Steel Pipe Internal Sand Peening Blasting Machine

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Steel pipe internal shot blasting (sand blasting peening )  machine is a new type of cleaning equipment for internal treatment of different sizes of steel pipes. It has super handling capacity. Different types of shot blasting or sand blasting peening equipment can be selected according to the diameters of the steel pipes . The shot blasting machine is driven by a hydraulic motor, and thesand blasting peening machine. Our company designs and produces steel pipe large-diameterinternal shot blasting machines and small-sized steel tube shot blasting machines with diameters below 300mm. The internal shot blasting machine adopts automatic shot blasting to remove the surface rust, and the high-speed abrasive flow thrown by the high-efficiency blast wheels to crush the oxide scale, rust layer and debris on the inner surface of the steel pipe, so that it can obtain a fine and bright surface The tensile and compressive strength of the workpiece can increase the adhesion of the inner surface paint protection to achieve the purpose of anti-corrosion, pipe protection and prolonging the service life of the steel pipe.

Steel pipes with small diameters use internal sand blasting peening machine and internal sand peening processing production line, mainly including mobile trolley, sand hopper, sand blasting tank, spray gun, spray gun carrier, steel tube supporting system, bottom abrasive belt conveyor, bucket elevator, Maintenance platform, separator, dust collecting system, bracket, pneumatic system, compressed air system, electronic control system.

The steel pipe internal shot blasting (sand blasting peening) machine is suitable for the internal surface treatment of steel pipe products, removes the surface oxide scale, welding slag and other debris, exhibits a metallic luster, and increases the surface area to facilitate the coating of the workpieces , Widely used in petrochemical, steel, urban central heating, water supply and drainage industries.

ModelSize of workpieces(mm)Cleaning speed(m/min)Cleaning length(m)Purpose
QGN200φ50mmφ200mm0.2~1.6m/min( 1 set of spraying gun)2000mm~14000mm Steel pipe internal sand blasting peening machine
QGN400φ200mmφ400mm0.2~3.0m/min( 2 sets of spraying guns)2000mm~14000mm
QGN1000φ400mmφ1000mm1.0~2.5m/min( 1 set of blast wheel)2000mm~14000mmSteel pipe internal shot blasting machine
QGN1500φ400mmφ1500mm0.8~2.0m/min( 2 sets of blast wheels)2000mm~14000mm


1.  Adopt parallel mechanism of workpiece rotation and lateral movement support.

2.  Steel pipes with a diameter of ≤400mm are process by sand blasting peening machine.

3. Steel pipes with a diameter of ≥400mm are processed by shot blasting,  and a special blast wheel for the internal steel pipe (driven by hydraulic motor, long arm shot blasting rod to transport abrasives) is used to realize the self-adapting of support position of the shot blaster and self-adjusting of blasting position.

4. Three-level dust collecting system has the advantages of high filtration accuracy, online blowback, and good cleaning effect.

5. The BE-type full curtain separator is used to achieve complete separation ofabrasives, slag and dust.

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