It can be seen from the specific activities of dust-proof design that most of the dust in the sheet metal structure cabinet comes from the extracted air in the cabinet, so a large amount of air should be avoided from flowing directly into the cabinet during the specific design. Filtering the dust in the air at the air inlet can divide various design directions into corresponding application methods. The first step is to make a fully enclosed dust prevention plan, and the design focus should be on the portable sheet metal of the reinforced cabinet. According to the standardized dust-proof standard, while designing the sealed cabinet, it can effectively prevent dust from entering. At the connection positions of various parts of the cabinet, sealing materials with high elasticity are used, and external forces are used for compression. Use sealant to seal the positions that are not conducive to the use of sealing materials and cannot be removed effectively. When designing the dust-proof net and dust-proof cotton, the general dust-proof principle is mechanical filtration. When the dust falls onto the dust-proof cotton and dust-proof net, different filtering and blocking methods can be used to reasonably absorb the dust, and its design structure can be adjusted and set to a removable form to facilitate the later periodic cleaning.
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