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Can laser cleaning replace dry ice cleaning?
Time:2022-03-24
Views:816
Can laser cleaning replace dry ice cleaning?
Dry ice cleaning is widely used in industrial manufacturing in China. It is often used for cleaning oil stain paint and carbon deposition adhesive of industrial devices such as mold printing, automotive electronics and petrochemical industry.
It also has outstanding applications in rust and paint removal. It is an important part of industrial cleaning in China.
Laser cleaning is the most advanced new industrial cleaning method developed in 17 years. In the past two years, it has also been rapidly applied to paint and rust removal and oil and carbon deposition cleaning in mold, automobile and other industries.
Dry ice cleaning
The advantages of dry ice cleaning process mainly lie in its comparison with traditional chemical cleaning agents. Most of its advantages are well known to us:
1. No chemical agent is used in the cleaning process, which has no pollution to the environment.
2 compared with the cleaning agent, the cleaning effect of dry ice cold spray is more thorough and cleaner. And will not cause damage to the material.
3. There is no need to shut down the equipment or disassemble the equipment. Online cleaning can be carried out, which can reduce the shutdown time compared with chemical cleaning agents.
4. The operation is easy to use and the process link is simple, which can realize automatic operation and reduce labor cost.
Product surface need to clean in a Higher requirements,pulse laser cleaning will protect base substrate materials.Dry ice cleaning speed lower,continuous laser cleaning with cheap cost.Howweld produced laser cleaning machine for rust removal,laser cleaning machine.
Product surface need to clean in a Higher requirements,pulse laser cleaning will protect base substrate materials.Dry ice cleaning speed lower,continuous laser cleaning with cheap cost.Howweld produced laser cleaning machine for rust removal,laser cleaning machine.
1. It‘s better to say that the cleaning effect is poor after the equipment is cooled than that it can be cleaned online in hot state when the equipment is not shut down.
As a treatment process of embrittlement and stripping of waste materials by using the relative temperature difference, the cleaning effect of dry ice cold spray will be relatively reduced when the surface temperature of the equipment is low.
For example, in addition to carbon deposition in the combustion chamber of automobile engine, when the temperature of vehicle engine is low, it is not easy to clean, but also pay special attention to the possibility of condensate water flowing into the engine.
2. Strict operating environment requirements. The danger caused by dry ice spray cleaning requires the necessary safety protection devices to be worn.
Since the noise level generated by dry ice jet grinding usually exceeds 120 dB (a), which is close to the sound of aircraft engine operation, the staff must wear hearing protection devices. The dry ice temperature of minus 70 ℃ requires wearing gloves to prevent frostbite hazards caused by dry ice particles, and wearing helmets, masks and safety goggles to prevent eyes from being damaged by particle splashing.
At the same time, there is a risk of suffocation when used in a relatively closed environment. When the volume fraction of carbon dioxide in the air is 1%, people will feel dizzy and palpitation; Feel dizzy at 4% - 5%. More than 6% of the time makes people dizzy, gradually stop breathing and die.
Therefore, the staff involved in spray grinding cleaning must wear CO2 detector and decide whether to need light or even heavy respirators according to the amount of dust or CO2 concentration.
It is necessary to wear strict protective devices, which has certain operational risks.
3 . Cleaning costs are high. Dry ice cleaners usually need to be equipped with dry ice storage boxes, dry ice making machines, air compressors and air tanks.
Laser cleaning technology
3 . Cleaning costs are high. Dry ice cleaners usually need to be equipped with dry ice storage boxes, dry ice making machines, air compressors and air tanks.
Laser cleaning technology
As a new industrial cleaning method, laser cleaning is better than dry ice cleaning in terms of its advantages, makes up for the shortcomings of dry ice cleaning, and has a wider range of applications. It can be said that it is an upgraded and enhanced version of dry ice cleaning, and the best alternative version.
Laser cleaning is to make pollutants heated by laser energy and evaporate or sublimate instantly through light ablation.
As a new technology to replace traditional cleaning, laser has incomparable advantages over traditional means:
No chemicals and cleaning fluids are required; No photochemical reaction, no noise and environmental pollution;
No mechanical stress and zero loss of precision instrument parts; The utility model does not damage the health of operators, is easy to realize automatic control, and realizes remote control cleaning.
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