Energy-saving heat supply system capable of meeting wide-range heat load requirement

The utility model discloses an energy-saving heat supply system meeting the wide-range heat load requirement, and belongs to the technical field of heat supply systems. Comprising a conventional energy-saving heat supply equipment group and system, a conventional heat supply equipment group and system, a steam turbine and a condenser, the conventional energy-saving heat supply equipment group and system are connected with the condenser through an inlet pipeline, and the condenser is connected with the conventional heat supply equipment group and system through an outlet pipeline; the self-heating air exhaust pipeline is connected with the steam turbine through an air inlet pipeline, and the steam turbine is connected with the condenser through an air exhaust pipeline. Under the condition that the heat load requirement changes greatly, waste heat of different energy levels can be fully utilized, and the energy-saving performance of operation of a heat supply system is effectively improved; the method is suitab