آخرین محصولات
Ore Sintering
Sintering emissions and their mitigation technologies. L. Lu, ... X. Li, in Iron Ore, 2015. 18.1.1 Key gaseous emissions from sinter plants. Iron ore sintering is a material preparation process employed worldwide in the production of iron and steel. According to statistical data on pollution, sintering plants rank second in terms of toxic …
Super-high bed sintering for iron ores: problems …
Super-high bed sintering process is an important development direction of iron ore sintering for its lower emission and higher yield. However, there is a lack of deep understanding of the uneven quality of super-high bed sintering products, and the deterioration of reduction disintegration performance, the thickening of hearth layer and …
Examining low nitrogen oxides combustion in iron ore sintering
Nitrogen oxides in iron ore sintering2.1. Emission characteristics. It has been determined that it is almost impossible to replicate technologies of low NOx combustion from other industries for iron ore sintering. Sintering is distinct from a coal-fired furnace, as it involves the three-way coexistence of gas, solids, and liquids.
Prediction and Optimization of Internal Return Fines Generation in Iron
Download Citation | On Jan 1, 2021, Srijith Mohanan and others published Prediction and Optimization of Internal Return Fines Generation in Iron Ore Sintering Using Machine Learning | Find, read ...
Iron Ore Sintering: Process: Mineral Processing and …
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.
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 …
[PDF] Application of deep learning in iron ore sintering …
DOI: 10.1007/s42243-024-01197-3 Corpus ID: 268502903; Application of deep learning in iron ore sintering process: a review @article{Gong2024ApplicationOD, title={Application of deep learning in iron ore sintering process: a review}, author={Yu-han Gong and Chong-hao Wang and Jie Li and Muhammad Nasiruddin Mahyuddin and …
A Novel Sintering Process for Porous Iron Ore Sintering …
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. The …
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
Recent progress in sustainable and energy-efficient …
The ultimate goal of the iron ore sintering process is to maximize the sinter productivity, strength, and reducibility (which are related to the energy consumption in …
Iron ore sintering
Like other sintering processes, iron ore sintering converts iron ore fines of often −8 mm in size into larger agglomerates, namely sinter, between 5 and 50 mm in particle size, which possess the physical and metallurgical characteristics as well as gas permeability required for efficient blast furnace operation.
Introduction of New Technologies in Sintering Machine …
existing sintering capacity deficiency. The Mosaic Embedding Iron Ore Sintering process (MEBIOS) was employed as a new major technology to cope with the possible future need for the use of fine ore in a great quantity in operation, and the selective granulation system consisting of an Eirich mixer
Physico-chemical profile and corrosion mechanism of the …
The blast furnace-converter long flow is the primary process of domestic iron and steel production. The sintering machine is an essential piece of equipment in the long flow, and the sintering process is carried out on the sintering trolley [2]. The sintering trolley is mainly composed of the trolley body, baffle, grate bar, and other vital parts.
Proposing a machine learning approach to analyze and …
The basic high-temperature properties of iron ore play a crucial role in optimizing sintering and ore blending, but the testing process for these properties is complex and has significant lag time, which cannot meet the actual needs of ore blending. A prediction model for the basic high-temperature properties of iron ore fines was thus …
Sintering Process
14th International Symposium on Process Systems Engineering. Haoran Li, Tong Qiu, in Computer Aided Chemical Engineering, 2022. 2.1 Process description. The sintering process is an important thermochemical process in the blast furnace ironmaking system. It involves the heating of fine iron ore with flux and coke fines or coal to produce a semi …
Modeling and Simulation of Heat Transfer Phenomena in an …
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 …
A Process Intensification Approach to Improve Productivity, …
Intensification of the iron ore sintering process was approached by injecting hydrogen-rich gas into the sinter bed. The location of the injection was critical to the pyrolysis of the solid fuel, and the SOx and NOx emissions. ... (2022) Characterization and in situ abatement of SOx, NOx, and PCDD/Fs in iron ore sinter machine wind legs. …
Factors influencing Sinter and Sintering Process
Effect of iron ore fines quality – In the sintering process, the main raw material used is iron ore fines, Quality of the iron ore fines influences the process of sintering to a great extent. An increase in the mean size of the iron ore fines promotes the productivity of the sintering machine, saves the specific fuel consumption but reduces ...
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. ... Large sintering machines …
Sinter Machine
The iron ore fines (− 10 mm) are agglomerated using Dwight Lloyed sintering machine. The iron ore fines and coke breeze fines mix with moisture is fed on the sinter bed which is ignited by a gas burner to initiate sintering process. The hot sintered ore is discharged at the end of the machine.
Iron Ore Sintering: Raw Materials and Granulation
Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain a product with suitable ...
An Intelligent Control Strategy for Iron Ore Sintering …
The sintering ignition is an important step in the sintering process and is the starting point of the entire combustion process. It is of great economic value and scientific value to stabilize the sintering ignition temperature in the case of the unstable gas pressure. An intelligent control strategy is proposed for the iron ore sintering ignition …
Mathematical modelling of iron ore sintering process using genetic
A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations.
Sintering
Fernández-González et al. : Iron ore sintering: Raw materials and granulation, where the concentration techniques used in the case of the iron minerals are described, as well as the current demand of iron ore in the world. The raw materials that are charged in the Dwight–Lloyd machine to be sintered are also described (iron ore, …
Application of deep learning in iron ore sintering process: a …
With the gradual completion of industrial data and the development of deep learning algorithms, deep learning has broad application prospects in iron ore sintering …
An efficient method for iron ore sintering with high-bed
It can be seen from Tables 1 and 2 that the blend with high iron grade has a high content of FeO (14.51 wt.%) because it consisted of 70 wt.% magnetite concentrate and 30 wt.% fine ore. The coke breeze has high fixed carbon content (83.37 wt.%) and low volatile matter content (1.57 wt.%). 2.2 Methods. The double-layer sintering process is …
Application of deep learning in iron ore sintering …
used to recycle iron-containing waste such as steel slag and dust sludge from the production process of steel mills, which reduces costs and protects the environment. Cur-rently, there are two methods of lumping: pelletising and sintering, of which sintering is the main method [35, 36]. The flow of the iron ore powder sintering process is
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 ...
Prediction and Optimization of Internal Return Fines Generation in Iron
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 …
Introduction of New Technologies in Sintering Machine …
existing sintering capacity deficiency. The Mosaic Embedding Iron Ore Sintering process (MEBIOS) was employed as a new major technology to cope with the possible future …
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