A multi-objective optimization method is presented to maximize both sinter productivity and quality for the integrated iron ore sintering process [9], in which the prediction models for ...

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 …

Steel making using the integrated blast furnace (BF) process route is still the dominant steel production method covering 70% of worldwide steel production and iron ore sintering is one of the most important iron sources within this process, which represent 70–80% of charged iron-bearing materials into modern BF [].Inside this route, sinter …

A short description of the sintering process is also presented in Fernández--González et al. (2018). Figure 2.1 shows the main parts of an iron ore sintering plant (Dwight–Lloyd machine). Despite at first instance the agglomeration of ores has imposed as a process required in the iron extractive metallurgy, this process has changed with the

Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. ... and then one new artificial neural network model—online sequential extreme learning machine (OS-ELM) was established to predict FeO content and tumble strength of sinter ores for each group ...

Nath and Mitra [15] analyzed a two-layer sintering process for sinter quality and fuel efficiency by using a genetic algorithm. Masoud [16] investigated the effects of kinetic parameters on combustion characteristics in a sintering bed. Cheng [17] evaluated sinter strength using process parameters under different conditions by sinter pot tests.

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.

the machine. Sinter having size > 5 mm will go to the cooler and then it will go to BF. Sinter with size < 5 mm size fines will be re-cycled in the process. 4. Some of critical Equipments/ facilities in Sinter Plant are asunder: Sl. No. Major equipments 1. Conveyors, charging bins for Iron Ore Fines/ Coke Breeze/ Lime Dust/

1. Introduction. The energy consumption in sintering process is about 10%–15% of the total energy consumed in iron and steel companies in China [1], [2], and nearly 50% of the energy consumption in sintering process is carried away by the flue-gas in sintering process and the waste gas in cooling process.Therefore, recovering the …

The raw materials for an integrated steelworks can be classified into four categories, which are iron ores, fluxes, fuels, and reverts. The characteristics of these raw materials strongly affect the metallurgical properties of iron ore sinter and sinter plant performance. An optimal ore blend design is therefore essential to produce low cost ...

Prior to dispatch of sinter to the blast furnace for hot metal production, the sinter product from the sinter cooler is screened to remove smaller/finer particles. The undersize so generated is called internal return fines, which are generally recirculated into the sintering machine. A very high level of internal return fines generation limits the use …

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. Besides, the sintering process …

Sintering is an agglomeration process used in the iron and steel making industry. In sinter machine, the fine iron ore particles are agglomerated to form porous coarse particles by combustion of fuel [1,2,3,4,5].After agglomeration process in sinter machine, the hot sinter is crushed by the rotating breaker and transferred to the chute …

sintering, the welding together of small particles of metal by applying heat below the melting point. The process may be used in steel manufacturing—to form complex shapes, to produce alloys, or to work in metals with very high melting points. In a steel-sintering plant a bed of powdered iron ore, mixed with coke or anthracite, is ignited by ...

Modelling the effect of sinter machine speed on bed temperature and coke combustion characteristics in iron ore sintering process. R. Seenivasan., A. V. B. Acharyulu., V. …

The sinter machine productivity has been correlated with the quality of materials used in sintering and also with process parameters of sinter machine. In earlier works, attempts have been made to correlate sinter machine productivity with process parameters using mathematical models. ... grain boundary diffusion and recrystallization …

Multi-objective Optimization of Integrated Iron Ore Sintering Process Using Machine Learning and Evolutionary Algorithms. Original Article. Published: 20 March …

Sintering is a complex industrial process that applies heat to fine particles of iron ore and other materials to produce sinter, a solidified porous material used in blast furnaces.

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 ...

Thermo Fisher Scientific offers advanced systems and equipment for all aspects of iron and steel manufacturing, particularly for measuring and controlling sintering process …

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 …

Volume 48, 2021 - Issue 7. 201. Views. 1. CrossRef citations to date. 0. Altmetric. Research Articles. Quality and productivity enhancement of sintering process …

The sintering process is used to agglomerate a mix of iron ore fines, return fines, fluxes, and coke, with a particle size of less than 10 mm, so that the resulting sinter, with a screened size of 5 mm to 30 mm, can withstand pressure and temperature conditions in the blast furnace (BF). The process of sintering of iron ore fines was primarily ...

Volume 9, Issue 3, May–June 2020, Pages 6001-6013. Original Article. Analysis of a compact iron ore sintering process based on agglomerated biochar and gaseous fuels …

Sinter is a product of the iron ore sintering process, which is a widely used pretreatment for ironmaking raw materials (Zhou et al., 2017a). More than 70% of the pig iron smelted in blast furnaces in China comes from sinter ( Zhou et al., 2018a ).

Due to the drastic change in iron ore qualities, maintaining consistency in sinter property has become a challenge for steel manufacturing industries, resulting the irregularities and disturbances in the blast furnace iron making. The present work aimed to develop a prediction model for physical, mechanical and high temperature properties of …

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; …

Sinter yield and strength were predicted by the method of numerical simulation in this study. An unsteady two-dimensional mathematical model for the iron ore sintering process was developed by taking most of the significant physical phenomena and chemical reactions into consideration. By employing FLUENT software and C language …

In the sintering process, the feed solids (mixture of iron ore fines, fluxes, solid fuel and steel plant reverts) are subjected to granulation, on-strand sintering, cooling and sizing to form product sinter. The productivity of sinter (i.e., flow rate of product sinter per unit area of the sinter strand) and quality of sinter depend on a host of

DOI: 10.1016/J.POWTEC.2021.05.063 Corpus ID: 236245698; A forecast model of the sinter tumble strength in iron ore fines sintering process @article{Qiangjian2021AFM, title={A forecast model of the sinter tumble strength in iron ore fines sintering process}, author={Gao Qiangjian and Hui Wang and Xiangyang Pan and Jiang Xin and Zheng …