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公开(公告)号：US09988695B2
公开(公告)日：2018-06-05
申请号：US14865783
申请日：2015-09-25
申请人： Rheinkalk GmbH
发明人： Theodor Günther , Matthias Blöser , Denise Alfenas Moreira , Arnd Pickbrenner , Christopher Pust , Wolfgang Rückert
摘要： The invention relates to a method for producing an agglomerate, which is used as a blast furnace feed material, by mixing a fine material containing metal and/or metal oxide, a mineral binder, which comprises a mineral raw material and a lime-based material, and optionally other additives to form a mass and solidifying the mass to form an agglomerate, wherein a raw material comprising a silicon oxide fraction of at least 40 wt %, a fine grain fraction of less than 4 μm of at least 20 wt %, and a grain size fraction of less than 1 μm of at least 10 wt % is used as the mineral raw material. The invention further relates to a blast furnace feed material that can be produced by means of the method according to the invention, and to a pre-mixture for producing the blast furnace feed material.
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公开(公告)号：US09821381B2
公开(公告)日：2017-11-21
申请号：US14412376
申请日：2013-05-14
发明人： Yuji Iwami , Katsuhiro Iwasaki , Koichi Nushiro
摘要： Apparatus for supplying diluted gaseous fuel to not more than a lower limit combustion concentration at downstream of suction type sintering machine including a hood having similar width as a circularly-moving pallet and arranged above charged layer to surround the pallet in all directions, pipes disposed at upper position of charged layer in the hood and supplying the fuel air inside the hood, baffle plates formed by arranging plate materials having dog-leg shaped cross-section in plural rows and steps at intervals in the widthwise and height directions, respectively, of the hood to make each interval formed between adjacent plate materials in widthwise direction of the hood in each steps vertically alternate; fences having a void and arranged on both sides upper ends of the hood; vortex suppressing plates formed between fences at intervals having a void ratio, 20˜80%; whereby the gaseous fuel leakage supplied to the outside is prevented.
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公开(公告)号：US09752206B2
公开(公告)日：2017-09-05
申请号：US14362057
申请日：2012-12-03
发明人： Michel G. Drouet , Pierre Carabin
CPC分类号： C22B1/2406 , C22B1/20 , C22B1/2413 , F27B21/06 , H05H1/34 , H05H1/44 , H05H2001/3452 , Y02P10/143
摘要： In the present pelletizing apparatus, the induration of iron ore concentrate pellets is achieved in a tunnel furnace heated by plasma torches, wherein the generation of CO2 by the conventional iron ore pelletizing processes is reduced by using electricity powered plasma torches instead of burning natural gas, heavy oil or pulverized coal in burners, thereby reducing considerably industrial pollution of the atmosphere.
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公开(公告)号：US09598748B2
公开(公告)日：2017-03-21
申请号：US14136038
申请日：2013-12-20
申请人： OUTOKUMPU OYJ , OUTOTEC OYJ
发明人： Tuomo Mäkelä , Pekka Niemelä , Helge Krogerus
IPC分类号： C22B1/11 , C22B1/20 , C22B1/243 , C22B23/02 , C22C1/02 , C22C30/00 , C22C19/05 , C22C27/06 , C22C35/00
CPC分类号： C22C1/02 , C22B1/11 , C22B1/20 , C22B1/243 , C22B23/023 , C22C19/052 , C22C27/06 , C22C30/00 , C22C35/005
摘要： The invention relates to a method for producing a ferroalloy containing nickel. From a fine-grained raw material containing iron and chromium and a fine-grained raw material containing nickel, a mixture is formed with binding agent, the mixture is agglomerated so that first formed objects of desired size are obtained. The objects formed are heat treated in order to strengthen the objects so that the heat treated objects withstand conveyance and loading into a smelter furnace. Further, the objects are smelted under reducing circumstances in order to achieve ferrochromenickel, a ferroalloy of a desired composition containing at least iron, chromium and nickel.
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5.发明授权公开(公告)号：US09534844B2
公开(公告)日：2017-01-03
申请号：US13813622
申请日：2011-09-21
申请人： Päivi Oikarinen
发明人： Päivi Oikarinen
摘要： The invention relates to a method and equipment for the continuous sintering of mineral material in a sintering furnace (S). In the method, a material bed (2) is formed on a conveyor base (1), the material bed (2) is conveyed by the conveyor base (1) through the process zones (I-VII) of the sintering furnace that have different temperatures, the zones including at least one drying zone (I), at least one cooling zone (VII), and at least one other process zone (II, III, IV, V, VI) between the said drying zone and cooling zone, and gas is conducted through the conveyor base and the material bed (2), when the material bed travels through the process zones (I-VII), and gas is circulated in a circulation gas duct (3) from the last cooling zone (VII) to the drying zone (I). Part of the gas flow that is conducted to the drying zone (I) in the circulation gas duct (3) is removed as an exhaust gas flow (B) by the exhaust gas blower (5) of an exhaust gas duct (4). The volume flow of the exhaust gas flow (B) is regulated by regulating the blowing power of the blower (5) to control the temperature of the gas flow travelling through the material bed in the drying zone.
摘要翻译： 本发明涉及烧结炉（S）中矿物材料的连续烧结的方法和设备。 在该方法中，在输送机基座（1）上形成材料床（2），料床（2）由输送机基座（1）通过烧结炉的加工区（I-VII）输送， 所述区域包括在所述干燥区域和冷却区域之间的至少一个干燥区域（I），至少一个冷却区域（VII）和至少一个其它处理区域（II，III，IV，V，VI） 当材料床通过处理区域（I-VII）时，气体通过输送机基座和材料床（2）传导，并且气体在循环气体管道（3）中从最后一个冷却区域循环（ VII）至干燥区（I）。 通过废气导管（4）的排气鼓风机（5）将作为排气流（B）排出到循环气体管道（3）中的干燥区域（I）的一部分气流被除去。 通过调节鼓风机（5）的吹送功率来控制排气流（B）的体积流量，以控制在干燥区中通过材料床行进的气流的温度。
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公开(公告)号：US20160312343A1
公开(公告)日：2016-10-27
申请号：US15104500
申请日：2014-12-16
申请人： OUTOTEC (FINLAND) OY
发明人： Helge KROGERUS , Pasi MÄKELÄ , Visa KIVINEN
IPC分类号： C22C35/00 , C22C30/00 , C22C27/06 , C21C7/00 , C22B1/20 , C22B9/20 , C22B9/10 , C22C38/38 , C22C1/02
CPC分类号： C22C35/005 , C21C5/5211 , C21C5/5229 , C21C7/0025 , C22B1/20 , C22B9/103 , C22B9/20 , C22C1/02 , C22C27/06 , C22C30/00 , C22C38/38
摘要： To produce manganese containing ferroalloy for steel production, an agglomeration mixture is produced which comprises chromite ore concentrate and manganese ore fines with a grain size smaller than 6-9 mm. The mixture is agglomerated to produce green agglomeration products, such as pellets or other types of agglomerates. The green agglomeration products are sintered in a steel belt sintering furnace to produce either sinter or sintered pellets. The sinter or sintered pellets are smelted in a submerged arc furnace to produce manganese and chromium containing ferroalloy. The ferroalloy produced by the method comprises 6.0-35 w-% manganese and 31-54 w-% chromium.
摘要翻译： 为了生产用于钢铁生产的含锰铁合金，生产出包含铬铁矿精矿和粒度小于6-9mm的锰矿粉末的附聚混合物。 将混合物凝聚以产生绿色附聚产物，例如粒料或其它类型的附聚物。 绿色附聚产物在钢带烧结炉中烧结以生产烧结或烧结颗粒。 烧结或烧结的颗粒在浸没电弧炉中熔炼以生产含锰和铬的铁合金。 通过该方法生产的铁合金包括6.0-35w-锰和31-54w-％铬。
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公开(公告)号：US07968044B2
公开(公告)日：2011-06-28
申请号：US12111324
申请日：2008-04-29
申请人： Edson Rocha , Marcos Torres
发明人： Edson Rocha , Marcos Torres
IPC分类号： C22B1/20
CPC分类号： C22B1/22 , C22B1/26 , F27B21/06 , F27D9/00 , F27D15/0213
摘要： An apparatus and method for processing iron sinter is provided. A cooling system is arranged downstream of a furnace for cooling the iron sinter. The cooling system includes a convective cooling system for forcing air into the iron sinter and an evaporative cooling system for directing fluid into the hot sinter.
摘要翻译： 提供了一种加工铁烧结体的设备和方法。 冷却系统布置在炉的下游，用于冷却铁烧结矿。 冷却系统包括用于迫使空气进入铁烧结体的对流冷却系统和用于将流体引入热烧结体的蒸发冷却系统。
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公开(公告)号：US07914731B2
公开(公告)日：2011-03-29
申请号：US12161205
申请日：2007-01-12
IPC分类号： C22B1/20
摘要： A process for sintering metal-containing materials, such as iron ores or manganese ores, on a sintering machine including a sintering belt for transporting the sinter mix during sintering thereof. The sintering belt has first, second and third portions. Sintering waste gas from the third portion is transported to and unified with sintering waste gas from the first portion in a mixing region to form a mixed gas, wherein the transporting distance of the sintering waste gas from the third portion to the mixing region is greater than the transporting distance of the sintering waste gas from the first portion to the mixing region. An apparatus for carrying out the process is disclosed, including the sintering belt, suction boxes operative at the portions of the belt, and lines for conveying the gas produced and the gases used in the process.
摘要翻译： 一种在包含用于在其烧结期间输送烧结混合物的烧结带的烧结机上烧结含金属材料如铁矿石或锰矿石的方法。 烧结带具有第一，第二和第三部分。 来自第三部分的烧结废气被输送到混合区中的来自第一部分的烧结废气并形成混合气体，其中烧结废气从第三部分到混合区的输送距离大于 烧结废气从第一部分到混合区域的输送距离。 公开了一种用于执行该方法的装置，包括烧结带，在带的部分操作的抽吸箱和用于输送所产生的气体和用于该过程的气体的管线。
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公开(公告)号：US20050050995A1
公开(公告)日：2005-03-10
申请号：US10497304
申请日：2003-03-28
申请人： Nobuyuki Oyama , Kanji Aizawa , Takayuki Ueki
发明人： Nobuyuki Oyama , Kanji Aizawa , Takayuki Ueki
摘要： A simple and economical manufacturing method of a sintering material for manufacturing a sintering material suitable for manufacturing sintered ore excellent in the reducibility and high in the cold strength, and an apparatus therefor are proposed. As a pretreatment of a manufacturing process of sintered ore for use in a blast furnace by use of a Dwight-Lloyd type sintering machine of downward suction, a sintering material including iron ore, a SiO2-containing material, a limestone base powdery material and a solid fuel type powdery material is projected as a additional coating auxiliary raw material into the drum mixer with a additional coating conveyor disposed in proximity to an exhaust outlet of the drum mixer. Preferably, a sintering material excepting a limestone base powdery material and a solid fuel type powdery material is charged from a charge inlet of the drum mixer to granulate and in a region disposed in the middle on a downstream side where a staying time during which the sintering material reaches an exhaust outlet of the drum mixer is in the range of from 10 to 90 seconds, a additional coating auxiliary raw material including a limestone base powdery material and a solid fuel type powdery material is added, and thereby until reaching the exhaust outlet, the additional coating auxiliary raw material is deposited and formed on a exterior coating portion of the sintering material.
摘要翻译： 提出了一种用于制造适合于制造具有优异的还原性和高的冷却强度的烧结矿的烧结材料的烧结材料的简单且经济的制造方法及其装置。 作为用于高炉的烧结矿的制造方法的预处理，使用德怀特 - 劳埃德式的向下吸入式烧结机，可以使用包含铁矿石，含SiO 2的材料，石灰石基础粉末材料和 将固体燃料型粉末材料作为另外的涂层辅助原料投影到鼓式混合器中，附加涂层输送器设置在鼓式混合器的排气出口附近。 优选地，除了石灰石基础粉末材料和固体燃料型粉末材料之外的烧结材料从鼓式混合机的充电入口装入颗粒，并且在设置在中间的区域中，在下游侧具有烧结 材料到达鼓式搅拌机的排气出口在10〜90秒的范围内，添加包括石灰石粉末材料和固体燃料型粉末材料的附加涂层辅助原料，从而直到到达排气出口， 附加的涂层辅助原料沉积并形成在烧结材料的外涂层部分上。
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公开(公告)号：US06162280A
公开(公告)日：2000-12-19
申请号：US214781
申请日：1999-03-11
申请人： Johann Lehner , Oskar Pammer , Hans Stiasny , Heinz Schollnhammer , Hubert Zellner , Wolfgang Trimmel, deceased
发明人： Johann Lehner , Oskar Pammer , Hans Stiasny , Heinz Schollnhammer , Hubert Zellner , Wolfgang Trimmel, deceased
CPC分类号： C22B1/244 , C22B1/20 , C22B1/205 , Y10S75/962
摘要： The technical problem of the invention is to create a process where the second layer is of higher sintering quality and improved waste gas values are achieved. The process according to the invention for the thermal transformation of materials containing organic substances in a two-layer sintering process, charges the second layer (8) containing the organic substances at a maximum layer thickness of 20% of the first layer after ignition of the first layer (1) and thermally treats the second layer when the combustion zone of the first layer ensures the combustion of the organic substances coming from the second layer and entering the combustion zone of the first layer, following the pressure difference, is least 70%. The area above the combustion zone of the first layer still must have a temperature preventing the organic substances coming from the second layer and entering the first layer from condensing.
摘要翻译： PCT No.PCT / AT97 / 00153 Sec。 371 1999年3月11日 102（e）1999年3月11日PCT PCT 1997年7月7日PCT公布。 第WO98 / 02593号公报 日期1998年1月22日本发明的技术问题是创造一种方法，其中第二层具有较高的烧结质量和改善的废气值。 根据本发明的用于在双层烧结过程中含有有机物质的材料进行热转化的方法，在第一层的最高层厚度为20％的第二层（8）之后，对含有有机物质的第二层（8）进行充电， 第一层（1），并且当第一层的燃烧区域确保来自第二层并进入第一层的燃烧区域的有机物质在压力差之后的燃烧时，第二层的热处理为至少70％ 。 第一层燃烧区上方的区域仍然必须具有防止来自第二层并进入第一层的有机物冷凝的温度。
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