| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 02/05/2014 | CN203419938U Special-purpose device for changing jetting-blowing fluidization plate |
| 02/05/2014 | CN203419936U Blast-furnace gas and nitrogen purging device of combustion gas turbine |
| 02/05/2014 | CN103562412A Reduction of metal oxides using a gas stream containing both hydrocarbon and hydrogen |
| 02/05/2014 | CN103559543A Method and device for predicting blast furnace gas occurrence amount |
| 02/05/2014 | CN103555876A Blast furnace burden charging monitoring method |
| 02/05/2014 | CN103555874A Thermal refining method of blast furnace hot slags |
| 02/05/2014 | CN103555873A Adjusting method of material flow adjusting valve on furnace top |
| 02/05/2014 | CN103555872A Full automatic control method and system of blast furnace injection system |
| 02/05/2014 | CN103555871A Coke powder and coal blending technology and device |
| 02/05/2014 | CN103555870A High-temperature slag water-quenching condensation technology and high-temperature slag water-quenching condensation system free of cooling tower |
| 02/04/2014 | CA2655298C Pulverized coal injection lance |
| 01/29/2014 | CN102363821B High speed blast furnace gas pressure turbine |
| 01/22/2014 | EP2686455A1 Process for regulating the joule value of offgases from plants for pig iron production or of synthesis gas |
| 01/22/2014 | CN103525959A Method for controlling air temperature of blast furnace |
| 01/22/2014 | CN102994740B Method for preparing carbon-containing pellet for blast furnace |
| 01/22/2014 | CN102633122B Pneumatic conveying and blast furnace injecting device for coke oven dust-removing ash and using method thereof |
| 01/21/2014 | CA2485517C Method to improve iron production rate in a blast furnace |
| 01/16/2014 | WO2014010660A1 Blast furnace operating method and tube bundle-type lance |
| 01/15/2014 | CN203397607U Blast furnace ironmaking model system |
| 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 | CN103509901A Blast furnace raw fuel particle size detection method |
| 01/15/2014 | CN103509895A Method for controlling pressure of furnace top of blast furnace by combining TRT stationary blade and pressure reducing valve group |
| 01/15/2014 | CN103509894A Method for coal powder injection in a blast furnace |
| 01/15/2014 | CN102703626B Intelligent optimal control system for CO2 emission of blast furnace |
| 01/14/2014 | CA2698234C Method of producing reduced iron cast, and method of producing pig iron |
| 01/09/2014 | WO2014007152A1 Method for operating blast furnace |
| 01/09/2014 | WO2014005227A1 Slag stabilization with captured carbon dioxide |
| 01/08/2014 | CN103498586A Jetting tank inverted installation method |
| 01/08/2014 | CN103495488A Full automatic control method and system for blast furnace pulverizing systems |
| 01/08/2014 | CN102851417B Method, device and system for controlling mass stability of dry-basis coke charged into blast furnace |
| 01/08/2014 | CN102776304B Blast oxygen enrichment energy-saving technology and device for blast furnace |
| 01/08/2014 | CN102703683B Mixed reduction method of oolitic hematite and paigeite |
| 01/03/2014 | WO2014002726A1 Mixing rate measuring method and mixing rate measuring device |
| 01/01/2014 | CN203373366U Hot-blast stove system for achieving high blast temperature by only burning blast furnace |
| 01/01/2014 | CN203373357U Gas ash treatment system |
| 01/01/2014 | CN103484582A Blast furnace ironmaking method |
| 01/01/2014 | CN103484581A Coal gas leakage repairing method for blast-furnace hearth |
| 01/01/2014 | CN103484580A Method and device for recovering molten blast furnace slag sensible heat |
| 01/01/2014 | CN102653801B Bell-less blast furnace top burden distribution control method established on basis of genetic algorithm |
| 12/27/2013 | WO2013192526A2 Use of oxygen from ion transport membranes in blast furnace |
| 12/27/2013 | WO2013191485A1 Painting apparatus and painting method for metal slug particle surfaces |
| 12/27/2013 | WO2013084067A3 Co-generation of pig iron and electric energy |
| 12/25/2013 | EP2677043A1 Method and device for the manufacture of liquid pig iron and/or liquid steel inputs |
| 12/25/2013 | CN203360467U Blast furnace gas dry method electrostatic dust collection device |
| 12/25/2013 | CN203360466U Device for recycling sensible heat in blast furnace gas |
| 12/25/2013 | CN203360465U Blast furnace bin tail gate control device |
| 12/25/2013 | CN103468844A Method of smelting vanadium titanium magnetite through blast furnace |
| 12/25/2013 | CN103468843A Method for producing qualified pig iron from low-grade high-harmful-element lean ores |
| 12/25/2013 | CN103468842A Real-time online statistic method for injection amount of blast furnace coal injection system |
| 12/25/2013 | CN103468841A Semi coke injected by blast furnace and preparation method thereof |
| 12/25/2013 | CN103468840A Furnace-protecting material for blast furnaces and preparation and application methods thereof |
| 12/25/2013 | CN103468839A Method for removing caked slag with thickness not smaller than 500mm from blast furnace body |
| 12/25/2013 | CN103468838A Blast furnace ironmaking technology adopting high pellet ore proportion |
| 12/25/2013 | CN103468837A Safe method applicable to shaft furnace soft coal preparation and jetting |
| 12/25/2013 | CN103468289A Iron coke for blast furnace and preparing method thereof |
| 12/25/2013 | CN103468287A Preparation method of high strength-hyper reactivity iron containing coke |
| 12/25/2013 | CN102776303B Method for estimating inner surface temperature of blast furnaces |
| 12/25/2013 | CN102563858B Complementary combustion device for low temperature waste heat power generation |
| 12/25/2013 | CN102471822B Unfired carbon-containing agglomerate and production method therefor |
| 12/18/2013 | CN203346362U Integrated alkali spray system and ironmaking blast furnace provided with system |
| 12/18/2013 | CN103451421A Preparation method of blast furnace sludge pre-reduced pellet |
| 12/18/2013 | CN103451342A Device and method for increasing temperature of hot air in blast furnace |
| 12/18/2013 | CN103451340A Device and method thereof for increasing air temperature of hot blast furnace by utilizing air voltage transformation to adsorb oxygen enrichment |
| 12/18/2013 | CN103451339A Fuzzy weighing pressure difference compensation method for charging tank of serial-tank bell-less top |
| 12/18/2013 | CN103451337A Method for balancing resistance loss of double-distributor pipeline |
| 12/18/2013 | CN103451335A Method for heating special steel with low-heat-value blast furnace coal gas |
| 12/18/2013 | CN103451334A Device and method for preventing blockage of spray gun coke oven gas pipe of blast furnace |
| 12/18/2013 | CN103451333A Blast furnace coal injection accelerant as well as preparation method and application thereof |
| 12/18/2013 | CN103451332A System and method for carrying out blast furnace ironmaking by using small-particle-size bituminous coals |
| 12/18/2013 | CN103451331A Method for measuring ore matching efficiency of integrated furnace charge of blast furnace |
| 12/18/2013 | CN102978311B Control method for blast furnace closed-loop distributing system |
| 12/18/2013 | CN101736103B Iron manufacture technology |
| 12/12/2013 | WO2013183170A1 Blast furnace operation method using ferrocoke |
| 12/11/2013 | CN203333682U Device for preheating coke by gradient utilization of residual heat in waste smoke gas of hot air furnace |
| 12/11/2013 | CN203333681U T/H value control device of feeder |
| 12/11/2013 | CN103436797A Method for producing phosphorus-containing ferrite stainless steel by using iron oxide type laterite and product thereof |
| 12/11/2013 | CN103436646A Banking method for damping down of large blast furnace |
| 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 |
| 12/04/2013 | CN203320039U Blast furnace gas purification device |
| 12/04/2013 | CN103421914A Iron making method introducing exhaust gas of hot-blast stove into blast furnace air |
| 11/28/2013 | DE112012000926T5 Pulverzufuhrvorrichtung und Pulverzufuhrverfahren Powder feeder and powder delivery method |
| 11/28/2013 | DE102007058125B4 Metallrückstände und Kohlenstoffträger enthaltender Formkörper Metal residues and carbon carriers containing moldings |
| 11/27/2013 | CN203307365U Automatic blast control system of a fan system |
| 11/27/2013 | CN203307353U Pulverized coal conveying adjuster |
| 11/27/2013 | CN203307352U Device for recycling roughing slag iron of blast furnace slag |
| 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 | CN103409571A Charging bucket weighing differential fuzzy compensation system for serial bucket-type bell-less top |
| 11/27/2013 | CN103409569A Method for controlling airflow distribution by utilizing furnace top infrared image |
| 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 | WO2013172045A1 Method for charging starting material into blast furnace |
| 11/21/2013 | WO2013172044A1 Method for charging starting material into blast furnace |
| 11/21/2013 | WO2013172043A1 Method for loading raw material into blast furnace |
| 11/21/2013 | WO2013172042A1 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 |
| 11/20/2013 | 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 |