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Three doors that determine the quality of the paint

2018-11-20

Filter cotton determines the quality of the paint and the paint finish of the car. It is a prerequisite for the high-value paint process and high-quality paint. All ventilation facilities are centered on it.

When the paint room is working, the outside air is filtered by the pre-filter media of the air inlet, and then sent into the room by the blower, and then filtered by the ceiling filter to flow into the working space of the paint booth, and the airflow forms a pressure difference from top to bottom. The paint mist generated by the spray paint will be discharged by the air outlet after being filtered by the paint stop.

From the above point of view, the ventilation filter system of the paint booth is mainly divided into three filters, each of which plays a different role, and the filter cotton used is different.

First, pre-filter media: filter cotton mainly plays the role of primary filtration, blocking large dust particles and particles in the outermost, and sending fresh air into the second filter. The primary filter used in the paint booth is blue and white filter cotton with a blue windward side.

Second, the ceiling filter: the ceiling filter is the second filter of the paint room. The air is filtered by the ceiling filter and sent to the work chamber by the blower, forcing the air in the work chamber to form a positive pressure to ensure the effective discharge of the paint smell in the paint booth. The fully filtered air is evenly diffused to form a laminar flow state for optimum spray results.

Third, paint stop: paint stop is laid under the grille at the bottom of the paint booth. The main function of paint stop is to filter the excess paint mist in the air, reduce the paint content and odor in the air, and reduce the pollution discharged into the air. Stop is the last filter in the paint booth.