首页|The effect of spray nozzles failure on SO_2 removal efficiency
The effect of spray nozzles failure on SO_2 removal efficiency
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NETL
NSTL
Taylor & Francis
This study was carried out on an absorber in the body of flue gas desulphurizationsystem (FGD) of a coal-fired power plant. In this study, efficiencylosses caused by the clogging or breaking of the spray nozzles were examined.These abovementioned problems of spray nozzles are the most commonamong the many factors affecting the sulfur retention efficiency.Although energy and exergy analysis is very common to optimize the systemefficiency of FGD units, failure of spray nozzles in absorbers might be themain reason in terms of low FGD units efficiency and low SO_2 removal rates.In this study, firstly locations of clogged or damaged nozzles are determinedby examining a total of 240 nozzles (3 × 80). After the replacement of thebroken spray nozzles, increase in the efficiency of A-B, B-C, A-C andA-B-C spray lines were observed as 9.14%, 3.77%, 10.56%, 9.72%, respectively.Depending on the washing zone of the nozzles, if one nozzle isdamaged, it causes the efficiency to decrease between 0.24% and 0.36%.
AbsorberSO_2 removal ratespray nozzlewet flue gas desulfurizationefficiency of FGDemissions from coal fired power plant
Halil Ibrahim Gonul、Mehmet Bilen、Sait Kizgut
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Department of Mining Engineering, Zonguldak Buelent Ecevit University, Zonguldak, Turkey
NETL
NSTL
Taylor & Francis
