Precautions for installing self-cleaning screens for mines: ensuring efficiency and safety
Since its unique self-cleaning function, self-cleaning screens for mines can effectively prevent clogging of screen holes and improve screening efficiency.
Since its unique self-cleaning function, self-cleaning screens for mines can effectively prevent clogging of screen holes and improve screening efficiency. They are widely used in industrial fields such as mines and quarries. However, the correct installation method and precautions are essential to ensure the efficient operation of the screen and extend its service life. This article will introduce in detail the key points to pay attention to when installing self-cleaning screens for mines, helping you avoid common mistakes and ensure the stable operation of the equipment.
1. Choose the right screen material and specifications
Before installing the self-cleaning screen for mines, you must first choose the right screen material and specifications according to the characteristics of the material and working conditions. Common screen types include diamond anti-blocking screens, corrugated anti-blocking screens, triangular anti-blocking screens, and strip anti-blocking screens. For example, diamond anti-blocking screens are suitable for screening with high stone grading requirements and more flake materials; corrugated anti-blocking screens are suitable for screening of intermediate transition properties, such as screening of tailings.
2. Check the integrity and quality of the screen
Before installation, carefully check whether the screen is intact, including the mesh surface, frame, pressure strips, etc. If there is any damage, it needs to be replaced in time. The screen should be free of defects such as breakage, bubbles, oil stains, and fluffing. The surface should be smooth and flat, and the screen holes should have a certain taper to prevent blockage.
3. Use the correct installation method
There are many installation methods for self-cleaning screens for mining. The common ones are bolt matching, tensioning, rail seat buckle and pressure strip. Choose the appropriate installation method and install it strictly according to the operating steps:
- Bolt matching: reserve bolt holes according to the parameters of the screen frame, pass the bolts through the screen holes and fix them with nuts.
- Tensioning: The screen needs to be folded and hooked, and carriage bolts and screen surface fixing bolts are used to tighten the screen by tightening the nuts.
- Rail seat buckle: snap the buckle of the screen plate and the rail seat
into place, without or with less bolts.
- Strip type: press the strip on the
screen surface and fix the strip to the screen frame with bolts.
4. Ensure the flatness and tension of the screen
During installation, ensure that the screen is flat and tensioned to prevent the screen from vibrating during operation and causing the edge strip to break. Check the tension of the screen to avoid too loose or too large tension. Too loose screens will cause the screen to hit the surface of the screen "secondary forced hit", seriously affecting the efficiency and service life of the screen; too large tension will directly damage the screen.
5. Avoid installation errors
- It is strictly forbidden to tighten on the non-positioning block side first to avoid installation deviation.
- The upper edge of the polyurethane screen is strictly prohibited to be installed at the bottom of the upper end surface to avoid leakage of slurry on the upper edge.
- It is strictly forbidden to hook the screen plate into the edge groove of the screen to avoid leakage and damage to the screen surface.
- It is strictly forbidden to misalign the screen rod with the polyurethane screen rod to avoid misalignment and wear.
6. Inspection and adjustment after installation
After installation, carefully check the installation of the screen to ensure that there is no looseness or deformation. Before starting the equipment, check whether the screen is damaged and whether each set of rings is locked; when starting, pay attention to whether there is any abnormal noise, whether the current is stable, and whether the vibration is abnormal.
7. Regular maintenance and cleaning
Regularly clean the blockage on the surface of the screen to prevent material adhesion and accumulation, which will affect the screening effect. Use a soft brush or air gun to physically remove dust, impurities, etc. on the surface of the screen, and rinse it with clean water regularly to remove stains on the screen. For stubborn dirt that is difficult to clean, an appropriate cleaning agent can be used for treatment. Pay attention to the use of non-corrosive cleaning agents and clean them according to the specified concentration and time.
8. Avoid high temperature and mechanical damage
The materials of the self-cleaning screen for mining are usually not resistant to high temperatures. Avoid contact with high-temperature substances during use to avoid deformation or burning. Avoid collision or scratches of sharp objects on the screen to avoid damaging the screen structure.
9. Control the feed amount and feed evenly
Control the material feed amount to avoid overload operation, which will affect the screening effect and the life of the screen. Try to feed evenly and continuously or install a feed buffer device to reduce the impact of the screen and extend the life of the machine.
10. Regular inspection and timely replacement
Regularly check the wear of the screen, replace the damaged screen in time, keep the equipment clean, and reduce the impact and wear of the material on the screen.
Through the above precautions, the installation quality and service life of the mining self-cleaning screen can be effectively improved to ensure the efficient operation of the equipment. I hope this information is helpful to you. If you have any questions or need further guidance, please feel free to contact us.