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WO/2013/045534A1 |
The present invention provides a method for decreasing the temperature of blast-furnace gas temperature peaks which is characterized in that the pressure of the blast-furnace gas is being measured continuously, and injection of water int...
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WO/2013/037444A1 |
The invention relates to a method for processing furnace gas (4) from a steel and/or iron works, wherein said furnace gas (4) contains carbon dioxide and/or carbon monoxide and is at least partially integrated into a method (7) for the f...
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WO/2013/037443A1 |
The invention relates to a method for processing coke oven gas, said coke oven gas containing hydrogen, wherein the coke oven gas is at least partially integrated into a method for producing dimethyl ether in conjunction with a gas conta...
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WO/2013/034541A1 |
The invention relates to a method for operating an industrial oven (100) that is regeneratively heated by means of at least one regenerative heat accumulator (10), the industrial oven having an oven chamber (21) of an oven (20), in parti...
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WO/2013/035593A1 |
A heating furnace is provided with: an object space (212a) in which an object to be fired is disposed; and a furnace body (212) which surrounds the object space. The heating furnace is provided with: one or more closed type gas heaters e...
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WO/2013/031370A1 |
This regenerative exhaust gas purification device (1) has: a combustion chamber (10); a plurality of regenerators (11, 12), one end of each of which is in communication with the combustion chamber; on-off feed valves (14, 15) for feeding...
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WO/2013/026709A1 |
This invention relates to the thermal treatment of lump or agglomerated material in a firing machine (1 ) with a travelling grate (2) on which the material is conveyed through the firing machine (1 ), a firing chamber (4) for generating ...
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WO/2013/023950A1 |
A blast furnace installation comprises a blast furnace (10), a gas cleaning unit and lateral top gas extraction tubes connected between an upper topcone (14) of the blast furnace (10) and the gas cleaning unit. According to an aspect of ...
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WO/2013/024339A1 |
The present invention relates to an apparatus for decarbonization of calcium carbonate into carbon dioxide rich exhaust gas comprising: • a reactor (30) for releasing the C02 by decarbonization of CaC03; • a duct (33) for forwarding ...
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WO/2013/011089A1 |
The invention relates to a method for the dust removal and cooling of converter gas and to a device for carrying out the method. According to the method for the dust removal of converter gas, converter gas that accumulates during the pro...
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WO/2013/007579A1 |
The present invention relates to a process for treatment of steel by heat treatment in a heat treatment furnace (2) and pickling in a steel pickle (3), where the waste process air from the steel pickle (3) is heated to the catalyst opera...
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WO/2013/000175A1 |
Disclosed in the present invention is a method and a device for generating power via high temperature waste heat from waste slag in iron and steel smelting. The method for generating power utilizes heat energy generated by residual waste...
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WO/2012/174749A1 |
A regenerative soaking furnace (200) for burning low calorific value gas includes a furnace body (101) and a furnace cover (102). The soaking furnace (200) is provided with a low-temperature heating system (23) for heating by using high ...
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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/2012/153546A1 |
A heat storage-type combustion device has: a burner (22) which is provided with a fuel gas supply pipe (21); and a heat storage chamber (24) in which a heat storage material (23) is housed. An air guide path (25) which guides combustion ...
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WO/2012/139708A1 |
The invention relates to a method for operating an electric arc furnace (1), wherein molten material (3), in particular steel, located in a hearth vessel (2) is heated by at least one arc (4), wherein a cover (5) is arranged on the heart...
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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/2012/130220A1 |
The invention relates to a method for operating an electric arc furnace system which comprises an electric arc furnace and an exhaust system which is connected to said electric arc furnace and draws gas from the electric arc furnace by s...
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WO/2012/126387A1 |
Disclosed is a process for calcining a cement clinker with pre-heating and pre-decomposition at a high solid-to-gas ratio. During the firing of the cement clinker, the cement raw materials first exchange heat with heated flue gas in a pr...
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WO/2012/124761A1 |
Provided is a shuttle kiln capable of sintering a ceramic porous body containing an organic binder at a shorter time than before and without creating cuts caused by the temperature difference between the inside and the outside. This shut...
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WO/2012/123320A1 |
A metallurgical plant has a plant (7) positioned upstream of a steel-generating plant (8) in the production process for steel and has a gas-generating plant (1) which generates an export gas (2). Carbon dioxide and/or water contained in ...
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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/2012/107404A1 |
The invention relates to a process and a plant for producing cement clinker, which has a furnace system and has essentially the following process steps: - raw material is preheated in a preheater by means of hot offgases from the furnace...
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WO/2012/101359A1 |
The invention relates to a method for the heat treatment of wood, comprising the following successive steps: a step (1) comprising the production of hot gases and fumes using a biomass gas generator; a fume treatment step (3) consisting ...
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WO/2012/091576A1 |
The object of the invention is an electric arc-resistance furnace, in particular for the manufacture of concentrated silicon alloys using the method of silicon dioxide reduction with coal, the system of the furnace including an expansion...
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WO/2012/085258A1 |
The invention relates to a method for operating a furnace (1) in a system for processing metal, in particular a strand casting system, wherein exhaust gas (A) from the furnace (1) is conducted along a flow path (S) through at least one r...
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WO/2012/083451A1 |
An exemplary embodiment provides a regenerative burner apparatus. The apparatus includes a burner housing having a gas channel extending there-through, and a single-stage heat regenerator equipped with a housing enclosing a fluid-porous ...
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WO/2012/086403A1 |
Provided is a blast furnace slag sensible heat recovery device which atomizes blast furnace slag using compressed air, lets sensible heat of the blast furnace slag be absorbed by the air by heat exchange between the air and the slag part...
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WO/2012/085634A1 |
A metallurgical plant gas cleaning system (5) comprises at least one gas cleaning unit (28), and a gas flow generating device (22) for generating a flow of effluent gas to be cleaned through the gas cleaning unit (28). The gas cleaning s...
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WO/2012/080823A1 |
Feeding system for a conventional tiltable electric arc furnace, comprising a furnace gantry extension on the side of the shell formed with the off gas opening. Such extension provides the base for an angled shaft connected in a sealed f...
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WO/2012/076921A1 |
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a conveyor channel (21), having walls (38, 39) to convey the metal charge (13), and at least a ...
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WO/2012/076920A1 |
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a channel (21) for conveying the metal charge (13), at least a hood (17) disposed above the con...
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WO/2012/076917A1 |
Apparatus for pre-heating and conveying a metal charge (13) to a container (12) of a melting plant (11), comprising at least a conveyor channel (21) along which said metal charge (13) is able to advance so as to be delivered to the conta...
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WO/2012/072332A1 |
The invention relates to a device for combusting and/or calcining fragmented material, substantially comprising at least one combustion shaft and at least one cooling shaft, wherein the at least one combustion shaft comprises at least on...
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WO/2012/066408A1 |
An exhaust duct for cooling an exhaust flue. One or more modular coolant coils are disposed about the outer circumference of or within the flue interior cavity for thermal communication with exhaust gas. Each coil has a helical spiral pr...
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WO/2012/063466A1 |
An exhaust gas discharged from a facility for sintering iron ore in an iron making process or the like is subjected to a dust removal treatment and is subsequently heated by means of an exhaust gas heating burner (5), any nitrogen oxide ...
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WO/2012/060157A1 |
This vertical kiln (1) is provided with an outer tube (2) and an inner tube (3), and is provided with a starting material pathway (20) therebetween. A fired article discharge mechanism that discharges fired articles from the kiln is prov...
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WO/2012/057142A1 |
This method for producing a firing body comprises: a starting material preparation step wherein a mixture that contains an inorganic compound, an organic binder and a solvent is prepared; a molding step wherein a green body is obtained b...
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WO/2012/046515A1 |
A thermal efficiency improvement device (10) for a heating furnace is installed in an exhaust port (12) of the heating furnace and reduces heat to be discharged to the outside from the exhaust port (12), said thermal efficiency improveme...
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WO/2012/038151A1 |
In a base part (1) of a plant in the basic materials industry, hot exhaust gases occur during a first phase (P1) of a plant cycle. In a second phase (P2) of the plant cycle, the hot exhaust gases do not occur or only to a considerably re...
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WO/2012/038906A2 |
The present invention refers to a heat exchanger (1) for the rapid cooling of flue gas of ironwork plants, comprising a support structure (2) of at least one module (100) which in turn comprises an inlet manifold (3) of the flue gas and ...
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WO/2012/035611A1 |
Obtained are a method and an apparatus for recovering a metal from electric furnace dust, which are capable of recovering the metal with high efficiency without causing problems such as occlusion of the apparatus. An apparatus (1) for re...
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WO/2012/027862A1 |
A waste heat generation device with an adjusting device of a waste heat extracting opening and a waste heat utilization system which includes said waste heat generation device are provided. The waste heat extracting opening (240) is set ...
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WO/2012/028266A1 |
The invention relates to an ammonia/hydrogen plant having a motor-driven combustion air fan and a motor-driven flue gas fan, by means of which, inter alia, substantial savings can be made both in operation of such a plant and in the prov...
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WO/2012/029947A1 |
The purpose of the present invention is to provide a rotary hearth furnace exhaust gas duct apparatus which produces reduced iron or granular metal iron by heating a raw material containing a carbonaceous reduction material and an iron o...
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WO/2012/019314A1 |
Disclosed is a residual heat utilization system (200A) matched with the energy level of a cement kiln hood, which includes a residual heat production device (210A), a first heat utilization device (220A) and a second heat utilization dev...
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WO/2012/005901A1 |
A regenerative firing system is disclosed which functions in a heat treating furnace or other high temperature technology. The system comprises a plurality of regenerator heat transfer boxes which absorb the heat contained in high temper...
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WO/2011/152024A1 |
A starting material gas containing methane and water vapor is introduced into heat storage chambers (3, 4) in which the exhaust gas remains. Since the methane and water vapor in the starting material gas are mixed in advance in gas mixin...
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