煤炭资源开采系统评价

煤炭资源开采系统不仅要实现经济效益最大化，而且要最大限度地提高资源回采率，保护环境和发展循环经济。文中从国民经济的角度出发，详细分析了煤炭资源开采系统的目标和其主要影响因素（产量、售价、成本和投资）；确定经济净现值作为评价指标，考虑资源本身价值、矿井服务年限、资源回采率、环保投资比例等因素，建立了煤炭资源开采系统评价数学模型，用于计算经济净现值，优选煤炭资源开采系统方案；简要说明了该模型的求解方法，并以实例说明了模型的应用价值和考虑资源本身价值的重要性。

Assessment on the coal exploitation system

The coal resources exploitation system should not only get the best economic effect but also improve resources stoping rate as possible as it can,protect environment and develop cyclic economy.In view of the development of the national economy,this paper analyses the system's target and its main effect elements such as yield,price,cost and investment;takes economic net present value(ENPV) as evaluation index;considers the resource itself value,the service life of coal mine,resources stoping rate and the environmental protection investment proportion;establishes a system evaluation mathematical mode to calculate ENPV and choose system project,expounds its solution and application value by example.