Preheater is polygonal vertical stru師愛cture, and composed of the fe山著eding tube, heater b劇生ody, top bin, hydraulic pushing device, transfer c樂生hute, etc.
The top material bin is with a民好 material level contr遠這oller, to control t場紙he material layer height. Limestone會中 move into the vertical preheater, through sliding tube 近歌and have the effect of sealing to制理 prevent the cold air into th林道e preheater.
