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WO/2017/091916A1 |
A plasma boiler with exhaust gas closed-loop ionisation combustion, comprising a boiler body (100), a plasma combustion torch (109), an exhaust gas collection cover (101), an exhaust gas closed-loop system, a water replenishing system, a...
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WO/2017/074631A1 |
A replacement product for a portion of a castable refractory surface contains a precast refractory piece with accommodation for an adjustable positioning structure for conforming the working surface of the precast refractory piece to the...
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WO/2017/060303A1 |
Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, containing at least two shafts (1, 2) interconnected by a gas transfer channel (3), each shaft operating alternately in firing mode and in preheat...
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WO/2017/058744A2 |
Flue gas entry into the tunnel(s) of a furnace is controlled by varying the flow conductivity or size of the individual or groups of openings through the entry ports. The openings can be provided either as gaps between adjacent blocks, o...
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WO/2017/050312A1 |
The invention relates to a charging device for a shaft furnace, in particular blast furnace.
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WO/2017/050560A1 |
A sealing valve arrangement for a shaft furnace charging installation, said arrangement comprising: a shutter arranged for cooperating with a valve seat; an integrated dual-motion shutter-actuating device for moving said shutter between ...
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WO/2017/050313A1 |
The present invention relates to a device for closing or opening a bottom opening of a material hopper for a blast furnace (top-closing device).
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WO/2017/047314A1 |
Provided is a reduced iron production device that has a structure with which either hot DRI or cold DRI can be retrieved selectively, and in which the height of the entire device can be reduced and production efficiency of hot DRI can be...
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WO/2017/036644A1 |
The invention relates to a blast furnace (1) having a shaft-shaped furnace wall (2), which surrounds a process chamber (3), in which iron ore (4) is smelted in order to form iron (5). The furnace wall (2) has openings (8) on the peripher...
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WO/2017/017252A1 |
A delivery device for delivering filler material into a blast furnace, comprising: - a housing provided with a transition channel (1) for the filler material which defines a first axis X; - a chute (25) for the filler material arranged u...
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WO/2017/005811A1 |
The invention relates to a bellow compensator for a charging installation of a metallurgical furnace. The bellow compensator comprises an inlet end pipe 40 and an opposite outlet end pipe 42 and a bellow section 44 arranged between the i...
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WO/2016/203873A1 |
Provided are a heat treatment apparatus for carbonaceous grains and a method therefor allowing drifts and internal clogging in a direct energizing furnace to not occur, allowing heat treatment of the carbonaceous grains to be continued u...
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WO/2016/197201A1 |
A method for the pyrometallurgical processing of a sulphide material containing copper, the sulphide containing relatively high quantities of silica and relatively low quantities of iron, wherein the process comprises feeding the sulphid...
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WO/2016/160767A1 |
Methods and systems for heating a reactor feed in a multi reactor hydrocarbon dehydrogenation process. The methods and systems are advantageously employed for the production of styrene by the catalytic dehydrogenation of ethylbenzene. Th...
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WO/2016/148555A1 |
The invention relates to iron and steel metallurgy. The problem addressed by the invention is that of developing a method for the reduction smelting of steel, comprising loading a burden into a blast furnace, injecting blast air enriched...
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WO/2016/119770A1 |
The invention relates to a cooling element consisting of cast copper, in particular for use in walls of highly thermally loaded smelting and reduction furnaces, comprising coolant channels arranged in the interior of the cooling element ...
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WO/2016/094994A1 |
The present invention relates to metallurgical processes and equipment and, more particularly, to a metallurgical furnace that is capable of operating with a wide range of raw materials and fuels, including those containing high levels o...
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WO/2016/096332A1 |
The invention relates to a method for reducing molten raw materials, in which method the raw materials, in a solid or molten state, are placed on a bed comprising coke pieces, which bed is at least partially inductively heated, and the r...
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WO/2016/092100A1 |
The invention relates to a method of making a mineral melt, the method comprising providing a circulating combustion chamber which comprises an upper zone, a lower zone and a base zone, injecting primary particulate fuel and particulate ...
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WO/2016/062740A1 |
Device for cooling the support journals (4) of a distribution chute of an installation for charging a shaft furnace, such as a blast furnace, the chute being mounted with the ability to pivot about a horizontal axis (A2) on a ring (1) co...
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WO/2016/005266A1 |
The invention relates to a device for immobilising the chute on the ends of journals in an apparatus for loading a shaft furnace, comprising a pivotable chute (1) for distributing material, the chute being connected to support journals (...
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WO/2015/185694A1 |
The invention relates to a charging installation (1) of a metallurgical reactor, with a cooling assembly (4) disposed for cooling a reactor side of the charging installation (1). In order to facilitate the installation and maintenance of...
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WO/2015/185693A1 |
The invention relates to a gearbox assembly (2) for a charging installation (1) of a metallurgical reactor, the assembly (2) comprising: - a stationary casing (3) for housing a gear assembly, the casing (3) comprising a bottom section (3...
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WO/2015/176131A1 |
An arrangement (10) for preventing egress of a gas from a first opening of a vessel, the vessel including at least one other opening through which the gas can leave the vessel, the arrangement comprising an open passage (48) extending su...
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WO/2015/174320A1 |
This graphitization furnace (1A) is provided with: a first electrode (8); a second electrode (9) that is arranged so as to face the first electrode; a first electrically heated heat-emitting body (11) that is provided to the surface of t...
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WO/2015/124366A1 |
The invention relates to a container for handling granular or pulverulent bulk material, with means for introducing the bulk material in the container, with a rotatable bulk material distributor, and with a drive for the bulk material di...
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WO/2015/104306A1 |
The present invention proposes a measuring probe for a measurement of the material distribution inside the burden of a blast furnace. The measuring probe comprises a sensor with a transmitter coil and a receiver coil, which are protected...
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WO/2015/097073A1 |
A stave cooler (10) for a metallurgical furnace, in particular for a blast furnace, comprises a panel-like body (12) having a front face (14) for facing the interior of the metallurgical furnace, an opposite rear face (16), an upper face...
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WO/2015/095946A1 |
The present invention relates to metallurgical processes and equipment and more particularly to a metallurgical furnace capable of operating with a wide range of raw materials and fuels, including those with high levels of impurities. To...
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WO/2015/089563A1 |
A smelting apparatus that includes (a) a smelting vessel. (4) that is adapted to contain a bath of molten metal and slag and (b) a smelt cyclone (2) for pre-treating a metalliferous feed material positioned above and communicating direct...
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WO/2015/089622A1 |
A metallurgical furnace including a refractory, which may include an inner layer, including bricks of a first type having a heat dissipation thickness, and bricks of a second type having a greater sacrificial thickness and protruding tow...
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WO/2015/075263A1 |
The invention relates to a device (10) for producing an expanded granular material from sand-grain-shaped material (1), comprising a furnace (2) having a furnace shaft (3) that extends substantially vertically and having a feeding appara...
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WO/2015/074003A1 |
A fluidized bed system having a containment vessel, a precast and predried monolithic refractory floor module positioned in the vessel, and a plurality of precast and predried monolithic refractory wall modules stacked within the vessel....
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WO/2015/059361A1 |
The invention relates to a method and to an arrangement for feeding process gases (1) from a suspension smelting furnace (2) into a waste heat boiler (3). The arrangement comprises a feeding throat (4) for feeding process gas (1). The fe...
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WO/2015/026019A1 |
The present invention concerns a foreign-matter processing system comprising: a cleaning robot which is introduced into a specific area and effects sedimentation or travel so as to remove foreign matter or a fluid mixture containing fore...
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WO/2015/018504A1 |
The process according to the invention for burning and cooling of carbonate rock takes place in a parallel-flow regenerative lime kiln with two shafts which are operated in alternation as burning shaft and as regenerative shaft, where a....
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WO/2015/019314A2 |
System and method for enabling continuous thermal decontamination of mixed waste plastic feedstock. The system (1000) includes a first apparatus (100a), zero or more of intermediate apparatus (100b) and a last apparatus (100c), wherein e...
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WO/2015/014919A1 |
The claims define a submerged combustion melter comprising a submerged combustion burner (1) comprising three concentric tubes, all being closed at one end and open at the same opposite end, the internal tube (3) being connected to a sou...
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WO/2015/014920A1 |
A submerged combustion melter 10 is arranged with a vertical melting chamber 11, which may be cylindrical, and at least five submerged combustion burners 21-26 in the bottom base 13, the burners so spaced apart from each other and from t...
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WO/2014/202630A1 |
The invention relates to a mechanical sensor (2) of the level of fill of a cavity (10), for example, a blast furnace, which is mounted on a fixed flange (12) provided on a dome (1) of the cavity (10). The mechanical sensor (2) includes a...
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WO/2014/167176A1 |
The invention relates to a method and to an arrangement for feeding feed material from a bin (10) for feed material into a furnace space of a smelting furnace. The method comprises a first providing step for providing a feed material fee...
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WO/2014/134679A1 |
A channel inductor of a channel induction furnace, the channel inductor comprising (a) a channel liner and (b) a back-up liner that supports the channel liner such that the integrity of the channel liner is not compromised during heat-up...
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WO/2014/109671A1 |
The present invention relates to charging and distributing devices for shaft furnaces for calcining lump material, predominantly limestone, and can be used in the metallurgical, building, chemical and food industries. The device contains...
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WO/2014/094009A1 |
The invention relates to a thermal shielding system for thermally shielding a charge space of a high-temperature furnace, comprising at least one shielding element (2). The shielding element (2) comprises a border (4) constituted of refr...
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WO/2014/069234A1 |
The present invention is a recycling processing system that establishes a new system that combines low temperature detoxification processing technology for asbestos with biomass processing and recycling technology and can be self-energiz...
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WO/2014/060996A1 |
This invention relates to a heating apparatus and to a gas distributor for use in the heating apparatus. More particularly but not exclusively, the invention relates to a pre-heater for heating material prior to being conveyed to a smelt...
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WO/2014/052996A2 |
The invention relates to a furnace for thermally foaming particles of a bulk material, in which the particles to be foamed are introduced into the furnace chamber (14) from above, moved downwards in the furnace chamber (14), heated and i...
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WO/2014/044910A1 |
The invention relates to a method and to an arrangement for feeding fine-grained matter to a concentrate burner (1) or a matte burner of a suspension smelting furnace (2). The invention relates also to a controlling means for controlling...
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WO/2014/046593A1 |
A method for recovery of evaporable substances comprises melting (210) of a material comprising evaporable metals and/or evaporable metal compounds into a molten slag. The molten slag is agitated (212) by a submerged jet of hot gas. The ...
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WO/2014/033257A2 |
The invention relates to a combustion furnace (100) with a combustion chamber (110), in which at least one burner device (10) for feeding a combustion gas/air mixture into the combustion chamber (110) is arranged, wherein the burner devi...
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