Intelligently-controlled dense type coal-fired baking house for drying tobaccos

The utility model discloses an intelligently-controlled dense type coal-fired baking house for drying tobaccos, which comprises a heating room 18, a tobacco baking room 19, a residual heat recovering layer 20 and an automatic control instrument, wherein the tobacco baking room is connected with the heating room by an air inlet 12 and an air return port, and the position of the air return port is provided with an air return regulating plate 8; one end of the tobacco baking room is provided with a tobacco charging door 17, the residual heat recovering layer is arranged between the top 22 of the tobacco baking room and the top 10 of the baking house, a dehumidifying pipeline 15 is arranged in the residual heat recovering layer, and the top of the tobacco baking room is communicated with the dehumidifying pipeline by a dehumidifying port 14; an air inlet door 16 of cold air, which corresponds to the position of the residual heat recovering layer, is arranged above the tobacco charging door; and the lower part of the heating room is provided with a heating furnace 2, the top of the heating furnace is provided with a heat exchanger 1, the top of the heat exchanger is provided with an airflow flow controlling plate 7, the lower edge of the airflow flow controlling plate is connected with an airflow baffle plate 13, and the top of the heating room is provided with a circulating fan 4 and is also communicated with the residual heat recovering layer by a cold air inlet 9. The utility model has the advantages of simple structure and low construction cost, the operation is convenient, energy resources are saved, the excessive combustion of coal is overcome, the baking process is executed in an intellectualized accurate temperature-control humidity-control way, and the baking quality of tobacco leaves is enhanced.