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WO/1999/000633A1 |
A method and an apparatus, by which a cooling time for a heating furnace is surely and adequately shortened irrespective of the seasons and without damage to refractory materials in the furnace, and which can also accommodate ceramic fib...
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WO/1998/053262A1 |
A monolithic construction, for example, a refractory furnace lining, is produced by casting monolithic material (19) between precast stopend blocks (6) and permanent or temporary shuttering such as furnace wall (4) and removable shutteri...
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WO/1998/048229A1 |
Apparatus for mounting in or on a furnace comprises fluid circulation means defining a fluid circulation path, having first and second path portions adapted, in use, to lie towards the exterior and interior of the furnace respectively.
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WO/1998/043030A1 |
When operating an electric furnace, each electrode is surrounded by an open-ring duct, placed on the furnace roof and fixed with respect thereto, from which pressurized water is delivered, with different angles with respect to the electr...
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WO/1998/041806A1 |
Method for cooling a furnace, and furnace designed to be able to be cooled particularly quickly and efficiently. According to the invention, it is proposed to periodically reverse the direction of flow of a cooling gas which is moved alo...
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WO/1998/040682A1 |
The invention concerns a carrier for ceramic products which are to be baked, said carrier having at least one vertical support (4) and ceramic carrier rods (7) which are secured thereto and carry the material to be baked (3). The support...
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WO/1998/039612A1 |
A dual section liquid-cooled panel (10) having a primary section (12) and a secondary or back-up section (14) adjacent to the primary section (12) lines a portion of the interior surface of a metallurgical furnace. A three-way valve cont...
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WO/1998/031975A1 |
A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility (31) such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosive...
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WO/1998/026099A1 |
A dam (12) surrounding a slag tap (14) on a refractory covered boiler tube floor (18a) for holding back a protective slag layer. The dam (12) is comprised of a plurality of adjacent refractory blocks (16) mechanically secured to the refr...
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WO/1998/008988A1 |
A furnace housing (10) comprising a treatment rotor (30) placed on and rotationally driven around a central axis (A) with loading stations (36), each receiving a load of work pieces. Secondary chambers (110, 110') are connected to the fu...
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WO/1998/002588A1 |
A lance (5) for injecting a feed material, preferably a solid feed material, into a metallurgical vessel, is disclosed. The lance comprises: an inlet (21) for introducing the feed material into the lance; an outlet (23) at a forward end ...
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WO/1997/049266A1 |
Slag from a pool of molten slag (34) floating on molten metal in a plasma arc treatment chamber (36) is removed by providing a slag container (38) located inside the chamber which has a slag intake pipe (40) extending from a bottom of th...
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WO/1997/029617A1 |
An electrode and a cooling element for a metallurgical vessel are disclosed with at least one cavity (18) and at least one cooling device (10, 12, 13) for spraying a cooling medium in this cavity. The invention is characterised in that a...
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WO/1997/021965A1 |
This invention relates to a panel for furnaces, which are intended to be used when smelting steel by means of so-called high-temperature processes, the panel being intended to be an integral part of wall constructions and/or ceiling cons...
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WO/1997/020183A1 |
The proposed method of cooling a smelting furnace and a smelting furnace suitable for use with this method can be used in metallurgy, for reprocessing domestic waste, and for producing high-energy steam. According to the proposed method,...
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WO/1997/015763A2 |
The invention relates to a device for coupling the coolant duct of a rotating part such as a supporting and transporting roller which is mounted in bearings via pins and through which a coolant flows via an axial bore in the pin. The pin...
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WO/1997/009577A1 |
A ceramic tile (50) is mounted to the wall of an incinerator (16) or other high temperature and/or corrosive environment with a stud assembly that includes a threaded stud (54) and a ceramic T-nut (56). The ceramic T-nut (56) thermally s...
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WO/1996/006954A1 |
A burner/injector (200) and method for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector (200) includes a ...
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WO/1995/033172A1 |
In the proposed roasted charge cooler (5), instability caused by unusually heavy accumulation of material can be prevented by injecting (14) water into the cooler outgoing air (13) which is fed into the furnace (1) as the secondary air s...
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WO/1995/029137A1 |
A process and apparatus carries out the direct removal of slag (7) floating on the molten metal (6) within a metallurgical furnace via vacuum suction-tube (8) which is inserted from above through a furnace discharge opening (5). The tube...
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WO/1995/028226A1 |
An apparatus for cooling and processing a molten product into a granulate product, which apparatus comprises a displaceable support consisting of at least one substantially horizontal, disk-shaped element (11) arranged for rotation about...
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WO/1995/022732A1 |
A wall lining for a furnace (10) includes a refractory layer (14) having a hot face (16) exposed to the interior of the furnace. A plurality of elements of a high thermal conductivity material (18), such as copper wires or rods, extend f...
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WO/1995/012797A1 |
A method of and apparatus for cooling a hot body has a quantity of liquid coolant atomised by a gaseous medium and sprayed onto a surface to be cooled. The supply of liquid coolant to the spray nozzles is controlled by at least one valve...
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WO/1995/010929A1 |
A bottom electrode for a metallurgical vessel driven with direct current consists of two parts made of different materials that may be interconnected. A coolant is applied on the part arranged outside of the bottom of the vessel and turn...
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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...
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WO/1994/011537A1 |
In a hood-type annealing furnace the cooling water sprayed on the hood (2) in spray cooling passes into a collector channel (14) integrated into the bottom component (7) of the hood (2) and is subsequently discharged. Water often remains...
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WO/1994/000723A1 |
Tall work-supporting elements, riders or buttons (16), for reheat furnaces increase the unshadowed area (22a, 23a) of radiation exposure for the under surface (21a) of steel workpieces (19) and thereby significantly reduce the "skid mark...
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WO/1993/017133A1 |
The present method of treating metal articles provides for dividing the working zone of the induction magnetic field into three consecutively located sections intended, respectively, for thermodiffusion, cooling and stabilizing for harde...
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WO/1992/018268A1 |
Trap trench to catch molten metal and to drain cooling wear. The trap trench (1) has a drainage layer (5, 6) consisting of granulated slag in which the grains of the said slag are bonded together by a binder while retaining small channel...
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WO/1992/014980A1 |
The invention relates to an apparatus and method for regulating the flow rate of a liquid furnace product. The apparatus comprises a heat exchange jacket (10) surrounding a conduit (9) through which liquid furnace products flow. The heat...
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WO/1992/014108A1 |
A device for cooling parts of the vessel of a furnace (1) with a coller fitted into a wall or ceiling region or forming a wall or ceiling region opening into the inside (6) of the furnace, comprises a heat exchanger plate (2) sprayed wit...
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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)...
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WO/1992/012101A1 |
A method is shown for producing a lightweight aggregate by treating fly ash and sewage sludge. The fly ash and sewage sludge are mixed together (30) and then agglomerated into pellets (12) with or without the use of a binder. The pellets...
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WO/1992/007965A1 |
A metallurgical lance incorporates an indirect cooling system, separate from and independent of the reactants which are fed through a centre passageway (12) to a melt, bath or the like. An outer passageway (10) extends around the centre ...
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WO/1992/005394A1 |
In a method for cooling a rotary kiln having a cylindrical outer jacket (1), cooling air is blown at high speed radially towards the jacket (1) from an annular supply-air chamber (4) surrounding the jacket and having a perforated inner w...
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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...
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WO/1991/017391A1 |
A cooler for particulate material from a combustion plant, especially for cyclone ash form a PFBC power plant, in which the material is transported pneumatically with flue gases as transport means. At the inlet of the cooler there is a s...
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WO/1991/010872A1 |
A collecting pit (1) for receiving molten metal and cooling water in the event of defects in devices for smelting or heating metal has a drainage made from granular bulk material (5), in particular slag granules, and perforated covering ...
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WO/1990/001136A1 |
The method involves passing the ceramics through water, by means of immersion and/or in jets, and/or sprayed, and/or nebulized, and/or in the form of steam. The plant includes a cooling booth (CR) which may be divided into one or more st...
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WO/1989/008230A1 |
The furnace comprises a lined working chamber (1) with sheathing (2), heaters (4) located under the furnace roof, a metal guide (5) for delivering the metal and a running magnetic field inductor (9) mounted outside the working chamber (1...
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WO/1989/003011A1 |
A vessel for containing molten metal comprises a metal shell. At least a part of the shell is cooled by having water droplets applied to the outer surface of the shell at a rate which does not exceed the rate at which the droplets are va...
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WO/1988/002284A1 |
A method for the treatment of waste materials wherein solid and/or liquid wastes are mixed with a binding material; the mixture is passed through an extruder to form pellets of waste; the pellets pass through a pyrolysis zone in a furnac...
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WO/1986/002436A1 |
To reduce the amount of coolant needed relative to a pressurized furnace cooling system a spray cooling system for the sidewalls and/or roof of a furnace is provided. In the invention, spray headers and pipes (14, 16 and 18) supply coola...
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WO/1985/004124A1 |
A continuous steel casting machine in which the mold tube is oscillated without the attendant oscillation of a pressure-tight water cooling system, and in which the mold tube is cooled by a water spray system. The casting machine include...
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WO/1985/001099A1 |
An involuted track in the form of a "U" shaped channel defined by a spiralled wall (2) normal to a planar surface (12). The planar surface (12) is vibratingly rotated coaxial with the wall while the wall (2) remains stationary with respe...
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WO/1983/002781A1 |
The device comprises a two-layer plate (1) which is provided with a low heat conducting layer (2) and a highly heat conducting layer (3). At least two metal tubes (4) are arranged in said plate (1). Cooling tubes (4) are arranged in the ...
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WO/1983/002578A1 |
The cooling plate comprising three portions (4), (5), (6), on which boundary surfaces the expansion packings (3) are arranged, is manufactured through the separate casting of a liquid metal into a mould. Before the metal has been poured,...
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WO/1983/001790A1 |
The device for cooling a wall of a shaft furnace comprises packets, mounted along the wall and fixed on a shell (9) thereof, which packets have cooling tubes (3) and refractory insertions (6) placed between said tubes (3). Each of the pa...
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WO/1983/001792A1 |
The cooling plate comprises a metal plate (1) with openings (2), filled with refractory material, and a built-in cooling tube (4). The openings (2) have been provided through the plate (1) with a horizontal orientation so that the metal ...
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WO/1983/001789A1 |
The device for cooling a wall of a furnace is comprised of blocks (1) each of them having cooling tubes (2) arranged therein. In each block (1) the cooling tubes (2) of one row are arranged between the cooling tubes (2) of the other row....
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