Науковий вісник НГУ

Methodical maintenance of automatic way of transient regimes control for deep-water airlift hydraulic hoistings

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Category: Mining

Last Updated on 19 February 2013

Published on 16 November 2012

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Authors:

Ye.A. Kirichenko, Dr. Sci. (Tech.), Professor, State Higher Educational Institution “National Mining University”, Professor of the Mining Mechanics Department, Dnipropetrovsk, Ukraine

V.Ye. Kirichenko, Cand. Sci. (Tech.), State Higher Educational Institution “National Mining University”, Assistant Lecturer of the Department of Automation and Computer Systems, Dnipropetrovsk, Ukraine

V.G. Shvorak, Cand. Sci. (Tech.), Assoc. Professor, State Higher Educational Institution “National Mining University”, Senior Lecturer of the Mining Mechanics Department, Dnipropetrovsk, Ukraine

V.V. Yevteyev, State Higher Educational Institution “National Mining University”, Postgraduate Student, Dnipropetrovsk, Ukraine

N.N. Khvorostyanoy, State Higher Educational Institution “National Mining University”, Student, Dnipropetrovsk, Ukraine

Abstract:

The article is devoted to creation of mathematical support for automated way of transient modes control in deep-water airlift installations.

The purpose is reached by means of mathematical simulation on meta-, macro- and micro- levels of the most typical transient processes in the basic technological units of underwater equipment. The primary result of the research is the mathematical formulation of hydraulic hoisting basic elements: metering device, supply and elevating pipes, mixer, pneumatic pipeline, compressor and receiver. The developed mathematical support describes distribution of shock and kinematic waves in hydraulic hoist pneumatic-hydraulic paths as well as transient processes in the power equipment. It formed the basis for software development which allows defining the basic transient processes parameters for installations with different productivity and mining depths. By means of developed software the productivity of deep-water airlift installation per hour which provides daily norm performance of mineral mining is obtained. The technical solutions which reduce duration of transient processes by the way of reduction of number of starting operations and provide stability of non-stationary processes in elements of hydraulic hoist are offered.

References:

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