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JP2004269909 |
To subject a steel material to heating treatment with good accuracy, in the heating treatment of the steel material using a correcting apparatus and an induction heating apparatus.The method for heating the steel material is provided wit...
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JP2004250733 |
To provide a method and a device for predicting temperature in a furnace in which the storage capacity of a storage means required in calculating the radiation energy can be reduced.When the number of gas elements is NGMAX, the gas eleme...
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JP2004244721 |
To obtain the temperature control having high accuracy by accurately estimating a heat transfer coefficient of a steel plate performing water-cooling treatment in a water-cooling process on-line.To the steel plate after passing through t...
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JP2004244659 |
To provide a method for manufacturing a steel material, which reduces a heating-fuel consumption rate for the steel material to minimize the manufacturing cost, by inhibiting giving more thermal history than a necessary amount to the ste...
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JP3579582 |
To provide a method for restraining variation in tension in changing a reel in a strip coiler which can effectively prevent the propagation of the tension variation to a continuous treating device by gradually reducing the tension variat...
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JP2004205066 |
To provide a heat treating apparatus having high heat treating efficiency by uniformizing temperature distribution in a fluidized bed furnace.Temperature measuring instruments 11-1 and 11-2 are installed at a furnace center part and near...
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JP2004197144 |
To restrain a peculiar variation of sheet temperature variation caused in the case of continuously normalizing a hot-rolled steel sheet of a grain-oriented magnetic steel sheet whose temperature is easily variable in spite of little vari...
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JP2004195496 |
To provide a heating method of steel by which the over heating of the steel is suppressed and energy loss is reduced when heating the steel to be hot-rolled with a heating furnace.In this steel heating method in a hot rolling line, the m...
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JP2004183007 |
To make controllable the change of an extracting reference of a material to be rolled in the case of predicting what a referential value is exceeded by predicting an electric power value based on the rolling schedule.An extracting pitch ...
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JP3560190 |
To improve production efficiency by detecting temperatures of a plurality of heating bodies to control the temperatures of residual heating bodies so that the temperatures of the residual heating bodies converge onto the temperatures of ...
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JP2004141911 |
To provide a producing method for a hot rolled steel sheet, wherein, regardless of the variation of atmospheric temperature, the peeling of scale is suppressed at a tension leveller and accelerated in pickling so that the generation of s...
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JP3538956 |
PURPOSE: To provide a temp. measuring method which can accurately measure the temp. while restraining the lowering of surface temp. of a material to be measured at the time of measuring the temp. and reduces the uneven cooling of the mat...
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JP3537215 |
PURPOSE: To improve the consumption unit of fuel by accurately controlling the temp. of at least one piece of slab after passing a fixed time from the present along a target temp. raising pattern. CONSTITUTION: An actual temp. calculatin...
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JP2004094939 |
To provide the model structure of a control object suitable for non-interfering control or the like and to provide a controller, a temperature controller, and a heat treatment apparatus using the same.A control object model 1 is made the...
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JP2004082147 |
To provide a rolling method for preventing an empty furnace by changing the temperature of a heating furnace when piercing bearing steel with a piercer.By slowing down the rolling speed by 25-40% in one section of the temperature zone of...
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JP3532062 |
To provide the device and method for heating device a steel strip in continuous annealing furnace by which the uniform heating and the efficient heating of the steel strip can be executed regardlessly of changing-over of direct heating r...
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JP2004064002 |
To provide a thermal analysis method and a program for thermal analysis, efficiently finding out the heating conditions of a heat device, without using the property values of an object to be heated.Heating characteristics are digitized a...
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JP3523903 |
PURPOSE: To almost uniformly maintain the temps. in the respective parts in a furnace by executing supply and discharge of air for combustion in the state of stopping the supply of fuel when the combustion of heat accumulative burners ar...
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JP2004043912 |
To provide a process, a system and a program for controlling combustion in a continuous heating furnace for steel materials which inhibit poor material quality or surface quality defect and improve unit fuel consumption, and a computer-r...
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JP3520167 |
To provide a low tension sheet passing method capable of preventing the meandering of a strip on a continuous annealing line having a huge horizontal furnace and independently and optionally setting the tension on the inlet and outlet si...
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JP2004003800 |
To simultaneously estimate the temperature distribution and the thermal flux distribution in the inner surface and the outer surface of a reaction vessel.This operation management device for the reaction vessel is provided with an input ...
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JP2004002926 |
To reduce labor and time for structuring a model of controlling a sheet temperature in a continuous annealing line, in a project or a furnace.This method for controlling the sheet temperature comprises structuring a frame for controlling...
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JP3504118 |
To automatically decide a setting kiln temp. under consideration of the longitudinal direction of a slab. As a temp. control system in at least a heating zone in a tunnel kiln, a point positional arithmetic means 17 for obtaining a temp....
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JP3489240 |
PURPOSE: To stably float up a metallic strip at a prescribed height in a furnace by controlling gas pressure in the furnace with an accurate gas pressure detected preliminarily by a testing floater at the outside of the furnace at the ti...
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JP3489143 |
PURPOSE: To provide a continuous heat treatment furnace, in which a strip can uniformly be cooled even in the case of feeding the strip particularly, plural narrow width strips as plural lines. CONSTITUTION: In the continuous heat treatm...
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JP2003306721 |
To charge steel of high charging temperature to a heating furnace based on a steel carry-out schedule from CC.A device for preparing a heating and rolling schedule in a hot-rolling shop comprises a determination unit to determine non-cha...
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JP2003306717 |
To provide a heat treatment method of steel and a program therefor for reflecting the result of heat control of steel which is presently heated on the heat control of the steel itself, and for controlling the temperature of the steel wit...
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JP2003301223 |
To provide a heat treatment method for a steel material, which makes a surface temperature and an interior temperature of the steel material in exact agreement with the target and performs such heat treatment as to impart the steel mater...
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JP2003293033 |
To provide a method for heating a steel material and its program by which the temperature of the steel material having temperature distribution can be uniformed by heating without applying excessive load to a control unit for performing ...
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JP2003293111 |
To provide an inexpensive metallic strip non-contact controller which is adaptable to the meandering of a metallic strip and the change of the width thereof.The metallic strip non-contact controller is provided with a non-contact control...
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JP3479198 |
To automatically perform accurate aggregation according to process conditions and lot aggregation conditions and set the process order of products in an aggregate lot according to the attributes of the products by selecting an aggregate ...
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JP2003277834 |
To provide a cooling method to cool a metal strip.When controlling the cooling of the metal strip in a cooling zone in which gas-jet cooling and mist-cooling are freely switched, an area in which the temperature of the metal strip reache...
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JP2003268446 |
To provide a process and device for heat-treating steel pipes wherein the steel pipes are induction heated and subsequently water-cooled, which can prevent deterioration of material quality of products caused by temperature unevenness, w...
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JP3470215 |
To shorten the distance between nozzles arranged at the upper and the lower parts in a catenary type drying furnace and a strip passed through between these nozzles. The catenary type drying furnace executes the drying treatment of a coa...
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JP2003253345 |
To provide a process of in-furnace management of materials which allows immediate confirmation of in-furnace history and identification data of materials and prevents wrong operations, even in cases where the materials are transferred wi...
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JP2003239016 |
To provide a continuous gas quenching method and its system with which the gas quenching to a metal can be performed in a little strain and good efficiency without requiring much of resources.In this continuous gas quenching method and i...
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JP2003239022 |
To prepare a steel manufacturing condition in which the charge arrangement in casting can be easily performed.A steel manufacturing condition preparing device comprises a manufacturing information storage means which accumulates the inst...
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JP2003231923 |
To provide a method for controlling a quenched quality, which can adequately control the quenched quality through judging whether a quenched product is a defective or a nondefective, namely through strictly judging the quenched quality.T...
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JP3460755 |
PURPOSE: To produce a steel sheet having excellent surface shape and uniform quality by regulating controlled cooling water based on the measured results of surface temp. distribution and surface shape. CONSTITUTION: A surface temp. dist...
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JP2003226911 |
To change the line speed of a steel strip at an adequate acceleration/ deceleration rate without deviation in the temperature of the steel strip passed through a continuous annealing furnace.The line speed changing command s1 is input fr...
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JP3458534 |
PURPOSE: To ignite a burner in the excellent combustion state with the small disorder of air ratio irrespective of the change of the temperature of the preheated air supplied from a recuperator. CONSTITUTION: This method for controlling ...
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JP2003213327 |
To provide a method for induction-hardening even when the site of a work for performing the pre-process for induction-hardening is apart from the site where a induction-hardening apparatus exists and the work can not be transported to th...
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JP3454839 |
PURPOSE: To easily constitute the control system in the new and additional installation of a heat treatment equipment, and at the same time, easily achieve changes of the sequence control in the additional installation, establishment of ...
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JP2003201523 |
To provide a method for operating a continuous annealing furnace by which a stable operation can be realized without lowering a product yield, even in changing a steel sheet thickness, for the continuous annealing furnace directly connec...
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JP3449179 |
To enable the control of strip width of a side trimming at the inlet side of a line in high precision by predicting the strip width shrinkage quantity in the metallic strip continuously executing heat treatment in a heat treatment appara...
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JP3450108 |
To produce a high quality steel by executing fine cooling control. A temp. predicting device 8A predicts a cooling temp. from a temp., speed, thickness of the tip part of a steel sheet 2A at the inlet side of cooling equipment 1A, on/off...
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JP2003194467 |
To provide a heat equalizing treatment device for a heat treated body with high heat equalizing accuracy and high cleanness.A heat treatment device for applying heat equalizing treatment to a heat treated body 12 has a heat treatment fur...
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JP3446512 |
To reduce the dispersion of quality and acoustic anisotropy by cooling after executing heating and hot-rolling under specific temp. condition to a steel slab and further, water-cooling under plactically same temp. width together with thi...
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JP3446006 |
To produce a steel sheet at high yield by continuously measuring core loss value on a continuous annealing line after annealing and controlling the annealing conditions so as to regulate its yield strength to a prescribed range based on ...
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JP3436841 |
To provide a temp. controller for a multi-zone type continuous heating furnace which can heat the whole slabs existing in plural heating zones so as to satisfy a demanded heating restriction and can put in the upper and the lower limit r...
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