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    • 1. 发明申请
    • BURNER WITH MEANS FOR CHANGING THE DIRECTION OF FUEL FLOW
    • 燃烧器用于改变燃油流动方向
    • WO2008065554A1
    • 2008-06-05
    • PCT/IB2007/054281
    • 2007-10-22
    • FLSMIDTH A/SOHLSEN, IbSKAARUP JENSEN, LarsHANSEN, Jens Peter
    • OHLSEN, IbSKAARUP JENSEN, LarsHANSEN, Jens Peter
    • F23D17/00F23C7/00
    • F23D17/00F23D14/22F23D2900/14481F27B7/34F27D99/0033
    • A description is given of a burner for introducing solid, liquid or gaseous fuel to a burning zone of a kiln, such as a rotary kiln for manufacturing cement clinker or the like, said burner comprising a number of substantially concentric ducts (1, 2, 3), being parallel to the main axis B3 of the burner, for conveying fuel and primary air to nozzle openings, as well as a number of additional ducts (4, 6, 7, 8) for conveying solid, fluid or gaseous fuel to separate nozzle openings, said additional ducts being located in the central part (10) of the burner. The burner is characterized in that it comprises means (4a, 5) for changing the flow direction of the fuel which is introduced via at least one of the additional ducts in the central part (10) of the burner, relative to the main axis B3 of the burner, at least in an ascending direction. This will allow the individual fuel particles to travel in a curved, approximately ballistic path, thereby extending the time they can be maintained in the flame. Another advantage of this configuration of the burner is that the large particles will attain the highest, and hence the longest, path, since the path of the smaller particles will to a greater extent than is the case for the large ones be deflected by the primary air which is injected via the outer annular primary air nozzle which is parallel to the main axis of the burner. Hence it will be possible to achieve a more uniform combustion of all particles, regardless of their size. It will be possible to change the path of the particles by altering the velocity or direction of injection.
    • 说明了将固体,液体或气态燃料引入窑的燃烧区域的燃烧器,例如用于制造水泥熟料等的回转窑,所述燃烧器包括多个基本上同心的管道(1,2, 3),平行于燃烧器的主轴线B3,用于将燃料和一次空气输送到喷嘴开口,以及用于将固体,流体或气体燃料输送到多个附加管道(4,6,7,8) 单独的喷嘴开口,所述另外的管道位于燃烧器的中心部分(10)中。 燃烧器的特征在于,其包括用于改变燃料的流动方向的装置(4a,5),其通过燃烧器的中心部分(10)中的至少一个附加管道相对于主轴线B3引入 至少沿上升方向。 这将允许单个燃料颗粒在弯曲的大致弹道中行进,从而延长它们可以保持在火焰中的时间。 燃烧器的这种配置的另一个优点是,大的颗粒将达到最高的,并且因此是最长的路径,因为较小的颗粒的路径会比大的颗粒的路径偏移大的程度 通过外部环形一次空气喷嘴喷射空气,其平行于燃烧器的主轴线。 因此,无论其尺寸如何,都可以实现所有颗粒的更均匀的燃烧。 通过改变注射速度或方向可以改变粒子的路径。
    • 2. 发明申请
    • DEMOUNTABLE BURNER
    • 不可燃烧的燃烧器
    • WO2008065555A1
    • 2008-06-05
    • PCT/IB2007/054282
    • 2007-10-22
    • FLSMIDTH A/SOHLSEN, IbSKAARUP JENSEN, LarsJEPSEN, ErikRÖDTNES JÖRGENSEN, Ejvind
    • OHLSEN, IbSKAARUP JENSEN, LarsJEPSEN, ErikRÖDTNES JÖRGENSEN, Ejvind
    • F23D14/20F23D11/36F23D14/58F23D17/00F23D5/12
    • F23D17/00F23D14/22F23D2900/00017
    • A description is given of a burner for introducing solid, liquid or gaseous fuel into the burning zone of a kiln, such as rotary kiln for manufacturing cement clinker or "similar materials, said burner comprising a burner pipe (1) which encircles a number of ducts for conveying fuel and combustion air through the burner. The burner is characterized in that the burner pipe (1) is made up of modules (1a, 1b) which are fixed to another by fixing means (9) which will allow non¬ destructive assembly and disassembly of the modules. Hereby is obtained a burner in which it will be possible in a simple and non-destructive manner to disassembly the burner pipe (1) in modules (1a, 1b) in direction from the free end of the burner (7) or the burner tip. As a result, the outermost module of the burner pipe (1) which constitutes the burner tip can easily be disassembled for repair or replacement and/or for repair or replacement of components incorporated in the burner tip so that maintenance and upgrading of the burner to the latest technology can be carried out in the simple and non-destructive manner.
    • 描述了将固体,液体或气体燃料引入窑的燃烧区域的燃烧器,例如用于制造水泥熟料的回转窑或“类似的材料,所述燃烧器包括燃烧器管(1),其包围多个 用于通过燃烧器输送燃料和燃烧空气的管道,其特征在于,燃烧器管(1)由通过固定装置(9)固定到另一个的模块(1a,1b)组成,这将允许非破坏性 组装和拆卸模块,从而得到一种燃烧器,其中可以以简单且无损的方式将模块(1a,1b)中的燃烧器管(1)从燃烧器的自由端的方向拆卸 (7)或燃烧器尖端,结果,构成燃烧器尖端的燃烧器管(1)的最外面的模块可以容易地拆卸以进行修理或更换和/或修理或更换燃烧器尖端内的部件,以便 那个维护和upg 燃烧器的最新技术可以以简单无损的方式进行。
    • 3. 发明申请
    • METHOD AND PLANT FOR MANUFACTURING CEMENT CLINKER
    • 制造水泥夹克的方法和设备
    • WO2004031092A1
    • 2004-04-15
    • PCT/IB2003/003171
    • 2003-07-11
    • F.L. SMIDTH A/SSKAARUP JENSEN, LarsHANSEN, Jens, Peter
    • SKAARUP JENSEN, LarsHANSEN, Jens, Peter
    • C04B7/43
    • C04B7/365F23L15/04F27B7/20F27B7/2025Y02E20/348
    • Described is a method for manufacturing cement clinker by which method cement raw meal is preheated and burned in a plant comprising a cyclone preheater (1) and a kiln (5). The method is peculiar in that that at least a portion of the raw meal is extracted from the cyclone preheater (1), that this raw meal is introduced into a separate unit (21) in which it is given a retention time under oxidating conditions provided by means of a gas stream for forming SO2 and for expelling organic carbon, that the formed SO2 and the expelled organic carbon are subsequently discharged from the separate unit (21) entrained in the gas stream for further treatment in a subsequent process stage, and that the raw meal is reintroduced into the cyclone preheater (1).Hereby is obtained an effective reduction of the VOC, CO as well as the SO2 emission without necessitating utilization of additional energy for heating. By giving the extracted and partially preheated raw meal a retention time under oxidating conditions separate from the cyclone preheater it is obtained that sulphide will oxidate into SO2 and that organic carbon is expelled from the raw meal, so that the thus formed SO2 and the thus expelled organic carbon can be entrained in a separate, relatively small gas stream and subjected to subsequent treatment in the optimum manner.
    • 描述了一种用于制造水泥熟料的方法,通过该方法将水泥生料在包括旋风预热器(1)和窑(5)的设备中预热和燃烧。 该方法的特征在于,从旋风预热器(1)中提取至少一部分生料,将该生料加入分离的单元(21)中,其中在提供的氧化条件下给予其保留时间 通过用于形成SO 2和排出有机碳的气流,形成的SO 2和排出的有机碳随后从夹带在气流中的分离单元(21)排出,以便在后续处理阶段进一步处理,并且 将生料再次引入旋风预热器(1),从而有效减少了VOC,CO以及SO2排放,而不需要额外的加热用量。 通过在与旋风预热器分离的氧化条件下提供和部分预热的生料保留时间,得到硫化物将氧化成SO 2,并且有机碳从生料中排出,从而形成的SO 2并因此被排出 有机碳可以夹带在单独的相对小的气流中,并以最佳方式进行后续处理。
    • 4. 发明申请
    • METHOD AND PLANT FOR PREHEATING PARTICULATE OR PULVERULENT MATERIAL
    • 预处理颗粒或粉末材料的方法和设备
    • WO2005042429A1
    • 2005-05-12
    • PCT/IB2004/002843
    • 2004-08-30
    • F.L. SMIDTH A/SSKAARUP JENSEN, LarsHANSEN, Jens, Peter
    • SKAARUP JENSEN, LarsHANSEN, Jens, Peter
    • C04B7/43
    • C04B7/364C04B7/365C04B7/43F27B7/2025Y02P40/121
    • Described is a method as well as a plant for preheating particulate or pulverulent material such as cement raw meal or similar material in a cyclone preheater (1), comprising at least two cyclone stages, each comprising a riser duct (2a, 2b, 2c, 2d) and a cyclone (1a, 1b, 1c, 1d). The method is peculiar in that a portion of the material which is fed to at least one cyclone stage is introduced to the first part of the riser duct, viewed in the direction of travel of the exhaust gases, and is heated from a temperature of maximum 450 °C to a temperature of at least 550 °C, and in that the remaining material which is fed to the same cyclone stage is introduced into the last part of the said riser duct. As a result, there will be a reduction in the amount of SO 2 which is discharged from the cement plant preheater as emission, without a simultaneous increase in energy consumption.
    • 描述了一种方法以及用于在旋风预热器(1)中预热颗粒或粉状材料如水泥生料或类似材料的设备,其包括至少两个旋风分离器,每个包括提升管(2a,2b,2c, 2d)和旋流器(1a,1b,1c,1d)。 该方法是特别的,因为从排气的行进方向看,进料到至少一个旋风分离器的材料的一部分被引入到提升管的第一部分,并从最大温度加热 450℃至至少550℃的温度,并且将供给到相同旋风分级的剩余材料引入所述提升管的最后部分。 结果,将从水泥厂预热器排出的SO 2量减少,而不会同时增加能量消耗。
    • 8. 发明公开
    • BURNER WITH MEANS FOR CHANGING THE DIRECTION OF FUEL FLOW
    • 燃烧器设备,用于改变燃料流动的方向
    • EP2087285A1
    • 2009-08-12
    • EP07826814.1
    • 2007-10-22
    • FLSmidth A/S
    • OHLSEN, IbSKAARUP JENSEN, LarsHANSEN, Jens Peter
    • F23D17/00F23C7/00
    • F23D17/00F23D14/22F23D2900/14481F27B7/34F27D99/0033
    • A description is given of a burner for introducing solid, liquid or gaseous fuel to a burning zone of a kiln, such as a rotary kiln for manufacturing cement clinker or the like, said burner comprising a number of substantially concentric ducts (1, 2, 3), being parallel to the main axis B3 of the burner, for conveying fuel and primary air to nozzle openings, as well as a number of additional ducts (4, 6, 7, 8) for conveying solid, fluid or gaseous fuel to separate nozzle openings, said additional ducts being located in the central part (10) of the burner. The burner is characterized in that it comprises means (4a, 5) for changing the flow direction of the fuel which is introduced via at least one of the additional ducts in the central part (10) of the burner, relative to the main axis B3 of the burner, at least in an ascending direction. This will allow the individual fuel particles to travel in a curved, approximately ballistic path, thereby extending the time they can be maintained in the flame. Another advantage of this configuration of the burner is that the large particles will attain the highest, and hence the longest, path, since the path of the smaller particles will to a greater extent than is the case for the large ones be deflected by the primary air which is injected via the outer annular primary air nozzle which is parallel to the main axis of the burner. Hence it will be possible to achieve a more uniform combustion of all particles, regardless of their size. It will be possible to change the path of the particles by altering the velocity or direction of injection.