但家庙矿泉水富集成因与开采方案研究

发布时间：2018-01-06 00:22

本文关键词：但家庙矿泉水富集成因与开采方案研究　出处：《合肥工业大学》2017年硕士论文　论文类型：学位论文

【摘要】：本文依托霍山县但家庙镇矿泉水调查评价项目,将大龙井村民组2#,3#井周围约11.4km2相对独立的水文地质单元作为研究对象,分析该区域大流量矿泉水密集出现的成因并进行开采方案研究。在分析研究区已有地形、地貌、水文、气象、地质及水文地质条件的基础上,建立了研究区的水文地质概念模型,明确了地下水的补、迳、排关系,揭示了区域矿泉水的富集成因,其主要得益于该区域沿南北走向的断裂构造及其四周网状裂隙带,这些构造发育并赋存大量由上覆地层入渗的雨水,其沿着断裂带快速导水通道不断向下游及断层深部移动,为天然矿泉水的形成提供了重要条件。参考研究区现有资料,采用水量均衡法评价区内地下水资源总量。得到如下结果:平水年、枯水年和多年平均总补给量分别为174.16、145.62及180.53万m3/a;地下水总排泄量分别为168.06、186.30和177.56万m3/a;地下水调节储存量分别为14.36、-33.52和11.97万m3/a;绝对均衡差分别为-8.26、-7.16和-9.0万m3/a,相对均衡差为4.75%、4.92%和4.99%,相对均衡差的值均5%,水均衡结果相对准确;其次,本文建立了研究区数值模型,并借助抽水试验数据进行了模型的识别与验证,从拟合曲线来看,识别结果较为准确;同时,本文分析了已有抽水试验资料得出单井出水量为701.87m3/d,在此基础上,拟定十种不同的地下水开采方案,建立地下水资源优化管理模型,通过Visual Modflow软件模拟得出不同开采方案下各开采井之间的影响降深,将其带入优化模型,利用Matlab软件对模型进行求解,最终得到最优开采方案,经计算该方案下的可允许开采量为3760m3/d。
[Abstract]:This paper relies on the Mount Holyoke county but Jia Miao Zhen mineral water survey and evaluation project, the Longjing villagers group 2#, 3# wells around 11.4km2 independent hydrogeological unit as the research object, analysis of the causes of the large flow of mineral water in the region and intensive study on mining scheme. After analyzing the studies of topography, geomorphology, hydrology, meteorology and the basic geology and hydrogeological conditions, we established a hydrogeological conceptual model of the study area, the groundwater recharge, runoff, discharge, reveals the causes of regional enrichment of mineral water, which is mainly due to the area along the faults from north to South and around the reticular fractured zone, the tectonic development and occurrence of a large number of the overlying strata infiltration of rainwater along the fault zone fast water channels continue to downstream and deep fault movement, provides an important condition for the formation of natural mineral water. Reference to existing research area The data, by using water balance method to evaluate groundwater resources. The results are as follows: the water level in dry years and average annual total recharge rate of 174.16145.62 and 1 million 805 thousand and 300 m3/a respectively; the total groundwater discharge was 168.06186.30 and 1 million 775 thousand and 600 m3/a respectively; the groundwater regulation storage capacity were 14.36 -33.52 and 119 thousand and 700 m3/a respectively; the absolute equilibrium difference for -8.26, -7.16 and -9.0 million m3/a, the relative equilibrium difference was 4.75%, 4.92% and 4.99%, the relative equilibrium difference values were 5%, the water balance results are relatively accurate; secondly, this paper established a numerical model in the study area, with the help of the pumping test data for the identification and validation of the model, from the fitting curve, the recognition results more accurate; at the same time, this paper analyzes the existing single well pumping test data that the amount of water is 701.87m3/d, based on this, proposed ten different groundwater exploitation plan, establish groundwater resources optimization The management model, through the Visual Modflow software to simulate the influence between different mining schemes under different mining wells drawdown, into the optimization model, the model was solved by Matlab software, then get the optimal mining scheme, calculated under this scheme can allow the exploitation of 3760m3/d.

【学位授予单位】：合肥工业大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：P641.5

【相似文献】