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The Controlling of Energy Saving on the Mining Machinery

  • Date Submitted: 11/20/2012 12:51 AM
  • Flesch-Kincaid Score: 43.4 
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The mentioned blocks permit that within a model zone, where analysis and preparation works are carried out, constructive and project designs are studied with the aim to estimate the installed power at machines, then working and technological parameters, as well as the adjustment of natural factors with the opening of the pit. In case the solutions within the construction and the project are correct, they are applied at the block of the existing technological process, namely the zone of the input data.

A model for analysis and monitoring of energy consumption was made at the Department of Surface Mining, Faculty of Mining and Geology in Belgrade, headed by Prof. dr Radomir Simic. The model consists of four main blocks as follows: analytic block for structural design. Analytic block for project design, correction for technological block and a block for existing technological process. The main part of the model represents the determining of standards and recording, thus allowing computer preparation and modelling in the coding and modelling zone. The final part of the model represents the zone of optimization and output data where the technological, spatial and organizational parameters are optimized and where the realized specific energy consumption and the economic effects are determined.

Elaboration of the said models was carried out by dr Miodrag Gomilanovid in the conditions of the “Potrlica” coal open pit mine in the Pljcvlja coal basin.

Excavation of overburden and interlayer tailing is carried out at several levels from 5 to 15 meters, in high and depth, by bucket dredgers and draglines, with shovel bucket volume from 4 to 15 m3. Prior to excavation, drilling-blasting works on coal are performed as well as the works on interlayer tailing in almost entire hanging wall – overburden. Only the surface part of overburden, composed of humus and alluvial (pebble, sand and clay) is not blasted.

The annual coal capacity of the “Potrlica” coal open pit mine...

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