Patents
Patents for C21B 7 - Blast furnaces (8,339)
09/2002
09/24/2002US6454831 Use of a fine-grained product produced during the production of titanium dioxide
09/18/2002CN2511688Y Molten iron chute
09/10/2002US6446565 Blast tuyere for shaft furnaces, in particular blast furnaces or hot-blast cupola furnaces
09/04/2002EP1149177B1 Dust extraction installation for blast furnace gas
09/04/2002EP1102867B1 Use of a fine-grained product produced during the production of titanium dioxide
08/2002
08/29/2002WO2002046478A3 Cooling device for shaft furnaces and shaft furnaces equipped with a cooling device of this type
08/28/2002CN1366515A Carbonaceous refractory and method for preparing same
08/28/2002CN1089810C Blast furnace charging apparatus
08/21/2002EP1233077A1 System for repairing blast furnace taphole facings
08/21/2002CN2506652Y Slag and iron separatino and desulfuratino device for melten iron of blast over
08/14/2002EP1230402A1 Cooling panel for a shaft furnace, shaft furnace provided with cooling panels of this nature, and a process for producing such a cooling panel
08/07/2002CN2504583Y Multi-roller distributing device
08/07/2002CN2504444Y Toothed rool sealing device of verticle furnace toothed blowdown machine
08/06/2002US6428743 Trough having an erosion-resistant precast shape
07/2002
07/31/2002CN2503073Y Blast furnace top chute distributing apparatus
07/31/2002CN2503072Y Blast furnace distributing chute
07/31/2002CN1361831A Device for distributing bulk materials with rotary chute having a variable angle of inclination
07/17/2002EP1097004A4 High pressure/volume process for wet shotcreting a refractory castable
07/17/2002EP0956368B1 Device for directly monitoring the charging process on the inside of a shaft furnace
07/17/2002CN2500686Y Combined blast-furnace cooling water monitoring valve
07/10/2002CN2499403Y Viewing and cleaning device for blast furnace photographic instrument
07/10/2002CN1358234A Feed device for shaft furnace
07/10/2002CN1087414C Method and apparatus for improving heat and dust recovery in waste heat boiler
07/09/2002US6416708 Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature
07/03/2002EP1218550A1 Device for distributing bulk materials with rotary chute having a variable angle of inclination
07/03/2002EP1218549A1 Copper cooling plate for metallurgical furnaces
06/2002
06/27/2002DE10061359A1 Kühleinrichtung für Schachtöfen sowie mit einer solchen Kühleinrichtung ausgestattete Schachtöfen Cooler for blast furnaces and equipped with such a cooling device shaft furnaces
06/26/2002CN2496875Y Split small bell for blast furnace
06/26/2002CN2496558Y Blast furnace hot spray-repair spraying apparatus
06/20/2002WO2002048406A1 Cooling system for a metallurgical smelting furnace
06/20/2002DE10064316A1 Production of pig iron in a blast furnace comprises blowing the additives together with a gasifying agent containing oxygen and/or carrier gas into tuyeres additionally arranged in the bosh and/or shaft
06/19/2002EP0968152B1 Carbon containing refractory composition
06/19/2002CN1354801A Method for manufacture of composite cooling element for melt zone of metallurgical reactor and composite cooling element manufactured by said method
06/19/2002CN1354156A Anhydrous refractory tamping plug for small blast furnace
06/13/2002WO2002046478A2 Cooling device for shaft furnaces and shaft furnaces equipped with a cooling device of this type
06/13/2002US20020070488 Method and appartus for efficient utilization of a cryogen for inert cover in metals melting furnaces
06/12/2002EP1212469A1 Method for determining the trajectory of materials when charging a shaft kiln
06/12/2002EP0996747B1 Refractory wall structure
06/12/2002CN2494832Y Pneumatic machine for opening the tap holes
06/11/2002US6403021 Method of constructing a blast furnace body and lifting transfer apparatus
06/05/2002EP1129220B1 Device for dispensing bulk materials
06/05/2002CN2494362Y Pneumatic tapping machine with counter-beating mechanism
06/05/2002CN2494361Y Environment protection pneumatic tapping machine joint body
05/2002
05/21/2002US6390268 Device for dispensing bulk materials
05/15/2002CN2491457Y Suspension pneumatic tapping machine
05/10/2002WO2002037044A1 Cooling element
05/08/2002EP0862657B1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores
05/02/2002WO2002035168A1 Blast furnace wall cooling panel
05/02/2002WO2002035167A1 Stave cooler
05/02/2002EP1200632A1 Method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor and a composite cooling element manufactured by said method
05/01/2002CN1347461A Stave for cool shaft kiln
05/01/2002CN1083888C Method for cooling shaft furnace loading device
05/01/2002CN1083745C Assembling and deassembling machine for joggled member
04/2002
04/30/2002US6379608 Method for closing and opening a tapping hole of a metallurgical vessel
04/11/2002WO2002029122A1 Throat armour for a blast furnace
04/11/2002DE10049707A1 Cooling element used in blast furnaces comprises a region through which the coolant passes with an arrangement of internal coolant-conveying channels extending via a mouth region of tubular pieces into the edge region of the cooling element
04/04/2002WO2002027042A1 Method for cooling a blast furnace with cooling plates
04/03/2002CN2484335Y Blasting furnace with camera head
04/03/2002CN2484334Y Automatic display instrument for distributor state of blasting furnace
04/03/2002CN2484333Y Blast-furnace cooper cooling wall
03/2002
03/28/2002WO2002024962A1 Variable device for bulk material distribution with rotary chute having variable angle of inclination
03/27/2002EP1191110A1 Method for automatically controlling hydraulic opener
03/27/2002EP1190103A1 Throat closing device for shaft furnaces, especially blast furnaces having a material feeding hopper
03/27/2002CN2483613Y Composite coal power jetting tube device
03/27/2002CN1341573A Baking-free rumming mass for iron tap channel of blast furnace and its preparation method
03/20/2002EP1187940A1 Feed device for a shaft furnace
03/20/2002CN1341202A Stave cooler
03/20/2002CN1341152A Compact blast furnace installation
03/13/2002CN2481727Y Wet dust collector for smoke gas of blast furnace
03/13/2002CN2481726Y Middle and small jacket of tuyere or slag hole for double-runner multichamber blast furnace
03/13/2002CN2481725Y Blast furnace capable of visual leakage detecting cooling wall
03/12/2002CA2045915C Device for mounting and dismounting shaft-furnace tymps
03/06/2002EP1183396A1 Stave for cool shaft kilns
03/06/2002CN1080314C 立式炉的冷却元件 Vertical furnace cooling element
02/2002
02/27/2002CN2479025Y Copper core composite cooling wall for blast furnace
02/20/2002EP1180550A2 Oxygen lance
02/14/2002WO2002012571A1 Gas compression valve for a feeding device of a blast furnace
02/07/2002US20020014724 Method of scrapping furnace bottom section of blast furnace
02/07/2002DE10035830A1 Apparatus for cooling exothermally operating production plants, e.g. blast and cupola furnaces, comprises cooling water cycle with cooling water supply container and degassing device for degassing cooling water
02/06/2002EP1178274A1 Stave cooler
02/06/2002CN2475736Y Pulsed jet blower for blast furnace
01/2002
01/30/2002CN1333379A Disassembling method for blast-furnace bottom
01/29/2002US6342086 Method and apparatus for improved EAF steelmaking
01/24/2002DE10063701A1 Scrapping the bottoms of blast furnace comprises horizontally cutting oven body above solidified residual, hanging upper furnace bottom above cutting position, and removing part of casing and lining
01/23/2002CN2473215Y Composite cooling wall for blast furnace cast steel
01/23/2002CN2473214Y New furnace shell of blast furnace iron making
01/23/2002CN1332806A Bell and hopper for shaft furnaces
01/16/2002EP1114190A4 Blast furnace with narrowed top section and method of using
01/16/2002CN2471789Y Separate blast furnace feed bell
01/16/2002CN2471788Y Lining structure of blast furnace
01/16/2002CN1331791A Pyrometallurgical reactor cooling element and its manufacture
01/15/2002US6338815 Steel cables driven furnace top chute feeder for blast furnace
01/09/2002CN1330722A Cooling panel for furnace for producing iron or steel
01/09/2002CN1330160A Method for in-situ measuring charge of blast furnace
12/2001
12/27/2001US20010054502 Cooling plate and method for manufacturing a cooling plate
12/26/2001CN1328162A Cooling wall of blast furnace and its making technology
12/26/2001CN1327962A Refractory for regenerating water cooling tubes of blast furnace
12/20/2001WO2001096615A1 Furnace-wall cooling block
12/20/2001WO2001096614A1 Lining for use in blast furnaces
12/20/2001US20010052556 Injector
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