HL series of chain bucket elevator i chain bucket elevator for benification use s a type of ring chain,which adopts the model of centrifugal unloading and dig-loading .and its traction machanism is two circular chains .in our company,this series is suitable for vertical conveying of the materials with the bulk density less than 1.5t/m³,the powdery and granular materials are easy to dig ,and the small lump materials have low abrasiveness,like coal ,cement , gravel, sand ,chemical fertilizer,and grains ,etc. besides, it can convey the materials with the temprarure below 250°C.