Road shot blasting machine can be a concrete surface slurry, impurities clean up, and can be on the surface of the concrete wool treatment, so that the surface uniform rough, greatly improve the waterproof layer and concrete base adhesion strength, so that the waterproof layer and the bridge deck better combination, but also can be fully exposed to the cracks in concrete, play a preventive role.
The principle of concrete floor shot blasting machine
Road shot blasting machine is the use of motor driven shot blasting wheel in the process of high-speed rotation of centrifugal force and wind, a certain granularity of the projectile into the shot tube (can control the flow of the projectile) will be accelerated into the high-speed rotation of the shot parting wheel, under the action of centrifugal force, the projectile from the window of the shot parting wheel thrown into the directional sleeve, Then through the directional sleeve window (control the projectile throwing direction) thrown, picked up by the high-speed rotating blade, and along the length of the blade accelerated motion until thrown out, thrown projectile form a certain fan flow beam, impact on the working plane plays a role in cleaning and strengthening. The projectile then passes through the rebound chamber with dust and impurities to the top of the storage hopper. The high-power dust collector separates the pellet material from the dust through the separation device above the storage hopper. The pellet material enters the storage hopper for continued recycling, and the dust enters the dust collector through the connecting pipe. When the dust into the dust collector, through the separation of the filter element, stay in the dust storage hopper and the surface of the filter element. The automatic backblow filter can clean each filter element automatically by the backblow air provided by the compressor. Finally, the machine is cleaned by the air flow of the supporting vacuum cleaner, and the pellets and the impurities are recovered respectively, and the pellets can be used again. Shot blasting machine is equipped with dust collector, which can achieve dust-free and pollution-free construction, which not only improves efficiency, but also protects the environment.
Application of concrete floor shot blasting machine
1. It is used to improve the roughness and friction coefficient of asphalt pavement, so as to improve the adhesion of pavement and ensure the safety of driving. At the same time, asphalt pavement attachment (such as fuel, oil, etc.) also has nowhere to escape, so it can improve the anti-skid performance of the road surface;
2. Steel deck anticorrosive coating
In our country, the application of shot blasting technology in steel bridge antisepsis coating cannot be denied. Most Bridges under construction and built before anti-corrosion primer or other spraying will choose to use the shot blasting process for surface cleaning and roughness treatment. The shot blasting machine used in Qingdao Cross-bay Bridge, shot blasting process for steel bridge deck can meet the requirements of SA2.5/SA3 plate cleanliness, and can control the roughness, to meet the user's coating requirements. The whole process is dust-free operation, easy to move. It is both environmentally friendly and convenient.
3. Maintain the tunnel
In our country, cement concrete is generally used for the pavement of tunnels for the consideration of waterproofing and material combustion resistance and oil resistance. However, it also puts forward higher requirements for skid resistance of tunnel surface. For the above two problems that are still difficult to solve in our country, shot peening technology is a treatment method with simple construction, small equipment investment, remarkable effects and environmental protection.
In the concrete bridge deck waterproof pavement, shot blasting process has been the requirements of the European and American countries, and it is gradually accepted in China, all adopt the shot blasting process to maintain the concrete pavement.
4. Preventive maintenance of airport runways
The use of road surface shot blasting machine will be the concrete and asphalt runway on the tire track, marking removal problems become easy and simple. Removing tread (removing rubber), removing marks, restoring and increasing the surface roughness of the airport runway, improving the friction coefficient of the runway, etc., are the processing range of road surface shot blasting machine. And in the process of handling, the road shot blasting work is orderly.
5. Municipal roads and paved surfaces
All kinds of road pavement in the city can be cleaned by shot blasting machine, remove the road markings, on the busy traffic intersection, the road can be pulled, improve the road roughness and friction coefficient. Reduce problems in pavement construction. Therefore, the auxiliary role of road shot blasting machine for urban construction is gradually standardizing our life and making it convenient
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