Calculation the capacity of bucket wheel excavator the selective mining of overburden

Saša Ilić

doi:10.5937/podrad2036019i

Abstract

During open pit coal exploitation inevitably comes to land degradation. The negative changes, processes and consequences impose need for parallel working on sanitation and in general arranging destroyed natural areas. The one of sanitation criterion is implementation of reclamation which has a goal to restore completely or as much as it is possible, the destroyed area to its previous purpose. The priority has consistent conducting of technical reclamation of spoil in accordance with planned landscaping.

Highlights

Unified selective mining, conveyance and dumping of solum incorporates utilization of available ECS system equipment running at the top level of the open pit mine
Bucket wheel excavator running at the top level in the height block selectively mines the solum in the first cut of the height block, with the cut height equivalent to the thickness of solum, the excavator mines the fertile soil, that further on is conveyed by the existing conveyors up to the spreader at the waste dump
The analysis shows that the entire capacity of the bucket wheel excavator in the height block, during selective mining of the fertile soil (ECS – SRs 2000), reduced for 14,5 %

Summary

INTRODUCTION

Conveyance and dumping of solum incorporates utilization of available ECS system equipment running at the top level of the open pit mine. Bucket wheel excavator running at the top level (under terrain surface) in the height block selectively mines the solum in the first cut of the height block, with the cut height equivalent to the thickness of solum, the excavator mines the fertile soil, that further on is conveyed by the existing conveyors up to the spreader at the waste dump. Upon completion of one cycle of bucket wheel excavator mining of solum (deep down to the full cut depth), the excavator continues with mining of the remaining part of overburden in the height block. The spreader deposits those masses in the height block at the dump, representing a basis for the solum laying

SELECTIVE MINING OF OVERBURDEN IN OPEN PIT MINES

CAPACITY THE BUCKET WHEEL EXCAVATORS

Findings

CONCLUSIONS