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1.发明授权Process for the production of molten pig iron or molten steel, pre-products and sponge iron and a plant for carrying out the process 失效用于生产熔融生铁或钢水，预制品和海绵铁的工艺，以及用于进行该工艺的工厂
公开(公告)号：US05997608A
公开(公告)日：1999-12-07
申请号：US817262
申请日：1997-07-22
申请人： Jorg Diehl , Gerald Rosenfellner , Leopold Werner Kepplinger , Konstantin Milionis , Dieter Siuka , Horst Wiesinger
发明人： Jorg Diehl , Gerald Rosenfellner , Leopold Werner Kepplinger , Konstantin Milionis , Dieter Siuka , Horst Wiesinger
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/14 , Y02P10/122 , Y02P10/126 , Y02P10/128 , Y02P10/136 , Y02P10/265 , Y02P10/283
摘要： In a process for the production of molten pig iron or molten steel pre-products and sponge iron from charging materials consisting of iron ore and, if desired, fluxes, direct reduction of the charging materials to sponge iron is carried out in a fixed-bed reduction zone, the sponge iron is melted in a meltdown gasifying zone under supply of carbon carriers as well as an oxygen-containing gas and a CO- and H.sub.2 -containing reducing gas is produced which is fed to the reduction zone, is reacted there and is drawn off as an export gas, and the drawn-off export gas is subjected to CO.sub.2 elimination and for the production of sponge iron is along with part of the reducing gas formed in the meltdown gasifying zone as an at least largely CO.sub.2 free reducing gas conveyed to a further reduction zone for the direct reduction of iron ore. In order to save investment costs incurred for the plant and to increase productivity, part of the reducing gas produced in the meltdown gasifying zone is branched off and fed to the further reduction zone while avoiding CO.sub.2 elimination.
摘要翻译： PCT No.PCT / AT95 / 00198 Sec。 371日期1997年7月22日 102（e）日期1997年7月22日PCT提交1995年10月12日PCT公布。 出版物WO96 / 12044 日期1996年04月25日在由铁矿石和如果需要的话，由铁矿石填充材料生产熔融生铁或钢水预制品和海绵铁的过程中，进行充电材料直接还原成海绵铁 在固定床还原区中，海绵铁在碳载体和含氧气体的供应下在熔化气化区中熔化，并且产生含CO和H 2的还原气体，其被供给到还原区 在那里反应，作为出口气体排出，排出的出口气体进行二氧化碳消除，海绵铁的生产与熔化气化区中形成的一部分还原气体一起至少 大部分不含CO 2的还原气体被输送到另一个还原区域以直接还原铁矿石。 为节省厂房投资成本，提高生产效率，在熔化气化区生产的部分还原气体被分支，并进入进一步还原区，同时避免二氧化碳排放。
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公开(公告)号：US5989308A
公开(公告)日：1999-11-23
申请号：US817263
申请日：1997-04-17
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/14 , Y02P10/122 , Y02P10/128 , Y02P10/136 , Y02P10/265 , Y02P10/283
摘要： A plant for the production of pig iron and/or sponge iron includes a direct-reduction shaft furnace for lumpy iron ore, a melter gasifier, a feed duct for a reducing gas connecting the melter gasifier with the shaft furnace, a conveying duct for the reduction product formed in the shaft furnace connecting the shaft furnace with the melter gasifier, a top-gas discharge duct departing from the shaft furnace, feed ducts for oxygen-containing gases and carbon carriers running into the melter gasifier and a tap for pig iron and slag provided at the melting vessel. In order to be able to process not only lumpy ore, but also fine ore within a wide variation range with regard to quantity in a manner optimized in terms of energy and product, the plant includes at least one fluidized bed reactor for receiving fine ore, a reducing-gas feed duct leading to the fluidized bed reactor, an offgas discharge duct departing from the fluidized bed reactor and a discharge means provided for the reduction product formed in the fluidized bed reactor, wherein the top-gas discharge duct of the shaft furnace and the offgas discharge duct of the fluidized bed reactor run into a purifier and subsequently into a heat exchanger from which the reducing-gas feed duct of the fluidized bed reactor departs.
摘要翻译： PCT No.PCT / AT95 / 00199 Sec。 371日期1997年04月17日 102（e）日期1997年4月17日PCT提交1995年10月12日PCT公布。 出版物WO96 / 12045 日期1996年04月25日生产生铁和/或海绵铁的工厂包括用于块状铁矿石的直接还原竖炉，熔炉气化器，用于将熔化炉气化器与竖炉连接的还原气体的进料管， 在竖炉中形成的用于还原产品的输送管道，其将竖炉与熔化器气化器连接起来，从立式炉排出的顶部气体排出管道，用于含氧气体的进料管和进入熔化炉气化器的碳载体， 在熔化容器处提供生铁和矿渣的水龙头。 为了能够在能量和产品方面优化的方式处理不仅块状矿石，而且能够处理在数量方面的广泛变化范围内的细矿石，该装置包括至少一个用于接收细矿石的流化床反应器， 通向流化床反应器的还原气进料管道，离开流化床反应器的废气排放管道和为流化床反应器中形成的还原产物提供的排放装置，其中竖炉的顶部排气管道 并且流化床反应器的废气排放管道进入净化器，随后进入热交换器，流化床反应器的还原气体进料管从该换热器排出。
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公开(公告)号：US06183534B2
公开(公告)日：2001-02-06
申请号：US09148780
申请日：1998-09-04
IPC分类号： C21B1314
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/14 , C21B2100/282 , C21B2100/44 , C21B2100/66 , Y02P10/122 , Y02P10/128 , Y02P10/136
摘要： In a plant for the production of pig iron and/or sponge iron, comprising at least one fluidized bed reactor adapted to receive fine ore, a reducing-gas feed duct leading to said fluidized bed reactor, an off gas discharge duct departing from the fluidized bed reactor and a discharge means, preferably a briquetting means, provided for the reduction product formed in the fluidized bed reactor, the off gas discharge duct of the fluidized bed reactor runs into a purification means, such as a scrubber, subsequently into a heating means and finally into the reducing gas feed duct of the fluidized bed reactor. To produce a product having a high quality standard at a minimum energy input, the heating means is constructed such that it comprises two stages including a heat exchanger as the heating means for the reducing gas and, connected serially therewith, a partial combustion means for the reducing gas with an oxygen feeding means.
摘要翻译： 在用于生产生铁和/或海绵铁的设备中，包括至少一个适于接收细矿石的流化床反应器，通向所述流化床反应器的还原气进料管，离开流化床 床式反应器和为在流化床反应器中形成的还原产物提供的排出装置，优选压块装置，流化床反应器的废气排放管道进入净化装置，例如洗涤器，随后进入加热装置 最后进入流化床反应器的还原气体进料管道。 为了以最小能量输入产生具有高质量标准的产品，加热装置被构造成使得其包括两个级，包括作为用于还原气体的加热装置的热交换器，并且与其串联连接的部分燃烧装置 用氧气供给装置还原气体。
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公开(公告)号：US5584910A
公开(公告)日：1996-12-17
申请号：US139528
申请日：1993-10-20
IPC分类号： C22B1/14 , C21B5/00 , C21B11/00 , C21B11/02 , C21B13/00 , C21B13/14 , F27B1/20 , F27B1/21 , F27B15/10 , F27B15/14 , F27D3/10 , F27D13/00 , C22B5/14
CPC分类号： C21B13/14 , C21B13/002 , Y02P10/122 , Y02P10/136 , Y02P10/265 , Y02P10/283
摘要： A process for producing molten pig iron or molten steel pre-products from charging substances formed of iron ores and fluxes and at least partially comprising fines, wherein the charging substances are directly reduced to sponge iron in at least one reduction zone by the fluidized layer process, the sponge iron is melted in a melting-gasifying zone under supply of carbon carriers and oxygen-containing gas, and a CO and H.sub.2 -containing reducing gas is produced, which is injected into the reduction zone, is reacted there, is withdrawn as an export gas and is supplied to a consumer, is to be improved with a view to rendering feasible the use of fine ore in an economic manner. This is effected in thatprimarily hematite and/or magnetite fine ores and/or ore dusts are subjected to preheating by the fluidized layer process in a preheating zone,the thus preheated charging substances are completely reduced to a major extent in at least one consecutively arranged reduction zone,whereupon at least the more finely particulate charging substances are charged into the fluidized bed and/or, if desired, also into the fixed bed, of the melting-gasifying zone by forced conveyance, preferably by pneumatic conveyance, and are melted there.
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5.发明授权Method of producing molten pig iron or molten steel pre-products and a plant therefor 失效生产生铁水或钢水预制品的方法及其设备
公开(公告)号：US5567379A
公开(公告)日：1996-10-22
申请号：US449761
申请日：1995-05-25
CPC分类号： C21B13/14 , C21B13/002 , Y10S75/961
摘要： A plant is provided for producing molten pig iron or molten steel pre-products from lumpy, iron-ore-containing charging substances. The plant comprises a reduction shaft furnace for receiving lumpy, iron-ore-containing charging substances, the plant including a melter gasifier for receiving the reduction product formed in the reduction shaft furnace. The plant also includes a first charging device for at least one of iron ore and ore dust and a second charging device for solid carbon carriers, the melter gasifier being provided with a device for flow-connecting the first charging device for at least one of iron ore and ore dust and the second charging device for charging carbon carriers to at least one dust burner.
摘要翻译： 提供一种用于生产来自块状，含铁矿石的装料的熔融生铁或钢水预制品的设备。 该装置包括用于接收块状含铁矿石的装料的还原竖炉，该装置包括用于接收在还原竖炉中形成的还原产物的熔炉气化器。 该设备还包括用于铁矿石和矿石灰尘中的至少一种的第一充电装置和用于固体碳载体的第二充电装置，所述熔化器气化器设置有用于将所述第一充电装置用于至少一个铁流动连接的装置 矿石和矿粉，以及用于将碳载体装载到至少一个灰尘燃烧器的第二充电装置。
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公开(公告)号：US5445668A
公开(公告)日：1995-08-29
申请号：US66505
申请日：1993-05-20
CPC分类号： C21B13/14 , C21B13/002 , Y10S75/961
摘要： In a method of producing molten pig iron from lumpy, iron-ore-containing charging substances, the latter are reduced in a reduction shaft furnace by means of a reducing gas, wherein the iron sponge particles obtained are melted in a melter gasifier under supply of coal and oxygen-containing gas under simultaneous formation of the reducing gas, and the reducing gas is returned to the reduction zone of the shaft furnace.To enable charging of larger amounts of fine ore and/or ore particles, such as oxidic iron fine dust incurred in a metallurgical plant, in addition to the charging substances, the fine ore and/or the ore dust is supplied with solid carbon carriers to at least one dust burner working into the melter gasifier and is reacted in a substoichiometric cumbustion reaction.
摘要翻译： 在由含铁矿石的带电物质生成熔融生铁的方法中，后者通过还原气体在还原竖炉中还原，其中获得的铁海绵颗粒在熔炉气化器中在供给下熔化 煤和含氧气体同时形成还原气体，并且还原气体返回到竖炉的还原区。 为了能够对冶金厂产生的较大量的细矿石和/或矿石颗粒（如氧化铁细粉尘）进行充电，除了带电物质之外，细矿石和/或矿石粉被供给固体碳载体 至少一个灰尘燃烧器工作在熔化器气化器中并在亚化学计量的燃烧反应中反应。
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公开(公告)号：US5535991A
公开(公告)日：1996-07-16
申请号：US461711
申请日：1995-06-05
IPC分类号： C22B1/14 , C21B5/00 , C21B11/00 , C21B11/02 , C21B13/00 , C21B13/14 , F27B1/20 , F27B1/21 , F27B15/10 , F27B15/14 , F27D3/10 , F27D13/00 , C22B5/14
CPC分类号： C21B13/14 , C21B13/002 , Y02P10/122 , Y02P10/136 , Y02P10/265 , Y02P10/283
摘要： A process for producing molten pig iron or molten steel pre-products from charging substances formed of iron ores and fluxes and at least partially comprising fines, wherein the charging substances are directly reduced to sponge iron in at least one reduction zone by the fluidized layer process, the sponge iron is melted in a melting-gasifying zone under supply of carbon carriers and oxygen-containing gas, and a CO and H.sub.2 -containing reducing gas is produced, which is injected into the reduction zone, is reacted there, is withdrawn as an export gas and is supplied to a consumer, is to be improved with a view to rendering feasible the use of fine ore in an economic manner. This is effected in thatprimarily hematite and/or magnetite fine ores and/or ore dusts are subjected to preheating by the fluidized layer process in a preheating zone,the thus preheated charging substances are completely reduced to a major extent in at least one consecutively arranged reduction zone,whereupon at least the more finely particulate charging substances are charged into the fluidized bed and/or, if desired, also into the fixed bed, of the melting-gasifying zone by forced conveyance, preferably by pneumatic conveyance, and are melted there.
摘要翻译： 一种从由铁矿石和助熔剂形成的至少部分包含细粉的装料物质生产熔融生铁或钢水预制物的方法，其中所述带电物质通过流化层方法直接还原成至少一个还原区中的海绵铁 在供给碳载体和含氧气体的情况下，在熔融气化区中熔融海绵铁，并且将注入还原区的CO和H 2还原气体在其上反应，作为 要向消费者提供出口天然气，并进行改善，以便以经济的方式使细矿石成为可能。 这是因为主要是赤铁矿和/或磁铁矿细矿石和/或矿石粉尘通过预热区域中的流化层工艺进行预热，因此预热的带电物质在至少一个连续布置 因此，优选通过强制输送，优选通过气动输送将至少更细粒度的带电物质装入熔融气化区的流化床和/或如果需要也进入固定床，并在那里熔化 。
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公开(公告)号：US5534046A
公开(公告)日：1996-07-09
申请号：US461710
申请日：1995-06-05
IPC分类号： C22B1/14 , C21B5/00 , C21B11/00 , C21B11/02 , C21B13/00 , C21B13/14 , F27B1/20 , F27B1/21 , F27B15/10 , F27B15/14 , F27D3/10 , F27D13/00
CPC分类号： C21B13/14 , C21B13/002 , Y02P10/122 , Y02P10/136 , Y02P10/265 , Y02P10/283
摘要： A process for producing molten pig iron or molten steel pre-products from charging substances formed of iron ores and fluxes and at least partially comprising fines, wherein the charging substances are directly reduced to sponge iron in at least one reduction zone by the fluidized layer process, the sponge iron is melted in a melting-gasifying zone under supply of carbon carriers and oxygen-containing gas, and a CO and H.sub.2 -containing reducing gas is produced, which is injected into the reduction zone, is reacted there, is withdrawn as an export gas and is supplied to a consumer, is to be improved with a view to rendering feasible the use of fine ore in an economic manner. This is effected in thatprimarily hematite and/or magnetite fine ores and/or ore dusts are subjected to preheating by the fluidized layer process in a preheating zone,the thus preheated charging substances are completely reduced to a major extent in at least one consecutively arranged reduction zone,whereupon at least the more finely particulate charging substances are charged into the fluidized bed and/or, if desired, also into the fixed bed, of the melting-gasifying zone by forced conveyance, preferably by pneumatic conveyance, and are melted there.
摘要翻译： 一种从由铁矿石和助熔剂形成的至少部分包含细粉的装料物质生产熔融生铁或钢水预制物的方法，其中所述带电物质通过流化层方法直接还原成至少一个还原区中的海绵铁 在供给碳载体和含氧气体的情况下，在熔融气化区中熔融海绵铁，并且将注入还原区的CO和H 2还原气体在其上反应，作为 要向消费者提供出口天然气，并进行改善，以便以经济的方式使细矿石成为可能。 这是因为主要是赤铁矿和/或磁铁矿细矿石和/或矿石粉尘通过预热区域中的流化层工艺进行预热，因此预热的带电物质在至少一个连续布置的 因此，优选通过强制输送，优选通过气动输送将至少更细粒度的带电物质装入熔融气化区的流化床和/或如果需要也进入固定床，并在那里熔化 。
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