Economic analysis for coals used in ultra supercritical boilers

LIU Zhengqiang; YUN Panfeng; L Hongbiao; YANG Peijun

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Economic analysis for coals used in ultra supercritical boilers

更新时间：2025-09-28

- Economic analysis for coals used in ultra supercritical boilers
- Thermal Power Generation Vol. 46, Issue 1, Pages: 93-99(2017)
- 作者机构：
  
  1. 中电投河南电力有限公司技术信息中心
  2. 西安热工研究院有限公司电站锅炉煤清洁燃烧国家工程研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2017
- 稿件说明：
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LIU Zhengqiang, YUN Panfeng, L Hongbiao, et al. Economic analysis for coals used in ultra supercritical boilers[J]. Thermal power generation, 2017, 46(1): 93-99.
DOI：

LIU Zhengqiang, YUN Panfeng, L Hongbiao, et al. Economic analysis for coals used in ultra supercritical boilers[J]. Thermal power generation, 2017, 46(1): 93-99. DOI：

摘要

为了研究燃煤变化与电厂综合成本的关系

结合煤质特性分析、设备检修数据及机组参数长期统计

通过现场试验、统计分析及理论计算

获得了3种不同煤质下的燃煤采购成本、煤耗、磨损及检修成本、辅机电耗成本及远期其他成本。研究结果表明:发热量每相差418kJ/kg的煤质

当其标煤价格差低于2.65元/t时

则燃用高热值煤种的综合成本较低;当其标煤价格差高于3.06元/t时

则燃用低热值煤种的综合成本较低。此结果可为电厂燃煤采购提供指导。

Abstract

To reveal the relationship between coal type change and power plant comprehensive cost

this paper obtains the coal procurement cost

coal consumption cost

wear maintenance cost

auxiliary power cost and long-term other costs through statistical analysis and theoretical calculation

combining with the coal characteristics analysis

equipment maintenance data and unit operation parameters with long term statistics.The results show that

for two coals with calorific value deviation of 100kcal/kg

when their standard coal price difference is lower than 2.65yuan/t

the comprehensive cost of the coal with higher calorific value is lower;when their standard coal price difference is higher than 3.06yuan/t

the comprehensive cost of the coal with lower calorific value is lower.The conclusion can provide guidance for coal purchase in power plants.

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