Adaptability analysis for semi-coke in different mill systems

LIU Jiali; YAO Wei; YANG Zhongcan; WANG Guifang; WANG Zhichao

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Adaptability analysis for semi-coke in different mill systems

更新时间：2025-09-28

- Adaptability analysis for semi-coke in different mill systems
- Thermal Power Generation Issue 1, (2017)
- 作者机构：
  
  西安热工研究院有限公司,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.25
- Published Online：24 January 2017，
  
  Published：2017
- 稿件说明：
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LIU Jiali, YAO Wei, YANG Zhongcan, et al. Adaptability analysis for semi-coke in different mill systems[J]. Thermal power generation, 2017, (1).
DOI：

LIU Jiali, YAO Wei, YANG Zhongcan, et al. Adaptability analysis for semi-coke in different mill systems[J]. Thermal power generation, 2017, (1). DOI：

摘要

为了充分掌握半焦与不同制粉系统的适应性及其研磨特性

对中速磨煤机、中储式钢球磨煤机和直吹式双进双出钢球磨煤机上掺烧半焦前后的制粉系统性能进行测试

并对实际研磨出力与理论计算研磨出力进行比对

分析了煤质参数、煤粉细度、煤粉水分等指标对半焦研磨出力计算的影响。试验结果表明：无论对于哪种类型磨煤机

掺烧半焦后均有制粉系统出力下降和煤粉变粗的趋势

这主要与半焦的哈氏可磨性系数HGI较低密切相关；半焦在中速磨煤机上的实际出力低于理论计算出力

而部分半焦水分高也是导致钢球磨煤机实际研磨出力降低的主要原因；低水分半焦在钢球磨煤机上的实际研磨出力和理论计算结果接近，建议半焦应尽量在原煤HGI较低或者磨煤机研磨出力裕量较大的电厂掺烧

以保证锅炉燃烧的经济性和安全性。

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