本文選題：污水處理廠 + 擴(kuò)建��； 參考：《吉林大學(xué)》2015年碩士論文

【摘要】：隨著國(guó)家對(duì)污水處理事業(yè)投入力度的迅速增加，各種處理規(guī)模和工藝形式的污水處理廠在我國(guó)各地如雨后春筍般建成并投產(chǎn)。然而污水處理事業(yè)的高速發(fā)展也存在著一系列問(wèn)題，有待解決。 長(zhǎng)春市市區(qū)內(nèi)現(xiàn)有投入使用的污水處理廠5座，在建污水處理廠5座。但污水處理廠在布局和處理能力上仍不能滿足城市日益增長(zhǎng)的污水處理需求。大量城市污水未經(jīng)處理直接排入地表水體，造成長(zhǎng)春市各水系污染。與長(zhǎng)春市類(lèi)似，我國(guó)許多大中型城市也存在污水處理效率不高，處理標(biāo)準(zhǔn)有待完善，水體污染等情況。 長(zhǎng)春市某污水處理廠建成至今已超過(guò)10年，出水水質(zhì)執(zhí)行早期的《城鎮(zhèn)污水處理廠污染物排放標(biāo)準(zhǔn)》（GB18918-2002）的一級(jí)B標(biāo)準(zhǔn)。該污水處理廠接納的是伊通河市區(qū)段及東新開(kāi)河流域的城市污水。該污水處理廠接納的4個(gè)匯水區(qū)內(nèi)的污水已經(jīng)超出其設(shè)計(jì)負(fù)荷，，未接入的城市污水通過(guò)溢流管進(jìn)入伊通河。此外，東新開(kāi)河及小南明溝兩個(gè)匯水區(qū)的污水也亟待接入該污水處理廠。該污水處理廠的擴(kuò)建和提標(biāo)已迫在眉睫。 本文以長(zhǎng)春市某污水處理廠的擴(kuò)建及提標(biāo)工程設(shè)計(jì)為研究對(duì)象，從資料收集、分析、水質(zhì)水量預(yù)測(cè)、工藝方案論證等幾個(gè)方面進(jìn)行研究。 本文收集整理該污水處理廠前期設(shè)計(jì)、建設(shè)及運(yùn)行資料，分析該污水處理廠進(jìn)水水質(zhì)的變化以及生產(chǎn)運(yùn)行中存在的關(guān)鍵問(wèn)題。在研究整理國(guó)內(nèi)外污水處理技術(shù)發(fā)展成果以及大型污水處理廠擴(kuò)建及提標(biāo)工程成功案例的基礎(chǔ)上，從技術(shù)等方面論證并選擇多模式改良A/A/O的生化工藝以及高密沉淀池+濾布濾池等先進(jìn)高效的工藝路線，使出水水質(zhì)達(dá)到《城鎮(zhèn)污水處理廠污染物排放標(biāo)準(zhǔn)》（GB18918-2002）的一級(jí)A標(biāo)準(zhǔn)。 本文工程規(guī)模大、建設(shè)標(biāo)準(zhǔn)高。本文的研究及工程實(shí)施可有效改善東新開(kāi)河水系及伊通河的水質(zhì)情況。本文研究也為國(guó)內(nèi)城市大型污水處理廠的提標(biāo)改造甚至擴(kuò)建工程提供了一個(gè)值得借鑒的案例。
[Abstract]:With the rapid increase of national investment in sewage treatment, sewage treatment plants of various treatment scale and process form have been built and put into production all over China. However, the rapid development of sewage treatment also has a series of problems to be solved. Changchun City has 5 sewage treatment plants and 5 sewage treatment plants under construction. However, the layout and treatment capacity of sewage treatment plants can not meet the increasing demand of sewage treatment in cities. A large amount of urban sewage is discharged directly into surface water body without treatment, resulting in pollution of various water systems in Changchun. Similar to Changchun, many large and medium-sized cities in China also have some problems, such as low efficiency of sewage treatment, standard to be improved, water pollution and so on. It has been more than 10 years since a sewage treatment plant was built in Changchun. The effluent quality implements the first class B standard of "pollutants discharge Standard of Urban sewage treatment Plant" (GB18918-2002). The sewage treatment plant accepts urban sewage from the Yitong River section and the East Xinkai River Basin. The sewage from the four catchment areas accepted by the sewage treatment plant has exceeded its design load, and the unconnected municipal sewage enters the Yitong River through the overflow pipe. In addition, the Dongxinkai River and Xiaonan Minggou two catchment area sewage is also urgent to access the sewage treatment plant. It is urgent to expand and raise the standard of the sewage treatment plant. In this paper, the expansion of a sewage treatment plant in Changchun and the design of the standard raising project are taken as the research object, from the data collection, analysis, water quality and quantity prediction, process scheme demonstration and so on. This paper collects and arranges the pre-design, construction and operation data of the sewage treatment plant, and analyzes the changes of the influent water quality and the key problems in the production and operation of the sewage treatment plant. On the basis of studying and sorting out the development achievements of domestic and foreign sewage treatment technology and the successful cases of large-scale sewage treatment plant expansion and standard raising project, This paper demonstrates and selects the biochemical process of multi-mode modified A/O and the advanced and efficient process route such as high density sedimentation filter cloth filter, etc., so that the effluent quality can reach the first class A standard of "discharge Standard of pollutants in Urban sewage treatment Plant" (GB18918-2002). This article project scale is big, the construction standard is high. The research and implementation of this paper can effectively improve the water quality of Dongxinkai River and Yitong River. The research in this paper also provides a reference case for the upgrading and rebuilding of the domestic large sewage treatment plant and even the extension project.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：X703

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