| Patents for F27B 19 - Combinations of different kinds of furnaces that are not all covered by any single one of main groups (670) |
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| 05/26/2010 | CN101196370B Novel combined cement clinker roasted and waste heat generation system and technique |
| 05/12/2010 | CN101191149B Coal gasification-pore iron ore magnetic roasting coupling technique and device |
| 04/21/2010 | CN201440037U Device for recovering valuable metal from zincy slag |
| 04/21/2010 | CN201440036U Equipment for smelting phosphorus with hot method |
| 03/17/2010 | CN101672573A Metallic lithium vacuum distillation purification device |
| 02/23/2010 | CA2341898C A direct smelting process |
| 02/17/2010 | CN101650125A Equipment for refining phosphorus by hot method |
| 02/10/2010 | CN201402045Y Kiln head bayonet structure of chain grate-rotary kiln system |
| 02/10/2010 | CN201402044Y Integration device for sintering of electric furnace |
| 02/10/2010 | CN101644537A Double-chamber vacuum oriented smelting furnace and use method thereof |
| 02/03/2010 | CN101639326A Smelting furnace |
| 01/13/2010 | CN100579689C Nano precision sintering system |
| 12/30/2009 | CN101614476A Volatile communication structure for end furnace chambers of carbon secondary roasting furnace |
| 12/23/2009 | CN101608866A Predecomposition kiln tail system outside of cement kiln, which can treat raw materials with combustibles |
| 12/16/2009 | EP2132344A1 Method and system for the supply of hot direct reduced iron for multiple uses |
| 12/02/2009 | CN100564545C Method and device for producing liquid steel |
| 09/23/2009 | CN201314786Y Sintering system |
| 09/16/2009 | CN100541098C Copper casting system for producing oxygen-free copper |
| 09/09/2009 | CN201306923Y Stable guiding furnace |
| 08/26/2009 | EP1792133B1 Device for producing liquid steel |
| 08/26/2009 | CN201297860Y Device for calcining cement by utilizing acetylene sludge to completely substitute the limestone |
| 08/19/2009 | CN101509727A Combination metallurgical furnace for producing zinc alloy and zinc alloy combination producing method |
| 08/12/2009 | CN201289303Y Device for connecting smelting furnace and maintaining furnace |
| 08/05/2009 | CN100523233C Energy-saving and environmental-protection refining furnace |
| 07/01/2009 | CN101469940A Annular region smelting furnace |
| 06/25/2009 | WO2009077654A1 Suspension smelting furnace |
| 06/03/2009 | CN201251361Y Mineral external-heating reduction roaster |
| 05/28/2009 | DE102007057237A1 Tunnelofen für die Temperaturbehandlung von Waren Tunnel furnace for the thermal treatment of goods |
| 05/20/2009 | CN201239788Y Body of smelting furnace for copper tube |
| 05/20/2009 | CN201239787Y Smelting furnace for copper tube |
| 05/13/2009 | CN201236204Y Link type electric furnace capable of implementing safety water pass |
| 05/06/2009 | CN101423900A Magnesium alloy large-sized continual smelting system |
| 04/29/2009 | CN101418408A Arrangement of energy-saving type steel-smelting workshop |
| 04/08/2009 | CN201217678Y Smelting and cleaning treatment furnace for renewable resources intermediate alloy of nickel |
| 04/08/2009 | CN201217671Y Cooling tank for thermal treatment electric furnace set |
| 03/18/2009 | CN201210007Y Vacuum smelting furnace device for smelting neodymium-iron-boron to make ingot |
| 03/18/2009 | CN101386897A Iron-smelting technology of SDRF furnace |
| 03/11/2009 | CN101381813A Modularized reducing furnace |
| 03/04/2009 | CN201203350Y Dust-removing mechanism of rotary kiln chain grid machine |
| 03/04/2009 | CN201203349Y Multichannel energy-saving kiln |
| 02/18/2009 | CN100462467C Whole set smelting device for ferrotitanium series product |
| 02/11/2009 | CN201193235Y High-temperature burden guiding device between pre-reducing furnace and final-reducing furnace |
| 02/04/2009 | CN201191132Y Energy-conserving type circling smelting furnace |
| 01/28/2009 | CN201187944Y Conveying device of high temperature direct reduced iron |
| 01/28/2009 | CN201187943Y Split combined type microwave heating smelting reduction furnace |
| 01/28/2009 | CN201186349Y Oxygen-free copper ingot continuous converting casting furnace |
| 01/21/2009 | CN101347824A Smelting furnance of copper tube |
| 12/31/2008 | CN101333575A Process for pre-reducing fine iron ore and device thereof |
| 12/03/2008 | CN101317067A Unit for processing pulverized lead- and zinc-containing raw material |
| 11/19/2008 | CN201151736Y Improved device for producing 2# antimony by arsenic-containing lead-antimony alloy |
| 11/19/2008 | CN101307988A Combined method for reducing furnace and calcine furnace and the furnace |
| 11/19/2008 | CN101307372A Device for manufacturing and reducing crust pellet and production process |
| 10/08/2008 | CN101280367A Method for smelting aluminum ore by carbon thermal reduction and non-ferrous metal smelting furnace therefor |
| 10/08/2008 | CN101280349A High-temperature burden guiding device between pre-reducing furnace and final-reducing furnace |
| 10/01/2008 | CN101274364A Furnace for converting and casting oxygen-free copper ingot |
| 09/10/2008 | CN101261080A Split combination type microwave heating baking reducing furnace |
| 09/03/2008 | CN201110719Y Material charging apparatus suitable for long and short heating furnace |
| 08/20/2008 | CN100412213C Non-ferrous metal smelting device |
| 08/19/2008 | CA2309139C Fluidized-bed gasification and combustion furnace |
| 07/09/2008 | CN101216248A Copper casting system for producing oxygen-free copper |
| 07/09/2008 | CN101216247A Copper casting system chute and casting furnace jointing structure |
| 06/11/2008 | CN101196370A Novel combined cement clinker roasted and waste heat generation system and technique |
| 06/04/2008 | CN101191149A Coal gasification-pore iron ore magnetic roasting coupling technique and device |
| 05/21/2008 | EP1573076B1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
| 04/23/2008 | CN100383265C High performance. Energy saving, environmental protective heat storage type refinery furnace for metal magnesium |
| 03/26/2008 | CN101148707A Zinc rectification method and zinc rectification furnace |
| 03/05/2008 | CN201031249Y Ferrotitanium line products rapid heating device |
| 03/05/2008 | CN201031247Y Ferrotitanium line products smelting complete equipment |
| 03/05/2008 | CN101135004A Heat insulating method for reduction tank slag hole and reduction tank prepared by the method |
| 01/23/2008 | EP1880028A1 Method for recovering metals from waste and other materials comprising organic components |
| 01/16/2008 | EP1877714A1 Reduction furnace |
| 01/16/2008 | CN100362119C Multiple heat resources-electric warming magnesium smelting apparatus and process |
| 11/28/2007 | CN200981885Y Energy-saving and environmental-protecting fining furnace |
| 11/21/2007 | EP1492893B1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 11/14/2007 | CN101072975A Method and device for producing liquid steel |
| 11/14/2007 | CN101070558A Baking-melting reduction iron smelting method, apparatus and raw amterial |
| 11/07/2007 | CN101068640A Nano precision sintering system |
| 10/31/2007 | CN200968776Y Multifunctional industry furnace |
| 10/25/2007 | WO2007120026A1 Unit for processing pulverized lead- and zinc-containing raw material |
| 10/24/2007 | CN200964432Y Zinc rectifying furnace |
| 10/17/2007 | CN101054648A Whole set smelting device for ferrotitanium series product |
| 10/04/2007 | US20070227196 Method and Device for Producing Mineral Fibres |
| 10/03/2007 | EP1839782A1 Nanoprecision sintering system |
| 09/12/2007 | CN200946160Y Waste hard alloy furnace reclaiming with zinc-fusion method |
| 08/22/2007 | CN2937100Y Three-range type alkali fusion furnace |
| 08/07/2007 | CA2236587C Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 08/02/2007 | DE10215828B4 Verfahren und Einrichtung zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl Method and apparatus for producing stainless steel, particularly of chrome or stainless steel chromnickelhaltigem |
| 07/11/2007 | CN2921036Y Blowing furnace and condensing kiln for extracting zinc and likes non-ferrous metals |
| 07/11/2007 | CN1995416A 有色金属冶炼装置 Non-ferrous metal smelting plant |
| 06/21/2007 | WO2006032347A3 Method and device for producing liquid steel |
| 06/20/2007 | CN2914002Y Energy-saving highly effective integrated corundum kiln furnace |
| 06/13/2007 | CN2911578Y Integrated external heat storage ind. furnace |
| 06/13/2007 | CN2910929Y Gas producer |
| 06/06/2007 | EP1792133A2 Method and device for producing liquid steel |
| 05/30/2007 | CN2905820Y Apparatus for producing and casting aluminum silicon alloy |
| 05/23/2007 | EP1788332A1 Thermal treatment plant with energy recovery for light alloy elements |
| 05/23/2007 | CN1967124A Thermal-insulation smelting composite furnace for non-ferrous metal |
| 05/23/2007 | CN1966744A Energy-saving and environmental-protection refining furnace |
| 04/11/2007 | CN1945186A Roasting device for reducing hematite, brown iron ore and siderite |
| 03/28/2007 | CN2884104Y Integrated furnace for smelting and temp.-keeping |