Air convection formula crushing apparatus with preliminary shredding function

The utility model discloses an air convection formula crushing apparatus with preliminary shredding function, the on -line screen storage device comprises a base. The top of base is provided with crushing case, the inside of smashing the case is provided with material rack and reducing mechanism, the top of filter is provided with the preliminary room of smashing, preliminary top of smashing the room is provided with the backup pad, the top of backup pad is provided with the inlet pipe, smashes the motor to become with the dust absorption nest of tubes, the utility model discloses simple structure, reasonable in design, convenient to use, gas input device and gaseous withdrawing device's setting, can through the gas input device will hot gas input to smashing the case, carry out shredding to the material, then passing through gases withdrawing device is with gas outgoing for the device forms the air convection, can be continually add thermal treatment to the material, and can not make the pressure of smashing