Energy
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Alfonso García-Marcos
BURNERS
INERCO offers a broad range of Low NOx applications including Low NOx burners and OFA (Over Fire Air) systems. Design of the burners and air registers have to consider the optimal conditions of turbulence, temperature and residence time required at the burner flame to minimize NOx generation.
Design and definition of these solutions are based on vast experience in execution of combustion testing and tuning, deep knowledge of material behavior for different fuels and operating circumstances and in-house Computational Fluid Dynamic (CFD) capabilities.
Whatever are the emissions and performance requirements, INERCO can provide the right solutions executed on time and budget.
FLEXICOM-LNB
FLEXICOM-LNB technology is a retrofit in the coal pipe system to enable the installation of a SOFA (Separate Over Fire Air) section in the existing wind box arrangement, avoiding additional openings in the boiler water wall panels.
This technology is able to establish the most favorable “in-furnace fire distribution” regardless of mill in service, avoiding ”burner gap” which leads to increased NOx and carbon-in-ash. Flue Exit Gas Temperature (FEGT) control reduces detrimental effects like slagging, fouling and tube failure.
This versatile solution simultaneously addresses different targets: heat rate, emissions and operational constrains.
SNCR SELECTIVE NON-CATALYTIC REACTION
SNCR allows to achieve moderate NOx reductions in order to meet the stringent emission limits by environmental legislation.
Ammonia-based reagent is injected in the combustion zone to react with NOx and produce nitrogen and water. INERCO’s solution incorporates special features to enhance the operation of the system: zonal reagent injection based on local combustion conditions, closed-loop control, injection pattern based on CFD models and extensive experience.
INERCO also has a portable pilot DEMO SNCR plant for temporary testing of the technology, that allows the assurance of the technology results beforehand.
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