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Photocatalysis technology is an efficient and safe environmentally friendly environmental purification technology. When ultraviolet light with energy greater than or equal to the energy gap is irradiated onto semiconductor nanoparticles, electrons in their valence band will be excited to transition to the conduction band, leaving relatively stable holes in the valence band, thus forming electron hole pairs. Due to the presence of numerous defects and dangling bonds in nanomaterials, these defects and dangling bonds can capture electrons or holes and prevent their recombination.
There are several factors that affect the quality of UVLED light curing: 1. Characteristics of the cured material: The curing speed and effect of the UVLED curing machine are largely determined by the difficulty of ultraviolet light entering the cured material to induce light and trigger molecules.
The maintenance and upkeep methods of the curing machine are as follows: 1. Clean regularly. Clean the dust and debris inside the UVLED surface light source curing machine to ensure that the interior of the machine is clean and tidy. 2. Before each startup, check if the circuit board is working properly. If any problems are found, please contact professional personnel for repair in a timely manner. 3. Lubricate all moving parts in the machine to ensure smooth operation.
When using a UV light cleaning machine, the following precautions should be taken: 1. The equipment should be placed reasonably. 2. Avoid direct exposure. 3. Machine operators must undergo relevant training before taking up their posts and must develop good work habits. 4. After completing daily work, maintain the equipment and keep the surrounding environment in good condition. 5. Regularly check the cleanliness of the guide rails and sliders, and lubricate them once a month.
The power and irradiation time of ultraviolet curing lamps need to be determined according to specific curing requirements. Generally, it is necessary to ensure that the ultraviolet rays have sufficient intensity, and the irradiation time is generally 30-60 minutes.