Cleaning of regrind plastic material - USA

This US-based factory produces door panels, bumpers, moldings, HVAC ducts, fluid systems, etc. to the automotive industry

The company had severe working environment problems with dust all over the factory. Moreover, they also had difficulties separating dust from the regrind material. Only 30% of the regrind material was reused.

Tools and screens for machines required frequent cleaning of dust to avoid quality issues for the final product.

The task was to find a solution to increase the use of the regrind material, significantly reduce the dust problem to improve health & safety, and also have a short pay-back period.

• The Kongskilde system consists of the AirWash 50 with K-200 dust collector. Material inlet from grinder is transported through OK pipes with 160 mm diameter, while outlets to dust collector is OK pipes with 200 mm diameter
• The AirWash double cleaner system virtually removes all dust from the regrind material, and the output is ready for reuse in the blow moulding process
• The AirWash 50 comes with a blower MTD25 4,0 kW motor and a standard frame
• The dust is collected in the K-200 bags. The dust bags must be emptied weekly/bi-weekly depending on the material and grinding process

• The payback of the Kongskilde system was 6 months
• After installing the Kongskilde system, the reuse of grinded material increased from 30% to 80%, leading to significant financial savings
• Eliminating dust from the regrind material improved product quality and reduced the need of frequent cleaning of machines and tools
• Work environment improved through significant reduction of dust from the factory indoor environment, and the need to wash slippery floors was reduced