The buried scraper conveyor is mainly composed of a closed section housing (machine slot), a scraper chain, a driving device. The utility model has the advantages of simple structure, small volume, good sealing performance, convenient installation and maintenance, multi-point feeding, multi-point discharging, flexible process selection and arrangement; when conveying flying, toxic, high temperature, flammable and explosive materials Can improve working conditions and reduce environmental pollution. Models are: general-purpose, hot-type, soda-only (common, high-efficiency), grain-specific, cement-specific, power plant-specific, etc., with a groove width of 120-1000mm.