Effect of Phase Change Materials and Phase Change Temperature on Optimization of Design Parameters of Anaerobic Reactor Thermal Insulation Structure

Feng Zhen, Yuwan Pang, Tao Xing, Hongqiong Zhang, Yonghua Xu, Wenzhe Li and Yong Sun
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Feng Zhen: Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
Yuwan Pang: Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
Tao Xing: Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
Hongqiong Zhang: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Yonghua Xu: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Wenzhe Li: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Yong Sun: College of Engineering, Northeast Agricultural University, Harbin 150030, China

IJERPH, 2022, vol. 19, issue 15, 1-10

Abstract: Direct-absorption anaerobic reactors can maintain the fermentation process of microorganisms by utilizing solar absorption and scattering media in the biogas reactor to improve the slurry temperature. Direct-absorption heating alone can save the corresponding electric energy and ensure the normal fermentation process of the biogas slurry in the reactor, but there is still the problem of temperature fluctuation. In order to improve the stability of the fermentation process, it is proposed to optimize the design of this kind of reactor by adding paraffin phase change material. This article mainly studies the influence of paraffin phase change material added on the top and side of the reactor in the fermentation process and gives the corresponding design parameters for different climatic conditions, which lays a theoretical reference for the design process of this kind of reactor.

Keywords: direct-absorption anaerobic reactor; glass envelope; design parameters; heat and mass transfer (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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