Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 7 - Blast furnaces
Patents for C21B 7 - Blast furnaces (8,339)
10/2003
10/16/2003WO2003025486A3 Furnace taphole drill
10/15/2003CN2579905Y Hot current detection and analysis display device for iron making blast furnace
10/15/2003CN2579904Y Slag and iron separator for blast furnace molten iron
10/15/2003CN2579903Y Copper plate cooling wall of copper nail slag hanging structure
10/02/2003WO2003080536A1 Titanium boride based sintered product and method for producing the same, and liner using the same
10/02/2003US20030183992 Addition of niobium to alloy of uranium and vanadium resulted in lowering of hardness and thus improved machinability; useful for structural members, such as kinetic energy penetrators
10/01/2003EP0738780B2 Method of operating blast furnace
10/01/2003CN2576718Y Blast-furnace air-vent flow measuring device
10/01/2003CN2576717Y Blast furnace hearth structure
09/2003
09/25/2003US20030180129 Variable device for bulk material distribution with rotary chute having variable angle of inclination
09/24/2003EP1346067A1 Cooling system for a metallurgical smelting furnace
09/24/2003CN2575107Y Steel rail middle frequency induction heating apparatus
09/24/2003CN1444001A 冷却元件 Cooling element
09/17/2003EP1344838A2 Cooling element
09/17/2003CN2573504Y Blast furnace cooling wall with circulating cooling water pipe therein
09/17/2003CN2573503Y Copper cooling wall
09/09/2003US6615913 In order to enhance heat transfer capability, the wall surface area of the flow channel, which is traditionally round in cross- section, is increased without increasing the diameter or length of the channel.
09/03/2003CN2570297Y Closed type straight test rod
09/03/2003CN2570296Y Iron opening equipment of blast furnace
09/03/2003CN2570295Y Inhalator
09/03/2003CN2570294Y Sealing arrangement of blast furnace bottom cooling pipe
09/03/2003CN2570293Y Blast furnace water-cooled throat steel brick
09/03/2003CN2570292Y Blast furnace gas spread valve
08/2003
08/28/2003US20030159515 Machines having drive member and method for diagnosing the same
08/27/2003EP1337800A1 Cooling element
08/27/2003CN2568669Y Furnace arch red infrared pick-up device
08/26/2003US6610115 Dust extraction installation for blast furnace gas
08/21/2003US20030158613 Apparatus and method for testing micropower short-wave frequency-modulated digital radio
08/21/2003US20030155695 Lining for use in blast furnaces
08/20/2003CN2567231Y Compound blast furnace chute liner
08/20/2003CN2567230Y Water cooling pipe screw-type ceramic tuyere
08/20/2003CN1436861A Blast furnace lining ablation monitor and monitoring method
08/20/2003CN1436860A Grab alpha-angle driving mechanism for blast furnace roof chute-type distributor
08/20/2003CN1436859A Pressure loss preventor for water-sealed airtight tank in furnace roof chute-type distributor
08/20/2003CN1436858A Chute-type furnace roof distributor driven via self-centering combined link rod
08/14/2003DE10230511C1 Gas sealing unit for blast and shaft furnaces comprises a cooling tube made from a tubular support fixed to a cooling element and having a compensating section joined to the tubular support via a tool
08/13/2003CN1436249A Furnace-wall cooling block
08/07/2003WO2003064950A1 Methods and devices for heating a continuous flow of solids
08/07/2003WO2003064080A1 Device and method for unplugging a molten metal discharge port
08/06/2003EP1155154B1 Blow form for shaft furnaces, especially blast furnaces or hot-blast cupola furnaces
08/05/2003US6601655 Piercing apparatus
07/2003
07/30/2003EP1330554A1 Throat armour for a blast furnace
07/30/2003CN2563161Y Swinging flow jet for keeping molten iron level balance
07/24/2003WO2003060168A2 Cooling plate for a metallurgical furnace and method for manufacturing such a cooling plate
07/24/2003US20030136569 Piercing apparatus
07/23/2003EP1114190B1 Blast furnace with narrowed top section and method of using
07/23/2003CN2561797Y Stationary blade adjuster for furnace top pressure control
07/23/2003CN1115540C Carbon-bearing dust-collected collection blowing method and its equipment
07/16/2003CN2560643Y Water-cooling apparatus of rotary downspouting bushing for burden distributing appliance
07/16/2003CN1114704C Dry-dust collector for blast furnace
07/15/2003US6594596 System for generating mechanical waves transmitted to interior of converter, and using transmission and reflective properties of waves traveling through different media to supply measurement of parameters for process control
07/09/2003EP1325157A1 Variable device for bulk material distribution with rotary chute having variable angle of inclination
07/09/2003CN2559652Y Sealing breadth between distributer rotary chute sleeve and air-tight box
07/09/2003CN2559651Y Sealing breadth between distributer rotary chute sleeve and air-tight box
07/09/2003CN2559650Y Sealing breadth between distributing device rotary chute sleeve and air-tight box
07/02/2003EP1322791A1 Method for cooling a blast furnace with cooling plates
07/02/2003EP1322790A1 Cooling element for shaft furnaces
07/02/2003CN2558662Y Top distribution chute for bell-less blast furnace
06/2003
06/25/2003CN2557526Y Integral ball-tooth type drill
06/24/2003US6581482 Sampler for melts
06/19/2003WO2003050314A1 Charging device with rotary chute
06/19/2003WO2003050210A1 Coolable lining for a high-temperature gasification reactor
06/18/2003CN2556493Y Adjustable pulverized-coal spray gun
06/18/2003CN2556205Y Distributing sluice liner for ironmaking blast furnace
06/18/2003CN1424409A Spherical sectional feed flow regulating valve
06/18/2003CN1424408A Sealed feed flow controlling box on top of blast furnace
06/18/2003CN1424407A Roll-over lift seal valves
06/17/2003US6580744 Feed device for a shaft furnace
06/17/2003US6580743 Stave cooler
06/12/2003US20030106673 Cooling system for a metallurgical furnace
06/11/2003CN2555268Y Monitor for blast furnace
06/11/2003CN1422968A Blast furnace tuyere cover of chromium-zirconium-copper and its production process
06/11/2003CN1422712A Non-thermal-resistance cast steel cooling wall and casting method
06/04/2003CN2554185Y Iron-smelting blast furnace top charging distributing gear
06/03/2003US6572674 Process for the treatment of steel work gases
05/2003
05/28/2003CN2552938Y Separator plate combined cooling water tank for blast furnace hydraulic clay gun
05/28/2003CN2552937Y Drilling rod fast connection joint for tapping machine
05/21/2003CN2551654Y Cantilevered cooling brick wall for blast furnace
05/14/2003EP1309731A1 Furnace-wall cooling block
05/14/2003CN2550374Y Heating furnace for blast furnace tuyere
05/14/2003CN2550373Y Sectional prefabricate blast furnace body
05/14/2003CN1417350A Joint soft water sealing and circular cooling system
05/13/2003US6562286 Post mounting system and method for molten metal pump
05/08/2003US20030085496 Device for continuously measuring the temperature in pelletizing furnaces
05/07/2003EP1218550B1 Device for distributing bulk materials with rotary chute having a variable angle of inclination
05/07/2003CN2549011Y Hydraulic clay gun
05/07/2003CN1107662C Blast furnace taphole stemming with low water content and its prepn. method
05/06/2003CA2107096C Agricultural chemical distributor
04/2003
04/30/2003CN1414116A Detecting and analyzing method of unburned coal powder content in blast furnace dust
04/24/2003WO2003033979A1 Cooling plate comprising a reinforcement element
04/24/2003US20030075085 Device for discharging dust from a dry dust collector of a blast furnace
04/23/2003WO2003033982A1 Melt launder
04/23/2003CN2546452Y Bell for blast furnace
04/23/2003CN2546451Y Blast furnace safety tuyere hagioscope
04/23/2003CN1413266A Device and method for controllable feeding gas to metallurgical vessel
04/23/2003CN1412511A Cooling plate for shaft furnace
04/23/2003CA2466802A1 Melt launder
04/16/2003EP1302739A1 Apparatus and method for repairing a damaged portion in a tubular member made of refractory material
04/16/2003EP1302551A1 Cooling plate for shaft furnace
04/16/2003CN2545211Y Cooling column of blast furnace
1 ... 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 ... 84