Combustion System Upgrades

In association with Saretco SA (www.saretco.com), Dublix Engineering A/S provides upgrades and spare parts to all combustion grates available on the market.

The expertise of 2 companies united to grant you a better overall control of the combustion.

Dublix Engineering offers:

  • Upgrading of grate mechanics and castings with new advanced features.
  • Upgrades and problem-fixing specific to Volund grates.
  • Manufacturing and erection of new mechanical features.
  • Secondary air injection through the furnace roof.
  • Cooling water spray mixed in the secondary air jet from the furnace roof nozzles to use as an emergency tool to control the furnace temperature when it tends to run too high in spite of the traditional control measures.

The expected results for such upgrades are:

  • Improved control of combustion.
  • Improved control of furnace temperature.
  • Improved burn out of CO.
  • Optimization of 2 seconds retention time above 850 °C.
  • Better operation of boiler and fluegas cleaning due to better flue gas temperature control

Upgrades have already been realised in the following plants: