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JP6561817B2 |
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JP6562905B2 |
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JP6560868B2 |
To properly determine the amount of oxygen supplied to a slag holding furnace immediately after pouring molten slag.In a slag treatment method, molten slag produced in a steel making process is charged into a slag holding furnace in a mo...
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JP2019131862A |
To provide a burner for a tuyere of a blast furnace, especially an oxygen blast furnace, which is configured so that inside of the blast furnace can be easily monitored from the tuyere even when the burner is used by being directly attac...
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JP6544161B2 |
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JP6540636B2 |
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JP6540654B2 |
To provide a blast furnace operation method capable of detecting the symptom of the blow-by of a blast furnace in an early time at high precision.Provided is a blast furnace operation method in which, using a plurality of ultrasonic sens...
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JP6531475B2 |
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JP6530413B2 |
A method of detecting an open arc in a DC plasma arc furnace which is based on detecting a linear decrease in the log of the magnitude of the frequency spectrum of the voltage between the anode and cathode.
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JP6520408B2 |
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JP2019078497A |
To provide a displacement detection device for a workpiece support member of a rotary kiln capable of preventing occurrence of a trouble in taking in/out the workpiece, by simply and accurately detecting a displacement of the workpiece s...
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JP2019078448A |
To provide an abnormality detection device of a metal melting furnace capable of further earlier detecting an abnormal reaction in the metal melting furnace, and a detection method.An abnormality detection device 3 of a metal melting fur...
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JP6515342B2 |
To detect the obstruction of a blast furnace tuyere, and automatically remove the obstruction of the tuyere when the obstruction of the tuyere is generated.A blast furnace tuyere obstruction removing method includes: imaging a heat-radia...
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JP6512408B2 |
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JP6513826B2 |
Provided are a method and an arrangement for operating a metallurgical furnace. The method comprises a feeding step, and a temperature controlling step for controlling the temperature of a molten metal layer and a slag layer in a furnace...
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JP6509657B2 |
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JP6503069B2 |
A system is provided for collecting and analysing data relating to an operating condition in a top-submerged lancing injector reactor system having a lance, the lower end of which is to be submerged in a molten bath during operation of t...
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JP6499293B2 |
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JP6498294B2 |
A method for optically determining the temperature of a molten metal with a measuring device, including calibrating a replacement measuring chain by a measuring chain as a system-internal measuring standard. The measuring device includes...
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JP6497181B2 |
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JP6492547B2 |
To provide a process of manufacture of molten metal capable of controlling a turning of an electric furnace of which furnace body can be turned in respect to electrodes in view of a spatial non-uniformity of molten state of metallic mate...
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JP6490750B2 |
To provide an observation device which efficiently cools a camera and allows a user to continuously observe a state of a high temperature atmosphere furnace, such as an electric furnace and a coke oven, or a state of an observation objec...
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JP6486983B2 |
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JP6483349B2 |
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JP6483641B2 |
To provide a device for measuring remaining thickness of a blast furnace stave and a method for measuring remaining thickness of a blast furnace stave, capable of accurately and inexpensively measuring remaining thickness of the stave.A ...
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JP6477751B2 |
To evaluate safety in a furnace bottom tuyere of a bottom blowing converter in a short time period and accurately.There is provided a furnace bottom tuyere safety evaluation method of a bottom blowing converter 1 comprising furnace botto...
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JP6475229B2 |
A furnace muffle for an annealing furnace, the furnace muffle including a base body arranged to delimit a volume to be heated, at least one actuator connected to the base body in such a manner that the actuator, during the operation of t...
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JP2019504286A |
A method of indicating the length of an electrode for an apparatus for melting a batch material is provided. The method comprises the step of providing a first signal indicating the temperature at a first temperature measuring point posi...
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JP6466827B2 |
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JP6465952B2 |
A sampler for taking samples from a molten metal bath, particularly a molten iron includes a sample chamber assembly having a cover plate and a housing. The housing has first and second openings for an inflow conduit and a gas coupler, r...
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JP2019501299A |
The present disclosure relates to a method and system (1) for converting iron to steel in a metallurgical vessel (3). Multiple AC transmit and receive coils (11; 11T; 11R) are placed in the wall of the vessel (3) in different positions a...
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JP2019006940A |
To provide the method for diagnosing the furnace wall of the coke oven, including measuring a volume deformation amount with respect to a reference dimension in the furnace wall of the coke oven by using optical equipment such as a laser...
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JP2018204050A |
To provide a method for recognizing a dispersion state of a mineral concentrate in a mineral concentrate burner of a flash smelting furnace and a system for recognizing a dispersion state of a mineral concentrate in a mineral concentrate...
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JP6446252B2 |
A heat treatment apparatus is configured to perform a heat treatment on a workpiece while rotating the workpiece. The heat treatment apparatus includes a rotary shaft configured to support the workpiece and on which a discharge nozzle is...
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JP6438663B2 |
A first radiance meter that is provided so as to face an object in an atmosphere in which there is dust and measures the radiance of the object and a second radiance meter that is provided so as not to oppose the object and measures the ...
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JP2018536085A |
Systems and methods for sensing the melt level of ingots and / or molten materials in one or more of the blast furnaces, refineries, tundish, and / or casting dies in the blast furnace system. One or more laser melt altitude systems meas...
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JP6427829B2 |
One object of the present invention is to improve efficiency at the time of operation of a melting and refining furnace of a cold iron source using an oxygen burner lance, and the present invention provides a melting and refining furnace...
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JP6431267B2 |
To detect molten metal leakage by a simple configuration.A molten metal detector of this invention is installed at a melting furnace constituted in such a way that metal 1 in a crucible 2 is induction heated and molten by a heating coil ...
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JP2018179474A |
To provide a method for determining the service life of a refractory capable of determining the service life of a refractory used for a slag line in a steel making container.Provided is a method for determining the service life of a refr...
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JP6421938B2 |
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JP6409223B2 |
The method involves surrounding a spacer e.g. pipe, by a ceramic component (2) whose two opposing sides are made to flow with flue gas, where protective fluid e.g. gas, is supplied between the spacer and the ceramic component. The protec...
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JP2018159480A |
To provide an ovality measuring sensor for a rotary furnace capable of continuously measuring the deformation of an outer surface of the rotary furnace and monitoring over a long period.An ovality measuring sensor 101 has a contact surfa...
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JP6403469B2 |
To enable the peak temperature of the processing object to be accurately finalized from the temperature measured with a radiation pyrometer.A radiation pyrometer 8 is so arranged in a fixed way that a light receiving face 8A opposes a me...
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JP6402789B2 |
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JP2018154887A |
To provide a method and a device for monitoring pulverized coal blowing condition that can determine accurately the pulverized coal blowing condition.In the blowing condition monitoring process according to one embodiment of the present ...
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JP2018155424A |
To provide a molten metal leakage detection device of an induction melting furnace capable of easily and securely determining whether it is molten metal leakage or not.Provided is a molten metal leakage detection device of an induction m...
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JP6400727B2 |
A metallurgical container (1) includes an outer wall (2), at least one connection element (4) for an electrode which is to be connected and/or a support element which is to be connected, and at least one transponder (3) which is surround...
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JP6380990B2 |
To provide a metal refining method for accurately estimating a side wall coating thickness and adjusting to a prescribed thickness.A metal refining method includes performing melting reduction of a burned ore by using, for instance, a th...
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JP6380509B2 |
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JP2018128172A |
To further clearly image the contour of a work arranged in a furnace.In a furnace inside observation device 1, a controller 10 controls the flowing current of at least any one of first heaters located nearer to an imaging part 30 than a ...
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