Sintering Iron Coke

US2750255A - Process for rendering titanium minerals and ...

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Sintering and Coking | Iron and Steel | Howden

Providing and recovering gas in the coke oven plant and sinter machine In the coke oven plant our oven fans provide the combustion air to burn the coke (mostly carbon). Howden centrifugal compressors in the coke-oven by-product plant exhausters remove the by products such as sulfar, phenol and ammonia.

Pellet, iron ore concentrste, sintered iron ore: buy from ...

Iron ore sinter – A bulk material for blast-furnace smelting, which is made by sintering ore, limestone, fine coke, screened sinter and blast-furnace dust on special belt sintering machines. Sinter quality is determined by the Fe content of iron ore, strength, destruction during heating and reduction in …

Recycling of Blast Furnace Dust in the Iron Ore Sintering ...

In iron ore sinter plants blast furnace dust and other fine-grained residues which are rich in iron or carbon content are recycled. The carbon contained in the blast furnace dust can be used to replace coke breeze which is added to the charge as fuel for the sintering process.

(PDF) Iron Ore Sintering: Process - ResearchGate

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents and solid fuel (coke).

Iron Ore Sintering: Process: Mineral Processing and ...

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace.

Properties change of activated coke for sintering flue gas ...

The properties of activated coke (AC) for sintering flue gas purification greatly affect the efficiency of desulfurization and denitration, but they gradually change during cycles. The change in properties of coal-based AC during cycles was studied to clarify the change law and AC optimization index. The AC oxygen content rapidly increases from 13.49 to 17.87 wt.% in the early cycles to form ...

Sinter plant - Wikipedia

sintering plant has become a tremendous success for providing a phenomenal increase in productivity and saving in coke rate to the blast furnace. The technology of sinter making has undergone radical changes both in operation and process throughout the world. High competitiveness amongst the iron and steel industries has forced the operators to

(PDF) Iron ore sintering. Part 1. Theory and practice of ...

Sintering is a process by which a mixture of iron ores, fl uxes and coke is agglomerated in a sinter plant to manufacture a sinter product of a suitable composition, quality and granulometry to be ...

Effects of anthracite replacing coke breeze on iron ore ...

Anthracite coal as fuel for iron ore sintering is compared with coke breeze. Anthracite is lower in porosity, higher in density, and slower in combustion rate. With higher proportion of anthracite in fuel, permeability of sinter bed tends to decrease resulting in lower sinter productivity.

Of Coke Breeze Sintering Iron Ore - podvodni-kamery.cz

Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix (raw mix or green mix) of iron ore fines, fluxes, fuel (coke breeze) and plant return fines (e.g. mill scale, blast furnace dust, and returned sinter fines etc.) are converted into a particular form of

Ore Sintering - an overview | ScienceDirect Topics

Apr 02, 2010· The sintering process begins with the preparation of a sinter mixture consisting of iron ore fines, fluxes, solid fuel (called bonding agents in Japan) such as coke breeze, and return fines from the sinter plant and blast furnace as well as recycled ferruginous materials from downstream iron and steelmaking processes.

The Sintering Process of Iron Ore Fines – IspatGuru

Sintering is a thermal process (carried out at 1300 deg C to 1400 deg C) by which a mixture of iron ore, return fines, recycled products of the steel plant industry (such as mill scale, blast furnace dusts, etc.), slag forming elements, fluxes and coke fines are agglomerated in a sinter plant with the purpose of manufacturing a sintered product ...

12.5 Iron And Steel Production

Iron is produced in blast furnaces by the reduction of iron bearing materials with a hot gas. The large, refractory lined furnace is charged through its top with iron as ore, pellets, and/or sinter; flux as limestone, dolomite, and sinter; and coke for fuel. Iron oxides, coke and fluxes react with the

US2412104A - Method of sintering iron ore sludge - Google ...

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Recent progress in sustainable and energy-efficient ...

Oct 01, 2020· Luo et al. [56,57] added semi-coke to raw iron ore blends as fuel to partially replace coke breeze in the sintering process. The properties of coke breeze and semi-coke were compared by proximate analysis, chemical composition analysis, thermogravimetric (TG) …

Sintering: A Step Between Mining Iron Ore and Steelmaking

According to the U.S. Environmental Protection Agency, the sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated product, sinter, of suitable size for charging into the blast furnace.

Sintering | metallurgy | Britannica

Sintering, the welding together of small particles of metal by applying heat below the melting point.The process may be used in steel manufacturing—to form complex shapes, to produce alloys, or to work in metals with very high melting points. In a steel-sintering plant a bed of powdered iron ore, mixed with coke or anthracite, is ignited by a gas burner and then moved along a traveling grate.

Iron Ore Agglomeration Technologies | IntechOpen

May 18, 2017· Sintering is a thermal process (1300–1400°C) by which a mixture of iron ore, return fines, recycled products of the iron and steel industry (mill scale, blast furnace dusts, etc.), slag-forming elements, fluxes and coke are agglomerated in a sinter plant with the purpose of manufacturing a sintered product of a suitable chemical composition ...

Numerical Simulation on Influence of Coke Oven Gas ...

Coke oven gas (COG) injection is believed to improve the quality and yield of sinter in iron ore sintering process. A mathematical model is developed to simulate the sintering process with COG injection, particularly focusing on predicting the quality and yield of sinter.

SINTERING AND PELLETISATION OF INDIAN IRON ORES

The major advantages of using sinter in BFs are Use of iron ore fines, coke breeze, metallurgical wastes, lime, dolomite for hot metal production Better reducibility and other high temperature properties Increased BF productivity due to higher softening temperature and …

Sinter Quality and Process of Sintering Iron Ores – IspatGuru

Nov 21, 2014· Sintering process is a generic term that is used to describe the process of agglomeration of a green mix of iron ores, fluxes and coke and plant solid wastes having a particle size of -10 mm so as to produce sinter which can withstand operating pressure and temperature conditions existing in a BF.

Glossary - U.S. Energy Information Administration (EIA)

Coke Battery: A series of coke ovens stacked in rows into which coal is loaded and processed into coke. Coke breeze: The term refers to the fine sizes of coke, usually less than one-half inch, that are recovered from coke plants. It is commonly used for sintering iron ore.

GOVERNMENT POLYTECHNIC DHANBAD

The principle of sintering involves the heating of iron ore fines along with flux and coke fines or coal to produce a semi-molten mass that solidifies into porous pieces of sinter with the size and strength characteristics necessary for feeding into the blast furnace. It is basically an agglomeration process achieved through combustion. The ...

THE STEELMAKE'S KITCHEN

In addition to iron, sinter also contains coke and flux. Sinter is a raw material used to make pig iron in blast furnaces. RETURNS — the fine sinter and un-caked furnace charge that is re-used in the sintering process. On the threshold of the steelmaker's kitchen we find the sinter plant.

What Is Iron Ore Sintering? (with pictures)

May 11, 2020· Coke may be used for iron ore sintering. Different processing methods, such as sintering and pelleting, require different grades of iron ore. Specifically, iron ore sintering requires the use of fine ore, produced by crushing high-grade iron ore into particles only a few millimeters in diameter.

Sinter plants and coke ovens from the plant of PAO Severstal

Sinter produced by a sinter plant is used, along with pellets, as the basic iron ore raw material. Sinter is transported from the sinter plant via a conveyor system to the blast furnace automated stock house. Lump ore is added in minor amounts, while metallurgical coke, produced by coke batteries, is used as fuel for the blast furnace process.

Coke Ovens-Sinter-BF-BOF Route | SAIL

Reduction in coke rate in blast furnaces; SINTERING PROCESS A Sinter Plant typically comprise the following sub-units as shown below. SINTERING PROCESS. The raw materials used are as follows - Iron ore fines (-10 mm), coke breeze (-3 mm), Lime stone & dolomite fines (-3mm) and other metallurgical wastes.

Sintering and Coking | Iron and Steel | Howden

Industries | Iron and steel | Sintering and coking . Providing and recovering gas in the coke oven plant and sinter machine. In the coke oven plant our oven fans provide the combustion air to burn the coke (mostly carbon). Howden centrifugal compressors in the coke-oven by-product plant exhausters remove the by products such as sulfar, phenol ...

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