Smoke exhaust draught fan box for bread production workshop

The utility model discloses a smoke exhaust draught fan box for a bread production workshop. The smoke exhaust draught fan box for the bread production workshop is composed of a top plate, a base plate, a side plate, a drive motor and draught fan blades. The top plate, the base plate and the side plate form a draught fan box cavity body, an air inlet and an air outlet are formed in the side plate, the draught fan blades are arranged in the draught fan box cavity body and are connected with the drive motor through a traditional device additionally, and the drive motor is arranged at the outer surface of the top plate. Water spray sprayers are arranged at the air inlet and the air outlet, and each water spray sprayer is composed of a spraying plate, a guide plate, a protecting plate and a spray nozzle. An air channel is formed between the draught fan blades and the air outlet additionally, and an air drawing plate is additionally arranged in the air channel. The air drawing plate is composed of a fixing air drawing plate and a flow guide air drawing plate, and adsorbent is arranged in one branch air channel. The smoke exhaust draught fan box for the bread production workshop is simple in structure, the using demand of normal air supply and air exhaust is satisfied, at the same time, cooling of air flow and absorption of harmful suspended solid and chemical particles in the air flow can be conducted when a disaster like a fire disaster occurs, and thereby the disaster resisting capacity of the air channel is improved.