Application of an economy comparison model for mine cooling system technology
Auteurs-es
Miao Dejun
Chang Dehua
Tan Dongwei
Résumé
Being the existing complex selection method of mine cooling scheme and the incomprehensive index value,etc., with the specific circumstances of the high temperature mine, the paper put forward 13 index values, including the machine power, project investment, operation cost, etc,. established comparative model of technical and economic benefit of mine cooling system by using the objective entropy weight and TOPSIS method. Using objective entropy weight, the entropy weight of evaluation index and the weight decision matrix are determined, using TOPSIS method . the ideal solution and the negative ideal solution are determined . Using the closeness degree calculation the scheme sort, then the optimal scheme can be determined . To four cooling schemes in a mine, optimization calculation and comparison of are carried out by the model, scheme 4 is the optimal scheme for cooling system.