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Factors influencing Sinter and Sintering Process – IspatGuru

Jul 08, 2013· Fig 1 Flowsheet of sintering process. The iron ore fines are natural ore of size 0 mm to 10 mm. The raw mix (also called sinter mix) is made with the weighed amount of iron ore fines, limestone, dolomite, sand or quartzite fines (flux), solid fuel (coke breeze or anthracite) and metallurgical wastes (collected dusts, sludge and mill scale etc).

DOISerbia - Modified coke breeze distribution in iron ore ...

Therefore, the current study explores the possibility of reducing energy consumption in iron ore sintering by reducing the coke ratio from top to bottom without deteriorating the sinter property. 12% reduction in coke breeze rate has been found and the sinter quality has been improved by the use of a triple layer of sinter mix with a lower coke ...

(PDF) Iron Ore Sintering: Process - ResearchGate

Feb 16, 2017· 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).

Optimization of gaseous fuel injection for saving energy ...

Dec 01, 2017· 1. Introduction. Iron and steel industry is the highest (15% ) energy consumption sectors in China.Traditionally, coke breeze supplies heat for the iron ore sintering. Coking and sintering contribute the second highest (26% ) energy consumption in the iron and steel production.Iron ore sintering is a pre-treatment process to prepare porous sinters with suitable strength which are the …

A Hybrid Ensemble Model Based on ELM and Improved AdaBoost ...

As a typical part of iron and steel making processes, the iron ore sintering process accounts for 10%∼15% of the energy consumption of an iron and steel enterprise. Figure 1 shows the schematic view of the iron ore sintering process flow. A mixture of iron ore, fuel (coke breeze), flux (limestone/lime), return fines, and other additives is ...

Sintered Iron-Ore Manufacturing Capabilities when Using ...

Mar 18, 2020· In the stationary combined fuel consumption mode for the iron ore agglomeration, an experimental sinter batch was produced—1828 tons with an average natural gas total consumption for the sintering machine of 560 m 3 /h and its share for the GAD of 21.42%. The average agglocharge consumption characteristics were maintained at the following ...

Effects of Iron Ores on the Combustion Behavior of Coke ...

ing iron ore sintering process, which was called fuel NOx. NO was the majority of the fuel NOx, accounting for about 95%.5,6) CO and NO formed simultaneously during the solid fuel combustion process, and Hida 7–9) found that the et al. Effects of Iron …

Understanding the high-grade iron ore market

Iron ore lump and sinter fines are examples of DSOs, which are mined predominantly from areas such as Australia's Pilbara and Brazil's Carajas regions, where geological processes have led to iron content levels of between 55% and 65%. These ore types require little processing beyond crushing and screening before being 'directly-shipped ...

Online Elemental Analysis of Sinter FAQs | Thermo Fisher ...

The basicity of sinter feed material is an important parameter in the efficient operation of the sintering and iron making process. This application note describes the application and benefits of using the Thermo Scientific CB Omni Fusion Online Elemental Analyzer for sinter as a primary sensor for basicity control in the iron ore sintering ...

IRON ORE1 - USGS

IRON ORE. 1 (Data in thousand metric tons, usable ore, unless otherwise noted) Domestic Production and Use: In 2020, mines in Michigan and Minnesota shipped 98% of the usable iron ore products, which were consumed in the steel industry in the United States with an estimated value of $4.1 billion, a decrease from $4.4 billion in 2019.

Lower Limit of the Energy Consumption and the Double ...

Energy Consumption Iron Ore Sintering* and the Double By Shun SAT 0, * * Takazo KA WAG UCHI * * and Masakazu KA T 0* * * Synopsis The lower limit of energy consumption in the actual iron ore sintering process was investigated by experiments and a simulation model. The energy consumption was reduced with the decrease in the induced air volume ...

Sintering Process Equipment Used in Iron and Steel ...

Achieve uniform sinter quality at low operational costs. Sinter is the primary feed material for making iron in a blast furnace. The production of high-quality sinter is crucial for assuring consistent, stable furnace productivity with a low consumption of reductants. Sinter quality begins with the proper selection and mixing of the raw materials.

Iron Ore

Data on consumption and stocks of iron ore and iron ore agglomerates (pellets and sinter) at iron and steel plants were provided by the AIOA. Data on consumption of iron ore for nonsteel end uses were compiled from information gathered from USGS surveys. In 1998, virtually all iron ore (98.3%) was consumed by the steel industry. Reported ...

CFD prediction of heat/mass transfer in multi-layer ...

Iron ore sinter plants for integrated iron and steel production are the second largest emitter of CO 2 [1,2]. Recent statistics demonstrate that decreasing the solid fuel consumption rate by 1% in iron ore sinter production can reduce the usage of standard coal by 0.42 million tons [ 3 ] and cut CO 2 emissions by 1.16 million tons per annum.

Weighted Kernel Fuzzy C-Means-Based Broad Learning Model ...

Dec 09, 2020· A key energy consumption in steel metallurgy comes from an iron ore sintering process. Enhancing carbon utilization in this process is important for green manufacturing and energy saving and its prerequisite is a time-series prediction of carbon efficiency. The existing carbon efficiency models usually have a complex structure, leading to a time-consuming training process. In …

Modified coke breeze distribution in iron ore sintering ...

The lower limit of energy consumption in the actual iron ore sintering process was investigated by experiments and a simulation model. Energy consumption was reduced with a …

Equipment for Iron Ore Sintering Process and Steel ...

Sinter is the primary feed material for making iron in a blast furnace. 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. ...

A Data-Driven Model for Energy Consumption in the ...

The sintering process, as shown in Fig. 1, begins with the preparation of the raw materials consisting of iron ore fines, fluxes, in-plant metallurgical waste materials, fuel, and return fines from the sintering process. These materials are mixed in a rotating drum, and water is added in order to reach the desired agglomeration of the raw ...

Combustion behavior of granulated coke breeze in iron ore ...

Dec 01, 2018· 1. Introduction. Iron ore sintering is a very important process which produces sinter as a major burden for blast furnace ironmaking. In this process, iron ore and auxiliary materials, e.g., fluxes, unqualified sinter (called return fine), and coke breeze, are …

Improving Energy Efficiency in Iron Ore Sintering through ...

Iron ore sintering is an important pre-processing technology in integrated steel mills. Sinter accounts for around 70 wt.% of the ferrous feed to blast furnaces in the Asia-Pacific region. 1) Sinter making is a complex process and can be viewed as comprising bed preparation under ambient conditions (or cold processing) and subjecting the bed to high temperatures by generating a narrow, moving ...

IRON AND STEEL

primarily of iron ore, sinter, or pellets; coke; and limestone or dolomite. Iron and steel scrap may be added in small amounts. Near the bot tom of the furnace, preheated air is blown in. Coke is combusted i n the furnace to produce carbon monoxide which reduces the iron ore to iron. Silica and alumina in the ore and coke ash are fluxed with

EFFECT OF MAGNETITE, HEMATITE AND PELLET …

approximately 10% reduction, compared to the reference sintering test. Reduced consumption of coke breeze has also been reported in earlier papers [4]. Figure 2 Productivity, reference sinter compared to sinter with addition of LKAB iron ore. Figure 3 Consumption of coke breeze

Sintering Hematite Iron Ore - 911 Metallurgist

Aug 19, 2019· Sintering Hematite Iron Ore. The authors investigate the influence of the basicity index CaO/SiO2 on the sintering properties of hematite ore mixtures. The experimentation was performed with three different mixtures of ores from Tazadit, Nimba, Mano-River, Itabira, Marcona, Goa, Mapawa and Cassinga. Increasing the basicity index CaO/SiO2 ...

A Multilevel Prediction Model of Carbon Efficiency Based ...

Mar 01, 2018· The iron ore sintering process is the second most energy-consuming process in iron and steel production, where the main energy consumption results from the combustion of carbon. In order to optimize the utilization of carbon, it is necessary to predict the carbon efficiency first. Thus, this paper develops a multilevel prediction model to predict the carbon efficiency. First, the comprehensive ...

091102 Iron ore - European Commission

Iron ore roasting or sintering including pelletisation 3 There are six pelletizing plants at mining ... the iron ore mining industry, electricity consumption plays a significant role in the sector. 4 2 Production process and GHG emissions 2.1 Description of the production process

Mineralogy and metallurgical properties of iron ore sinter ...

Dec 31, 1993· @misc{etde_10149565, title = {Mineralogy and metallurgical properties of iron ore sinter based on magnetite fines} author = {Heinaenen, K} abstractNote = {This study has shown that sintering is primarily a mineralogical process even though it is traditionally considered as being controlled by chemical analyses. The effect of the mineralogy of the sinter mix on the mineralogy of …

Modified coke breeze distribution in iron ore sintering ...

consumption in iron ore sintering by reducing the coke ratio from top to bottom without deteriorating the sinter property. 12% reduction in coke breeze rate has been found and the sinter quality has been improved by the use of a triple layer of sinter mix with a lower coke rate towards the bottom.

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

FUNDAMENTALS OF IRON ORE SINTERING R. P. Bhagat INTRODUCTION The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants. With the development of sintering technology, a ... consumption of sinter and weight of limestone in the burden were closely correlated: 20

Hot Airflow Ignition with Microwave Heating for Iron Ore ...

In iron ore sintering, ignition is to supply upper feed with sufficient heat to ensure the coke combustion and materials sintering. And with air draft, the sintering proceeds from upper feed to lower completely.1) The energy consumption of conventional iron ore ignition using coal gas (CGI) in the

SINTERING AND PELLETISATION OF INDIAN IRON ORES

Emission Optimized Sintering (EOS®) for lower costs Iron ore sintering creates substantial off-gas volumes, and treating these in order to meet increasingly stringent environmental standards is expensive. EOS® uses recycling technology to reduce off-gas volumes by 40 to 50 %, resulting in smaller secondary gas treatment systems. This means: