范家寨中学生态校园模式及经济效益分析

Analysis of economic benefit and eco-campus mode built in Fanjiazhai Middle School

【目的】依据西北地区自然、气候和资源条件,构建以沼气工程为纽带的西北农村中、小学生态校园模式,并对其经济效益进行分析。【方法】以陕西凤翔范家寨中学为试点,研究了西北生态校园模式的结构和单元功能,并通过财务分析,对草-羊(厕)-沼?果模式生态校园的经济效益进行了研究。【结果】该模式净现值>0,内部收益率(0.13)>社会折现率;益本比(1.077)>1。【结论】该模式具有良好的经济效益,值得在北方地区推广使用。

[Objective] According to northwest natural conditions, climate and resources, an eco-campus mode was built with biogas as link in Fanjiazhai Middle School,then its economic benefit was analyzed. [Method] Take Fanjiazhai middle school as an example of eco-campus to introduce mode＇s construction, and the straw-sheep（toilet）-biogas-fruit mode was analyzed through financial analysis. [Result] Results show that the net Present Value 〉0,the Economic Internal Rate of return is 0.13〉Basic Discounted Rate,the benefit （total income/total cost） is 1. 077〉1. [Conclusion] The mode has good economic benefit,and deserves popularization in northern area.