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JP6646160B2 |
An abrasion-resistant material for the working face of a metallurgical furnace cooling element such as a stave cooler or a tuyere cooler having a body comprised of a first metal. The abrasion-resistant material comprises a macro-composit...
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JP6643116B2 |
To provide a furnace bottom structure having a through-hole for discharging a molten material from a furnace bottom portion of a low carbon type shaft furnace, the furnace bottom structure having high durability and effective for operati...
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JP2020015956A |
To provide a technology for stable operation of iron scrapping by reducing the drift of air blow and uniformly melting the scrap.A metal melting apparatus 1 for melting metal scrap includes a furnace body 10, a plurality of first tuyeres...
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JP6634079B2 |
A device for cooling the supporting trunnions of a distribution spout of a charging installation of a shaft furnace, wherein the spout is mounted pivotably about a horizontal axis on a shell coaxial with the furnace and the spout is atta...
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JP6621603B2 |
Provided are a heat treatment apparatus for carbonaceous grains and a method therefor allowing drifts and internal clogging in a direct energizing furnace to not occur, allowing heat treatment of the carbonaceous grains to be continued u...
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JP6617619B2 |
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JP6558519B1 |
In forming a mixed layer of coke breeze and ore in a blast furnace equipped with a bellless charging device, the reduction reaction of ore is promoted while preventing the core coke from being granulated. It is a raw material charging me...
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JP6557787B2 |
A material storage arrangement for a metallurgical furnace comprises a set of storage bins (12) for granular material; a material feeding device (14) associated with said set of storage bins (12), the material feeding device (14) being a...
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JP6545698B2 |
The invention also relates to a method for producing an expanded granulate from sand-grain-shaped mineral material.
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JP6544271B2 |
To suppress interference of operation effects between a plurality of tuyeres in a vertical pyrolysis furnace.A current temperature distribution is calculated by using a physical model considering a destructive distillation inside of a ve...
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JP2019077580A |
To provide a parallel flow heat storage type lime firing furnace that makes it possible to equalize product qualities of produced burnt limes by equalize plane surface temperature distributions in shafts.A parallel flow heat storage type...
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JP6517840B2 |
The invention relates to a charging installation (1) of a metallurgical reactor, with a cooling assembly (4) disposed for cooling a reactor side of the charging installation (1). In order to facilitate the installation and maintenance of...
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JP6493744B2 |
To provide a waste gasification melting device and method capable of preventing temperature drop at a main tuyere and adhesion of unmelted material thereby to stabilize coke combustion.In a waste gasification melting device, at the upper...
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JP2019506529A |
A method of constructing a shaft furnace, an assembly and a fixed structure for the assembly are provided. The method is to provide a furnace segment with a ring wall extending along the central axis in the first position, to transport t...
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JP6464312B2 |
The invention relates to a bellow compensator for a charging installation of a metallurgical furnace. The bellow compensator comprises an inlet end pipe 40 and an opposite outlet end pipe 42 and a bellow section 44 arranged between the i...
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JP6453523B2 |
A sealing valve arrangement for a shaft furnace charging installation, said arrangement comprising: a shutter arranged for cooperating with a valve seat; an integrated dual-motion shutter-actuating device for moving said shutter between ...
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JP6416289B2 |
In order to prevent the pressure fluctuations coming from the conveying line (7) in the area of the shaft (3), a dosing element (6) is attached between the shaft and the conveying (7) line, in which the quantity of granulate which goes o...
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JP6390111B2 |
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JP2018115369A |
To provide a repairing method which can be carried out for a stave cooler being mounted on a furnace and does not lower the cooling efficiency after repair.Provided is a method for repairing a stave cooler 20 to be mounted on an inner si...
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JP6358059B2 |
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JP3215999U |
To provide a burner for a flash smelting furnace which supplies a uniformly distributed air flow and has an optimum combustion efficiency and a long operating period. A burner for a flash smelting furnace, comprising a tubular lance 10 t...
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JP6311482B2 |
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JP6311420B2 |
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JP6313759B2 |
A rotary charging device for a shaft furnace comprising: a stationary housing (16) and a suspension rotor (22) that is supported so that it can rotate about a substantially vertical axis (A), a charge distributor (28) being pivotally sus...
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JP6291205B2 |
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JP2018021693A |
To perform a precise estimation of a temperature distribution within a furnace 1 in reference to information on the limited number of temperature sensors.A temperature distribution within a countercurrent heat exchanging type reactor 1 i...
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JP6269265B2 |
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JP6206368B2 |
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JP2017156044A |
To provide a heating furnace capable of arbitrary setting temperature distribution in the furnace.On a lateral wall 1 of a furnace wall forming a heating space S, provided are a burner X configured to perform heating with combustion, and...
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JP6177205B2 |
To properly discharge gas, generated in a shaft during heating treatment of a powder, from the shaft when the powder is supplied into a shaft, vertically inserted through a heating zone, from a raw material supply pipe through an upper s...
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JP6165742B2 |
The invention relates to a method for producing an expanded granulate from sand grain-shaped mineral material (1) with a propellant, wherein the material (1) is fed into a vertically upright furnace (2) from above and said material (1) f...
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JP2017072275A |
To provide a thermal decomposition furnace having a simple and economical structure to prevent occurrence of clinker, bridge and a flat hole so as to generate high quality fuel gas efficiently.A thermal decomposition furnace 100 comprise...
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JP2017057445A |
To provide a reduced iron manufacturing apparatus capable of lowering an entire height of the apparatus while having a configuration that enables selective obtainment between hot DRI and cold DRI, and also capable of improving production...
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JP2017504777A |
The present invention relates to a method of repairing a tap. A. Steps to create a tap channel at the bottom of an arc furnace, blast furnace, or smelter through a tap block, and B. Restoring the tap channel and repairing the tap. In the...
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JP2016211769A |
To provide a cooling mechanism for vertical type heat treatment furnace and cooling method in which batch type heat treatment can be efficiently carried out.A cooling mechanism for a batch type vertical heat treatment furnace 10 having a...
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JP6044564B2 |
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JP6036744B2 |
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JP2016194131A |
To provide a stave cooler capable of exhibiting stable cooling performance by preventing thermal deformation with a simple configuration.In a stave cooler 10 which is mounted to a furnace wall inner surface of a vertical furnace and is e...
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JP6023716B2 |
The invention relates to a method for controlling the thermal balance of a suspension smelting and to a suspension smelting furnace. The suspension smelting furnace, comprising a reaction shaft (1), a lower furnace (2), and an uptake (3)...
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JP2016180043A |
To suppress a heat generation amount from a furnace wall in a vertical pyrolysis furnace for manufacturing ferrocoke, suppress deformation of a furnace body iron cover due to thermal strain and enhance the life of a refractory applied to...
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JP2016160524A |
To provide a granule material feeding device capable of improving the maximum weight accuracy of a raw material while simplifying an arithmetic processing, and a charging apparatus at a bell-less furnace top.A granule material feeding de...
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JP5976931B2 |
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JP5978981B2 |
To provide a siphon unit enabling continuous operation for a long period, improving operation rate of a furnace and increasing productivity.This siphon unit 7 for holding hot metal and slag is installed at a taphole 6 of a vertical furna...
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JP5959027B2 |
A microwave plasma biomass gasifying fixed bed gasifier comprising a vertically arranged gasifier body (2). The upper part of the gasifier body (2) is a gasifier clearance area (8). The lowest part of the gasifier body (2) is a fixed bed...
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JP5904344B2 |
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JP2016509633A |
A stave is an inner conduit having an outer housing and individual pipes housed in the outer housing, each pipe having an inlet end and an outlet end, respectively. Includes an inner pipeline that is mechanically connected or not connect...
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JP5873386B2 |
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JP5867427B2 |
To provide a method in which a molten iron is produced by charging, as a raw and fuel material, an iron source consisting mainly of ferrous scrap, a coke and a slag-making agent from the furnace top part of a vertical melting furnace, an...
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JP5867428B2 |
To provide a method in which a molten iron is produced by charging, as a raw and fuel material, an iron source consisting mainly of ferrous scrap, a coke and a slag-making agent from the furnace top part of a vertical melting furnace, an...
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JP5863653B2 |
A shaft furnace charging device and cooling system includes a suspension rotor with a charge distributor and stationary housing. The cooling system includes an annular swivel joint arranged coaxially on an axis, connecting stationary and...
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