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"Three-renovation" (energy-saving renovation, flexibility renovations and heating renovations) of coal-fired power is an effective measure for clean and low carbon utilization of coal. The paper analyzes current energy efficiency, flexibility and heating situation of coal-fired power, and researches the policy requirement, implementation progress and expected effect of "Three-renovation". In terms of technical difficulty, energy saving renovation is the most difficult, followed by flexibility and heat supply. It is anticipated that the coal consumption for power supply will be decreased to about 297 g/(kW·h), the additional peak regulation capacity will be over 40 GW and the heating scope will be further expanded. In view of the problems such as large coal power loss, difficult technical transformation of some types, hidden safety risks of equipment under low load operation, unanticipated input and output of renovation, and small financial support of renovation, this paper puts forward measures and suggestions to promote the "Three-renovation" from the perspectives of policy, technology, standards and market.

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煤电“三改联动”是煤炭清洁低碳转型的有效手段。分析了煤电的能效、灵活性和供热现状,研究了煤电实施“三改联动”的政策要求、实施进展和预期效果。从改造技术难度看,节能改造难度最高,灵活性改造次之、供热改造难度相对较低。预计“十四五”末全国煤电供电煤耗率将降至297 g/(kW·h)左右,新增调峰能力预计在4 000万kW以上,供热范围进一步扩大。针对煤电亏损面大、部分类型机组技术改造难度大、设备低负荷运行安全隐患大、改造投入产出不可预期性大、改造资金有待进一步加大等问题,从政策、技术、标准、市场等角度提出了促进煤电“三改联动”的措施建议。

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刘志强(1982),男,高级工程师,主要研究方向为电力节能减排、新能源等,

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刘志强(1982),男,高级工程师,主要研究方向为电力节能减排、新能源等,

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煤电“三改联动”实施分析与措施建议
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刘志强 1 , 叶春 1 , 张源 2 , 李云凝 1
热力发电 | 发电技术论坛 2023,52(5): 154-159
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热力发电 | 发电技术论坛 2023, 52(5): 154-159
煤电“三改联动”实施分析与措施建议
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刘志强1 , 叶春1, 张源2, 李云凝1
作者信息
  • 1.中国电力企业联合会,北京 100761
  • 2.国能龙源蓝天节能技术有限公司,北京 100039
  • 刘志强(1982),男,高级工程师,主要研究方向为电力节能减排、新能源等,

Analysis and suggestions on the implementation of "three-renovation" of coal-fired power
Zhiqiang LIU1 , Chun YE1, Yuan ZHANG2, Yunning LI1
Affiliations
  • 1.China Electricity Council, Beijing 100761, China
  • 2.CHN Energy Longyuan Blue Sky Energy Conservation Technology Co., Ltd., Beijing 100039, China
出版时间: 2023-05-25 doi: 10.19666/j.rlfd.202211252
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煤电“三改联动”是煤炭清洁低碳转型的有效手段。分析了煤电的能效、灵活性和供热现状,研究了煤电实施“三改联动”的政策要求、实施进展和预期效果。从改造技术难度看,节能改造难度最高,灵活性改造次之、供热改造难度相对较低。预计“十四五”末全国煤电供电煤耗率将降至297 g/(kW·h)左右,新增调峰能力预计在4 000万kW以上,供热范围进一步扩大。针对煤电亏损面大、部分类型机组技术改造难度大、设备低负荷运行安全隐患大、改造投入产出不可预期性大、改造资金有待进一步加大等问题,从政策、技术、标准、市场等角度提出了促进煤电“三改联动”的措施建议。

煤电  /  节能改造  /  灵活性改造  /  供热改造  /  三改联动

"Three-renovation" (energy-saving renovation, flexibility renovations and heating renovations) of coal-fired power is an effective measure for clean and low carbon utilization of coal. The paper analyzes current energy efficiency, flexibility and heating situation of coal-fired power, and researches the policy requirement, implementation progress and expected effect of "Three-renovation". In terms of technical difficulty, energy saving renovation is the most difficult, followed by flexibility and heat supply. It is anticipated that the coal consumption for power supply will be decreased to about 297 g/(kW·h), the additional peak regulation capacity will be over 40 GW and the heating scope will be further expanded. In view of the problems such as large coal power loss, difficult technical transformation of some types, hidden safety risks of equipment under low load operation, unanticipated input and output of renovation, and small financial support of renovation, this paper puts forward measures and suggestions to promote the "Three-renovation" from the perspectives of policy, technology, standards and market.

coal-fired power  /  energy-saving renovation  /  flexibility renovation  /  heating renovation  /  three-renovation
刘志强, 叶春, 张源, 李云凝. 煤电“三改联动”实施分析与措施建议. 热力发电, 2023 , 52 (5) : 154 -159 . DOI: 10.19666/j.rlfd.202211252
Zhiqiang LIU, Chun YE, Yuan ZHANG, Yunning LI. Analysis and suggestions on the implementation of "three-renovation" of coal-fired power[J]. Thermal Power Generation, 2023 , 52 (5) : 154 -159 . DOI: 10.19666/j.rlfd.202211252
  • 中国电力企业联合会2022年研究课题
2023年第52卷第5期
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doi: 10.19666/j.rlfd.202211252
  • 接收时间:2022-11-15
  • 首发时间:2026-01-23
  • 出版时间:2023-05-25
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  • 收稿日期:2022-11-15
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Research Project of China Electricity Council in 2022
中国电力企业联合会2022年研究课题
作者信息
    1.中国电力企业联合会,北京 100761
    2.国能龙源蓝天节能技术有限公司,北京 100039
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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Percentage of
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Genus
种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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