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    • 21. 发明申请
    • ROLLER PRESS
    • 滚筒式压力机
    • WO1994023840A1
    • 1994-10-27
    • PCT/EP1994001070
    • 1994-04-07
    • F.L. SMIDTH & CO. A/SANDERSEN, Knud, Toni
    • F.L. SMIDTH & CO. A/S
    • B02C04/32
    • B02C4/32
    • A roller press (1; 11) for grinding of granular material and comprising two or more rollers (3, 5; 13, 14, 15) alternately rotating in opposite directions, of which at least one is displaceable in a guideway (7; 16, 17) and where only some of the rollers (5; 14) are connected to a driving means. According to the invention the guideway for each of the displaceable rollers is provided so that it is substantially parallel to the resultant force on that roller. As a result, virtually all of the resultant force acting on the displaceable roller will be acting substantially in the direction of the guideway, thereby substantially eliminating the reaction force at right angles to the guideway.
    • 一种用于研磨颗粒材料并包括两个或更多个沿相反方向交替旋转的辊(3,5; 13,14,15)的辊压机(1; 11),其中至少一个可在导轨(7; 16) ,17),并且其中只有一些辊(5; 14)连接到驱动装置。 根据本发明,每个可移动辊的导轨被设置成使其基本上平行于该辊上的合力。 结果,作用在可位移辊上的几乎所有的合力将基本上在导轨的方向上起作用,从而基本上消除了与导轨成直角的反作用力。
    • 24. 发明申请
    • A GRANULATING METHOD
    • 一种造粒方法
    • WO1989012497A1
    • 1989-12-28
    • PCT/DK1989000150
    • 1989-06-19
    • F.L. SMIDTH & CO. A/SLIP, Peter
    • F.L. SMIDTH & CO. A/S
    • B01J02/00
    • B01J2/10B01J2/12
    • A method of granulating material, such as lime powder or the like, wherein the material is subjected to mechanical working in a container. To obtain an improved granulate material, use is made of a working container with a horizontal or inclined axis of rotation about which the container and/or mixing means contained therein are rotatable. The container contains loosely situated working bodies, and the material is added with or is given such a degree of moisture that after treatment for some time in the container it sticks to the working bodies and peels off after a certain additional treatment period and is discharged from the container through a grate.
    • 造粒材料如石灰粉末等的方法,其中材料在容器中进行机械加工。 为了获得改进的颗粒材料,使用具有水平或倾斜旋转轴线的工作容器,容器和/或混合装置容纳在其中可旋转。 该容器包含松散的工作体,并且该材料被加入或具有一定程度的水分,使得在容器中经过一段时间后,其粘附到工作体上并在一定的额外处理期后剥离 容器通过格栅。
    • 25. 发明申请
    • APPARATUS FOR EFFECTING HEAT EXCHANGE BETWEEN A GAS AND A FINE PARTICULATE MATERIAL
    • 用于对气体和细颗粒材料之间的热交换进行影响的装置
    • WO1998004879A1
    • 1998-02-05
    • PCT/EP1997003512
    • 1997-07-03
    • F.L. SMIDTH & CO. A/SFONS, Mogens, Juhl
    • F.L. SMIDTH & CO. A/S
    • F28C03/14
    • F28F13/06C04B7/432F26B17/107F26B17/1441F26B17/24F28C3/14
    • A device (1) for exchange of heat between a gas and a fine-grained material, such as cement raw meal, comprising a vertical, rotationally symmetrical shaft (11) which is provided with gas inlets (3) at its lower end, a central gas outlet (5) at its upper end, a material inlet (7) likewise at its upper end, and a central material outlet (9) at its lower end. The gas passes through the shaft from the lower end and upwards following a helical path, whereas the material fed at the top and discharged at the bottom during its passage through the shaft is repeatedly thrust outwards against the wall of the shaft and re-introduced into the gas stream. The shaft is made up of several cylindrical shaft sections (11a, 11b, 11c, 11d, 11e), positioned on top of one another, the diameters of which decrease from the lower end upwards, and the gas inlets (3) are configured tangentially in the lowermost shaft section (11a).
    • 一种用于在气体和诸如水泥生料之间的细粒材料之间交换热量的装置(1),包括在其下端设置有气体入口(3)的垂直的,旋转对称的轴(11), 中心气体出口(5)在其上端,同样在其上端的材料入口(7)和在其下端的中心材料出口(9)。 气体沿着螺旋路径从下端向上穿过轴,并且在其通过轴的过程中在顶部被馈送并在底部排出的材料被反复地向外推向轴的壁并重新引入 气流。 轴由几个圆柱形轴部分(11a,11b,11c,11d,11e)组成,它们彼此顶部彼此垂直,其直径从下端向上减小,并且气体入口(3)被切向地配置 在最下轴部(11a)中。
    • 26. 发明申请
    • METHOD FOR REDUCING NOx EMISSION FROM A KILN PLANT
    • 减少氮氧化物排放的方法
    • WO1997030003A1
    • 1997-08-21
    • PCT/DK1997000029
    • 1997-01-22
    • F.L. SMIDTH & CO. A/SHUNDEBOL, Soren
    • F.L. SMIDTH & CO. A/S
    • C04B07/43
    • B01D53/56C04B7/364F27B7/2033C04B7/44C04B7/4407
    • The invention relates to a method for reducing the NOx emission from a kiln plant for heat treatment of raw materials, in which kiln plant fuel can be fired in at least three different zones. In one of these at least three zones an amount c of fuel is burned, in a second of these zones an amount b of fuel is burned and to this second zone the NO containing exhaust gases from the other at least two zones are also fed. In the rest of these at least three zones an amount a of fuel is burned and at least a part of the raw materials are fed to these zones together with an oxygen containing gas. The total amount of fuel, b + a, burned in the second and in the last zones is determined by the need for treatment of the raw materials. When the kiln plant is used for manufacturing cement clinker, the heat treatment consists of preheating, calcining, sintering and cooling of the mineral raw materials. The invention seeks to provide a method by means of which a reduced NOx emission from a kiln plant is obtained, allowing, at the same time, utilization of fuels of low reactivity, such as petroleum coke, anthracite and other coals with a low gas content, in zones at a relatively low temperature. In accordance with the invention, this objective is accomplished in that the amounts of fuel, b and a, are adjusted in upward and downward direction until a minimum NO content is achieved in the exhaust gases from the zone to which the NO containing exhaust gases from all other firing zones are fed.
    • 本发明涉及一种用于减少窑炉用于热处理原料的NOx排放的方法,其中窑炉燃料可以在至少三个不同的区域中燃烧。 在这些至少三个区域中的一个区域中,燃料量c被燃烧,在这些区域的第二区域中,燃料量b燃烧,并且在该第二区域中,还含有来自另外至少两个区域的含有废气的NO。 在这些至少三个区域的其余部分中,燃料的量a被燃烧,并且至少一部分原料与含氧气体一起进料到这些区域。 在第二和最后一个区域燃烧的燃料总量b + a由对原材料的处理的需要决定。 当窑厂用于制造水泥熟料时,热处理由矿物原料的预热,煅烧,烧结和冷却组成。 本发明寻求提供一种方法,通过该方法可获得来自窑炉厂的减少的NOx排放,同时允许低反应性的燃料如石油焦炭,无烟煤和其他具有低气体含量的煤的利用 ,在相对较低温度的区域。 根据本发明,这个目的是通过在向上和向下的方向上调节燃料量b和a,直到从含有NO的废气来的区域的废气中获得最小的NO含量 所有其他的射击区都被喂养。
    • 27. 发明申请
    • METHOD AND APPARATUS FOR CONTINUOUS TREATMENT OF PARTICULATE MATERIAL
    • 连续处理颗粒材料的方法和装置
    • WO1997028408A1
    • 1997-08-07
    • PCT/EP1996005666
    • 1996-12-17
    • F.L. SMIDTH & CO. A/STOUBORG, Jorn
    • F.L. SMIDTH & CO. A/S
    • F27B15/00
    • F27B15/003B01J8/245C04B7/45F27B15/00
    • A method for the continuous treatment of particulate material, such as cement raw meal, in an apparatus comprising a stationary reactor (6) configured as a conical spouted bed, to which the material is fed and treated in a suspended bed by means of gas which, via a centrally arranged gas inlet (21), is injected at the bottom of the reactor (6) and flows upwards through the reactor (6), and wherefrom the material is discharged via an opening (21) at the bottom of the reactor (6). The dimensions, operating parameters of the reactor (6, 21) or the volumes of the connected apparatuses (8a) are selected and regulated in such a way that during operation the bed pulsates up and down in the reactor (6) at such an amplitude that a quantity of the bed material which corresponds to the quantity of fresh feed material, when the bed is situated in its lowermost position, is brought into a zone (22) in which the gas flow velocity is lower than the minimum velocity required for suspending the bed particles, and thereby drops through the gas flow out of the reactor (6).
    • 在包括构造成锥形喷射床的固定反应器(6)的装置中连续处理颗粒材料(例如水泥生料)的方法,材料通过气体在悬浮床中进料并处理到该固定反应器 通过中心布置的气体入口(21),在反应器(6)的底部注入并向上流过反应器(6),并且通过反应器底部的开口(21)将材料排出, (6)。 选择和调节反应器(6,21)的尺寸,操作参数或连接的设备(8a)的体积,使得在操作期间床在反应器(6)中以这样一个振幅上升和下降 当床位于其最低位置时,与新鲜进料的量相对应的床材料的量进入其中气体流速低于悬浮所需的最小速度的区域(22) 床颗粒,从而通过气流流出反应器(6)。
    • 29. 发明申请
    • METHOD AND APPARATUS FOR TREATING A BED OF PARTICULATE MATERIAL
    • 用于处理颗粒物料的方法和装置
    • WO1997007881A1
    • 1997-03-06
    • PCT/EP1996002971
    • 1996-07-05
    • F.L. SMIDTH & CO. A/SFONS, Mogens, JuhlTOUBORG, Jorn
    • F.L. SMIDTH & CO. A/S
    • B01J08/44
    • B01J8/44B01J8/1818F23C10/20F23C10/28F26B3/082F26B17/26F27D15/0213F27D2015/0233
    • A bed (6; 78) of particulate material, which is supported by a gas distribution bottom (9; 75), is located utilizing a treatment gas, which via ducts (19; 35; 77) is conducted in sectionalized manner to and directed up through the gas distribution bottom and the bed of material from one or several underlying compartments (15; 76). The flow of the treatment gas through each duct (19; 35; 77) is self regulated by means of a flow regulator (21) provided in each duct. It is thereby obtained that the total pressure loss across the gas distribution bottom can be reduced, that the flow of the treatment gas through the material bed is distributed in a desirable and well-defined manner across the entire gas distribution bottom regardless of the composition of the material bed and the distribution thereon, and that tunnel formations are avoided.
    • 由气体分配底部(9; 75)支撑的颗粒材料床(6; 78)利用处理气体定位,所述处理气体通过管道(19; 35; 77)以分段方式被导向和导向 通过气体分配底部和来自一个或多个下面的隔室(15; 76)的材料床。 通过每个管道(19; 35; 77)的处理气体的流动通过设置在每个管道中的流量调节器(21)自动调节。 由此得到能够减少气体分配底部两侧的总压力损失,通过材料床的处理气体的流动以期望和明确的方式分布在整个气体分布底部,而不管 材料床和其上的分布,并且避免了隧道结构。
    • 30. 发明申请
    • RING ROLLER MILL
    • ROLLER MILL
    • WO1997002093A1
    • 1997-01-23
    • PCT/DK1996000227
    • 1996-05-29
    • F.L. SMIDTH & CO. A/SFOLSBERG, Jan
    • F.L. SMIDTH & CO. A/S
    • B02C15/00
    • B02C15/06
    • The present invention relates to a ring roller mill operating at a subcritical speed and comprising at least one grinding ring and at least one roller fitted inside the grinding ring. Such a mill can be used in connection with the manufacture of cement for grinding of mineral clinker materials, slags, and similar materials. The objective of the present invention is to provide a ring roller mill in which undesirable vibrations or skewrunning of the roller do not occur during operation and this is achieved by mounting internal fittings in the form of impact and distribution units in the mill. These units are placed in the path where the compacted material falls off the ring, descending towards the draw-in zone. During the grinding process the impact and distribution units will break down agglomerates, if any, while distributing the loosened material down over the draw-in zone in an even layer. The maximum degree of impact is attained when the material hits the unit at an angle between 60 DEG and 110 DEG .
    • 本发明涉及以亚临界速度运行的环形滚磨机,其包括至少一个研磨环和装配在研磨环内部的至少一个滚子。 这种磨机可用于制造用于研磨矿物熟料,炉渣和类似材料的水泥。 本发明的目的是提供一种环形辊磨机,其中在操作期间不会发生不希望的振动或辊的偏斜,并且这通过在磨机中以冲击和分配单元的形式安装内部配件来实现。 这些单元被放置在压实材料从环上脱落的路径中,向着吸引区下降。 在研磨过程中,冲击和分配单元将分解附聚物,如果有的话,同时将松散的材料向下分布在平坦层上的拉伸区域上。 当材料以60°和110°之间的角度击中该单元时,达到最大程度的冲击。