Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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10/10/2012 | CN102719658A Method for controlling water content of sintered mixture by addition of quicklime |
10/10/2012 | CN102719582A Process for smelting low-quality complex ore |
10/10/2012 | CN102719581A Blast furnace tapping method for reducing circulating flow of molten iron in hearth |
10/10/2012 | CN102719580A Blast furnace operation method for improving hearth coke strength |
10/10/2012 | CN102175042B Method for oven furnace or cold furnace ignition of heat-accumulating-type heating furnace totally adopting blast-furnace gas as fuel |
10/03/2012 | EP2505674A1 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
10/03/2012 | CN202465739U Accumulated coal recycling device of pulverized coal filter |
10/03/2012 | CN202465736U Online energy efficiency analysis meter for TRT (blast furnace top gas pressure recovery turbine) unit |
10/03/2012 | CN202464722U Belt pressing material automatic stop protection device |
10/03/2012 | CN102703683A Mixed reduction method of oolitic hematite and paigeite |
10/03/2012 | CN102703633A Furnace top stock-level detection system for blast furnace |
10/03/2012 | CN102703628A Use method for circulating comprehensive utilization device for blast furnace gas |
10/03/2012 | CN102703627A Method for forecasting use ratio of blast furnace gas |
10/03/2012 | CN102703626A Intelligent optimal control system for CO2 emission of blast furnace |
10/03/2012 | CN102703625A Operation method for lowering charge level of blast furnace with dry dust removing method |
10/03/2012 | CN102220484B Application and method of laterite nickel ore for producing sinter |
10/03/2012 | CN101531907B Method for manufacturing coke |
09/26/2012 | CN102690916A Real-time monitoring system and method of CO2 discharging amount of blast furnace |
09/20/2012 | WO2012123322A1 Process for regulating the joule value of offgases from plants for pig iron production or of synthesis gas |
09/20/2012 | WO2012123320A1 Metallurgical plant with efficient waste-heat utilization |
09/20/2012 | CA2830212A1 Process for regulating the joule value of offgases from plants for pig iron production or of synthesis gas |
09/20/2012 | CA2830210A1 Metallurgical plant with efficient waste-heat utilization |
09/19/2012 | CN102676717A Method and system for simulating feedforward and feedback in heat treated (TRT) blast furnace top pressure cloth control process |
09/19/2012 | CN102676716A Feedforward control simulation method and system of TRT blast furnace top pressure controlling and stamping processes |
09/19/2012 | CN102676715A Method and system for feedback control simulation in heat treated (TRT) blast furnace top pressure control stamping process |
09/19/2012 | CN102676714A Feedforward control simulation method for TRT blast furnace top pressure control material distribution process and system therefor |
09/19/2012 | CN102676713A Feedforward feedback simulation method for TRT (Top Gas Pressure Recovery Turbine unit) blast furnace top pressure control stamping process and system therefor |
09/19/2012 | CN102672117A Process method for duplex production of HT200 and HT250 castings by blast furnace and intermediate-frequency furnace |
09/19/2012 | CN101892333B Device and method for smelting iron by low-grade limonite ore |
09/13/2012 | DE102011013251A1 Manufacture of pig iron involves injecting powdery reducing agent comprising charcoal with high volatile content and/or bound water or charcoal with low volatile content and/or bound water into blast furnace |
09/12/2012 | CN202430240U Automatic startup control system for differential pressure power generation |
09/12/2012 | CN202430239U Experimental device for stimulating burning of pulverized coal sprayed and blown by blast furnace |
09/12/2012 | CN102666881A Method for operating blast furnace |
09/12/2012 | CN102666880A Method for using biomass in blast furnace |
09/05/2012 | EP2495339A1 Method for operating blast furnace |
09/05/2012 | CN102653801A Bell-less blast furnace top burden distribution control method established on basis of genetic algorithm |
09/05/2012 | CN102653684A Method for producing coke |
09/05/2012 | CN102392087B Novel spherical MgO-CaO metallurgy accessory for blast furnace |
09/05/2012 | CN102181590B Slagging and antifoaming agent |
09/05/2012 | CN101790590B Process for producing reduced iron pellets, and process for producing pig iron |
09/05/2012 | CN101666484B Horizontal type waste heat boiler of zinc-containing dust recovery system of rotary hearth furnace |
09/04/2012 | CA2557287C Method for renovating a combined blast furnace and air/gas separation unit system |
08/30/2012 | WO2012115928A1 Apparatus and method for heating a blast furnace stove |
08/30/2012 | WO2012115062A1 Powder supply apparatus and powder supply method |
08/29/2012 | CN202401082U TRT (Blast Furnace Top Gas Recovery Turbine Unit) of L-shaped pneumatic distribution |
08/23/2012 | WO2012047066A3 Ionic alkaline metal additive composition having functions for accelerating combustion and lowering melting point |
08/23/2012 | WO2012047065A3 Adhesive composition for steel manufacturing having functions for accelerating combustion and lowering melting point |
08/22/2012 | CN202390455U Oxygen-enriched balancing device for blast furnace |
08/22/2012 | CN202390454U Heating and spraying equipment for reducing gas |
08/22/2012 | CN102643937A Blast furnace spraying blowing process |
08/22/2012 | CN102071271B Blast-furnace ironmaking raw material hot delivery and hot charging process and equipment |
08/22/2012 | CN102041331B Method for smelting vanadium-titanium magnetite in blast furnace |
08/22/2012 | CN101643805B New method for producing high-quality high titanium slag |
08/22/2012 | CN101492626B Method for producing and using calcium based rare earth composite catalyst for accelerating pulverized coal burning |
08/15/2012 | EP1504128B1 Method to improve iron production rate in a blast furnace. |
08/15/2012 | CN202380007U Diffusion device for continuous adjustment of blast furnace gas pressure |
08/15/2012 | CN102634615A Dead material pile crushing machine for blast furnace |
08/15/2012 | CN102633122A Pneumatic conveying and blast furnace injecting device for coke oven dust-removing ash and using method thereof |
08/09/2012 | WO2012018394A3 Method and apparatus for coproduction of pig iron and high quality syngas |
08/08/2012 | CN202372806U Experimental device for jetting, preheating and combustion of coal in blast furnace |
08/08/2012 | CN102628090A Energy-saving and consumption-reducing method for air supply system of metallurgy blast furnace |
08/07/2012 | US8237010 Method of manufacturing a dressing |
08/01/2012 | CN202360806U Iron making coal injection transfer automatic switching anti-blocking valve |
08/01/2012 | CN202360154U Coaxial constant-speed blast furnace turbine unit |
08/01/2012 | CN202359136U Double-driven blast furnace blower unit |
08/01/2012 | CN202359131U High-speed blast furnace gas excessive pressure turbine |
08/01/2012 | CN102618676A Novel operating process for reducing smelting strength of blast furnace |
08/01/2012 | CN102618675A Slagging fusing assistant |
07/26/2012 | WO2012098715A1 Method for operating blast furnace |
07/26/2012 | WO2012098714A1 Blast furnace operation method |
07/26/2012 | WO2012098713A1 Method for operating blast furnace |
07/25/2012 | CN102605123A Method for controlling smelting intensity of blast furnace by using air inlet linings |
07/25/2012 | CN102605120A Cavity type blast furnace iron-smelting device and method |
07/25/2012 | CN102605119A Pulverized coal conveying and preheating device used in blast furnace pulverized coal blasting process |
07/25/2012 | CN102605118A Blast furnace smelting method |
07/25/2012 | CN102181626B Beneficiating method for ilmenite |
07/25/2012 | CN102154532B Long-distance coal injection system |
07/25/2012 | CN101921885B Ferrotitanium reducing material for maintaining blast furnace and preparation method thereof |
07/18/2012 | CN102597275A Method for operating blast furnace |
07/18/2012 | CN102586591A Process for producing sintered ore for ironmaking through blast furnace from high-aluminum limonite |
07/18/2012 | CN102586531A Method for producing molten iron by using powered mine and non-coking coal |
07/18/2012 | CN102586520A Method for carrying out voltage-sharing bleeding on furnace top of blast furnace |
07/18/2012 | CN102586519A Calculus prediction method for adjusting operation of blast furnace |
07/18/2012 | CN102586518A Method for carrying out voltage-sharing bleeding on furnace top of blast furnace by using nitrogen |
07/18/2012 | CN101993967B Insulating method of self-preheating hot blast furnace |
07/18/2012 | CN101942539B Method for smelting molten iron to form rerolled steel by oxygen blowing blast furnace |
07/18/2012 | CN101818264B Method for treating zinc-iron-containing dust and sludge |
07/11/2012 | CN202328285U 高炉炉顶点火装置 Blast furnace ignition device |
07/11/2012 | CN202322887U 炼铁高炉铁水流道热能置换发电系统 Conduit iron blast furnace heat power generation system replacement |
07/11/2012 | CN202322879U 一种高炉喷煤分配器至煤粉喷枪管道段的清堵结构 A pulverized coal injection coal powder dispenser gun to clear blocked pipes segment structure |
07/11/2012 | CN202322878U 风口前无气力机械输送计量给煤装置 Former air force airless mechanical conveying coal metering device |
07/11/2012 | CN102575899A Energy recovery from gases in a blast furnace plant |
07/11/2012 | CN102563858A Complementary combustion device for low temperature waste heat power generation |
07/11/2012 | CN102562312A Turbomachine including a carbon dioxide (CO2) concentration control system and method |
07/11/2012 | CN102560092A Sintered ore modifier and preparation method and iron-making method |
07/11/2012 | CN102559975A Charging bucket-weighing and differential pressure-compensating system for serial-type bell-less top |
07/11/2012 | CN102559973A Blast furnace air supply device and pulverized coal injection and pulverized coal injection combustion method |
07/11/2012 | CN102559967A TRT (blast furnace top gas pressure recovery turbine unit) on-line energy efficiency analysis method and analysis meter |
07/11/2012 | CN102559966A Charging bucket weighing differential pressure compensation method for serial bell-less furnace top |
07/11/2012 | CN102559965A Method for simulating circumferential deflection of material distribution of blast furnace |