The utility model discloses a kind of double-circulation air
flue chemical
raw material thawing heating boxes, it is related to heating box technical field, including box, door and heating
pipe, the outer surface rotationally connected of pivot has locating sleeve, the upper surface of locating sleeve is installed with carousel, gear is meshed with the
gear wheel of toothed disc, the output shaft of motor is connected with transmission shaft, the upper side of wind box is connected with first flow guide
pipe, the upper side of heating box is installed with second flow guide
pipe, it can be through the cooperation between pivot, locating sleeve, carousel and motor, pivot and locating sleeve can provide support force for carousel, keep the stability of carousel when rotating, motor is power source, provide power for gear rotation, carousel receives the power of gear through toothed disc, so that carousel has rotating function, chemical
raw material is driven to rotate simultaneously by carousel rotation, chemical
raw material is evenly contacted with heat while rotating, improve the heating uniformity of chemical raw material.