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In order to solve the safety and economic issues of mixed combustion of multiple fuels such as gas, lignite, and coal slurry in power plant boilers, an evaluation method for the blending of multiple fuels was proposed. Firstly the constraints on the moisture, volatile matter, calorific value, and sulfur content of the fuel entering the furnace under different loads are established, based on the fuel characteristics and various requirements for safe operation of the unit, and then the minimum comprehensive power supply cost and the optimal blending scheme for multiple fuels under different loads are determined through blending experiments. The experiments were conducted on a 300 MW power plant boiler, and the results showed that, on the premise of meeting the constraints of the incoming fuel, the fuel cost for power plants can be decreased by increasing the proportion of economic coal blending based on the principle of minimizing comprehensive power supply costs. This study will provide important reference for the study of multi fuel blending in power plant boilers.

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为解决电站锅炉掺烧煤气、褐煤、煤泥等多元燃料时的安全和经济性问题,提出了一种针对多元燃料掺烧的评估方法。首先结合燃料特性和机组安全运行各方面要求,建立不同负荷下入炉燃料水分、挥发分、热值和硫分的约束条件,然后通过掺烧试验确定最低综合供电成本,提出不同负荷时的多元燃料最佳掺配方案,并在一台300 MW电站锅炉上开展了掺烧试验。结果表明,在满足入炉燃料约束条件的前提下,以综合供电成本最低为原则提高经济煤种掺配比例,可降低电厂燃料成本。本研究将为我国电站锅炉多元燃料掺烧研究提供重要参考。

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张向宇(1984),男,博士,研究员,主要研究方向为锅炉数字孪生,

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张向宇(1984),男,博士,研究员,主要研究方向为锅炉数字孪生,

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张向宇(1984),男,博士,研究员,主要研究方向为锅炉数字孪生,

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基于最小综合供电成本的电站锅炉多元燃料掺烧方法研究
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张向宇 1, 2 , 何军福 3 , 王志超 1 , 杨忠灿 1 , 张喜来 1 , 刘家利 1 , 姚伟 1
热力发电 | 燃煤电站掺烧及燃烧优化技术 2023,52(7): 150-156
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热力发电 | 燃煤电站掺烧及燃烧优化技术 2023, 52(7): 150-156
基于最小综合供电成本的电站锅炉多元燃料掺烧方法研究
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张向宇1, 2 , 何军福3, 王志超1, 杨忠灿1, 张喜来1, 刘家利1, 姚伟1
作者信息
  • 1.西安热工研究院有限公司,陕西 西安 710054
  • 2.陕西省燃煤电站锅炉环保工程技术研究中心,陕西 西安 710054
  • 3.云南能投曲靖发电有限公司,云南 曲靖 655099
  • 张向宇(1984),男,博士,研究员,主要研究方向为锅炉数字孪生,

Research on the method of multi fuel blending in power plant boilers based on minimum power supply cost
Xiangyu ZHANG1, 2 , Junfu HE3, Zhichao WANG1, Zhongcan YANG1, Xilai ZHANG1, Jiali LIU1, Wei YAO1
Affiliations
  • 1.Xi'an Thermal Power Research Institute Co., Ltd., Xi'an 710054, China
  • 2.Shaanxi Coal Fired Power Plant Boiler Environmental Protection Engineering Technology Research Center, Xi'an 710054, China
  • 3.Yunnan Energy Investment Qujing Power Generation Co., Ltd, Qujing 655099, China
出版时间: 2023-07-25 doi: 10.19666/j.rlfd.202303039
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为解决电站锅炉掺烧煤气、褐煤、煤泥等多元燃料时的安全和经济性问题,提出了一种针对多元燃料掺烧的评估方法。首先结合燃料特性和机组安全运行各方面要求,建立不同负荷下入炉燃料水分、挥发分、热值和硫分的约束条件,然后通过掺烧试验确定最低综合供电成本,提出不同负荷时的多元燃料最佳掺配方案,并在一台300 MW电站锅炉上开展了掺烧试验。结果表明,在满足入炉燃料约束条件的前提下,以综合供电成本最低为原则提高经济煤种掺配比例,可降低电厂燃料成本。本研究将为我国电站锅炉多元燃料掺烧研究提供重要参考。

电站锅炉  /  掺烧  /  综合供电成本  /  煤泥  /  煤气

In order to solve the safety and economic issues of mixed combustion of multiple fuels such as gas, lignite, and coal slurry in power plant boilers, an evaluation method for the blending of multiple fuels was proposed. Firstly the constraints on the moisture, volatile matter, calorific value, and sulfur content of the fuel entering the furnace under different loads are established, based on the fuel characteristics and various requirements for safe operation of the unit, and then the minimum comprehensive power supply cost and the optimal blending scheme for multiple fuels under different loads are determined through blending experiments. The experiments were conducted on a 300 MW power plant boiler, and the results showed that, on the premise of meeting the constraints of the incoming fuel, the fuel cost for power plants can be decreased by increasing the proportion of economic coal blending based on the principle of minimizing comprehensive power supply costs. This study will provide important reference for the study of multi fuel blending in power plant boilers.

utility boiler  /  co-firing  /  comprehensive power supply cost  /  slush  /  coal gas
张向宇, 何军福, 王志超, 杨忠灿, 张喜来, 刘家利, 姚伟. 基于最小综合供电成本的电站锅炉多元燃料掺烧方法研究. 热力发电, 2023 , 52 (7) : 150 -156 . DOI: 10.19666/j.rlfd.202303039
Xiangyu ZHANG, Junfu HE, Zhichao WANG, Zhongcan YANG, Xilai ZHANG, Jiali LIU, Wei YAO. Research on the method of multi fuel blending in power plant boilers based on minimum power supply cost[J]. Thermal Power Generation, 2023 , 52 (7) : 150 -156 . DOI: 10.19666/j.rlfd.202303039
  • 国家重点研发计划项目(2020YFC1910000)
2023年第52卷第7期
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doi: 10.19666/j.rlfd.202303039
  • 接收时间:2023-03-03
  • 首发时间:2026-01-26
  • 出版时间:2023-07-25
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  • 收稿日期:2023-03-03
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National Key Research and Development Program(2020YFC1910000)
国家重点研发计划项目(2020YFC1910000)
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    1.西安热工研究院有限公司,陕西 西安 710054
    2.陕西省燃煤电站锅炉环保工程技术研究中心,陕西 西安 710054
    3.云南能投曲靖发电有限公司,云南 曲靖 655099
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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