Investigation of the Optimization of Unloading Mining Scheme in Large Deep Deposit Based on Vague Set Theory and Its Application

Table 3

Technical and economic indicators.

Schemes	Production capacity (t/d)	Cost (Yuan/t)	Ratio of mined tonnage to development (m/kt)	Dilution ratio (%)	Loss ratio (%)	Unloading capacity
I	817	5.06	3.25	4.71	2.06	0.58
II	987	4.65	6.50	5.01	2.07	0.66
III	1195	3.41	5.42	6.41	5.32	0.10
IV	850	5.50	4.67	4.82	2.06	1.00