| Patents for C21B 7 - Blast furnaces (8,339) |
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| 03/16/2005 | CN2685347Y Sealing device between distributing device rotary sleeve and airtight box body |
| 03/16/2005 | CN2685346Y Dismounting equipment for blast furnace tuyere small cover |
| 03/16/2005 | CN1596315A Raw material charging method for bell-less blast furnace |
| 03/16/2005 | CN1594602A Coal powder injection technological process for blast furnace and special pulverized coal feeder thereof |
| 03/09/2005 | CN2683662Y Distributor for blast furnace bell-less top |
| 03/03/2005 | WO2002090726A3 Work recovery from process involving steam generation |
| 03/03/2005 | DE102004036767A1 Production of pig iron comprises subjecting top gas recycled from blast furnace process to absorptive or adsorptive process to remove carbon dioxide, and further processing |
| 02/24/2005 | DE10336650A1 Verwendung von TiO2-Rückständen aus dem Sulfatverfahren Use of TiO2 residues from the sulphate process |
| 02/23/2005 | CN2680678Y Tuyeres of blast furnace |
| 02/23/2005 | CN2680677Y Intelligent monitoring apparatus for cooling system of blast furnace |
| 02/23/2005 | CN1190504C Blast furnace able to visually detect leakage of cooled wall |
| 02/23/2005 | CN1190503C Cooling wall of blast furnace and its manufacturing technology |
| 02/22/2005 | US6857872 Device for loading a shaft furnace |
| 02/17/2005 | WO2005014867A2 Use of tio2 residues from a sulfate method |
| 02/17/2005 | DE10333569A1 Einrichtung zur Verteilung von Schüttgut in wenigstens zwei oberhalb der Gicht eines Hochofens angeordnete Bunker Means for distribution of bulk material in at least two above the top of a blast furnace arranged Bunker |
| 02/16/2005 | EP1381699B1 Cooling plate |
| 02/16/2005 | CN1580290A Blast furnace red-slag safety sliding device |
| 02/16/2005 | CN1189417C Baking-free rumming mass for iron tap channel of blast furnace and uts preparation method |
| 02/09/2005 | CN1576378A Charge distributing device in at least two parts above a bunker installed at the shaft furnace top |
| 01/26/2005 | EP1500888A1 Charge distributing device in at least two parts above a bunker installed at the shaft furnace top |
| 01/26/2005 | EP1309731A4 Furnace-wall cooling block |
| 01/26/2005 | CN2673878Y Cross-like temp. testing device for blast-furnace |
| 01/26/2005 | CN2673877Y Buffering pull-rod device |
| 01/26/2005 | CN2673876Y Air inlet device for blast-furnace |
| 01/26/2005 | CN2673875Y Anti-permeation and anti-floating type ceramic underlay for blast-furnace |
| 01/26/2005 | CN1571910A Melt launder |
| 01/26/2005 | CN1571909A Cooling plate with reinforcement |
| 01/26/2005 | CN1569747A Refractory material for blast furnace gas cover |
| 01/26/2005 | CN1186463C Device for distributing bulk materials with rotary chute having a variable angle of inclination |
| 01/25/2005 | US6847804 Apparatus and method for testing micropower short-wave frequency-modulated digital radio |
| 01/25/2005 | US6846763 Refractory repair material batch |
| 01/20/2005 | WO2005005669A1 An apparatus for operating a distribution chute for charging ores and coals into a furnace |
| 01/19/2005 | CN2672078Y Electric duster for blast furnace gas purifying |
| 01/19/2005 | CN2672077Y Composite gun head of blast furnace clay gun |
| 01/19/2005 | CN2672076Y 复合孔型钢板冷却壁 Composite Hole wall plate cooling |
| 01/19/2005 | CN2672075Y Cold area free water tank for blast furnace |
| 01/19/2005 | CN2672074Y Furnace top atomizing water spray device for blast furnace material falling surface |
| 01/18/2005 | US6843958 Copper cooling plate for metallurgical furnaces |
| 01/12/2005 | EP1496128A1 Sensor for defining the distribution of burden material in metallurgical units |
| 01/12/2005 | EP1496127A2 Device to close or open the bottom of a charging unit of a blast furnace |
| 01/12/2005 | CN2670369Y Copper cooling wall with hook-headed on hot face |
| 01/12/2005 | CN2670368Y Copper cooling wall with hook-headed on cool face |
| 01/12/2005 | CN2670367Y Cooling column for self slagging of blast furnace |
| 01/05/2005 | EP1493827A1 Charging hopper for a furnace |
| 01/05/2005 | EP1200632B1 Method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor and a composite cooling element manufactured by said method |
| 01/05/2005 | DE10334417A1 Ofenkopf bzw. Gichtverschluß Furnace head or throat closing |
| 01/05/2005 | DE10327276A1 Vorrichtung zum Verschließen oder Öffnen einer Öffnung, insbesondere Bodenöffnung eines Materialbunkers für einen Hochofen Apparatus for closing or opening an opening, especially bottom opening of a material hopper for a blast furnace |
| 01/05/2005 | CN2668646Y Double-bevel-base hydraulic tap-hole device capable of 2-D space regulating |
| 01/05/2005 | CN2668645Y Copper cooling wall with flange |
| 01/04/2005 | US6838044 Cooling plate and method for manufacturing a cooling plate |
| 12/30/2004 | US20040265766 Furnace head or furnace throat seal |
| 12/30/2004 | US20040262324 Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace |
| 12/30/2004 | DE10326875A1 Casting spout heater used in casting devices feeds waste gases produced in a heater via an integrated heat exchanger |
| 12/29/2004 | EP1491641A1 Method for operating a blast furnace |
| 12/29/2004 | CN1182258C Detecting and analyzing method of unburned coal powder content in blast furnace dust |
| 12/23/2004 | WO2004111275A1 Cooling element and method of manufacturing a cooling element |
| 12/23/2004 | US20040256772 Cooling plate comprising a reinforcement element |
| 12/22/2004 | CN2665139Y A novel air mixing furnace |
| 12/22/2004 | CN1556226A Making method of composite brick |
| 12/21/2004 | US6833106 Compact blast furnace installation |
| 12/20/2004 | CA2471549A1 Furnace head or furnace throat seal |
| 12/17/2004 | CA2471058A1 Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace |
| 12/16/2004 | DE10323944A1 Prozessbehälter mit Kühlelementen Process with cooling elements |
| 12/15/2004 | CN2663423Y Microwave-trial rod window of high furnace |
| 12/15/2004 | CN1554776A Technological method for producing blast furnace tugere |
| 12/09/2004 | WO2004106831A1 Process container with cooling elements |
| 12/09/2004 | US20040245684 Melt launder |
| 12/07/2004 | CA2114769C Charging device with member for regulating the flow rate |
| 12/01/2004 | CN2659899Y High efficiency long service steel cooling wall |
| 11/24/2004 | EP1399597B1 Device for loading a shaft furnace |
| 11/24/2004 | EP1346067B1 Cooling system for a metallurgical smelting furnace |
| 11/18/2004 | WO2004090172A3 Cooled furnace wall for a metallurgical vessel |
| 11/17/2004 | CN2656425Y Chute type spreading apparatus water sealing air tight box water proof device |
| 11/17/2004 | CN2656424Y Slag skimming device in iron storage type main ditch |
| 11/17/2004 | CN2656423Y High efficient copper cooling wall |
| 11/17/2004 | CN2656422Y Fast pure copper cooling wall with high cooling property |
| 11/17/2004 | CN2656421Y Cooling wall fixed supporting device for blast furnace |
| 11/17/2004 | CN1546259A Melted iron highly performance slag digging method and dedicated apparatus therefor |
| 11/11/2004 | US20040224275 Device for loading a shaft furnace |
| 11/10/2004 | CN2654616Y Blast furnace stable pressure water cooling material spreading device |
| 11/10/2004 | CN2654615Y Blast furnace copper cooling wall |
| 11/10/2004 | CN2654614Y Copper cooling wall with composite holes formed by different rounds |
| 11/10/2004 | CN1544660A Al*O*-SiC-C system waterless taphole mix containing ferrosilicon nitride |
| 11/10/2004 | CN1544389A Bake-free iron runner ramming mass containing ferrosilicon nitride |
| 11/10/2004 | CN1175238C Stave cooler |
| 11/04/2004 | DE4427024B4 Verteilerschurre für Schüttgut Distribution chute for bulk |
| 11/04/2004 | DE202004013608U1 Anordnung zur Auskleidung einer Kapelle eines Hochofens Arrangement for lining a chapel of a blast furnace |
| 11/03/2004 | EP1472028A1 Device and method for unplugging a molten metal discharge port |
| 11/03/2004 | CN2652940Y Novel blast furnace air mouth |
| 11/03/2004 | CN1174207C Shaft furnace cooling plate |
| 11/02/2004 | US6811742 Sampler for melts |
| 11/02/2004 | CA2323619C Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature |
| 10/28/2004 | DE10316367A1 Kühlplatte Cooling plate |
| 10/27/2004 | EP1470379A1 Methods and devices for heating a continuous flow of solids |
| 10/27/2004 | CN2651258Y Balanced blast furnace top sluice distributing device |
| 10/21/2004 | WO2004090172A2 Cooled furnace wall for a metallurgical vessel |
| 10/21/2004 | DE10315007A1 Vorrichtung und Verfahren zum Abgießen und Abzapfen von flüssigen Eisen- und Mineralstoffschmelzen Apparatus and method for casting and tapping of liquid iron and mineral melts |
| 10/21/2004 | DE10313479A1 Determining the volume/mass flow of a melt in a tapping spout of a blast furnace comprises measuring the distances of the base of the empty spout and the melt meniscus and analyzing |
| 10/20/2004 | EP1469085A1 Cooling plate for a metallurgical vessel |
| 10/20/2004 | CN2649965Y Fluidized coal-spraying mixer |