| Patents for C21B 7 - Blast furnaces (8,339) |
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| 12/04/2013 | CN203320035U Novel welded split type gun nozzle of blast furnace |
| 12/04/2013 | CN203320034U Large-scale blast furnace hearth soft water cooling treatment device |
| 12/04/2013 | CN203320033U Copper cooling wall with steel lining structure on cold surface |
| 12/04/2013 | CN103424165A Method of measuring instantaneous pulverized coal flow in blast furnace coal injection system |
| 12/04/2013 | CN103421917A Blast furnace soft water closed-recirculation cooling system |
| 12/04/2013 | CN103421916A Hearth side-wall inner lining |
| 12/04/2013 | CN103421915A Construction mounting method for preventing large length deviation of straight blowing pipe of blast furnace air supply system |
| 11/27/2013 | EP2665836A1 Method and nozzle for suppressing the generation of iron-containing vapor |
| 11/27/2013 | CN203307362U Gravitational dust-removing system in blast furnace system |
| 11/27/2013 | CN203307361U Guard plate device |
| 11/27/2013 | CN203307360U Tapping machine with shock pressure reducing function |
| 11/27/2013 | CN203307359U Rotary type uncovering machine |
| 11/27/2013 | CN203307358U Gapless cooling structure provided with cooling device clinging to refractory material |
| 11/27/2013 | CN203307357U Cooling structure for blast-furnace bottom |
| 11/27/2013 | CN203307356U Lapped iron-notch combined brick |
| 11/27/2013 | CN203307355U Combined structure for blast-furnace bottom |
| 11/27/2013 | CN203307354U Upper and lower sealing valve plate component at furnace top |
| 11/27/2013 | CN103415628A Process for regulating the joule value of offgases from plants for pig iron production or of synthesis gas |
| 11/27/2013 | CN103409572A Apparatus and method used for radar online detection of surface shape of blast furnace burden surface |
| 11/27/2013 | CN103409571A Charging bucket weighing differential fuzzy compensation system for serial bucket-type bell-less top |
| 11/27/2013 | CN103409570A Construction method of blast furnace iron notch combined brick |
| 11/27/2013 | CN101759437B Refractory composition for constructing dome portion of fluidized bed reduction furnace for reduction of iron ore |
| 11/26/2013 | CA2566136C Heat exchanger |
| 11/21/2013 | WO2013172047A1 Method for loading raw material into blast furnace |
| 11/21/2013 | WO2013172046A1 Method for loading raw material into blast furnace |
| 11/21/2013 | WO2013172036A1 Method for loading raw material into blast furnace |
| 11/21/2013 | WO2013172035A1 Method for loading raw material into blast furnace |
| 11/21/2013 | WO2013171001A1 Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit |
| 11/20/2013 | EP2664681A1 Method and device for inserting particulate material into the fluidised bed of a reduction unit |
| 11/20/2013 | CN203295537U Thermal resistor locating device |
| 11/20/2013 | CN203295536U Plugboard of blast furnace peephole device |
| 11/20/2013 | CN203295535U Corrosion prevention device of gas pipe network |
| 11/20/2013 | CN203295534U Centering mechanism of rotating cylinder body of blast furnace top distributing gear |
| 11/20/2013 | CN203295533U Blast furnace top distributor based on screw rod mechanism |
| 11/20/2013 | CN203295532U Blast furnace top distributing gear |
| 11/20/2013 | CN203295531U Blast-furnace tuyere blowpipe leak detector |
| 11/20/2013 | CN203295530U Anti-blocking device of pressure guide pipe |
| 11/20/2013 | CN203295529U Detection device for cooling walls of blast furnace |
| 11/20/2013 | CN203295528U Three-section type water volume adjustable blast furnace soft water cooling system |
| 11/20/2013 | CN203295527U Brick for blast furnace ceramic cup furnace pad |
| 11/20/2013 | CN203295526U Blast furnace hearth capable of reducing inner liner erosion |
| 11/20/2013 | CN203295525U Blast furnace material flow valve connecting device |
| 11/20/2013 | CN203295524U Automatic alkali spraying system and iron smelting blast furnace with same |
| 11/20/2013 | CN203295523U Gas supply system for furnace roof of blast furnace |
| 11/20/2013 | CN203295522U Dehydration packing device for blast furnace gas |
| 11/20/2013 | CN203295521U Mechanism for preventing gravity intercepting valve of blast furnace from falling due to gravity |
| 11/20/2013 | CN203295520U Blast furnace and blast furnace and medium-frequency induction furnace integrated smelting system |
| 11/20/2013 | CN203295519U Quick change oil cylinder-based closed water-cooled blast furnace top distributor |
| 11/20/2013 | CN203295518U Blast-furnace gas centralized processing system and iron making blast furnace with same |
| 11/20/2013 | CN203295515U Four-way joint of pulverized coal pipes of iron-smelting blast furnace |
| 11/20/2013 | CN203295514U Pulverized coal mutual jetting pipeline of iron-smelting blast furnace |
| 11/20/2013 | CN103403193A Starting material charging device for blast furnace, and starting material charging method using same |
| 11/20/2013 | CN103397125A Method for detecting cracking of furnace skin of blast furnace |
| 11/20/2013 | CN103397124A Protection method of blast furnace cooling wall and protection coating |
| 11/20/2013 | CN103397123A Special apparatus for replacing spraying-blowing fluidization plate |
| 11/20/2013 | CN103397122A Magnetization coal powder spraying-blowing apparatus |
| 11/20/2013 | CN103397121A Blast furnace coal gas bleeding valve |
| 11/20/2013 | CN102096404B Bell-less string tank furnace top charging material software tracker and control method thereof |
| 11/14/2013 | WO2013168784A1 Structure for tuyere section in blast furnace |
| 11/14/2013 | WO2013167677A1 Side wall cooling for a melting furnace |
| 11/13/2013 | CN203284418U Movable leakage detection device for blast furnace cooling stave |
| 11/13/2013 | CN203284417U Fireproofing brick for absorbing heat of blast furnace iron making slag |
| 11/13/2013 | CN203284416U Leveling device of carbon ramming materials at blast furnace bottom |
| 11/13/2013 | CN203284415U Spray gun and smelting furnace adopting same |
| 11/13/2013 | CN103392011A Tilting runner apparatus for molten iron |
| 11/13/2013 | CN102356166B A shaft furnace charging installation having a drive mechanism for a distribution chute |
| 11/13/2013 | CN101907225B System and method for temperature data acquisition |
| 11/12/2013 | CA2591952C Launder for casting molten copper |
| 11/06/2013 | CN203269962U Wireless vibration testing system for tilting mechanism of blast-furnace top distributor gearbox |
| 11/06/2013 | CN203269961U Wireless transmission based temperature sensor for blast furnace water circulation cooling system |
| 11/06/2013 | CN203269960U Filter-bag skeleton for blast-furnace coal injection cloth-bag powder collecting box |
| 11/06/2013 | CN203269959U Blast furnace overhauling residual iron placing device |
| 11/06/2013 | CN203269958U Blast-furnace tapping channel |
| 11/06/2013 | CN203269957U Clamping device applicable to cleaning rod of tapping machine of blast furnace |
| 11/06/2013 | CN203269956U Tool for filling high-temperature-resisting filler in cooling water pipe of cast steel cooling wall |
| 11/06/2013 | CN203269955U Blast furnace body support device |
| 11/06/2013 | CN203269954U Blast furnace top centering device |
| 11/06/2013 | CN203269953U Simple and easy protective operation platform capable of being repeatedly used for mounting furnace shell |
| 11/06/2013 | CN102077046B Method for manufacturing cooling element and cooling element |
| 10/30/2013 | EP2655671A1 Process for operating a blast furnace installation with top gas recycling |
| 10/30/2013 | CN203256292U Cylindrical inner wall detection device |
| 10/30/2013 | CN203256291U Blast furnace top distributor with clutch |
| 10/30/2013 | CN203256290U Blast furnace top distributing device based on gear and rack mechanism |
| 10/30/2013 | CN203256289U Blast furnace top distributing device based on cam |
| 10/30/2013 | CN203256288U Locking device of chain of blast furnace churn drilling type taphole drilling machine |
| 10/30/2013 | CN203256287U Lattice brick-inserted cooling wall |
| 10/30/2013 | CN203256286U Blast furnace throat steel brick replacing apparatus |
| 10/30/2013 | CN203256285U Wear-resisting spraying blow pipe |
| 10/30/2013 | CN203256284U Step-type mutual-material-ramming-type returning chute under blast furnace trough |
| 10/30/2013 | CN203256283U System applying blast furnace slag flushing water heat source to blast furnace steam air blower |
| 10/30/2013 | CN203256282U Pneumatic conveyor for regulating and distributing flow of blast furnace coal injection |
| 10/30/2013 | CN103374639A Nozzle for pulverized coal |
| 10/30/2013 | CN102816881B Switching method for double-concentrated hopper under blast furnace tank |
| 10/30/2013 | CN102643938B Liquid cooling rotary joint and distributing device closed cooling system using same as well as distributing device |
| 10/30/2013 | CN102586521B Pressure reducing valve bank |
| 10/30/2013 | CN102559975B Charging bucket-weighing and differential pressure-compensating system for serial-type bell-less top |
| 10/30/2013 | CN102538491B System and method utilizing flue duct waste gas of hot air furnace to bake and preheat charging of blast furnace |
| 10/30/2013 | CN102137940B Shaft furnace charging device and corresponding distribution chute |
| 10/29/2013 | US8568652 Resident measurement system for charge level of blast furnace |
| 10/23/2013 | EP2653565A1 Blast furnace operation method |