| Patents for C21B 7 - Blast furnaces (8,339) |
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| 01/15/2014 | CN203393174U Device for maintaining and judging tuyere cooler of blast furnace |
| 01/15/2014 | CN203393173U Tubular tuyere small sleeve |
| 01/15/2014 | CN203393172U Online adjusting system for heat load distribution of full-cooling-wall blast furnace |
| 01/15/2014 | CN203393171U Assistance transportation device for helping replacing and mounting of blast-furnace tuyere sleeve |
| 01/15/2014 | CN203393170U Pulverized coal filter device of blast furnace coal injection system |
| 01/15/2014 | CN203393169U Nitrogen recovery device of blast furnace coal injection system |
| 01/15/2014 | CN203393167U Blast furnace water-cooled molten slag mould |
| 01/15/2014 | CN203389455U Novel dust remover box body |
| 01/15/2014 | CN103509902A Video and temperature monitoring device and method for blast-furnace tuyere |
| 01/15/2014 | CN103509901A Blast furnace raw fuel particle size detection method |
| 01/15/2014 | CN103509900A Ironmaking blast furnace with cooling water pipe |
| 01/15/2014 | CN103509899A Long-life blast furnace hearth |
| 01/15/2014 | CN103509898A Steam tracing sealing ring used for seal valve of parallel bucket type furnace top equipment |
| 01/15/2014 | CN103509897A Belly pipe for air supply device of ironmaking blast furnace |
| 01/15/2014 | CN103509896A Maintenance method of blast furnace water slag gas-collecting pipe |
| 01/15/2014 | CN102265107B Bustle pipe arrangement |
| 01/14/2014 | US8627776 Ceramic liner for attaching ceramic fiber refractory insulation |
| 01/14/2014 | CA2652236C Direct smelting vessel and cooler therefor |
| 01/09/2014 | WO2014007152A1 Method for operating blast furnace |
| 01/09/2014 | DE102012013494A1 Kühlelement für einen Schmelzofen Cooling element for a furnace |
| 01/08/2014 | CN103495488A Full automatic control method and system for blast furnace pulverizing systems |
| 01/08/2014 | CN102732659B Burden surface profile control method of blast furnace burden distribution and control system |
| 01/03/2014 | WO2014002726A1 Mixing rate measuring method and mixing rate measuring device |
| 01/01/2014 | CN203373365U Water feeding device for material-distribution water-cooling chute inside blast furnace |
| 01/01/2014 | CN203373364U Lower sealing valve of bell-less blast furnace top |
| 01/01/2014 | CN203373363U Steam-traced sealing ring for sealing valve of parallel-tank furnace roof equipment |
| 01/01/2014 | CN203373362U Anti-collision cap for small blast-furnace tuyere sleeve |
| 01/01/2014 | CN203373361U Tuyere combination brick for large blast furnace |
| 01/01/2014 | CN203373360U Gas leakage prevention device for iron notch of blast furnace |
| 01/01/2014 | CN203373359U Furnace bottom structure of blast furnace |
| 01/01/2014 | CN203373358U Intake air balancer |
| 01/01/2014 | CN203373356U Water supply system for blast furnace slag water processing |
| 01/01/2014 | CN103484587A Method for replacing cooling wall of blast furnace with material |
| 01/01/2014 | CN103484586A Internal rotary crack water-cooling system for blast furnace distributing device |
| 01/01/2014 | CN103484585A Blast furnace large pre-building block furnace feeding device and method |
| 01/01/2014 | CN103484584A Method for installing down pipe of blast furnace gas system |
| 01/01/2014 | CN103484583A Injection equipment for blast furnace in metallurgical industry |
| 01/01/2014 | CN102748486B Compact material flow adjusting valve |
| 01/01/2014 | CN102653801B Bell-less blast furnace top burden distribution control method established on basis of genetic algorithm |
| 12/26/2013 | US20130341839 Use of oxygen from ion transport membranes in blast furnace |
| 12/26/2013 | US20130340874 Method to repair compromised inlet outlet piping |
| 12/25/2013 | EP2415881B1 Holding device for a drill rod of a tap hole drilling machine and method for removing a drill rod |
| 12/25/2013 | CN203360474U Signal detection device for blast furnace diffusion valve |
| 12/25/2013 | CN203360473U Stock rod debugging device capable of determining reference point of blast furnace charge level |
| 12/25/2013 | CN203360472U Wet dust removal device for blast furnace gas |
| 12/25/2013 | CN203360471U Heat-resisting steel cooling column |
| 12/25/2013 | CN203360470U 复合铜冷却柱 Composite copper cooling columns |
| 12/25/2013 | CN203360469U Sliding device of central feed type bell-less top charging equipment of oversized blast furnace |
| 12/25/2013 | CN203360468U Emergency fetching water fixing device at blast furnace tuyere region |
| 12/25/2013 | CN203360467U Blast furnace gas dry method electrostatic dust collection device |
| 12/25/2013 | CN203360465U Blast furnace bin tail gate control device |
| 12/25/2013 | CN103476969A Heat exchange elements for use in pyrometallurgical process vessels |
| 12/25/2013 | CN103468846A Blast furnace slagging channel with embedded water cooling system |
| 12/25/2013 | CN103468845A Blast furnace slag discharge trench with built-in water cooling system |
| 12/25/2013 | CN103468840A Furnace-protecting material for blast furnaces and preparation and application methods thereof |
| 12/25/2013 | CN102859005B Device for distributing bulk material with distribution spout supported by cardan suspension |
| 12/25/2013 | CN102776305B Blast oxygen enrichment mixing energy-saving device of blast furnace |
| 12/25/2013 | CN102643940B Application method of blast-furnace tuyere head wear measuring device |
| 12/25/2013 | CN102341508B Method for separating and collecting carbon dioxide from blast furnace gas |
| 12/24/2013 | US8613883 Diagnostic system and method for metallurgical reactor cooling elements |
| 12/19/2013 | WO2013186664A1 Device for recovering heat and fumes from slag resulting from the steel production cycle |
| 12/18/2013 | EP2673386A1 Stave cooler for a metallurgical furnace |
| 12/18/2013 | CN203346413U Contraposition control device for hot metal ladle car and blast-furnace tap hole |
| 12/18/2013 | CN203346412U Blast-furnace tapping channel with impact area liners |
| 12/18/2013 | CN203346411U Antiwear shifting fork of material flow regulating valve of blast furnace |
| 12/18/2013 | CN203346362U Integrated alkali spray system and ironmaking blast furnace provided with system |
| 12/18/2013 | CN103451339A Fuzzy weighing pressure difference compensation method for charging tank of serial-tank bell-less top |
| 12/18/2013 | CN103451338A Method for installing ascending tubes and five-way balls of blast furnace gas systems |
| 12/18/2013 | CN103451337A Method for balancing resistance loss of double-distributor pipeline |
| 12/18/2013 | CN103451336A Coal spraying gun centering locking apparatus |
| 12/18/2013 | CN103451334A Device and method for preventing blockage of spray gun coke oven gas pipe of blast furnace |
| 12/18/2013 | CN102978311B Control method for blast furnace closed-loop distributing system |
| 12/18/2013 | CN102449174B Device for distributing charge material into shaft furnace |
| 12/11/2013 | EP2670545A1 Metal transfer device |
| 12/11/2013 | CN203333692U Inner leakage check device for valve body |
| 12/11/2013 | CN203333688U Novel arranging device of top combustion hot blast stoves |
| 12/11/2013 | CN203333687U Detection system for heat flow of blast furnace |
| 12/11/2013 | CN203333686U Tool for observing blast furnace tuyere |
| 12/11/2013 | CN203333685U Small sleeve of smelting blast furnace |
| 12/11/2013 | CN203333684U Quick replacing tool for examining and repairing blast furnace belly pipe |
| 12/11/2013 | CN203333683U Butt assembly device for air blowing pipe of blast furnace |
| 12/11/2013 | CN203333681U T/H value control device of feeder |
| 12/11/2013 | CN103443571A Charging installation of a shaft furnace and method for charging a shaft furnace |
| 12/11/2013 | CN103439999A Method for controlling abnormal furnace temperature of blast furnace according to temperature changes of cooling wall |
| 12/11/2013 | CN103436650A Thermal load wireless detection system of high precision blast furnace and detection method thereof |
| 12/11/2013 | CN103436649A Dry type bag dedusting temperature control system and temperature control method |
| 12/11/2013 | CN103436648A Method and device for regulating chute material flow opening during material distribution of blast furnace |
| 12/11/2013 | CN103436647A Open type water-sealed valve chamber of dry type blast furnace gas holder |
| 12/11/2013 | CN103432825A Filter bag special for blast furnace gas |
| 12/11/2013 | CN102816883B Radar, video and laser system combined device for measuring blast furnace burden surface |
| 12/11/2013 | CN102634618B Transformed angle measurement device of blast furnace tuyere and measurement method thereof |
| 12/10/2013 | US8603215 Composition of amorphous iron oxide hydroxide, desulfurizer comprising the same, and methods for preparing and regenerating the desulfurizer |
| 12/05/2013 | WO2013179541A1 Method for charging raw material into bell-less blast furnace |
| 12/05/2013 | WO2013178205A1 Arrangement for solidifying in small pieces liquid slag occurring in metal production |
| 12/04/2013 | EP2669388A1 Tuyere for an ironworks industrial furnace |
| 12/04/2013 | CN203320040U Novel temperature detecting device of molten iron smelted by blast furnace |
| 12/04/2013 | CN203320039U Blast furnace gas purification device |
| 12/04/2013 | CN203320038U Leak-proof blast-furnace gas purification device |
| 12/04/2013 | CN203320037U Long-life tuyere of blast furnace |
| 12/04/2013 | CN203320036U Accurate positioning and protection device of swing slipping mouth |