Rail car unloading - USA

This US-based company  is one of the largest producers in the American plastic bag industry

They needed a flexible conveying solution that could provide fast and reliable transport of PP and PE pellets from Rail Cars. The Rail Car siding has room for up to 5 Cars to be parked for unloading, each having 4 ports to pull the pellets from. The pellets will then be blown into any one of 10 different 31-meter high silos within a tight timeframe.

The conveying solution had to be 100% free of any kind of contamination, including moisture and or other materials. If moisture and/or foreign particles get into the silos, it can have devastating economic consequences. The total cost of ownership should be less than for their previous conveying system with PD pumps.

• The system consists of modular standard elements and ensures a conveying system that brings the pellets safely in the silos in time, no matter from which railcar the pellets are being vacuumed from
• The solution consists of 2 TRL 600 blowers to overcome the distance and the need to keep the air temperature as low as possible. This secures a high performance pneumatic solution that is 100% free of contamination
• The Kongskilde conveying system is a cost effective investment with low operating/maintenance costs

• High flexibility and the modularity in Kongskilde conveying solutions assure easy installation and the ability to meet special requirements
• Next time the customer builds a new silo, it is less costly to upgrade the system. Kongskilde just installs a new pipeline
• The high performance solution exceeds other conveying systems in terms of safe operation without the risk of contamination of the plastic pellets
• By utilizing 2 Blowers – one for the vacuum side and one for the pressure side – we are able to minimize heat build-up over ambient temperature in the conveying line, thereby reducing the risk of creating “streamers” in the pipeline
• Less need for maintenance of the Kongskilde pneumatic solution contributes to low operating costs

• Material: PP and PE Pellets
• Dimensions: pellets max Ø 3mm, grid max Ø 1mm
• Requested solution providing a flow of 15-20 metric tons of pellets per hours to the 31 meters high silos
• Bulk density: approx. 520 kg/m3
• Conveying distance: H: max 31 m. V: max 28 m