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WO/2004/046612A1 |
The present invention relates to a fluidized-bed gasification furnace in a gasification and slagging combustion system for gasifying combustibles, delivering produced gas and char into a slagging combustion furnace, and combusting the ga...
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WO/2004/022219A1 |
The invention relates to a method for carrying out reactions in a fluidised particle layer. At least one further medium is drawn in by the jet pump principle (Venturi Effect) using a gaseous propellant, mixed with the propellant and thus...
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WO/2004/014539A1 |
A heated catalyst support device for a reactor including a reactor vessel (2) containing a bed of catalyst particles (1) is disclosed. The device includes a permeable support plate (3) having a channel (5) extending therethrough, where t...
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WO/2004/002639A1 |
Equipment for heat-treating powder waste having an excellent heating efficiency and no problem with the fixing of the powder waste to the peripheral wall surfaces thereof, and a method for heat-treating the powder waste, the equipment co...
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WO/2003/099961A2 |
A method and apparatus for converting natural gas from a remote source into hydrocarbon liquid stable at room temperature, comprising a skid or trailer-mounted portable gas-to-liquids reactor. The reactor includes a preprocessor which de...
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WO/2003/090919A1 |
A grid construction for a fluidized bed reactor, the reactor including a reaction chamber defined by substantially vertical walls, in which a fluidized bed of solid particles is maintained, and a windbox under the reaction chamber, in a ...
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WO/2003/080874A1 |
A method and an apparatus (50) for producing direct reduced iron (37) from dry pellets (25) composed of iron oxide and carbonaceous material. A mixture of pellets (25) and free coke particles (38) with weight relation from 3:1 to 5:1 is ...
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WO/2003/071189A1 |
The cooling of the material is mainly achieved through the convective thermal exchange between the loose hot material and the cooling air flow blown in from the outside, and through the conductive thermal exchange between the same materi...
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WO/2003/064950A1 |
A pneumatically conveyed flow of solids is continuously introduced into a pressurized container (42) in which a fluidized bed is maintained by adding an aerating gas, said bed being heated by heat exchange with a heat transfer medium (58...
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WO/2003/040417A1 |
The invention relates to a method for treating a fine-particled feedstock especially containing metal, wherein the feedstock and a treatment gas, especially a reduction gas, are introduced into a fluidized bed chamber (1), e.g. a fluidiz...
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WO/2003/041132A2 |
A system, method and apparatus for processing a semiconductor device including a processing chamber and a heating assembly positioned within the processing chamber. The heating assembly including at least a plate defining an internal cav...
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WO/2003/038133A2 |
A parts container for minimizing oxidation of heat-treated parts during transfer in an oxygen-containing environment. The container includes: a heat-resistant vessel having an interior space and including oppositely positioned first and ...
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WO/2003/004143A1 |
The invention relates to a continuous method for producing at least approximately spherical, essentially solid particles, during which the particles are granulated in a circulating fluidized bed. This can be achieved, in particular, by: ...
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WO/2002/103063A2 |
The invention relates to a method for treating, preferably for reducing, particulate material in at least one fluidization zone at an increased temperature, particularly for reducing ore dust. According to the method, the particulate mat...
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WO/2002/101309A1 |
The continuous thermal extraction melting unit is composed by a charging hopper (1) that is equipped of system of hydraulic closing (2). The native mineral, through the duct (3), reaches the cochlea of feeding (4) so to be fed in the dis...
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WO/2002/072894A1 |
The present invention relates to an arrangement and method that help to reduce the build-up formed on the grate of a fluidized-bed furnace in the roasting of fine-grained material such as concentrate. The concentrate is fed into the roas...
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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...
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WO/2002/055746A1 |
The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting s...
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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...
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WO/2002/046673A2 |
According to the method, granular ore or ore concentrate is introduced into a kiln (1) for roasting the ore at temperatures of 400 to 1050 °C, whereby the ore in the kiln forms a stationary fluidised bed (3). The ore is projected onto t...
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WO/2002/022249A1 |
A method and apparatus for the debonding and sand core removal of sand cores from cast parts, the heat treating of metal parts and the removal of organic contamination from metal parts, which is utilizing a fluid bed furnace having an im...
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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. ...
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WO/2002/000944A1 |
The invention relates to a method for directly reducing particulate oxide-containing ores, especially iron-oxide containing material, by way of a fluidized bed method, at a pressure of > 5 bar. According to the inventive method, the ore ...
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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 ...
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WO/2001/073141A1 |
The invention concerns a method for thermal treatment of steel wire, which consists in raising the temperature of at least one steel wire to be treated up to a temperature for austenitizing the steel, and maintaining the wire at said tem...
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WO/2001/071266A1 |
A fluidized bed heat treating furnace (1) used for the solution heat treatment of metal products made of aluminum alloy and for heat treatment such as quenching and tempering which is capable of mainly supplying heat energy through a hea...
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WO/2001/045824A1 |
Gas produced in the reaction chamber (1) of a high-temperature swirl furnace is blown through a downcomer (4) into a quenching chamber (2) having a quenching bath, whereby the producer gas is cooled and slag mist entrained in this gas is...
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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...
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WO/2001/035020A1 |
A circulating fluidized bed reactor comprising a furnace (20), defined by a substantially vertical and planar first wall (12), and a particle separator having a return duct (40) adjacent said first wall. In the lower part of the return d...
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WO/2001/032941A1 |
A fluidized bed reduction reactor (100) for supplying a reduced iron to a melter-gasifier (1) of a smelting reduction system includes an exhaust gas supply unit (3) for supplying an exhaust gas to a reduction gas supply tube (4) intercon...
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WO/2001/009398A1 |
The invention relates to an apparatus for the heating of flowing material containing finely divided solids, such as concentrate slurry containing precious metals and/or precious minerals, up to a desired temperature range, for instance t...
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WO2000036354A9 |
A single furnace system (10) integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction (23) heating environment and a convection (24) heating environment) integrated su...
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WO/2000/070103A1 |
The present invention relates to a method and equipment, whereby matte with a high non-ferrous metal content and disposable slag are produced simultaneously in a suspension-smelting furnace from non-ferrous sulphide concentrate. Accordin...
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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...
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WO/2000/037687A1 |
A complex fluidized bed type apparatus for reducing a fine iron ore, and a method therefor, are disclosed in which the reactivity of the fine iron ore particles, the gas utilization degree and the gas consumption rate are most efficientl...
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WO/2000/036155A1 |
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 (11) to feed the mineral iron to said reaction zone (14), means (18...
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WO/2000/036159A1 |
Method and apparatus for the direct reduction of mineral iron inside a vertical reduction furnace (10) of the type with a gravitational flow, wherein the reducing gas flows counter to the material introduced into the furnace, comprising ...
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WO/2000/032532A1 |
Vertical tall retorts are commonly used in a variety of metallurgical and chemical processes. Most of these retorts are counter flowing process, gases flowing upwards through a bed of packed solids moving vertically toward a discharging ...
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WO/2000/028098A1 |
Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting...
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WO/2000/023183A1 |
The invention concerns a method and a device for heat treatment of finely divided solids, which consist in organising a gradual and continuous unidirectional displacement of solid particles along a vibro fluidised bed, and in subjecting ...
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WO/2000/020111A1 |
Fluidized bed reactors having centrally positioned heating means, as well as methods for their use, are provided. The subject reactors (10) comprise a centrally positioned heating means (e.g. a susceptor rod (12)) that, during operation,...
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WO/2000/012206A1 |
The invention relates to a reactor vessel for treating a fluidizable material with a fluidizing medium which via a nozzle base (2) of the reactor vessel can be fed into a processing chamber (11) situated above said nozzle base (2). Openi...
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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...
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WO/2000/002654A1 |
According to the invention, a fluidizing gas is introduced upwards into the fluidized bed (3) through a valve grid (2), said stationary fluidized bed (3) containing solids with different grain sizes. A supply pipe (10) is disposed in the...
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WO/1999/049953A1 |
The invention relates to a method for cleaning metal or ceramic equipment and machine parts soiled with polymer deposits, especially spinning packets, spinning nozzles, candle filters and filter plates. The parts soiled with the polymer ...
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WO/1999/042777A1 |
A fluidized bed furnace in which the height difference between the fluidized beds of the front and rear divided chambers is appropriate and does not cause back mixing. When the vertical position of the communication port (9) for moving t...
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WO/1999/040040A2 |
A kiln plant for manufacturing cement, said plant comprising a kiln (1), a cooler (4), a calciner (2) with subsequent separation cyclone (9), a burning compartment (3) provided at its upper part with a central burner (16), and featuring ...
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WO/1999/036582A1 |
The present invention relates to a method for processing pyrite minerals, using a microwave energized fluidizing reactor, under temperature conditions that provide reaction products that are relatively free of SO¿2? emissions. The tempe...
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WO/1999/032666A1 |
A two step twin-single fluidized bed type reduction apparatus for fine iron ore, and a method therefor, are disclosed. The fluidizing of the fine iron ore is stabilized so as to improve the reduction degree and the gas utilization rate, ...
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WO/1999/032217A1 |
A method of and apparatus for controlling heat transfer in a fluidized bed reactor having a heat transfer chamber (312) with a bed (314) of solid particles therein, means (320, 322) for introducing fluidizing gas into the heat transfer c...
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