Mining & mineral processing solutions | Malvern Panalytical
Malvern Panalytical's cross-belt analyzers allow direct and safe detection of ore variations as well as fast counteractions on changing ore composition. Early and accurate ore blending and sorting saves millions during downstream processing. It ensures a homogenous output towards the beneficiation plant and avoids the processing of low …
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Ore blending ratio optimisation for sintering based on iron ore …
The iron ore blend for sintering depends to a great extent on ore properties. It is hard to determine the final sinter reducibility from the reducibility and ratio of single iron ores in a mixture. For production cost reduction, optimised blending ratios were designed according to ore prices and properties (microstructure, crystal water ...
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Optimum blending of iron ore from Choghart stockpiles by using goal
Iron and steel industry is an important sector of Iran's economy. Choghart iron ore mine is an important iron ore producer of Iran steel industry. Phosphorous contained in the iron ore concentrates of Choghart mine has a detrimental effect on the steel making process, whereby this causes cracks to form in the refractory lining of …
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Solving the iron ore blending problem
The iron ore grade has to satisfy customer and/or down stream process requirements (crude iron production) at all points in time of the future production schedule. At the same time, considering the future demand schedule, high- and low- quality contents must not exceed the specified range, as uniform production feed would otherwise not be ...
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A novel blending principle and optimization model for low …
It leads to deviation and lag in optimization process of ore blending. Sintering is a typical high-temperature reaction process. The physical and chemical properties of iron ore fines under high temperature directly affect its sintering performance. ... Firstly, this model takes the minimum iron ore blending cost as optimization function, …
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High-temperature performance prediction of iron ore fines and the ore
The high-temperature performance of iron ore fines is an important factor in optimizing ore blending in sintering. However, the application of linear regression analysis and the linear combination method in most other studies always leads to a large deviation from the desired results. In this study, the fuzzy membership functions of the …
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A model-based expert control strategy using neural …
Two important aspects of the control of the coal blending process in the iron and steel industry are computation of the target percentage of each type of coal to be blended and the blending of the different types in the target percentages. This paper proposes an expert control strategy to compute and track the target percentages …
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A novel blending principle and optimization model for low …
According to the complementary principle of the basic properties between iron ores, the blending model takes the minimum blending cost as optimization objective, …
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Ore-blending optimization model for sintering process …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices are proposed to represent chemical composition, granulating properties and high temperature properties of iron ores. After the relationships between iron ore …
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Intelligent Optimization and Control of Raw Material Proportioning
This section describes the coal blending process and iron ore sintering process, and the configurations of the intelligent optimization and control system. 2.1.1 Process Description and Characteristic Analysis. A coal blending process is shown in Fig. 2.1. Various kinds of raw coal from different mines are classified according to their ...
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(PDF) A case study on blending raw ores at open pit …
The paper presents a model of blending stockpile, which has been developed as a module of a decision support system, and applied to a real-life ore blending process at mineral and iron ore ...
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Recommendation Method of Ore Blending Based on …
The whole ore blending process is divided into three parts: blanking recommendation, parameter calculation and result correction. In the part of blanking recommendation, a case-based recommendation system is used to recommend the concentrate list. ... Kai-Lin, H.U., Ping, L.I.: The optimized scheduling for iron-making …
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Ore blending ratio optimisation for sintering based on iron …
For production cost reduction, optimised blending ratios were designed according to ore prices and properties (microstructure, crystal water decomposition, …
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Sintering Properties and Optimal Blending Schemes of Iron …
According to the analysis of each ore's sintering properties, an ore blending scheme (Chinese concentrates 20% + Brazilian ores 40% + Australian ores 40%) was suggested. Moreover, sinter pot test using blending mix was performed, and the results indicated that the ore blending scheme led to good sintering performance and …
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Optimization of iron ore blending in the COREX shaft …
The adhesive powder on the particles was brushed off with water, and then the large-size iron ores were dried in an oven at 373 ± 5 K for 12 hours. The reactor tube was heated from room ...
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Modeling and Scheduling Optimization for Bulk Ore Blending Process
A new scheduling model for the bulk ore blending process in iron-making industry is presented, by converting the process into an assembly flow shop scheduling problem with sequence-depended setup time and limited intermediate buffer, and it facilitates the scheduling optimization for this process. To find out the optimal solution of …
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A novel blending principle and optimization model for low …
Sintering is a typical high-temperature reaction process. The physical and chemical properties of iron ore fines under high temperature directly affect its sintering performance. Fumio Matsuno et al. [14] proposed the assimilation capability of iron ore firstly, to described the reaction ability between iron ore and CaO at high temperature.
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Research on the Quality Improvement and Consumption …
The statistical model of the ore blending results shows that (1) a blending ratio of 47.2% Ore A and 52.8% Ore C corresponded to the best sinter yield of 72.44%. …
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Research on the Multiobjective and Efficient Ore-Blending …
In order to solve the problems of a slow solving speed and easily falling into the local optimization of an ore-blending process model (of polymetallic multiobjective open-pit mines), an efficient ore-blending scheduling optimization method based on multiagent deep reinforcement learning is proposed. Firstly, according to the actual …
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Intelligent Recommendation Framework for Iron Ore …
Optimization of sinter ore allocation is a key step in the steel production process, which has become the most important measure for steel enterprises to effectively reduce cost, improve quality, save energy and reduce emissions. In this paper, the first intelligent recommendation model for the sintering dosing scheme considering cost, …
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Metals | Free Full-Text | Automatic Ore Blending …
In actual sinter production, batching is a complex metallurgical and mathematical problem. Aiming at the problem of the precising batching of iron ore in the process of sintering batching, an automatic batching algorithm based on a Cartesian product to batch sinter was proposed for the first time. When the algorithm is applied to …
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Ore-blending optimization model for sintering process …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices are proposed to represent chemical composition, granulating properties and high temperature properties of iron ores. After the …
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Ore-blending optimization model for sintering process …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In …
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Ore-blending optimization model for sintering process …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices ...
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Modeling and Scheduling Optimization for Bulk Ore Blending Process
Abstract. A new scheduling model for the bulk ore blending process in iron-making industry is presented, by converting the process into an assembly flow shop scheduling problem with sequence-depended setup time and limited intermediate buffer, and it facilitates the scheduling optimization for this process. To find out the optimal …
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Iron processing
The partially reduced ore is then smelted in the second unit, and liquid iron is produced. Smelting-reduction technology enables a wide range of coals to be used for iron making. Iron processing - Ores, Smelting, Refining: Iron ores occur in igneous, metamorphic (transformed), or sedimentary rocks in a variety of geologic environments.
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Ore-blending optimization for Canadian iron concentrate …
Iron ore sintering is a process of agglomerating the mixture of iron ore, flux, and fuel into the sinter, which is the main iron-bearing burden for blast furnace …
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Optimization of iron ore blending in the COREX shaft furnace
Ore matching principles were proposed and five optimized iron ore blending schemes designed and verified by laboratory experiments to prove the effectiveness of the improved evaluation method.
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Analysis on the Development of Sintering Intelligent Optimal Ore Blending
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance.
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