WANG Chunchang.STUDY ON THE FINENESS CONTROLLED VALUE OF PULVERIZED COAL FOR COAL-FIRED BOILERS IN THERMAL POWER PLANTS[J].Thermal Power Generation,2011,(01):48-51.
电站燃煤锅炉煤粉细度控制值研究
- Title:
- STUDY ON THE FINENESS CONTROLLED VALUE OF PULVERIZED COAL FOR COAL-FIRED BOILERS IN THERMAL POWER PLANTS
- 分类号:
- TK16
- 文献标志码:
- A
- 摘要:
- 提出了一定条件下煤粉颗粒完全燃尽临界直径的概念，并依据煤粉颗粒分布特性和煤粉颗粒燃尽临界直径计算得出不同煤粉细度分布下的未燃尽率，分析了煤粉颗粒燃尽临界直径、煤粉细度、挥发分含量等对未燃尽率的影响。分析表明，对于低挥发分难燃煤种，按挥发分确定煤粉细度的经验公式计算值与经济煤粉细度值相比偏大；对于Vdaf＞35%的燃煤，按挥发分确定煤粉细度的经验公式计算值与经济煤粉细度值相比偏小；对于其它燃煤，按挥发分确定煤粉细度的经验公式计算的煤粉细度值在经济煤粉细度值范围内，但经济煤粉细度值需要通过试验确定。
参考文献/References:
［1］王春昌.燃烧动力学参数应用于煤粉燃烧计算［J］ .热力发电，1986（3）.［2］王春昌.超细煤粉细度与制粉电耗关系试验研究报告［R］.西安热工研究院，2002.
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