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Thermo-economic evaluation of a solid waste plasma gasification power system integrated with a combined heat and power plant
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Zhuan ZHOU1, Xingang WANG1, Jiayu BIAN2, Zhiyong YU2, Jun LIU3, Heng CHEN3
Thermal Power Generation | 2023, 52(8) : 13 - 25
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Thermal Power Generation | 2023, 52(8): 13-25
• Technical and economic review •
Thermo-economic evaluation of a solid waste plasma gasification power system integrated with a combined heat and power plant
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Zhuan ZHOU1, Xingang WANG1, Jiayu BIAN2, Zhiyong YU2, Jun LIU3, Heng CHEN3
Affiliations
  • 1.State Grid Xinjiang Electric Power Co. Ltd., Urumqi 830011, China
  • 2.State Grid Xinjiang Economic Research Institute, Urumqi 830063, China
  • 3.School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
Published: 2023-08-25 doi: 10.19666/j.rlfd.202302029
Outline
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A novel hybrid design that combines solid waste plasma gasification, gas turbine, absorption heat pump, and coal-fired combined heat and power plant has been proposed. In the integrated scheme, medical waste is sent to the plasma gasifier and converted to syngas, which is conveyed into the gas turbine system after the necessary treatment. In terms of waste heat utilization of syngas and flue gas, some are used by the absorption heat pump for heating, and the rest are used to heat the feedwater of the coal-fired combined heat and power plant directly. Based on a typical coal-fired combined heat and power plant, the benefits of this system are examined in terms of both thermodynamics and economics. Once the heat supply and the net electricity from coal remain the same, the net power generated by the waste in the hybrid design is 7.47 MW, while the net waste-to-energy efficiency reaches 47.96%. In just 5.23 years, the initial investment in the proposed system is recouped, and in its 25-year lifetime, the system achieves a net present value of 50 362.94 thousand CNY.

waste-to-energy  /  coal-fired power plant  /  power and heat cogeneration  /  plasma gasification  /  performance assessment
Zhuan ZHOU, Xingang WANG, Jiayu BIAN, Zhiyong YU, Jun LIU, Heng CHEN. Thermo-economic evaluation of a solid waste plasma gasification power system integrated with a combined heat and power plant[J]. Thermal Power Generation, 2023 , 52 (8) : 13 -25 . DOI: 10.19666/j.rlfd.202302029
Funding
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  • Science and Technology Project of State Grid Xinjiang Electric Power Co., Ltd.(SGXJ0000FCJS2200543)
  • General Program of National Natural Science Foundation of China(52276006)
Appendix
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Year 2023 volume 52 Issue 8
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Article Info
doi: 10.19666/j.rlfd.202302029
  • Receive Date：2023-02-12
  • Online Date：2026-01-26
  • Published：2023-08-25
Article Data
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History
  • Received：2023-02-12
Funding
Science and Technology Project of State Grid Xinjiang Electric Power Co., Ltd.(SGXJ0000FCJS2200543)
General Program of National Natural Science Foundation of China(52276006)
Affiliations
    1.State Grid Xinjiang Electric Power Co. Ltd., Urumqi 830011, China
    2.State Grid Xinjiang Economic Research Institute, Urumqi 830063, China
    3.School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202302029
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
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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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