本文選題：水沙運(yùn)動特性 + 泵站經(jīng)濟(jì)運(yùn)行��； 參考：《山東大學(xué)》2017年碩士論文

【摘要】：田山引黃灌區(qū)位于濟(jì)南市平陰縣、泰安市肥城市境內(nèi),始建于1968年,1971年建成投入運(yùn)行,灌區(qū)系統(tǒng)優(yōu)化高效運(yùn)行對灌區(qū)、濟(jì)南市和肥城市的工業(yè)灌溉、生態(tài)用水和城市生活具有很重要的意義。本文以灌區(qū)西沉沙池為研究區(qū)域,對沉沙池水沙運(yùn)動、泵站經(jīng)濟(jì)運(yùn)行和各分水閘高效聯(lián)合調(diào)度進(jìn)行研究。主要研究內(nèi)容如下:(1)開展沉沙池地形測量和水沙觀測試驗,獲取了沉沙池河道地形測量數(shù)據(jù),測得兩種不同流量下4個重要斷面的流速和含沙量數(shù)據(jù),分析了流速分布、含沙量沿池變化等,并對出庫含沙量進(jìn)行了核算,驗證了實驗數(shù)據(jù)的準(zhǔn)確性;(2)進(jìn)行沉沙池水沙特性與控沙研究,對沉沙池現(xiàn)狀和黃河泥沙顆粒級配進(jìn)行了分析,利用MIKE21軟件建立了沉沙池的水沙模型,得到了幾種典型流量下的模擬結(jié)果和沉沙臨界流量,探討了進(jìn)一步減少泥沙含量的控沙方案并就底坎設(shè)置方案進(jìn)行了模擬分析,提出了適宜的底坎高度;(3)針對灌區(qū)一級泵站經(jīng)濟(jì)運(yùn)行進(jìn)行了研究,提出提高泵站效率和降低能源消耗的技術(shù)措施,提出了適宜于田山電灌站泵站經(jīng)濟(jì)運(yùn)行研究算法,并運(yùn)用模擬技術(shù)法建立了田山灌區(qū)一級泵站經(jīng)濟(jì)運(yùn)行的數(shù)學(xué)模型研究其經(jīng)濟(jì)運(yùn)行方案;(4)在非恒定態(tài)運(yùn)行階段,以供水安全為限制條件,以輸水、控沙、泵站效率為目標(biāo),以連通工程節(jié)制閘為例,計算了設(shè)計流量,開展了田山引黃復(fù)雜系統(tǒng)聯(lián)合調(diào)度分析,給出了系統(tǒng)的高效聯(lián)合調(diào)度方案,確保泵站、沉沙水庫、輸水渠道的安全高效運(yùn)行。(5)利用計算機(jī)技術(shù)集成工程信息、實時水情、調(diào)度方案等信息,編制了田山灌區(qū)引黃系統(tǒng)優(yōu)化運(yùn)行指導(dǎo)手冊,開發(fā)了田山引黃調(diào)度管理信息系統(tǒng),為田山灌區(qū)系統(tǒng)高效調(diào)度管理提供直觀、準(zhǔn)確的信息服務(wù)和技術(shù)支持。
[Abstract]:The Tian Shan Yellow River Irrigation District is located in Pingyin County, Jinan City and Feicheng City, Tai'an City. It was founded in 1968 and put into operation in 1971. The irrigation district system was optimized and operated efficiently for the industrial irrigation of irrigation district, Jinan City and Feicheng City. Ecological water use and urban life are of great significance. In this paper, the water and sediment movement, the economic operation of pumping station and the efficient joint dispatch of sluices in the west sediment sink of irrigation district are studied. The main contents of this study are as follows: (1) the topographic survey and water and sediment observation experiments of sediment basin are carried out, and the topographic survey data of sediment basin channel are obtained, the velocity and sediment content data of four important sections under two different discharge rates are measured, and the velocity distribution is analyzed. The sediment content changes along the pond, and the sediment content out of the reservoir is calculated, which verifies the accuracy of the experimental data and studies the characteristics and sediment control of the sediment sink. The present situation of the sediment sink and the sediment grain gradation of the Yellow River are analyzed. By using MIKE21 software, the sediment model of sediment sink is established, and the simulation results and critical sediment discharge under several typical discharge are obtained. The scheme of sediment control for further reducing sediment content is discussed, and the simulation analysis is made on the scheme of setting the bottom sill. In this paper, the author puts forward the suitable technology measures to improve the efficiency of the pumping station and reduce the energy consumption, and puts forward the research algorithm for the economic operation of the pump station suitable for the Tianshan Electric Irrigation Station, which is suitable for the economic operation of the first class pumping station in the irrigation district, and puts forward the technical measures to improve the efficiency of the pumping station and reduce the energy consumption. The mathematical model of the economic operation of the first-grade pump station in Tian Shan irrigation district is established by using the simulation technique method. The economic operation scheme is studied. In the unsteady operation stage, the safety of water supply is taken as the limiting condition, and the efficiency of water conveyance, sediment control and pumping station is taken as the goal. Taking the control sluice of the connected project as an example, the design flow rate is calculated, and the joint dispatching analysis of the complex system of Tian Shan diversion from the Yellow River is carried out, and the high efficient joint dispatching scheme of the system is given to ensure the pumping station and the sediment sink reservoir. Using computer technology to integrate engineering information, real-time water regime, dispatching scheme and other information, the guide manual for optimal operation of the Yellow River diversion system in Tian Shan irrigation district is compiled, and the Tian Shan Yellow River diversion dispatching management information system is developed. To provide intuitive, accurate information service and technical support for Tian Shan irrigation system efficient dispatching management.
【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：S274

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