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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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雾化喷枪参数对流化床锅炉sncr脱硝效率的影响
, PP. 45-49
Keywords: cfb锅炉,sncr,喷枪,雾化粒径,喷射速度,脱硝效率
Abstract:
还原剂喷枪是影响非选择性催化还原法(sncr)脱硝系统效果的重要因素。为此,对1台75t/h高温分离循环流化床(cfb)锅炉在不同喷枪下进行了脱硝试验,并在实验室研究了雾化枪喷射速度和雾化粒径对sncr脱硝效率的影响。结果表明:在锅炉满负荷时,喷枪出力80kg/h下,扇形喷枪的脱硝效率比圆锥形喷枪高9%~11%,且在氨氮比不变的情况下,脱硝效率随喷枪出力的增大均有提高;扇形喷枪喷射速度比圆锥形喷枪大2.8m/s,雾化粒径比圆锥形喷枪小9~16μm,更有利于提高脱硝效率。
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