Patents for F27D 17 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases (7,646)
08/2002
08/22/2002WO2002064526A1 Method of producing cement clinker and electricity
08/21/2002CN2506960Y Environment protection quick heat energy recovery device for high-temp. furnace material
08/21/2002CN1089429C Electric arc furnace post combustion method
08/20/2002US6438154 Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace
08/20/2002US6436337 Substantially less hydrocarbon based fuel is required than conventional combustion systems without a loss of energy output; furnace
08/15/2002US20020110769 Heat treatment method and heat treatment apparatus
08/14/2002EP1231444A2 Thermal treatment kiln, particularly for ceramic articles
08/14/2002EP1230523A1 Device for burning gases, especially gases of shaft kilns for casting minerals
08/07/2002EP1228251A1 Method and device for melting down finely particulate material containing metal, such as sponge iron
07/2002
07/31/2002CN1361293A Plant for using converter produced vapor in vacuum refining furnace
07/30/2002CA2236523C Method of returning a finely-divided solid extracted from a reactor vessel using a gas
07/25/2002WO2002057501A1 Heating furnace with regenerative burners and method of operating the heating furnace
07/25/2002CA2639404A1 Heating furnace with regenerative burners and method of operating the heating furnace
07/24/2002CN1360192A Oxygen-enriching heat-accumulating air preheating and flue gas recirculating technique
07/17/2002EP1124995B1 Direct-current arc furnace with central charging shaft for steel production and method of producing steel
07/16/2002US6419724 Method for reducing iron oxides and for melting iron and installations therefor
07/11/2002WO2002053787A1 Multi-layer heat treating furnace, heat treating device, and heat treating method
07/11/2002US20020088610 Thermal insulator having a honeycomb structure and heat recycle system using the thermal insulator
07/09/2002US6418157 Roof for a metallurgical ladle/furnace
07/04/2002US20020083794 Fine-particulate metal such as sponge iron; metal melt and slag layer floating on top of the metal melt; metal added with a supply means dipping into the slag layer and energy is added in the form of electric arcs.
06/2002
06/27/2002WO2002050485A1 Device for injecting fine-grained solid particles into a gaseous stream
06/27/2002WO2001098547A3 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material
06/27/2002US20020078795 Heating coal with an exhaust gas from an iron ore furnace to lower the moisture, gasifying in a furnace to produce a coal derived gas containing a reducing gas, which can reduce iron ore
06/27/2002DE10060951A1 Verfahren zum Einschmelzen von Metallschrott A process for melting scrap metal
06/26/2002CN1355853A Method for producing melt iron
06/25/2002US6409503 Heat treatment method and heat treatment apparatus
06/20/2002DE10060728A1 Device for melting glass has a melting unit provided with a gas nozzle and/or a gas lance for introducing a reactive gas such as oxygen
06/13/2002WO2002046110A2 Device and method for melting glass
06/13/2002US20020072020 Regnerative burner
06/12/2002EP1213364A2 Method of smelting metal scrap such as aluminium using an oxygen-fuel burner
06/12/2002CN1353806A Method and device for operating electric arc furnaces and/or resistance furnaces
06/12/2002CN1353093A Heat regenerator of glass smelting furnace
06/05/2002CN1352738A Method for cooljing the gas flow in a smelting furnace
05/2002
05/30/2002WO2001071049A3 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
05/29/2002EP1209433A2 Intermittent combustion kiln, particularly for ceramic articles
05/29/2002EP1209432A2 Continuous kiln particularly for ceramic articles
05/28/2002US6395221 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
05/28/2002US6394794 Modular furnace system
05/23/2002US20020060383 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
05/22/2002EP1207364A2 Device to take in fumes and cool the roof of electric furnaces
05/22/2002CN2492819Y Multiple-loop heat recovering smoke dust eliminator for plate glass kiln
05/22/2002CN2492818Y High temperature air preheater
05/21/2002US6391088 Heat treatment residues, oils and iron oxide in furnace
05/21/2002US6390810 Method and apparatus for reducing a feed material in a rotary hearth furnace
05/16/2002WO2002038815A1 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities
05/16/2002DE10004138C2 Verfahren und Vorrichtung zur Entsorgung und Verwertung von Abfallgütern Method and apparatus for disposal and recycling of waste materials
05/16/2002CA2428780A1 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities
05/15/2002EP1205446A1 Glass furnace regenerator
05/10/2002CA2361901A1 Metallurgical furnace with scrap metal preheater and dispenser
05/09/2002US20020053417 Glassmaking furnace regenerator
05/08/2002EP1062469B1 Cooled roof for electric arc furnaces or ladle furnaces
05/02/2002EP1200788A1 Method for cooling the gas flow in a smelting furnace
05/01/2002CN2489292Y Heat energy recovery device for gas heating stove
05/01/2002CN1083889C Method for producing melted pig iron
04/2002
04/24/2002CN1346044A Melting bath with closed material distributing-feeding channel
04/23/2002US6375908 Waste gases are conveyed from the furnace through a multistage filter, liquid, paste-like and/or solid feed mixture is mixed with additives; feed mixture is blown together with oxidizing or reducing agent; subjected to chemical/thermal treatment
04/10/2002CN1082652C Melting furnace having preheating vessel
04/09/2002US6368548 Direct smelting process and apparatus
04/09/2002US6368103 Method and apparatus for reducing emissions in kiln exhaust
04/04/2002WO2002027252A1 Pollution abatement reactor system having nonprismatic structured media
04/04/2002WO2002026655A1 Alumina honeycomb structure, method for manufacture of the same, and heat-storing honeycomb structure using the same
04/04/2002CA2423911A1 Pollution abatement reactor system having nonprismatic structured media
03/2002
03/21/2002DE10038597C1 Schmelzwanne mit einem verschließbaren Gemenge-Einlegekanal Melting tank with a lockable mixture inlay channel
03/20/2002EP1187942A1 Method for producing melt iron
03/20/2002CN1340456A Process and equipment for decomposing gypsum
03/14/2002US20020030308 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
03/13/2002CN1080866C Combined installation of a metal production unit and a unit for separation air gas
03/07/2002WO2002018270A1 A method of decomposing gypsum to sulfur dioxide and the apparatus thereof
03/07/2002US20020027939 Device to take in fumes and cool the roof of electric furnaces
03/07/2002US20020026997 Heat recovery type heat storage apparatus
03/06/2002CN1080313C Method for blowing into blast furnace
02/2002
02/28/2002US20020025283 Process and apparatus for recovery of raw materials from wastes residues
02/27/2002EP1181489A1 Method and device for operating electric arc furnaces and/or resistance furnaces
02/27/2002CN2479460Y Magnesium-refiring dust-removing device
02/27/2002CN1338036A A method and apparatus for reducing a feed material in a rotary hearth furnace
02/27/2002CN1337558A 清洗室 Clean room
02/20/2002CN2478051Y Dust removing kiln cap for reburning Mg
02/20/2002CN1079280C Method for returning finely-divided solid carried by gas extracted from reactor vessel
02/14/2002WO2002012813A1 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method
02/14/2002DE10036774A1 Furnace used for thermally cleaning waste gases produced during the treatment of workpieces has an eddying effect in the region of the combustion chamber so that waste gases produced
02/13/2002CN1335479A Method and apparatus for preventing ash when molten metal is treated
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
02/06/2002EP1178275A2 Purge chamber
02/06/2002EP1177322A2 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor
01/2002
01/31/2002US20020011133 Furnace flue dust processing method
01/29/2002US6342179 Furnace for the direct reduction of iron oxides
01/24/2002WO2002007181A1 Oven and process for manufacturing an envelope for use in a display tube
01/17/2002US20020006594 Oven and process for manufacturing an envelope for use in a display tube
01/16/2002EP1172621A1 High-productivity steel heating furnace, particularly for rolling plants
01/16/2002EP1034312B1 Installation for reducing iron oxides and smelting iron
01/10/2002WO2002003005A1 Method of operating rotating regenerative heat exchanger
01/10/2002WO2002003004A1 Method of operating rotating regenerative heat exchanger
01/10/2002WO2002003003A1 Heat exchange method
01/10/2002US20020003324 Apparatus for producing reduced iron
01/10/2002DE10027141A1 Waste processing and treatment system without dioxide emissions has optimal air flow temperature setting unit, heater for taking in air flow and heating and treating waste in its interior
01/09/2002CN2470368Y Independent boiler of rotary after-heat boiler
01/02/2002EP0823487B1 Melt reduction equipment and operating method
01/01/2002US6334265 Process for the operation of a regenerator and regenerator
12/2001
12/27/2001WO2001098547A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material
12/27/2001US20010055740 Modular furnace system
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