| Document |
Document Title |
|
WO/2021/153346A1 |
Provided is a method for manufacturing a slag material, the method making it possible to adjust the characteristics of the slag material using a simpler method. A method for manufacturing a slag material, the method including: granulatin...
|
|
WO/2021/152386A1 |
The invention relates to a method for separating phosphorus and/or phosphorus compounds from phosphorus carriers and/or phosphate carriers containing iron (oxide), the method comprising at least the following steps: a) fusion metallurgic...
|
|
WO/2021/152989A1 |
A method for charging raw material into a blast furnace is provided which, while ensuring air ventilation inside of the furnace, enables forming an ore layer comprising an admixed coke mixture in which high reduction reactivity is mainta...
|
|
WO/2021/149401A1 |
The present invention has: a step in which a combustion-assisting gas is used and at least some blast furnace gas is combusted in a combustion facility; a step in which flue gas discharged from the combustion facility is used and regener...
|
|
WO/2021/144695A1 |
A process for treating a material, such as by calcination or reduction processes, is disclosed. The process comprises reacting hydrogen and oxygen in a reaction chamber and producing heat and steam, discharging steam from the reaction ch...
|
|
WO/2021/144284A1 |
The invention relates to a liquid feed for a basic oxygen furnace, a method to obtain the liquid feed and a steel plant producing such a liquid feed, wherein the liquid feed comprises a first liquid iron stream of carburised molten scrap...
|
|
WO/2021/139399A1 |
A radar data processing based blast furnace stock line obtaining method and apparatus. The method comprises: for radar reflection data, obtaining coordinate points of all radar reflection data in a target region in a preset coordinate sy...
|
|
WO/2021/140841A1 |
This blast furnace operation method has: a step for generating regenerated methane gas, by using by-product gas discharged from a blast furnace, and coke oven gas; and a step for blowing blow gas and a reducing material from a tuyere of ...
|
|
WO/2021/136010A1 |
A furnace top diffused gas dust removal device during blowing-down and reblowing of a blast furnace. The dust removal device comprises a gas diffusion pipe (1) and a dust remover (3). One end of the gas diffusion pipe (1) is communicated...
|
|
WO/2021/133015A1 |
The present invention relates to a hot-blast stove exhaust gas recirculation facility comprising: a combustion chamber for combusting air supplied from an air supply tube and fuel gas supplied from a fuel supply tube, thereby generating ...
|
|
WO/2021/131866A1 |
A blast furnace operation method comprising a step of generating a regenerated methane gas using a blast furnace gas and a step of blowing a blowing gas and a reducing material into the inside of a blast furnace through a tuyere of the b...
|
|
WO/2021/129613A1 |
A blast furnace bottom structure, comprising a furnace body (1). The bottom of the furnace body (1) is provided with a furnace bottom lining (7). The side wall of the furnace body (1) is provided with a hearth lining (4). The lower part ...
|
|
WO/2021/131799A1 |
In this molten steel production method, solid reduced iron contains a total of at least 3.0 mass% of SiO2 and Al2O3 and at least 1.0 mass% carbon, the ratio of metallic iron to all iron contained in the solid reduced iron is at least 90 ...
|
|
WO/2021/121701A1 |
Blast furnace plant (1) and shutdown process for such a blast furnace plant (1). The blast furnace plant comprises a blast furnace (2) and a gas cleaning section (6) for cleaning gas from the blast furnace. Clean gas is released via a cl...
|
|
WO/2021/123133A1 |
The invention relates to a cooling plate (1) for a metallurgical furnace, comprising a cooling plate body (10) having with a front face (11) for facing the inside of the metallurgical furnace, an opposite rear face (12) and at least one ...
|
|
WO/2021/122807A1 |
The invention relates to the field of metallurgical equipment, specifically metallurgical vessels for liquid metal and liquid slag. The problem addressed by the invention is to ensure safe decanting of liquid metal (14) from a metallurgi...
|
|
WO/2021/115029A1 |
An iron-containing metallurgical slag granule graded waste heat recovery and direct reduction system and method, said system comprising a waste heat recovery system, a material mixing system, and a direct reduction system, said systems b...
|
|
WO/2021/110528A1 |
The invention relates to a method for converting a blast furnace plant (1), which initially comprises at least one blast furnace (10, 50), a plurality of original stoves (31-36) adapted for generating hot blast, a top-gas supply system (...
|
|
WO/2021/109324A1 |
Disclosed is a modularized natural convection boiler system for recovering waste heat of liquid slag. A granulating bin, a mobile bed and a hot air duct of each operation module are each provided with a water-cooling heating surface; and...
|
|
WO/2021/109326A1 |
Disclosed in the present invention is an integrated liquid slag buffering and flow measurement and control apparatus, comprising a slag ladle, combustion devices, a flue gas pipeline, a flow measurement and control module, and a flow con...
|
|
WO/2021/109325A1 |
Disclosed is a liquid molten slag dry granulation and waste heat recovery device having a slag wool crushing function, and an operation method therefor, comprising: a granulation bin, a granulation system, a slag wool crushing device, an...
|
|
WO/2021/109328A1 |
Disclosed in the present invention is a liquid slag waste heat recovery system, characterized by a slag temporary storage device, a flow control device, a centrifugal granulation device and a moving bed device. One end of the slag tempor...
|
|
WO/2021/109327A1 |
A uniform flow field air outlet structure for a liquid molten slag dry-type centrifugal granulation system, comprising a granulation bin (1), an upper portion of the granulation bin being provided with an annular flue gas header (2); a c...
|
|
WO/2021/105400A1 |
Apparatus for the production of molten iron comprising a metallurgical vessel, having a surrounding wall, a cyclone part provided on top of a smelt reduction part, the cyclone part being in open connection with the smelt reduction part a...
|
|
WO/2021/105940A1 |
The invention relates mainly to a system for estimating both thickness and wear state of refractory material (1) of a metallurgical furnace (12), comprising at least processing means comprising a database of simulated frequency domain da...
|
|
WO/2021/107091A1 |
According to one aspect of the present invention, provided is a blast furnace operation method characterized in that a high-concentration hydrogen-containing gas which contains at least 80 mol% of hydrogen gas, is blown from a tuyere und...
|
|
WO/2021/105968A1 |
Production of carbon and stainless steel requires two basic steps: ironmaking and steel making. Ironmaking process transforms ferrous materials into metallic iron by oxyreduction. Ironmaking in traditional blast furnaces requires the use...
|
|
WO/2021/105758A1 |
The invention relates mainly to a system for estimating both thickness and state of refractory material (1) of a metallurgical furnace, comprising at least processing means comprising a database of simulated frequency domain data named s...
|
|
WO/2021/106578A1 |
A blast furnace operation method comprises: a step of generating regenerated methane gas from a by-product gas discharged from a blast furnace, and a step of blowing a blow gas and a reducing material into the blast furnace from the tuye...
|
|
WO/2021/106579A1 |
A method for operating a blast furnace, comprising a step of generating a hydrogen gas by the electrolysis of water, a step of generating a recycled methane gas from a by-product gas discharged from the blast furnace and a hydrogen gas, ...
|
|
WO/2021/102596A1 |
This present patent application relates to a thermal launder that can be used to transfer white metal (WM) or another molten material to a converter or furnace or from a converter or furnace to a transfer pot, maintaining said material i...
|
|
WO/2021/099598A1 |
Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge comprising a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-t...
|
|
WO/2021/100565A1 |
With respect to a method for producing a molten steel according to one aspect of the present invention, a solid reduced iron contains a total of 3.0% by mass or more of SiO2 and Al2O3 and 1.0% by mass or more of carbon; the proportion of...
|
|
WO/2021/101193A1 |
The present disclosure relates to: a device for modifying carbon dioxide, wherein the device is filled on the inside with a mixture of carbon-containing byproducts and iron-containing byproducts, the mixing ratio of the carbon-containing...
|
|
WO/2021/095594A1 |
This production equipment monitoring method for monitoring the operating states of a plurality of pieces of similar production equipment disposed at a plurality of production locations comprises: a data information preparation step for g...
|
|
WO/2021/094761A1 |
A method of treating particulate by-product of ferrous metal processing, the method comprising exposing said particulate by-product to ultrasound, said particulate by- product being located in a fluid. An apparatus for treating said part...
|
|
WO/2021/094195A1 |
The invention relates to a method for the direct reduction of iron ore to iron sponge, wherein the iron ore passes successively through a reduction zone (13) to reduce the iron ore to iron sponge and a cooling zone (15) to cool the iron ...
|
|
WO/2021/095595A1 |
A production facility operating method according to the present invention is for operating a plurality of similar production facilities that are installed at a plurality of production sites, the method comprising: a data information main...
|
|
WO/2021/094412A1 |
The invention relates to a method for producing a feed melt for a converter treatment, characterized in that a premelt (9, 9') is produced by combining liquid crude iron (5, 5') from a blast furnace and/or from a smelting reduction syste...
|
|
WO/2021/090222A1 |
The invention concerns a process for detecting water leaks in smelting furnaces (2; 4) or in metal or alloy treatment plants, comprising the following steps: (i) providing at least one smelting furnace (2; 4), or at least one metal or al...
|
|
WO/2021/085221A1 |
The purpose of the present invention is to provide a blast furnace operation method by which operation of a blast furnace can be stabilized even when the powder ratio of coke charged in the blast furnace has increased. The blast furnace ...
|
|
WO/2021/082643A1 |
A method for dome temperature control during the combustion of a hot-blast stove, comprising: acquiring the optimal mixed gas flow and combustion-supporting air flow in a combustion process (S100); combusting a dome according to the opti...
|
|
WO/2021/080178A1 |
The present invention provides a granule manufacturing apparatus and method, the apparatus comprising: a precipitation tank in which a metal melt is precipitated; a connecting part which includes a pump, and of which one side communicate...
|
|
WO/2021/072562A1 |
The invention relates to a zero-waste process that uses final slag from copper smelting to produce commercial products, which comprises: (a) charging/pouring materials: adding a reducing agent, slag and oxides to a reactor/oven; (b) redu...
|
|
WO/2021/064055A1 |
The present invention relates to a method for smelting metal- and metal oxide containing wastes and side streams, such as slags, dust, scales and sludges genereated in stainless steel and ferrochrome manufacturing processes. The invented...
|
|
WO/2021/057365A1 |
Disclosed is a comprehensive system for blast furnace slag removal and transport and a slag bath toxic water vapor pollution treatment, the system comprising a slag flushing unit (1), a slag and water separation unit (2), a slag conveyin...
|
|
WO/2021/061038A1 |
Method and system for producing direct reduced metal material, comprising the steps: a) charging metal material to be reduced into a furnace space (120); b)evacuating an existing atmosphere from the furnace space to achieve a gas pressur...
|
|
WO/2021/056905A1 |
A two-section downdraught bed ironmaking system and ironmaking process. The system comprises: a melting furnace section (4), which is arranged vertically and downwards, a basic combustion/gasification device (1) being provided at the top...
|
|
WO/2021/061896A1 |
A direct reduction method/system, including: adding variable amounts of natural gas, hydrogen, and a carbon-free oxidizing gas to a feed gas stream upstream of a reformer; reforming the feed gas stream in the reformer to form a reformed ...
|
|
WO/2021/048297A1 |
Method of introducing a metalliferous feed (4) in an ironmaking process, the method comprising the steps of, pre-drying an iron containing sludge by drying means to an amount of 15 to 30% (w/w) moisture, mixing the pre-dried iron contain...
|
