Multi-objective Optimization of Integrated Iron Ore Sintering Process
In the iron ore sintering process, it is desirable to maximize the productivity and quality of sinter while minimizing the fuel consumption for any given raw material (iron ore, flux and solid fuel) quality. However, given the complexity of the sintering process and the large number of manipulated variables, it is not practical for operators to identify appropriate set …
Disposal of zinc extraction residues via iron ore sintering process…
The iron ore sintering process has the capability to handle and utilize complex raw materials, allowing for the reasonable utilization of zinc extraction residue. The addition of zinc extractant has been found to improve the sintering index, metallurgical properties, and gaseous pollutant emissions without significant negative effects. ...
Iron Ore Sintering Processes and Quality
By analyzing the basic characteristics of iron ore powders, researchers have identified optimal ratios of low-silicon magnetite that can enhance the assimilation process during sintering.
Iron Ore Sintering Processes and Quality
Iron ore sintering is a crucial process in the production of iron, where fine iron ore particles are agglomerated into a porous mass called sinter. This sinter is then used as a primary feedstock ...
Treatment of steel rolling sludge incineration slag via iron ore
This paper explored the feasibility of using steel rolling sludge incineration slag in the iron ore sintering process. The study analyzed the influence of incorporating steel rolling sludge incineration slag residue on sinter quality, metallurgical performance, and air pollutant emissions. The objective was to offer theoretical guidance to ...
UTILIZATION OF WASTE POWDER AND SLUDGE IN …
Iron ores concentrates and waste iron containing powders are subjected to advanced sintering [1-3]. An important and durable trend at advance preparation of the raw materials for the blast …
Sintering: A Step Between Mining Iron Ore and …
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, …
Thermodynamic Analysis of Iron Ore Sintering Process …
The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the composition index of iron ore, …
Prediction of sinter yield and strength in iron ore sintering process
The iron ore sintering process was simulated and computational domain was the same as the configuration of a sinter pot as shown in Fig. 1. Entrance of the sinter pot was defined as a velocity inlet. The magnitude of velocity was obtained from the experimental gas-flow rate [7]. The bottom of the sinter pot was set to be pressure outlet which ...
Utilization of Pellet Fines in the Iron Ore Sintering …
2.1 Material Selection for Sintering Process Raw materials like iron ore nes, limestone, dolomite, coke breeze, blast furnace return nes, sinter return nes, micro pellets, coke breeze, and calcined lime were used for the laboratory pot grate sintering studies. A …
The Influence of Alkali Metals on the Sintering Mineralization Process …
To investigate the influence of alkali metal compounds in different forms on the sintering mineralization process of iron ore, the basic sintering characteristics of iron ore with alkali metal contents ranging from 0 to 4% were measured using the micro-sintering method, and the influence mechanism was analyzed using thermodynamic analysis and first-principles …
Influence of Sinter Parameters on CO Emission in Iron Ore Sintering Process
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 ...
Influence of Sinter Parameters on CO Emission in Iron Ore Sintering Process
Sintering flue gas recycling is a good energy-saving and CO emissions reducing strategy. The CO-containing flue gas is recirculated into a sintering bed, reducing the COx emission in recycling flue gas [19,23].Stand-support sintering was studied to improve oxygen potential in iron ore sintering, optimize energy efficiency, and reduce the CO content in flue …
Iron Ore Sintering Process with Biomass Utilization E.A.
Based on the obtained data, conclusions are given on the optimum usage of renewable biomass in iron ore sintering process. Airflow during the sintering of different mixtures Figures - uploaded by ...
Identification of working conditions and prediction of FeO …
The iron oxide (FeO) content had a significant impact on both the metallurgical properties of sintered ores and the economic indicators of the sintering process. Precisely predicting FeO content possessed substantial potential for enhancing the quality of sintered ore and optimizing the sintering process. A multi-model integrated prediction framework for FeO …
A Novel Sintering Process for Porous Iron Ore …
The present work proposes a novel process to sinter porous iron ore (porosity ~23–24%) with enhanced productivity and quality. The iron ore is pre-processed in the presence of calcined lime for the temporary closure of pores, which further prevents water absorption during the granulation process in drum in the presence of water.
A Novel Sintering Process for Porous Iron Ore Sintering …
The iron ore mixture for all the stages was the same and consisted of iron ore concentrate – 78.3%, sintering ore – 8.0%, lime – 5.5% and sintering additives (sludge, dust, scale) – 8.2%.
Iron Ore Sintering
Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy iron-bearing raw material used for blast furnace ironmaking. High-temperature process and addition of alkaline flux will improve metallurgical performance of iron-bearing raw material.
Three dimensional mathematical model of the iron ore sintering process
2. Modeling. 2.1. Model concept and assumptions. A method for modeling the sintering process of an industrial strand machine is proposed based on multiphase, multi-component transport equations of momentum, mass and energy for gas, solid and liquid phases taking into account the local phenomena of porous sinter formation, as schematically shown in Figure 2.
Iron ore sintering
Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described and …
Sinter strength evaluation using process parameters under …
The integrated iron and steel industry is the most energy-intensive sector, accounting for 10–15% of the total energy consumption in the world [1].In 2009, the CO 2 emission from Chinese iron and steel sector is nearly equal to 50% of the world's steel industry's CO 2 emission [2].It is aimed at converting iron ore fines to suitable feed for efficient iron …
Journal of Process Control
Iron ore sintering is a critical process in iron and steel production. It produces qualified sinter for the blast furnace [1]. The process is complex and nonlinear, and many of the process factors are coupled. Proportioning is the first step in the sintering process. The chemical components of the raw materials and their proportions determine ...
Sintering enhancement process based on fluidity and …
The sintering process is influenced by complex low-grade ores. This study used seven types of imported iron ore, A–F and domestically produced iron ore, G, as raw materials to study their chemical composition, as well as the liquid fluidity and bonding strength of the mixed ore after single and optimised ore blending.
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 ...
A Process Intensification Approach to Improve Productivity, …
Intensification of the iron ore sintering process is approached with a four-way framework covering granulation improvement, waste gas recycling, fuel gas injection into the sinter bed, and reduction of stack emissions. Various metallurgical wastes are granulated to form micro pellets and are dosed along with the feed to cut down the cost.
Sintering plant at a glance | PPT
25 PRINCIPLE OF THE SINTER MAKING PROCESS • Iron one sintering is carried out by putting GREEN MIX after Mixing and Nodulizing drum (a mixture of Base mode with iron ore fines, mixed with flux, coke breeze as a …
(PDF) Iron Ore Sintering: Process
Explore the intricate steps involved in the sintering process of iron ore. Discover how raw materials are transformed into a high-quality final product, enhancing industrial …
Modeling and Simulation of Iron Ore Sintering Process …
under larger initial iron ore size, which shortened sintering time and increased productivity. KEY WORDS: sintering; modeling; numerical simulation; agglomeration; granule growth. 1. Introduction The main purpose of iron ore sintering is to produce …
Mathematical Modelling and Simulation of the Iron Ore Sintering Process
Iron ore sintering process is dominating the agglomeration process in Steel manufacturing sector. To achieve good quality sinter, it is required to know the change in temperature with time for a ...
Iron Ore Sintering
Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy iron-bearing raw material used for blast furnace ironmaking. …