This equipment is mainly used for transporting molding sand in the intermediate stage of black zone sand treatment in the field of lost foam casting. The working environment temperature is generally limited to between -10 ℃ and+100 ℃. According to the requirements of the conveying process, it can be transported by a single unit, or composed of multiple units or combined with other conveying equipment to form a horizontal or inclined conveying system to meet the needs of different types of operation lines.