REFA
Programming tasks for the waste incineration industry, REFA Upgrading of REFA line 1 and line 2

Background
REFA used DP CleanTech as the supplier to upgrade lines 1 and 2. DP CleanTech chose ÅF as the software supplier to REFA
Solution/Delivery
ÅF programmed an ABB AC450 and 800xA over a period of six months. ÅF delivery included:
- Programming of AC450
- Configuration/Programming of 800xA interface
- Analysis of old code to generate input for the functional specifications
- Proposal to change the user interface
- Input for the control system solution
- Commissioning and adjustment
Result
ÅF supplied software for:
- Air heaters
- Primary and secondary fans
- Combustion air system
- Waste chute, dampers, expansion and water-cooled chute
- Hydraulics and pusher
This resulted in better combustion and lower emissions.