Pre treatment of sandblasting inner wall of sandblasting room pipe with automatic sandblasting and sand collection

Selection of Sandblasting Spray Gun for Inner Wall of Pipeline: Due to the need for sandblasting on the inner wall of the pipeline by the demand party, ordinary spray guns cannot meet the requirements for sandblasting on the inner wall of the pipeline. Based on the diameter size provided by the demand party, there are two types of spray guns for sandblasting on the inner wall of the pipeline: loose sand head type and rotating type; In general, for pipelines with a diameter of less than 300MM, the loose sand head mode is used, while for pipelines with a diameter between 300MM-900MM, the rotating head mode is used. Pipeline inner wall sandblaster; In terms of materials, there are hard alloy tungsten steel and boron carbide. The choice of material depends on the sand material used.