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EP1425427B1 - Iron ore briquetting - Google Patents

EP1425427B1 - Iron ore briquetting - Google Patents Iron ore briquetting Download PDF Info Publication number EP1425427B1 ... ore briquette flux briquettes less Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the ...

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EP1423545A1 - Iron ore briquetting - Google Patents

A method of producing an iron one briquette that is suitable for use as a blast furnace or other direct reduction furnace feedstock which includes the steps of: (1) mixing: (i) ore having a predetermined particle size distribution with a top size of 4.0 mm or less; and (ii) a flux; to form an ore/flux; (2) adjusting the water content of the ore prior to or during mixing step (1) to optimise ...

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High-pressure briquetting of iron ore fines & sponge iron …

applied for iron ore briquetting all over the world. The briquetting press can be used for iron ore, bauxite, dolomite, limestone, manganese, chromium, sponge iron etc. The roller skin of the briquetting press is made up of special bearing steel with 6,000 hours of ultra wear-resistant material. Completely sealed gearbox is

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Finite element analysis of briquetting of iron ore fines ...

Briquetting is a continuous compaction process to transform loose powders into solid briquettes. The density and strength of formed briquettes vary significantly in the process, affecting the quality of products. ... The parameters in the DPC model were determined by conducting experimental die compaction on iron ore fines. The stress ...

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Iron ore fines briquetting machine / Iron ore fines ...

Iron ore fines briquetting machine is also known as dry powder briquetting press machine, which can be used to suppress dry powder material like iron powder,...

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High-pressure briquetting of iron ore fines – GoodRich ...

The high-pressure briquetting press lines are available from 30 tons per day to 300 tons per day. The linear pressure between the rollers is from 8,000 – 11,000 kgs/cm and the total briquetting pressure is from 150 to 500 tons. Iron ore fines of 0-2 mm size can be …

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Cold briquetting of iron ore fines for DRI production ...

RECYRON is a highly flexible process to utilize fine ore as well as all possible iron ore and carbon containing wastes to produce DRI. A comparative description of these three processes demonstrates the advantages of cold briquetting of iron ore fines to be used as a suitable raw material for ironmaking.

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Iron ore briquetting - GANNON JOHN

A method of producing an iron ore briquette that is suitable for use as a blastfurnace or other direct reduction furnace feedstock which includes the steps of: (1) mixing ore and a flux to form an ore/flux mixture (2) pressing the ore/flux mixture into a green briquette using a low roll pressure; and (3) indurating the green briquette to form a fired briquette.

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Finite element analysis of briquetting of iron ore fines ...

The briquetting behaviour of iron ore fines was investigated using the Finite Element Method (FEM). The Drucker-Prager Cap (DPC) model was utilized and the parameters were determined by conducting physical experiments of die compaction, uniaxial compression and diametrical compression. The evolutions of briquette structure and stress were analysed.

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Briquetting of Iron Bearing Materials

The agglomeration process in which lumps are made by compacting the iron bearing fines and dust with addition of binder and also de-airing these mixtures inside the vacuum chamber of the briquetting machine. So, briquetting process is developed to meet these demands. This process aims at recycle and reuse of the low grade iron ore and plant fines.

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WO2003012153A1 - Iron ore briquetting - Google Patents

A method of producing an iron one briquette that is suitable for use as a blast furnace or other direct reduction furnace feedstock which includes the steps of: (1) mixing: (i) ore having a predetermined particle size distribution with a top size of 4.0 mm or less; and (ii) a flux; to form an ore/flux; (2) adjusting the water content of the ore prior to or during mixing step (1) to optimise ...

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Hot Briquetted Iron, Steel's Most Versatile Metallic: Part ...

Hot briquetting reduces available inner surface and porosity. At an apparent density of 5,000 kg/m3 or higher, the IMO in effect deems the reactivity to be sufficiently reduced for safe shipment of HBI as per the IMSBC Code schedule for DRI (A). ... NOTE 2: In industrial practice, the bulk density of iron ore or direct reduced iron is expressed ...

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CN1564874A - Iron ore briquetting - Google Patents

The invention relates to a method of producing an iron ore briquette, which is suitable for being used as the raw material of a blast furnace or other direct reduction furnace. The method comprises the steps: (1) mixing hydrated iron ore and a flux to form ore/flux mixture, (2) pressing the ore/flux mixture into green agglomerated product by employing low rolling pressure, (3) indurating the ...

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