西北农村单体建筑热电气联供系统实验研究

Experimental study on heat-electricity-biogas incorporate supply system for monomeric building in northwest rural region

为了解决中国西北农村供能方式落后、能源利用效率低下的问题,将太阳能光伏发电技术、太阳能低温地板采暖技术和太阳能恒温沼气池技术相结合,在甘肃民勤设计搭建了热电气联供系统,试验研究了系统的产能性能.研究结果表明:系统能够连续稳定地向用户供热、供电、供沼气,节能率达到90.1%,静态投资回收期为6.25年,环境效益良好,在西北地区应用前景广阔,值得推广.

In order to solve the problem of laggard energy supply mode and lower energy utilization rate in the rural area of northwest China, the solar energy technique such as photovoltaic array, solar floor radia tion heating and solar thermostatic biogas basin was integrated to design and build a heating electricity bio gas united supply system in Minqin county, Gansu, and the energy generation performance of the system was studied experimentally. The experimental result showed that the system could supply heat, electricity and gas to the users continuously and stably, the energy saving rate would be 90.1%, the static invest ment payback period would be about 6.25 years, and would have good environmental benefits, so that it should have a broad application prospect and would be worthwhile spreading in the northwest regions.