What is shot blasting process
Shot blasting technology involves spraying iron microbeads (1.0-2mm in diameter) to the treated surface through one or more turbines. The non-contact cleaning of the surface of the workpiece using high-speed projectiles with the help of a shot blasting machine. The non-contact cleaning of the surface of the workpiece with the help of a shot blasting machine using high-speed projectiles to project the surface of the workpiece at a long distance. The working principle of shot blasting is to convert the kinetic energy of the projectile into an impact force on the surface of the workpiece.
The efficiency of shot blasting depends on the number, size, speed and direction of impact. During spraying, the softer part of the surface is removed, forming an extremely superficial irregular "orange peel" structure. The sprayed microbeads and garbage are sucked in by the vacuum cleaner connected to the shot blasting machine, a special filtering system. Iron microbeads will It is automatically separated from the garbage, cleaned and returned to the bead circulation. The garbage is separated into the output box. In order to ensure the recovery of the beads, a special high-horsepower vacuum cleaner (which is an integral part of the machine) can be paralleled with the shot blasting machine. Work. Shot blasting technology is currently the most common, efficient and reliable method used in the construction of roads and bridges in the world.
Characteristics and application scope of shot blasting equipment:
Operation and preparation are simple, clean up and evacuated at any time; construction all-weather, especially winter construction is not affected;
The construction operation is easier;
The cleaning speed and cleaning depth can be set according to the different conditions of the bridge deck; the cleaned surface is neat and beautiful;
The friction coefficient can reach 0.7~0.75, and the texture depth is ~0.45;
Derusting of steel plate can reach level 2.5-3
The whole process of the shot blasting process is dust-free, the impurities are completely recovered, and there is no residual material on the surface; no other auxiliary is required
Re-cleaning by assisting means; no other energy and resource waste;
Dry construction
Dispose of residues at the same time of construction