Coordinated mining method and system of residual coal resources of resource-exhausted mine

The invention relates to a coordinated mining method and system of residual coal resources of a resource-exhausted mine, and belongs to the technical field of underground coal mining. The coordinated mining method comprises the steps of determining a dynamic break-even point on the basis of the annual sales revenue and the mining cost of the mine, determining the remaining service years and the annual output of the mine, establishing a multi-objective optimization model for reasonable mining of the residual coal resources of the mine, and determining the reasonable mining yield of the residual coal resources of the mine. According to the coordinated mining method of the scheme, the remaining service years and the annual output of the mine are determined on the basis of the dynamic break-even point of the mine, so that the annual output of the mine is stably reduced year by year or stage by stage, mining plans of coal resources in different conditions are divided according to the proportion of the residual coa