Equip diversion pipes and recycling buckets as core configurations of receiving trolleys.
Directly add qualified recycled paint into mixing tanks for reuse in next batches. Collect and filter residual paint for producing primers or low-grade coatings with low color requirements.

Establish strict cleaning regulations
Thoroughly clean receiving trays, valves and surrounding areas after each batch production and daily work to remove dry paint residues.
Apply high-pressure water guns to clean tray corners and diversion pipes efficiently.
Strengthen staff training
Standardize placement and moving operations of receiving trays to ensure accurate alignment with discharge outlets.
Enhance daily cleaning awareness and include relevant norms in regular performance assessment.
Inspect and replace aging valve sealing rings.
Refit existing flat trays into funnel-shaped trays with inward curled edges.
Place temporary large receiving trays for emergency use.
Upgrade common trays to movable receiving trolleys equipped with diversion pipes and recycling buckets.
Replace conventional valves with well-sealed butterfly valves or diaphragm valves at key working stations.