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The calculation of fluorine plastic economizer in economy by using the equivalent heat drop

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  • Yang, Mei
  • Liu, Chao

Abstract

With the increasing demand of energy saving and emission reduction, low temperature economizer (LPE) is more and more utilized in the heat recovery plant of the coal-fired power plant and because of the obvious advantages in material properties the use of fluorine plastics low temperature economizer has gradually become extensive. In this paper the equivalent heat drop method is utilized to calculate the improvement on net work output as well as the decrease on standard coal consumption rate of the coal-fired power plant system which adds the fluorine plastic economizer. The calculation results indicate that the improvement and decrease are different when the low temperature economizer locates different position of the system and under the same situation, the more stage extraction should be utilized as far as possible to achieve better energy saving effect. In addition the economic and environmental advantages of fluorine plastic economizer are compared with those of the metal economizer. On the economic benefit, the fluorine plastic economizer is significantly greater than the metal economizer and at the same time the carbon emission reductions of fluorine plastic economizer are significantly greater than those of metal economizer.

Suggested Citation

  • Yang, Mei & Liu, Chao, 2017. "The calculation of fluorine plastic economizer in economy by using the equivalent heat drop," Energy, Elsevier, vol. 135(C), pages 674-684.
    • Handle: RePEc:eee:energy:v:135:y:2017:i:c:p:674-684
    DOI: 10.1016/j.energy.2017.06.100
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    Cited by:

    1. Stevanovic, Vladimir D. & Petrovic, Milan M. & Wala, Tadeusz & Milivojevic, Sanja & Ilic, Milica & Muszynski, Slawomir, 2019. "Efficiency and power upgrade at the aged lignite-fired power plant by flue gas waste heat utilization: High pressure versus low pressure economizer installation," Energy, Elsevier, vol. 187(C).
    2. Jiayou Liu & Fengzhong Sun, 2019. "Experimental Study on Operation Regulation of a Coupled High–Low Energy Flue Gas Waste Heat Recovery System Based on Exhaust Gas Temperature Control," Energies, MDPI, vol. 12(4), pages 1-20, February.
    3. Li, Yong & Wang, Yanhong & Cao, Lihua & Hu, Pengfei & Han, Wei, 2018. "Modeling for the performance evaluation of 600 MW supercritical unit operating No.0 high pressure heater," Energy, Elsevier, vol. 149(C), pages 639-661.
    4. Chen, Heng & Qi, Zhen & Dai, Lihao & Li, Bin & Xu, Gang & Yang, Yongping, 2020. "Performance evaluation of a new conceptual combustion air preheating system in a 1000 MW coal-fueled power plant," Energy, Elsevier, vol. 193(C).

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