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WO/2001/025003A1 |
A method of protecting metal bodies, such as components of a thermal cracking furnace, against formation of carbon deposits, and the furnace components so protected, the method comprising producing an adherent, seamless coat (14) on the ...
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WO/2001/023161A1 |
The invention concerns a gas oven for continuous curing of rubber products, comprising means heating a curing zone (29) through which the product to be treated moves. The oven consists of juxtaposed modules (1, 2, 3) incorporated in a pr...
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WO/2001/023622A1 |
The invention concerns a sealing device (10) comprising a sealed valve cage (22) and a sealing seat (24) provided with a passage orifice (26). A mobile valve (28) is provided with a sealing peripheral surface (30) which co-operates, in a...
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WO/2001/020239A1 |
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/2001/020045A1 |
According to the prior art, copper cooling plates (10) are fixed to the furnace armour plate (15) of metallurgical furnaces by elastically, gas tightly connecting the coolant pipes (13, 14) to said furnace armour plate (15) using compens...
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WO/2001/018282A2 |
The invention relates to a method for chemically treating the surfaces of bulk material in several treatment steps. The bulk material is successively treated in batch quantities in several reactors with different treatment liquids. The a...
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WO/2001/017919A1 |
An article of relatively pure silica, and a furnace (50) and method of producing the article. The article is produced by collecting molten silica particles (30) in a refractory furnace (50) in which at least a portion of the refractory (...
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WO/2001/013054A1 |
An apparatus (10) for heat treatment of a wafer (28) is disclosed. The apparatus includes a heating chamber (18) having a heat source (20). A cooling chamber (32) is positioned adjacent to the heating chamber and includes a cooling sourc...
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WO/2001/003873A1 |
A method for plugging a hole, particularly a hole provided in a cooling element, in which method in a hole (9) formed in a piece essentially made of mainly copper, for instance in the housing element (2) of a cooling element (1), there i...
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WO/2001/003862A1 |
The invention concerns a device for fixing a tie-rod, designed to fix a protective element on a machine frame, wherein the tie-rod has, in a penetrating space (9) with a transverse bore, located inside the frame, a fixing surface whereon...
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WO/2001/000892A1 |
The invention concerns a tungsten-based sintered material, with relative mean density higher than 93 % and HV¿0.3? hardness $m(G) 400. It comprises: tungsten having a purity higher than 99.9 %, an additive consisting of nickel and/or co...
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WO/2000/077119A1 |
An apparatus for removing a top head cover from a delayed coking drum includes a column and a hollow tube slidably nested over the column and secured to the cover. The column has a generally cylindrical surface and is fixed positionally ...
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WO/2000/074834A1 |
A centrifugally rolling granulating and coating device (1), comprising a fixed wall (7) of which horizontal section part (7a) in contact with powder and granular material (2) is formed in circular shape and a rotating disk (5) which is i...
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WO/2000/073240A1 |
According to the invention, gassing agitators (impellers) for purifying molten metal masses are made from a silicon nitride material.
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WO/2000/073514A1 |
The invention relates to a method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor, whereby the element is manufactured by attaching ceramic lining sections to each other by copper casting a...
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WO/2000/073222A1 |
The present invention relates to the production of a vitreous-siliceous material from broken glass which is used for the inner or outer finishing of buildings and structures, floors or for realising artistic decorative panels. The purpos...
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WO/2000/073242A1 |
Refractory coating for pipes, cooled by water or other cooling fluids, forming the structure of furnaces for heating bars, pipes or steel sheets. Said coating is made of a metallic structure (steel sheet or wire net) and an additived, pr...
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WO/2000/068441A1 |
The invention relates to an arrangement in a direct current arc furnace, especially for steel making, comprising a fusion electrode and a base electrode, whereby said arrangement is easy to create from a mechanical engineering point of v...
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WO/2000/063630A1 |
An apparatus for treating, in particular purifying or degassing, molten metal (40), comprising a component (10) exposable to molten metal to be treated and means (13) for imparting a rotary motion to the molten metal (40) about a substan...
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WO/2000/061821A1 |
The invention relates to a stave for shaft kilns, especially blast furnaces, with a refractory lining. The stave comprises cooling channels which can be impinged upon with a coolant. At least the front facing the interior of the kiln con...
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WO/2000/054901A1 |
A heat shield arrangement (12) for a roller table (2) comprising respective upper and lower series of heat shield panels (32, 34, 36, 18) above and below a hot material path (42) along the table. The lower series of panels (18) includes ...
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WO/2000/050831A1 |
A stave cooler used for cooling a furnace wall of a metallurgy furnace such as a blast furnace, wherein cooling tubes which cool a base metal is cast into the base metal on the outside of the furnace, one or several heat resisting steel ...
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WO/2000/047339A1 |
A method of applying an essentially non-slumping, sprayable refractory castable composition to a surface is disclosed comprising (a) preparing a tempered, pumpable first component comprising (i) 100 weight percent of a refractory composi...
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WO/2000/045978A1 |
The invention relates to a casting mould for manufacturing of a cooling element for a pyrometallurgical reactor, wherein the casting mould is at least partly cooled and lined with a material that can withstand high temperatures. The inve...
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WO/2000/046561A1 |
A water-cooling panel for the furnace wall and furnace cover of an arc furnace that is capable of securing a service life equal to or greater than that of a water-cooling panel of steel plate weld construction, steel piping construction,...
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WO/2000/044959A1 |
The present invention provides a coating for an article for use with molten metal, the coating obtainable by depositing the coating on the article by magnetron sputtering. Unbalanced magnetron sputtering is preferred. The molten metal ma...
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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 ...
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WO/2000/040913A1 |
The invention concerns a melting furnace comprising a wall (2) and cooling water boxes (6) fixed on the wall with fixing means (20, 22), each water cooling box comprising a refractory mass (16) exposed inside the furnace and a cooling ci...
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WO/2000/037870A1 |
This invention relates to a method of manufacturing by continuous casting a pyrometallurgical reactor cooling element with flow channels. In order to enhance heat transfer capability, the wall surface area of the flow channel, which is t...
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WO/2000/037871A1 |
The invention relates to a method of fabricating a pyrometallurgical reactor cooling element with flow channels. In order to enhance heat transfer capability, the wall surface area of the flow channel, which is traditionally round in cro...
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WO/2000/036154A1 |
The invention relates to a cooling panel for a furnace for producing iron or steel. Said cooling panel has a copper cooling panel body (12) with at least one cooling channel (14) which extends substantially parallel to the back of the co...
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WO/2000/034727A1 |
The invention relates to a kiln car superstructure comprising a removable positioning frame or rack for the heat treatment of components. Said superstructure consists of a frame system made of SiC uprights which are arranged vertically a...
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WO/2000/032539A2 |
A method of producing a refractory product comprising (a) preparing a foamed particulate ceramic composition from a particulate ceramic composition; (b) shaping the foamed ceramic composition into a shaped pre-fired article; and (c) firi...
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WO/2000/031352A1 |
A device for supporting refractory material (47) in a furnace environment is provided. In one embodiment, the supporting device (1) is fabricated from individual pieces (2, 4) which are connected to produce a functional supporting device...
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WO/2000/027568A1 |
A taphole assembly (10) for a vessel (12) containing a molten solid. The assembly (10) is comprised of a tubular element (40) formed of a refractory material. The tubular element (40) has a continuous passage (52) extending therethrough ...
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WO/2000/026596A1 |
A moving hearth is formed by providing a layer of hearth material primarily composed of iron oxide on a base refractory in a reducing furnace and then sintering the earth material so that the sintered moving hearth is not melted at an op...
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WO/2000/026419A1 |
The present invention relates to a cooling system intended for cooling the substantially vertical wall of an oven, wherein said system comprises a lower cooling device made of cooling plates (14) as well as an upper cooling device. To th...
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WO/2000/026597A1 |
The invention concerns a covering and a method for lining a furnace wall, as well as the corresponding anchoring element (1) and brick (2). The covering comprises prefabricated refractory anchors (1) fixed in the wall, at least two monol...
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WO/2000/025078A1 |
A furnace for melting and retaining aluminum ingots, comprising an aluminum ingot preheating tower, a melting crucible furnace for receiving aluminum ingots supplied from the preheating tower while being disposed directly below the prehe...
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WO/2000/020649A1 |
A converter process according to the present invention comprises application of an electromagnetic travelling field through the converter walls (10, 12, 14) during different stages of the conversion process. The electromagnetic travellin...
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WO/2000/020351A1 |
The invention relates to a high-temperature resistant, high-stress, fine ceramic, sintered material consisting of a highly pure, synthetically produced starting material containing 75-95 wt. % Al¿2?O¿3? (A), 25-5 wt. % SiO¿2? (B) and ...
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WO/2000/020814A1 |
Water-cooled pipes (16, 18) of the type utilized to support steel workpieces in reheat furnaces and the like are insulated by preformed, rigid refractory members (30). Threaded studs (40) are welded to opposing surfaces of the pipe (16, ...
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WO/2000/018700A1 |
A carbon-containing refractory material capable of preventing the deformation of a shell of a vessel for a molten metal without causing the durability of a lining thereof to decrease, achieving the improvement of the lifetime of a can bo...
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WO/2000/015573A1 |
Mastics are provided in which separately or in combination the mastic comprises: 1) a) alkaline earth metal silicate refractory fibres; and, b) colloidal silica having a pH of below 8. 2) a) alkaline earth metal silicate fibres; and b) a...
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WO/2000/012835A1 |
A module (10), a wall made from a module, and a method of constructing a wall using the modules (10), wherein the module has the general shape of a plus sign. The module is made from a first rectangular piece (12) and a second rectangula...
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WO/2000/009963A1 |
Spray cooled roof assembly (100) for a metallurgical vessel, e.g. an electric arc furnace, comprising two spray cooled components (110, 120), one of which (110) covers a major portion of the furnace, and the other component of the roof a...
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WO/2000/005543A1 |
A lining (10) for a furnace the lining (10) having insulating material (12) attached to an inside wall (11) of the furnace, the insulating material (12) in use having a hot face (20) which faces inwardly of the furnace, and a cold face a...
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WO/2000/002668A1 |
A method of applying a refractory castable onto a surface of a refractory structure, comprising the steps of: a) preparing a thoroughly mixed wet castable for application onto a surface of a refractory structure; b) conveying the wet-mix...
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WO/2000/001639A1 |
A dry, heat-settable refractory composition comprises a particulate refractory material, a particulate thermosetting organic binder, and a particulate element, compound or alloy which will react with oxygen to produce a refractory bond. ...
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WO/2000/001853A1 |
A fine-grained product which consists of the following main constituents in a dry state: 10 to 80 wt. % TiO¿2?, 20 to 60 wt. % carbon and optionally, 5 to 20 wt. % SiO¿2?; is produced during the production of titanium dioxide according...
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