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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 |
ISSN | 1359-4311 |
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 |
DOI | 10.1016/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 | |
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 |
推荐引用方式 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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