| 电站锅炉磨煤机出力不足原因分析及解决办法 |
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| 引用本文： | 王建宁,马骏骥,马国伟. 电站锅炉磨煤机出力不足原因分析及解决办法[J]. 防灾减灾工程学报, 2017, 0(5): 64-68 |
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| 作者姓名： | 王建宁 马骏骥 马国伟 |
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| 作者单位： | 宁夏国华宁东发电有限公司,宁夏银川 750049;中国华电集团公司宁夏分公司,宁夏银川, 750002;国电科学技术研究院,宁夏银川, 750002 |
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| 摘 要： | 针对某330MW发电机组磨煤机存在石子煤量大、出力不足的问题,应用冷态试验和分析对比的方法,找到了磨煤机存在问题的原因,提出了磨煤机风环和磨辊进行技术改造方案。结果表明:改造后磨煤机石子煤量大幅度减少,出力提高至磨煤机设计出力,取得了良好效果。
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| 关 键 词： | 电站锅炉；磨煤机； 风环改造 |
Causes analysis and solution on the pulverizer undercapacity forthe power boiler |
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| WANG Jianning,MA Junji,MA Guowei. Causes analysis and solution on the pulverizer undercapacity forthe power boiler[J]. Journal of Disaster Prevention and Mitigation Engineering, 2017, 0(5): 64-68 |
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| Authors: | WANG Jianning MA Junji MA Guowei |
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| Affiliation: | Ningxia Guohua Ningdong Power Generation Co Ltd , Y inchuan Ningxia 750049 , China;Ningxia Branch of China Huadian Group Company, Y inchuan Ningxia 750002 , China; Science & Technology Institute of China Power Group Company, Y inchuan Ningxia 750002 , China |
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| Abstract: | Aiming at the problems of the large quantity of the pebble coal and undercapacity existingin the pulverizer of 330 M W generators, by the method of using cold- state test, analysis andcomparison, finds out the problem causes of the pulverizer, puts forward the technique retrofit schemeson the wind ring and grinding roll of the pulvizer. The results show that after the improvement, thequantity of the pebble coal in the pulverizer are greatly reduced, the output is improved to thedesigned output of the pulverizer and acquires good effects. |
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