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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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300mw机组烟煤锅炉防结焦改造研究
, PP. 119-124
Keywords: 300mw机组,锅炉,烟煤,结焦,速度场,温度场,浓度场,数值模拟
Abstract:
针对某电厂300mw机组燃用易结焦劣质烟煤出现较严重的结焦问题,提出了将二次风切圆缩小、降低炉内气流旋转强度的改造方案,并采用数值模拟方法对改造前后炉内燃烧过程进行了研究。通过分析、比较改造前后炉内的速度场、煤粉颗粒轨迹、温度场、浓度场以及改造效果等,表明改造后炉内的结焦状况得到明显改善,锅炉的燃烧稳定性增强，经过半年的运行实践,验证了方案的合理性。
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