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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...
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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...
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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...
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WO/2015/114579A2 |
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...
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WO/2015/101714A1 |
The invention relates to a method and an arrangement for measurement of electrode paste in an electrode column of an electric arc furnace. The electrode column (10) comprises a steel casing (11) surrounding the electrode paste and said e...
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WO/2015/102520A1 |
The inventions relate to the field of metallurgy, and specifically to a method for producing steel and to a design for an electric arc furnace for implementing same. The method involves loading a charge into an operating space of a furna...
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WO/2015/097073A1 |
A stave cooler (10) for a metallurgical furnace, in particular for a blast furnace, comprises a panel-like body (12) having a front face (14) for facing the interior of the metallurgical furnace, an opposite rear face (16), an upper face...
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WO/2015/096915A1 |
The present invention relates to an ignition apparatus and an ignition method for electric arc furnaces, at least two electrodes each generating an arc by means of one phase of an alternating current and one associated phase of an altern...
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WO/2015/099529A1 |
The invention is directed to a method for processing asbestos-containing steel scrap into useful products, which products can be handled in a safe manner. In accordance with the present invention the asbestos-containing steel scrap is me...
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WO/2015/089563A1 |
A smelting apparatus that includes (a) a smelting vessel. (4) that is adapted to contain a bath of molten metal and slag and (b) a smelt cyclone (2) for pre-treating a metalliferous feed material positioned above and communicating direct...
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WO/2015/081376A1 |
A smelting vessel (4) for producing molten metal includes a.refractory lined hearth that in use is in contact with molten slag or molten metal in the smelting vessel, and the hearth includes a plurality of heat pipes (2.1) positioned in ...
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WO/2015/079110A1 |
The invention relates to a method for mounting a burner (1), such as a concentrate burner or a matte burner, for feeding of reaction gas and fine solids into a reaction shaft space (17) of a reaction shaft (2) of a suspension smelting fu...
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WO/2015/071823A1 |
A method for melting minerals containing iron, titanium and vanadium in a known initial quantity, in an electric melting furnace (11) provided with a containing body (12) developing around a central axis (X) and tillable by means of rota...
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WO/2015/064695A1 |
[Problem] To provide: a molten metal plating furnace that can increase plating quality and work efficiency; a system for producing and method for producing a metal plated product; and a metal plated steel tube obtained by means of the me...
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WO/2015/056143A1 |
A lance (24) for top submerged lancing (TSL) injection in a pyro-metallurgical operation (10), wherein the lance (24) has at least two substantially concentric pipes (28, 30), with an annular passage (42) for oxygen-containing gas define...
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WO/2015/051966A1 |
The invention relates to an injector device (1) for the pyrometallurgical treatment of metals, metal melts, and/or slags in a metallurgical unit or melting vessel, comprising an injector apparatus (2, 3) for producing a high-velocity gas...
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WO/2015/050208A1 |
[Problem] To melt even a block-like non-ferrous metal material containing an oil and water safely and with high efficiency. [Solution] A voltex chamber (33) is composed of: an outer peripheral wall (331); an almost inverted cone-shaped v...
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WO/2015/046027A1 |
A lance system (20) for blowing reactant gas onto molten metal in a metallurgical furnace includes: a lance (21) configured to blow the reactant gas; a driving mechanism (24) configured to move the lance (21) toward and away from a surfa...
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WO/2015/043910A1 |
The invention relates to a vessel lower part (1) for a metallurgical vessel (2), having a vessel wall (1a), a vessel base (1b), a melting chamber (1c) and at least one tapping apparatus (3) for withdrawing liquid metal (4a, 4b) from the ...
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WO/2015/043900A1 |
The invention relates to a vessel lower part (1) for a metallurgical vessel (2), comprising a vessel base (1b), a melting chamber (1c), a vessel wall (1a) which surrounds the melting chamber (1c) and which consists of a refractory materi...
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WO/2015/028707A1 |
The invention relates to an arrangement for cooling channels in an electrode column assembly of an elec- tric arc furnace, wherein the lower part of theelec- trode column assembly isprovided with a contact shoe ring formed of a plurality...
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WO/2015/028706A1 |
The invention relates to a pressure ring assembly for contact shoes in an electrode system of an electric arc furnace provided with at least one electrode column assembly. The electrode column assembly comprises a contact shoe ring forme...
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WO/2015/014921A1 |
The present invention relates to a process for melting solid batch material, comprising the steps of introducing solid batch material into a melter, and melting the solid batch material in the melter by submerged combustion and subjectin...
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WO/2015/003832A1 |
The invention relates to a method for controlling or regulating an electric arc furnace (2) comprising a furnace casing (10) and at least one electrode (4a, 4b, 4c), which is arranged on an electrode carrying arm (6a, 6b, 6c) and is inte...
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WO/2015/000745A1 |
The invention relates to an electric arc furnace (2) and to a method for operating an electric arc furnace (2) comprising at least one electrode (4a, 4b, 4c) for generating an electric arc (6a, 6b, 6c), in which the desired value of the ...
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WO/2014/206595A1 |
The invention relates to a multilayer cooling panel for an industrial furnace such as an electric arc furnace.
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WO/2014/203569A1 |
A method for producing a float glass, which comprises controlling the flow volume of a molten glass, which flows on a spout lip, by means of a tweel and continuously supplying the molten glass onto a molten metal placed in a bath to allo...
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WO/2014/201106A1 |
A submerged combustion melter and burner therefor. The burner may include a first tube having a sealed distal end and a second tube concentric to the first tube, the second tube having a partially sealed distal end with an opening for re...
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WO/2014/183150A1 |
A method for injecting a solid feed material through a solids injection lance includes creating flow conditions in an injection passageway of the lance so that at least a part of the feed material flowing along the passageway forms a buf...
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WO/2014/185132A1 |
A feeder (3) that causes molten glass (G) to circulate therein is provided, in the interior space (S) of the feeder (3), with electric heating elements (6) that heat the molten glass (G) and are disposed along the flow direction of the m...
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WO/2014/182256A1 |
Recuperative unit for flue gas waste heat recovery from the smelting aggregate consists of two basic consecutive functional parts, namely a heat exchange equipment combustion products (1) - air with a preheated air outlet (2) to the burn...
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WO/2014/179825A1 |
A solids injection lance includes (a) a tube that defines a passageway for solid feed material to be injected through the tube and has an inlet for solid material at a rear end and an outlet for discharging solid material at a forward en...
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WO/2014/174463A2 |
Method for melting metal material (S) in a melting plant comprising at least an electric furnace (1 1) having at least a shell (13) into which said metal material is introduced, and feed means (12) to load said metal material (S) into sa...
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WO/2014/167532A1 |
A temperature measuring apparatus for a top submerged lancing installation, for use in measuring the temperature of a molten bath that includes a slag phase, during a pyro-metallurgical operation conducted in a reactor of the installatio...
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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...
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WO/2014/129921A1 |
The invention relates to a method and device for cooling the housing of a melting unit melting chamber. In the method, a liquid metal heat carrier is used to cool the upper portion of an airtight cavity, formed by a double-walled metal s...
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WO/2014/127597A1 |
An arc furnace automatic feeding device comprises an automatic distributing device, wherein the automatic distributing device comprises a distributing groove, and at least one step-like distributing section which tilts from high to low a...
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WO/2014/128311A1 |
An end-port regenerative furnace (10) includes a housing; a combustion chamber (14) within the housing; first and second regenerators (24, 26) each disposed to be in communication with the combustion chamber; and first and second lance a...
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WO/2014/123647A1 |
A casting system and method. The casting system can include an energy source and a hearth, which can have a tapered cavity. The tapered cavity can have a first end portion and a second end portion, and the tapered cavity can narrow betwe...
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WO/2014/118147A1 |
A contact plate intended to be brought into contact with the wall of an electrode of an electro-metallurgical furnace, comprising an internal channel having an inlet and at least one outlet which can be linked respectively to an external...
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WO/2014/047220A9 |
A system and method for melting a raw material. The raw material is fed into an electrically conductive vessel. A plasma arc torch melts at least some of the raw material within the vessel to thereby create a molten material. An inductor...
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WO/2014/094009A1 |
The invention relates to a thermal shielding system for thermally shielding a charge space of a high-temperature furnace, comprising at least one shielding element (2). The shielding element (2) comprises a border (4) constituted of refr...
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WO/2014/096751A1 |
Crushed iron ore and ore fines without distinction are incorporated by chemical reaction into a closed- loop melt circulation reactor to form a thin liquid floating oxidic layer comprised initially principally of molten wustite. Hydrogen...
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WO/2014/098302A1 |
The present invention relates to a fixed-type electric furnace enabling continuous operation which allows melting without the interruption of power supply and tapping in a fixed state, and provides a fixed-type electric furnace and a mol...
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WO/2014/096540A1 |
A method and sealing arrangement (22) for sealing of gaps (1) in a contact shoe ring (2). The sealing arrangement (22) comprises a refractory fabric (12) which is folded to a substantially U-form shape having a first branch portion (13) ...
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WO/2014/071846A1 |
A vacuum-induced smelting and rapid hardening apparatus for a rare earth permanent magnetic alloy, comprising a pair of chamber doors (1, 4) which work alternately and are provided with an induction furnace body (2), a chamber shell body...
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WO/2014/064193A1 |
The invention relates to a method for supplying energy to a scrap metal pile (9) in an electric arc furnace (2). Energy is supplied by means of jets of hot gas in a first phase, and energy is supplied by means of electric arcs in a secon...
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WO/2014/053189A1 |
Lost-wax metal casting process and calcination furnace therefor, whereby black smoke is reduced or prevented during calcination of dewaxed ceramic casting shells (20) in the calcination furnace, which is heated by the combustion of fuel ...
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WO/2014/050212A1 |
[Problem] To provide a vortex chamber body for a metal melting furnace that is compact, requires little installation space, is inexpensive, and is easily maintained. [Solution] The present invention is equipped with: a furnace main body ...
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WO/2014/048595A1 |
The invention relates to the finding that the flicker values to be expected may be determined achieving a high probability from suitable state and operating variables which are acquired during the first minutes in the initial smelting ph...
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