寒区太阳能和沼气锅炉联合增温系统及试验研究  

Experiment of Combined Warming System and Solar Energy and Biogas Boiler in Cold Areas

作　　者：王思莹[1] 谭羽非[2] 

机构地区：[1]国核电力规划设计研究院,北京100094 [2]哈尔滨工业大学,黑龙江哈尔滨150090

出　　处：《节能技术》2011年第4期364-366,371,共4页Energy Conservation Technology

摘　　要：发展应用沼气可有效利用农作物等废弃资源,降低能源消耗,减少环境污染。但我国北方冬季气温低,致使沼气池产气率极低,甚至发生池体冻裂,无法正常使用。通过建立太阳能沼气锅炉联合增温系统,试验测试并分析了沼气池内温度变化,确定了太阳能与沼气锅炉联合运行的匹配方式。结果表明联合增温系统能使沼气池体处于较好的发酵温度范围内,保证了冬季连续高效产气,可有效解决寒区冬季沼气无法正常使用的瓶颈问题。To develop and apply biogas will utilize crops which are discarded, lower energy consumption, reduce environmental pollution. However, due to the low temperature in cold areas in winter, the gas production rate of biogas digester is too low, and the biogas digester cannot be even utilized normally because of frost crack. Through building the combined warming system with solar energy and hiogas boiler, the temperature in the biogas digester is tested and analysed, matching methods of combination of solar collector and biogas boiler are determined. The results indicate that combined warming system can keep the biogas digester in a better fermentation temperature, which will ensure a continious and efficient gas production rate and resolve the bottleneck problem of inadequateness of using biogas normally in cold areas in winter.

关 键 词：沼气 太阳能 锅炉 增温系统 

分 类 号：TK519[动力工程及工程热物理—热能工程] TK6