Patents for F27D 17 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases (7,646)
07/1994
07/13/1994CN2171835Y Spraying metal enamel dust remover
07/05/1994US5326081 Method and apparatus for cooling hot gases
06/1994
06/28/1994US5324421 Installing open top insulating box around U-bend portion; solid particles from circulating fluidized bed accumulate and provide non-moving layer of thermal insulation
06/28/1994US5324343 Galvanized steel sheet; remelting to eliminate Zn coating; heating action of a fuel and oxidizing agent
06/23/1994DE4242820A1 Soldering process with exhaust gas cleaning
06/21/1994CA1330259C Method for cooling gases and/or vapours from non-ferrous metal treatment plants, and the relative apparatus
05/1994
05/26/1994WO1994011691A1 Method and apparatus for cooling hot gases
05/18/1994CN1024524C Method for operation of claus-apparatus
05/17/1994US5312245 Particulate trap for vertical furnace
05/11/1994EP0596728A1 Apparatus for preventing dust accumulation in an exhaust duct of an electric furnace
05/10/1994US5309851 Regenerative thermal oxidizer with gate manifold pressurization
05/05/1994DE4236677A1 Control of combustion air flow in cross-flame furnaces e.g. for melting glass - air flow is slowed or accelerated in burner port or chamber inlet by stream of gas of cross-section equal to or less than that of air flow duct
05/04/1994CN2164003Y Venturi water bath-wing tube water film dust remover
05/03/1994CA1329149C Process of purifying the exhaust gases from a sintering plant
04/1994
04/28/1994DE4302357C1 Removing off-gas during steel prodn. - using a valve to regulate the discharge of off-gas to the dust-removing plant as air is blown into the cupola
04/14/1994DE4312144C1 Thermic decomposition of toxic gas material in sapphire high temp. furnace - involves sapphire used as walling material for reaction chamber with furnace operating at 1200 to 2000 deg. C
04/12/1994US5302352 Protected coils for a steam generator
03/1994
03/31/1994WO1994007100A1 Low profile kiln apparatus
03/30/1994CN1084632A Process of defreezing material by using heat in waste gas
03/29/1994US5298227 Mixing melting furnace effluent with cooling air to condense metal compounds, filtration, incineration
03/17/1994WO1994002792A3 Method for improved manufacture of cement in long kilns
03/16/1994EP0586864A2 Process and device for heating bulk goods to high temperature
03/15/1994US5293841 Arrangement for utilizing the heat contained in the exhaust gas of a coal-fired boiler
03/15/1994US5293827 Regenerative thermal oxidizer with gate manifolds including purges
03/01/1994US5291513 Method and device for exhausting gases or fumes from a metallurgical container and an electric furnace provided with said exhaust device
02/1994
02/09/1994CN1081761A Industrial furnace and method of operating the same
02/03/1994WO1994002792A2 Method for improved manufacture of cement in long kilns
02/03/1994CA2139874A1 Method for improved manufacture of cement in long kilns
01/1994
01/19/1994CN2153743Y Hot water supply device by use of waste heat of boiler
01/12/1994EP0578596A1 Furnace, in particular electric furnace for the treatment of molten metal
01/11/1994US5278111 Electric arc furnace dust as raw material for brick
01/07/1994CA2099807A1 Furnace, especially electric furnace, for processing liquid metal
01/05/1994EP0576977A2 Process for cooling and cleaning of hot dust, dioxine and other toxines containing flue gases
12/1993
12/29/1993CN2151149Y Waste heat utilizer for lime kiln
12/28/1993US5273721 Removing sulfur particle from flue gas
12/23/1993WO1993025486A1 Industrial furnace and method of operating the same
12/23/1993WO1993025361A1 Plant for producing bricks made of ceramic material
12/21/1993CA1325387C Process and installation for the treatment of a stream of gas containing pyrophoric dust
12/16/1993DE4219176A1 Utilising low temp. arising energy in industrial furnaces - increase enthalpy stream and energetic level of secondary arising energy on flue gas side outlet
12/16/1993DE4219164A1 Fluid flow inputs to a central cleaning or heat recovery unit in industrial applications - controlled by input throttle governed by monitoring total load to minimise the cost and complexity
12/15/1993EP0573769A1 Desulphurisation process for gases formed during the granulation of blast furnace slag
12/08/1993EP0572609A1 Process and device for melting scrap.
12/03/1993CA2096693A1 Process for treating a mixture of water vapors and polluted air with sulphidic gases, formed by the dehydration of the blast furnace slag
11/1993
11/30/1993US5267259 Induction crucible furnace with sonically uncoupled accessible furnace platform
11/23/1993US5265117 Method of exhausting gases and fumes from an electric arc furnace utilizing additional inlet gas duct ensuring constant pressure
11/10/1993CN2145791Y Reuse apparatus for waste heat from lime kiln
10/1993
10/27/1993CN1077657A Method and apparatus for multipurpose use of recovered gas
10/20/1993EP0566451A1 Process and installation for reclaiming metals from metallic scrap material
10/20/1993EP0566376A1 A method and equipment for sintering fly ashes of incinerated municipal waste
10/14/1993WO1993020252A1 Method and device for processing free-flowing materials
10/14/1993CA2133328A1 Method and device for processing free-flowing materials
10/13/1993EP0564731A1 High temperature cogeneration and heat recovery process
10/12/1993US5252062 Thermal processing furnace
10/07/1993DE4211164A1 Verfahren und Vorrichtung zum Behandeln von riesel- oder fließfähigem Material Method and apparatus for treating pourable or flowable material
10/06/1993EP0564056A1 Process and installation for the exhaust gas handling of an arc furnace
09/1993
09/30/1993WO1993018868A1 Process and device for the treatment of polluting and meltable materials
09/28/1993US5248473 Apparatus for treatment and purification of waste gases from a secondary aluminum melting plant
09/23/1993DE4220489C1 Operating air heater plant - using boiler heated closed circuit to preheat air and fuel feeds to reducing high value combustion fuels
09/22/1993EP0561723A1 Process and installation for post combustion air flow rate regulation of a metallurgical reactor fume collecting device
09/22/1993CN1076491A Method and device for regulating the combustion air flow rate of a flue gas collection device of a metallurgical reactor, corresponding collection device and metallurgical reactor
09/21/1993US5246485 Method and apparatus for preventing fume production when transporting molten metal from a metallurgical vessel to casting vessels
09/16/1993DE4208151A1 Verfahren zur reinigung von abgasen, insbesondere aus vakuumpyrolyseanlagen Method for cleaning of waste gases, in particular from vakuumpyrolyseanlagen
09/14/1993WO1993017779A1 Process for purifying exhaust gases, especially from vacuum pyrolysis installations
09/09/1993DE4206649A1 Device for utilising waste heat from exhaust gas - consists of heat exchanger in by=pass connected to exhaust pipe and producing forced draught exhaust
09/08/1993EP0558899A1 System for using the heat of the exhaust gases from a coal-fired boiler
08/1993
08/24/1993US5238487 Process for the production of pig iron and sponge iron
08/05/1993WO1993014862A1 Treatment of gases discharged from metallurgical furnaces
08/04/1993EP0553632A2 Controlled operation of an industrial furnace
07/1993
07/29/1993DE4201684A1 Removing sulphur di:oxide from flue gas from cupola furnace - by washing with caustic soda soln., oxidising resulting sodium bi:sulphite to sodium sulphate, and evaporating water by mixing with hot slag from furnace
07/08/1993WO1993013228A1 Process and device for melting scrap
07/06/1993US5224984 Process for treatment and purification of waste gases from a secondary aluminum melting plant
06/1993
06/30/1993EP0549551A1 Fumes-exhausting hood
06/22/1993US5221512 Apparatus for preheating and removing organic materials from scrap iron
06/22/1993CA1319303C Hearth comprising a device for heat recuperation
06/08/1993US5216884 Method and apparatus for producing burnt material and for generating electrical energy
05/1993
05/26/1993EP0456641B1 Process for preventing the formation of flue gases in metallurgical processes and during the transport of molten metal from a metallurgical vessel to casting vessels and device for transporting molten metals from a metallurgical furnace to a casting vessel
05/26/1993EP0404815B1 Method and installation for recovering energy in metallurgical processes
05/13/1993DE4136477A1 Combined tunnel drier and furnace for firing ceramic parts - has integral thermal gas purifier inside furnace
04/1993
04/28/1993EP0538278A1 Reclamation of metal from scrap.
04/21/1993EP0537254A1 Method and apparatus for cooling hot gases
04/07/1993EP0535727A1 Method for sintering iron oxide containing material on a sintering machine
04/04/1993CA2079766A1 Process of sintering iron oxide-containing materials on a sintering machine
03/1993
03/18/1993DE4136678A1 Calciner gas heat utilisation in titanium di:oxide mfr. by sulphate process - by indirect heat exchange of unpurified gas with medium used to concentrate acid
02/1993
02/23/1993US5188658 Cracking the agglomerates of carbonaceous binder and zinc oxide dust furnace to form slag phase, liquid metal phase and gas phase by condensation
02/16/1993US5186740 Method for preheating scrap iron by pyrolysis of resinous residues contained therein, with total recovery of their energy content and improvement of the steelmaking cycle
02/16/1993US5186622 Circulating heated air of reduced oxygen to volatilize coating from aluminum scrap
02/03/1993EP0525275A1 Induction crucible furnace with a running platform
02/02/1993US5182869 Apparatus for cooling spent anodes of electrolytic melting baths
01/1993
01/27/1993EP0524886A1 Process for producing cement with improved dust recovery
01/26/1993CA1313185C Method of recovering heat from hot process gases
01/06/1993CN1067730A Method and device for heating heavy oil using flue gas and hot air as heat source
12/1992
12/22/1992US5173919 Manipulation of the exit gas flow in a melting furnace
12/09/1992CN1066803A Dry-type exhaust gas desulfurizing apparatus and method
12/01/1992US5167699 Without polluting the air
11/1992
11/25/1992EP0515255A1 Process and device for the aspiration f fumes or gases from a metallurgical vessel and device therefor
11/23/1992CA2068900A1 Method and apparatus for sucking gases or fumes into a metallic box; electric furnace with such a device
11/19/1992EP0404864B1 Energy conserving process for calcining clay
11/03/1992US5160259 Draft control method and apparatus for material processing plants
10/1992
10/27/1992US5158625 Process and apparatus for heat treating articles while hardening in gaseous medium
10/20/1992US5156659 Cooler and particulate separator for an off-gas stack
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