ABSTRACT Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain a product with suitable composition, quality and granulometry to be used as burden material in the blast furnace. This process is widely studied and researched in the iron …
DetailsSintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade …
DetailsRequest PDF | Enhancement of Iron Ore Sinter Reducibility through Coke Oven Gas Injection into the Modern Blast Furnace | Energy network within the integrated steel works should be used more ...
DetailsBased on the particle size, iron ores are classified as iron ore fines (<10 mm) or iron ore lump (6.3–31.5 mm); iron ore fines are first processed in a sinter plant, while lump ores can be charged into the blast furnace (BF) directly. Iron ore lump is the lowest cost iron bearing material for the BF burden.
DetailsTechnology has been developed for the production of fluxed local sinter and pellets with residual carbon for blast-furnace use. The new products have better metallurgical …
DetailsThe primary sinter melt solidifies into a sinter matrix typically consisting of hematite, magnetite, SFCA, larnite, and glass during the cooling stage of sintering. ... For detailed information on these quality parameters, readers can refer to Chapters 17 and 18—Quality requirements of iron ore for blast furnace and other alternative ...
DetailsSinter is normally the major component of the blast furnace (BF) charge burden. Sinter consists of many mineral phases produced during process of sintering of iron ores. The quality and properties of sinter are dependent on the mineral structure of sinter. ... The reaction surface area of iron ore fines is high which results into higher ...
DetailsThe integrated iron and steelmaking route involves blast furnace (BF) ironmaking followed by basic oxygen furnace (BOF) steelmaking. The BF uses sinter, pellets, and lump ore as iron-bearing raw materials, and coke and pulverized coal as fuel and reducing agents to produce hot metal with consistent quality for the BOF process.
DetailsSintering process is developed mainly to utilize under size of lump ore called iron ore fines; which otherwise, could not be charged directly in blast furnace. In order to conserve these, otherwise waste material, they are compacted together and made into lumps by a process known as sintering.Sintering is defined as the agglomeration of the ...
DetailsThe sintering process is finalized to transform the small grained raw material into larger grained iron ore sinter of the right dimensions to be used in the blast furnace. Achieving …
DetailsSinter plants process a mixture of iron ore fines, recycled ironmaking products, slag-forming agents and solid fuel (coke) with the finality of obtaining a product with the suitable ...
Detailscessing changes ore into fine ore, which cannot be directly used as a raw material for blast furnaces, but it can be used as raw material for pellets or sintered iron ore, hereinafter re-ferred to as sinter. Sinter accounts for approximately 73% of iron ore charged in blast furnaces in Japan [6], and it is cru-
DetailsWhat is iron ore pellet. Iron ore pellets are made by adding a small amount of additives to the fine ore powder (-200 mesh, that is, the ore powder with a particle size of less than 0.074mm accounts for more than 80%, and the specific surface area is more than 1500cm2/g), adding water to the pelletizer, relying on capillary force and mechanical …
DetailsOriginal purpose of the iron-ore sintering process is to agglomerate fine ores into lump burdens for blast furnace (BF). Since sintering conditions, e.g., kinds of ores and used …
DetailsBlast furnace operation is a complex phenomenon; maximising productivity requires a balance of burden characteristics. Meeting the targets of optimum sinter strength and minimum slag volume is a ...
DetailsPure H 2 injection into the blast furnace as an auxiliary agent is beneficial, ... Blast furnace uses iron ore as the iron-bearing raw materials, and coke and pulverized coal as reducing agents and heat source, lime, or limestone as the fluxing agents. ... At the top coke and burden (sinter, pellets, lump ore, and flux) are charged in ...
DetailsThe sintering process transforms various types of iron ore with fluctuating compositions into stable sintered ore for blast furnace ironmaking. This process needs to be carried out at 1300 °C, and coke combustion provides the primary energy, resulting in significant NOx emissions.
DetailsThere, the sinter mixture is partially melted at a temperature between 1300-1480 °C and undergoes a series of reactions that forms the sinter cake to be loaded into the blast furnace to produce ...
DetailsOne of the most important factors to increase the economic efficiency of the blast furnace process is to reduced coke losses (undersieve product known as nut coke). In recent years there has been increased interest in mixing nut coke in the sinter layers. In order to clarify the influence of nut coke on sinter reducibility, sinter and sinter–nut coke mixtures …
DetailsIn iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along with the …
DetailsSintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Compared with pellets, production of sinter is cheaper, and …
DetailsImproved iron-ore sinter for blast furnaces. Published: 26 July 2015; Volume 45, pages 270–274, (2015) Cite this article; Download PDF. Steel in Translation Aims and scope Improved iron-ore sinter for blast furnaces Download PDF. F. M. Zhuravlev 1, V. P. Lyalyuk 1, D ...
DetailsThe sintering process is finalized to transform the small grained raw material into larger grained iron ore sinter of the right dimensions to be used in the blast furnace. Achieving an adequate sintered product depends …
DetailsSinter is the primary feed material for making iron in a blast furnace. During the iron ore sintering process in iron and steel manufacturing, sinter is created by mixing iron ore concentrate with several additives such as limestone and silica to control the chemistry and then igniting it at 1200°C in a continuous belt-fed furnace. The …
DetailsThe basicity of sinter was fixed on the basis of percentage of sinter charged in blast furnace. The level of silica in sinter was decided depending upon the end use of hot metal produced for steelmaking or for foundry purpose. The MgO content in sinter is based on the blast furnace slag composition.
DetailsThere have been studies about the low-temperature reduction degradation characteristics of pellets, sinter, and lump ore, [] as well as the softening, shrinking, and melting reduction behavior of all charge materials or just part of them. [3-9]Even though some research has considered all iron-bearing materials (sinter, iron ore pellets, and …
DetailsSintering is the most widely used agglomeration process for preparing iron ore fines for blast furnace applications. We are using our expertise in iron ore sintering and evaluation of blast furnace burdens to assist industry to maximise the value of their resources, optimise product quality and reduce their environmental footprint.
DetailsThe target basicity of iron ore sinter is set by blast furnace slag composition requirements, and therefore varies with the proportion of acid burden such as lump iron ore and pellets. Increasing the lump proportion of the burden will increase the target sinter basicity. The mineralogy of sinter produced with a range of basicity …
DetailsAt the stage of sinter production, such an alteration will lead to a decrease in the total consumption of iron ore concentrate, as well as allowing blast furnace and aspiration fines used in the ...
DetailsAccording 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.
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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