Weighing and dosing systems for mining and metallurgy

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Authors:

R.K.Kamarov, Cand. Sc. (Tech.), Assoc. Prof., Karaganda State Technical University, Karaganda, Kazakhstan

V.S.Portnov, Dr. Sc. (Tech.), Prof., Karaganda State Technical University, Karaganda, Kazakhstan

V.M.Yurov, Cand. Sc. (Phys.-Math.) , Assoc. Prof., Karaganda State University named after E. A. Buketov, Karaganda, Kazakhstan

V.O.Kolesnykov, Karaganda State University named after E. A. Buketov, Karaganda, Kazakhstan

Abstract:

Purpose. Development of models, algorithms, and conveyor scales of new generation by modern design and element base, ensuring accuracy class (1–0.5), using modern methods of information processing and analysis, as well as development of weighing systems for conveyors having a short length and operating under high dynamic loads and shocks.

Methodology. Methods of thermodynamics and analogies for design, analysis parameters and functioning of measuring systems are used. New software of microprocessor controls and top-level ability to instantly analyze the state of the object and to control actuators of dosing devices timely and accurately has been developed.

Findings. The model and algorithm of dynamic weighing by conveyor scales have been proposed connecting the measuring device with parameters of material to be weighed and the environment. A new generation of conveyor scales by modern design and element base are created.

Originality. First, models and algorithms of measuring systems using the method of analogy and nonequilibrium thermodynamics have been developed. On the basis of these models the cost-effectiveness and feasibility of their design, heredity, life cycle, vitality and resources are evaluated.

Practical value. To improve the efficiency of transportation of ore, coal and other bulk material conveyor scales of a new generation were created using modern design and element base. New models of information-measuring systems, dynamic weighing and conveyor scales are proposed. The first generation of automated electro tensoresistive conveyor scales complex is used at enterprises of Kazakhstan: Iron and Steel Works JSC “Mittal Steel Temirtau”, JSC “Kazchrome” Donskoy, Aktobe Ferroalloy Plant, Aksu Ferroalloy Plant, Mining Group Kazmarganetc, Sokolov-Sarbay Mining and Processing Production Association (SSGPO), Eurasian Energy Corporation (EEC), etc.

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