| Patents for C21B 7 - Blast furnaces (8,339) |
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| 07/13/2011 | CN201896178U Oval regulating valve for blast-furnace gas cleaning equipment |
| 07/13/2011 | CN101688256B Ring block conveying apparatus, and remedy method for blast furnace casing |
| 07/13/2011 | CN101545020B High pressure mixed gas dust collector |
| 07/13/2011 | CN101266173B Blast furnace hearth water temperature difference alarming control method |
| 07/12/2011 | US7978304 Processing apparatus for processing object in vessel |
| 07/12/2011 | US7976774 Composite sparger |
| 07/12/2011 | US7976771 Method for reducing oxidic slags and dusts and inductively heatable furnance for carrying out this method |
| 07/12/2011 | US7976770 Diagnostic system and method for metallurgical reactor cooling elements |
| 07/06/2011 | CN201890890U Double-bell sealing structure of blast furnace |
| 07/06/2011 | CN201890889U Blast furnace blast sealing structure |
| 07/06/2011 | CN201890888U Pressure equalizing and pressure discharging dual-purposed valve for blast furnace |
| 07/06/2011 | CN201890887U Oxygen enriched board-width flow adjusting supply device |
| 07/06/2011 | CN102119228A Lower sealing valve assembly for a shaft furnace charging installation and valve actuation mechanism therefore |
| 06/29/2011 | CN201883102U Four-tin bell-less charging device |
| 06/29/2011 | CN201883101U Novel exhaust valve for cooling wall of blast furnace |
| 06/29/2011 | CN201883100U Novel raw gas pipeline structure of blast furnace |
| 06/29/2011 | CN102112635A A charging installation for a shaft furnace and lower sealing valve assembly therefore |
| 06/29/2011 | CN102112634A Method for constructing and repairing body of blast furnace |
| 06/28/2011 | US7968048 Composite sparger |
| 06/28/2011 | US7968047 Blaster nozzle |
| 06/28/2011 | US7968046 Apparatus for cooling a metal strip |
| 06/23/2011 | WO2011073223A1 Cooling stave for a metallurgical furnace |
| 06/23/2011 | US20110148013 Sealing Plug for Tiltable Converters |
| 06/22/2011 | DE10320036B4 Verfahren zur Bestimmung des Diffusionskoeffizienten von Kohlenstoff in Stählen A method for determining the diffusion coefficient of carbon in steels |
| 06/22/2011 | CN201875326U Pressure testing device for single component of water cooled wall of blast furnace |
| 06/22/2011 | CN201873704U Row-fixing and leakage-searching device for cooling wall of blast furnace |
| 06/22/2011 | CN201873703U Pulverized coal injection device of blast furnace |
| 06/22/2011 | CN201873702U Belly pipe with pulverized coal burning function |
| 06/22/2011 | CN201873701U Belly pipe with coal powder pre-burning function |
| 06/22/2011 | CN201873700U Special device for poking blast furnace tuyere |
| 06/22/2011 | CN201873699U Air volume adjusting device for tuyere of blast furnace |
| 06/22/2011 | CN201873698U Iron runner for blast-furnace casting |
| 06/22/2011 | CN201873697U Novel blast furnace tapping channel |
| 06/22/2011 | CN201873696U Oscillating type rotatable casting runner |
| 06/22/2011 | CN201873695U Improved oil cylinder support for tapping machine of blast furnace |
| 06/22/2011 | CN201873337U Dry-method dedusting dense-phase pneumatic transmission system of blast furnace |
| 06/22/2011 | CN201871524U Local overturning type dust hood |
| 06/22/2011 | CN101748224B Method for district cooling of blast furnace during blast furnace dissection |
| 06/22/2011 | CN101736109B Device and method for measuring deformation angle of small sleeve and medium sleeve of blast-furnace tuyere |
| 06/16/2011 | WO2011069359A1 Burden distributing device on top of blast furnace |
| 06/16/2011 | US20110140321 Tuyer device for introducing gas media under a liquid metal level |
| 06/16/2011 | US20110140318 Molten metal containment structure having flow through ventilation |
| 06/16/2011 | US20110140317 Shielding arrangement for the smelt spout area of a recovery boiler |
| 06/16/2011 | US20110138965 Process and device for producing pig iron or liquid steel precursors |
| 06/15/2011 | EP2331714A1 Shaft furnace charging device and corresponding distribution chute |
| 06/15/2011 | CN201864739U Flammable dust recycling device |
| 06/15/2011 | CN201864738U Blast-furnace gas alkali spraying dechlorination device |
| 06/15/2011 | CN201864737U Oxygen coal lance and tuyere combined device |
| 06/15/2011 | CN201864736U Blast-furnace hydraulic mud gun |
| 06/15/2011 | CN201864735U Protecting device for water inlet-outlet pipe on cooling wall |
| 06/15/2011 | CN201864734U Dual-transmission compact seal valve |
| 06/15/2011 | CN201864733U Blast-furnace gas burner nozzle used at low temperature |
| 06/15/2011 | CN201864732U Airbag type pressure regulating device used for charging of high-pressure smelting furnace |
| 06/15/2011 | CN201862610U Tail-end smoke and dust trapping device |
| 06/15/2011 | CN201862301U Blast furnace slag washing water filter |
| 06/15/2011 | CN102099495A Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace |
| 06/15/2011 | CN102096404A Bell-less string tank furnace top charging material software tracker and control method thereof |
| 06/15/2011 | CN102094092A Iron slag runner sealing cover plate |
| 06/15/2011 | CN102093061A Tapping channel casting material with good oxidation resistance |
| 06/15/2011 | CN101818222B Construction method for replacing blast furnace shell shroud by 'furnace body suspension method' |
| 06/15/2011 | CN101255481B Stave cooler |
| 06/08/2011 | EP2330373A1 A furnace chute |
| 06/08/2011 | EP2329048A1 A material supply apparatus and process |
| 06/08/2011 | CN201858481U Noise-reduction blast furnace gas pressure regulation valve unit |
| 06/08/2011 | CN201858411U Conical circular seam adjusting valve |
| 06/08/2011 | CN201857401U System for detecting angle of inclination of blast furnace chute |
| 06/08/2011 | CN201857400U Blast furnace chute inclination angle detection system |
| 06/08/2011 | CN201857399U Auxiliary tool for perforating on air opening of blast furnace hot air enclosing pipe |
| 06/08/2011 | CN201857398U Blast furnace top pressure control system adopting coal gas dry method dust remover |
| 06/08/2011 | CN201857397U Under-tank fault diagnosis and treatment system of blast furnace |
| 06/08/2011 | CN102089608A Cooling element for cooling the fireproof lining of a metallurgical furnace (AC, DC) |
| 06/08/2011 | CN102086478A Infrared monitoring method for spraying and grouting of blast furnace |
| 06/08/2011 | CN102086477A Discharging and dedusting equipment for blast furnace ore tank and dedusting method thereof |
| 06/08/2011 | CN101792835B Feeding system for blast furnace ore and coke channel system |
| 06/03/2011 | WO2011065513A1 Material segregation apparatus for blast furnace top bunker |
| 06/03/2011 | WO2011063739A1 Roasting reduction shaft furnace |
| 06/03/2011 | WO2011063695A1 Combined type hydraulic control system for top distributing gear of blast furnace |
| 06/03/2011 | WO2011063672A1 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
| 06/03/2011 | CA2773589A1 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
| 06/02/2011 | US20110127703 Dynamic lances utilizing fluidic techniques |
| 06/02/2011 | US20110127702 Dynamic control of lance utilizing counterflow fluidic techniques |
| 06/02/2011 | US20110127701 Dynamic control of lance utilizing co-flow fluidic techniques |
| 06/01/2011 | EP1527306B1 Furnace, method and monitoring system for monitoring its condition |
| 06/01/2011 | CN201850283U Device for monitoring temperature of blast furnace cooling water |
| 06/01/2011 | CN201850282U Silicon carbide supporting column |
| 06/01/2011 | CN102081396A Multi-sensor concentrated control method for full-automatic blast furnace dedusting fan control system |
| 06/01/2011 | CN101736107B Method for poking air inlet of blast furnace |
| 06/01/2011 | CN101538624B Piston assembly of blast furnace gun |
| 06/01/2011 | CN101254861B Fine coal dense phase conveying system of fusion reducing furnace |
| 05/26/2011 | WO2011062261A1 Stave, blast furnace, and blast furnace operation method |
| 05/25/2011 | CN201844951U Quick pressure testing device of water tube for cooling wall of blast furnace |
| 05/25/2011 | CN201842853U Rotary driving device of tapping machine of blast furnace |
| 05/25/2011 | CN201842852U Copper cooling plate device |
| 05/25/2011 | CN102077047A Method for manufacturing cooling element and cooling element |
| 05/25/2011 | CN102077046A Method for manufacturing cooling element and cooling element |
| 05/25/2011 | CN101613778B Intelligent extract method of edge temperature of blast furnace charge level temperature field |
| 05/25/2011 | CN101573456B Process for making pig iron in a blast furnace |
| 05/25/2011 | CN101541980B Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 05/24/2011 | US7947217 Metallurgical processing installation |
| 05/19/2011 | US20110114292 Heat exchanger |