The working principle of a furniture spray booth
Published Time:
2020-08-12
When spraying, the outside air is pre-filtered by the air intake, then sent into the paint booth's static pressure chamber by the blower. After secondary filtration by the top filter cotton, it flows evenly into the paint booth's working space. The airflow forms an air curtain around the workpiece from top to bottom. At this time, the paint booth has an air velocity > 0.3m/s, and the paint mist generated by spraying will not stay in the operator's breathing zone, but will quickly descend with the airflow. After the airflow is filtered by the bottom water filter, it is discharged at high altitude through the exhaust duct.
I. Working Principle of Furniture Spray Booth
During spraying, outside air is initially filtered through the air intake and then sent into the paint booth's static pressure chamber by the blower. After secondary filtration through the top filter cotton, it flows evenly into the paint booth's working space. The airflow forms an air curtain around the workpiece from top to bottom. At this time, the air velocity inside the paint booth is >0.3m/s, and the paint mist produced during spraying will not stay in the operator's breathing zone but will quickly descend with the airflow. The airflow is then filtered through the bottom water filter and discharged at high altitude through the exhaust duct.
II. Working Principle of Furniture Spray Booth
Infrared Heating: General organic coatings have a strong absorption capacity for infrared rays, especially far-infrared rays. Therefore, infrared rays are very effective in drying coatings. This promotes fast curing speed, good quality, and prevents defects such as pinholes and bubbles.
III. Paint Booth Air Purification System
The filter system uses two layers of filtration. The coarse filtration layer effectively captures dust particles larger than 10um in diameter. The precision-grade high-efficiency filtration layer has a multi-layer structure and can effectively capture dust particles larger than 4um in diameter. The entire filtration system has a large dust holding capacity, low resistance, long lifespan, and a filtration efficiency exceeding 98%.
IV. Air Circulation System
The air circulation system consists of a complete set of units, including a set of fans. Two 3KW fans supply air, with a total air volume of 24000 square meters, ensuring an air velocity of >0.3m/s. This ensures rapid air circulation in the room, no paint mist residue, and protects the health of operators and the spraying effect. The fans are spray and baking paint booth-specific air conditioners produced using Siemens technology. They have a compact structure, low power consumption, and stable performance.
V. Paint Mist Treatment System
The paint mist treatment uses water filtration, which has low operating costs, ideal paint mist adsorption, and good results. Indoor noise complies with GBJ87-85 "Industrial Enterprise Noise Control Design Specifications", not exceeding 85 decibels. The current development status and working structure principle of spray baking paint booths in China:
Domestic spray baking paint booths range in price from 22,000 to 60,000 yuan for low-to-mid-range models and from 60,000 to 150,000 yuan for high-end models. There are many types of products. The main types available include: outdoor rainproof baking paint booths, fuel-fired high-temperature baking paint booths, teaching spray baking paint booths, large-scale passage-type baking paint booths, environmentally friendly baking paint booths, infrared baking paint booths, and standard baking paint booths, each with different functions. General baking paint booths use a prefabricated structure, with the body made of plug-in insulated spray-painted wall panels for good sealing and insulation. The side of the body is equipped with a work door for easy access for staff, and an aluminum alloy-edged door with an observation window in the center to allow for observation of the interior. Auxiliary equipment inside the baking paint booth is also constantly evolving. Commonly used equipment includes: fans, burners, lighting, base plates, filter cotton, control boxes, generating rooms, baking lamps, and high-efficiency heat exchangers. The specific configuration and model will depend on the overall planning of the automotive service institution.
Keywords:
Furniture spray booth, baking paint booth, paint mist treatment system
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