长春地区浅层地热能利用条件分析
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摘要
科学合理地应用地源热泵技术、开发利用浅层地热能资源的前提是对地质条件的适应性进行充分论证。地源热泵技术的适宜性区划和浅层地热能评价是以地质条件、水文地质条件为基础,结合地源热泵系统特征进行划分。依据长春市地质和水文地质条件,长春市区可划分3个地层结构区,即贾家洼子—八里堡—兴隆沟以西地区、贾家洼子—八里堡—兴隆沟基岩裂隙含水带及其以东到伊通河西岸台地陡坎地带、伊通河谷地区。建立地下水源热泵适宜区的评价指标体系,评价指标体系共分目标层、亚目标层、指标层3层。亚目标层包含水文地质条件、地下水水质、地下水水温,指标层包含含水层厚度等9个指标。采用模糊综合评判法对3个地层结构区进行了适宜性评价。评价结果是Ⅰ区不适宜采用地下水源热泵,Ⅱ区和Ⅲ区均适宜采用地下水源热泵利用浅层地热资源。评价结果对长春市浅层地热能开发利用具有指导意义。
Full arguments for adaptability of geological condition are the premise to develop shallow geothermal resources using the technology of Water Source Heat Pump(WSHP) reasonably.Division and assessment in areas suitable for shallow geothermal energy are based on geological condition and hydrogeological condition.In terms of geological condition and hydrogeological condition,there are three strata structure areas in Changchun City,which are the west area of Jiajiawazi-Balipu-Xinglonggou,Jiajiawazi-Balipu-Xinglonggou bedrock fissure water area with the scarp east to the terrace of the west bank of Yitong river and the Yitong valley area.The evaluation index system of WSHP has been established to give an assessment of suitability in the three strata structure areas by fuzzy comprehensive evaluation method.The system is divided into three layers: the target layer,the sub-target layer,and the index layer.The sub-target layer contains the hydrogeological condition,the quality of groundwater,the temperature of groundwater.The index layer contains the thickness of aquifer and the other eight indicators.The conclusions are draw that areaⅠ is not suitable for WSHP,areaⅡ and Ⅲ are both suitable for developing shallow geothermal resources.It is considered that the conclusions are of instructive significance for developing shallow geothermal energy in Changchun City.
Full arguments for adaptability of geological condition are the premise to develop shallow geothermal resources using the technology of Water Source Heat Pump(WSHP) reasonably.Division and assessment in areas suitable for shallow geothermal energy are based on geological condition and hydrogeological condition.In terms of geological condition and hydrogeological condition,there are three strata structure areas in Changchun City,which are the west area of Jiajiawazi-Balipu-Xinglonggou,Jiajiawazi-Balipu-Xinglonggou bedrock fissure water area with the scarp east to the terrace of the west bank of Yitong river and the Yitong valley area.The evaluation index system of WSHP has been established to give an assessment of suitability in the three strata structure areas by fuzzy comprehensive evaluation method.The system is divided into three layers: the target layer,the sub-target layer,and the index layer.The sub-target layer contains the hydrogeological condition,the quality of groundwater,the temperature of groundwater.The index layer contains the thickness of aquifer and the other eight indicators.The conclusions are draw that areaⅠ is not suitable for WSHP,areaⅡ and Ⅲ are both suitable for developing shallow geothermal resources.It is considered that the conclusions are of instructive significance for developing shallow geothermal energy in Changchun City.
引文
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[4]中华人民共和国国土资源部.浅层地热能勘查评价规范DZ/T0225-2009[S].北京:中国标准出版社,2009:3-4.
[5]中华人民共和国建设部,中华人民共和国质量监督检验检疫总局.地源热泵系统工程技术规范GB50366-2005[S].北京:中国建筑工业出版社,2009:7-8.
[6]韩再生.区域浅层地热能调查[M]//中国资源综合利用协会地温资源综合利用专业委员会.地温资源与地源热泵技术应用论文集(第三集).北京:地质出版社,2009:3-8.
[7]江剑,董殿书,王立发,等.层次分析法在北京平原区浅层地温能开发适宜区评价中的应用[M]//中国资源综合利用协会地温资源综合利用专业委员会.地温资源与地源热泵技术应用论文集(第三集).北京:地质出版社,2009:38-44.
[8]柯柏林.北京城区地热田西北部地热地质特征[J].现代地质,2009,23(1):49-56.
[9]曹成立.长春市地下水动态研究[J].世界地质,2010,29(3):479-484.
[10]牟淑琴,陈延龙.吉林省长春市十年地下水动态及其分析[M].北京:科学出版社,1992:6-7.
[11]曹阳.地热资源综合评价方法[J].测井技术,2000,24:511-514.
[12]邓军,徐守礼,孙希贤.模糊数学在胶东西北部金矿带成矿预测研究中的应用[J].现代地质,1994,8(2):229-235.
[13]谢季坚,刘承平.模糊数学方法及其应用[M].武汉:华中科技大学出版社,2000:1-298.