Coal-storage cabin

The utility model relates to a coal-storage cabin which is characterized in that the utility model comprises one upper coal cabin, one heating cabin of which the top is connected with the upper coal cabin, one upper and one lower partition boards, a plurality of coal falling pipes, one air inlet arranged on the lower part of a heating zone, one exhaust outlet arranged on the upper part of the heating zone, one coal outlet arranged at the bottom of the heating cabin, one steam outlet arranged on the upper part of an upper coal zone, one draught fan connected with the steam outlet through a pipeline, and one air inlet, wherein the heating cabin is divided into an upper coal zone, a heating zone, and a lower coal zone by the upper and the lower partition boards; both ends of each coal falling pipe are respectively connected with the upper and the lower partition boards and are respectively communicated with the upper and the lower coal zones; the air inlet and the steam outlet are relatively arranged on the other side of the upper part of the upper coal zone. High-temperature waste gas discharged by the utility model through making use of a boiler system can carry out heating and drying process for coal powder in the cabin; the utility model can solve the problems of nonuniform coal supply of the boiler system caused by the high outside water content of the coal powder as raw materials, and the is not increased.