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Matches 451 - 500 out of 9,349

Document Document Title
WO/2003/068700A1
A synthetic slag is produced by a high temperature combustion reaction between coal ash having a high carbon content, and a source of lime such as cement kiln dust. The carbon content of the coal ash is oxidized by oxygen gas, which typi...  
WO/2003/068995A1
The invention relates to a method and device for the continuous production of steel using metal charge material (8) that is preheated in an upper part of a melting vessel (2), is then melted in a lower part (9) of the melting vessel l(2)...  
WO/2003/050464A1
The invention relates to a method for increasing the capacity of a waste−heat boiler (1) processing gases obtained from a metallurgic smelting furnace, such as a flash smelting furnace, and for reducing dust accretions, where liquid is...  
WO/2003/038361A1
A process for vitrifying contaminated waste material (30) includes providing a container (10) including an insulating lining (16), placing the waste material (30) in the lined container (10), subjecting the material (30) to an electric c...  
WO2002086027A3
The present invention relates to a gasification and slagging combustion system in which wastes are gasified to produce combustible gas, and the produced combustible gas is combusted together with unburned carbon to generate molten slag. ...  
WO/2003/035307A1
The invention relates to a method for controlling the binder-release process for MIM- (Metal Injection Moulding), or CIM- (Ceramic Injection Moulding) pieces, in which a polymeric plastic, for example, is used as binder, which, by intera...  
WO2002046110A8
When waste glass that is highly contaminated with organic impurities is melted, these impurities cause the appearance of so-called "black grains " which cannot be eliminated in a subsequent refining process and which therefore impair the...  
WO/2003/031662A1
Process and apparatus for the treatment of contaminated fumes from a furnace for melting contaminated scrap metal, in particular remelting and recycling of waste aluminium metal, the furnace including at least one melting chamber (1) wit...  
WO/2003/027335A1
A method for refining a molten iron containing chromium wherein a gas containing oxygen is blown into the molten iron containing chromium under a reduced pressure or a reduced pressure and an atmospheric pressure, to carry out decarboniz...  
WO/2003/021174A1
The invention relates to a method of improving the temperature profile of a reheating furnace (1) in which oxygen-fuel burners are placed in the dead zone (3) of the furnace, in such a way as not to increase the volume of fumes by more t...  
WO/2003/019096A1
The invention relates to a metallurgical oven, comprising a vessel (10), a cover (20) for the vessel, a charging device (30) for charging items which are to be melted to said vessel. Said charging device comprises a rotatable retaining m...  
WO/2003/016807A1
The invention relates to a device for introducing hot gas into a heating surface pipe of a waste heat boiler, comprising an outer pipe that is connected to the boiler wall, particularly to the bottom of the pipe. Said device also compris...  
WO2002086402A3
In a near ambient pressure operated auto-thermal reformer fuel gas system, a precooler between the auto-thermal reformer and shift converter. The precooler includes a spraying water inlet, an inlet for the reformed gas and a packing of h...  
WO/2003/013694A1
Process to recover energy from a gas having a temperature of above 650 °C and an absolute pressure of more than 1.7 bar and comprising non-solidified alkali containing compounds and particles by performing the following steps: (a)coolin...  
WO2002076664A3
An apparatus and method for capturing the emissions from a controlled atmosphere treatment apparatus 10) of the type having at least one, and usually several, controlled atmosphere zones (14, 16, 18, 20) therein and exhaust stacks (22, 2...  
WO/2002/103067A2
In order to melt down aluminium in an oven, a method is known whereby a starting material containing aluminium is supplied to an oven, is pre-heated in an upper region of the oven by means of oven flue gas, and is then heated by means of...  
WO/2002/103240A1
A melting device (41) capable of melting waste by cutting out air, comprising a melting burner (18) for burning brown gas in a melting chamber (11) and cutout devices (13a, 26, 34) for cutting out the entry of air into the melting chambe...  
WO/2002/101293A1
An exhaust gas treating method capable of treating exhaust gas containing PFC requiring high temperature in decomposing without by−producing CO, performing a complicated combustion control and being affected by variations in exhaust ga...  
WO2002046110A3
When waste glass that is highly contaminated with organic impurities is melted, these impurities cause the appearance of so-called "black grains " which cannot be eliminated in a subsequent refining process and which therefore impair the...  
WO/2002/097328A1
Provided is a regenerative thermal waste incineration system for incinerating waste using a regenerative thermal material. The regenerative thermal waste incineration system includes first and second ceramic layers for accumulating heat ...  
WO/2002/090830A1
Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer (10), and oxidizer (10) including the switching valve (20). The valve (20) of the present invention exhibits excellent sealing characteristics...  
WO/2002/088400A1
An oxygen fueled combustion system includes a furnace (14) having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and ...  
WO/2002/086402A2
In a near ambient pressure operated auto-thermal reformer fuel gas system, a precooler between the auto-thermal reformer and shift converter. The precooler includes a spraying water inlet, an inlet for the reformed gas and a packing of h...  
WO/2002/086027A2
The present invention relates to a gasification and slagging combustion system in which wastes are gasified to produce combustible gas, and the produced combustible gas is combusted together with unburned carbon to generate molten slag. ...  
WO/2002/076664A2
An apparatus and method for capturing the emissions from a controlled atmosphere treatment apparatus 10) of the type having at least one, and usually several, controlled atmosphere zones (14, 16, 18, 20) therein and exhaust stacks (22, 2...  
WO/2002/064526A1
A method of producing cement clinker and electricity comprises feeding cement raw meal constituents in crushed form and coal in a circulating fluidized bed boiler furnace (1), calcining the cement constituents therein and producing steam...  
WO/2002/057501A1
A heating furnace with regenerative burners and a method of controlling a furnace pressure; the heating furnace, comprising a plurality sets of regenerative burners having preheat zones, heating zones, uniform zones, and, as heat sources...  
WO/2002/053787A1
A heat treating device, wherein, by using a multi-layer heat treating furnace (1), one layer is formed in a fluidized bed (2) formed of granular material and excellent in heat efficiency and uniformity of thermal distribution and the oth...  
WO2001098547A3
A method of processing flue dust that contains one or more compounds from a first group of zinc, lead and cadmium compounds, and contains iron compounds, involves heating the flue dust to cause a substantial portion of one or more of the...  
WO/2002/050485A1
The invention relates to a device (14) for injecting fine-grained solid particles into a gaseous stream (12), whereby the fine-grained solid particles are fed to the device (14) in the form of a pneumatic supply stream. The device (14) c...  
WO/2002/046110A2
When waste glass that is highly contaminated with organic impurities is melted, these impurities cause the appearance of so-called 'black grains ' which cannot be eliminated in a subsequent refining process and which therefore impair the...  
WO2001071049A3
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/2002/038815A1
A method of operating a rotary hearth type reducing furnace, characterized in that a combustion gas generated in the furnace is held in a state, wherein the temperature of the gas is 800 ° C or higher, the concentration of carbon monoxi...  
WO/2002/027252A1
An apparatus for treating gaseous pollutants in an air stream such as a regenerative thermal oxidizer or a selective catalytic reduction system, including a reaction chamber (62) wherein the reaction media bed (64) within the chamber com...  
WO/2002/026655A1
A first alumina honeycomb structure, characterized in that it has an impurity content of 2 wt % or less and contains alumina as a primary component; and a second alumina honeycomb structure, characterized in that it contains alumina as a...  
WO/2002/018270A1
The present invention relates to a method of decomposing gypsum to sulfur dioxide, and the apparatus thereof. The apparatus comprises a set of four-stage cyclone preheater and a rotary kiln for decomposing and calcining. In the four-stag...  
WO/2002/012813A1
A fluidized bed furnace wherein a particulate article is filled in a vessel, the particulate article being fluidized by hot air blown into the vessel to form a fluidized bed, allowing a workpiece to be heat-treated in the fluidized bed. ...  
WO/2002/007181A1
The invention relates to an oven for sealing a panel to a funnel, thus forming an envelope suitable for use in a display tube, comprising a tunnel structure (9) and at least one mount for conveying an assembly of a panel and a funnel thr...  
WO/2002/003003A1
A heat exchange method capable of suppressing a loading on a rotating motor and a wear of a seal part and simultaneously performing a recovery of heat from exhaust gas and a reduction in NOx, comprising the steps of detecting the density...  
WO/2002/003005A1
A method of operating a rotating regenerative heat exchanger capable of preventing the excessive contact of a rotatingly sliding part even when a furnace temperature varies largely, comprising the steps of providing a dilution damper (16...  
WO/2002/003004A1
A method of operating a rotating regenerative heat exchanger capable of preventing the excessive contact of a rotatingly sliding part even when a furnace temperature varies largely, comprising the steps of providing an exhaust gas coolin...  
WO/2002/000945A1
The invention relates to a method for the indirect reduction of particulate oxide-containing ores, especially iron oxide containing material, in a fluidized bed method at a pressure < 5 bar. According to the inventive method, the ore is ...  
WO/2001/098547A2
A method of processing flue dust that contains one or more compounds from a first group of zinc, lead and cadmium compounds, and contains iron compounds, involves heating the flue dust to cause a substantial portion of one or more of the...  
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 ...  

Matches 451 - 500 out of 9,349