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Matches 1 - 50 out of 2,780

Document Document Title
WO/2018/000004A1
The invention relates to a method for producing steel using lump iron carriers in a converter (1). Fuel and oxidizing gas are injected into the hot converter (1) supplied with lump iron carriers through nozzles (4) in the converter base ...  
WO/2017/173537A1
A method of operating a burner assembly is provided. The method includes the steps of: providing combustible fuel at the input end of the burner assembly; providing atomization air at the input end of the burner assembly; transporting th...  
WO/2017/122647A1
This metal melting device is provided with a crucible 20 for storing molten metal therein, a stirring part 30 for stirring the molten metal in the crucible 20, and a heating part 40 for heating the crucible 20. The stirring part 30 inclu...  
WO/2017/109543A1
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...  
WO/2017/109657A1
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...  
WO/2016/066163A1
The present invention relates to a melting device comprising a loading shaft (13, 13a) and a tilting device (4) by means of which a furnace vessel (1) with a furnace vessel cover (10) can be tilted into different tilt positions around a ...  
WO/2015/181781A1
An apparatus (10) to move and preheat metal material (M) to be fed to a container (12) comprises a containing structure (14), having an internal compartment (14a) and provided with a support wall (18), a conveyor (20) for the material (M...  
WO/2015/137549A1
The present invention relates to a scrap preheating device comprising: a case provided with a sealable internal space therein so as to accommodate a scrap before putting the scrap into an electric furnace; and a surface combustion burner...  
WO/2015/133839A1
The present invention provides an electric arc furnace. The electric arc furnace of the present invention comprises: a furnace body having a cylindrical container for accommodating scraps to be melted and a container cover for covering t...  
WO/2015/128714A1
The device for pre-heating cement raw meal for cement clinker production comprises at least one heat exchanger line for discharging cement raw meal in counterflow to hot gases drawn through the heat exchanger line and a supporting struct...  
WO/2015/122246A1
A preheating device (100) that, by using heat generated inside a furnace main body that melts raw material, preheats a raw material supplied to the furnace main body and comprises: a preheating shaft (11) that stores raw material and has...  
WO/2015/122086A1
A raw material conveyancing bucket (4) that, prior to raw material for melting in a melting furnace (3) being melted in the melting furnace (3), conveys the raw material in a suspended state using a crane, to a pre-heating device (2) tha...  
WO/2015/114563A1
Apparatus to heat and transfer mainly metal materials to a melting furnace (12), the apparatus comprising a transporter device (13) configured to move the materials continuously to the melting furnace (12), and at least an induction heat...  
WO/2015/114579A3
Plant for melting metal materials comprising at least a heating unit (11) provided with a container (13) to contain the mainly metal materials and with at least an induction heating device (22) configured to heat the mainly metal materia...  
WO/2014/207717A1
This invention relates to a preheating apparatus (10) which is suitable for preheating material before it enters a furnace. The apparatus defines a cavity (12) therein for receiving the material to be preheated, which cavity (12) is defi...  
WO/2014/146853A1
The invention relates to a fixing device (2) for a steel scrap (6) to be charged in a metallurgical melting vessel (4), having a vertical shaft (8) surrounded by a housing wall (10) for receiving the steel scrap (6), and at least one mag...  
WO/2014/071464A1
A two-stage molten bath-based smelting process for producing molten metal from a metalliferous feed material includes (a) preheating metalliferous feed material in a preheater and (b) injecting preheated metalliferous feed material and a...  
WO/2014/034417A1
Provided is a cement manufacturing device in which a raw material is evenly dispersed and fed into a conduit and preheated in a uniform manner in order to enhance heat exchanging efficiency, and which is capable of preventing clogging, e...  
WO/2014/027332A1
This invention is relative to a continuous charging and charge preheating system for electric arc furnace 1 and uses a particular conveyor 2 for the steel scrap, consisting in a number of long metallic slats 3, installed side by side, wh...  
WO/2014/012655A3
The invention relates to a scrap pre-heating and feeding system of a furnace for steel production, having at least one obvious closure and one chute-shaped container comprising a discharge opening and at least one suction opening, as wel...  
WO/2014/012623A1
A plant (IM) and relative process for continuously feeding heated metallic material (5) to a melting furnace (1), according to which on at least one feeding line (L) defined by a conveyor (2) for continuously advancing said material (5) ...  
WO/2013/163973A1
The invention relates to a low-shaft arc furnace with a shaft tube, in which at least one electrode is arranged so that it can move axially, a scrap feed in which at least one electrode is arranged so that it can move axially, a scrap fe...  
WO/2013/150353A1
Vibration device for a conveying apparatus (21) to convey a metal charge in a longitudinal direction (X) comprising at least two vibration mechanisms (25, 26) each disposed on opposite sides of the conveying apparatus (21) so as to feed ...  
WO/2013/137305A1
Provided is a cement production device that increases heat exchange efficiency by causing the pre-heating of starting materials supplied to cyclones above a guide tube to be uniform, and can cause an operation having low pressure loss an...  
WO/2013/137304A1
Provided is a device that is for producing cement, uniformly supplies starting materials to cyclones above a guide tube, increases heat exchange efficiency by means of uniform pre-heating, and can cause an operation having low pressure l...  
WO/2013/132306A1
An apparatus (10) to feed and pre-heat a metal charge (11) to a melting furnace (12) of a steelworks comprises a feeding and pre-heating tower (14) separate from the melting furnace (12) provided with at least one compartment (13) to tem...  
WO/2013/110993A1
Method for managing the metal charge (1 1) in a melting furnace (14) comprising at least a step of depositing metal materials to be melted in a storage zone (13), a step of picking up and loading the metal materials from the storage zone...  
WO/2013/082658A1
A method of starting a molten-bath based melting process includes commencing supplying cold oxygen-containing gas and cold carbonaceous material into a main chamber of a smelting vessel within at most 3 hours after completing a hot metal...  
WO/2013/082659A1
A method of starting a smelting process in a smelting vessel includes heating frozen slag and forming molten slag and draining molten slag from a forehearth connection via a forehearth and establishing a clear flow path through the foreh...  
WO/2013/065076A1
A device for loading crucible furnaces comprises a container having an over¬ turned frustoconical side wall that abuts against the edge of a conical base sup¬ port with upwardly-directed vertex. The device is equipped with a vertical s...  
WO/2013/044410A1
A smelting tank comprises a tank body (1), a heating device (3) capable of being hermetically fitted to the tank body (1), and a tank cap (4). The tank body (1) comprises a tank body wall (10), a cavity body (11) for accommodating a bulk...  
WO/2013/023581A1
A preheater cyclone inner tube having a ultrastrong-type heat-resistant steel-belt comprises an inner tube body (1) connected to a cyclone fixing seat (8). The inner tube body (1) is formed by a plurality of ceramic hanging pieces (2) an...  
WO/2013/020703A1
A charging device (100) for feeding an arc furnace (200) with feed material has a shaft (110) having side walls (112) and a base plate (170), and an outlet opening (140) in a front wall (111) facing the arc furnace (200). Furthermore, th...  
WO/2013/007531A1
The invention relates to a device having a bottom, side walls and a ceiling, which together define a channel, as well as transportation means, extending in an axial direction of said channel from an entry port of the channel to an exit p...  
WO/2013/007533A1
The invention relates to a device having a bottom, side walls and a ceiling, which together define a channel, as well as transportation means, extending in an axial direction of said channel from an entry port of the channel to an exit p...  
WO/2012/155647A1
A cyclone pre-heater comprises vertically connected N-level cyclone cylinders (1,3,5,7,9),ascending pipes (2,4,6,8),a first exhausted heat pipe (12), and a first material lifter (11),and also comprises a second material lifter (20) and a...  
WO/2012/139708A1
The invention relates to a method for operating an electric arc furnace (1), wherein molten material (3), in particular steel, located in a hearth vessel (2) is heated by at least one arc (4), wherein a cover (5) is arranged on the heart...  
WO/2012/130220A1
The invention relates to a method for operating an electric arc furnace system which comprises an electric arc furnace and an exhaust system which is connected to said electric arc furnace and draws gas from the electric arc furnace by s...  
WO/2012/126387A8
Disclosed is a process for calcining a cement clinker with pre-heating and pre-decomposition at a high solid-to-gas ratio. During the firing of the cement clinker, the cement raw materials first exchange heat with heated flue gas in a pr...  
WO/2012/126387A1
Disclosed is a process for calcining a cement clinker with pre-heating and pre-decomposition at a high solid-to-gas ratio. During the firing of the cement clinker, the cement raw materials first exchange heat with heated flue gas in a pr...  
WO/2012/080823A1
Feeding system for a conventional tiltable electric arc furnace, comprising a furnace gantry extension on the side of the shell formed with the off gas opening. Such extension provides the base for an angled shaft connected in a sealed f...  
WO/2012/076921A1
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a conveyor channel (21), having walls (38, 39) to convey the metal charge (13), and at least a ...  
WO/2012/076920A1
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a channel (21) for conveying the metal charge (13), at least a hood (17) disposed above the con...  
WO/2012/076917A1
Apparatus for pre-heating and conveying a metal charge (13) to a container (12) of a melting plant (11), comprising at least a conveyor channel (21) along which said metal charge (13) is able to advance so as to be delivered to the conta...  
WO/2012/038320A1
The invention relates to a preheating apparatus (1) for steel scrap which is to be charged into a metallurgical melting vessel (8), having a vertical shaft (3), which is surrounded by a housing wall (2) and is used to receive the steel s...  
WO/2012/023029A1
The present invention refers to a method and to a control and tracking system of the charge of material transported by a continuous supply conveyor (2) of a metallurgical furnace (3), in particular an electric furnace for the production ...  
WO/2012/019913A1
The invention relates to a method for operating a charging material preheater for a smelting oven, to a charging material preheater, and to a smelting furnace system having such a charging material preheater. The charging material prehea...  
WO/2012/007105A1
A process for heating a metal feedstock (31) fed in continuous to a smelting furnace (30) through a second horizontal heating section (34) through which hot discharge fumes collected from said furnace (30) pass, said fumes exerting a hea...  
WO/2012/007852A1
A drive unit (111) for drying ovens used in the manufacturing of bricks comprising: a support structure (113), a first pair (125a, 125b) of substantially coaxial upper sprocket wheels, a second pair (127a, 127b) of substantially coaxial ...  
WO/2011/147006A1
The present utility model patent covers a series of arrangements for components of the liquid steel production unit known as EOF (energy optimizing furnace), these arrangements consisting of the following innovations: adoption of electro...  

Matches 1 - 50 out of 2,780