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 …
Psychiatry. Recovery. Article PDF Available. A Method of Ore Blending Based on the Quality of Beneficiation and Its Application in a Concentrator. May 2021. …
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 ...
The current status of sintering intelligent optimal ore allocation and its research is outlined, the research work of domestic and foreign ironmongers is summarized, the existing methods and technologies of sintering intelligent ore allocation are analyzed, and the further development and improvement of sintering intelligent optimal ore allocation is …
This paper analyzes the iron ore resources at home and abroad, studies the sinter ore blending theory and the current ore blending situation, and expounds on the research progress of an intelligent ore blending model with an intelligent algorithm as …
It is an important means to solve this problem to seek the particle size matching between solid fuel and iron ore fines. The suitable matching mode of fuel particle size (d) and blending ore particle size (D) is as follows: d/D = 0.47 ~ 0.54. When the particle size of blending ore changes, the fuel particle size should be controlled …
A sintering burden blending model based on one-step optimization method and high-temperature characteristics of iron ore. A sintering burden blending model is an intelligent system used to obtain the optimal blending proportions of burdens with minimal sintering burden cost.
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 ...
The iron ore mine also uses contractors for cleaning purposes. The contractors use 40t payload Articulated Dump Trucks (ADT). 2.7 Quality/Grade Control. At the iron ore mine, the Run of Mine (ROM) is taken through a grade control process to check if the ROM meets the product specifications in respect to the physical properties …
These works are useful for understanding the optimization of ore blending based on replacing Aus- tralian low alumina limonite. On the other hand, the composition of iron ore, like SiO. 2, one of the main com- ponents of gangue, has an important influence on the sin- tering process. Many researchers have studied the influence of SiO.
Ore blending is the process of mixing different types of ores to achieve a desired grade and quality for processing. ... Grade of 2% copper, 10% silica, and 5% iron Ore B: Grade of 4% copper, 5% ...
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 …
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 …
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 …
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 ...
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 …
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%. …
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 …
Abstract. In order to obtain good sintering performance, it is important to understand sintering properties of iron ores. Sintering properties including chemical …
For production cost reduction, optimised blending ratios were designed according to ore prices and properties (microstructure, crystal water decomposition, …
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 deposits in the Northern Kazakhstan.
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 …
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 …
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 ...
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 ...
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 …
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 …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance.
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.