Research Article

Fully Mechanized Mining Technology and Practice of Water Conservation with Large Gravity Filling of Aeolian Sand-Like Paste

Table 5

Cost composition per ton of coal with Aeolian sand-like paste filling (unit: yuan).

Filling material (including sealing cloth)Depreciation fee of fixed assetsOperation cost of filling systemLabor costOtherTotal

55.28.21.27.19.881.5