煤矿机械设备是煤矿企业从事生产、创造效益的物质基础。在设备选择时除考虑设备的功能外,还要考虑设备购置及运行的经济性。另外,煤矿机械设备更新时间的确定要依据于设备的经济寿命,以使企业尽量降低设备的使用成本,从而提高企业的经济效益。就是通过对技术经济的应用,找到设备选择的决策依据及设备经济寿命的确定方法,以达到企业高效生产的目的。 Coal mine machinery and equipment business is engaged in production, create the material benefits of the foundation. In addition to consider the equipment in the choice of equipment functions, but also consider the equipment purchase and operation of the economy. In addition, coal mine machinery and equipment to determine the update time to be based on the economic life of equipment, so that enterprises minimize the use of equipment costs, thereby enhancing the economic efficiency of enterprises. Through the application of technology and economy, we can find out the decision-making basis of equipment selection and the method of determining the economic life of equipment so as to achieve the goal of efficient production.