SIEMENS VAI METALS TECHNOLOGIES GMBH Patent applications |
Patent application number | Title | Published |
20150329930 | REFORMER-GAS-BASED REDUCTION PROCESS WITH DECARBONIZATION OF THE FUEL GAS FOR THE REFORMER - In a process and apparatus for the reduction of metal oxides to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of a gas containing carbon dioxide (CO | 11-19-2015 |
20150314350 | METHOD AND APPARATUS FOR PREPARING STEEL STOCK BEFORE HOT ROLLING - A process and an apparatus for preparing steel stock before hot rolling. The steps of preheating the stock ( | 11-05-2015 |
20150196941 | METHOD AND DEVICE FOR A COMBINED CONTINUOUS CASTING AND ROLLING SYSTEM - A method and device for producing hot-rolled products in a combined continuous casting and rolling system ( | 07-16-2015 |
20150136046 | METHOD FOR USING THE EXHAUST GASES FROM PLANTS FOR RAW IRON MANUFACTURE FOR GENERATING STEAM - A method and a system for generating steam using the waste gases from plants for pig iron manufacture: waste gas removed as export gas ( | 05-21-2015 |
20150027038 | PROCESS AND APPARATUS FOR BRIQUETTE PRODUCTION - Process for producing a briquette containing carbon carriers ( | 01-29-2015 |
20140361472 | METHOD AND DEVICE FOR OPERATING A SMELTING REDUCTION PROCESS - In a method and a device for operating a smelting reduction process, at least part of an export gas from a blast furnace or a reduction unit is thermally utilized in a gas turbine and the exhaust gas of this gas turbine is used in a waste heat steam generator to generate steam. The remaining part of the export gas is fed to a CO | 12-11-2014 |
20140238093 | REVERSING ROLLING MILL AND OPERATING METHOD FOR A REVERSING ROLLING MILL - Operating method for a reversing rolling mill having at least one reversing rolling stand ( | 08-28-2014 |
20140230853 | DEVICE AND METHOD FOR POST-TREATING A METAL STRIP - A device and method for post-treating a metal strip ,, wherein a pickled metal strip ( | 08-21-2014 |
20140217653 | SYSTEM FOR ENERGY OPTIMIZATION IN A PLANT FOR PRODUCING DIRECT-REDUCED METAL ORES - A system for energy optimization in a plant ( | 08-07-2014 |
20140202285 | METHOD FOR TREATING WASTE GASES FROM PLANTS FOR PIG IRON PRODUCTION - A method and a system for treating waste gases ( | 07-24-2014 |
20140196571 | PROCESS AND DEVICE FOR CHARGING INTO A SMELTING UNIT - A process and a device for charging a primary product for pig iron into a smelting unit are provided. According to the process and device, some of the primary product that has been formed by reducing oxidic iron carriers is stored in the hot state in a reservoir tank before being supplied into the storage device or charging device that is directly connected to the smelting unit. | 07-17-2014 |
20140174141 | ROLLING SYSTEM AND ROLLING METHOD - A rolling system, particularly a cold-rolling system for cold-rolling a metal strip ( | 06-26-2014 |
20140145019 | COIL FORMING APPARATUS AND METHOD - An apparatus is disclosed for receiving a helical formation of rings free falling from the delivery end of a conveyor, and for gathering the rings into a coil. The apparatus comprises a vertically disposed mandrel having an upper end positioned for encirclement by the free falling rings. A vertically disposed support column is positioned adjacent to the mandrel. Upper and lower coil plate assemblies are carried by and vertically adjustable on the support column. A drive system vertically adjusts the coil plate assemblies in a descending manner in which the free falling rings encircling the mandrel are initially accumulated on the upper coil plate assembly before being transferred onto the lower coil plate assembly. | 05-29-2014 |
20140138883 | MELTING REDUCTION ASSEMBLY AND METHOD FOR OPERATING A MELTING REDUCTION ASSEMBLY - A melting reduction assembly ( | 05-22-2014 |
20140110891 | METHOD AND DEVICE FOR CHARGING COAL-CONTAINING MATERIAL AND IRON CARRIER MATERIAL - A melter gasifier of a smelting reduction installation is charged by bringing together coal-containing material in lump form and iron carrier material (which may be hot) before and/or while they enter the melter gasifier. The ratio of the combined amounts of iron carrier material and coal-containing material in lump form is variable. The combined amounts of iron carrier material and coal-containing material in lump form are distributed over the cross section of the melter gasifier by a dynamic distributing device, and the ratio of the combined amounts of the iron carrier material and coal-containing material in lump form is set depending on the position of the dynamic distributing device. | 04-24-2014 |
20140083252 | REDUCTION OF METAL OXIDES USING GAS STREAM CONTAINING BOTH HYDROCARBON AND HYDROGEN - A gas stream containing both hydrocarbon and hydrogen is separated into a hydrogen-rich fraction and a hydrocarbon-rich fraction. Then at least one sub-quantity of the hydrocarbon-rich fraction is subjected to at least one operation from the group oxidation using technically pure oxygen and reforming using CO | 03-27-2014 |
20140072824 | METHOD FOR PRODUCING MICROALLOYED TUBULAR STEEL IN COMBINED CASTING-ROLLING INSTALLATION AND MICROALLOYED TUBULAR STEEL - A method allows microalloyed tubular steel to be produced economically, with operational reliability and with high quality. | 03-13-2014 |
20140070040 | GUIDE WITH ADJUSTABLE NOSE CONE - A guide is adapted to be positioned for encirclement by a helical formation of rod rings free falling from the delivery end of a. conveyor. The guide comprises a vertically projecting mandrel terminating at its upper end in a nose cone. The nose cone has a horizontal profile defined in part by at least one element having an outer edge separated by a variable radial distance from a central axis of the mandrel. | 03-13-2014 |
20140070039 | ROLLING MILL COIL-FORMING LAYING HEAD WITH UNISTRUCTURAL PATH AND DEFLECTOR GUIDE TROUGH SUPPORT - A rolling mill coil-forming laying head apparatus includes a driven rotating quill that discharges elongated material into an elongated path hollow structure, such as a laying head pipe and a downstream deflector guide trough. The path and deflector guide trough structures are supported by a unistructural permanently-formed housing having integral elongated hollow pathway structure, deflector guide trough, and quill mounting support extensions formed therein. | 03-13-2014 |
20140042677 | PROCESS AND DEVICE FOR PRODUCING PIG IRON OR LIQUID STEEL PRECURSORS - A process for producing pig iron or liquid primary steel products in a smelting unit ( | 02-13-2014 |
20130312548 | AUTOMATED INSERTION OF A CONTACT ROD INTO A METALLURGICAL PROBE - A metallurgical probe has a probe longitudinal axis and an open end face. The probe is fitted within a bearing point in such a manner that the open end face faces a predetermined insertion direction. The bearing point has probe centering elements to hold the probe in a predetermined probe position as seen transversely with respect to the probe longitudinal axis. A device inserts an end of the contact rod into a contact rod centering device, in an insertion direction running transversely with respect to the probe longitudinal axis, until the end of the contact rod is positioned, on account of the insertion into the contact rod centering device, in a predetermined contact rod position, in which the end of the contact rod is opposite the open end face. The contact rod is then moved in a direction of the probe longitudinal axis and is inserted into the probe. | 11-28-2013 |
20130186157 | DUAL CASCADE CONTROL SYSTEM FOR A LONG ROLLING MILL - A system for maintaining a continuous speed in a long rolling mill is provided that includes a plurality of guide rollers that feed a billet product from a caster to an entry roll stand along a mill pass line to an exit roll stand. Also, the system includes a plurality of gauges positioned at a plurality of locations along the mill pass line, the gauges perform speed measurement of the billet product passing along the guide rollers. Furthermore, the system includes a logic controller that receives the speed measurement and maintains a speed relationship where the speed between the caster and the entry roll stand is constant as well as the exit speed of the end roll stand is also constant. | 07-25-2013 |
20120313300 | PROCESS AND APPARATUS FOR PRODUCING METALS AND/OR PRIMARY METAL PRODUCTS - The invention relates to an apparatus for producing metals and/or primary metal products, in particular pig iron and/or primary pig iron products, in which a metal-containing charge material, in particular in fine particle form, is introduced, using pneumatic conveying, by means of a carrier gas stream, in the form of a stream of medium formed from the charge material and the carrier gas stream, into a melting unit, in particular a melter gasifier, for further processing. According to the invention, the charge material is introduced after the carrier gas stream has been separated off and separately at at least two introduction points, so that at least two partial quantities of the charge material can be introduced independently of one another and continuously or in stacked form. | 12-13-2012 |
20120174710 | REFORMER-GAS-BASED REDUCTION PROCESS WITH DECARBONIZATION OF THE FUEL GAS FOR THE REFORMER - In a process and apparatus for the reduction of metal oxides to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of—a gas containing carbon dioxide (CO | 07-12-2012 |
20110285067 | METHOD FOR PRODUCING LIQUID PIG IRON OR LIQUID STEEL INTERMEDIATE PRODUCTS FROM FINE-PARTICLED MATERIAL CONTAINING IRON OXIDE - A method for producing liquid pig iron or liquid steel intermediate products from fine-particled material containing iron oxide. The fine-particled material is prereduced in at least one prereduction stage and reduced in a final reduction stage to sponge iron. The sponge iron is melted in a melt-down gasification zone, with carbon carriers and oxygen-containing gas supplied. A CO- and H2-containing reduction gas is generated and introduced into the final reduction stage, is converted there, is drawn off and introduced into at least one prereduction stage, converted there and drawn off. A first quantity fraction of the fine-particled material containing iron oxide is introduced into a melt-down gasification zone via at least one prereduction stage and one final reduction stage, and a further quantity fraction of the fine-particled material containing iron oxide is introduced into the melt-down gasification zone directly or together with the carbon carriers and the oxygen-containing gas. | 11-24-2011 |