Miniaturized dry denitration system

The utility model provides a miniaturized dry-process denitration system which comprises a denitration frame, a vacuum hopper, a weighing hopper, a denitration agent guide chute, a receiving hopper, a vacuum pump, a high-pressure air pump and a denitration efficient mixer, the vacuum hopper is arranged at the top of the denitration frame, the vacuum pump is connected with the vacuum hopper, the weighing hopper is arranged below the vacuum hopper, the material guiding groove is formed below the weighing hopper, the material receiving hopper is arranged below the material guiding groove, the denitration efficient mixer comprises a feeding pipe and an air pressure discharging pipe, the high-pressure air pump is connected with one end of the air pressure discharging pipe, and the material receiving hopper is connected with one end of the feeding pipe. The feeding pipe is communicated with the air pressure discharging pipe, and a reducing piece and a reverse blowing preventing device are arranged at the communicat