YANG Tao,NI Shuyun,ZHANG Zaigang,et al.HIGH CONTENT OF COMBUSTIBLE MATTER IN FLY ASH FOR NO.4 BOILER IN A POWER PLANT:REASON ANALYSIS AND COUNTERMEASURES[J].Thermal Power Generation,2012,(12):111-112.
某电厂4号锅炉飞灰可燃物含量偏高的原因分析及解决措施
- Title:
- HIGH CONTENT OF COMBUSTIBLE MATTER IN FLY ASH FOR NO.4 BOILER IN A POWER PLANT:REASON ANALYSIS AND COUNTERMEASURES
- 分类号:
- TM621
- 文献标志码:
- B
- 摘要:
- 通过变运行氧量试验得出,某电厂4号锅炉飞灰可燃物含量偏高是给煤过程中混有杂物引起磨煤机分离器内锥体堵塞,导致内锥体内积粉以及内锥体下部的锁气器门卡死而处于常开状态,使煤粉过粗所致。通过采取清理分离器,保证煤粉气流回路畅通,并确保内锥体回流装置锁气门正常使用等措施后,解决了飞灰可燃物含量偏高的问题,锅炉热效率平均提高了0.56百分点。
参考文献/References:
[1]杨涛.湖北能源集团鄂州发电有限公司4号锅炉运行优化调整试验报告[R].TPRI/THRA0952011,西安:西安热工研究院有限公司,2011.
[2]杨涛.湖北能源集团鄂州发电有限公司4号机组制粉系统煤粉细度调整及锅炉热效率试验报告[R].TPRI/THRB0752011,西安:西安热工研究院有限公司,2011.
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备注/Memo
杨涛(1969-),男,山西吕梁人,高级工程师,从事锅炉设备的热力试验研究。