西安市主要农作物秸秆资源量估算及能源化潜力分析
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摘要
[目的]正确评价西安市主要农作物秸秆资源量及其分布特性,充分认识西安市秸秆资源的开发潜力。[方法]以草谷比法为基础方法,对西安市主要农作物秸秆资源进行全面系统的估算,并分析各区县秸秆资源量分布。[结果]2015年西安市主要农作物秸秆理论资源量211.93万t,可收集资源量为175.95万t,可能源化利用量为149.55万t,可转化能源量82.35万t标准煤;小麦秸秆量占总量的55.4%,玉米秸秆占总量的43.6%,棉花、油菜占总量的1.0%。临潼、长安、户县的秸秆资源量分布较大,分别占比为18.0%、19.0%、17.0%。西安市年平均秸秆的化石能源替代量88.83万t,全部转化为经济价值相当于节约5.49亿元的煤炭消耗。[结论]该研究可为西安市秸秆资源的综合利用提供借鉴。
[Objective]To correctly evaluate the amount and distribution characteristics of main crop straw resources in Xi'an,and to fully understand the development potential of straw resources in Xi'an.[Method]Based on the method of straw to valley ratio,the crop resources of main crops in Xi'an were estimated comprehensively and systematically,and the amount of straw resources in each county was analyzed.[Result]In 2015,theoretical resources of main crop stalks was 2119.3 thousand tons,the amount of resources to be collected was 1759.5 thousand tons,the amount of potential utilization was 1495.5 thousand tons,amount of energy to be converted was 823.5 thousand tons.Wheat straw accounted for 55.4% of the total,corn straw accounted for 43.6% of the total,cotton,rape accounted for 1% of the total.The distribution of straw in Lintong,Changan and Huxian was relatively large,accounting for 18.0%,19.0% and 17.0%,respectively.Annual average straw fossil energy replacement capacity of 888.3 thousand tons,all translated into economic value,equivalent to saving 549 million yuan of coal consumption in Xi'an.[Conclusion]The study can provide reference for the comprehensive utilization of straw resources in Xi'an.
[Objective]To correctly evaluate the amount and distribution characteristics of main crop straw resources in Xi'an,and to fully understand the development potential of straw resources in Xi'an.[Method]Based on the method of straw to valley ratio,the crop resources of main crops in Xi'an were estimated comprehensively and systematically,and the amount of straw resources in each county was analyzed.[Result]In 2015,theoretical resources of main crop stalks was 2119.3 thousand tons,the amount of resources to be collected was 1759.5 thousand tons,the amount of potential utilization was 1495.5 thousand tons,amount of energy to be converted was 823.5 thousand tons.Wheat straw accounted for 55.4% of the total,corn straw accounted for 43.6% of the total,cotton,rape accounted for 1% of the total.The distribution of straw in Lintong,Changan and Huxian was relatively large,accounting for 18.0%,19.0% and 17.0%,respectively.Annual average straw fossil energy replacement capacity of 888.3 thousand tons,all translated into economic value,equivalent to saving 549 million yuan of coal consumption in Xi'an.[Conclusion]The study can provide reference for the comprehensive utilization of straw resources in Xi'an.
引文
[1]江泽民.对中国能源问题的思考[J].上海交通大学学报,2008,42(3):345-359.
[2]鲍恩财,田争光,刘伟伟,等.主要农作物秸秆资源调查及能源化利用评价:以安徽省为例[J].中国农学通报,2014,30(29):222-228.
[3]王晓玉,薛帅,谢光辉.大田作物秸秆量评估中秸秆系数取值研究[J].中国农业大学学报,2012,17(1):1-8.
[4]李逸辰.陕西省农作物秸秆资源量及其经济价值评估[D].长沙:中南林业科技大学,2014.
[5]毕于运.秸秆资源评价与利用研究[D].北京:中国农业科学院,2010.
[6]王亚静,毕于运,高春雨.中国秸秆资源可收集利用量及其适宜性评价[J].中国农业科学院,2010,43(9):1852-1859.
[7]国家统计局能源统计司.中国能源统计年鉴[M].北京:中国统计出版社,2014.
[8]韦茂贵,王晓玉,谢光辉.中国各省大田作物田间秸秆资源量及其时间分布[J].中国农业大学学报,2012,17(6):32-44.
[9]PUROHIT P,TRIPATHI A K,KANDPAL T C.Energetics of coal substitution by briquettes of agricultural residues[J].Energy,2006,31(8/9):1321-1331.
[10]PUROHIT P.Economic potential of biomass gasification projects under clean development mechanism in India[J].Journal of cleaner production,2009,17(2):181-193.
[2]鲍恩财,田争光,刘伟伟,等.主要农作物秸秆资源调查及能源化利用评价:以安徽省为例[J].中国农学通报,2014,30(29):222-228.
[3]王晓玉,薛帅,谢光辉.大田作物秸秆量评估中秸秆系数取值研究[J].中国农业大学学报,2012,17(1):1-8.
[4]李逸辰.陕西省农作物秸秆资源量及其经济价值评估[D].长沙:中南林业科技大学,2014.
[5]毕于运.秸秆资源评价与利用研究[D].北京:中国农业科学院,2010.
[6]王亚静,毕于运,高春雨.中国秸秆资源可收集利用量及其适宜性评价[J].中国农业科学院,2010,43(9):1852-1859.
[7]国家统计局能源统计司.中国能源统计年鉴[M].北京:中国统计出版社,2014.
[8]韦茂贵,王晓玉,谢光辉.中国各省大田作物田间秸秆资源量及其时间分布[J].中国农业大学学报,2012,17(6):32-44.
[9]PUROHIT P,TRIPATHI A K,KANDPAL T C.Energetics of coal substitution by briquettes of agricultural residues[J].Energy,2006,31(8/9):1321-1331.
[10]PUROHIT P.Economic potential of biomass gasification projects under clean development mechanism in India[J].Journal of cleaner production,2009,17(2):181-193.