| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 12/18/2008 | WO2008151385A1 Anchor system for refractory lining |
| 12/18/2008 | US20080308979 Composite Sparger |
| 12/18/2008 | DE102005038413B4 Gasabdichtung für Hochöfen Gas seal for blast furnaces |
| 12/18/2008 | CA2690908A1 Anchor system for refractory lining |
| 12/17/2008 | EP2002191A2 Cooling device for use in an electric arc furnace |
| 12/17/2008 | CN201165528Y Blast furnace distributor |
| 12/17/2008 | CN201165527Y Three-point suspension distributor |
| 12/17/2008 | CN201165526Y Bidirectional swinging distributor |
| 12/17/2008 | CN201165525Y Blast furnace alloy chute |
| 12/16/2008 | US7465422 Cooling element |
| 12/11/2008 | US20080302213 use to smelt an iron containing feed material to produce molten iron in accordance with the HIsmelt process, direct smelting of iron ore |
| 12/11/2008 | US20080302211 Moving separate or separable containers containing a mixture of iron oxide and carbonaceous material through the furnace zone to the discharge end; preheating; reducing; melting and fusing iron and slag formed; discharging from containers, and returning empty containers to the charging end of the furnace |
| 12/11/2008 | DE102007026509A1 Vorrichtung und Verfahren zum Verschließen oder Öffnen einer Öffnung, insbesondere Bodenöffnung eines Materialbunkers für einen Hochofen und Hochofen mit einer derartigen Vorrichtung Apparatus and method for closing or opening an opening, in particular a bottom opening of the bunker material for a blast furnace and blast furnace with such a device |
| 12/10/2008 | EP2000547A2 Device and method for sealing or opening an opening, in particular floor opening of a material bunker for a furnace and furnace with such a device |
| 12/10/2008 | CN201162494Y Drill bit alloy piece |
| 12/10/2008 | CN201162018Y Blast furnace principal sulcus liquid level difference measuring apparatus |
| 12/10/2008 | CN201162017Y Vertical stream evening apparatus |
| 12/10/2008 | CN201162016Y Iron notch drill conveniently replacing jackrod and preventing injection article |
| 12/10/2008 | CN201161834Y Concentrated phase multipath fluidization blowing tank |
| 12/10/2008 | CN101322003A Cooling element and method for manufacturing the same |
| 12/10/2008 | CN101319256A Intelligent monitoring method for cooling wall of blast furnace |
| 12/10/2008 | CN101319255A Device and method for sealing or opening an opening, in particular floor opening of a material bunker for a furnace and furnace with such a device |
| 12/08/2008 | CA2633670A1 Apparatus and method for closing or opening an opening, especially a bottom opening of a material hopper for a blast furnace, and blast furnace having such an apparatus |
| 12/04/2008 | US20080295647 Minimizing a fuel rate by injecting fine carbonaceous materials into the melter-gasifier and supplying a reducing gas having enhanced reduction power made from volatile matters from the lumped carbonaceous materials and the fine carbonaceous materials; efficiency steels; industrial scale |
| 12/03/2008 | EP1997915A1 Method for controlled coke burning in cupola furnaces |
| 12/03/2008 | CN201158673Y Device for fast judging sealing valve plate eccentric center of blast furnace |
| 12/03/2008 | CN201158672Y Cooling water monitoring device for fast cooling blast furnace |
| 12/03/2008 | CN201158671Y Charging device for distributing bulk materiel |
| 12/03/2008 | CN201158670Y Brick embedding construction for refrigeration wall of ironmaking furnace |
| 12/03/2008 | CN201158669Y Furnace wall brick work joint filling device of smelting furnace |
| 12/03/2008 | CN201158668Y Multilevel segmented heating transportation pipe for blast furnace coal injection |
| 12/03/2008 | CN201158667Y Lump explosion instrument |
| 12/03/2008 | CN201158666Y Multifunctional regulation blowing tank |
| 12/03/2008 | CN101315087A Hydraulic system of blast furnace gun |
| 12/03/2008 | CN101314800A Blast furnace gas cloth bag dedusting process |
| 11/27/2008 | WO2008141347A1 Method for working up metal oxide-containing dusts or slag and device for carrying out this method |
| 11/27/2008 | US20080290567 Rotary Charging Device for a Shaft Furnace Equipped with a Cooling System |
| 11/27/2008 | US20080289449 Method for measuring an outline of a stratum of a reactant and a path of charging the reactant in a blast furnace |
| 11/26/2008 | EP1994186A2 Spray quench systems for heat treated metal products |
| 11/26/2008 | CN201154970Y Levelling pole for tip of coke stack fed in blast furnace |
| 11/26/2008 | CN201154969Y Iron notch mud gun spherical fireproof cap |
| 11/26/2008 | CN201154968Y Front spray gun of blast furnace |
| 11/26/2008 | CN100436997C Melt launder |
| 11/19/2008 | CN201151724Y Flange for blast furnace hot blast stove |
| 11/19/2008 | CN101307652A Blast furnace bottom heat resisting foundation pier dismantling method |
| 11/19/2008 | CN100434537C Blast furnace carbon bottom cooler and its installation method |
| 11/19/2008 | CN100434536C Method of manufacturing a cooling plate and a cooling plate manufactured with this method |
| 11/18/2008 | US7452497 Furnace sidewall structure of rotary hearth furnace |
| 11/18/2008 | US7452401 jet of oxygen is discharged from a convergent-divergent passageway of a nozzle at a supersonic velocity as part of a structured jet having an outer circumferential region composed of a mixture of fuel and oxygen that auto-ignites and combusts in the furnace atmosphere and not within the nozzle |
| 11/13/2008 | WO2008135505A1 Method for constructing a support ring in a curved wall |
| 11/13/2008 | US20080277843 Method for Supersonically Injecting Oxygen into a Furnace |
| 11/13/2008 | CA2684334A1 Method for constructing a support ring in a curved wall |
| 11/12/2008 | EP1990429A1 Method for constructing a support ring in a curved wall |
| 11/12/2008 | CN201148441Y Blast furnace chute cloth regular experimental device |
| 11/12/2008 | CN101305104A Method for supersonically injecting oxygen into a furnace |
| 11/12/2008 | CN101302567A Ironmaking blast furnace hydrocyclone fluidized strengthen water-cooled wall apparatus |
| 11/12/2008 | CN100432265C Nickle chromium cobalt iron alloy and its smelting tech. process and equipment of blast furnace opening of blocking slag |
| 11/06/2008 | US20080272525 Cooling Element and Method for Manufacturing the Same |
| 11/05/2008 | EP1987168A1 Charging device for a shaft furnace |
| 11/05/2008 | CN201144251Y Cylinder of blast furnace gas all-dry method dust remover |
| 11/05/2008 | CN201144250Y Chemical dosing scaling device for generating set of TRT of blast furnace gas |
| 11/05/2008 | CN201144249Y Wear-resistant chute of bell-less ironmaking blast furnace |
| 11/05/2008 | CN100430490C Iron-storing notch of blast furnace |
| 11/04/2008 | US7445678 Maraging steel and method of producing the same |
| 10/30/2008 | WO2008078933A9 Metohd and apparatus for treating return ores using plasma |
| 10/30/2008 | US20080264206 Cooling system arranged downstream of furnace for cooling the iron sinter and includes convective cooling system for forcing air into the sinter; efficient, rapid and uniform cooling |
| 10/29/2008 | EP1984530A2 Method for the direct reduction of iron oxides to metallic iron utilizing coke oven gas or the like |
| 10/29/2008 | CN201141032Y Cloth sliding chute |
| 10/29/2008 | CN101297047A Method and device for charging feedstock |
| 10/23/2008 | US20080257109 High Vacuum In-Situ Refining Method for High-Purity Materials and an Apparatus Thereof |
| 10/22/2008 | EP1982000A1 Bleeder valve for pressurised furnace |
| 10/22/2008 | CN201136875Y Silicon carbide wear resistant ceramic sluice inner lining for blast furnace |
| 10/22/2008 | CN201136874Y High-temperature-resistant distributing chute for blast furnace |
| 10/22/2008 | CN201136873Y Single plate bracket joint for blast furnace charging system |
| 10/22/2008 | CN201136872Y Fixed bracket joint for blast furnace charging system |
| 10/22/2008 | CN101292048A Induction powered ladle bottom nozzle |
| 10/22/2008 | CN101289698A Blast furnace pressing-in grouting and lining-making construction method |
| 10/22/2008 | CN101289696A Very long distance concentrated phase conveying process for coal fines |
| 10/22/2008 | CN100427613C Method for protecting a tuyere assembly and a refractory lining of a furnace |
| 10/16/2008 | US20080250899 Using reducing agent; heating ; reducing metal oxide in slag to melt metals; solidification |
| 10/15/2008 | CN201133260Y Steel-smelting blast furnace steam electric generating unit |
| 10/15/2008 | CN201132839Y Novel furnace top charging device |
| 10/15/2008 | CN201132838Y Heat insulating slab at bottom of blast furnace tapping region |
| 10/15/2008 | CN101285108A Process for charging in bell-less top of blast furnace |
| 10/15/2008 | CN100425705C Blocking method for cooling wall cooling pipeline of iron making blast furnace |
| 10/08/2008 | EP1977018A1 Multiple hopper charging installation for a shaft furnace |
| 10/08/2008 | CN201128743Y Stock rod for aerial survey of blast furnace burden level information |
| 10/08/2008 | CN101280347A Blast furnace-converter interface í«compact one tank modeí» process |
| 10/08/2008 | CN100424189C Method for reclaiming and cyclic utilizing residue molten steel slag in steel making |
| 10/08/2008 | CN100424188C Coal powder injection technological process for blast furnace and special pulverized coal feeder thereof |
| 10/08/2008 | CN100424041C Waterless taphole mix for blast furnace taphole |
| 10/01/2008 | EP1975532A1 Rotary batch distributor |
| 10/01/2008 | EP1975258A1 Protective-united carbonaceous block for blast furnace and method of constructing blast furnace with carbonaceous block |
| 10/01/2008 | EP1974059A1 Three hopper charging installation for a shaft furnace |
| 10/01/2008 | CN201125251Y Heat-resisting cast iron intensification tap-hole gun head and cap |
| 10/01/2008 | CN201125250Y Blast furnace body soft water cooling structure |
| 10/01/2008 | CN201125249Y Blast furnace material-feeding apparatus with even material plate |
| 10/01/2008 | CN201124072Y Dust cleaning apparatus for blast furnaces burner gas |
| 10/01/2008 | CN100422348C Dual-lever four-hanging-point synchronous-driven blast furnace top down spouting distributing device |
| 09/25/2008 | US20080232940 Charging Device for a Shaft Furnace |