Spray dryer with adjustable nozzle

The utility model discloses a spray dryer with an adjustable spray head, which comprises a dryer body and a material spraying pipe arranged on the dryer body, a material spraying spray head is connected in the material spraying pipe in a sliding manner, and a clamping piece contacted with the circumferential side wall of the material spraying spray head is arranged at the end part of the material spraying pipe. By arranging the adjustable cap sliding on the material spraying nozzle and changing the position of the adjustable cap, dislocation and alignment between the first material guide groove and the second material guide groove are achieved, dry materials are discharged from the second material guide groove during alignment, the material discharging speed can be adjusted according to the number of alignment holes, and the material discharging speed can be adjusted according to the number of alignment holes during dislocation. Materials are directly discharged from the through holes in the adjustable cap, s