Matsuy A. Automated control of grinding sands in ball mills taking into account identification of the ore/water ratio

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0410U005987

Applicant for

Specialization

  • 05.13.07 - Автоматизація процесів керування

29-10-2010

Specialized Academic Board

К 23.073.02

Central Ukrainian National Technical University

Essay

The object of research is the technological process of grinding ball mill, sand. The aim is to enhance the performance of a ball mill to the finished product and reducing the cost of electric energy balls and lining by obtaining solutions to improve the management of the formation ratio of the ore / water in the desert, grinding technological units, an automated system for data management processwarped to the analytical curves liquefaction and transportation of the pulp. Methods: a scientific generalization and systematization; theoretical basis of material balance, making differential equations, automatic control, vibration exposed surfaces, random processes, and methods of the theory of hydrostatics; methods of energy balance, the theory of invariance, the theory of digital control systems, digital filters and systems with incomplete compliance with the terms of invariance. The steady-state value of the level of pulp in the central part of the receiver cochlear feeder is an indirect assessment of the cost of sand and water double-stranded classifierand averaged in a variable range of the ratio of the ore / water - an indirect estimate of the missing water flow in a ball mill. For the first time, a new criterion for evaluating the ratio of the ore / water. For the first time the analytical dependence ball mill for dilution of the pulp canal; cochlear feeder through the level of pulp and the ratio of the ore / water; sand trough of the classifier; mean square error of belated information to the correlation function of random process, open the hydrostatic drive. Proved the change of oscillation and amplitude of the pulp in the central part of the receiver cochlear feeder from its level at rest, the presence in all modes of sites with the same values and level of compliance with the average sustainable. Justified by large deviations dilution of the pulp in the transition process in the automation control grinding ball mill, sand and the presence and magnitude of the minimax criterion in determining the rate of change in discrete thinning pulp.

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