Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 7 - Blast furnaces
Patents for C21B 7 - Blast furnaces (8,339)
06/1999
06/16/1999EP0922115A1 Runner for a hot melt, runner system and method for conveying a hot melt
06/16/1999CN2324158Y 钎杆 Rod
06/10/1999WO1999028727A1 Device for removing slag samples
06/10/1999WO1999028676A1 Device for protecting the injection tip of a burner and heating device comprising it
06/10/1999WO1999028510A1 Method for cooling a shaft furnace loading device
06/10/1999DE19752743A1 Vorrichtung zur Entnahme von Schlackenproben Device for removal of slag samples
06/09/1999EP0921199A1 Method of lining a blast furnace
06/09/1999CN2322974Y Multiple tuyere
06/02/1999EP0919769A1 Device for protecting the injection tip of a burner and heating device comprising it
06/02/1999EP0862657A4 Duplex procedure for the production of metals and metal alloys from oxidic metal ores
06/02/1999CN2321785Y Blast furnace top temp. measurer
06/02/1999CN2321784Y Furnace top material flow regulator for blast furnace without bell
06/02/1999CN2321783Y Blast furnace coal powder blowing gun
05/1999
05/26/1999EP0918092A1 Cooling devices for shaft furnace
05/25/1999CA2152683C Method of lining a blast furnace
05/20/1999WO1999024624A1 Filling composition for blast furnace tap holes
05/20/1999CA2254758A1 Method of lining a blast furnace
05/20/1999CA2254281A1 Cooling elements for shaft furnaces
05/18/1999US5904893 Plate cooler for metallurgical furnaces, blast furnaces, direct reduction reactors and gassing units provided with a refractory lining particularly for the iron and steel industry
05/14/1999WO1999023262A1 Method of operating blast furnace
05/12/1999EP0914476A1 Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same
05/12/1999EP0914473A1 Tap hole drilling machine for blast furnace, drill bit for use in tap hole drilling machine, and tap hole drilling method
05/12/1999CN2318228Y Blast-furnace tuyere small leak detector
05/12/1999CN2318227Y Blast furnace throat thermonetric device with gas sampling function
05/06/1999DE19748797A1 Füllmasse für Hochofenabstichlöcher Coatings for Hochofenabstichlöcher
04/1999
04/21/1999CN2315122Y Cross temperature measurer for wedge blast furnace
04/21/1999CN1214739A Charging device for blast furnace
04/15/1999WO1999018244A1 Method and apparatus for installation of refractory material into a metallurgical vessel
04/15/1999CA2305648A1 Method and apparatus for installation of refractory material into a metallurgical vessel
04/14/1999CN2313932Y Indicating mechanism for clay gun of blast furnace
04/08/1999WO1999017106A1 Method for monitoring the wear and extending the life of blast furnace refractory lining
04/06/1999US5890805 Method for monitoring the wear and extending the life of blast furnace refractory lining
03/1999
03/31/1999EP0904414A1 Refractory material
03/31/1999EP0738780B1 Method of operating blast furnace
03/30/1999US5888448 Tap-hole drilling machine
03/24/1999CN1042648C Rotary body suspension device
03/23/1999CA2052170C Pyrometallurgical process for treating a feed material
03/17/1999CN2310767Y Tuyere middle bushing dismounting device for blast furnace
03/17/1999CN1210891A Cooling plate for vertical furnace
03/16/1999US5882583 precast module leveling assembly for a metallurgical vessel
03/09/1999US5879616 Metallurgical vessel and method of using the same
03/03/1999CN2309342Y Ceramic tuyere of blast furnace
03/03/1999CN2309341Y Blast furnace body
03/02/1999CA2096805C A direct-reduction process for directly reducing particulate iron-oxide-containing material
02/1999
02/25/1999WO1999009219A1 Probe scanning system and built-in burden material defining sensor
02/17/1999CN2307794Y String of pot type blast furnace top equipment
02/10/1999CN2307002Y Gas exhaust valve for blast furnace
02/10/1999CN2307001Y Lining continuous bulge multisectional choke type heating furnace
02/09/1999CA2135667C Shaft furnace
01/1999
01/28/1999WO1999004044A1 Rotating mechanism with arm
01/21/1999WO1999002738A1 Pivoting device with arm and control rod
01/20/1999CN2304660Y Tractor for steel wire of blast furnace cone
01/20/1999CN1205743A Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores
01/14/1999DE19725415A1 Cleaning method for container or pipeline viewing window
01/13/1999CN2303850Y Detecting gun of vacuum sampler
01/13/1999CN1041639C Loading device having rotating chute for shaft furnace
12/1998
12/30/1998EP0887608A1 Precast module leveling assembly for a metalurgical vessel
12/30/1998EP0887428A1 Cooling plate for shaft furnace
12/30/1998EP0887131A1 Improved metallurgical vessel and method of using the same
12/30/1998EP0886775A1 Method and immersion sensor to measure electrochemical activity
12/30/1998EP0886751A1 Ladle brick leveling set
12/30/1998CN2302259Y Furnace intelligent level detecting device
12/25/1998CA2241413A1 Cooling plates for shaft furnaces
12/24/1998DE19726540A1 Molten stream impingement pot especially for tilting launder
12/23/1998WO1998058087A1 Chute feeder drived by steel cable within the top of blast furnace
12/23/1998CN2301450Y Furnace top feed and distributing device for blast furnace
12/23/1998CN2301449Y Durable flame-retardant oxygen blowing lance
12/23/1998CN1202409A 炮泥制作机 Stemming maker
12/17/1998WO1998056960A1 Slewing mechanism with an arm
12/16/1998CN2300654Y Monitor controller for blast furnace cooling water safety operation
12/16/1998CN1041217C Continuous measuring unit for smelting process of blast furnace and method therefor
12/11/1998CA2239268A1 Precast module leveling assembly for a metallurgical vessel
12/11/1998CA2238855A1 Improved metallurgical vessel and method of using the same
12/03/1998WO1998054367A1 Refractory wall structure
11/1998
11/25/1998CN2298258Y Weighing funnel
11/25/1998CN2298257Y Segregation distributing mechanism for sintering machine
11/25/1998CN2298256Y Processing machine for blast-furnace water slag
11/18/1998CN1199098A Judgement method of blast furnace cooling wall work and damage state based on cooling water temperature change
11/18/1998CN1040773C Device for loading shaft furnace
11/17/1998US5837631 Molded silicon carbide bodies
11/12/1998WO1998050590A1 Tap hole drilling machine for blast furnace, drill bit for use in tap hole drilling machine, and tap hole drilling method
11/11/1998EP0585422B1 Agricultural chemical distributor
11/04/1998EP0687309B1 Method and plant for removing and recycling of materials
11/04/1998CN2296345Y Bell lifter for double bell blast furnace
11/04/1998CN2296344Y Iron outlet opening machine of blast furnace
11/03/1998US5829968 Charging device for a shaft furnace
10/1998
10/28/1998CN2295762Y Internal monitor of blast furnace
10/28/1998CN2295761Y Tuyere attaching/detaching apparatus of blast furnace
10/28/1998CN2295760Y Coal powder single pipeway blowing unit of blast furnace
10/28/1998CN1197118A Full automatic dusting system with fuzzy control
10/21/1998CN2294957Y Forming device for tuyere elbow-flue of blast furnace
10/21/1998CN1040337C Distribution chute for bulk material of no-bell blast-furnace top feeder
10/20/1998US5824263 Ladle brick leveling set
10/14/1998CN1195704A Shaft furnace top distributing gear
10/13/1998US5820815 Cooled tapping device
10/07/1998CN1195029A Method for continuously detecting burning loss of blast furnace lining
10/01/1998DE19727008C1 Cooling plates for shaft furnaces
09/1998
09/30/1998CN1040027C Method for producing lining of blast furnace hot metal bottle by vibration forming and its casting material
09/24/1998WO1998041487A1 Carbon-containing refractory tap hole clay composition
09/23/1998CN2292092Y Blast furnace top feed runner replacing device
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