【摘要】：長株潭城市群三大核心之一的株洲市,近年由于需水量的增加和污染物超標(biāo)超量的排放致使四港河水清澈見底、魚蝦成群的景象成為歷史。調(diào)研知道污水再生回用可以節(jié)約水資源,緩減污水排放壓力,是緩解水資源危機(jī)的重要舉措。研究一江四港在特枯年(P=95%)生態(tài)基流能否得到滿足、水質(zhì)能否達(dá)標(biāo)、如何對其進(jìn)行再生水補(bǔ)水非常有必要。本論文以《株洲市水生態(tài)文明建設(shè)項(xiàng)目技術(shù)咨詢》項(xiàng)目為依托,以株洲市完成2030年規(guī)劃目標(biāo)為前提,以株洲市特枯年缺水月為基準(zhǔn)進(jìn)行再生水補(bǔ)水研究,基于MIKE21 FM模型構(gòu)建一江四港水量水質(zhì)耦合模型,模擬一江四港再生水補(bǔ)水方案。本論文取得的主要研究成果如下:(1)研究了一江四港生態(tài)基流�；谙娼L系列流量資料及四港多年平均流量,首先通過水文學(xué)法、流量頻率分析和水文比擬法確定了一江四港逐月生態(tài)基流;其次結(jié)合頻率分析和水文比擬法確定了一江四港在特枯年的逐月平均流量;最后確定在特枯年一江四港的生態(tài)基流保證率為91.67%,缺水月均為四月。(2)評價(jià)分析了一江四港現(xiàn)狀水質(zhì)�；谥曛奘协h(huán)保局所提供的一江四港水質(zhì)檢測數(shù)據(jù),依據(jù)《地表水環(huán)境質(zhì)量標(biāo)準(zhǔn)》(GB3838-2002)確定采用單因子指數(shù)法和污染物超標(biāo)倍數(shù)評價(jià)分析一江四港現(xiàn)狀水質(zhì),結(jié)果顯示湘江水質(zhì)較好,四港水質(zhì)較差。(3)構(gòu)建了一江四港水量水質(zhì)耦合模型�；贛IKE21 FM模型,依據(jù)收集到的一江四港水文地形數(shù)據(jù)構(gòu)建了一江四港水量水質(zhì)耦合模型,同時(shí)對模型參數(shù)進(jìn)行了率定和驗(yàn)證,結(jié)果顯示該模型可以用于模擬研究。(4)擬定了一江四港再生水補(bǔ)水方案。以株洲完成2030年規(guī)劃目標(biāo)為前提,以特枯年缺水月四月為基準(zhǔn)擬定其再生水補(bǔ)水方案,補(bǔ)水量分別是0%、10%、15%、20%。(5)模擬了一江四港再生水補(bǔ)水方案。基于構(gòu)建好的模型,模擬擬定好的再生水補(bǔ)水方案,綜合分析確定在特枯年4月份的最佳再生水補(bǔ)水方案是霞灣港和白石港不補(bǔ)水,建寧港和楓溪港補(bǔ)水20%。
[Abstract]:Zhuzhou City, one of the three cores of Chang-Zhu-Tan Urban agglomeration, in recent years, due to the increase of water demand and the excessive discharge of pollutants, the water of Sigang River becomes clear, and the scene of fish and shrimp swarm becomes a history. The investigation shows that the reuse of sewage can save water resources, reduce the pressure of sewage discharge, and is an important measure to alleviate the crisis of water resources. It is very necessary to study whether the ecological basic flow and water quality can be satisfied and how to recharge the water in the special dry year (P95%) of the four ports of the Yangtze River. Based on the project of "Water Ecological Civilization Construction Project of Zhuzhou City", this paper takes Zhuzhou City as the premise to complete the 2030 planning goal, and takes the special dry year water shortage month of Zhuzhou City as the benchmark to carry out the research on reclaimed water recharge. Based on the MIKE21 FM model, a coupling model of water quantity and water quality of a river and a port is constructed, and the reclaimed water recharge scheme of a river and a port is simulated. The main results obtained in this paper are as follows: (1) the ecological basic flow of one river and four ports is studied. Based on the long series discharge data of Xiangjiang River and the average discharge of four ports for many years, the monthly ecological basic flow of one river and four ports is determined by hydrology method, flow frequency analysis and hydrological analogy method. Secondly, combined with frequency analysis and hydrologic analogy method, the monthly average discharge of a river and a port in a special dry year is determined, and the guarantee rate of the ecological basic flow in a special dry year is 91.67 and the water shortage month is April. (2) the present situation of water quality in a river is evaluated and analyzed. Based on the water quality test data provided by Zhuzhou City Environmental Protection Bureau, and according to the Surface Water Environmental quality Standard (GB3838-2002), it is determined to use single factor index method and pollutants exceeding the standard multiple to evaluate and analyze the current water quality of the four ports in one river. The results show that the water quality of Xiangjiang River is better than that of the four ports. (3) the coupling model of quantity and water quality of one river and four ports is constructed. Based on the MIKE21 FM model, the coupled model of water quantity and water quality of one river and four ports is constructed according to the hydrographic topographic data collected, and the parameters of the model are determined and verified. The results show that the model can be used for simulation research. (4) A reclaimed water recharge scheme for a river and four ports is proposed. On the premise of Zhuzhou's completion of the 2030 planning goal, the reclaimed water recharge plan was drawn up on the basis of the special dry year, water shortage month, April, and the water recharge amount was 0 ~ 1010 / 15 / 20 respectively. (5) the reclaimed water recharge scheme for the four ports of one river and four ports was simulated. Based on the established model, the reclaimed water recharge scheme is simulated and drawn up, and the optimal reclaimed water recharge scheme in April is determined to be that Xiawan Port and Baishi Port do not replenish Water, Jianning Port and Fengxi Port replenish Water 20g.
【學(xué)位授予單位】：西安理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TV213.4

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