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Patent Searching and Data


Matches 701 - 750 out of 3,596

Document Document Title
WO/1979/000550
Guide troughs for leading molten products tapped from blast furnaces or electric furnaces or the like. A lengthy trough body (1), formed in one block with monolithic refractories, is provided with hook-engaging means in order for the bod...  
JP2013253736
To provide a reasonable and economical refractory for a ferromanganese manufacturing furnace, by preventing damage to the refractory due to slag containing much manganese oxide with strong erosion.In a refractory for a ferromanganese man...  
JP2013249995
To provide a lining to be installed on an inner wall of a furnace that stores molten metal of high temperature such as aluminum molten metal, with improved structural strength and durability, while improving workability in preparing the ...  
JP2013245129
To provide an economical and high recovery efficiency production method of a silicon block from a silicon oxide powder and an arc furnace capable of favorably conducting the method.A production method of a silicon block comprises melting...  
JP2013245354
To provide an apparatus for melting a metal material, which has a relatively simple structure, is capable of readily stirring the metal material and can be downsized, and to provide a method for melting the metal material.An apparatus ha...  
JP2013241280
To solve such the problem that since recent fast-paced expansion of the market scale of metallic silicon-based solar cells brings expansion of the production scale, resulting in excessive competition in the market, whereby the market pri...  
JP2013242142
To provide a method of detecting erosion of furnace bottom refractory for a melting furnace, configured to easily and accurately measure the amount of erosion of a furnace bottom refractory without removing a metal layer, and to make a s...  
JP2013228169
To provide a system for treating a non-conductive substance without using any jetting gas.A system includes an arc deflection device that includes: an arc-discharging power supply 21; a cathode 1 with an arch-shaped tip; an anode 3; and ...  
JP2013190141
To provide a raw material heating device capable of effectively extruding a surface layer of raw material deposition having the most heating receiving by being pushed out with a pusher so that the raw material deposition on a hearth beco...  
JP2013184173
To provide a titanium melting device which includes a structure capable of more sufficiently performing stirring of a molten metal in a hearth than ever.A titanium melting device 1, which is provided in an apparatus for continuously prod...  
JP2013170748
To avoid wasteful power consumption and the like by surely determining completion of dissolution of scrap.A dissolution state determination device of an arc furnace includes a noise meter 71 detecting noise generated in the arc furnace a...  
JP2013170741
To provide a combustion device for a heating furnace, capable of simplifying installation work even while the entire heating object can be uniformly heated.An oxygen-containing gas supply port 5 is formed in a laterally long shape on a f...  
JP2013170778
To provide an arc furnace capable of achieving lifting of an electrode at a higher speed than before and improving productivity without causing cost increase, and to provide an electrode lifting device of the arc furnace.An arc furnace i...  
JP2013152030
To avoid any wasteful power consumption or the like by reliably determining completion of dissolution of scraps.A dissolution state determining device of an arc furnace includes a sound level meter 71 which detects the in-furnace generat...  
JP2013152067
To facilitate control of a liquid level height of a molten metal, and to increase a receivable amount of the molten metal corresponding to a size of a furnace.A metal heating furnace comprises a furnace body 10, a tube 12 and a burner 14...  
JP2013148258
To provide a vertical kiln improving support strength of a connection part in a furnace cover and prevent partial damage of brick.A vertical kiln includes a non-rotating hearth 1 of annular plate shape formed with a drop hole 2; a cylind...  
JP2013142519
To provide a metal melting furnace preheating metal material particularly by use of surplus waste heat of a melting furnace, and thereafter heating the metal material and melting the metal material.By recovering a high-temperature gas of...  
JP2013133487
To refine molten iron of low copper concentration (copper content rate) by efficiently removing copper contained in iron scrap.Iron scrap 9 containing copper components is heated to the temperature, at which copper in copper components i...  
JP2013127352
To provide a cooling method which does not require a flow heating medium such as cooling water into an electric furnace including a refractory layer constituting a furnace side wall, and can efficiently prevent melt loss of the furnace s...  
JP2013119642
To provide a device for supplying a melting raw material of an aluminum melting furnace which can efficiently disperse and dissolve in an aluminum molten metal an aluminum melting raw material to be dropped and supplied to a melting cham...  
JP2013119488
To provide a burner capable of forming a combustion flame at a place distant from the tip, a glass fusion furnace therewith, and a method of forming a combustion flame.In this burner 10, an injection pipe for fuel gas 11, an injection pi...  
JP2013114907
To provide a projection failure detector of a breaker for a furnace capable of certainly preventing burning of a projection coil for projecting the breaker in the breaker for the furnace.A projection failure detector includes: a breaker ...  
JP2013095639
To provide a preheating method of a glass melting furnace, a glass melting apparatus, and a method for manufacturing a glass article.In this preheating method of a glass melting furnace 3, combustion gas from a burner 13 is introduced in...  
JP2013088111
To minimize the fluctuation of the internal temperature of a furnace and to significantly reduce fuel consumption simultaneously.A furnace temperature sensor is mounted to detect heat storage in melting such that burner burning is stoppe...  
JP2013082591
To provide a glass production apparatus capable of vitrifying a glass raw material uniformly in a short time.In this glass production apparatus 1, a glass raw material 4 formed in a particular shape is allowed to pass through a combustio...  
JP2013076537
To provide a vortex chamber body for a metal melting furnace which can prevent accidents and easily perform maintenance, with a simplified configuration, and a metal melting furnace using the same vortex chamber body.The vortex chamber b...  
JP2013060629
To provide an aluminum melting system that shows superior efficiency of melting aluminum and certainty of purifying molten metal, and is advantageous for automation.The aluminum melting system includes: a preliminary treatment unit 13 fo...  
JP2013043811
To provide a stabilized zirconia sintered refractory also having high corrosion resistance, and in particular, a sintered refractory having enhanced corrosion resistance in relation to molten glass.A sintered refractory includes, as chem...  
JP2013028483
To provide a furnace bottom nozzle part structure of a glass melting furnace capable of heating efficiently glass into which a liquid to be treated is intermingled to raise a temperature in a short time without being influenced by the co...  
JP2013028482
To provide a glass melting furnace operating method and a glass melting furnace capable of surely stopping downward flow of molten glass without changing the structure of a flow-down nozzle, capable of shortening also time required for o...  
JP2013024526
To provide a water-cooled wide flange beam, which is capable of protecting a wide flange beam constituting a wall of a heating furnace such as a flash furnace for smelting copper from thermal damage, and capable of improving the durabili...  
JP2013023759
To provide a triangular ceiling structure capable of protecting bricks constituting a triangular ceiling part of a flash smelting furnace for copper smelting from a thermal damage and improving durability of the triangular ceiling part a...  
JP2013019604
To provide an aluminum melting holding furnace properly used for heating aluminum molten metal and keeping a high temperature state of the aluminum molten metal, and further properly used for preventing the oxidation of the aluminum molt...  
JP2013011384
To provide a microwave heating furnace which can produce molten pig iron at high energy efficiency in place of a blast furnace pig iron production method, can recover noble metal or the like from a so-called urban mine, and can manufactu...  
JP2012247183
To provide an efficient method of relining a vessel for direct smelting.The method includes a process (a) of cooling a vessel after stopping the direct smelting work, a process (b) of executing the advancement into the vessel via an inle...  
JP2012245467
To provide an exhaust gas treatment apparatus and an exhaust gas treatment method for removing a boron oxide and a sulfuric oxide almost completely from an exhaust gas exhausted from a glass melting furnace, and for controlling the ratio...  
JP2012237542
To provide an apparatus and method for disposal of incineration ash using a plasma arc, capable of disposing of incineration ashes containing fly ash, while minimizing generation of a secondary pollution material.This invention relates t...  
JP2012233241
To provide a furnace body structure of an aluminum melting furnace, which inhibits the local damage of furnace body lining by a molten aluminum and is excellent in efficiency of aluminum melting treatment and certainty of molten aluminum...  
JP2012224880
To effectively accelerate the reaction of a concentrate by blowing a sufficient amount of a reactant gas from the sidewall of a reaction tower.The concentrate burner 10 includes: a concentrate chute 20 which feeds a smelting raw material...  
JP2012224882
To suitably control the thickness of a coating layer formed on the inside of the sidewall of a reaction tower.In the method for operating a flash smelting furnace, the amount of heat dissipated from a reaction tower 2 is detected, and wh...  
JP2012225568
To provide a structure for cooling firebrick for cooling firebrick near the tuyere of a converter capable of prolonging service life of the converter than the conventional one by effectively suppressing the speed of wear due to overheat ...  
JP2012220071
To provide an electrode lifting device of an AC arc furnace which is capable of substantially reducing arc stops generated during an operation, shortening the operation time, and reducing a power cost.This electrode lifting device includ...  
JP2012207904
To provide a determining apparatus of a melting state in an arc furnace that reliably determines the completion of melting scrap to shift process to the next step without waste of electricity consumption or the like.The apparatus include...  
JP2012201896
To provide an apparatus and a method for treating copper containing iron and tin, in which iron and tin can be efficiently removed from the copper containing iron and tin.The apparatus for treating copper containing tin and iron includes...  
JP2012202671
To provide a gas treatment apparatus and a gas treatment method for a melting furnace that can suppress leakage of gas produced in a treatment step of metal in a melting furnace to the outside.The gas treatment apparatus 1 for a melting ...  
JP2012197465
To provide a method of supplying a carbon dioxide reducing agent that is supplied to an exhasut gas for improving the calorie of a recovery exhaust gas, when an exhaust gas energy is collected which is generated from the steel manufactur...  
JP2012197478
To provide a low-cost tuyere unit that enables easy replacement of a thermocouple in the tuyere unit used for a molten metal storage container.A penetration pipe 2 for gas blowing, thermocouples 4, and a sheath pipe 5 for inserting a the...  
JP2012193433
To provide a repairing method for a furnace of a converter, by which working hours for repairing the furnace at a site can be minimized so that an idle period of the converter due to the repair of the furnace can be shorten as much as po...  
JP2012180560
To provide a technique for manufacturing molten steel with which the high utilizing efficiency of energy and also, the decrease in manufacturing cost can be obtained.The arc-melting furnace is composed of an arc-melting chamber and a sha...  
JP2012176426
To provide a melting furnace for melting metal capable of supplying a metal raw material and an alloy raw material to a hearth while accurately controlling the ratio of the metal raw material and the alloy raw material.The melting furnac...  

Matches 701 - 750 out of 3,596