PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM
    1.
    发明申请
    PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM 审中-公开
    用于热处理含钛固体的方法和装置

    公开(公告)号:WO2005026397A3

    公开(公告)日:2005-07-21

    申请号:PCT/EP2004010276

    申请日:2004-09-15

    Abstract: This invention relates to a process and a plant for the heat treatment of solids contain­ing titanium. For this purpose, the fine-grained solids are heated to a temperature of 700 to 1000 °C in a reactor (4) with circulating fluidized bed and are partly discharged from the reactor (4) together with waste gases into a downstream separator (9). In the same, the solids are separated from the waste gases and are recirculated to the reactor (4) at least partly and/or phase by phase. Downstream of the reactor (4) and/or the separator (9) an injection cooler (13) is provided, in which the solids are cooled to below 250 °C by injecting a coolant. Downstream of the injection cooler (13) a fluidized-bed cooler (16) can be provided for the further cooling of the solids.

    Abstract translation: 本发明涉及用于含钛固体的热处理的方法和设备。 为此,将细颗粒固体在具有循环流化床的反应器(4)中加热至700至1000℃的温度,并与废气一起从反应器(4)部分排出至下游分离器(9 )。 同样,将固体与废气分离并且至少部分地和/或逐相地再循环至反应器(4)。 在反应器(4)和/或分离器(9)的下游提供注入冷却器(13),其中通过注入冷却剂将固体冷却到低于250℃。 注入冷却器(13)的下游可以设置流化床冷却器(16)以进一步冷却固体。

    METHOD AND APPARATUS FOR HEAT TREATMENT IN A FLUIDIZED BED
    2.
    发明申请
    METHOD AND APPARATUS FOR HEAT TREATMENT IN A FLUIDIZED BED 审中-公开
    流化床热处理方法及装置

    公开(公告)号:WO2004056465A1

    公开(公告)日:2004-07-08

    申请号:PCT/EP2003/013982

    申请日:2003-12-10

    Abstract: The present invention relates to a method for the heat treatment of fine-grained solids, in particular gypsum, in which the solids are heated to a temperature of 50 to 1000 °C in a fluidized bed reactor (1), and to a corresponding plant. To improve the energy utilization, it is proposed to introduce a first gas or gas mixture from below through a preferably central gas supply tube (3) into a mixing chamber (21) of the reactor (1), the gas supply tube (3) being at least partly surrounded by a stationary annular fluidized bed (2) which is fluidized by supplying fluidizing gas, and to adjust the gas velocities of the first gas or gas mixture as well as of the fluidizing gas for the annular fluidized bed (2) such that the particle Froude numbers in the gas supply tube (3) are between 1 and 100, in the annular fluidized bed (2) between 0.02 and 2 and in the mixing chamber (21) between 0.3 and 30.

    Abstract translation: 本发明涉及一种用于热处理细粒固体,特别是石膏的方法,其中将固体在流化床反应器(1)中加热至50至1000℃的温度,以及相应的设备 。 为了提高能量利用率,建议从下方通过优选的中心气体供给管(3)将第一气体或气体混合物引入反应器(1)的混合室(21),气体供给管(3) 至少部分地被固定的环形流化床(2)包围,所述静止环形流化床(2)通过供应流化气体而流化,并且调节第一气体或气体混合物以及用于环形流化床(2)的流化气体的气体速度, 使得在环形流化床(2)中0.02和2之间以及在混合室(21)中的0.3至30之间,气体供应管(3)中的微粒Froude数在1和100之间。

    PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM
    4.
    发明申请
    PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM 审中-公开
    含钛的固体的热处理工艺和设备

    公开(公告)号:WO2005026397A2

    公开(公告)日:2005-03-24

    申请号:PCT/EP2004/010276

    申请日:2004-09-15

    Abstract: This invention relates to a process and a plant for the heat treatment of solids contain­ing titanium. For this purpose, the fine-grained solids are heated to a temperature of 700 to 1000 °C in a reactor (4) with circulating fluidized bed and are partly discharged from the reactor (4) together with waste gases into a downstream separator (9). In the same, the solids are separated from the waste gases and are recirculated to the reactor (4) at least partly and/or phase by phase. Downstream of the reactor (4) and/or the separator (9) an injection cooler (13) is provided, in which the solids are cooled to below 250 °C by injecting a coolant. Downstream of the injection cooler (13) a fluidized-bed cooler (16) can be provided for the further cooling of the solids.

    Abstract translation: 本发明涉及一种用于热处理含钛固体的方法和设备。 为此,将细粒固体在具有循环流化床的反应器(4)中加热至700至1000℃的温度,并与废气一起部分地从反应器(4)排放到下游分离器(9) )。 在同样的情况下,固体与废气分离,并且至少部分地和/或逐相再循环到反应器(4)。 反应器(4)和/或分离器(9)的下游设置有注射冷却器(13),其中通过注入冷却剂将固体冷却至低于250℃。 注射冷却器(13)的下游可以设置流化床冷却器(16),用于进一步冷却固体。

    FLUIDIZED BED METHOD AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM
    5.
    发明申请
    FLUIDIZED BED METHOD AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM 审中-公开
    流化床方法和用于处理含钛的固体的热处理

    公开(公告)号:WO2004057040A1

    公开(公告)日:2004-07-08

    申请号:PCT/EP2003/013983

    申请日:2003-12-10

    Abstract: The present invention relates to a method and a plant for the heat treatment of solids containing titanium and possibly further metal oxides, in which fine-grained solids are heated to a temperature of 700 to 950 °C in a fluidized bed reactor (1). To improve the energy utilization, it is proposed to introduce a first gas or gas mixture from below through a gas supply tube (3) into a mixing chamber (7) of the reactor (1), the gas supply tube (3) being at least partly surrounded by a stationary annular fluidized bed (10) which is fluidized by supplying fluidizing gas. The gas velocities of the first gas or gas mixture as well as of the fluidizing gas for the annular fluidized bed (10) are adjusted such that the particle Froude numbers in the gas supply tube (3) are between 1 and 100, in the annular fluidized bed (10) between 0.02 and 2 and in the mixing chamber (7) between 0.3 and 30.

    Abstract translation: 本发明涉及用于热处理含钛和可能的其它金属氧化物的固体的方法和设备,其中细粒固体在流化床反应器(1)中被加热至700-950℃。 为了提高能量利用率,建议从下方通过气体供给管(3)将第一气体或气体混合物引入反应器(1)的混合室(7),气体供给管(3)处于 最少部分地被固定的环形流化床(10)包围,所述静止环形流化床通过供应流化气体而被流化。 调节第一气体或气体混合物以及用于环形流化床(10)的流化气体的气体速度,使得气体供应管(3)中的微粒弗劳德数在1和100之间,在环形 流化床(10)在0.02和2之间,并且在混合室(7)中在0.3和30之间。

    PROCESS FOR PRODUCING ALUMINIUM OXIDE FROM ALUMINIUM HYDROXIDE
    7.
    发明申请
    PROCESS FOR PRODUCING ALUMINIUM OXIDE FROM ALUMINIUM HYDROXIDE 审中-公开
    工艺制备氧化铝铝

    公开(公告)号:WO1997018165A1

    公开(公告)日:1997-05-22

    申请号:PCT/EP1996004764

    申请日:1996-11-02

    CPC classification number: C01F7/445

    Abstract: A process for producing water-free aluminium oxide from aluminium hydroxide in a circulating fluidised bed comprising a fluidised bed reactor (8), separator (6) and return flow line involves the following steps: the aluminium hydroxide is fed into the gas-side second stage of a two-stage suspension pre-heater (2) operated by the waste gases from the fluidised bed reactor (8) of the circulating fluidised bed and at least partially dewatered; dewatered aluminium hydroxide from the second stage of the suspension pre-heater (2) is fed into the gas-side first stage of a suspension pre-heater (5) operated by the waste gases from the fluidised bed reactor (8) of the circulating fluidised bed, further dewatered and then fed into the circulating fluidised bed which is operated by oxygen-containing fluidisation gas (10) indirectly heated in a subsequent cooling stage by the aluminium oxide produced and by oxygen-containing directly heated secondary gas (11) fed in at a higher level. The temperature in the circulating fluidised bed is set at between 850 and 1000 DEG C. The aluminium oxide removed from the circulating fluidised bed is mixed for at least two minutes with 10 to 25 wt.% of the partially dewatered aluminium hydroxide yielded by the solid-side first stage of the suspension pre-heater (2) and led past the circulating fluidised bed as a by-pass. The mixed material is then cooled in a multistage suspension cooler (15, 16, 17, 18, 19, 20), heating secondary gas (11), and then in the fluidised bed cooler (23), indirectly heating fluidisation gas (10).

    Abstract translation: 在工艺循环流化床用于从流化床反应器中生产选自氢氧化铝无水氧化铝(8),隔膜(6),并返回管道形成,其中,在所述流化床反应器的排出气体的气体侧的第二阶段中的氢氧化铝(8)的循环流化床的 进入操作的两个阶段的悬浮预热器(2)和至少部分地排出,从悬浮预热器(2)的第二阶段脱水氢氧化铝在流化床反应器的废气的气体侧第一阶段进入操作(8)的循环流化床悬浮预热器(5),并且进一步脱水并 然后在所生产的氧化铝间接加热的随后的冷却阶段供给循环流化床,与含氧流化气体(10)和直接加热,在更高级别的供给含氧 二次气体(11)被操作为在所述循环流化床的温度设定为850的范围内的值,以1000℃ 从循环流化床采取的氧化铝为10〜25重量%的离开悬浮预热器(2),部分脱水的固体侧第一阶段,向循环流化床作为旁路过去氢氧化物引导铝一段至少2分钟的。 混合后,将混合材料是首先在一个多级悬浮冷却器(15,16,17,18,19,20)由二次气体(11)和加热然后在流化床冷却器(23)与流化气体(10)的间接加热冷却。

    PROCESS AND PLANT FOR PRODUCING METAL OXIDE FROM METAL COMPOUNDS
    9.
    发明申请
    PROCESS AND PLANT FOR PRODUCING METAL OXIDE FROM METAL COMPOUNDS 审中-公开
    从金属化合物生产金属氧化物的工艺和设备

    公开(公告)号:WO2004056701A1

    公开(公告)日:2004-07-08

    申请号:PCT/EP2003/014213

    申请日:2003-12-13

    Abstract: The present invention relates to a process for producing metal oxide from metal com pounds, in particular metal hydroxide or metal carbonate, in which the metal compound is conveyed into a reactor (25) with fluidized bed, heated there to a temperature of 650 15 to 1150°C by combustion of fuel, and metal oxide is generated, as well as to a corre-sponding plant. To improve the utilization of energy, it is proposed to introduce a first gas or gas mixture from below through a gas supply tube (26) into a mixing chamber (20) of the reactor (25), the gas supply tube (26) being at least partly surrounded by a stationary annular fluidized bed (27) which is fluidized by supplying fluidizing gas, and 20 to adjust the gas velocities of the first gas or gas mixture and of the fluidizing gas for the annular fluidized bed (27) such that the Particle-Froude numbers in the gas supply tube (26) lie between 1 and 100, in the annular fluidized bed (27) between 0.02 and 2, and in the mixing chamber (20) between 0.3 and 30.

    Abstract translation: 本发明涉及一种由金属化合物,特别是金属氢氧化物或金属碳酸盐生产金属氧化物的方法,其中金属化合物被输送到具有流化床的反应器(25)中,加热到650-15℃的温度 1150℃燃烧燃烧,产生金属氧化物,以及相应的工厂。 为了提高能量的利用率,提出从下方将第一气体或气体混合物从气体供给管(26)引入到反应器(25)的混合室(20)中,气体供给管(26)为 至少部分地由通过供应流化气体流化的固定环形流化床(27)和20来调节第一气体或气体混合物和用于环形流化床(27)的流化气体的气体速度,使得 在环形流化床(27)为0.02和2之间,以及在混合室(20)中,0.3至30之间,气体供应管(26)中的粒子 - 弗劳德数位于1和100之间。

Patent Agency Ranking