-Scope of application, -

Steel pipe inner wall shot blasting machine utility model relates to a steel pipe inner wall strengthening sandblasting with a spray gun, which has a nozzle and a spray rod, the nozzle is assembled in the front end of the spray rod, the nozzle has an outer tube and a deflector core, the front end of the deflector core has a larger head end, in the nozzle deflector core and the front opening of the outer tube to form between the front end of the formation of an annular gap for the sand, shot, air mixed flow sprayed out.

When sandblasting, air energy and steel shot gathered in a narrow ring-like gap spray, can be generated along the inner wall of the steel pipe circumferential distribution of uniform resistance to high-temperature oxidation corrosion of the hardened layer. Can make the oil, rust, black paint on the inner surface of the steel pipe after sandblasting to clean up the inner surface of the steel pipe to strengthen and show a metallic luster to increase its surface area for workpiece spraying, painting. The spray bar is a straight austenitic stainless steel tube, the length direction is not plasticity can ensure that the speed of shot blasting in the whole length of the steel pipe to maintain a constant in the steel pipe to generate uniform hardening layer in the inner wall of the steel pipe; in addition, the shape of the spray bar adopts a large aspect ratio of the flexible design to help the nozzle and the inner wall of the steel pipe automatically centered sandblasting.

Machine advantages:

1.Enhance the corrosion resistance of mechanical products and metal profiles

2.Enhance the fatigue resistance of steel pipes and extend their service life

3.Optimize the surface process condition of the steel pipe

4.It is conducive to the blanking and precise blanking of CNC cutting machines

5.Since the shape of the steel pipe is relatively regular before it is processed, it is conducive to mechanical rust removal and automatic spraying of anti-rust liquid

6.Greatly improve the cleaning efficiency

7.Reduce the labor intensity of the cleaning work

8.Reduce environmental pollution