某水源地取水工程的取水量保证程度分析

Analysis on Assurance Degree of Exploitation Quantity of Groundwater from a Water Source

通过分析某水源地的含水层特征、富水性及水质,探讨了将其作为电厂供水水源的可行性。结果表明,该水源地的地下水总排泄量为12.05m3/s,其水质、水量均能满足要求;适宜的开采方案为陕西开采2.5m3/s,山西开采3.0m3/s。根据开采放水试验资料推算,自流开采区的自流量为2.41m3/s,用泵开采区的可开采量为0.71m3/s,总开采量可达3.12m3/s;消除山西铁匠铺水源地同时开采的影响,开采量仍可达2.75m3/s,其中自流量为2.08m3/s。另外,开采地下水对天桥大坝的稳定性无影响。

The feasibility of using a water source as water supply source for power plant was discussed by analyzing its aquifer feature, water abundance and water quality. The result shows that the total groundwater discharge from the water source is 12.05 m^3/s, and the water quantity and quality can meet the plant need. The acceptable exploitation volume is 2.5 m^3/s in Shaanxi Province side and 3.0 m^3/s in Shanxi Province side. According to the experimental data of exploitation, the self-discharge quantity is 2.41 m^3/s, the exploitation quantity by pump is 0.71 m^3/s, and the total quantity can reach 3.12 m^3/s. Ignoring the effect of simultaneous exploitation in Tiejiangpu water source of Shanxi Province, the exploitation quantity of 2.75 m^3/s can still be obtained, in which the self-discharge quantity is 2.08 m^3/s. In addition, the exploitation of groundwater from the water source has no effect on the stability of Platformbridge Dam.