| Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401) |
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| 02/25/2009 | CN201198486Y Novel water-saving hot blast valve |
| 02/18/2009 | CN201196101Y Power generation apparatus by waste heat of CO2 working medium steelworks |
| 02/18/2009 | CN101368221A Dehumidification air feeding device for ironmaking blast furnace |
| 02/11/2009 | CN101363067A Combined double preheating device |
| 02/04/2009 | CN201190166Y Refractory ball of ball type hot-air furnace |
| 01/21/2009 | CN101348841A Hot-air stove box type beam assembling and welding method |
| 01/21/2009 | CN101348840A Large vault preassembling method |
| 01/15/2009 | WO2009008758A1 Air heater |
| 01/15/2009 | CA2679466A1 Hot air stove |
| 01/07/2009 | CN101338346A Process for coating fire-resistant material on hot blast valve plate |
| 12/31/2008 | CN201172667Y Lithium bromide blasting and dehumidifying device by using blast furnace waste heat |
| 12/31/2008 | CN201172666Y Single-blower fan multipath purger for blast furnace |
| 12/31/2008 | CN101333574A Micro-water energy-conserving hot air valve plate |
| 12/31/2008 | CN101333573A Micro-water energy-conserving hot air valve body |
| 12/31/2008 | CN101333572A External sealing valve cap of hot-blast valve |
| 12/31/2008 | CN101333571A Water cooled valve plate of hot blast valve |
| 12/31/2008 | CN101333570A Hot blast valve plate |
| 12/24/2008 | CN201168689Y Vibration screen under groove |
| 12/24/2008 | CN101328521A Hot blast valve water cooled valve body |
| 12/24/2008 | CN101328520A Micro-water energy-saving hot air valve cover |
| 12/24/2008 | CN101328519A Hot air valve cover |
| 12/24/2008 | CN101328518A Hot air valve body |
| 12/17/2008 | CN201165529Y High temperature compensator |
| 12/03/2008 | CN201158675Y Solution-dehumidification blast furnace blower device |
| 12/03/2008 | CN201158674Y Renovation spray coating device for inner wall of blast furnace hot wind short tube |
| 11/13/2008 | WO2008135506A1 Ceramic burner |
| 11/13/2008 | WO2008135505A1 Method for constructing a support ring in a curved wall |
| 11/13/2008 | CA2684338A1 Ceramic burner |
| 11/13/2008 | CA2684334A1 Method for constructing a support ring in a curved wall |
| 11/12/2008 | EP1990575A1 Ceramic burner |
| 11/12/2008 | EP1990429A1 Method for constructing a support ring in a curved wall |
| 11/05/2008 | CN100430649C Flame length controllable high-efficient burner |
| 10/22/2008 | EP1982000A1 Bleeder valve for pressurised furnace |
| 10/22/2008 | CN201136876Y Hot-blast oxygen-enriched sintering head |
| 10/08/2008 | CN201128744Y Grid type combustion apparatus for top-firing hot blast stove |
| 09/24/2008 | CN201121197Y Stove blower rolling gear |
| 09/24/2008 | CN201121196Y Warm air pipe operational layer brick |
| 09/03/2008 | CN201109786Y Self force type pressure regulating valve set |
| 08/28/2008 | WO2008101812A1 Blast furnace plant and method of operating hot stoves in a blast furnace plant |
| 08/27/2008 | EP1961828A1 Blast furnace plant and method of operating heating stoves in a blast furnace plant |
| 08/27/2008 | CN201106056Y Multifunctional multidirectional intelligent air supplying-dispensing device |
| 08/27/2008 | CN101250603A Top burning hot blast stove with slope-ladder shaped circumferential loop up-spraying ceramic combustor |
| 08/21/2008 | US20080199820 Support Assembly For Supporting Heat Regeneration Checker Work In A Hot Blast Stove, Hot Blast Stove Provided With Said Support Assembly, Method Of Producing Hot Air Using Said Hot Blast Stove |
| 08/21/2008 | US20080197546 Metal heat treatment system hot-gas quenching apparatus and hot-gas heat treatment system |
| 08/20/2008 | CN201102967Y Double-seat anti-surge valve |
| 08/20/2008 | CN201102966Y Hot-blast stove cold air blast distributer |
| 08/20/2008 | CN201102965Y Hot-blast stove flue-gas distributer |
| 08/20/2008 | CN101244419A Vibrating screen under groove |
| 08/20/2008 | CN100412495C Heat exchanger with covering layer |
| 08/13/2008 | CN101240358A Solution moisture-removing blast furnace blowing device and method |
| 08/06/2008 | CN201095642Y Energy-saving water-saving long life hot blast valve |
| 07/23/2008 | CN201089773Y Common hot air valve body |
| 07/23/2008 | CN100404697C Valve plate of hot air valve |
| 07/23/2008 | CN100404459C Refractory ball for blast furnace ball type hot-blast stove |
| 07/16/2008 | CN201087197Y Electric linked double-blast furnace blower system |
| 07/16/2008 | CN101219906A Zirconium corundum porzite flame-proof sphere |
| 07/16/2008 | CN101219905A Flame-proof sphere of aluminum zirconium chromium |
| 07/02/2008 | CN100398668C Technological process and apparatus for heating high concentration CO and other reducing gas |
| 06/18/2008 | CN100395352C Hot blast stove burning method |
| 06/11/2008 | CN100393890C Hot blast furnace with mixed burner at top part |
| 05/07/2008 | CN201056575Y Novel ball-shaped hot-blast stove |
| 04/23/2008 | EP1914322A1 Refractory burner brick |
| 04/16/2008 | CN201046971Y Slag-filling preventing blast furnace venting branch pipe |
| 04/16/2008 | CN201046970Y Tuyere slag-filling preventing automatic control device for blast furnaces |
| 04/15/2008 | CA2284167C Combined installation of a furnace and an air distillation apparatus and use method |
| 04/10/2008 | US20080083484 Method to form a pattern of functional material on a substrate |
| 04/09/2008 | CN101157960A Three-stage cooling energy-saving type blast furnace dehumidifying machine |
| 04/02/2008 | CN201043181Y Full-linearity flow regulation valve |
| 04/02/2008 | CN201043180Y High temperature flow regulation valve |
| 04/02/2008 | CN201043179Y Full-linearity high temperature flow regulation valve |
| 03/26/2008 | CN201040761Y Hot blast stove checker brick supporting device |
| 03/05/2008 | CN201031233Y Pipeline type air flow distribution homogeneous blower device for hot-air stove |
| 02/28/2008 | US20080047691 Heat Exchanger |
| 02/27/2008 | CN100371462C Blast furnace hot-blast stove combustion automatic control method based on example inference |
| 02/20/2008 | EP1889926A1 Method of stabilising a refractory inner wall of a hot blast generating device and use thereof in a hot repair method |
| 02/20/2008 | CN201024182Y Wind water composite cooling hot blast valve |
| 02/20/2008 | CN101128606A Support assembly for supporting heat regeneration checker work in a hot blast stove, hot blast stove provided with said support assembly, method of producing hot air using said hot blast stove |
| 02/13/2008 | CN201021454Y Joint pipe |
| 01/23/2008 | EP1881286A1 Method and device for feeding a medium into a thermal treatment chamber |
| 12/26/2007 | CN200996026Y Assembled heat-exchanging system for realizing hot blast furnace |
| 12/26/2007 | CN100357456C Efficien hot-blast stove |
| 12/12/2007 | CN200988845Y Energy saving type hot air valve |
| 11/21/2007 | CN200978287Y Hot air casting system |
| 11/21/2007 | CN101074453A Efficient economical dust collecting method and dust collector for iron-smelting blast furnace |
| 11/14/2007 | CN100349081C Harmonization control method for blast furnace hot blast stove system |
| 10/24/2007 | EP1846581A2 Support assembly for supporting heat regeneration checker work in a hot blast stove, hot blast stove provided with said support assembly, method of producing hot air using said hot blast stove |
| 10/24/2007 | CN100344772C Top burning type hot blast stove with thermal insulation layer in precombustion chamber |
| 10/10/2007 | EP1751486A4 Heat exchanger |
| 10/03/2007 | CN200955057Y Novel blast-furnace air-blasting dehumidifying device |
| 10/03/2007 | CN200955054Y Novel blast-furnace after-heat recovering-utilizing system |
| 09/26/2007 | CN101044254A Device for protecting metallic surfaces from condensates of high-temperature corrosive media in technical installations |
| 09/26/2007 | CN100339337C Preparation method of high-strength high-alumina refractory ball for smelt |
| 09/19/2007 | CN200949109Y Group-welding structural high furnace blast tube |
| 09/05/2007 | EP0970336B1 Combined installation of a furnace and an air distillation apparatus and use method |
| 09/05/2007 | CN200943095Y Compensator equipped with double-sphere inosculating joint |
| 09/05/2007 | CN200943094Y Blast branch tube compensator with angular displacement display |
| 09/05/2007 | CN200943093Y Energy-saving long-life blast branch tube |
| 09/05/2007 | CN100335658C Energy-saving hot blast valve using little water |
| 08/29/2007 | CN101024859A Ball-shape top-burning type hot-air furnace with annular-arranged vertical up-spray burner |
| 08/17/2007 | CA2577050A1 Melted alumina grain - titanium oxide - zircon |