Patents
Patents for C21B 7 - Blast furnaces (8,339)
04/1996
04/10/1996CN1120354A Tapping method of blast furnace
04/10/1996CN1120073A Auto-adjusting technology and device for semi-purifying gas temp. of blast furnace doth bag dust remover
04/09/1996US5505434 Method and apparatus for improving heat and dust recovery in a waste heat boiler
04/08/1996CA2159964A1 Cooling plate for shaft furnaces
04/02/1996US5503373 Shaft furnace
03/1996
03/27/1996EP0703198A2 Carbon refractory for blast furnace and method for manufacturing such carbon refractory
03/20/1996CN1031352C Plant building structure for blast furnase tapping site
02/1996
02/28/1996CN1117527A Brick-building art at the area of tuyeres of blast furnace
02/27/1996US5494267 Pumpable casting composition and method of use
02/27/1996US5494263 System for solid material charging into vertical reactors by electronic control of the exhaust gases
02/22/1996DE4437548C1 Additive contg. used titanium di:oxide catalyst
02/20/1996CA2025409C Shaft furnace
02/14/1996CN2219896Y Oxygen and coal burner for blast furnace tuyere
02/07/1996CN2219305Y Lid-moving machine for blast furnace
02/07/1996CN2219304Y Gas escape valve for top of blast furnace
02/06/1996US5489325 Process for producing metals and metal alloys in a smelt reduction vessel
02/06/1996US5489166 Method and device for removing solid residues from a gas purification installation
01/1996
01/31/1996EP0694619A2 Method of lining a blast furnace
01/31/1996CN2218747Y Oxygen enriching lance for blowing and burning blast furnace iron mouth
01/31/1996CN1030841C Oxycoal burner for blast furnace and protection method thereof
01/31/1996CN1030840C Machine for piercing a tap-hole for a shaft furnace
01/30/1996US5487532 Device for inserting a lance into a pressurized container, in particular a blast furnace
01/25/1996WO1996001700A1 Process for applying low-cement castable refractory material
01/24/1996CN2218183Y Controller of blast furnace detector
01/24/1996CN2218182Y Pneumatic dust discharger by blast furnace residued gas pressure
01/23/1996CA1337958C Process and device for introducing additives into a furnace
01/16/1996US5484138 Consumable form with adjustable walls
01/11/1996DE4420450A1 Coolable lining for high temp. waste gasification reactor
01/10/1996CN1114630A Rotational flow distributor for high concentration powder-gas mixture
01/10/1996CN1030668C Probe for taking gas samples and heat measurements above charing surface of shaft furnace
01/02/1996US5481247 Blast furnace tuyere sensor system
12/1995
12/28/1995WO1995035473A1 Permanent device for emptying the draining channels of metallurgical apparatuses and its use
12/27/1995EP0688875A1 Tapping method of blast furnace
12/27/1995CN1113956A Method for producing lining of blast furnace hot-metal bottle by vibration forming
12/21/1995WO1995034689A1 Rotary body suspension device
12/20/1995EP0687309A1 Method and system for removing and/or causing recycling of materials
12/20/1995CN2215492Y Convex platform inclined cooling wall
12/20/1995CN2215491Y Composite brick for blast furnace
12/20/1995CN1113519A Continuous measuring unit for smelting process of blast furnace and method therefor
12/20/1995CN1030531C Transport method for concentrate phase coal spray in blast furnace
12/19/1995US5476250 Machine for piercing a taphole for a shaft furnace
12/14/1995WO1995033858A1 Loading device having a rotating chute for a melting furnace
12/13/1995CN2214950Y Blast branch joint of blast furnace
12/13/1995CN1030507C External non-bell cap chute drive arranger for furnace
12/06/1995CN1030471C Machine for piercing a taphole for a shaft furnace
11/1995
11/29/1995CN2213733Y Jetting Weighing device of blast furnace coal dust
11/29/1995CN1030398C Spray bituminous coal system for blast furnace
11/22/1995CN2213163Y Winding rope takeup for charging wagon of blast furnace
11/15/1995EP0580693B1 Trap trench
11/02/1995WO1995029137A1 Metallurgical furnace vacuum slag removal
10/1995
10/31/1995US5462433 Device for blowing preheated air into a shaft furnace
10/31/1995US5462260 Device for inserting a lance into a pressurized container, in particular a blast furnace
10/25/1995CN1110785A Measuring method of powder flow in pipeline
10/25/1995CN1110718A Gas supply and control device for spraying oxygen in blast furnace
10/19/1995CA2142412A1 Coatings for receptacles
10/18/1995CN1030087C Machine for boring a tap hole of a shaft furnace
10/17/1995US5458320 Accretion controlling tuyere
10/11/1995CN1029943C Method for avoiding generation of flue gas in metallurgical process and during transportation of melted metal from metallurgical vessel to pouring vessel
10/10/1995CA2018703C Channel structure for flow of molten pig iron
09/1995
09/26/1995US5453115 Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same
09/20/1995EP0672880A1 Wear lining of a shaft furnace and relevant brick
09/20/1995CN2208047Y Spacer cooling water tank for hydraulic clay gun for blast furnace
09/19/1995US5451034 Device for the injection of pulverized coal into a blast furnace crucible
09/06/1995CN2206789Y Gas supply and control device for blast furnace oxygen coal jetting oxygen
09/05/1995US5447292 Method for the injection of a plugging mass in a tapping hole of a metallurgical reactor, such as a blast furnace
08/1995
08/31/1995DE19502591A1 Vorrichtung zum Auswechseln der Bohrstangen und/oder der Abstichstangen an einer Maschine zum Bohren eines Abstichloches The device for exchanging of the drill rods and / or the Abstichstangen on a machine for drilling a tap hole
08/30/1995CN2206297Y Tap-hole opening machine
08/30/1995CN1107574A Spray repairing machine for blast furnace and operation method thereof
08/29/1995US5445668 Reduced iron particles obtained are melted in a melter gasifier under supply of coal and oxygen-containing gas under simultaneous formation of the reducing gas
08/24/1995WO1995022732A1 Internal refractory cooler
08/10/1995WO1995021272A1 Device for distributing a loose material
08/09/1995CN1029483C Cooling device for distribution chute of installation for charging shaft furnace
08/08/1995US5439504 Direct-reduction process for directly reducing particulate iron-oxide-containing material
08/02/1995CN2204301Y Burden-distributing driving box for blast furnace without bell
08/02/1995CN1029410C Airflow double metal welding tuyer and its manufacturing method
08/01/1995US5437890 Slurry of slag fines, lime and water
07/1995
07/27/1995WO1995004910A1 Charge preheater
07/26/1995CN2203977Y Sectional tuyere of blast furnace with two cavities with homogeneous flow
07/25/1995US5435835 Method and system for removing and/or causing recycling of materials
07/25/1995US5435526 Collecting pit
07/13/1995WO1995018871A1 Method and system for removing and/or causing recycling of materials
07/11/1995US5431709 Accretion controlling tuyere
07/06/1995WO1995018237A1 Tapping method of blast furnace
07/05/1995EP0660767A1 Regulation of flowrate of liquid furnace products
07/05/1995CN2202750Y Separated blast furnace gun head
07/05/1995CN1104774A Device for inserting a lance into a pressurized container, in particular a blast furnace
06/1995
06/27/1995US5427604 Alloy material addition method and apparatus for smelting and melting furnaces
06/22/1995WO1995016795A1 Furnace spraying repair device
06/20/1995US5425229 Process for utilizing the energy contained in the blast furnace gas of a shaft furnace
06/14/1995CN2200642Y Combined waterless cold magnesium blast furnace iron sand notch
06/14/1995CN1028907C Probe for taking gas samples and temperature measurement in shaft furnace
06/07/1995EP0656516A1 Alloy material addition method and apparatus for smelting and melting furnaces
06/07/1995CN1103432A Traveling bent pipe-belly pipe disassembly-and-assembly machine
06/01/1995WO1995014793A1 Device for loading a shaft furnace
05/1995
05/30/1995US5419493 Agricultural chemical distributor
05/16/1995US5415692 Apparatus for applying material against the wall of a molten metal discharging hole
05/10/1995CN2196630Y Blast-furnace cloth chute back-lining
05/10/1995CN1102439A Distribution chute for bulk material
05/10/1995CN1028374C Device for determining topographic map of loading surface of shaft furnace
05/03/1995CN2196121Y Conic distributor with stuff cone
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