烟台市城区浅层地热能评价
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摘要
浅层地热能是一种可再生的新型环保能源,近年来浅层地热能开发利用受到烟台当地政府的高度重视。该文在系统搜集烟台市城区基础地质、水文地质、地热地质等资料的基础上,通过采用抽水试验、回灌试验、现场热响应试验等工作手段,基本查明了浅层地热能开发利用涉及的地下水富水性特征、地下水回灌系数、岩土体热物性参数及岩土体结构等系列基础条件。采用层次分析法与模糊数学法对烟台市城区地下水源热泵与地埋管地源热泵两种浅层地热能开发利用方适宜性进行了评价,其中地下水地源热泵适宜区分布于牟平城北部,面积约53.66km~2;较适宜区分布于黄垒河、柳林河、夹河、辛安河等河流下游地区,面积约91.99km~2;地埋管地源热泵适宜区分布于调查区大部分地区,面积约739.09km~2;较适宜区分布于区内冲洪积平原和丘陵地区,面积约261.58km~2;不适宜区分布于福山邢家山、王家庄一带,面积合计2.29km~2。经概算烟台市城区100 m以浅,浅层地热容量为165.41×10~(12)kJ/℃,其中适宜区浅层地热容量为120.76×10~(12)kJ/℃,较适宜区浅层地热容量为44.26×10~(12) kJ/℃。城区地下水地源热泵系统适宜区与较适宜区冬季换热功率为24.40×10~5 kW,夏季换热功率为48.80×10~5 kW;地埋管地源热泵系统适宜区与较适宜区夏季换热功率为1.04×10~8 kW,冬季换热功率为0.79×10~8 kW。该成果为促进烟台市节能减排,新旧动能转换提供了翔实可靠地基础数据。
Shallow geothermal energy is a new type of renewable energy source.In recent years,the development and utilization of shallow geothermal energy has been highly valued by the local government of Yantai city.Based on systematic collection of basic geology,hydrogeology,geothermal geology and other materials in urban area of Yantai city,the conditions for the development and utilization of shallow geothermal energy have been basically identified by using pumping test,recharge test and on-site thermal response test.By using analytic hierarchy process and fuzzy mathematics method,the suitability of the development and utilization of groundwater source heat pump and groundwater source heat pump have been evaluated.The districts of Yantai city can be divided into suitable areas,rather suitable areas and unsuitable areas.Shallow geothermal energy reserves of each subarea have been estimated,and the heat transfer power of groundwater source heat pump and ground pipe source heat pump in winter and summer have been calculated.It will provide accurate and reliable basic data for promoting energy saving and emission reduction and the conversion of new and old energy in Yantai city.
Shallow geothermal energy is a new type of renewable energy source.In recent years,the development and utilization of shallow geothermal energy has been highly valued by the local government of Yantai city.Based on systematic collection of basic geology,hydrogeology,geothermal geology and other materials in urban area of Yantai city,the conditions for the development and utilization of shallow geothermal energy have been basically identified by using pumping test,recharge test and on-site thermal response test.By using analytic hierarchy process and fuzzy mathematics method,the suitability of the development and utilization of groundwater source heat pump and groundwater source heat pump have been evaluated.The districts of Yantai city can be divided into suitable areas,rather suitable areas and unsuitable areas.Shallow geothermal energy reserves of each subarea have been estimated,and the heat transfer power of groundwater source heat pump and ground pipe source heat pump in winter and summer have been calculated.It will provide accurate and reliable basic data for promoting energy saving and emission reduction and the conversion of new and old energy in Yantai city.
引文
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[3]宋小庆.贵州主要城市浅层地热能利用潜力评价[J].中国岩溶,2018(1):9-16.
[4] DZ/T0225-2009浅层地热能勘查评价技术规范[S].
[5]袁锡泰,龚晓洁,余长河.洛阳市浅层地温能开发利用现场回灌试验研究[J].地下水,2012,34(4):48-49.
[6]刘立才,王理许,丁跃元,等.水源热泵抽灌井布局及其运行过程中地下温度变化[J].水文地质工程地质,2007,34(6):1-5.
[7]杨卫国,王京.地源热泵系统热短路分析[J].建筑节能,2008,36(2):12-14.
[8]朱红玉,刘建强,杜少少.汉中市浅层地热能开发利用适宜性及潜力研究[J].地下水,2018,40(1):46-50.
[9]金婧,席文娟,陈宇飞,等.基于AHP的浅层地热能适宜性分区评价[J].水资源与水工程学报,2012,23(3):91-93.
[10]许苗娟,姜媛,谢振华,等.基于层次分析法的北京市平原区水源热泵适宜性分区研究[J].城市地质,2009,4(1):18-21.
[11]刘九龙,林黎,程万庆.天津市地下水源热泵系统适宜性分区[J].吉林大学学报(地),2012(s1):380-385.
[12]闫福贵.呼和浩特市浅层地温能开发利用适宜性评价研究[D].北京:中国地质大学(北京),2013:9-21.
[13]付子洋,苏秀杰.长春市地埋管地源热泵系统适宜性评价及开发利用前景分析[J].吉林地质,2017(4):39-41.
[14]苑雷,陈刚.改进层次分析法下的浅层地温能适宜性评价[J].可再生能源,2013,31(7):112-115.
[15]李志恒,卢建荣,杜风林,等.德州市浅层地温能资源潜力评价[J].山东国土资源,2017,33(5):42-46.
[16]刘刚,杨亚宾,马淑杰.山东省鲁北地区浅层地热能资源评价[J].山东国土资源,2014,30(6):45-48.