Patents for F27D 17 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases (7,646)
05/1999
05/11/1999CA2154299C Electric arc furnace post combustion method
05/04/1999US5899689 Furnace for processes and treatments in a sub-stoichiometric atmosphere
04/1999
04/27/1999US5898726 Preheater for arc furnaces
04/27/1999US5897702 Removal of sulfur oxides from preheater off gases
04/20/1999US5896409 Fume intake and cooling device for electric arc furnaces
04/15/1999DE19745109A1 Horizontal waste heat boiler with a suspension melting furnace
04/14/1999EP0908692A2 Process for operating a regenerator and regenerator
04/14/1999EP0907401A1 Integrated voc entrapment system for regenerative oxidation
04/14/1999CN1042955C Sponge iron prodn. process and plant for application
04/13/1999US5893268 Fusion heat recovery and combustion gases filtering system with electric power production
04/01/1999DE19742453A1 Regenerator for cleaning and recovering heat from ceramic kiln flue gases
03/1999
03/31/1999EP0905262A1 Heating method and heating apparatus
03/31/1999CN2312436Y Multi-functional hot wind stove for drying use
03/30/1999US5889810 Apparatus for preheating and melting of scrap and process for the same
03/24/1999EP0858365B1 Method of returning a finely-divided solid extracted from a reactor vessel using a gas
03/18/1999DE19740656A1 Cleaning waste gas from electrically heated ovens
03/18/1999DE19740616A1 Gas cleaning equipment for electric kiln firing ceramics
03/16/1999US5883361 Diffusion bonding furnace having a novel press arrangement
03/09/1999US5878699 Process furnace
03/04/1999DE19737220A1 Metallurgical furnace for production of nonferrous metals from a melt by ausmelt technology
02/1999
02/17/1999EP0896958A1 Process and apparatus for combined production of cement clinker and electric current
02/10/1999CN1041994C Dry-type exhaust gas desulfurizing apparatus
01/1999
01/28/1999WO1999003794A1 Method and apparatus for cooling exhaust gas from bypass of kiln
01/20/1999EP0892236A1 Cooled ladle cover
01/20/1999EP0892078A1 Grating for a recuperator
01/19/1999US5860805 Effluent-gas-scavenger system for process tube, minimizing back diffusion and atmospheric contamination
01/19/1999CA2149519C Method and apparatus for cooling hot gases
01/12/1999US5858059 Injecting feed streams through conduits into molten bath, creating jets which combine to form fan jet region
01/12/1999US5858058 Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials
12/1998
12/09/1998CN1201403A Method of returing finely-divided solid carried by gas extracted from reactor vessel
12/08/1998US5846480 Aluminum remelting furnace, in particular for melting aluminum scrap to be recycled
12/08/1998US5846072 Indirect-fired, all ceramic pyrochemical reactor
12/08/1998CA2152867C Hood style exhaust system construction
11/1998
11/26/1998WO1998053106A1 Loading system for electric arc furnaces
11/18/1998EP0878681A2 Firing control apparatus and firing control method
11/12/1998WO1998009491A3 Pre-heating of process stream for thermal oxidizers
11/10/1998US5835525 Furnaces and linings having segments with surfaces configured to absorb and reradiate heat
11/10/1998US5833938 Destruction of volatile organic compounds in a process air stream, pollution control
11/05/1998WO1998049355A1 Process and device for recovering raw materials from waste and residues
11/04/1998EP0796349B1 Sponge iron production process and plant
11/04/1998CN2296504Y Smoke prevention and dust control system for kiln and furnace
11/04/1998CN1197920A Firing control device and method
10/1998
10/22/1998WO1998046345A1 Discharge system for a reactor
10/21/1998EP0871842A1 Heat exchange media in regenerative thermal oxidizers
10/20/1998US5823770 Process and apparatus for oxidizing components of a feed gas mixture in a heat regenerative reactor
10/14/1998EP0871004A1 Gas flow furnace
10/07/1998EP0868640A1 A fluidized catalytic cracking apparatus with contained vortex third stage separator
10/07/1998CN1040129C Method and device for regulating combustion air flow rate of flue gas collection device of metallurgical reactor
10/06/1998US5816796 Flue gas control
10/06/1998US5816317 Apparatus for heat transfer from dust laden gases to fluids
10/06/1998CA2120794C Spray cooled hood system for handling hot gases from a metallurgical vessel utilizing pneumatic processing of molten metal
09/1998
09/29/1998US5813451 Apparatus for heat transfer from dust laden gases to fluids
09/16/1998EP0717830B1 Continuous furnace
09/03/1998WO1998038344A1 Heating method and heating apparatus
09/02/1998CN1039657C Production method and apparatus for preheating mixed sinter material using sintered hot waste gas
09/02/1998CN1039656C Spray cooled hood system for handling hot gases from a metallungical vessel utilizing pneumatic processing of molten metal
08/1998
08/27/1998DE19720620A1 Heat treatment plant with treatment chamber
08/25/1998US5797336 Process for the combustion of waste material with production of thermal energy
08/20/1998WO1998021373A3 Process for reducing fume emissions during molten metal transfer
08/19/1998EP0858365A1 Method of returning a finely-divided solid extracted from a reactor vessel using a gas
08/12/1998EP0857934A1 Soundproofed conduit to discharge fumes
08/07/1998CA2228947A1 Soundproofed conduit to discharge fumes
08/05/1998EP0856588A2 Heat treating furnace for a continuously supplied metal strip
07/1998
07/28/1998US5787108 Exhaust device for electric arc furnaces and relative method
07/28/1998US5785929 Eliminates toxic components of waste gas resulting from semiconductor manufacturing
07/28/1998US5785923 Useful for melting metals, glasses and ceramics; includes metler housing, joule heated melter and an offgas outlet
07/28/1998CA2099796C Enhanced reagent utilization for dry or semi-dry scrubber
07/22/1998EP0854198A1 Process and apparatus for charging and melting small-sized light metal scrap
07/22/1998EP0645584B1 Method of operating a plasma furnace
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
07/15/1998CN1187613A Method and device for treating waste gas from smelting furnace
07/15/1998CA2227126A1 Process and device for melting light metals
07/01/1998EP0851175A1 Method and apparatus for treating process gases in a circulating fluidised bed
07/01/1998CN1186219A Use, treatment and apparatus of mineral heating furnace flue
06/1998
06/30/1998CA2222958A1 Method of and apparatus for treating process gases in a circulating fluidized bed
06/25/1998WO1998027017A1 Recuperator for furnaces
06/23/1998US5770165 Regenerative thermal oxidizer with floor-mounted media support
06/23/1998US5769628 Furnace exhaust system with regulator
06/17/1998EP0848138A2 Fusion heat recovery and combustion gases filtering system with electric power production
06/17/1998CN2284372Y Energy saving device of heating furnace
06/09/1998US5762682 Heat treatment and sealing with deaeration
06/02/1998US5759495 Method and apparatus for treating hot gases
05/1998
05/28/1998DE19648595A1 Recovering energy produced during ceramic building material production
05/26/1998US5755569 Media for heat exchange columns in regenerative thermal oxidizers
05/22/1998WO1998021373A2 Process for reducing fume emissions during molten metal transfer
05/22/1998CA2270949A1 Process for reducing fume emissions during molten metal transfer
05/19/1998US5752819 Exhaust system for high temperature furnace
05/13/1998CN1181807A Preheater for arc furnace
05/06/1998CN1180827A Furnace for processes and treatments in sub-stoichiometric atmosphere
04/1998
04/22/1998EP0805878A4 Method for co-producing fuel and iron
04/15/1998EP0836066A1 Furnace for processes and treatments in a sub-stoichiometric atmosphere
04/08/1998CN1178559A Melt reduction equipment and operating method
03/1998
03/31/1998US5733356 Method and device for processing free-flowing materials
03/25/1998EP0830182A1 Vaporizable material injection into molten bath
03/18/1998EP0828859A1 Process for recovering and disposing of residues produced in cupola furnaces
03/18/1998EP0772732A4 Two chamber regenerative oxidizer with purging circuit
03/12/1998WO1998009491A2 Pre-heating of process stream for thermal oxidizers
03/12/1998CA2263880A1 Pre-heating of process stream for thermal oxidizers
02/1998
02/11/1998EP0823487A1 Melt reduction equipment and operating method
02/03/1998US5713977 Fixed bed filtering preheater process for high temperature process furnaces
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