Blog


17

2025

09

Classification of Paint Booths and Their Maintenance Methods


1. Classification of Paint Booths. Paint booths can be divided into two main categories based on their methods for preventing dust contamination and removing paint mist: dry-type and wet-type. ① Dry-Type Paint Booths. These booths primarily consist of the booth body, filters, ventilation fans, and exhaust ducts. They are characterized by their simple structure, high coating efficiency, minimal paint wastage, and lower costs due to the absence of water usage, which reduces the need for water treatment equipment. As a result, they are widely adopted by medium- and small-sized repair businesses across China. ② Wet-Type Paint Booths. Wet-type paint booths come in four varieties: water curtain, water swirl, spray, and Venturi types. For high-end automotive topcoat applications, water swirl or Venturi booths are more commonly used abroad, though they remain relatively rare in China. 2. Maintenance and Care of Paint Booths. ① All preparatory work before painting must be carried out outside the paint booth. ② Filters must be regularly inspected and replaced according to schedule. ③ Daily checks should be conducted on the air pressure gauge readings to ensure the booth maintains the proper pressure range; negative pressure is strictly prohibited. ④ In dry-type paint booths, the floor should be moistened prior to spraying to effectively control dust. ⑤ Lighting conditions should be checked regularly, and any dimmed or burnt-out lamps应及时 استقبال