Optimal Combustion Control

Why need an automatic combustion control?
At most WTE plants only a few very experienced operators can handle the complexities of constantly obtaining optimal operation efficiency. Most operators consider this a very demanding and troublesome task. Therefore, a high-level control system that operates the combustion of the plant in the same way as the most experienced operator can be a good option, and it can do the work to the same standards 24 hours/day.

Why choose FuzEvent?
Dublix Engineering, with its FuzEvent High-Level control system, offers a control system set to operate in due time and when the process behaviour has shown maximum information about its previous behaviour, just like an experienced operator. Compared to most control systems, FuzEvent is easily modified to cope with changing environments and new ideas for more efficient operation at the plant The system does not contain a black box philosophy nor does it hide the functions. The details in the operator interaction are defined during the design meeting, and will vary from plant to plant; the main aims are to keep the operators in charge of the operation, make the work done by operators much more efficient and to reduce routine operator interactions.

What are the achievements?
Typically, a Dublix FuzEvent system obtains 95% to 98% fully automatic control of all connected set-points. As a result, an overall increased efficiency of the plant is established with:

  • More energy generated
  • Less residuals generated
  • Higher quality of the residuals
  • Less wear on the mechanical parts
  • Less environmental load from the WtE plant
  • Plant availability increased
  • More stable steam production; typically 20-40% reduction in the variation of the steam flow resulting in 3-5% increase of steam flow set-point
  • More waste throughput; typically 5% increase with better burn out quality
  • Less violation of the 850°C limit
  • Better control of combustion emissions (CO, NOx, etc), with higher quality of bottom ash
  • Improvement of acid emissions: lime consumption and amount of fly ash reduced