System and method for regulating non-energy-consuming complex environment in mine based on compressed air energy storage

A system for regulating a non-energy-consuming complex environment in a mine based on compressed air energy storage, comprising:

• a compressed air energy storage power station, an air capturing and pressure stabilizing device, an air purifying device, and a flow velocity and rate regulating device, and an intelligent decision-making and coordinated control system;
• wherein the compressed air energy storage power station is constructed in an operating mine that is provided with an underground mining cavern;
• the compressed air energy storage power station comprises a turbine unit that is provided with an air delivery pipe for discharging air produced by energy release for power generation;
• an air inlet of the air capturing and pressure stabilizing device is disposed within the air delivery pipe;
• the air capturing and pressure stabilizing device comprises a valve seat, a valve core, a pressure monitoring assembly, and a driving mechanism, wherein an air inlet and an air outlet are provided at upper and lower ends of the valve seat, respectively;
• the air inlet is tapered;
• the valve core comprises three layers of umbrella-shaped valve discs spaced apart along a vertical direction;
• the pressure monitoring assembly is arranged inside the valve seat and comprises a monitoring chamber, a diaphragm, an elastic piece, a pressure pointer, and a contact conductor;
• the monitoring chamber has an upper portion provided with a detection opening and an interior provided with the diaphragm;
• the interior of the monitoring chamber is divided by the diaphragm into an upper air cavity and a lower air cavity;
• the elastic piece is vertically arranged and connected to the diaphragm;
• the pressure pointer is connected to the elastic piece;
• the contact conductor is vertically and fixedly arranged on a side of the pressure pointer;
• the pressure pointer is in vertically sliding contact with the contact conductor such that the pressure pointer and the contact conductor form a sliding rheostat structure;
• and the driving mechanism is connected to the valve core to drive the valve core to move up and down;
• the air purifying device is connected to the air outlet of the valve seat, and comprises a multi-stage filter unit, a gas humidity regulation unit, and an ultraviolet sterilization unit that are connected in sequence;
• the flow velocity and rate regulating device is connected to the air purifying device and the underground mining cavern;
• and
• the intelligent decision-making and coordinated control system is connected to the air capturing and pressure stabilizing device, the air purifying device, the flow velocity and rate regulating device, and environmental sensors distributed within pipes and the underground mining cavern, and is configured to:
• receive a real-time pressure signal from the pressure monitoring assembly, a flow rate feedback value from the flow velocity and rate regulating device, and temperature, humidity, and gas and dust concentration data from the environmental sensors within the underground mining cavern;
• calculate, using a multi-objective optimization algorithm, a preset pressure and a target flow velocity and rate meeting environmental requirements of the underground mining cavern;
• and issue execution instructions to the air capturing and pressure stabilizing device, the air purifying device, and the flow velocity and rate regulating device, enabling precise control of the pressure and the flow velocity and rate of air input to the underground mining cavern.