CN102352273B - Biomass carbon for iron ore sintering, …
The invention relates to a biomass carbon for iron ore sintering, a preparation thereof and an application thereof. The preparation of the biomass carbon is characterized in that: the …
اقرأ أكثرAnalysis of Combustion Rate of Various Carbon Materials for …
KEY WORDS: carbon material; combustion rate; physical and chemical property; activation energy. 1. Introduction In general, cokes and anthracites are used as a solid fuel in the iron ore sintering process. However, the solid fuel for the iron ore sintering process must be reconsidered due to the sudden rise of the coke price, the unstable ...
اقرأ أكثر(PDF) Thermodynamic Analysis of Iron Ore Sintering Process …
PDF | The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper... | Find, read and cite all the research you need ...
اقرأ أكثرSintering & Pelletisation – Carbon steel materials
Dr Liming Lu is the Team Leader for Sintering & Pelletisation guiding CSIRO's R&D into iron ore agglomeration and high temperature behaviour of iron ore agglomerates in blast furnaces and alternative ironmaking processes. With more than 30 years of R&D experience in the characterisation, processing and evaluation of iron ores, metallurgical ...
اقرأ أكثر(PDF) Iron Ore Sintering: Process - ResearchGate
Sinter is sintered by powder ore and flux ingredients, and the quality of sinter directly affects the smooth production of blast furnace …
اقرأ أكثرReducing Carbon and Nitrogen Oxides Emission in Iron …
Double-layer pre-sintering new process can reduce carbon oxides and nitrogen oxides emission during Iron Ore sintering . For the industrial-scale pilot with a 360 m 2 sinter …
اقرأ أكثرA novel performance assessment method of the carbon …
It is impossible to detect directly in actual sintering process, but can be calculated by the ratio of the coke powder () in the raw mix. Eq. (1) can be rewritten as: (2) where is the …
اقرأ أكثرInfluence of Sinter Parameters on CO Emission in Iron Ore ... - MDPI
Carbon monoxide is the major hazardous component in flue gas exhausting from the iron ore sintering. This study aims to reduce the CO emission by changing the sinter parameters by sintering pot tests; specifically, the sinter quality, CO concentration, and total emission in sintering flue gas were analyzed in detail. The sinter strength properties, …
اقرأ أكثر(PDF) Iron Ore Sintering: Quality Indices - ResearchGate
Abstract and Figures. Sinter 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 ...
اقرأ أكثرSintering: A Step Between Mining Iron Ore and Steelmaking
World resources are estimated to be greater than 800 billion tons of crude ore containing more than 230 billion tons of iron. The only source of primary iron is iron ore, but before all that iron ore can be turned into steel, it must go through the sintering process. Sinter is the primary feed material for making iron and steel in a blast furnace.
اقرأ أكثرSintering Technology for Iron ores and Optimization of
Basic sintering technology. The sintering technology is basically an agglomeration process for the iron ore fines which is dependent on heat to melt the surface of the smaller particles together to form larger agglomerates. A typical sinter plant consists of a number of sequential operating units with the sinter machine at the heart of the ...
اقرأ أكثرSintering of Iron Ore & Blast Furnace Aug 2018 -1-1.pdf
View Sintering of Iron Ore & Blast Furnace Aug 2018 -1-1.pdf from MECHANICAL 121 at College of Engineering, Pune. SINTERING OF IRON ORE & BLAST FURNACE PROCESS DR. S. B. SARKAR College of Engineering
اقرأ أكثرFormation and mitigation of PCDD/Fs in iron ore sintering
Abstract. The sintering of iron ore is presently a significant industrial source of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) worldwide owing to the fundamental requirement of the operation of a high temperature process to pre-treat fines and to recycle plant by-products arising from the integrated iron and ...
اقرأ أكثرDevelopment of carbon composite iron ore micropellets by using …
Iron ore microfines and concentrate have very limited uses in sintering processes. They are used in pelletization; however, this process is cost intensive. Furthermore, the microfines of non-coking coal and other carbon-bearing materials, e.g., blast-furnace flue dust (BFD) and coke fines, are not used extensively in the metallurgical industry because of …
اقرأ أكثرCN102352273B - Biomass carbon for iron ore sintering, …
The invention relates to a biomass carbon for iron ore sintering, a preparation thereof and an application thereof. The preparation of the biomass carbon is characterized in that: the biomass carbon with the density of 1.1-1.4g/cm<3>, the fixed carbon content of 75-90%, the volatile matter of 5-15% and the calorific value of 25-32MJ/kg is obtained by cooperating low …
اقرأ أكثر(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). The purpose of the ...
اقرأ أكثرCHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING
The reaction mechanism proposed for self fluxing sinter is summarized below : At 800-1000°C Crystallisation of iron oxide — hematite Dissociation of CaCO3 Sintering of hematite with …
اقرأ أكثرCHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING
A sinter feed with good permeability from ignition until burn-through is required for efficient operation of a sinter plant. In this regard it is necessary to consider the widely held and simplistic view that sinter feeds containing iron ores with high ultra …
اقرأ أكثرiron ore quality required for sinter iron - praedia.fr
China 39 s pollution crackdown shakes up iron ore traders. 20 Sep 2017 As China 39 s steel mills seek higher grade material for use in their furnaces a tonne of top tier ore with 65 per cent iron content has traded as high as 100 a tonne To put that figure in This removes the need for sintering the most polluting stage of the steelmaking process Sintering turns smaller iron ore …
اقرأ أكثرAlternate carbon sources for sintering of iron ore (Acasos)
Alternate carbon sources for sintering of iron ore (Acasos) In the RFCS project 'Acasos', alternative carbon sources, for example olive pits, sunflower husks, blast furnace …
اقرأ أكثرAlternate carbon sources for sintering of iron ore (Acasos)
Alternate carbon sources for sintering of iron ore (Acasos) In the RFCS project 'Acasos', alternative carbon sources, for example olive pits, sunflower husks, blast furnace (BF) dust and sludge, anthracite and pet coke, were analysed, pre-treated and evaluated by sinter pot tests and industrial sinter plant trials.
اقرأ أكثرUtilization of Biomass for Iron Ore Sintering - J-STAGE
Utilization of biomass as a carbon-neutral agent is an attractive one for iron ore sintering. Sinter pot tests were carried out with using raw biomass and biomass carbonized char. It is not good on yield and exhaust gas that raw biomass is used directly as carbon material for iron ore sintering. While, it is good on the productivity and the ...
اقرأ أكثرReduction of Solid Fuel Consumption in Sintering of Indian …
condition of sinter chemistry required by the blast furnace. 2. Materials and methods 2.1. Raw Materials Typical ore fines from Goa Mines, India was used in the sintering studies. Fig. 1(a) and 1(b) and Tab. I, respectively, show the sieve and chemical analyses of blended iron ore fines and other mix ingredients used in the studies.
اقرأ أكثرUtilization of charcoal in the iron-ore sintering process
Sintering is an agglomeration process that is used in the iron industry to prepare ne grained iron bearing materials for use in the blast furnace. Sinter com-position usually depends on chemical composition of input materials, carbon content, oxidation potential of the gaseous phase, and temperatures in the sintering bed [1].
اقرأ أكثرModeling method of carbon efficiency in iron ore sintering …
Iron ore sintering is one of the most energy-consuming processes in steelmaking. The main source of energy for it is the combustion of carbon. To find ways of reducing the energy consumption, it is necessary to predict the carbon efficiency. In this study, a modeling method that is based on the characteristics of the sintering process was developed to do that. It …
اقرأ أكثر12.5 Iron And Steel Production - US EPA
required to produce 0.9 Mg (1 ton) of product sinter. 12.5.1.2 Iron 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.
اقرأ أكثرA Multilevel Prediction Model of Carbon Efficiency Based on the ...
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 …
اقرأ أكثرLife cycle assessment of sintering process for carbon …
The conventional process of iron ore sintering has several advantages such as (a) it enables to attain the desired size of feed for blast furnace (BF), (b) it produces a partially …
اقرأ أكثرIron Ore Sinter - an overview | ScienceDirect Topics
J.R. Manuel, in Iron Ore, 2015 4.2.2 Sinter Low-temperature (< 1300 °C) iron ore sinter is an agglomerate of unmelted and partially melted nuclei particles (+ 1 mm) and a matrix bonding phase produced from the melting of fine ore (− 1 mm) and flux particles, with the majority of melt formation occurring in the granule adhering fines layer.
اقرأ أكثرJPWO2010087468A1 - Iron ore sintering carbon - Google Patents
The present invention is less expensive than the conventionally used sintering fuel, has excellent combustion efficiency, can improve the production rate and product yield of sintered ore, and can improve nitrogen production during the production of sintered ore. The present invention provides a fuel for iron ore sintering that makes it possible to reduce oxide emissions, and is a carbon ...
اقرأ أكثرIron Ore Sinter – IspatGuru
Iron ore sinter or simply called sinter is usually the major component of a blast furnace iron bearing burden material. Sinter normally consists of various mineral phases produced by sintering of iron ore fines with fluxes, metallurgical wastes and a solid fuel. Coke breeze is normally used as fuel in the sinter mix since it supplies necessary ...
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