Design of the Solar Energy-Heated Biogas Digester

Jin Yang Li; Jian Li; Qing Yu Liu; Hao Zheng

doi:10.4028/www.scientific.net/AMR.953-954.103

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 953-954Design of the Solar Energy-Heated Biogas Digester

Design of the Solar Energy-Heated Biogas Digester

Abstract:

Heating biogas digester is essential in northern China, especially during the winter. Solar energy-heated biogas digester is a facility that radiates heat by the solar thermal, which maintains the temperature of the biogas digester. The working principle behind this facility is the division of the traditional biogas digester into three parts, namely, raw material storage section, biogas slurry storage section, and anaerobic digestion section. We only heat the anaerobic digestion section to decrease the heating volume and reduce the heat dissipating surface, thereby saving energy. Solar energy is unstable, and the anaerobic digestion section needs to be maintained at its best temperature, thus, we control the raw material inlet at its optimum temperature. This biogas digester improves the anaerobic digestion condition and enhances gas production rate, which enables the efficient function of the digester during winter.

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Periodical:

Advanced Materials Research (Volumes 953-954)

Pages:

103-106

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.953-954.103

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Online since:

June 2014

Authors:

Jin Yang Li, Jian Li, Qing Yu Liu*, Hao Zheng

Keywords:

Biogas, Design, Solar Energy

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* - Corresponding Author

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