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Matches 251 - 300 out of 9,349

Document Document Title
WO/2012/038906A3
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2011/147006A1
The present utility model patent covers a series of arrangements for components of the liquid steel production unit known as EOF (energy optimizing furnace), these arrangements consisting of the following innovations: adoption of electro...  
WO/2011/149054A1
Disclosed is a dust collector equipped with: a cooling member (10, 110, 210, 410) which cools a gas that has a temperature equal to or higher than the melting point of zinc chloride and contains zinc chloride vapor and which condenses th...  
WO/2011/144401A1
Presented is a method and a device for regulating the temperature of process gases (12) from plants for raw iron production for use in an expansion turbine (34), characterized in that the inlet temperature of the process gas (12) as it e...  
WO/2011/135468A1
Described is a plant for manufacturing cement, which plant comprises a preheater (1) for preheating cement raw materials suspended in gases, a bottom cyclone (11) for separating the preheated cement raw materials and the gases, said cycl...  
WO/2011/131350A1
The invention relates to a firing furnace for a tooth replacement or tooth prosthesis, with a firing chamber, at least one heating element for heating the firing chamber, a control unit for controlling the operation of the firing furnace...  
WO/2011/131880A1
Fuel-fired furnace and a method for operating it, in which method: a main oxidizing agent is injected at a controlled flow rate into the combustion chamber (2) of the furnace; the combustible material is burnt in the combustion chamber (...  
WO/2011/132669A1
A waste heat recovery facility for an arc furnace for steel making is provided with: first exhaust gas passages for discharging exhaust gas from each of a plurality of arc furnaces for steel making (1); waste heat boilers (6) that are in...  
WO/2011/127501A1
The invention relates to a method for pre-heating annealing material (4, 5) in a hood-type annealing system having annealing bases (1, 2) that accommodate the annealing material (4, 5) under a protective hood (7) in a protective-gas atmo...  
WO/2011/126427A1
Method for heating a continuous elongated metal product (110; 7) such as strip or rod, alternatively a discreet sheet, which is transported on a conveyor path (101;14), where the heating takes place at a first heating location (103) usin...  
WO/2011/110590A1
A method and apparatus for harvesting waste thermal energy from a pyrometallurgical vessel (1) and converting that energy to direct electrical current, the method including deriving and controlling a primary fluid flow (103) from a prima...  
WO/2011/095426A1
The invention relates to a method for increasing the reactivity of damp fuel (B) in a plant for producing cement, comprising the steps of: compressing (1a) conveying air (A) with subsequent heating (1b) of the compressed conveying air (A...  
WO/2011/087036A1
Provided is an iron making method whereby carbon dioxide emission is reduced while minimizing influences on the reactions occurring in a current iron making process and on the operation thereof. The iron making method comprises: recoveri...  
WO/2011/069257A1
A method and system for improving high excess air combustion system efficiency, including induration furnaces, using a re-routing of flue gas within the system by gas recirculation. Flue gas is drawn from hot system zones including zones...  
WO/2011/063905A1
To clean offgas which comprises hydrocarbon compounds and nitrogen oxides, especially offgas obtained in cement clinker production, a regenerative thermal postcombustion plant (24) is used, with which the carbon compound is oxidized and ...  
WO/2011/065477A1
Disclosed is a gas supply device (4) provided with a first passage (11) which connects a heat-treating furnace (2) to a power generation device (3), a pressure control valve (21) which is disposed in the first passage (11) and which cont...  
WO/2011/061261A3
In order to utilize the CO-rich process gas that develops in the closed electric smelting and/or reduction furnace (1) for the generation of iron alloys, metals, and silicon, for recycling processes, and chemical processes, said gas is b...  
WO/2011/049032A1
A combustion facility (1) using heat accumulation type burners, provided with a furnace body (2) and with a pair of burners (11A, 11B) which is provided to the furnace body and comprises heat accumulation bodies (12A, 12B). The combustio...  
WO/2011/048770A1
Provided are methods for separating and recovering, in a high concentration, CO2 gas generated in cement-manufacturing facilities. One of the methods comprises: feeding both an uncalcined raw material for cement and a heating medium whic...  
WO/2011/039809A1
Disclosed is a method for separating and collecting carbon dioxide from a blast furnace gas. The method comprises: introducing a blast furnace gas removed from a blast furnace into an absorption column; allowing carbon dioxide contained ...  
WO/2011/039810A1
Disclosed is a method for separating and collecting carbon dioxide from a blast furnace gas in a blast furnace gas utilization process. The method comprises: introducing a blast furnace gas removed from a blast furnace into an absorption...  
WO/2011/037789A1
A thermally efficiency regenerative air preheater (250) extracts more thermal energy from the flue gas exiting a solid fuel fired furnace (26) by employing an alkaline injection system (276). This mitigates acid fouling by selectively in...  
WO/2011/029690A1
The invention relates to a method for producing cement clinker comprising the following steps: preheating raw meal comprising calcium carbonate in a preheating stage that is heated by the exhaust gases of a sintering stage connected down...  
WO/2011/026940A1
A TRT process and system for recovering energy from blast furnace top gas in an expansion turbine are disclosed. The over-pressurized blast furnace top gas stream released by a blast furnace (10) is subsequently passed through a top gas ...  
WO/2011/023455A1
In the method according to the invention for producing slag granulate and for recuperating heat from liquid melts, the liquid melt is firstly quenched and granulated using a liquid cooling medium and subsequently cooled further by means ...  
WO/2011/024982A1
In order to maintain molten metal in an arc furnace in a stable state by detecting a change in the state of an iron source supplied into the arc furnace when the iron source is continuously supplied to the furnace and melted, provided is...  
WO/2011/017995A1
A method for reusing outlet coal gas as a reducing gas in direct reduction process, comprises the following treatment process: after being treated by an outlet coal gas processing system (115) of a direct reduction device, the outlet coa...  
WO/2011/016167A1
Disclosed is a silicon oxide removal apparatus for removing a silicon oxide from an inert gas that is discharged from a silicon monocrystal production apparatus, which is characterized by comprising at least a means for bringing the iner...  
WO/2011/012257A1
Method of processing a strip following a strip path by heating or cooling wherein the strip is brought into contact with a roller wherein the roller comprises a heat pipe, wherein the roller simultaneously heats a first strip and cools a...  
WO/2011/010439A1
Methods for generating high-pressure vapour and dissolving smoke particles therein have been proposed as methods for removing smoke particles, but such methods suffer from the problems of high costs and increased device size due to the n...  
WO/2010/136396A1
In the method according to the invention for the heat treatment of fine-grained material, the material is preheated in a preheater in a counter current to hot waste gases and is subsequently calcined and/or baked. The dust content of the...  
WO/2010/138597A3
A waste heat recovery system in which hot waste fluids, such as flue gasses (210), pass through a fluid heat exchanger (220) configured to transfer energy in the form of heat to a heat transfer liquid, preferably molten salt. The energy ...  
WO/2010/133623A1
The invention proposes an arrangement for burning blast furnace off-gas from a bleeder valve. It comprises a bleeder valve (20) having a fixed hollow valve body (22) defining an outlet (26) and a valve seat and a movable obturator (24) t...  
WO/2010/133410A1
The invention relates to a device and a method for recovering energy from at least one metal hot strip bundle (B) which has a temperature of more than 200°C and is produced in a hot rolling mill (H), wherein the at least one hot strip b...  
WO/2010/131658A1
A device for recovering heat of molten slag, having a simple structure and high heat recovery efficiency. A device for recovering heat of molten slag is provided with: a fluid layer (3) formed by fluidizing a fluid medium (32) which is f...  
WO/2010/124980A1
The present invention proposes a method for feeding a burden to a blast furnace (32), wherein the method comprises providing a charging device (38) having at least one material hopper (40), the material hopper (40) comprising a hopper ch...  
WO/2010/124992A1
The present invention proposes a method for feeding a burden to a blast furnace (32), wherein the method comprises providing a charging device (38) having at least one material hopper (40), the material hopper (40) comprising a hopper ch...  
WO/2010/111779A3
A system for controlling emissions of gas and dust during transfer of a hot feed material from a movable transfer container to a stationary feed bin of a furnace. The system includes an upper duct section which is associated with the mov...  
WO/2010/111779A2
A system for controlling emissions of gas and dust during transfer of a hot feed material from a movable transfer container to a stationary feed bin of a furnace. The system includes an upper duct section which is associated with the mov...  
WO/2010/108204A1
A method is described for preheating annealing products in a hood-type annealing system comprising two annealing bases (1, 2) receiving the annealing products (3, 4) under a protective hood (7, 8), wherein the annealing products (3) to b...  
WO/2010/106466A1
The present invention relates to a steel production facility (1) and a method of uninterrupted or at least cyclical steelmaking in said facility (1), wherein in case of uninterrupted steelmaking at least the first three of the following ...  
WO/2010/099929A1
The invention relates to a method for producing and/or processing a slab of metallic material, in particular a steel slab, wherein the slab is transported in the hot state from a continuous casting installation (1) into a slab store (2),...  
WO/2010/099131A1
Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxida...  

Matches 251 - 300 out of 9,349