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Matches 551 - 600 out of 9,317

Document Document Title
WO/1996/041110A1
A heat exchanger for a regenerative thermal oxidizer (1) is described which includes at least one heat exchange column (5) provided with a bed of packing material (7) of specially shaped and sized particles, each particle being formed of...  
WO/1996/040373A1
A method and apparatus are disclosed for injecting vaporizable material, such as a vaporizable waste, into a molten bath. A gas is injected into the molten bath at a rate which is sufficient to cause the gas and the molten bath to form a...  
WO/1996/032616A1
The equipment reliability of a raw material retaining gate of a preheater is improved, the equipment cost is reduced, the effect of preheating the raw material by use of the waste gas is enhanced, and the melting electric power energy is...  
WO/1996/030709A1
An apparatus for highly efficiently preheating and melting scrap, which comprises a scrap melting furnace having arc heating means or a top-blowing lance, and a device for introducing an exhaust gas generated from the scrap melting furna...  
WO/1996/022394A1
A method for the co-production of fuel and iron from coal (11) and from iron ore (47) respectfully, which is comprised of heating the coal in the absence of oxygen to make a raw coal gas and a residual coke, and of increasing the content...  
WO/1996/021825A1
Waste material is burned in a furnace chamber (1). The oxygen-containing flue gases thus produced are drawn into a fluidized bed in a re-heating chamber (5) and undergo re-heating. Solids discharged with the flue gases from the re-heatin...  
WO/1996/021824A1
The waste material is degassed under the action of heat in a pyrolysis chamber (2). Volatile degassing products undergo post-combustion in a post-combustion chamber (4a, 4b or 4c) in the form of a fluidized bed reactor as oxygen is fed i...  
WO/1996/017089A1
In a process for producing sponge iron from particulate iron oxide-containing material, iron oxide-containing material is reduced to sponge iron with a reducing gas in a reduction zone (4) and gas produced during reduction is withdrawn a...  
WO1995034793A3  
WO/1996/000304A1
A direct reduction process is disclosed for iron oxide-containing materials. Synthesis gas is mixed with top gas produced during direct reduction of the iron oxide-containing materials and is used as reduction gas for directly reducing i...  
WO/1995/034793A2
A continuous furnace for baking ceramic moulded parts has a heating area (14), a baking area (16) and a cooling area (18). At least one smoke gas duct (22) extends from the heating area (14) into a combustion chamber (24) and at least on...  
WO/1995/033964A1
Dual electric/gas heating in a crucible melting furnace with segmental lining, and linings and segments of linings for same.  
WO/1995/023916A1
A two chamber regenerative thermal oxidizer (20) comprises an oxidizing chamber (22) and a pair of regenerator chambers (24 and 26). Inlet and outlet valves (44/46 and 48/50) control fluid flow to and from the regenerator chambers. A tra...  
WO/1995/023659A1
A furnace cleaning apparatus (50) for cleaning a cyclone furnace (20) with a fluid from a fluid source (268). The furnace cleaning apparatus (50) comprises a beam assembly (52) capable of being pivotally mounted to the cyclone furnace (2...  
WO/1995/017528A1
In steel-making there are conflicting processing requirements at different stages of the process. The method and apparatus of the invention creates different processing conditions at different stages of the process. Molten ferrous materi...  
WO/1994/024485A1
In order to thermally decompose gaseous initial substances, in particular toxic substances, shapphire is used as wall lining material for the reaction chamber. In a decomposition process, the initial substances (2) flow through a heated ...  
WO/1994/020791A1
A guiding flue (10) of refractory material is arranged at the exit of the slag exhaust hole (7) of a plasma fusion furnace (1) to guiding exhaust gas (5) in the downstream direction of the flowing slag. The slag which flows down by the s...  
WO/1994/019497A1
Method and apparatus for producing iron by melt reduction of concentrate or prereduced concentrate in a melt bath in a reactor, e.g. a converter (10). Concentrate and carbonaceous reducing agent are supplied to the melt bath consisting o...  
WO/1994/011691A1
The invention relates to a method and apparatus for cooling the exhaust gases of a molten stage furnace. The method relates to furnace structures in which the shaft (3) is vertical and the exhaust gases are passed through an outlet in th...  
WO/1994/007100A1
The present invention relates to an apparatus (1) efficiently producing brick (53). More specifically, the invention relates to an automated, ultra low profile, continuously moving dryer, kiln and brick handling system which provides eff...  
WO1994002792A3  
WO/1994/002792A2
The present invention is directed to a method and apparatus for controlling the kiln gas stream (90, 138) in a conventional long wet or dry process cement kiln (10). A portion of the kiln gas stream (90) can be withdrawn from the rotary ...  
WO/1993/025486A1
A method of operating an industrial furnace (1) comprising the steps of; (a) drawing a first gas flow (A) of ambient air into the furnace (1); (b) removing constituents of the first gas flow (A) to increase the relative oxygen content of...  
WO/1993/025361A1
A plant for producing bricks made of ceramic material has a device (12) for preparing the ceramic material with water and steam, a device (14) for pressing the bricks, a device (18) for drying the bricks and a device (34) for baking the ...  
WO/1993/020252A1
The invention concerns a method for the processing free-flowing materials, in particular filter dusts from the iron and steel industry and waste-incineration plants, as well as a device for carrying out the method. In order to ensure tha...  
WO/1993/018868A1
Process and device for the treatment of polluting molten meltable and electrically conducting materials consisting in feeding the waste materials into an induction furnace (11, 40) comprising an inductive circuit (1, 39), directly induct...  
WO/1993/017779A1
A process for purifying exhaust gases, especially from vacuum pyrolysis installations by means of the extraction of the exhaust gases and their combustion with a supply of air. Immediately after their formation, the exhaust gases are sub...  
WO/1993/014862A1
Fume-laden gases discharged from a metallurgical furnace are treated by being passed through a bed of coke and lime present in a reaction vessel. The bed is preferably heated and may be removed from the vessel for recycling to the furnace.  
WO/1993/013228A1
A process is disclosed for melting scrap, in particular from cars. The charge is introduced in pieces or batches by means of a charging tube (3) that extends through a closed lid (2). Electrodes (15) for heating the molten bath are excen...  
WO/1992/013108A1
The sample taking reed (7) mounted in a pipe for evacuating smoke coming particularly from a fusion or heat treatment furnace, is comprised of an extraction tube (8) extended in a closed sleeve (9) having an inlet (11) and an outlet (12)...  
WO/1992/001202A1
A method and apparatus for cooling the exhaust gases from a molten phase furnace, such as a smelting furnace (10). The exhaust gases are conveyed from the furnace to a vertically extending cooling shaft (24) disposed above the furnace, w...  
WO/1992/001074A1
The noxious fumes leaving the dry hearth chamber (112) of a metal recovery furnace (102) are fed to an incinerator (106) where they are burnt at high temperature with oxygen. The hot, clean exhaust gas is introduced to the bath chamber (...  
WO/1990/008842A1
A transport and drainage channel (14) is installed in at least one metal notch (11) of a metallurgical furnace (10). A transfer station (17, 18, 19) comprises a swivelling or tilting channel (28, 29, 30). The molten metal flows from the ...  
WO/1990/005586A1
A dry pulverized clay powder (1) is fed to a calciner (20) to be calcined therein. The clay powder feed (1) is passed through the calciner (20) in direct heat exchange contact with a hot gas (5) passing therethrough to heat the clay powd...  
WO/1989/008810A1
A method and an installation for recovering energy in the thermal destruction of pollutants in a gas emitted from a scrap preheating device (6, 8), e.g. in an electro-steel furnace (1). The polluted gas is conducted through regenerative ...  
WO/1989/002568A1
A method for drying solids, such as bark, peat, wet coal or the like by means of waste heat recovered from a rotary kiln (1). Solids are dried by simultaneously utilizing both the radiation heat of the shell surface (18) of the rotary ki...  
WO/1987/006331A1
Method and device for pre-heating waste metal for furnaces, flue gases generated in a furnace (1) being supplied simultaneously or sequentially to two pre-heating places (3, 4) with waste metal containers (14), said flue gases being made...  
WO/1987/004729A1
High-temperature dirty gas from an electric furnace (1) is directly introduced into scrap preheaters (5a, 5b, 5c), where scrap (6) to be charged into an electric steel-making furnace is preheated. If some portion of heat generated in the...  
WO/1987/003080A1
A regenerator (1) comprising a regenerative burner (2) having its own, independent combustion air supply (5) which directs air as a jet into a venturi of an eductor which is between the regenerative matrix (4) and the burner flue. A shut...  
WO/1986/003986A1
A method and an apparatus for separating solid particles from flue gases in a circulating fluidized bed reactor, in which method the flue gases are led to a cyclon separator (2), wherefrom separated solid particles are discharged and ret...  
WO/1986/001279A1
A method and apparatus for waste heat recovery and reduction in industrial furnaces and heating equipment. The method of heat recovery comprises directing the exhaust gases through a system of channels (8) inside the refractory wall wher...  
WO/1986/001230A1
Method and apparatus for the continuous making of steel in an electric steelmaking furnace (10), having a charge material preheater (18), continuous charging means (44) and means for removing refined steel (80) without removing the furna...  
WO/1986/000394A1
It is provided as shown in the drawing with a waste gas leading pipe, a linear pipe, an inserting pipe, a connecting pipe, a fixing pipe, a charging pipe, a gas discharge pipe and a branch pipe, and is adapted to preheat a main raw mater...  
WO1984002571A3  
WO1984002571A2
A solid fuel fired heating apparatus comprises a furnace (1) and a heat exchanger (4) to which exhaust gases from the furnace are passed. In order to increase the efficiency of the apparatus a particle separator (5) is interposed between...  
WO/1984/002571A1
A solid fuel fired heating apparatus comprises a furnace (1) and a heat exchanger (4) to which exhaust gases from the furnace are passed. In order to increase the efficiency of the apparatus a particle separator (5) is interposed between...  
WO/1984/000206A1
The disclosed method is intended to operate an industrial furnace (1) which is heated by recuperator burners (2) of which the exhaust gases are evacuated through steam injectors (6). The mixture of gas and steam issued from the injectors...  
WO/1983/003007A1
A device (10) for determining hydrogen flux through a metal membrane comprises two parts, top part (12) and a bottom part (11) respectively. The top part (12) is electrically insulated relative to the bottom part (11). The top part (2) w...  
WO/1983/002661A1
Furnace for preheating elongate materials, particularly rods, bars or the like of a light alloy, having a tunnel-shaped hearth (15) comprised of concave bed plates (14) wherein the material (1) to be preheated is introduced. At least on ...  
WO/1982/001936A1
A shaft furnace for thermal treatment of finely dispersed materials comprises a casing (1) of rectangular cross-section. A cover (2) of the casing (1) is provided with a bunker (10) for charging the material. The upper part of the casing...  

Matches 551 - 600 out of 9,317