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WO/1996/033380A1 |
The invention concerns a process for fitting a gas-injecting nozzle in the wall of an installation. The process is characterized in that: an external supporting surface (11) whose shape matches the so-called internal supporting surface (...
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WO/1996/022397A1 |
An apparatus and method for reclaiming metal chips formed while machining metal castings to their finished shape. The apparatus includes a stationary charging tube (100) extending in a generally perpendicular direction from the charge we...
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WO/1996/018869A1 |
In a method and device for measuring the surface level in a smelting bath (3) at high temperatures and simultaneously feeding in raw metal in the form of a metal bar (7) which is lowered into the smelting bath (3) by means of a lowering ...
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WO/1995/033521A1 |
Combustion of leakage gas caused by spark due to static electricity is quickly and positively detected and counteracted outside and near a sealing device provided at inlet/outlet of a compartment of a continuous heat treatment furnace or...
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WO/1995/032400A2 |
A process and control system for controlling a rotary calcining kiln (10) having a feed material inlet (12) material to be calcined, a calcined product outlet (13) and a high temperature zone in which said material is calcined, the high ...
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WO/1995/016888A1 |
A sealing device used for preventing the risk of explosion or fire caused by the electrostatic spark occurring at the sealing section of doorway of a partition using flammable gases liable to cause explosion or fire in a continuous annea...
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WO/1995/016056A1 |
The proposed method of monitoring the state of the surface of molten metal involves: directing a beam of microwave radiation in the centimetre band, serving as a reference signal, along the normal to the surface (12) of the molten metal ...
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WO/1995/014900A1 |
A continuous furnace with an extended through tunnel (2) has a chute (3) for the material throughput. At the through tunnel (2) there are a first distance detector (12) and a second one (18) at a spaced away from the first. By means of t...
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WO/1994/024506A1 |
This apparatus is provided with a throat (38) which has at one end thereof a raw material inlet port (37) connected to a furnace body (2), and which extends in the diagonally upward direction, a heat exchanger (39) formed on the upper si...
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WO/1994/021415A1 |
A reflow soldering device for SMD printed circuit boards is provided with an optical arrangement for monitoring melting of the solder. A tunnel furnace can be installed upstream of the soldering device in order to preheat the printed cir...
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WO/1994/020791A1 |
A guiding flue (10) of refractory material is arranged at the exit of the slag exhaust hole (7) of a plasma fusion furnace (1) to guiding exhaust gas (5) in the downstream direction of the flowing slag. The slag which flows down by the s...
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WO/1994/012840A1 |
Each of the movable grate elements (2) in a grate cooler, which comprises both movable (2) and stationary grate elements (1, 3), is supplied with cooling air by means of a flexible connection (12). The flexible connection (12) comprises ...
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WO/1994/007100A1 |
The present invention relates to an apparatus (1) efficiently producing brick (53). More specifically, the invention relates to an automated, ultra low profile, continuously moving dryer, kiln and brick handling system which provides eff...
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WO/1993/026137A1 |
Performance of a high temperature diffusion furnace (10) is enhanced by an improved multi-furnace module design (11). The furnace (10) is constructed of materials suitable for clean room environments with an adjustable leveling frame ass...
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WO/1993/015401A1 |
An apparatus and method for dispersing a sample in a process stream is disclosed. The apparatus comprises a conduit (101) which receives a sample at a first end (130) and passes the sample to a pyrolysis furnace (160) through second end ...
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WO/1992/013108A1 |
The sample taking reed (7) mounted in a pipe for evacuating smoke coming particularly from a fusion or heat treatment furnace, is comprised of an extraction tube (8) extended in a closed sleeve (9) having an inlet (11) and an outlet (12)...
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WO/1992/008088A1 |
Apparatus for determining, in a furnace (10) having a pipe (14) along which a hot gas is transmitted to a point of introduction (15) into the furnace, the distance between the point of introduction and the surface (19, 19a) spaced theref...
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WO/1992/003240A1 |
Device for use together with tapping vehicles for aluminium furnaces, magnesium furnaces, etc. The device comprises electrodes which are to be placed on the drainpipe of the vehicle in direct contact with the melt wich are sucked up, and...
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WO/1991/017391A1 |
A cooler for particulate material from a combustion plant, especially for cyclone ash form a PFBC power plant, in which the material is transported pneumatically with flue gases as transport means. At the inlet of the cooler there is a s...
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WO/1990/015163A1 |
A closed remelting furnace (1) comprises a vertical axis (A-A), an electrode support bar (15) for a melting electrode (23), a furnace body (29) with a drive for the electrode support bar and several bottom elements (6, 7) each of which c...
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WO/1990/014569A1 |
A novel high-temperature, gas-burning furnace has a rotating porous-ceramic bed (25), which serves the integral functions of wall insulator, thermal regenerator, combustion chamber (26), and radiant heater. The configuration permits high...
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WO/1990/012295A1 |
A method of heating a body, such as a semiconductor wafer body (4), in an oven (1), the temperature control of which is effected by means of an optical pyrometer (8) directed towards a radiation emission surface of said body (4), the met...
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WO/1990/010720A1 |
During the tapping of molten steel from the converter prior to continuous casting, the onset of slag from the taphole is difficult to detect. Excessive slag carryover from the converter results in a rich slag cover for the steel, favouri...
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WO/1990/008933A1 |
The invention relates to a shield (3) for electromagnetic agitators (1) to protect such agitators against high temperatures, spill and spatter of liquid metal or slag, and against mechanical strain. The shield is dismountable and is buil...
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WO/1989/009918A1 |
This invention relates to an apparatus for inspecting the inside of a hot furnace. In an apparatus for inspecting the inside of a hot furnace provided with a camera (1) placed in a case (2) whose inner periphery is cooled by cooling wate...
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WO/1989/000282A1 |
The present invention is a method of measuring the temperature of a hot crystalline material. It is especially well adapted for measuring the temperature of mineral products within or being discharged from rotary or other types of kilns....
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WO1988008831A1 |
Ceramics having excellent resistance against fusing damages due to molten metal or other inorganic material are disclosed. When in contact with a molten material such as molten metal or glass, members made of conventional boron nitride (...
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WO/1988/008458A1 |
To obtain a sample of molten metal from a vessel, e.g. for analysis, a refractory block (14) is installed in a wall (11) of the vesel and is traversed by at least one passage (15) temporarily closed by a frangible or dislodgeable closure...
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WO/1988/000680A1 |
Gunning apparatus (10) to be lowered as a unit into a refractory vessel has a conduit (20) for refractory material depending from a housing (12), the conduit being rotatable relative to the housing about a generally vertical axis and the...
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WO/1987/007914A1 |
Method of torch guniting of a metallurgical plant providing for directing to the refractory lining of the plant a gunite torch consisting of a guniting mass, a fuel and oxygen. Simultaneously the gunite torch is influenced with a wave en...
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WO/1986/004475A1 |
An apparatus which is capable of producing an image of a smelt bed (31) of inorganic chemicals collected at the bottom (30) of a kraft pulp recovery boiler. The image produced is free of interferences of fume particles and gaseous radiat...
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WO/1986/002437A1 |
Manipulator for guiding of devices for treatment of heats in furnaces, ladles and the like, e.g. lances for injection of oxygen through a door (3) of an electromelting furnace, consisting of a feed table (19), on which one or several dev...
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WO/1986/000978A1 |
Equipment intended to the remaking and repairing of high furnaces (1) comprising a rotating feed launder (7). The equipment comprises a telescopic projection length (21) which is controlled and mounted on the rotating feed launder (7) an...
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WO/1984/000412A1 |
The device for loading a reactor, particularly a rotary drum furnace, with materials to be thermally treated, particularly waste, comprises a loading channel (19) delivering the materials to the reactor, which are introduced therein thro...
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WO/1983/003778A1 |
The test probe usable in chemical or biological reactors is designed to be mounted in normal supports of small size. The probe has an elongate front portion comprising a housing (5) with a sealing inner surface inside the reactor. In use...
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WO/1982/000461A1 |
A refractory powder is intended for filling in a light guiding unit used for transmitting the thermal radiation from the melt to the pyrometer through the lining of a metallurgical plant and has the following composition in% by weight: a...
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JP7474413B2 |
The present invention provides a degreasing furnace and a degreasing method capable of performing degreasing at a proper time. The degreasing furnace (10) comprises: a furnace body (14) which accommodates a degreased object (12); a gas s...
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JP7472536B2 |
To provide a melting furnace molten metal surface detection method and device for stably identifying slag and molten metal even when there are smoke exhaustion and metallic fume.A melting furnace molten metal surface detection device inc...
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JP7472890B2 |
To provide a repair management method that accurately removes dregs and deteriorated layers adhered onto a surface of a refractory layer, and reduces a removal amount of an undegraded refractory layer.A repair management method for a str...
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JP7470100B2 |
The present application relates to a gas control system and method for a reflow soldering furnace, comprising: an oxygen detecting device, capable of coming into contact with a gas in a furnace chamber, for detecting an oxygen concentrat...
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JP2024051739A |
The present invention provides a slag monitoring device and a slag monitoring method that can grasp the state of slag adhesion that changes during operation of a gasification furnace (furnace). [Solution] A slag monitoring device for mon...
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JP7464016B2 |
Provided are a blast furnace slag level estimation method and a blast furnace slag level estimation device that enable highly accurate estimation of the liquid level of slag. Further provided are an operation guidance method, a hot metal...
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JP2024047675A |
The present invention provides vanadium compound manufacturing equipment and a manufacturing method that reduce manufacturing costs and cause fewer manufacturing troubles. This manufacturing equipment includes a raw material ash volume r...
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JP7463414B2 |
The invention relates to an immersion device and a method for detecting a position of an optical cored wire using an immersion device. An immersion device (10) for measuring a temperature of a metal melt (64) inside an electric arc furna...
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JP2024514408A |
A device (100) for pyrolyzing carbon material (15) comprises a working chamber (2) with non-magnetic walls (7) with an inner graphite lining (8); in a carbon-based floor (84); one or more electrodes (10, 11) adapted to be inserted; a sol...
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JP2024042564A |
An object of the present invention is to provide a system for estimating the amount of slag flowing out of an electric furnace, which is a method that allows continuous operation and is capable of estimating the amount of slag flowing ou...
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JP2024041182A |
[Problem] A thermometer that measures the temperature of the refractory lining of a furnace can be installed in a narrow space where work space is limited, and can also be used, for example, by using deformed furnace bottom shells and in...
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JP2024040153A |
[Problem] We propose a method for producing molten iron that estimates the amount of impurities derived from refractories. [Solution] The surface shape of a refractory lined on the inner surface of a container for molten metal, the inner...
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JP2024037217A |
The present invention provides a water vapor partial pressure measuring device that can continuously and easily measure the water vapor partial pressure in a firing furnace. [Solution] A device for measuring the partial pressure of water...
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JP7448990B1 |
An object of the present invention is to prevent dust particles floating in a blast furnace from entering a detection device, and to transmit and receive detection waves more accurately and stably. [Solution] A surface profile detection ...
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