Closed type device for curing rock wool board through electric heating air circulation

The utility model provides a closed electric heated air circulation rock wool board curing device which comprises a curing furnace body, a curing furnace cover, a heat exchanger and a heat exchanger. The roller conveyor is positioned in the internal space of the curing oven main body and is used for conveying and supporting the rock wool board; the feeding port and the discharging port are located in the two side walls of the curing oven body in the conveying direction of the rolling shafts correspondingly and used for allowing the rock wool boards to enter and exit from the inner space; the heater is positioned at the bottom of the curing oven main body; the circulating port is positioned at the top of the curing oven main body and above the roller conveyor; and one end of the circulating pipeline is communicated with the circulating port, and the other end of the circulating pipeline extends into the internal space below the roller conveyor, so that the internal space above the roller conveyor is communicat