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    • 1. 发明授权
    • Method of charging metal carriers to a melt-down gasifying zone
    • 将金属载体装入熔化气化区的方法
    • US06277172B1
    • 2001-08-21
    • US09205425
    • 1998-12-04
    • Leopold Werner KepplingerFelix WallnerJohannes-Leopold Schenk
    • Leopold Werner KepplingerFelix WallnerJohannes-Leopold Schenk
    • C21B1100
    • C21B13/002C21B13/0026C21B13/14C21B2100/44C21B2100/66Y02P10/136
    • In a method of charging metal carriers which contain a portion of fines and are at least partially reduced and carbon carriers to a melter gasifier (10) in which a melt-down gasifying zone (11) is maintained, the metal carriers and the carbon carriers are fed into the melter gasifier (10) above the level of the melt-down gasifying zone (11) and descend to the melt-down gasifying zone (11) and travel through the same forming a metal melt and producing a reducing gas by coal gasification. In order to prevent a partial discharge of the metal carriers from the melter gasifier (10) during the charging of the same and to be able to achieve uniform distribution of the carbon carriers and the metal carriers, both the carbon carriers and the metal carriers are introduced into the melter gasifier centrally above the melt-down gasifying zone (11), preferably gravitationally, with a central strand (32) of metal carriers being formed which is peripherally surrounded by a jacket strand (37) formed by the carbon carriers.
    • 在将含有一部分细粉并且至少部分还原的金属载体和碳载体装入其中保持熔化气化区(11)的熔化气化器(10)的方法中,金属载体和碳载体 被送入熔融气化炉(10)的高于熔化气化区(11)的水平面并下降到熔化气化区(11)并通过其形成金属熔体并由煤生产还原气体 气化。 为了防止金属载体在其充电期间从熔融气化器(10)中部分放电,并且能够实现碳载体和金属载体的均匀分布,碳载体和金属载体都是 优选重力地在熔融气化区(11)的上方引入到熔融气化器中,形成金属载体的中心线(32),周边地被由碳载体形成的护套线(37)围绕。
    • 2. 发明授权
    • Process for producing liquid pig iron or semifinished steel products from ore
    • 从矿石生产液态生铁或半成品钢产品的工艺
    • US06179896B2
    • 2001-01-30
    • US09101150
    • 1998-07-01
    • Leopold Werner KepplingerFelix WallnerJohannes-Leopold Schenk
    • Leopold Werner KepplingerFelix WallnerJohannes-Leopold Schenk
    • C21B1100
    • C21B13/002
    • In a method of producing molten pig iron (9) or steel pre-products from lump ore which in at least one reduction zone is reduced to partially and/or completely reduced sponge iron (4) in a shaft furnace, the sponge iron (4) is melted down in a melt-down gasifying zone (8) of a melter gasifier (1) under supply of carbon-containing material (2) and oxygen and while simultaneously forming a reducing gas. To ensure that there will be a specific gap volume in the bed (13) of solid carbon carriers (2) even when charging fine-particle sponge iron (14) and hence that the bed (13) of solid carbon carriers (2) will be thoroughly flown through by gas, at least the sponge iron (4) is charged to the melt-down gasifying zone (8) discontinually, under formation of areas (14) of piled-up sponge iron which are embedded in the bed (13) of carbon carriers (2) and which are superposed and which are separated by solid carbon carriers (2), wherein each of the areas (14) of piled-up sponge iron while sparing a cross section zone (15) of the melt-down gasifying zone (8) extends over the cross section of the same and wherein the reducing gas forming the melt-down gasifying zone (8) flows past the areas (14) of piled-up sponge iron under melting of the same and upwards through the cross section zones (15) that are free from sponge iron and formed from carbon carriers (2), and flows through these zones.
    • 在生产熔融生铁(9)或块矿的钢制前产品的方法中,在竖炉中至少一个还原区被还原成部分和/或完全还原海绵铁(4)的方法中,海绵铁 )在含碳材料(2)和氧的供应下同时形成还原气体的同时在熔化气化器(1)的熔化气化区(8)中熔化。 为了确保在固体碳载体(2)的床(13)中将具有特定的间隙体积,即使在加入细颗粒海绵铁(14)时,因此固体碳载体(2)的床(13)将会 通过气体彻底地流通,至少将海绵铁(4)不连续地装入熔化气化区(8)中,形成嵌入床(13)中的堆积海绵铁的区域(14) )的碳载体(2)并且它们被重叠并且被固体碳载体(2)分离,其中堆积的海绵铁的每个区域(14)同时保持熔融物的横截面区域(15) 向下气化区(8)在其横截面上延伸,并且其中形成熔化气化区(8)的还原气体流过堆积的海绵铁的区域(14),熔融的同时向上通过 横截面区域(15),其不含海绵铁并由碳载体(2)形成并且流过这些区域。
    • 5. 发明授权
    • Process for producing molten pig iron of liquid steel preproducts and
plant for carrying out the process
    • 用于生产液态钢前产品和生产工厂的生铁生产工艺
    • US5961690A
    • 1999-10-05
    • US860241
    • 1997-06-10
    • Werner Leopold KepplingerFelix WallnerJohannes-Leopold Schenk
    • Werner Leopold KepplingerFelix WallnerJohannes-Leopold Schenk
    • C21B11/00C21B13/00C21B13/14C22B5/14
    • C21B13/14C21B13/002Y02P10/122Y02P10/126Y02P10/128Y02P10/136
    • In a process for producing molten pig iron or liquid steel pre-products, from particulate iron-oxide-containing material by fluidization, the iron-oxide-containing material is prereduced in at least one prereduction stage (7) by aid of a reducing gas and subsequently is reduced to sponge iron in a final reduction stage (8), the sponge iron is melted in a meltdown-gasifying zone (11) under the supply of carbon carriers and an oxygen-containing gas, and a CO- and H.sub.2 -containing reducing gas is produced which is introduced into the final reduction stage (8), is reacted there, is drawn off, subsequently is introduced into a prereduction stage (7), is reacted there, is drawn off, subjected to scrubbing and subsequently is carried off as an export gas and wherein at least a portion of the reacted reducing gas is purified from CO.sub.2, is heated and is used as a recycle-reducing gas for the reduction of the iron-oxide-containing material. To ensure reduction while avoiding the occurrence of "sticking", while also minimizing the amount of carbon carriers charged, a portion of the reducing gas flowing from the final reduction stage (8) into the prereduction stage (7) is branched off, washed, purified from CO.sub.2 and heated and subsequently is recycled to the final reduction stage (8) (FIG. 1).
    • PCT No.PCT / AT96 / 00191 Sec。 371日期:1997年6月10日 102(e)日期1997年6月10日PCT提交1996年10月8日PCT公布。 公开号WO97 / 13880 PCT 日期1997年04月17日在通过流化从含有氧化锰的物质生产熔融生铁或液钢预制品的方法中,含氧化铁材料在至少一个预还原阶段(7)中被预还原 还原气体的帮助,随后在最终还原阶段(8)中还原成海绵铁,海绵铁在碳载体和含氧气体的供应下在熔化气化区(11)中熔化,并且 产生含有CO和H 2的还原气体,其被引入到最终还原阶段(8)中,在其中反应,被排出,随后被引入预还原阶段(7),在那里被反应,被排出 进行洗涤,随后作为出口气体运送,并且其中至少一部分反应的还原气体从CO 2中净化,被加热并用作还原还原气体以还原含氧化铁的材料。 为了确保减少,同时避免“粘附”的发生,同时最小化装载的碳载体的量,一部分从最终还原段(8)流入预还原阶段(7)的还原气体被分支,洗涤, 从CO 2中纯化并加热,随后再循环至最终还原阶段(8)(图1)。
    • 7. 发明授权
    • Process for producing sponge iron
    • 海绵铁生产工艺
    • US6149708A
    • 2000-11-21
    • US101208
    • 1998-08-04
    • Werner Leopold KepplingerFelix WallnerUdo Gennari
    • Werner Leopold KepplingerFelix WallnerUdo Gennari
    • C21B13/00C21B13/14
    • C21B13/002C21B13/14Y02P10/136
    • 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.
    • 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。
    • 8. 发明授权
    • Process for producing sponge iron by direct reduction of
iron-oxide-containing material
    • 通过直接还原含铁氧化物材料生产海绵铁的方法
    • US6143053A
    • 2000-11-07
    • US101292
    • 1998-09-30
    • Johann ReidetschlagerSiegfried ZellerFelix WallnerRoy Hubert Whipp, Jr.
    • Johann ReidetschlagerSiegfried ZellerFelix WallnerRoy Hubert Whipp, Jr.
    • C21B13/00C21B13/14
    • C21B13/0073C21B13/0033C21B13/146Y02P10/122Y02P10/136Y02P10/143
    • In a process for producing sponge iron by direct reduction of iron-oxide-containing material, synthesis gas is mixed with top gas forming in the direct reduction of the iron-oxide-containing material and is utilized as a CO- and H.sub.2 -containing reducing gas for direct reduction and for heating the iron-oxide-containing material to a reduction temperature. To be able to save energy in an economically efficient manner when producing steel, especially in the refining process, direct reduction is carried out as follows: (1) in addition to the reducing gas, a carbon-containing gas, such as natural gas, or a gas having higher hydrocarbons is utilized for reduction; (2) the iron-oxide-containing material for a predetermined period of time exceeding the period necessary for complete reduction is exposed to the reducing gas and to the additionally supplied carbon-containing gas, and (3) a CO/CO.sub.2 ratio ranging between 2 and 5, preferably a ratio in excess of 2.5, is adjusted in the reducing gas.
    • PCT No.PCT / AT97 / 00236 Sec。 371日期:1998年9月30日 102(e)1998年9月30日PCT PCT 1997年11月5日PCT公布。 公开号WO98 / 20171 日期1998年5月14日在通过直接还原含氧化铁材料生产海绵铁的方法中,合成气与直接还原含氧化铁材料混合形成顶部气体,并用作CO-和 含H2的还原气体用于直接还原,并将含铁氧化物的材料加热至还原温度。 为了在生产钢时能够以经济有效的方式节约能源,特别是在精炼过程中,直接还原如下:(1)除了还原气体之外,还可以使用天然气等含碳气体, 或具有较高烃的气体用于还原; (2)超过完全还原所需时间的预定时间段的含铁氧化物的材料暴露于还原气体和附加供给的含碳气体中,(3)CO / CO 2比范围在 在还原气体中调节2和5,优选超过2.5的比例。
    • 9. 发明授权
    • Process for reducing ore fines and arrangement for carrying out the
process
    • 减少矿石罚款和进行安排的过程
    • US6030432A
    • 2000-02-29
    • US913505
    • 1997-11-17
    • Werner Leopold KepplingerFelix WallnerJohannes-Leopold SchnekUdo GennariIl-Ock LeeYong-Ha KimGyu-Dae Park
    • Werner Leopold KepplingerFelix WallnerJohannes-Leopold SchnekUdo GennariIl-Ock LeeYong-Ha KimGyu-Dae Park
    • F27B15/00C21B13/00C22B5/14C21B11/00C22B1/10
    • C21B13/0033Y02P10/136
    • 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.
    • 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。
    • 10. 发明授权
    • Process for the production of molten pig iron or steel pre-products and
a plant for carrying out the process
    • 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
    • US5948139A
    • 1999-09-07
    • US793875
    • 1997-04-17
    • Werner Leopold KepplingerFelix WallnerJohannes Schenk
    • Werner Leopold KepplingerFelix WallnerJohannes Schenk
    • C21B11/02C21B11/00C21B13/00C21B13/14
    • C21B13/002Y02P10/136
    • 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.
    • 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。