Kk Surface Miner

Krishna Kant Indian Institute of Management Calcutta TECHNO-ECONOMIC FEASIBILITY ANALYSIS OF SURFACE MINER Vs SHOVEL IN COAL MINING

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Agenda

DRILLING BLASTING EXCAVATION UNLOADING AT CRUSHING PLANT HAULAGE Mining with Shovel –Dumper combination Shovel

[object Object],[object Object],[object Object],[object Object],[object Object],Direct loading Crushed aggregate Continuous cutting Clean, level & stable surface Precise cutting depth Drilling Blasting Loading Crushing Continuous Surface Miner + + + Why Surface Miner?

[object Object],[object Object],[object Object],[object Object],Turn Back Method Working Principle of Surface Miner

SIDE CASTING INDIRECT LOADING ( WINDROW) DIRECT TRUCK LOADING Various mining methods using Surface Miner

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],In general surface miners are capable of cutting rocks of hardness b/w 10-80 MPa. Under certain circumstances (E.g. Highly fractured material) even harder material can be cut economically. Applicability

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Favoring Issues

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Advantage with Windrow method Surface Miners in use

[object Object],[object Object],[object Object],[object Object],[object Object],Sustainability with Surface Miner

[object Object],[object Object],[object Object],[object Object],[object Object],Remark: Cost incurred due to dilution of coal with waste has not been included Calculations Cost benefit analysis-Mandakini Coal Mine

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Conclusion

[object Object],[object Object],[object Object],[object Object],[object Object],References

S.No. Cost in Rupees/MT SHOVEL SURFACE MINER (WINDROW) SURFACE MINER (DIRECT LOADING) 1 Total Owning & Operating Cost per MT 12.42 14.30 24.33 2 Drilling -Total Owning & Operating Cost per MT 2.57 - - 3 Blasting Cost per MT 18.13 - - 4 Primary Crushing-Total Owning & Operating Cost per MT 4.56 - - 6 Loader for loading in dumper -Total Owning & Operating Cost per MT - 14.92 - 7 OVERALL COST PER MT WITH LOADER 37.69 29.22 24.33

Kk Surface Miner

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