| Patents for C21B 7 - Blast furnaces (8,339) |
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| 09/04/2013 | CN102660728B Copenetration technology of tuyere small sleeve, and tuyere small sleeve |
| 09/04/2013 | CN102605120B Cavity type blast furnace iron-smelting device and method |
| 09/04/2013 | CN102559965B Method for simulating circumferential deflection of material distribution of blast furnace |
| 09/04/2013 | CN102312031B Device and method for measuring furnace top charge level of bell-less blast furnace |
| 08/28/2013 | EP2630429A1 Cooling-water guide for a melting furnace that can be tipped and that has a furnace cover that can be raised and pivoted |
| 08/28/2013 | CN203159646U Blast furnace sounding rod control system |
| 08/28/2013 | CN203159645U Device for preventing through-flow type air opening of blast furnace from moving outside |
| 08/28/2013 | CN203159644U Controllable blast furnace cooling system |
| 08/28/2013 | CN203159643U Feed port cleaning machine for blast furnace |
| 08/28/2013 | CN203159642U Air quantity regulation device of blast furnace |
| 08/28/2013 | CN203159641U Blast furnace top blowing oxygen lance position measurement device |
| 08/28/2013 | CN203159640U Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device |
| 08/28/2013 | CN103270177A Process for operating a blast furnace installation with top gas recycling |
| 08/28/2013 | CN103266192A Hoisting method for replacing cooling wall in overhauling of blast furnace |
| 08/28/2013 | CN103266191A Abutting device and method of blast furnace blast belly pipe |
| 08/28/2013 | CN102534076B Online energy efficiency analytic method and analyzer for blast furnace blower |
| 08/28/2013 | CN102359631B Pressure regulating valve group of pressure regulating cone valve |
| 08/28/2013 | CN101880144B Composition of mass pumping heat resistant concrete for blast furnace |
| 08/21/2013 | CN203144437U Condition monitoring device for molten iron runner of iron making blast furnace |
| 08/21/2013 | CN203144436U Novel bag-type dust removing device of manganese-enriched iron ore blast furnace gas |
| 08/21/2013 | CN203144435U Gooseneck boom of material distributing chute |
| 08/21/2013 | CN203144434U Reinforced material distribution chute |
| 08/21/2013 | CN203144433U Slag hopper wear-resistant part |
| 08/21/2013 | CN203144432U Pressure monitoring device for heat exchange sleeve of molten iron runner of iron making blast furnace |
| 08/21/2013 | CN203144431U Upper heat exchange sleeve for molten iron runner of iron making blast furnace |
| 08/21/2013 | CN203144430U High-efficiency plugging clay gun |
| 08/21/2013 | CN203144429U Blast furnace bottom carbon ramming mass leveling tool |
| 08/21/2013 | CN203144428U Access door special for blast furnace gas |
| 08/21/2013 | CN203144427U Buffer box of coal injection pipeline |
| 08/21/2013 | CN103261444A Ceramic bottom lining of a blast furnace hearth |
| 08/21/2013 | CN103255254A Alignment control device of iron ladle car and tap hole of blast furnace |
| 08/21/2013 | CN103255253A Side spraying type coal powder spraying gun |
| 08/21/2013 | CN103255252A Steel casting big sleeve and preparation method thereof |
| 08/21/2013 | CN103255251A Blast furnace top gas supply system |
| 08/21/2013 | CN103255250A Blast furnace and blast furnace-intermediate frequency induction furnace integrated smelting system |
| 08/21/2013 | CN103255249A Rapid positioning and mounting method of five-way sphere leading-out pipe of blast furnace |
| 08/21/2013 | CN102317479B Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace |
| 08/20/2013 | US8512439 Method for feeding a burden to a blast furnace |
| 08/15/2013 | WO2013117821A1 A method for manufacturing a melt launder and a melt launder |
| 08/14/2013 | CN203131064U High-precision material discharge valve |
| 08/14/2013 | CN203128607U Coal gas pre-treatment device for sample gas sampling for comprehensive coal gas continuous analysis of blast furnace |
| 08/14/2013 | CN203128606U Special hanging bracket for replacing cloth chutes |
| 08/14/2013 | CN203128605U Blast furnace coal injection air inlet |
| 08/14/2013 | CN203128604U Slag way flow direction switching system of blast furnace slag |
| 08/14/2013 | CN203128603U Compressive coal gas continuous analysis system of blast furnace |
| 08/14/2013 | CN203128602U Reducing gas heating and blowing equipment for blast furnace iron making |
| 08/14/2013 | CN203128601U Adjustment device for building flatness of carbon bricks on bottom of blast furnace |
| 08/14/2013 | CN203128600U Blast furnace distribution chute |
| 08/14/2013 | CN203128597U Efficient blast furnace slag-washing water waste heat recycling system adopting mintel process |
| 08/14/2013 | CN203128596U Efficient blast furnace slag-washing water waste heat recycling system adopting bottom-filtration process |
| 08/14/2013 | CN103249464A Method and device for producing a fluid enriched with carbon dioxide from a waste gas of a ferrous-metallurgy unit |
| 08/14/2013 | CN103243188A Method and device for material distribution of blast furnace bell-less top |
| 08/14/2013 | CN103240403A Surface casting infiltration process suitable for pure copper blast-furnace tuyere sleeve |
| 08/14/2013 | CN102703629B System and method for controlling sounding rod of blast furnace |
| 08/14/2013 | CN102660727B Multi-component alloy co-impregnated impregnant |
| 08/14/2013 | CN102352419B Compact valve box device for rotating upper sealing valve of blast furnace |
| 08/14/2013 | CN102344977B Blast furnace under-groove coke weighing control system without dispersing hopper |
| 08/13/2013 | US8506879 Method for cooling hot strip |
| 08/07/2013 | CN203112857U Rotating burden distribution equipment at top of blast furnace |
| 08/07/2013 | CN203112856U Ditching moulding bed capable of being adjusted and easily demoulded |
| 08/07/2013 | CN203112855U Monitoring system for temperature of cooling water in blast furnace |
| 08/07/2013 | CN103237904A Method and apparatus for coproduction of pig iron and high quality syngas |
| 08/07/2013 | CN103233090A Dot-matrix type brick inlaid cooling wall and preparation process thereof |
| 08/07/2013 | CN103233089A Method for inversely installing blast furnace shell |
| 08/07/2013 | CN103233088A Method for washing accumulated carbon under non-vacuum conditions |
| 08/07/2013 | CN103233087A Method for lifting downcomer of blast furnace |
| 08/07/2013 | CN103233086A Mutual pulverized coal injection pipeline for iron-making blast furnace |
| 08/07/2013 | CN102586523B Blast furnace gas purification plant |
| 07/31/2013 | CN203099197U Labyrinth type compensator |
| 07/31/2013 | CN203099196U Compensation joint, tuyere stock and tuyere stock section |
| 07/31/2013 | CN203096104U Sampling and temperature-measuring device for blast-furnace gas |
| 07/31/2013 | CN203096103U Material level indicator for charging bucket |
| 07/31/2013 | CN203096102U Dry-process dust collecting device for blast furnace coal gas |
| 07/31/2013 | CN203096101U Blast-furnace top distributing device |
| 07/31/2013 | CN203096100U Plow discharger and discharger material separating plate |
| 07/31/2013 | CN203096099U Slag-free tapping system |
| 07/31/2013 | CN203096098U Single-column dual-rotation eye unplugging device |
| 07/31/2013 | CN203096097U Device for penetrating tube for blast-furnace cooling wall |
| 07/31/2013 | CN203096096U Seal joint for crack repair of steel water pipe embedded in copper casting cooling wall |
| 07/31/2013 | CN203096095U Blast-furnace hot charging furnace profile |
| 07/31/2013 | CN203096094U Blast furnace top pressure safety control system |
| 07/31/2013 | CN203096093U Blast furnace feeding control system |
| 07/31/2013 | CN203096092U Blast furnace belt feeding control system |
| 07/31/2013 | CN203096091U Coal lance tube |
| 07/31/2013 | CN103225006A Continuous analysis system of blast-furnace integrated gas |
| 07/31/2013 | CN102690916B Real-time monitoring system and method of CO2 discharging amount of blast furnace |
| 07/30/2013 | US8496729 Process gas purification device for a melt reduction system for extracting pig iron |
| 07/25/2013 | WO2013108768A1 Blast furnace |
| 07/25/2013 | WO2013107417A1 Cavity-type blast furnace iron-smelting apparatus and iron-smelting method |
| 07/25/2013 | WO2013107078A1 Furnace top chute feeder for blast furnace |
| 07/24/2013 | CN203079996U Waterproof cover of cooling water temperature measuring instrument |
| 07/24/2013 | CN203079995U Simple tool for quickly detecting slag content of molten iron |
| 07/24/2013 | CN203079994U Shell device of coal lance temperature measuring sensor |
| 07/24/2013 | CN203079993U Cold-charged detection device of small sleeve water pipe |
| 07/24/2013 | CN203079992U Small bell of blast furnace |
| 07/24/2013 | CN203079991U Fast mounting device for tuyere small sleeve |
| 07/24/2013 | CN203079990U Ejector rod structure for preventing medium sleeve of blast furnace from bending upwards |
| 07/24/2013 | CN203079989U Forcedly air-cooled main iron runner structure |
| 07/24/2013 | CN203079988U Two-section type main iron trough B-section trough cover |
| 07/24/2013 | CN203079987U Anti-reversal locking device of coal injecting gun |