material discharge valve (46) for opening and closing the material discharge aperture. The method further comprises opening the material inlet aperture and closing the material discharge aperture; feeding a burden into the hopper chamber (40) through the material inlet aperture; closing the inlet seal valve (44); pressurizing the hopper chamber (40) by feeding pressurizing gas into the hopper chamber (40); and opening the material discharge valve (46) and feeding the burden from the hopper chamber (40) to the blast furnace (32). According to an important aspect of the invention, the method comprises feeding a predetermined amount of pressurized flushing gas through the hopper chamber (42) before pressurizing the hopper chamber (42), wherein the flushing gas comprises at least 75% carbon dioxide.

    摘要翻译: 本发明提出了一种向高炉(32)供料的方法,其特征在于,该方法包括提供具有至少一个料斗(40)的装料装置(38),该料斗(40)包括料斗箱 42),用于将料斗供给料斗室(40)的材料入口孔和用于将料斗室(40)的负担供给到高炉(32)的材料排出孔; 材料入口孔具有相关联的入口密封阀44),用于打开和关闭材料入口孔,并且材料排出孔具有用于打开和关闭材料排出孔的相关联的材料排出阀(46)。 该方法还包括打开材料入口孔并关闭材料排出孔; 通过材料入口孔将负担供给到料斗室(40)中; 关闭入口密封阀(44); 通过将加压气体供给到料斗室(40)来对料斗室(40)进行加压; 并打开材料排出阀(46)并将料斗从料斗室(40)送入高炉(32)。 根据本发明的一个重要方面,该方法包括在对料斗室(42)加压之前,通过料斗室(42)进料预定量的加压冲洗气体,其中冲洗气体包含至少75%的二氧化碳。

    DEVICE FOR REGULATING THE TEMPERATURE OF A GAS IN A HOT GAS MAIN
    15.
    发明申请
    DEVICE FOR REGULATING THE TEMPERATURE OF A GAS IN A HOT GAS MAIN 有权
    用于调节气体主要气体温度的装置

    公开(公告)号:US20120111245A1

    公开(公告)日:2012-05-10

    申请号:US13320623

    申请日:2010-05-18

    IPC分类号: F23K5/00

    摘要: The present invention proposes a device (10) for regulating the temperature of a gas in a hot gas main for feeding hot gas to a blast furnace. Such a device (10) comprises a mixing pot (14) with a first mixing chamber (16) and a second mixing chamber (18), the first and second mixing chambers (16, 18) being in fluid communication with each other by means of a Venturi-type restriction (20). The first mixing chamber (16) is provided with a first inlet port (22) for feeding hot gas into the first mixing chamber (16), a second inlet port (26) for feeding cold gas into the first mixing chamber (16) and a third inlet port (56) for feeding cold gas into the second mixing chamber (18). The first mixing chamber (16) is further provided with a first outlet port (42) for feeding a first stream of mixed gas from the first mixing chamber (16) to a first gas distribution system (46), while the second mixing chamber (18) is provided with a second outlet port (60) for feeding a second stream of mixed gas from the second mixing chamber (18) to a second gas distribution system (64). The first stream of mixed gas has a temperature different from a temperature of the second stream of mixed gas.

    摘要翻译: 本发明提出了一种用于调节用于向高炉供给热气体的热气体主体中的气体的温度的装置(10)。 这种装置(10)包括具有第一混合室(16)和第二混合室(18)的混合罐(14),第一和第二混合室(16,18)通过装置彼此流体连通 的文丘里型限制(20)。 第一混合室(16)设置有用于将热气体送入第一混合室(16)的第一入口(22),用于将冷气送入第一混合室(16)的第二入口(26)和 用于将冷气送入第二混合室(18)的第三入口(56)。 第一混合室(16)还设置有第一出口(42),用于将来自第一混合室(16)的第一混合气体流供给到第一气体分配系统(46),而第二混合室 18)设置有用于将来自第二混合室(18)的第二混合气体流供给到第二气体分配系统(64)的第二出口(60)。 第一混合气体流具有与第二混合气体流的温度不同的温度。

    Tuyere stock arrangement of a blast furnace
    17.
    发明授权
    Tuyere stock arrangement of a blast furnace 有权
    Tuyere库存排列高炉

    公开(公告)号:US08980165B2

    公开(公告)日:2015-03-17

    申请号:US13698876

    申请日:2011-05-23

    摘要: Tuyere stock arrangement of a blast furnace includes a tuyere body configured for installation in a shaft furnace wall. The tuyere body includes a front face facing an interior of the shaft furnace and an opposite rear face and a tuyere channel extending between the rear and front faces (24). The stock arrangement includes a blowpipe between the rear face and a hot blast air supply system, the blowpipe having a front portion connecting to the tuyere body and an opposite rear portion connecting to the hot blast air supply system. A fuel injection lance is arranged through the tuyere body and feeds fuel into the shaft furnace. A gas injection lance feeds an oxidizing gas to the shaft furnace and is arranged in the rear portion of the blowpipe to feed oxidizing gas into a central portion of a stream of hot blast air fed through the blowpipe.

    摘要翻译: 高炉的Tuyere储备布置包括构造成安装在竖炉炉壁中的风口体。 风口体包括面向竖炉内部的前表面和相对的后表面和在后表面和前表面之间延伸的风口。 储存装置包括在后表面和热鼓风供应系统之间的吹管,该吹管具有连接到风口体的前部和连接到热风送风系统的相对的后部。 燃料喷枪通过风口体布置,并将燃料送入竖炉。 喷射喷枪将氧化气体供给竖炉,并且布置在吹管的后部,以将氧化气体进料到通过吹管供给的热风空气流的中心部分。

    Bustle pipe arrangement
    19.
    发明授权
    Bustle pipe arrangement 有权
    鲈鱼管排列

    公开(公告)号:US08808616B2

    公开(公告)日:2014-08-19

    申请号:US13143216

    申请日:2009-12-16

    摘要: There is provided a bustle pipe arrangement of a shaft furnace that comprises a circumferential bustle pipe arranged along the outer casing of the shaft furnace, the bustle pipe being arranged at a certain distance from the outer casing. The arrangement further comprises a plurality of first arms connecting the bustle pipe to the outer casing of the shaft furnace on a first level; and a plurality of second arms connecting the bustle pipe to the outer casing of the shaft furnace on a second level, the first level being different from the second level. First and second blow channels are respectively arranged through the first and second arms for fluidly connecting the bustle pipe to the interior of the shaft furnace.

    摘要翻译: 提供了一种竖炉的傍排管,其包括沿竖炉的外壳布置的圆周le le,,le pipe,。。。。。。。。。。。。。。。。。。。 所述装置还包括多个第一臂,所述第一臂在第一水平面上将所述膛管与所述竖炉的外壳连接; 以及多个第二臂,其将所述膛管与所述竖炉的外壳连接在第二水平面上,所述第一水平与所述第二水平不同。 第一和第二吹气通道分别布置在第一和第二臂上,用于将膛管流体连接到竖炉的内部。

    METHOD FOR FEEDING A BURDEN TO A BLAST FURNACE
    20.
    发明申请
    METHOD FOR FEEDING A BURDEN TO A BLAST FURNACE 有权
    一种将BURDEN送入BLAST FURNACE的方法

    公开(公告)号:US20120043705A1

    公开(公告)日:2012-02-23

    申请号:US13266288

    申请日:2010-04-21

    IPC分类号: C21B7/00 C21B7/22 F27D3/00

    摘要: The present invention proposes a method for feeding a burden to a blast furnace (32), wherein the method comprises providing a charging device (38) having at least one material hopper (40), the material hopper (40) comprising a hopper chamber (42), a material inlet aperture for feeding a burden into the hopper chamber (40), and a material discharge aperture for feeding a burden from the hopper chamber (40) to the blast furnace (32); the material inlet aperture having an associated inlet seal valve 44) for opening and closing the material inlet aperture and the material discharge aperture having an associated material discharge valve (46) for opening and closing the material discharge aperture. The method further comprises opening the material inlet aperture and closing the material discharge aperture; feeding a burden into the hopper chamber (40) through the material inlet aperture; closing the inlet seal valve (44); pressurizing the hopper chamber (40) by feeding pressurizing gas into the hopper chamber (40); and opening the material discharge valve (46) and feeding the burden from the hopper chamber (40) to the blast furnace (32). According to an important aspect of the invention, the method further comprises subjecting at least a portion of a top gas recovered from the blast furnace (32) to a recycling process wherein carbon dioxide is removed from the recovered top gas; and feeding at least a portion of the recovered carbon dioxide as pressurizing gas into the hopper chamber (40) for pressurizing the hopper chamber (40).

    摘要翻译: 本发明提出了一种向高炉(32)供料的方法,其特征在于,该方法包括提供具有至少一个料斗(40)的装料装置(38),该料斗(40)包括料斗箱 42),用于将料斗供给料斗室(40)的材料入口孔和用于将料斗室(40)的负担供给到高炉(32)的材料排出孔; 材料入口孔具有相关联的入口密封阀44),用于打开和关闭材料入口孔,并且材料排出孔具有用于打开和关闭材料排出孔的相关联的材料排出阀(46)。 该方法还包括打开材料入口孔并关闭材料排出孔; 通过材料入口孔将负担供给到料斗室(40)中; 关闭入口密封阀(44); 通过将加压气体供给到料斗室(40)来对料斗室(40)进行加压; 并打开材料排出阀(46)并将料斗从料斗室(40)送入高炉(32)。 根据本发明的一个重要方面,所述方法还包括使从高炉(32)回收的顶部气体的至少一部分经历从回收的顶部气体中除去二氧化碳的再循环过程; 并且将至少一部分回收的二氧化碳作为加压气体进料到料斗室(40)中,以对料斗室(40)加压。