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WO/2010/023105A1 |
In the method according to the invention for firing material pieces in a shaft furnace, a material bed forms in the shaft furnace, said bed having a material bed surface, and fuel is fed in a combustion zone by way of at least one burner...
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WO/2010/018768A1 |
A metal recovery apparatus (66) detoxifies exhaust gas by recovering metal components from the exhaust gas, which is discharged from a processing vessel (10) wherein a thin film is formed on the surface of processed material using a star...
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WO/2010/018436A1 |
In a method for preparing alternative, low-caloric hydrocarbon waste materials for use in furnace systems, in particular rotary kilns, for producing clinker, the alternative hydrocarbon fuels undergo high-temperature gasification under a...
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WO/2010/015243A1 |
The invention relates to a continuous scrap supply into an electric arc furnace (EAF), wherein a channel is provided which is connected at one end to an opening in the wall of the arc furnace and comprises at the other end of said channe...
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WO/2010/012636A1 |
A ceramics kiln comprising an insulated tunnel, means of transporting to advance ceramic products through the tunnel, and means for heating the tunnel, when the means for heating comprise at least a cogeneration group for heat and electr...
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WO/2010/012881A1 |
The invention relates to a process for manufacturing cement clinker in a plant comprising a cyclone preheater (3, 3a), a precalcination reactor (4), a rotary furnace and clinker cooler. According to the invention, the flue gases produced...
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WO/2010/007875A1 |
Provided is an exhaust gas processing facility wherein dusts in exhaust gas from a furnace for producing molten metal are separated and collected to thereby enhance utilization of dusts, and control of internal pressure of the furnace fo...
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WO/2009/000992A9 |
The invention relates to a method for controlling a fume treatment centre (FTC) (23), scrubbing the baking fumes from a rotary baking furnace (1), in which the fumes are drawn in through at least one suction manifold (11) of the baking f...
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WO/2009/156614A1 |
The invention relates to a method for manufacturing a cement clinker in a facility including: - a rotary furnace (1), - a cyclone preheater (2) receiving the fumes from said rotary furnace; - an air blowing clinker cooler (4), and at lea...
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WO/2009/147513A1 |
The invention related to a method to produce electricity in a cement clinker production utilizing a kiln and/or a precalciner as combustion chambers to generate electricity, the method comprising: a. supplying fuel (31, 30) to the precal...
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WO/2009/147465A1 |
The invention related to a method to produce electricity in a cement clinker production utilizing a kiln and/or a precalciner as combustion chambers to generate electricity, the method comprising: a. supplying fuel (31, 30) to the precal...
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WO/2009/145084A1 |
Provided is a gas cupola capable of melting a charge efficiently with the burning flames of combustion burners. The gas cupola comprises a furnace casing (1) having a melting chamber (10) and a molten metal discharge port (11) for disch...
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WO/2009/139488A1 |
A process for reforming high-temperature exhaust gas from a metallurgical furnace which comprises adding a reducing agent to the exhaust gas to reform the gas, wherein the addition of the reducing agent is initiated when the oxygen conce...
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WO/2009/136485A1 |
A method and an apparatus for recovering CO2 gas are provided which enable CO2 gas generated in a cement production equipment to be separated in a high concentration and recovered. Raw materials for cement are calcined in any one of the ...
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WO/2009/131148A1 |
Disclosed is a process for producing molten metal employing a stationary-type non-tilting electric furnace that includes a raw material charging chute in one end of the furnace in the width direction which provides connection from above ...
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WO/2009/128308A1 |
Provided are a device for controlling a pulse jet type dust collector, in which a blower motor can cool itself even if dust-collecting target facilities repeat runs and stops, and a method for controlling the pulse jet type dust collecto...
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WO/2009/126052A1 |
An electric arc-resistance furnace, in particular for manufacturing of concentrated silicon alloys using the method of silicon dioxide and iron oxides reduction with carbon, which has a furnace tank filled with a charge blend and a gas c...
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WO/2009/115365A1 |
A method and a device are claimed for producing liquid pig iron or liquid steel precursor products made of ingredients composed of iron ores and additives thereto, wherein the ingredients are subjected to ongoing reduction in a reduction...
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WO/2009/116674A1 |
Provided is a method for separating blast furnace gas in which blast furnace gas emitted from a blast furnace is separated into gases of various elements using two stages of a gas separation and refinement apparatus. The first stage of t...
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WO/2009/116671A1 |
Provided is a method and apparatus for separating blast furnace gas in which blast furnace gas emitted from a blast furnace is separated into gases that comprise various elements, by means of two stages of a gas separation and refinement...
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WO/2009/113440A1 |
Provided is a combustion gas bleeding probe, which is elongated in lifetime and improved in chlorine removing ability and so on. The combustion gas bleeding probe (1) comprises a cold gas discharge means having a plurality of discharge p...
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WO/2009/112137A1 |
This invention relates to a metallurgical process for the production and/or treatment of at least one metal or ore in a reactor (1, 3), from which a waste gas stream loaded with molten particles and/or vaporous constituents is discharged...
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WO/2009/103257A1 |
The invention relates to a method for the oxidation of combustible constituents in the exhaust gas of an arc furnace, wherein oxygen for the oxidation of the combustible constituents in the exhaust gas is injected into the exhaust gas th...
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WO/2009/092645A1 |
A method for producing cement clinker from raw material in a cement plant, by which method hot gases from a kiln system (3), through an inlet duct (4), which is connecting the kiln system (3) to a drier crusher (1 ), are directed into th...
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WO/2009/088056A1 |
Provided is a catalyst for purifying a discharge gas emitted from a heat-treatment apparatus for burning therein a work coated with a resist material. The catalyst, which is for purifying a discharge gas emitted from a heat-treatment app...
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WO/2009/086981A1 |
Described is an apparatus (5) as well as a method for cooling kiln exhaust gases in a kiln bypass (7), which apparatus comprises a mixing chamber (9) for extracting and cooling a portion of the kiln exhaust gases from a kiln system (1, 3...
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WO/2009/084725A1 |
A system which can be added to an existing gas discharge facility and which is effective for cost reduction because of a dust removing function of the system which can sufficiently cope with treatment of a large amount of gas discharged ...
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WO/2009/079084A1 |
An array of a plurality of heat pipe are mounted in spaced relationship to one another with the hot end of the heat pipes in a heated environment, e.g. the exhaust flue of a furnace, and the cold end outside the furnace. Heat conversion ...
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WO/2009/041099A1 |
[PROBLEMS] To provide a reflow furnace, which has a mechanism not affecting working environment even when it is indoor, by attaching an exhaust gas cleaning/cooling apparatus to the reflow furnace, and furthermore, performs stable solder...
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WO/2009/028274A1 |
A method of treating a flue gas containing combustible components that at the cessation or shutdown of the operation of a vertical furnace, remains in a flue gas pathway including flue gas treating equipment. The method of treating a res...
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WO/2009/008256A1 |
This invention provides an apparatus and method for treating a waste gas, which, without an excessive increase in equipment cost, prevent troubles such as clogging caused by dust deposition in a waste gas treatment equipment and a deteri...
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WO/2009/000704A2 |
The invention relates to a method for operating a shaft furnace (10). According to said method, an upper region (14) of the shaft furnace (10) is charged with raw materials which sink in the shaft furnace (10) under the influence of grav...
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WO/2008/153517A2 |
Provision is made in an organic rankine cycle power plant for modulating the flow of hot gases from a thermal source to the evaporator. The modulation device may be a blower (21) on the downstream side of the evaporator (13) and/or a val...
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WO/2008/148674A1 |
The invention relates to a method and a device for utilizing heat transported by a discontinuous flow of exhaust gases (1), wherein the discontinuous flow of exhaust gases (1) is emitted in phases (P1, P2, P3, P4, P5) with, in each case,...
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WO/2008/137647A1 |
A process for treating particulate material containing heavy metal generated during a manufacturing process is disclosed. The process includes providing particulate material containing heavy metal within an enclosed area and mixing an ad...
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WO/2008/126759A1 |
This invention provides a method for treating a high-temperature waste gas, which can lower the temperature of the high-temperature waste gas to a proper temperature while effectively suppressing the deposition of molten components and d...
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WO/2008/120109A1 |
Described is a method as well as a plant for manufacturing cement clinker whereby cement raw meal is preheated and burned into clinker in a kiln system (1, 3, 5) and subjected to cooling in a subsequent clinker cooler (7), by which metho...
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WO/2008/113496A1 |
An improved flue gas cooler (10), or bank of coolers (10), handles flue gas G from aluminium reduction cells in an aluminium smelter plant. The or each flue gas cooler (10) has a gas inlet chamber (14), a gas outlet chamber (16), and a m...
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WO/2008/074205A1 |
A waste heat recovery and utilization apparatus for a rapid cooling zone of a ceramic production line furnace comprises a heat exhaust duct (3) arranged on an upper portion of the furnace in the rapid cooling zone and communicated with t...
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WO/2008/056405A1 |
A dust collector for purifying of gas (11) through collection of dust (12) from the gas (11), comprising, disposed in dust collector frame (13), tube plate (16) for partitioning the interior into gas introduction chamber (14) and gas dis...
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WO/2008/052942A2 |
Methods for heating a solid material comprising a granular material are provided. Dust is removed from the granular material before it is heated. The dust is injected into the exhaust gas from the heater. The heated dust is recovered and...
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WO/2008/047639A1 |
Disclosed is a purifying catalyst for preventing contamination with a flux component within a reflow furnace, while suppressing generation of CO. Specifically disclosed is a purifying catalyst for a gas within a reflow furnace, which con...
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WO/2008/031937A2 |
Method of controlling a furnace (1) for reheating steel products, such as slabs, blooms, slugs or billets, capable of reheating the product to the desired temperature for rolling, the furnace being equipped with a heat recovery unit (A)....
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WO/2008/006301A1 |
A power supply device for a high-temperature electric balancer of rotary kiln flue with a waste heat boiler comprises a low-voltage switchboard (1), a high-temperature electric balancer control box (5), and an emergency power device (3) ...
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WO/2008/007387A1 |
A dust recycling system to capture dust from reduction gas and inject the same back into the melter gasifier for dust burning in a smelting reduction iron making process comprising a hot gas cyclone (HGC) a dust bin (LDB) in operative co...
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WO/2008/006447A1 |
The invention relates to a device for the suction removal of filling emissions of a high-line bunker installation of a blast-furnace operation, comprising a stationary fume collecting line (2) and a passing-over carriage (4), which can t...
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WO/2007/121530A1 |
A direct smelting plant for producing molten metal from metalliferous feed material in a direct smelting process is disclosed. The plant includes a process controller for adjusting the volumetric flow rate of fuel gas supplied to a burne...
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WO/2007/121536A1 |
A process for direct smelting metalliferous feed material in a direct smelting vessel and producing process outputs of molten metal, molten slag, and an off-gas from the vessel is disclosed. The process includes controlling pressure in t...
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WO/2007/121563A1 |
The invention relates to the field of electrical generation and more specifically to the use of a wind turbine for generating electricity. A vertical axis wind turbine is mounted on the upper portion of a chimney. Rotor blades are dispos...
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WO/2007/121531A1 |
A direct smelting process for producing molten metal from a metalliferous feed material in a direct smelting vessel is disclosed. The process includes using a stream of off-gas from the vessel as a fuel gas in (i) stoves for generating a...
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