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Patent Searching and Data


Matches 901 - 950 out of 10,552

Document Document Title
WO/1991/010872A1
A collecting pit (1) for receiving molten metal and cooling water in the event of defects in devices for smelting or heating metal has a drainage made from granular bulk material (5), in particular slag granules, and perforated covering ...  
WO/1991/005883A1
This invention relates to a melting apparatus of cutting scrap for melting cutting scrap such as aluminum cutting scrap into the molten metal of a melting furnace of aluminum or the like. A hopper (10) whose opening (11) is kept above th...  
WO/1991/000366A1
Described is a process for heating a metallurgical furnace, in particular an arc furnace charged with scrap metal or a similar solid material. Oxygen and fuel are fed in through the furnace wall by at least one burner located above the m...  
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...  
WO1990010086A3  
WO/1990/010086A2
In a melting aggregate comprising an arc furnace (1) and a preheating shaft (2) for charging materials which is arranged beside the furnace, the outer walls of the preheating shaft are formed, in the lower part, by the wall (5) of the ve...  
WO1990006481A3  
WO/1990/006481A2
Furnace for melting down scrap iron and similar ferrous materials comprising a tiltable vessel (1') with a refractory-lined hearth and at least partially water-cooled side walls, a removable cover (19'), at least one electrode (17'), and...  
WO/1990/005886A1
A cooling panel which is intended to be positioned at the slag line of a tiltable steel-smelt arc furnace of the kind which is fitted with three electrodes, and in which the three electrodes give rise to three regions which are subjected...  
WO/1990/000627A1
In the particular embodiments of the invention described in the specification, a hearth (1) for melting and refining metal has a hearth bed (11) with cooling pipes (12) so that a skull (21) of molten metal is formed and energy input devi...  
WO/1989/008153A1
In a process for implementing reducing pyrometallurgical processes with oxyde ores, concentrates, intermediate products or metallic intermediate products by means of strongly reducing gases or oxygen-containing gases for producing and re...  
WO/1989/008230A1
The furnace comprises a lined working chamber (1) with sheathing (2), heaters (4) located under the furnace roof, a metal guide (5) for delivering the metal and a running magnetic field inductor (9) mounted outside the working chamber (1...  
WO/1989/003966A1
A static kiln (10) includes an annular heating zone (68), the inner wall of which is defined by an approximately cylindrical core (48). The core (48) and the outer wall (22) of the heating zone (68) are suspended to permit movement due t...  
WO/1989/003011A1
A vessel for containing molten metal comprises a metal shell. At least a part of the shell is cooled by having water droplets applied to the outer surface of the shell at a rate which does not exceed the rate at which the droplets are va...  
WO/1989/002477A1
This invention relates to a method of preventing, during the melt-reduction of Cr ore or iron ore, the scatter loss of the ore and coal at the time of charging. In the present invention, the ore and coal are charged down into a furnace f...  
WO/1988/009388A1
A process for treating metal comprises applying a positive DC potential to an ionic melt layer disposed on the surface of a liquid metal. The application of this potential provides a plasma phase above the ionic melt layer and induces a ...  
WO/1988/004397A1
The scrap that is to be charged into an electric arc furnace (11) is preheated by a gas in a closed circuit (21, 20, 23, 22, 17) and this gas is heated in a heat exchanger (17) by the exhaust fumes from the furnace. A minor part of the c...  
WO/1988/000426A1
An induction plasma furnace comprises an inductor (1) housing a melting pot (2) the side wall of which consists of two vertically oriented sections (3) made of an electrically conductive material and electrically insulated from each othe...  
WO/1987/007307A1
A method for melting a metal in an induction plasma furnace consists in melting the metal (2) by means of the plasma arc (8) and the magnetic field of the inductor (4) and in effecting an interaction between the plasma arc (8) and the ma...  
WO/1987/007468A1
An induction plasma furnace comprises a refractory crucible (1) embraced by an inductor (2), a plasmatron (3) mounted above the crucible (1) and connected to a power source (4) and a hearth electrode (5) mounted in the bottom of the cruc...  
WO/1987/006331A1
Method and device for pre-heating waste metal for furnaces, flue gases generated in a furnace (1) being supplied simultaneously or sequentially to two pre-heating places (3, 4) with waste metal containers (14), said flue gases being made...  
WO/1987/004729A1
High-temperature dirty gas from an electric furnace (1) is directly introduced into scrap preheaters (5a, 5b, 5c), where scrap (6) to be charged into an electric steel-making furnace is preheated. If some portion of heat generated in the...  
WO/1987/002124A1
Melting and holding furnace in which melting (1) and holding (2) chambers are separated from one another, and are connected via openings (6). The holding chamber is designed to be deeper in order to receive the melt which flows out of th...  
WO/1987/001137A1
A method for treating a melt consists in forming a flow of low-temperature plasma (2), feeding it into the melt (3) through the surface of the melt (3) at a speed of about 1,500 m/sec and feeding admixtures passed through the flow of pla...  
WO/1986/005865A1
A burner (10) is mounted on top of a regenerator (11) by a pipe connector (13). The combustion chamber of the burner (10) communicates with the furnace interior via a tunnel (12) and with the interior of the regenerator (11) comprises a ...  
WO/1986/003282A1
Apparatus for the simultaneous smelting and refining of metal ores comprises a chamber (1) having parabolic-shaped internal top and bottom walls and a carbon electrode extending transversely across the chamber (1). Optionally the electro...  
WO/1986/001230A1
Method and apparatus for the continuous making of steel in an electric steelmaking furnace (10), having a charge material preheater (18), continuous charging means (44) and means for removing refined steel (80) without removing the furna...  
WO/1986/000880A1
A furnace comprises a basin (1) of a refractory masonry filled with a melt glass mass (4) and current leading elements (7 and 7a), located in the masonry and coming out on its working surface under the level of the melt and above it. The...  
WO/1985/004946A1
A method and apparatus for improving the efficiency of a heat generator in which combustible fuels such as fossil fuels, refuse, or other materials are burned. Flue gas (18) generated in the heat generator (12) and combustion air (16) ar...  
WO/1985/004675A1
Improvement to a treatment device, during the passage of a liquid alloy or metal stream based on aluminium or magnesium. The device comprises a ladle consisting of an outer metal envelope, an inner refractory lining, a shoot for the inle...  
WO/1985/004705A1
Casting furnace for the casting of metal or the like comprising a crucible (1) having a primary casting chamber (2) which is interconnected with one or more secondary casting chambers (3, 4) to allow the melt to flow from the primary cha...  
WO/1985/004190A1
A circumferential sealing assembly for use with a generally cylindrical, rotatable liquid metal reaction vessel (1) and a hood (14) which is provided to collect hot gases from the reaction vessel (1). The sealing assembly comprises a cab...  
WO/1985/003656A1
High temperature and/or melting furnace (112) for non-ferrous metals, which is provided with a dosing device (111) for automatically removing a predetermined quality of the non-ferrous metal melt (114) from a dosing chamber (131) connect...  
WO/1985/002251A1
A method for distributing, drying and heating a selected mix and weight of metals prior to melting in a furnace, including the steps of placing weights of selected metals in a feeder car (38) according to a predetermined distribution, lo...  
WO/1984/003352A1
The furnace for melting metals comprises a lined casing (1), a crucible(2) and a partition (3) which subdivides the crucible (2) into a melting chamber (4) and a collecting chamber (5), which chambers are connected therebetween. An inter...  
WO/1984/000176A1
An oxygen-fuel burner of the rocket burner type includes a graphite burner block (11) for direct exposure to the interior of a furnace, and a cylindrical combustion chamber (115) formed through the hot face of the burner block and extend...  
WO/1983/002958A1
Method and system including apparatus for submerging, entraining, melting and circulating aluminum scrap in a molten metal media, which scrap is comprised of pieces not capable of self-submergence. The apparatus of the system includes me...  
WO/1982/004306A1
Electric furnace dome that is made especially of ceramic material and which has the necessary openings for at least electrodes and material feed, at which time the dome's center (2) inside of the tube systems (3) is cooled at least aroun...  
WO/1982/004267A1
An aluminum smelting furnace which incinerates waste containing useful metal such as aluminum using scrap tires as fuel recovering the aluminum from the waste. This furnace has a gas production oven having a fuel source of scrap tires, a...  
WO/1981/003696A1
A device for poking a charge fed onto the surface of a melt in an electric arc furnace having a hood and an external cooled casing (2) articulated at one of its ends to the lower section (21) of a horizontal circumferential bend in the w...  
WO/1981/003342A1
A metallurgical furnace (1 to 15, in Figures 1 & 2) for and a process of melting, refining and processing metals and for the reduction of ores thereof by the non-stoichiometric combustion of a fluid fuel and a combustion-supporting gas w...  
WO/1981/002339A1
A substantially spherically-shaped electric melting furnace (22) includes a carbon-lined crucible (80). The interior of said crucible is sealed from the atmosphere outside the crucible and a vacuum pump (68) and venturi device (72) contr...  
WO/1981/001862A1
The metallurgical melting and refining apparatus allows the treatment of scrap, sponge iron, solid or liquid pig iron in any mixture ratio and using as a power source coal, fuel oil, gas or electricity. To this effect and in order to red...  
WO/1981/000758A1
Cooling element for industrial ovens, comprised of a plurality of pipes (1) extending parallel between each other. This element is arranged in the wall and/or the cover of the oven, preferably an electric arc oven, so that it forms a por...  
WO/1980/001834A1
A rotating tower of an electric oven is located in order to rotate about a pivot, on the upper plate (23) of the platform and rests by means of wheels on a rail (18) having the form of an arc of a circle, supported by a layer of a suppor...  
WO/1979/000550A1
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...  
JP2019525112A
[Subject] The ingoting method used for a metallurgical electric furnace and the metallurgical electric furnace is provided. [Means for Solution] The present invention provides the ingoting method used for a metallurgical electric furnace...  
JP2019525128A
A method of manufacturing a current collection object aggregate includes solving a model repetitively on a computer. A model determines heat distribution in a hypothetical current collection object aggregate as an output using a receptio...  
JP6572325B2  
JP6566439B2  

Matches 901 - 950 out of 10,552