Patents
Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707)
06/1999
06/02/1999CN2322108Y High-temp. energy-saving cupola furnace
05/1999
05/27/1999WO1999025881A1 Device for withdrawing lumpy material
05/27/1999CA2310022A1 Device for withdrawing lumpy material
05/26/1999EP0918092A1 Cooling devices for shaft furnace
05/26/1999CN2320969Y Cleaning device without blowing-out for cement kiln
05/26/1999CN2320968Y Wet combined dust collector for cement kiln
05/25/1999CA2152683C Method of lining a blast furnace
05/20/1999WO1999024626A1 Withdrawal device for a shaft furnace
05/20/1999CA2308388A1 Withdrawal device for a shaft furnace
05/20/1999CA2254758A1 Method of lining a blast furnace
05/20/1999CA2254281A1 Cooling elements for shaft furnaces
05/19/1999CN2319766Y Annular furnace for return heat burning of bulk
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
05/11/1999US5903591 Apparatus and process for activation of carbonaceous char or reactivation of spent carbon by electrical resistance heating
05/05/1999CN2317450Y Oven device for lithotome colouring
05/05/1999CN1043269C Cooled gate valve disk
04/1999
04/28/1999CN2316615Y Dust filtering boiling vertical kiln
04/21/1999EP0909333A1 Arc furnace with an electrode receiving chamber
04/20/1999CA2083129C Electric arc furnace arrangement for producing steel
04/14/1999EP0908692A2 Process for operating a regenerator and regenerator
04/14/1999CN2314319Y Strengthened discharging grate for vertical mechanical kiln
04/14/1999CN2314318Y Vertical inner-heating activated carbon regenerating furnace
04/14/1999CN2314317Y Vertical cement kiln
04/14/1999CN2314316Y Calciner
04/06/1999US5890889 Shaft furnace
03/1999
03/30/1999US5888458 Melting furnace of metals and melting method thereof
03/30/1999CA2083883C Device for distributing pneumatically handled, pulverulent solids into a large diameter annular section, and kiln equipped therewith
03/17/1999CN1210891A Cooling plate for vertical furnace
03/11/1999WO1999011825A1 Device for producing sponge iron
03/11/1999CA2301266A1 Device for producing sponge iron
03/10/1999CN2310300Y Automatization mechanical vertical kiln
03/04/1999DE19739443A1 Vorrichtung zur Erzeugung von Eisenschwamm Device for producing sponge iron
02/1999
02/25/1999WO1999009219A1 Probe scanning system and built-in burden material defining sensor
02/17/1999EP0896636A1 Smelting-reduction apparatus, and method for producing molten pig iron using the smelting reduction apparatus
02/09/1999CA2135667C Shaft furnace
01/1999
01/28/1999WO1999004045A1 Shaft furnace
01/28/1999CA2296318A1 Shaft furnace
01/27/1999CN2305636Y Smelting, refining and thermal insulation integrated power frequency industion furnace
01/20/1999CN1205743A Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores
01/13/1999CN1041639C Loading device having rotating chute for shaft furnace
01/12/1999CA2097234C Method and apparatus for feeding reaction gases into a smelting furnace
01/07/1999DE19729624A1 Furnace for thermal treatment of raw material e.g. iron
12/1998
12/30/1998EP0887428A1 Cooling plate for shaft furnace
12/25/1998CA2241413A1 Cooling plates for shaft furnaces
12/23/1998WO1998058087A1 Chute feeder drived by steel cable within the top of blast furnace
12/23/1998CN2301690Y Internal secondary cooling device for shaft furnace
12/22/1998CA2136771C Drop-in furnace lining
12/09/1998CN2300064Y Disk and drum discharging grid for cement mechanical vertical kiln
12/09/1998CN2300063Y Water-cooled cupola
12/02/1998CN2299290Y Bottom air intake device of mechanical vertical kiln
11/1998
11/24/1998US5840097 Method for direct reduction of oxides
11/18/1998CN1199028A Wet collecting and dry exhausting method for dust removal of flue gas of vertical cement kiln
11/18/1998CN1040773C Device for loading shaft furnace
11/03/1998US5829968 Charging device for a shaft furnace
10/1998
10/29/1998WO1998021536A3 Operating method and device for a shaft furnace
10/28/1998CN2295976Y Well type carburizing furnace base
10/28/1998CN1040460C Process and appts. for producing molten pig iron or molten steel preproducts
10/22/1998WO1998046954A1 Method and calcining furnace for electric calcining of carbonaceous material
10/22/1998CA2285961A1 Method and calcining furnace for electric calcining of carbonaceous material
10/21/1998CN2295175Y Multi-purpose double-layer energy-saving cap for machine vertical kiln
10/21/1998CN2295174Y Smelting furnace
10/21/1998CN2295173Y Whole-water-cooling lining-less ore melting furnace
10/20/1998US5824244 Lime mud regeneration process
10/14/1998CN2294436Y Pretreatmeng arsenious sulfur furnace for gold sulfide
10/14/1998CN1195704A Shaft furnace top distributing gear
10/07/1998CN2293782Y Stepped shaft kiln cone
10/01/1998DE19727008C1 Cooling plates for shaft furnaces
09/1998
09/30/1998EP0867414A1 Graphite liner and heating element impregnated with vitreous carbon for a furnace for drawing optical fibers
09/30/1998EP0867413A1 A method for drawing an optical fibre from a glass preform
09/30/1998EP0867412A1 Thermal insulation of a furnace for drawing optical fibres
09/30/1998CN1194670A Process for recovering and disposing of residues produced in cupola furnaces
09/23/1998CN2292261Y Temp.-controlled medicine calcining oven
09/23/1998CN2292260Y Fluid state decomposing furnace
09/16/1998CN2291631Y Mechanical vertical kiln for making cement
09/16/1998CN2291630Y Energy-saving recuperative furnace
09/16/1998CN1039828C Method for disposal/recycling of gas cylinders containing filling material
09/09/1998EP0863215A1 Charging top closure for shaft furnace
09/09/1998EP0862657A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores
09/07/1998CA2229738A1 Top closing device for shaft furnaces
09/03/1998WO1998038465A1 Apparatus for charge distribution in shaft furnaces
09/02/1998CN2290005Y Vertical pearlite expansion furnace
08/1998
08/19/1998CN1190730A Wet method combined dust collector for cement vertical kiln
08/18/1998US5795508 Method of lining a blast furnace
08/12/1998EP0764220B1 Loading device having a rotating chute for a melting furnace
08/05/1998CN2287281Y Mechanic vertical kiln with hydraulic rack peripheral transmission
08/05/1998CN1189890A Process for melting of metal materials in a shaft furnace
07/1998
07/21/1998US5782973 Volatization of alkali compounds and decomposition of sulfur compounds using fluidized bed reactor by addition of air bleed; combustion; oxidation; heat exchanging
07/16/1998WO1998030345A1 Method of producing a cooling plate for iron and steel-making furnaces
07/15/1998EP0852692A1 Method of melting oxidic slags and combustion residues, and device for carrying out this method
07/15/1998CN2286302Y Cement kiln with combination waistwind device
07/15/1998CN1039114C Method and apparatus for manufacture of cement clinker
07/08/1998CN2285880Y Vertical atmospheric hot-water boiler
07/02/1998WO1998028448A1 Smelting-reduction apparatus, and method for producing molten pig iron using the smelting reduction apparatus
07/02/1998DE19654774A1 Shell for shaft furnace, annular furnace or similar unit
07/01/1998CN2285293Y Material ball stoving tower for vertical cement kiln
07/01/1998CN1186217A Heating furnace with openable body
06/1998
06/24/1998EP0849555A1 Furnace for firing a glasslined product
06/24/1998CN1185488A Sintering furnace for enamel product
06/23/1998US5769627 Vertical type calcination kiln
06/17/1998EP0848223A1 Vertical heat treatment device
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