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公开(公告)号：US6149708A
公开(公告)日：2000-11-21
申请号：US101208
申请日：1998-08-04
CPC分类号： C21B13/002 , C21B13/14 , Y02P10/136
摘要： A process for producing sponge iron by directly reducing particulate, iron-oxide-containing material, wherein reducing gas that is formed from carbon carriers and an oxygen-containing gas in a melt-down gasifying zone is introduced into a reduction zone that contains the iron-oxide-containing material, characterized by the combination of the following characteristic features: (i) to the reduction zone, a reducing gas is fed which contains between iron-oxide-containing material 20 g and 100 g per Nm.sup.3 of a dust having a carbon content of between 30 mass % and 70 mass %; and (ii) the iron-oxide-containing material is exposed to the reducing gas for a time period that exceeds the period for a complete reduction. The process of the invention renders it possible to produce a sponge iron of elevated carbon content.
摘要翻译： PCT No.PCT / AT97 / 00238 Sec。 371日期：1998年8月4日 102（e）日期1998年8月4日PCT 1997年11月5日PCT公布。 公开号WO98 / 20172 日期1998年5月14日一种通过直接还原颗粒状氧化铁的材料制造海绵铁的方法，其中在熔融气化区中由碳载体和含氧气体形成的还原气体被引入还原区 其含有含铁氧化物的材料，其特征在于结合以下特征：（i）至还原区，进料还原气体，该还原气体含有含铁氧化物的材料20g和100g每Nm 3的 碳含量在30质量％至70质量％之间的粉尘; 和（ii）含氧化铁材料暴露于还原气体超过完全还原期间的时间。 本发明的方法使得可以生产具有高碳含量的海绵铁。
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2.发明授权
公开(公告)号：US6030432A
公开(公告)日：2000-02-29
申请号：US913505
申请日：1997-11-17
申请人： Werner Leopold Kepplinger , Felix Wallner , Johannes-Leopold Schnek , Udo Gennari , Il-Ock Lee , Yong-Ha Kim , Gyu-Dae Park
发明人： Werner Leopold Kepplinger , Felix Wallner , Johannes-Leopold Schnek , Udo Gennari , Il-Ock Lee , Yong-Ha Kim , Gyu-Dae Park
CPC分类号： C21B13/0033 , Y02P10/136
摘要： In a process for the reduction of fine ore by reducing gas in the fluidized bed method, the following characteristic features are realized in order to achieve a uniform and even degree of metallization at optimum utilization of the reducing gas and while minimizing the amount of reducing gas employed, that the fine ore is fractionated by aid of the reducing gas into at least two fractions having different grain size distributions, that each fraction is reduced by the reducing gas in a separate fluidized bed, wherein the reducing gas maintains a first fluidized bed containing the coarse-grain fraction and separates the fine-grain fraction from the same, is accelerated together with the fine-grain fraction, subsequently under pressure release forms a further fluidized bed, into which it is continuously injected in a radially symmetrical manner and from below, and wherein, furthermore, secondary reducing gas additionally is directly injected into the further fluidized bed in a radially symmetrical manner, and that reduced ore is discharged from both the first and the second fluidized beds.
摘要翻译： PCT No.PCT / AT96 / 00045 Sec。 371日期：1997年11月17日 102（e）1997年11月17日PCT PCT 1996年3月11日PCT公布。 公开号WO96 / 29435 日期1996年9月26日在流化床方法中通过还原气体还原细矿石的方法中，实现了以下特征，以便在最佳利用还原气体的同时实现均匀均匀的金属化，同时最小化 所用的还原气体的量，将细矿石通过还原气体分级成至少两个具有不同粒度分布的馏分，每个馏分在单独的流化床中被还原气体还原，其中还原气体保持 含有粗晶粒部分并将细晶粒部分与其分离的第一流化床与细晶粒部分一起加速，随后在压力释放下形成另外的流化床，其中它以径向方式连续注入 另外，二次还原气体另外直接注入到另外的流化床中 d以径向对称的方式，并且还原的矿石从第一和第二流化床排出。
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3.发明授权Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials 失效用于避免金属粉尘直接还原含氧化铁材料的工艺和设备
公开(公告)号：US5858058A
公开(公告)日：1999-01-12
申请号：US765331
申请日：1997-01-15
CPC分类号： C21B13/0073 , Y02P10/122 , Y02P10/136 , Y02P10/143
摘要： A direct reduction process is disclosed for iron-oxide-containing materials. Synthesis gas is mixed with top gas produced during direct reduction of the iron-oxide-containing materials and is used as reduction gas for directly reducing iron-oxide-containing materials. In order to avoid or reduce metal dusting caused by an increased CO content of the reduction gas with a simple technique and equipment, the CO/CO.sub.2 ratio of the reduction gas is set at a predetermined value from 1 to 3.
摘要翻译： PCT No.PCT / AT95 / 00123 Sec。 371日期1997年1月15日 102（e）日期1997年1月15日PCT提交1995年6月20日PCT公布。 出版物WO96 / 00304 PCT 日期1996年1月4日公开了含氧化铁材料的直接还原方法。 将合成气与直接还原含铁氧化物的材料中产生的顶部气体混合，并用作直接还原含氧化铁材料的还原气体。 为了通过简单的技术和设备避免或减少由还原气体的CO含量增加引起的金属粉尘，将还原气体的CO / CO 2比设定在1至3的预定值。
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公开(公告)号：US20090217785A1
公开(公告)日：2009-09-03
申请号：US12065354
申请日：2006-08-17
CPC分类号： C22B15/0054 , C22B5/10 , C22B5/16 , C22B15/006 , Y02P10/214 , Y02P10/22
摘要： The invention relates to a method for separating impurities out of slags, dusts, minerals, preparation residues of minerals or of recyclings or remaining substances, subsequently called feed stock. In order to save energy and reduce costs, the inventive method is characterized by the combination of the following features: melting the feed stock containing the impurities; forming a copper melt; bring the feed stock into contact with the copper melt while adding reducing agents, preferably coke and/or coal; vaporizing, if required, existing volatile compounds such as metal chlorides; reducing metals of the feed stock more noble than copper in the copper melt, and; forming a slag with constituents of the feed stock to be purified that is less noble than copper.
摘要翻译： 本发明涉及从炉渣，粉尘，矿物质，矿物的制备残余物或回收物或其余物质中分离杂质的方法，随后称为原料。 为了节省能源并降低成本，本发明的方法的特征在于结合以下特征：熔化含有杂质的原料; 形成铜熔体; 使原料与铜熔体接触，同时加入还原剂，优选焦炭和/或煤; 如果需要，蒸发现有的挥发性化合物如金属氯化物; 在铜熔体中还原金属比铜更贵， 与待纯化的原料的成分形成渣，其比铜更不贵。
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公开(公告)号：US20060182555A1
公开(公告)日：2006-08-17
申请号：US11393970
申请日：2006-03-30
申请人： Leopold Kepplinger , Johann Wurm , Franz Berner
发明人： Leopold Kepplinger , Johann Wurm , Franz Berner
IPC分类号： B65G1/00
CPC分类号： C21B5/008 , C21B13/002 , F27B1/20 , F27D2003/0007
摘要： The invention relates to an apparatus and a process for distributing a lumpy bulk material, in particular iron ore which has been at least partially prereduced, onto an extensive surface, in particular onto a fixed bed, this surface extending within a reactor or vessel used in physical or chemical process technology, in particular in a reactor used in a metallurgical plant to produce pig iron or primary steel products, and the lumpy bulk material being charged via at least one charging apparatus, which has at least two, in particular rotationally symmetrical, chutes, which are preferably arranged at the same distance from the vertical longitudinal axis of the reactor. In this arrangement, at least a proportion of the bulk material, in particular after it has been introduced into the chute, before it comes into contact with the extensive surface, is distributed in the radial and/or tangential direction—as seen from above—at a scattering device which is assigned to at least one of the chutes and is preferably in the chute.
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公开(公告)号：US06254663B1
公开(公告)日：2001-07-03
申请号：US09221494
申请日：1998-12-28
申请人： Werner Leopold Kepplinger , Felix Wallner , Johannes Schenk , Il-Ock Lee , Yong-Ha Kim , Moon Duk Park
发明人： Werner Leopold Kepplinger , Felix Wallner , Johannes Schenk , Il-Ock Lee , Yong-Ha Kim , Moon Duk Park
IPC分类号： C21B1314
摘要： In the process for the production of liquid pig iron 943) or liquid steel pre-products from charging substances comprising iron ore (5) and fluxes and at least partially containing a portion of fines, the iron ore is directly reduced to sponge iron in at least two reduction stages (1, 2) by the fluidized bed method, the sponge iron is melted in a melt-down gasifying zone (39) under the supply of carbon carriers and an oxygen-containing gas, and a CO- and H2-containing reducing gas is produced which is injected into reduction zones of the reduction stages (1, 2), is reacted there, is withdrawn as a top gas and optionally is supplied to a consumer. To achieve uniform reduction of the iron ore at optimum exploitation of the reducing gas, the iron ore (5) in a first reduction stage (1) by aid of the reducing gas is fractionated into at least two fractions having different grain size distributions each, each fraction is reduced by the reducing gas in a separate fluidized bed (6, 15), wherein the reducing gas maintains a first fluidized bed (6) containing the coarse-grain fraction and separates the fine-grain fraction from the same, and wherein, further, reducing gas is additionally introduced into the further fluidized bed (15) directly reduced iron ore (5) is discharged both from the first and from the further fluidized bed (6, 15) and the fine- and the coarse-grain fraction reduced in the first reduction stage (1) are further reduced in at least one further reduction stage (2) operating in the same manner as the first reduction stage (1) and from the last reduction stage (2) the fine-grain fraction is introduced into the melt-down gasifying zone (39) while being agglomerated by provision of oxygen, and the coarse-grain fraction is fed directly into the melt-down gasifying zone (39) gravitationally (FIG. 1).
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7.发明授权Process for the production of molten pig iron or steel pre-products and a plant for carrying out the process 失效用于生产生铁或钢铁前处理产品的工艺以及进行该工艺的工厂
公开(公告)号：US5948139A
公开(公告)日：1999-09-07
申请号：US793875
申请日：1997-04-17
CPC分类号： C21B13/002 , Y02P10/136
摘要： In a process for the production of molten pig iron or steel pre-products from fine-particulate iron-cintaining material, in a meltdown-gasifying zone of a melter gasifier (1), under the supply of carbon-containing material and oxygen-containing gas at the simultaneous formation of a reducing gas, in a bed formed of sold carbon carriers, the iron-containing material is melted when passing the bed. To be able to employ a charge here up to 100% of which consist of fine ore, while reliably avoiding discharge of the supplied fine ore, a high-temperature combustion and/or gasification xzone is formed by combusting and/or gasifying carbon-containing material under direct supply of oxygen in a killing space (III) formed above the bed, into which high-temperature combustion and/or gasification zone the fine-particulate iron-containing material is directly introduced, wherein at least incipient surface melting of the iron-containing material and agglomeration of the same are carried out by means of the heat released during the reaction of the carbon-containing material.
摘要翻译： PCT No.PCT / AT96 / 00129 Sec。 371日期1997年04月17日 102（e）日期1997年4月17日PCT提交1996年7月18日PCT公布。 出版物WO97 / 04137 日期1997年2月6日在熔炼炉气化炉（1）的熔化气化区中，在含碳含量较高的熔融气化炉（1）的熔化气化区中生产熔融生铁或钢铁预制品的方法 材料和含氧气体在同时形成还原气体时，在由销售的碳载体形成的床中，含铁材料在通过床时熔化。 为了能够在其中使用100％的矿石，在可靠地避免供给的细矿石排放的同时，通过燃烧和/或气化含碳的方法形成高温燃烧和/或气化xzone 在床上形成的杀伤空间（III）中直接供应氧的材料，高温燃烧和/或气化区直接引入细颗粒含铁材料，其中至少初期的铁表面熔化 的含有材料和其附聚物通过在含碳材料的反应期间释放的热量进行。
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8.发明申请Method for reducing a praticulate material containing a metal, especially iron ore 有权减少含有金属，特别是铁矿石的脯氨酸物质的方法公开(公告)号：US20070245853A1
公开(公告)日：2007-10-25
申请号：US11820749
申请日：2007-06-20
申请人： Leopold Kepplinger , Johann Reidetschlager , Johannes Schenk , Siegfried Zeller , Konstantin Milionis , Hanspeter Ofner
发明人： Leopold Kepplinger , Johann Reidetschlager , Johannes Schenk , Siegfried Zeller , Konstantin Milionis , Hanspeter Ofner
IPC分类号： B22F1/00
CPC分类号： C21B13/0033 , Y02P10/122 , Y02P10/126 , Y02P10/128 , Y02P10/136
摘要： In a process for reducing iron-ore-containing particulate material in at least a two-stage process, reducing gas is conducted through at least two reaction zones consecutively arranged in series and formed by a moving particulate material and the particulate material passes through the reaction zones in reverse order to the reducing gas, with the particulate material being heated in the reaction zone arranged first for the particulate material and being reduced in the further reaction zone. In order to achieve a maximum preheating temperature without any formation of magnetite, the reducing gas added to the first reaction zone is conditioned such that no or hardly any reduction takes place, although for the particulate material a preheating temperature within the fringe range of starting a reduction is achieved, whereby either the degree of oxidation of the reducing gas is increased or the temperature of the reducing gas is decreased or both measures are carried out jointly and whereby, in the reactor zone arranged second for the iron ore, a temperature level of at least about 600° C., preferably in the range of between 600 and 700° C., in particular of between 620 and 660° C., is adjusted and the iron-oxide-containing material is reduced to wuestite (FIG. 1).
摘要翻译： 在至少两阶段工艺中还原含铁矿石颗粒材料的方法中，还原气体通过至少两个串联连续排列的反应区进行，并由移动的颗粒材料形成，颗粒材料通过反应 区域与还原气体相反，其中颗粒材料在反应区域中被加热，首先用于颗粒材料并在另外的反应区域中被还原。 为了达到最大预热温度而没有任何形成磁铁矿，添加到第一反应区域的还原气体被调节，使得不发生或几乎不发生任何还原，尽管对于颗粒材料，预热温度在起始 由此可以减少还原气体的氧化程度，还原气体的温度降低或两者兼而有之，由此在铁矿石排列第二的反应器区域中， 至少约600℃，优选在600和700℃之间，特别是在620和660℃之间，并且将含铁氧化物的材料还原成为乌素（
图1 ）。 -
9.发明授权Process for producing liquid pig iron or semifinished steel products from iron-containing materials 失效从含铁材料生产液态生铁或半成品钢产品的工艺公开(公告)号：US06454833B1
公开(公告)日：2002-09-24
申请号：US09101176
申请日：1998-08-13
IPC分类号： C21B1300
CPC分类号： C21B13/14 , C21B13/002 , C21B2100/44
摘要： In a method for producing liquid pig iron (9) or steel pre-products from fine-particulate iron-containing material (4) in a melter gasifier (1), the iron-containing material (4) is melted in a bed of solid carbon carriers (2) under supply of carbon-containing material (2) and oxygen-containing gas, at the simultaneous formation of a reducing gas, wherein the fine-particulate reduced material (4) and oxygen are introduced into the bed (20, 21) from the side. To be able to charge the fine-particulate iron-containing material to the melter gasifier (1) without a need for briquetting and, in doing so, avoid discharging of the fine-particulate iron-containing material (4) by the reducing gas formed in the melter gasifier (1), a fluidized bed (21) of fine-particulate solid carbon carriers (2) and fine-particulate iron-containing reduced material (4) is maintained above a fixed bed (20) formed of solid carbon carriers (2) and the fine-particulate reduced material (4) is charged into the fluidized bed (21) directly, in immediate contact with oxygen, preferably in the form of a strand having a ring-shaped cross-section and peripherally surrounding an oxygen jet and enclosing the oxygen, such that the oxygen is enclosed by the supplied fine-particulate reduced material (4), and the fine-particulate reduced material (4) is melted in the fluidized bed (FIG. 1).
摘要翻译： 在熔融气化炉（1）中由含细粒铁的材料（4）生产液体生铁（9）或钢制预制品的方法中，含铁材料（4）在固体床 碳载体（2）在含碳材料（2）和含氧气体的供给下同时形成还原气体，其中将细颗粒还原材料（4）和氧气引入床（20， 21）从一边。 为了能够将微细含铁材料装入熔化炉气化器（1）而不需要压块，并且在这样做时，避免由形成的还原气体排出细粒状含铁材料（4） 在熔化器气化器（1）中，在固体碳载体（20）形成的固定床（20）上方保持有细颗粒固体碳载体（2）和细颗粒含铁还原材料（4）的流化床（21） （2）和细颗粒还原材料（4）直接与氧气直接接触到流化床（21）中，优选以具有环形横截面并且周围环绕氧的线形式 喷射并包围氧气，使得氧被所提供的细颗粒还原材料（4）包围，并且细颗粒还原材料（4）在流化床（图1）中熔化。
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10.发明授权公开(公告)号：US06416566B1
公开(公告)日：2002-07-09
申请号：US09221494
申请日：1998-12-28
申请人： Werner Leopold Kepplinger , Felix Wallner , Johannes Schenk , Il-Ock Lee , Yong-Ha Kim , Moon Duk Park
发明人： Werner Leopold Kepplinger , Felix Wallner , Johannes Schenk , Il-Ock Lee , Yong-Ha Kim , Moon Duk Park
IPC分类号： C21B1314
CPC分类号： C21B13/14 , Y02P10/136
摘要： In the process for the production of liquid pig iron 943) or liquid steel pre-products from charging substances comprising iron ore (5) and fluxes and at least partially containing a portion of fines, the iron ore is directly reduced to sponge iron in at least two reduction stages (1, 2) by the fluidized bed method, the sponge iron is melted in a melt-down gasifying zone (39) under the supply of carbon carriers and an oxygen-containing gas, and a CO- and H2-containing reducing gas is produced which is injected into reduction zones of the reduction stages (1, 2), is reacted there, is withdrawn as a top gas and optionally is supplied to a consumer. To achieve uniform reduction of the iron ore at optimum exploitation of the reducing gas, the iron ore (5) in a first reduction stage (1) by aid of the reducing gas is fractionated into at least two fractions having different grain size distributions each, each fraction is reduced by the reducing gas in a separate fluidized bed (6, 15), wherein the reducing gas maintains a first fluidized bed (6) containing the coarse-grain fraction and separates the fine-grain fraction from the same, and wherein, further, reducing gas is additionally introduced into the further fluidized bed (15) directly reduced iron ore (5) is discharged both from the first and from the further fluidized bed (6, 15) and the fine- and the coarse-grain fraction reduced in the first reduction stage (1) are further reduced in at least one further reduction stage (2) operating in the same manner as the first reduction stage (1) and from the last reduction stage (2) the fine-grain fraction is introduced into the melt-down gasifying zone (39) while being agglomerated by provision of oxygen, and the coarse-grain fraction is fed directly into the melt-down gasifying zone (39) gravitationally (FIG. 1).
摘要翻译： 在生产液体生铁943）或含铁矿石（5）和助熔剂的物料的液态钢产品的过程中，至少部分含有一部分细粉，铁矿石直接还原成海绵铁 通过流化床法将至少两个还原阶段（1,2），海绵铁在碳载体和含氧气体的供应下在熔化气化区（39）中熔化，并且CO-和H 2 - 产生含有还原气体的废气，其被注入到还原段（1,2）的还原区中，在其中反应，作为顶部气体排出并任选地供应给消费者。 为了在最佳利用还原气体的情况下实现铁矿石的均匀还原，通过还原气体将第一还原段（1）中的铁矿石（5）分级成至少两个具有不同粒度分布的级分， 在分离的流化床（6,15）中每个馏分被还原气体还原，其中还原气体保持含有粗晶粒部分的第一流化床（6），并将细晶粒部分与其分离，其中 进一步地，将还原气体另外引入到另外的流化床（15）中，直接还原的铁矿石（5）从第一流化床（6,15）和另外的流化床（6,15）排出，并且精细和粗颗粒馏分 在与第一还原阶段（1）相同的方式和从最后的还原阶段（2）操作的至少一个另外的还原阶段（2）中，第一还原阶段（1）中的还原进一步减少，细晶粒分数为 引入熔化 气化区（39），同时通过提供氧气而聚集，并且粗粒部分重力地直接进入熔化气化区（39）。 1）。
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