Research on carbon emission characteristics of coal-fired units based on real-time monitoring

LIU Ke; YANG Xingsen; WANG Tai; DONG Xinguang; ZHANG Limeng; ZHANG Xuhui; YUAN Sen; XIN Gang; GAO Song

doi:10.19666/j.rlfd.202205078

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Research on carbon emission characteristics of coal-fired units based on real-time monitoring

更新时间：2025-09-28

- Research on carbon emission characteristics of coal-fired units based on real-time monitoring
- Thermal Power Generation Vol. 51, Issue 10, Pages: 47-53(2022)
- 作者机构：
  
  1. 国网山东省电力公司电力科学研究院
  2. 华北电力大学能源动力与机械工程学院动力工程系
  3. 国网山东省电力公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202205078
  CLC： X773
- Published：2022
- 稿件说明：
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LIU Ke, YANG Xingsen, WANG Tai, et al. Research on carbon emission characteristics of coal-fired units based on real-time monitoring[J]. Thermal power generation, 2022, 51(10): 47-53.
DOI：

LIU Ke, YANG Xingsen, WANG Tai, et al. Research on carbon emission characteristics of coal-fired units based on real-time monitoring[J]. Thermal power generation, 2022, 51(10): 47-53. DOI： 10.19666/j.rlfd.202205078.

摘要

为研究燃煤机组不同运行状态下的碳排放特性，采用基于能量平衡和物料守恒的碳核算方法，实现燃煤机组碳排放强度的分钟级连续监测；然后对4台600 MW等级和1台1 000 MW等级机组的碳排放强度进行监测分析。结果表明：每台机组的碳排放特性具有明显的差异性，有些机组在负荷降至50%以下后，碳排放强度突增，而有些机组在深度调峰工况下碳排放强度变化较为平缓；部分火电机组的碳排放强度对负荷的波动较为敏感，负荷波动越大越频繁碳排放强度越大；贫煤机组碳排放强度要高于同等级的烟煤机组。这些研究结果可以为电网低碳调度提供参考，支撑电网在消纳新能源的同时通过调整发电机组组合降低燃煤机组整体的碳排放量。

Abstract

In order to study the carbon emission characteristics of coal-fired units under different operating conditions

the carbon accounting method based on energy balance and the conservation of materials is adopted to realize the minute level continuous monitoring of carbon emission intensity of coal-fired units. Then

the carbon emission intensity of 4×600 MW and a 1 000 MW unit is monitored and analyzed. The results show that

the carbon emission characteristics of each unit have significant differences. The carbon emission intensity of some units increases sharply when the load is reduced to less than 50%. But for other units

the carbon emission intensity changes gently under the condition of deep peak regulation. The carbon emission intensity of some thermal power units is sensitive to load fluctuation

in which a greater load fluctuation leads to a higher carbon emission intensity.The carbon emission intensity of lean coal units is higher than that of bituminous coal units of the same grade. These research results can provide references for power grid low-carbon scheduling

and support the power grid to consume new energy and reduce the overall carbon emission of coal-fired units through adjusting the generator set combination.

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