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WO/2013/159966A1 |
The system according to the invention for heat treatment of granular and lumpy material, particularly ferronickel ore, has a rotary kiln for the preliminary reduction of the material and an electric kiln for melting of the pre-reduced ma...
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WO/2013/137772A1 |
The invention relates to the field of heat-exchange devices, in particular to chain curtains for rotating furnaces for the construction material industry. The chain is formed from two types of link alternating on alternate links and cons...
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WO/2013/124372A1 |
An integrated apparatus for the production of clinker starting from raw meal is described, comprising a rotary kiln (3); a multistage cyclone preheater (1) connected downstream of said rotary kiln (3) with respect to the direction of flo...
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WO/2013/118725A1 |
The present invention pertains to a method and device for producing reduced iron from iron-making dust comprising iron oxide produced in an iron-making plant, focuses on a rotary kiln reduction method free of the need to pre-treat the du...
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WO/2013/113664A1 |
It is described an integrated process for the production of clinker by dry process, with treatment in continuous of bypass dusts produced by the kiln, wherein the solid matter to treat consists of bypass dusts of a clinker production pro...
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WO/2013/099187A1 |
This bulk-material cooling device (4) is provided with the following: a plurality of strips of movable floor (20, 30) that extend in a conveyance direction, are lined up in a direction perpendicular to the conveyance direction, support a...
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WO/2013/093212A1 |
The invention relates to a device (100) for cooling the opening of a rotary kiln by means of cool air-blowing, said kiln comprising a metal cylinder (3) lined internally with a refractory material (73) and being rotatably mounted relativ...
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WO/2013/089585A1 |
The invention relates to the field of heat-exchange apparatuses. The cross section of each chain link is of spindle-shaped form with a ratio of the vertical overall size thereof to the horizontal overall size of 0.3-0.9. In a first alter...
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WO/2013/082658A1 |
A method of starting a molten-bath based melting process includes commencing supplying cold oxygen-containing gas and cold carbonaceous material into a main chamber of a smelting vessel within at most 3 hours after completing a hot metal...
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WO/2013/082659A1 |
A method of starting a smelting process in a smelting vessel includes heating frozen slag and forming molten slag and draining molten slag from a forehearth connection via a forehearth and establishing a clear flow path through the foreh...
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WO/2013/056348A1 |
A process and an apparatus are disclosed for improved recovery of metal from hot and cold dross, wherein a dross-treating furnace is provided with a filling material with good capacity to store heat. This filling material is preheated to...
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WO/2013/058931A1 |
A method of making Portland cement, white cement, calcium aluminates, calcium aluminum silicates and similar oxides using solid state combustion synthesis is described. The method uses less energy and produces lower CO2 emissions than co...
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WO/2013/053890A1 |
The invention provides an apparatus for conducting interaction between gases and solid particles. The apparatus has a vertical hollow shaft with a vertical row of constrictions formed internally and defining a series of intercommunicatin...
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WO/2013/047640A1 |
To address the problem of providing a raw material heating device capable of continuing with a subsequent process, a tubular body (3), which is formed in a tubular shape centered on a horizontally extending axis (2) and rotates around sa...
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WO/2013/042280A1 |
Provided is a heating processing device that can have a large size without decreasing the heat transfer performance. This heating processing device (A), which performs a heating process on an object to be processed within a tubular body ...
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WO/2013/018199A1 |
A heating furnace (561) is provided with an inside cylindrical part (601) for rotating around a prescribed axis (C1), a cover part (581) for housing the inside cylindrical part in the interior thereof, and capable of trapping heat in the...
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WO/2013/018871A1 |
A heating furnace (561) is provided with an inside cylindrical part (601) for rotating around a prescribed axis (C1), a cover part (581) for housing the inside cylindrical part in the interior thereof, and capable of trapping heat in the...
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WO/2013/015883A1 |
A cost-effective solution for the disposal of solvent deasphalting process bottoms that include spent solid adsorbent material containing ash-producing constituents, asphalt and process reject materials is provided by introducing them in...
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WO/2013/008158A1 |
A converter comprising a container (2) defining a first axis X; a support ring (3), coaxial to the container and spaced therefrom, provided with two diametrically opposed supporting pins (6), defining a second axis Y orthogonal to the fi...
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WO/2013/003960A1 |
The present invention provides a system for conversion of organic matter into a torrefied product, wherein the system comprises a direct fired rotary kiln.
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WO/2013/002671A1 |
The invention relates to the field of heat-exchange devices, in particular to chain curtains for rotary furnaces in the construction material industry. The technical result of the invention is an increase in dust collecting by the chain ...
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WO/2013/001334A1 |
The invention relates to a method for detecting straightness deviations and/or deformations in a rotary kiln (1), the rotating cylinder (4) of which has tires (6) arranged at a distance from one another in the axial direction, which tire...
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WO/2012/168675A1 |
Apparatus for pyrolysing or gasifying the organic content of material, including organically coated waste, biomass, industrial waste, municipal solid waste and sludge, having organic content; the apparatus comprising : an oven having a r...
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WO/2012/168850A1 |
An apparatus (100) is provided for thermal or thermal-catalytic degradation of feedstock. The apparatus includes a retort vessel (102). The retort vessel (102) is configured to receive feedstock. Further, the retort vessel includes at le...
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WO/2012/169711A1 |
The present invention relates to a low-grade-coal coal gas production system whereby it is possible to produce a coal gas of which the main component is syngas (H2 and CO). To this end, the present invention comprises: a supply unit (1) ...
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WO/2012/163663A1 |
In a device for the firing of clinker in a furnace (10), the heat generated in the furnace (10) can be used in a particularly efficient and versatile manner if heat generated in the furnace is transferred, by means of a first heat exchan...
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WO/2012/163664A1 |
To produce cement clinker by firing of raw meal in a furnace, use is conventionally made of a raw meal preheater in which heat of the flue gas emerging from the furnace is transferred to the raw meal. In order to remove impurities which ...
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WO/2012/152899A1 |
The present invention relates to a process for decarbonation of particles of raw meal, to be burnt in a clinkering kiln at a cement plant, which particles having a particle size distribution such that the retention of the particles on a ...
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WO/2012/136405A1 |
The invention relates to a method in which precipitated calcium carbonate is produced from a cement production process using pre-heated and optionally at least partially pre-calcinated raw cement mix, wherein raw cement mix is pre-heated...
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WO/2012/136631A1 |
The invention relates to a process and a plant for producing cement clinker and for purifying the offgases formed, in which - cement raw meal is preheated by means of hot offgases in a preheater and subsequently optionally precalcined, -...
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WO/2012/130858A1 |
The present invention relates to a method for operating combustion process in a furnace (1) whereby a primary fuel and a secondary fuel are burnt, to an apparatus for injecting liquid oxygen into the furnace and also to the corresponding...
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WO/2012/119882A1 |
The drum reactor according to the invention for powdery, granular, or fragmented material having at least one drive for rotating the drum reactor about the longitudinal axis of said drum reactor is characterized in that the drive is comp...
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WO/2012/117159A1 |
The present invention relates to a method and an arrangement for burning lime mud into lime in a lime kiln. The lime mud flows counter-currently to flue gases from a feed end to a firing end and the fuel used is flue gas that is produced...
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WO/2012/111566A1 |
A burning apparatus comprising a burning tube which has openings at both ends, a pair of hoods which respectively cover the openings in the burning tube, and a pair of rings each of which closes a gap between the burning tube and each of...
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WO/2012/095338A1 |
The invention relates to a plant for producing cement (100), having a first stage (115) for crushing raw material (110) to form raw powder (120), a second stage (160) for calcination and sintering of the raw powder (120) to form cement c...
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WO/2012/084608A1 |
The invention relates to a cooler for cooling hot bulk material, wherein cooling gas flows approximately transverse to the feed direction through a bulk material bed, and absorbs the heat of the bulk material, wherein a fixture supportin...
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WO/2012/085444A1 |
Discontinuously charged method for smelting materials that are to be melted in a fuel-heated furnace, in which at least one stage of supplying heat energy involves a conditioning phase during which - the at least one burner operates subs...
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WO/2012/085880A2 |
The modular plant, comprised of at least one basic module, is suitable for converting carbonaceous matrices (6) into fuel or other useful products with no adverse environmental impact. The modular plant includes a rotary reactor (9) equi...
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WO/2012/079580A1 |
Described is a method for heating raw materials (1), such as cement raw materials, limestone or other mineral-containing raw materials, by which method the raw materials and a secondary fuel (5) are introduced in a material inlet end (6)...
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WO/2012/069057A1 |
Described is an apparatus (7) for removing volatile components, such as chloride, alkali and sulphur, from exhaust gases in a cement manufacturing plant, which plant comprises a preheater (1) for preheating cement raw materials, a kiln (...
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WO/2012/056178A2 |
The invention relates to a cement clinker manufacturing plant characterized in that it comprises: a plant for producing purified syngas, obtained from solid waste, and means for transferring ash recovered from the ash pan (6) of the gasi...
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WO/2012/048284A2 |
An apparatus includes a microwave source emitting energy in a frequency range of about 300 Mhz to about 300 Ghz. At microwave cavity includes a stationary input section, a stationary output section, and a rotating processing section betw...
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WO/2012/048146A1 |
A biomass torrefaction system is provided which enables a continuous torrefaction process that involves the introduction of biomass particles into a rotating reactor drum having a low oxygen environment. The particles are conveyed throug...
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WO/2012/031597A1 |
Device for use in a bottom construction of a bed for cooling particulate material, where said device comprises a frame comprising means for fastening said device to the bottom construction, and where inside the frame a primary and a seco...
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WO/2012/028912A1 |
In a wall part (1) of an assembly of a clinker production plant having a device for introducing waste materials and/or alternative fuels into the interior (10) of the assembly, comprising a rotor housing (3) which is open toward the inte...
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WO/2012/025535A1 |
The invention relates to a firing system (10) for producing cement clinkers from raw meal, comprising a raw meal preheater (14) consisting of one or more cyclone stages (14A-14E) for preheating the raw meal, a pre-calciner (16), in which...
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WO/2012/025852A1 |
A description is given of method as well as a plant for simultaneous production of separate flows of cement clinker and supplementary cementitious material (SCM), respectively, where cement raw materials are preheated in a preheater (5),...
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WO/2012/022058A1 |
A decomposition equipment with single burner for coal substance is disclosed. Coal powder left after lump coal having been picked by coal mining enterprises is used as the raw material of the decomposition equipment. After flowing into t...
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WO/2012/017281A1 |
In an apparatus for introducing waste materials and/or alternative fuels into a clinker production plant, the apparatus comprising a tubular housing (2) with a rotor (4) which can be driven in a rotary manner is mounted such that it can ...
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WO/2012/018348A1 |
Techniques are generally described for producing cement clinker that includes forming cement clinker in a kiln, heating waste additives, and applying the heated waste additives to the cement clinker in the kiln. Additionally, examples ar...
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