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公开(公告)号：BRPI0409281A
公开(公告)日：2006-04-11
申请号：BRPI0409281
申请日：2004-04-08
Applicant: TECH RESOURCES PTY LTD
Inventor： IONS PHILIP JAMES , DRY RODNEY JAMES
IPC: C21B13/00 , C21C5/56 , C22B5/10 , C22B9/00 , F27B1/20 , F27D3/15 , F27D3/16 , F27D3/18 , C21B11/00 , C21C5/32 , F27B14/08
Abstract: A direct smelting plant for producing molten metal from a metalliferous feed material is disclosed. The plant includes a fixed smelting vessel to hold a molten bath of metal and slag and a gas space above the bath. The plant also includes means for supplying solids and gas feed materials to the vessel and for tapping molten material from the vessel. The plant also includes at least two platforms for supporting plant operators at different heights of the vessel. The metal tapping means and the slag tapping means are located so as to be accessible by plant operators on a cast house platform and the end metal tapping means and the end slag tapping means are located to be accessible by plant operators on an end tap platform that is at a lower height than the cast house platform.
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公开(公告)号：MY122230A
公开(公告)日：2006-03-31
申请号：MYPI9903117
申请日：1999-07-23
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
Abstract: A PROCESS FOR DIRECT SMELTING A METALLIFEROUS FEED MATERIAL IS DISCLOSED. CHAR AND FUEL GAS ARE PRODUCED BY PRE-TREATING COAL WITH AN OXYGEN-CONTAINING GAS. THE FUEL GAS IS USED TO HEAT AN OXYGEN-CONTAINING GAS AND/OR TO PRODUCE AN OXYGEN-CONTAINING GAS IN AN OXYGEN PLANT. METALLIFEROUS FEED MATERIAL, CHAR, AND THE OXYGEN-CONTAINING GAS ARE INJECTED INTO A DIRECT SMELTING VESSEL (105), AND THE METALLIFEROUS FEED MATERIAL IS SMELTED TO MOLTEN METAL IN THE DIRECT SMELTING VESSEL (105) USING THE CHAR AS A SOURCE OF ENERGY AND AS A REDUCTANT.
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公开(公告)号：ES2249014T3
公开(公告)日：2006-03-16
申请号：ES99928910
申请日：1999-07-01
Applicant: TECH RESOURCES PTY LTD
Inventor： MCCARTHY CAROLYN , DRY RODNEY JAMES , BURKE PETER DAMIAN
Abstract: Procedimiento de fusión directa para la producción de metales a partir de un material de carga metalífero que comprende las etapas siguientes: (a) la formación en una cuba metalúrgica de un baño fundido que presenta una capa de metal y una capa de escoria sobre la capa de metal; (b) la inyección de un material metalífero de carga y de un material carbonoso sólido en la capa de metal, mediante una pluralidad de lanzas/toberas dispuestas encima y que se extienden en sentido descendente hacia la capa de metal, y haciendo que el material fundido sea proyectado en forma de salpicaduras, pequeñas gotas y chorros a un espacio superior por encima de una superficie en reposo nominal del baño fundido para formar una zona de transición; (c) la fusión del material metalífero a metal en la capa de metal; y (d) la inyección de un gas que contiene oxígeno en la cuba mediante una o más de una lanza/tobera para realizar la postcombustión de los gases de reacción liberados por el baño fundido, con lo que lassalpicaduras, las pequeñas gotas y los chorros de material fundido ascendentes y a continuación descendentes en la zona de transición facilitan la transferencia de calor al baño fundido y con lo cual la zona de transición minimiza las pérdidas de calor de la cuba a través de las paredes laterales en contacto con la zona de transición; y cuyo procedimiento comprende la etapa de controlar el procedimiento manteniendo unas existencias de escoria elevadas controlando que la capa de escoria presente por lo menos 1, 5 metros de espesor.
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公开(公告)号：AT316427T
公开(公告)日：2006-02-15
申请号：AT00949007
申请日：2000-08-07
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
Abstract: A process for direct smelting metalliferous feed material is disclosed. Iron oxides are partially reduced in a solid state in a pre-reduction vessel. The partially reduced iron oxides are smelted to molten iron in a direct smelting vessel which contains a molten bath of iron and slag and is supplied with a solid carbonaceous material as a source of reductant and energy and with an oxygen-containing gas for post-combusting carbon monoxide and hydrogen generated in the vessel. The direct smelting step generates an off-gas that contains sulphur and the off-gas is released from the direct smelting vessel. Part only of the off-gas released from the direct smelting vessel is used in the pre-reduction step to pre-reduce iron oxides in the pre-reduction vessel. Part only of the off-gas is used in the pre-reduction step in order to control the amount of sulphur that is returned with the partially reduced iron oxides to the direct smelting vessel.
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公开(公告)号：AU2005217667A1
公开(公告)日：2005-09-09
申请号：AU2005217667
申请日：2005-02-28
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
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Patent Agency Ranking
公开(公告)号：AT299952T
公开(公告)日：2005-08-15
申请号：AT98943588
申请日：1998-09-23
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
Abstract: A molten bath-based direct smelting process for producing metals from metal oxides (including partially reduced metal oxides) is disclosed. The process includes causing upward movement of splashes, droplets, and streams of molten material from a metal layer (15) of the molten bath which: (i) promotes strong mixing of metal in a slag layer (16) of the molten bath so that the slag layer (16) is maintained in a strongly reducing condition leading to FeO levels below 8 wt % based on the total weight of the slag in the slag layer (16); and (ii) extends into a space above a nominal quiescent surface of the molten bath to form a transition zone (23).
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公开(公告)号：AU782046B2
公开(公告)日：2005-06-30
申请号：AU6545100
申请日：2000-10-11
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
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公开(公告)号：AT294243T
公开(公告)日：2005-05-15
申请号：AT99970430
申请日：1999-10-14
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
IPC: C21B11/08 , C21B13/00 , C21B13/14 , C21C5/56 , C22B5/18 , F27B3/18 , F27B3/22 , F27D9/00 , F27D13/00 , F27D17/00 , C21B11/00 , C21B11/02 , C22B5/10 , C22B5/12 , F27B19/02 , F27B19/04
Abstract: A process and an apparatus for producing metals from a metalliferous feed material are disclosed. The process includes the steps of partially reducing and at least partially melting a metalliferous feed material in a pre-reduction/melting means and completely reducing the partially reduced feed material in a reduction means. The pre-reduction/melting means is positioned directly above the reduction means and communicates with the reduction means so that at least partially molten, partially reduced feed material flows downwardly into a central region of the reduction means. The reduction means includes a vessel that contains a molten bath having a metal layer and a slag layer on the metal layer. The process includes injecting oxygen-containing gas into the reduction means and post-combusting reaction gas generated in the molten bath and injecting oxygen-containing gas into the pre-reduction/melting means and post-combusting reaction gas discharged from the reduction means. The process further includes injecting solid carbonaceous material and a carrier gas into a metal rich region of the molten bath and causing upward movement of splashes, droplets and streams of molten material which forms a transition zone.
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公开(公告)号：AU780104B2
公开(公告)日：2005-03-03
申请号：AU6254400
申请日：2000-08-07
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
Abstract: A process for direct smelting metalliferous feed material is disclosed. Iron oxides are partially reduced in a solid state in a pre-reduction vessel. The partially reduced iron oxides are smelted to molten iron in a direct smelting vessel which contains a molten bath of iron and slag and is supplied with a solid carbonaceous material as a source of reductant and energy and with an oxygen-containing gas for post-combusting carbon monoxide and hydrogen generated in the vessel. The direct smelting step generates an off-gas that contains sulphur and the off-gas is released from the direct smelting vessel. Part only of the off-gas released from the direct smelting vessel is used in the pre-reduction step to pre-reduce iron oxides in the pre-reduction vessel. Part only of the off-gas is used in the pre-reduction step in order to control the amount of sulphur that is returned with the partially reduced iron oxides to the direct smelting vessel.
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公开(公告)号：CA2304618C
公开(公告)日：2004-06-29
申请号：CA2304618
申请日：1998-09-23
Applicant: TECH RESOURCES PTY LTD
Inventor： DRY RODNEY JAMES
Abstract: The HIsmelt process as disclosed in WO 96/31627 A1 (PCT/AU96/00197) consists of forming a molten bath of iron and slag, injecting metalliferous feed (oxides), solid carbonaceous material (coal and/or coke) and slag formers into the bath and smelting the metalliferous feed to metal. The process also consists of post-combusting the unoxidised reaction gases and transferring the generated heat to the bath to facilitate the smelting. In addition, a transition zone between the post-combustion zone and the quiescent metal zone is formed by injecting the charge together with a carrier gas into the bath, thus causing the metal and slag to be projected into the transition zone. The present application constitutes an improvement over the afore-mentioned application, in that lances/tuyères are inserted deep into the melt to provide oxygen for post-combustion of the unoxidised reaction gases and, in addition, to project splashes, droplets and streams of molten metal into the transition zone, which, in turn, fall back into the bath, thus effectively transferring heat from the post-combustion zone to the molten bath. The level of dissolved carbon in the bath is maintained at .gtoreq.3 %, preferably > 4% The FeO level in the slag is maintained at 40%, preferably > 50% or >60%.
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