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. …
اقرأ أكثر
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. ...
اقرأ أكثر
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, …
اقرأ أكثر
Life Cycle Assessment of Iron Ore Sintering Process
Iron ore sintering is an energy-intensive process associated with emission of pollutants in iron and steel industry. In order to comprehensively evaluate the environmental impacts of sintering, a detailed life cycle assessment of a sintering plant was conducted. ... (analyticalhierarchy process)methodintroducedinRefô€†°[ï¼'ï¼ ...
اقرأ أكثر
Sintering process of Iron Ore General.docx
2. a screened size of 10 mm to 30 mm, can withstand pressure and temperature conditions in the blast furnace. Principle of sintering Sintering is a thermal process (carried out at 1300 deg C to 1400 deg C) by which a mixture of iron ore, return fines, recycled products of the steel plant industry (such as mill scale, blast furnace dusts, etc.), slag forming elements, …
اقرأ أكثر
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.
اقرأ أكثر
Effects of Particle Size of Coke on Iron Ore Sintering Process …
Coke breeze is the main heat source in sintering process. Its combustion yields enough amounts of heat which melts the sinter mix. One of the factors that significantly affect the course of coke breeze combustion is its grain size [1,2,3].It is known that fine-grained coke reduces permeability of the sinter mix and the use of coke breeze with particle size below 1 …
اقرأ أكثر
Sintering
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
اقرأ أكثر
CO Reduction Process Technology and Development of …
Sintered ore is one of the main iron 50 charges used in blast furnaces (BF), accounting for about 75% of the blast furnace charge structure. 51 The energy structure of the sintering process in China is shown in Fig.3. In China, the annual 52 production of sintered ore exceeds 1 billion tons per year. As the iron ore sintering process is highly
اقرأ أكثر
Emission characteristics and control technology of heavy …
The municipal solid waste incineration fly ash (MSWI-FA) contains a large amount of heavy metals, and the process of iron ore sintering and treating fly ash needs to pay attention to the migration characteristics of heavy metals. The impact of the application of MSWI-FA in the sintering process on the emission law of heavy metals in the collaborative treatment …
اقرأ أكثر
Resource utilization of municipal solid waste incineration fly …
Main process of sintering pot trials includes the following steps: 1) The iron ore sintering raw materials and the MSWI fly ash were well-mixed; 2) The raw mixture was fed into a drum (Φ 600 mm × 300 mm) for granulating; 3) 1 kg hearth layer was charged into the sintering pot, then the granules were charged above hearth layer; 4) Sintering ...
اقرأ أكثر
Mathematical Simulation of Iron Ore Fines Sintering Process …
The fuel segregation distribution sintering process, with a high fuel dosage in upper layer and a low fuel dosage in bottom layer of the sintering bed, was studied to handle uneven heat distribution problems in the conventional iron ore sintering process. A mathematical simulation method was adopted to contrastively study the fuel segregation …
اقرأ أكثر
Sinter Quality and Process of Sintering Iron Ores – IspatGuru
Fig 1 Schematics of sinter mix and product sinter Sintering process is a generic term that is used to describe the process of agglomeration of a green mix of iron ores, fluxes and coke and plant solid wastes having a particle size of -10 mm so as to produce sinter which can withstand operating pressure and temperature conditions existing in a BF.
اقرأ أكثر
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 to identify the key ...
اقرأ أكثر
Numerical Modeling of the Iron Ore Sintering Process
Iron ore sintering involves the movement of a flame front down a particulate bed, and a series of physico-chemical reactions over a large temperature range.
اقرأ أكثر
Sintering
The sintering process can be defined as 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) with the objective of obtaining a product with the suitable characteristics (thermal, mechanical, physical, and chemical) to be fed to the blast furnace.
اقرأ أكثر
Recent progress in sustainable and energy-efficient technologies …
This review may provide a road map regarding the development of advanced sustainable and energy-efficient technologies for use in the iron ore sintering process. In particular, a general overview of alternative fuels and their impacts on the iron ore sintering process in terms of the sinter quality and CO 2 /NO x /SO 2 emissions is provided in ...
اقرأ أكثر
(PDF) Iron Ore Sintering: Process
Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming …
اقرأ أكثر
Application of deep learning in iron ore sintering process: a …
The production of blast furnace ironmaking depends on large part on the sintering of iron ore; thus, it is crucial to model, simulate, and optimise the sintering process in order to …
اقرأ أكثر
Recent advances in iron ore sintering
Abstract. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade iron ore, there have been considerable changes in iron ore resources available throughout the world, especially in steel mills in East Asia.
اقرأ أكثر
Reductants in iron ore sintering: A critical review
Moreover, the conventional iron making unit, i.e. blast furnace requires the raw material in the form of iron oxide with a size range of 10–120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of 0.5–8 mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...
اقرأ أكثر
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 …
اقرأ أكثر
Iron Ore 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 fuel (coke).
اقرأ أكثر
Super-high bed sintering for iron ores: inhomogeneous
Iron ore sintering was a semi-melting process. Firstly, iron ore particles reacted with fluxes and generated liquid phase at high temperatures. Then, the liquid phase combined the dispersive unreacted iron ore (usually the core of coarse particles), and the liquid phase recrystallized and formed the bonding phase during cooling [12, 13]. In the ...
اقرأ أكثر
Multi-time-scale TFe prediction for iron ore sintering process …
An iron ore sintering process is the first procedure of steel-making industry. It produces sinter for feeding into the blast furnace (BF). Empirical experiences show that a 1% decrease of iron grade (TFe) in produced sinter turns into a 2% increase of BF fuel ratio and a 3% decrease of BF output (Wang, 2011).So, the TFe is an important quality index for a …
اقرأ أكثر
Influence of Sinter Parameters on CO Emission in Iron Ore Sintering Process
Iron ore sintering is an agglomeration process of iron ore fines, fluxes, fossil fuel (coke and coal), and some iron-bearing waste materials in the ironmaking and steelmaking industry . Sinter is one of the main raw materials used in a blast furnace (BF) accounting for more than 70% ferrous burden of BF in China [ 2 ].
اقرأ أكثر
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 …
اقرأ أكثر
Clean recycle and utilization of hazardous iron-bearing waste in iron
DOI: 10.1016/j.jhazmat.2018.04.032 Corpus ID: 13677231; Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process. @article{Gan2018CleanRA, title={Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process.}, author={Min Gan and Zhiyun Ji and Xiao-hui Fan and Xu-ling Chen and Yang Zhou …
اقرأ أكثر
Iron Ore Sintering: Process
Iron ore sintering is a pretreatment step of smelting that agglomerates the iron ore using surface melting of green pellets to improve the quality of the steel product. The sintering process not …
اقرأ أكثر
Iron Ore 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 fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace.
اقرأ أكثر