iron ore quality required for sinter iron

Characteristics and Sintering Performance of Iron Ore

sinter quality are required. In this paper, the sintering process and sinter structure have been analysed and the key factors affecting the sintering performance of iron ore fines, including productivity and quality, identified.

Sintering: A Step Between Mining Iron Ore and Steelmaking

Sinter quality begins with the mined iron ore and the proper selection and mixing of the raw materials. Inhomogeneous raw mix can affect permeability and cause an increase in fuel consumption. During the iron ore sintering process in iron and steel manufacturing, an online analyzer can be used to determine the elemental composition of the bulk raw materials in sinter feed. How do these analyzers work and what kind of technology do they utilize?

Pellet, iron ore concentrste, sintered iron ... - Metinvest

What is iron ore sinter?

PDF) The utilisation of iron ore fines : Technical

250000 Iron Ore Quality in India Production in x 000 ton 200000 Others 150000 Low Grade Fe < 62% Medium Grade Fe 62-65% 100000 High Grade Fe > 65% 50000 0 10 20 30 40 50 60 0 % Share Reserve Karnataka Odisha Chattisgarh All India Fig. 4 : Quality of iron ore in India [6] Fig. 5 : Major iron ore producing states in India[7] Fig. 6 : Generation ...

Iron Ore Concentrate - Iron Ore

Iron Ore Concentrate Iron Ore. Iron ore is the raw material required to make Steel through melting. There are some kinds of Iron Ore in the earth that one of the main forms of them is Hematite. Resources of Iron Ore are estimated to be about 800 billion Tones.

Ore Sintering - an overview | ScienceDirect Topics

The “ore group” iron ore textural classification scheme (Table 2.7 and Figures 2.7 and 2.8) has been developed to link ore texture to downstream processing performance including lump/fines ratio, beneficiation, blast furnace lump physical and metallurgical properties, or fine ore sintering quality (Clout, 2002). The Ore Group scheme defines textural groupings on the basis of similarities in mineralogy, ore texture, porosity, mineral associations, and hardness.

Iron Ore Pelletizing Process: An Overview | IntechOpen

Jul 10, 2017 · The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter shows the status of the pelletizing process ...

ore quality required for sinter iron - energie-2060.fr

Ore fines and their potential impacts on the iron ore sintering process and sinter quality are required in this paper, the sintering process and sinter structure have been analysed and the key factors affecting the sintering performance of iron ore fines, including productivity and quality, identified under fixed sintering conditions, the

Chemical, Mineralogical and Metallurgical Characterization

The major parameters which affect the quality of sinter are: Particle Size Iron ore fines: The larger sized iron ore fines (> 10mm) does not take part in agglomeration rather is sometimes came un-sintered. The larger sized iron ore will segregate at a particular portion where sintering will be fast leaving behind the other portion. This

Control of Pollution in the Iron and Steel Industry

undertaken. For the blast furnace the future availibility of high quality sinter is of great importance because very few lump ores comply with the quality requirements of the blast furnace. Alternative quality feeds are limited in supply. This applies for pellets. The sintering converts fine-sized raw material, iron ore, coke breeze, limestone ...

How to Achieve Uniform Sinter Quality - Analyzing Metals

12/18/2018 · Sinter 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 production of high-quality sinter is …

Theory and Practice of Sintering of Iron ore - IspatGuru

The sinter mix which forms the sinter bed consists mainly of iron ore, coke breeze, fluxes and return fines. The behaviour of the sinter mix during sintering and the quality of sinter is dependent largely on the chemical, granulometric, and mineralogical composition of the iron ore.

SAFETY GUIDELINES FOR IRON & STEEL SECTOR MINISTRY OF

Generally, raw mix bed height is 550 mm but for large size sinter machines, total bed height on sinter strand shall be 700 mm including hearth layer of 4050 mm (approx.) and is adjusted based on quality of the raw material. The bed in running (motion) condition taken to is ignition front.

Sinter plant - Wikipedia

Sinter plants agglomerate iron ore fines (dust) with other fine materials at high temperature, to create a product that can be used in a blast furnace.The final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals.

Influence of Iron Ore Fines Feed Size on Microstructure

Influence of Iron Ore Fines Feed Size on Microstructure, Productivity and Quality of Iron Ore Sinter Tekkalakote UMADEVI, Angalakuditi BRAHMACHARYULU, Ajay Kumar ROY, Pradipta Chandra MAHAPATRA, Manjunath PRABHU and Madhu RANJAN JSW Steel Limited, India. Email: [email protected] (Received on December 24, 2010; accepted on March 1, 2011)

Iron Ore Sinter - an overview | ScienceDirect Topics

Granulation and thermal densification are two important steps in iron ore sintering and determine the quality of the resultant sinter and the performance of the sintering process. Iron ore is typically characterized chemically, physically, and mineralogically. The effect of iron ore characteristics on sintering is mainly through their impact on the granulation and densification processes.

Direct reduced iron - Wikipedia

Direct-reduced iron has about the same iron content as pig iron, typically 90–94% total iron (depending on the quality of the raw ore) so it is an excellent feedstock for the electric furnaces used by mini mills, allowing them to use lower grades of scrap for the rest of the charge or to produce higher grades of steel.

PDF) Iron Ore Sintering Part 2. Quality Indices And

Mochon et al. [11] specifically reviewed the literature with regards to sinter quality. This work showed the links between chemistry, porosity and mineralogy and the quality of the iron ore sinter

Recent advances in iron ore sintering: Mineral Processing

Corresponding to the changes in the availability of iron ore resources, the amount of impurities in iron ore has been slowly increasing. Some of these impurities have been found to have deleterious impacts on sinter quality and sintering performance.

SINTERING AND PELLETISATION OF INDIAN IRON ORES

High grade iron ore less than 10% of the total reserves. ROM iron ore with Fe less than 58 – 60% discarded as waste. After beneficiation iron ore availability can improve by about 50%. Steel community and the country demand technological solutions for utilising low grade ores. The technology task that would be imperative: 1.

Leave a Comment