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Matches 501 - 550 out of 9,377

Document Document Title
WO/2001/092801A1
A device (24) adapted for attachment to a thermal processing furnace (2), the device includes a housing (26) having first (8) and second (10) openings with a chamber (28) located therebetween, the second opening is operatively connected ...  
WO2001046478A3
A smelting reduction apparatus which separates exhaust gas, which is exhausted from a melter-gasifier (40) or a fluidized bed reactor (10, 20, 30), into dusts and reducing gas to supply them to each fluidized bed reactor (10, 20, 30) res...  
WO/2001/088207A1
The invention relates to a method for producing pig iron or liquid steel pre-products in a blast furnace, whereby at least one partial current of a topgas from a reduction shaft furnace (1) is freed from CO¿2? to a large extent, optiona...  
WO/2001/088272A1
An aggregate dryer for asphalt plant capable of reducing the length of a rotating drum and the required installation area for the dryer so as to save energy without lowering the dryness of aggregate, wherein the rotating drum formed by c...  
WO/2001/088453A1
Switching valve and a regenerative thermal oxidizer (10) including the switching valve (20). The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve (20) has a seal plate (100) that def...  
WO/2001/085307A1
The present invention is directed to a process for the purification of flue gas, wherein flue gas is contacted with a carbonaceous material, said carbonaceous material comprising the solid carbonaceous residue of synthetic rutile product...  
WO/2001/081636A1
A device for discharging dust from a dry dust collector of a blast furnace (10) comprises a dust discharge valve (18) located downstream of a dust discharge opening (16) of the dry dust collector (10) and a fully enclosed dust conveying ...  
WO/2001/072634A1
The invention concerns a method for recuperating thermal energy of hot gases of a submerged-arc furnace designed to make metal alloys by atomization of a powder from solid particles suspended in an aqueous phase. The solid particles are,...  
WO/2001/071049A2
A furnace system for recovering a non-ferrous metal from a charge of material. The furnace system (10) having a furnace chamber (12) having walls defining a refractory chamber, which receives the charge of material and the metal containe...  
WO/2001/068927A1
A continuous nickel matte converter and method for the efficient production of low iron nickel-rich mattes from high-iron nickel-rich mattes, with minimal environmental impact. The present invention processes high-iron, nickel-rich prima...  
WO/2001/057161A1
The invention relates to a method for the disposal and the utilization of waste products of any kind. According to the inventive method, industrial, household and/or hazardous wastes that contain unsorted, untreated, harmful substances o...  
WO/2001/057458A1
A modular furnace (10) is fabricated from at least one module (12) having a frame (14), a removable cover (18) mounted to the frame, exterior cover panels (20) on the frame, and an insulated case (32) fastened to the interior of the modu...  
WO/2001/046478A2
A smelting reduction apparatus which separates exhaust gas, which is exhausted from a melter-gasifier (40) or a fluidized bed reactor (10, 20, 30), into dusts and reducing gas to supply them to each fluidized bed reactor (10, 20, 30) res...  
WO/2001/038455A1
A retort (10) including a thermally insulated casing (12) defining a furnace chamber (14) therein; one or more columns (15) provided within said chamber (14), each column (15) comprising a plurality of vertically orientated, vertically s...  
WO/2001/038588A1
The invention concerns a cupola for producing melt iron, comprising a vessel (2) for heating the materials to be smelted by burning combustion products inside the vessel (2), means (21) for loading the vessel with materials to be smelted...  
WO/2001/032293A1
An exhaust gas dust collecting device capable of highly maintaining a high dust collecting efficiency with compact equipment and less pressure loss and having a charging layer charged with solid particles as filtration medium, comprising...  
WO/2001/029495A1
A method of disposing of undesirable chemical compounds in waste dust (90) generated in a first kiln (84) in the manufacture of cement clinker by using the dust and slag (96) as the feedstock material to a second kiln (94), heating the f...  
WO/2001/027546A1
The invention relates to a device for burning gases, especially gases of shaft kilns for casting minerals. The inventive device comprises at least one combustion furnace. Gases of the shaft kiln are supplied to the combustion furnace whi...  
WO2000075588B1
The aim of the invention is to provide a means of also cooling the lower part of electric arc furnaces and/or resistance furnaces. To this end, said lower part - the actual melting vessel (4) - is surrounded with a jacket (9) at a certai...  
WO/2001/018261A1
The invention concerns an installation for controlling the sealed condition of water-gas heat exchangers equipping an industrial furnace (1), said furnace (1) comprising at least as assembly formed by means (9, 10, 11, 9', 10', 11') extr...  
WO/2001/018260A1
Gravitational type furnace for the direct reduction of mineral iron comprising a median reaction zone (14) in which the reactions to reduce the mineral iron occur, means (12, 13) to feed the mineral iron to said reaction zone (14), distr...  
WO2000040839B1
Method of Cogeneration of Heat and Power where turbine CHP set exhaust gases are used desentralised as oxidiser in local distributed heat needs. This invention concerns a new method of applying cogeneration of heat and power in cases whe...  
WO/2000/079012A1
The invention concerns a method for producing melt iron comprising the following steps: a) reducing the iron ore particles to form pre-reduced iron comprising excess free carbon; b) hot process transfer of the pre-reduced iron in a smelt...  
WO/2000/078482A1
Apparatus for processing ferrous material including a vessel (20) for receiving the molten ferrous material (22) and a removable cover for the vessel, the cover comprising an outer cover (40) which has an upper port and an inner ring (42...  
WO/2000/075588A1
The aim of the invention is to provide a means of also cooling the lower part of electric arc furnaces and/or resistance furnaces. To this end, said lower part - the actual melting vessel (4) - is surrounded with a jacket (9) at a certai...  
WO/2000/073724A1
The present invention relates to a method for cooling the gas flow exiting through the uptake of a smelting furnace such as a flash-smelting furnace with a finely dispersed liquid sprays, which prevents the solid matter particles contain...  
WO2000040839A3
Method of Cogeneration of Heat and Power where turbine CHP set exhaust gases are used desentralised as oxidiser in local distributed heat needs. This invention concerns a new method of applying cogeneration of heat and power in cases whe...  
WO/2000/064832A1
Thermal electricity generating plants face a problem of disposal of fly ash generated by burning low grade coals. In the present invention, rapid cooling of clinker gives rise to glass phase clinker giving rise to a high class cement, ut...  
WO/2000/065102A1
The invention relates to a method and a device for melting down material containing metal, preferably finely particulate material containing metal, such as sponge iron, in a metallurgic melting furnace (1). The molten metal (5) and a lay...  
WO/2000/058678A1
Equipment (60) for surface transmission of infrared radiation, comprising a thermally insulated wall (62) forming a tunnel (63), in addition to a plurality of individual surface transmission devices (1) disposed in relation to and inside...  
WO/2000/055559A1
A rotary hearth furnace for reducing a feed material. The rotary hearth furnace (10) includes a rotating hearth (12) disposed in an enclosure and mounted for rotary movement. The enclosure includes an annular inner wall (14), an annular ...  
WO2000023626A8
The invention is directed to water-cooled furnace hoods that exhaust gases away from a work area, and in particular, it is directed to an off-gas hood for use with a basic oxygen furnace (BOF). The furnace hood includes an assemblage of ...  
WO/2000/043720A1
Aspiration system to reduce the losses of fine materials and powders from an electric arc furnace (11) having a lower hearth (12) suitable to contain the bath of metal material being melted (13), a substantially cylindrical chamber (14) ...  
WO/2000/043719A1
System to plug the roof (10) of an electric arc furnace (11) having a main chamber or melting volume (25) arranged below the roof (10) and at least one electrode (15) introduced into the main chamber (25), the system comprising an upper ...  
WO/2000/040839A2
Method of Cogeneration of Heat and Power where turbine CHP set exhaust gases are used desentralised as oxidiser in local distributed heat needs. This invention concerns a new method of applying cogeneration of heat and power in cases whe...  
WO/2000/031482A1
An apparatus (14) for separating molten Aluminium from a mixture of molten aluminium and aluminium dross includes a table (16, 54) for supporting an insulated crucible (59, 75) containing the mixture of aluminium and aluminium dross. Ele...  
WO/2000/023626A1
The invention is directed to water-cooled furnace hoods that exhaust gases away from a work area, and in particular, it is directed to an off-gas hood for use with a basic oxygen furnace (BOF). The furnace hood includes an assemblage of ...  
WO/2000/022176A1
A process and an apparatus for producing metals from a metalliferous feed material are disclosed. The process includes the steps of partially reducing and at least partially melting a metalliferous feed material in a pre-reduction/meltin...  
WO/2000/020650A1
The aim of the invention is to increase the productivity of a direct-current arc furnace for producing steel while decreasing the stresses incurred by the furnace. To this end, at least two electrodes (7a, b) which are inserted from abov...  
WO/2000/014286A1
The invention relates to a method for heat-treating recyclings containing oil and iron oxide in a multiple hearth furnace. Said oven has several superposed tiers. The recyclings containing oil and iron oxide are mixed with a solid reduci...  
WO/2000/012946A1
A moving hearth reducing furnace is operated, while a gap is provided between a discharging apparatus (1) for discharging reduced iron agglomerates from the moving hearth reducing furnace and the surface of the moving hearth (2). The gap...  
WO/2000/012444A1
A device and a method of bypassing a kiln exhaust gas, wherein part of an exhaust gas produced by the operation of a kiln (11) is bled through a probe (13), subjected to a primary cooling down to 400 to 600 °C after mixed with a cooling...  
WO/2000/003188A1
The present invention is directed to an indirect-fired, stationary tube (10), gas/solids or solids/solids, full ceramic pyroprocessing furnace-reactor (80) that uses heat-resistant conveyors (15) to propel solids through the stationary t...  
WO/1999/058260A1
An apparatus and a method for treating an object material containing a heavy metal and a noxious organic halide, and a method of treating soil. The treating apparatus is provided with an air-tight door (115b) and a retort (115c) as inter...  
WO/1999/042416A1
Sulfur oxides are removed from a preheater waste gas stream by reacting the sulfur oxides with lime recovered from the off gas stream in a calcining furnace. The method is adaptable for use in a cement manufacturing plant wherein the sul...  
WO/1999/042779A1
A seal for a high temperature treatment vessel, particularly those common to the steel industry, has a primary purpose to prevent gases from escaping the treatment vessel. The seal is provided by a positive gas pressure curtain barrier m...  
WO/1999/041560A1
Cooled roof for electric arc furnaces (20) or ladle furnaces (29), the roof being used as a covering element and including a cooling system comprising tubes fed with cooling fluid, the roof including at least a central aperture (25) for ...  
WO/1999/040236A1
A column packing and a column packing for use in the scrubbing of gases by aqueous liquid, the packing comprising material that is electrically conductive (1) and material that is non-conductive (2) with such materials being intimately m...  
WO/1999/028512A1
The invention concerns a method for reducing iron oxides and smelting iron, characterised in that it comprises at least two consecutive steps, namely: a first conventional step of reduction up to a degree of metallisation of the order of...  
WO/1999/023431A1
A fluidized bed gasification combustion furnace in which a gasification furnace and a combustion furnace are integrated with each other, and unburned char generated in the gasification furnace is burnt in the combustion furnace to use th...  

Matches 501 - 550 out of 9,377