Provisional acceptance of 12 Low NOx burners at the Ruien thermal power station (Belgium) 


CMI Energy Services awarded Fives Pillard the contract for replacing the natural gas burners of a 930 t/h tangential firing steam boiler, located at ELECTRABEL RUIEN Power Plant in Belgium with the objective of reducing pollutant emission.



 Computerized simulation

of firebox’ temperatures


The proposed solution was optimised by using both CFD (Computer Fluid Dynamics simulation) and tests carried out at the Fives Pillard Combustion Research Centre.

The boiler NOx emission levels have now been divided by 4 (from 800 to 200 mg/nm3@ 3%O2 dry basis) and now meet the European and Flemish area standards currently in force, which are among the most stringent in the world.

 An external view

of one of the new burners



The success of this contract led CMI Energy Services to award Fives Pillard another similar contract concerning the ELECTRABEL Power Plant at 'les Awirs', also in Belgium (currently waiting for completion of the provisional acceptance test).


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