Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 5 - Making pig-iron in the blast furnace
Patents for C21B 5 - Making pig-iron in the blast furnace (3,135)
12/2010
12/01/2010CN101899343A Blast furnace injection material
12/01/2010CN101305104B Method for supersonically injecting oxygen into a furnace
11/2010
11/30/2010CA2462831C Method for manufacturing titanium oxide-containing slag
11/30/2010CA2408720C Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore
11/25/2010WO2010133563A1 Device for regulating the temperature of a gas in a hot gas main
11/25/2010CA2760763A1 Device for regulating the temperature of a gas in a hot gas main
11/24/2010EP2253915A1 Method and apparatus for separating blast furnace gas
11/24/2010EP2253723A1 Device for regulating the temperature of a gas in a hot gas main
11/24/2010CN201648411U Guiding coal injection gun of blast furnace
11/24/2010CN201648410U Blast furnace guiding coal injection lance
11/24/2010CN101896627A Self-fluxing pellets for use in a blast furnce and process for the production of the same
11/24/2010CN101892336A Coal-gas recovering process and device of charging, equalizing and bleeding of blast furnace
11/24/2010CN101892334A Method for recycling blast furnace gas
11/24/2010CN101892333A Device and method for smelting iron by low-grade limonite ore
11/17/2010CN101886151A High-efficiency and concentrated-phase pulverized coal injection method
11/10/2010CN101880738A Method for producing cast iron by substituting carbonized coal balls for coke
11/04/2010WO2010126172A1 Blast furnace operation method
11/04/2010WO2010126171A1 Blast furnace operation method, low-calorific-value gas combustion method for same, and blast furnace equipment
11/04/2010WO2010124992A1 Method for feeding a burden to a blast furnace
11/04/2010WO2010124980A1 Method for feeding a burden to a blast furnace
11/04/2010CA2755863A1 Method for feeding a burden to a blast furnace
11/04/2010CA2755074A1 Method for feeding a burden to a blast furnace
11/03/2010EP2246447A1 Method for producing slag containing oxidized nonferrous metal using upgraded coal
11/03/2010CN101875988A Pressure-equalizing and discharging process for J-shaped sealing water pipe type blast furnace top
11/03/2010CN101875987A Method for smelting low chromium pig iron by utilizing chromium slag
11/03/2010CN101875986A Method for treating iron-containing dusts in steel plant by using melting gasification furnace
11/03/2010CN101875985A Energy-saving emission-reducing intensive blast furnace technology
10/2010
10/27/2010EP2243845A1 Method for producing reduced metal using upgraded coal
10/27/2010EP2242861A1 Method for melting raw iron while recirculating blast furnace gas by adding hydrocarbons
10/27/2010CN201614380U 一种炼钢石灰窑高炉煤废气利用控制装置 A kiln exhaust blast furnace steelmaking by the control means
10/27/2010CN101871028A Blast furnace top pressure control system adopting gas dry method dust-removing device
10/27/2010CN101871027A Blast furnace top pressure control method adopting gas dry method dust-removing device
10/27/2010CN101871026A Method for injecting carbon dioxide into blast furnace
10/27/2010CN101870898A Special pressed carbon block for blast-furnace ironmaking as well as manufacturing and using methods thereof
10/27/2010CN101597659B Test method and device for simulating the circulating enrichment discipline of alkali metal in blast furnace
10/26/2010US7819940 based on liquid pig iron and FeCr solids, invention proposes the use of the AOD (Argon Oxygen Decarburization) process in which oxygen and inert gas together are blown into bath through nozzles and top-blown onto surface of bath by blowing lance; minimizes chromium losses
10/26/2010CA2456191C Iron ore briquetting
10/26/2010CA2456188C Iron ore briquetting
10/13/2010EP2239344A1 Self-fluxing pellets for use in a blast furnce and process for the production of the same
10/13/2010CN101353709B Nickel iron smelting process with nickel oxide ore and stainless steel production wastes as raw materials
10/06/2010CN201599815U 喷煤系统的烟气循环换热装置 Flue gas recirculation heat exchanger device PCI system
10/06/2010CN101855506A Method for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier
09/2010
09/23/2010WO2010106387A1 Method for recirculating blast furnace gas, and associated device
09/23/2010CA2755160A1 Method for recirculating blast furnace gas, and associated device
09/22/2010CN101838714A Blast furnace gas high temperature dedusting technical method and device
09/16/2010US20100229685 Process for producing molten iron
09/15/2010CN201580810U Gas recovery device for multiple tank positive pressure gas conveying system
09/15/2010CN101831517A Blast furnace coal gasification air heating furnace smelting method
09/15/2010CN101498554B Serial automatic coal injection control system and method for blast furnace
09/15/2010CN101289697B Blast furnace ironmaking raw material and method for preparing same
09/14/2010US7794651 molybdenum is completely or partially replaced with double the proportion of tungsten; added titanium and/or zirconium which is/are intended to form, substantially during solidification, coarse carbides; reducing the segregated seams
09/08/2010CN101824503A Method for producing vanadiferous pigiron by adopting vanadiferous converter steel slag
09/08/2010CN101824500A Novel melting reduction iron-making furnace and smelting method thereof
09/08/2010CN101532068B Blast furnace ironmaking production process by cyclically utilizing steel slag and iron slag in metallurgy and chemical industry
09/08/2010CN101082008B Coke deactivator containing lanthanide series rare-earth elements and and method of use thereof
09/02/2010WO2010099131A1 Producing metal and carbon dioxide with hydrogen recycle
09/02/2010CA2753297A1 Producing metal and carbon dioxide with hydrogen recycle
09/01/2010CN201567340U Blast-furnace top gas pipeline
09/01/2010CN101818264A Method for treating zinc-iron-containing dust and sludge
09/01/2010CN101818263A Method for reclaiming zinc-iron-containing dust and sludge
09/01/2010CN101818220A Blast-furnace gas heating-up system
09/01/2010CN101818219A Method for improving blast-furnace output and lowering blast-furnace coke ratio by increasing qualification rate of Tfe blending material pile
09/01/2010CN101818218A Method for reinforcing blast furnace indirect reduction and manufacturing method of special gas thereof
08/2010
08/26/2010WO2010094566A1 Method and plant for the production of substitute gas
08/26/2010CA2752953A1 Process and installation for producing substitute gas
08/25/2010CN201560204U Blast furnace gas heating system
08/25/2010CN201560191U Sizing device in the front of sintering ore blast furnace ore tank
08/25/2010CN101812557A Activity magnesium-rich pellet for blast furnace
08/25/2010CN101812556A Method for increasing blast furnace output and reducing blast furnace coke ratio by enhancing qualification rate of SiO2 in blending stack
08/25/2010CN101812555A Method for strengthening indirect reduction of blast furnace and method for preparing gas special for indirect reduction
08/25/2010CN101812329A Method for making reducing gas special for indirect reduction of iron oxides
08/25/2010CN101260444B Blast furnace iron-smelting method
08/18/2010CN201554505U Starting control device for blast furnace pubic type residual pressure energy reclamation
08/18/2010CN101805827A Purpose of heavy metal sludge, acid pellet and preparation method and purpose thereof
08/18/2010CN101805809A Method for utilizing blast furnace dust
08/18/2010CN101805808A Process for improving transportation performances of lean coal and meager lean coal
08/12/2010US20100199806 Method of producing reduced iron cast, and method of producing pig iron
08/11/2010EP2215418A1 Method for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier
08/11/2010CN201548422U Molten iron sampling mold for blast furnace
08/11/2010CN201545864U Gas cooling device of blast furnace
08/11/2010CN201545860U Pulverized coal jetting pressure relieving system for blast furnace
08/11/2010CN101798535A Mixed fuel blown into blast furnace
08/10/2010US7771507 magnesium and calcium silico-aluminates with at least 30% mineral oxides and optionally one or more mineral halides; from steelwork slag, furnace dust and fly ash; smelting
08/05/2010WO2010086379A1 Computer system and method for controlling charging of a blast furnace by means of a user interface
08/05/2010CA2749389A1 Computer system and method for controlling charging of a blast furnace by means of a user interface
08/04/2010EP2213971A1 Device for melting inset material in a cupola
08/04/2010CN101796200A Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron
08/04/2010CN101792866A Method for refining ferronickel by utilizing waste alumina-based nickel accelerant
08/04/2010CN101792834A Automatic sweeping method for gas replaced with nitrogen in blast furnace gas energy recovery system pipe network
08/04/2010CN101792833A Automatic sweeping method for nitrogen replaced with air in blast furnace gas energy recovery system pipe network
08/04/2010CN101792832A Automatic sweeping method for air replaced with nitrogen in blast furnace gas energy recovery system pipe network
08/04/2010CN101792831A Automatic sweeping method for nitrogen replaced with gas in blast furnace gas energy recovery system pipe network
07/2010
07/29/2010WO2010084156A1 Method for producing pulverized coal
07/29/2010CA2748897A1 Method for producing pulverized coal
07/28/2010CN201534717U 耐磨补气器 Qi wearable device
07/28/2010CN101790590A Process for producing reduced iron pellets, and process for producing pig iron
07/28/2010CN101787403A Short process production technique for preparing casting of wind power generation equipment
07/28/2010CN101787294A Coke for furnace protection and production method thereof
07/28/2010CN101555533B Oxygen blast furnace iron-making process adopting water-coal-slurry as fuel
07/21/2010CN201531897U Combustion improver for a low-calorie blast furnace gas straight-flow combustion system
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