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    • 1. 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。
    • 2. 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。
    • 5. 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
    • US06258148B1
    • 2001-07-10
    • US09223372
    • 1998-12-30
    • Udo GennariJohannes-Leopold Schenk
    • Udo GennariJohannes-Leopold Schenk
    • C21B1100
    • C21B13/002C21B13/0026C21B13/14C21B2100/44Y02P10/136
    • In a method of charging metal carriers which contain a portion of fines and are at least partially reduced to a melter gasifier in which a melt-down gasifying zone formed by a bed is maintained, the metal carriers and carbon carriers are fed into the melter gasifier above the level of the melt-down gasifying zone. The metal carriers descend to the melt-down gasifying zone and travel through the same forming a metal melt and producing a reducing gas by coal gasification. In order to prevent a partial discharge from the melter gasifier of the metal carriers, in particular of the fine particles thereof, when charging the same, feeding of the metal carriers into the interior of the melter gasifier is effected at a vertical distance below a dome (30) terminating the melter gasifier toward the top, gravitationally and under the formation of a strand (44), and the strand (44) is surrounded by a gas jacket (45) enclosing and accompanying the freely falling strand (44) from its level of origin (at 40) onwards over a section (46) of the fall, and in this section (46) the stand (44) is supported against expansion by the gas jacket (45).
    • 在包含一部分细粉的金属载体的方法中,至少部分地还原成保持由床形成的熔化气化区的熔化气化器,将金属载体和碳载体进料到熔炉气化器 高于熔化气化区的水平面。 金属载体下降到熔化气化区,并通过其形成金属熔体并通过煤气化产生还原气体。 为了防止金属载体,特别是其微细颗粒的熔融气化器的局部放电,当充电时,金属载体进入熔化器气化器的内部在垂直距离的圆顶下方进行 (30)在重力作用下和在股线(44)的形成下终止熔融气化器朝向顶部终止熔融气化器,并且该股线(44)由围绕其自由落下的股线(44)的气套(45)包围, 起始点(40°)在秋天的一部分(46)之后,在该部分(46)中,支架(44)被气套(45)支撑而不会膨胀。
    • 6. 发明申请
    • Method for utilizing slag
    • 利用渣的方法
    • US20060065071A1
    • 2006-03-30
    • US11280679
    • 2005-11-16
    • Alexander FleischanderlUdo Gennari
    • Alexander FleischanderlUdo Gennari
    • C21B13/12
    • C21C5/56C21B3/06C21B11/10C21B13/12C21C2300/02C22B5/10C22B7/04Y02P10/212Y02W30/543
    • In a process for utilizing slag containing oxidic iron particles, adding a reducing agent and reducing oxidic iron particles of the slag are charging the slag into a reactor vessel onto a residual iron metal containing dissolved carbon, slowly and continuously over an extended period of time, electric heating the slag and the iron melt over an extended period of time, injecting a carbon-containing reducing agent with inert gas over an extended period of time by a lance into a region close to the boundary surface between the slag and the iron melt or directly into the iron melt, dissolving the carbon of the reducing agent in the iron melt and reducing oxidic iron particles of the slag with metallic iron and CO being formed, over an extended period of time, forming a foamed slag by the resulting CO over an extended period of time, introducing an oxygen-containing gas or oxygen into the foamed slag and postcombustion of CO to CO2 over an extended period of time, bottom flushing the reactor vessel with inert gas over an extended period of time, discharging the treated slag and optionally subsequently the discharging iron melt, whereby a residual iron melt containing dissolved carbon is left in the reactor vessel.
    • 在利用含有氧化铁颗粒的炉渣的方法中,添加还原剂和还原氧化铁颗粒的方法是将渣经由长时间缓慢连续地装入含有溶解碳的残余铁金属上, 在较长时间内对炉渣和铁熔体进行电加热,通过喷枪将惰性气体在惰性气体中延长一段时间,将其注入靠近炉渣和铁熔体之间的边界面的区域,或 直接进入铁熔体,将铁的还原剂的碳溶解在铁熔体中,并在金属铁和CO中形成的CO的还原氧化铁颗粒在延长的时间内,由所得的CO形成发泡的炉渣, 延长的时间段,在发泡炉渣中引入含氧气体或氧气,并在较长时间内将CO燃烧至CO 2 2,底部冲洗 反应器容器在惰性气体中延长时间,排出经处理的炉渣和任选地随后排出的铁熔体,由此将含有溶解碳的残余铁熔体留在反应器容器中。
    • 7. 发明授权
    • Method for utilizing slag
    • 利用渣的方法
    • US07597736B2
    • 2009-10-06
    • US11280679
    • 2005-11-16
    • Alexander FleischanderlUdo Gennari
    • Alexander FleischanderlUdo Gennari
    • C22B7/04C21B13/12C21C7/072
    • C21C5/56C21B3/06C21B11/10C21B13/12C21C2300/02C22B5/10C22B7/04Y02P10/212Y02W30/543
    • In a process for utilizing slag containing oxidic iron particles, adding a reducing agent and reducing oxidic iron particles of the slag are charging the slag into a reactor vessel onto a residual iron metal containing dissolved carbon, slowly and continuously over an extended period of time, electric heating the slag and the iron melt over an extended period of time, injecting a carbon-containing reducing agent with inert gas over an extended period of time by a lance into a region close to the boundary surface between the slag and the iron melt or directly into the iron melt, dissolving the carbon of the reducing agent in the iron melt and reducing oxidic iron particles of the slag with metallic iron and CO being formed, over an extended period of time, forming a foamed slag by the resulting CO over an extended period of time, introducing an oxygen-containing gas or oxygen into the foamed slag and postcombustion of CO to CO2 over an extended period of time, bottom flushing the reactor vessel with inert gas over an extended period of time, discharging the treated slag and optionally subsequently the discharging iron melt, whereby a residual iron melt containing dissolved carbon is left in the reactor vessel.
    • 在利用含有氧化铁颗粒的炉渣的方法中,添加还原剂和还原氧化铁颗粒的方法是将渣经由长时间缓慢连续地装入含有溶解碳的残余铁金属上, 在较长时间内对炉渣和铁熔体进行电加热,通过喷枪将惰性气体在惰性气体中延长一段时间,将其注入靠近炉渣和铁熔体之间的边界面的区域,或 直接进入铁熔体,将铁的还原剂的碳溶解在铁熔体中,并在金属铁和CO中形成的CO的还原氧化铁颗粒在延长的时间内,由所得的CO形成发泡的炉渣, 延长的时间段,在发泡炉渣中引入含氧气体或氧气,并在长时间内对CO进行后燃烧,底部冲洗反应 在长时间内使用惰性气体,排出处理后的炉渣,随后排出铁熔体,由此将含有溶解碳的残余铁熔体留在反应器容器中。
    • 8. 发明授权
    • Process for producing an ODS sintered alloy
    • 生产ODS烧结合金的方法
    • US5049355A
    • 1991-09-17
    • US449909
    • 1990-01-08
    • Udo GennariWolfgang Glatzle
    • Udo GennariWolfgang Glatzle
    • C22C1/05C22C1/10C22C32/00
    • C22C1/1078C22C32/0031
    • Process for producing a ductile, high strength, oxide dispersion hardened sintered alloy based on a metal having a high melting point. In the past, oxide dispersion has played only a minor role in comparison with other known processes for increasing strength. The process disclosed permits cost effective production of metallic materials which possess a strength hitherto unattainable by oxide dispersion and a higher ductility than prior art materials. As a result, the metallic and nonmetallic foreign components in the sintered alloy can be restricted to the relatively small quantities of dispersoids and any dissolved residual oxygen. The process consists in an annealing treatment and calls for a specific choice of basis metal and suitable oxide dispersoid. The materials so obtained are used mainly where metallic components possessing high strength and ductility together with a minimal concentration of foreign elements are required, for example in human medicine where stringent requirements concerning corrosion resistance and biocompatibility apply or in nuclear technology to prevent undesirable particle reactions.
    • PCT No.PCT / EP89 / 00396 Sec。 371 1990年1月8日第 102(e)日期1990年1月8日PCT提交1989年4月13日PCT公布。 公开号WO89 / 09840 日期:1989年10月19日。用于制造基于具有高熔点的金属的延性,高强度氧化物分散硬化烧结合金的方法。 过去,与其他已知的增加强度的方法相比,氧化物分散体仅起了很小的作用。 所公开的方法允许成本有效地生产具有迄今无法通过氧化物分散的强度和比现有技术材料更高的延展性的金属材料。 结果,烧结合金中的金属和非金属异质成分可被限制在相对少量的分散相和任何溶解的残余氧中。 该方法包括退火处理,并要求对基础金属和合适的氧化物分散体进行具体选择。 所获得的材料主要用于具有高强度和延展性的金属组分以及外来元素浓度最低的金属组分,例如在对耐腐蚀性和生物相容性有严格要求的人类医学中或在核技术中以防止不期望的颗粒反应。
    • 9. 发明授权
    • Plant for charging metal carriers to melt-down gasifying zone
    • 用于对金属载体进行充电以熔化气化区的装置
    • US06491864B2
    • 2002-12-10
    • US09883176
    • 2001-06-19
    • Udo GennariJohannes-Leopold Schenk
    • Udo GennariJohannes-Leopold Schenk
    • C21B1300
    • C21B13/002C21B13/0026C21B13/14C21B2100/44Y02P10/136
    • Plant for charging metal carriers which contain a portion of fines and are at least partially reduced to a melter gasifier in which a melt-down gasifying zone formed by a bed is maintained, the metal carriers and carbon carriers are fed into the melter gasifier above the level of the melt-down gasifying zone. The metal carriers descend to the melt-down gasifying zone and travel through the same forming a metal melt and producing a reducing gas by coal gasification. In order to prevent a partial discharge from the melter gasifier of the metal carriers, in particular of the fine particles thereof, when charging the same, feeding of the metal carriers into the interior of the melter gasifier is effected at a vertical distance below a dome (30) terminating the melter gasifier toward the top, gravitationally and under the formation of a strand (44), and the strand (44) is surrounded by a gas jacket (45) enclosing and accompanying the freely falling strand (44) from its level of origin (at 40) onwards over a section (46) of the fall, and in this section (46) the strand (44) is supported against expansion by the gas jacket (45).
    • 用于对含有一部分细粉的金属载体进行充电并且至少部分地还原成其中保持由床形成的熔化气化区的熔化器气化器,将金属载体和碳载体进料到熔融气化器中, 熔化气化区的水平。 金属载体下降到熔化气化区,并通过其形成金属熔体并通过煤气化产生还原气体。 为了防止金属载体,特别是其微细颗粒的熔融气化器的局部放电,当充电时,金属载体进入熔化器气化器的内部在垂直距离的圆顶下方进行 (30)在重力作用下和在股线(44)的形成下终止熔融气化器朝向顶部终止熔融气化器,并且该股线(44)由围绕其自由落下的股线(44)的气套(45)包围, 起始点(40°)在秋天的一部分(46)之后,在该部分(46)中,股线(44)被气套(45)支撑而不被膨胀。