2011•Thermal Power GenerationRequires access
STUDY ON LOW NOx COMBUSTION TECHNOLOGY FOR 420 t/h BOILERS
Jie Liu
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Abstract
Adoptation of flue gas recirculation,low oxygen burning,and low NOx burners,can effectively reduce NOx content in the flue gas,as well as improve slagging condition in the furnace,at the same time,the explosion failure occurred in coal-pulverizing system can be avoided.Results of practical monitoring show that the NOx emission from Russian-made 420 t/h boilers of unit no.9 and unit no.10 in one power plant has decreased 36.4% and 50.26% respectively after adopting the above-mentioned measures,while other parameters in operation can also satisfy the requirements,having good economic benefits and environmental protectiveness.