Performance of a novel household solar heating thermostatic biogas system
Feng, Rong1,2,3; Li, Jinping1,2,3; Dong, Ti1,2,3; Li, Xiuzhen1,2,3
2016-03-05
发表期刊APPLIED THERMAL ENGINEERING
ISSN1359-4311
卷号96页码:519-526
摘要Household biogas plays a critical role in energy supplying and environmental protection in Chinese rural areas. A novel over-ground household solar heating thermostatic biogas system was developed in this study to improve the biogas production rates in winter in cold regions of China. Full-scale field experiments on the biogas production characteristics of the system in seven batches process for more than a year and a semi-continuous process experiment for nearly four months during winter were conducted in cold regions of China, together with the amount of daily heat consumed by the digester in the semi continuous process. The economic feasibility of the system was also evaluated. The average biogas production rates of 0.63, 0.68, 0.44, 0.64, 0.93, 1.09 and 1.08 m(3)/(m(3) slurry.d) at T80 were determined in seven batches. In the semi-continuous process experiment, four daily biogas production peaks of 1.39, 1.60, 239, and 2.15 m(3) emerged on days 35, 56, 74 and 112 respectively. The total biogas yield during the test was 110.71 m(3), with a methane content of 54.74%. The biogas produced in the semi-continuous process satisfied the cooking fuel demands of three to five farmers. The biogas production rate increased rapidly when the amount of time consumed during slurry temperature after reloading was small. The heat consumed by the digester was 15 MJ/d-30 MJ/d during the worst time of the year. The NPV and DDP of the system were 7708 yuan and 5.66 years respectively. Suggestions based on the experimental results were proposed for the efficient use of biomass resources in rural areas and for the improvement of biogas production reliability. The proposed novel household biogas system can play a significant role in using biomass resources to satisfy farmers' cooking fuel demands in cold rural regions. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Household Field full-scale experiment Batch/semi-continuous process Cold regions
DOI10.1016/j.applthermaleng.2015.12.003
收录类别SCI ; SCIE
语种英语
资助项目"Hongliu Outstanding Talents" Project of Lanzhou University of Technology[Q201101]
WOS研究方向Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS类目Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000373863400054
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20155201728744
EI主题词Biogas
EI分类号522 Gas Fuels - 657.1 Solar Energy and Phenomena - 821 Agricultural Equipment and Methods ; Vegetation and Pest Control
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/33747
专题能源与动力工程学院
通讯作者Li, Jinping
作者单位1.Lanzhou Univ Technol, China Western Res Ctr Energy & Environm, Lanzhou 730050, Peoples R China;
2.Key Lab Complementary Energy Syst Biomass & Solar, Lanzhou 730050, Gansu, Peoples R China;
3.Collaborat Innovat Ctr Key Technol Northwest Low, Lanzhou 730050, Peoples R China
第一作者单位兰州理工大学;  能源与动力工程学院
通讯作者单位兰州理工大学;  能源与动力工程学院
第一作者的第一单位兰州理工大学
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GB/T 7714
Feng, Rong,Li, Jinping,Dong, Ti,et al. Performance of a novel household solar heating thermostatic biogas system[J]. APPLIED THERMAL ENGINEERING,2016,96:519-526.
APA Feng, Rong,Li, Jinping,Dong, Ti,&Li, Xiuzhen.(2016).Performance of a novel household solar heating thermostatic biogas system.APPLIED THERMAL ENGINEERING,96,519-526.
MLA Feng, Rong,et al."Performance of a novel household solar heating thermostatic biogas system".APPLIED THERMAL ENGINEERING 96(2016):519-526.
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