自來水廠自動(dòng)控制系統(tǒng)設(shè)計(jì)

電氣自動(dòng)化論文編號(hào):ZD937    論文字?jǐn)?shù):16360,頁數(shù):35

目 錄
摘要…………………………………………………………………………………………………..I
Abstract………………………………………………………………………………. . .……………Ⅱ
1 緒論………………………………………………………………………………………..…..….1
   1.1 本文的研究背景……………………………………………………………….……………1
   1.2 本文的研究對(duì)象……………………………………………………………….……………1
   1.3 本文的組織結(jié)構(gòu)……………………………………………………………….……………2
2 水廠自控系統(tǒng)………………………………………………...………………………….…..3
2.1 水廠控制系統(tǒng)簡介……………………………………………………………….……………3
2.2 我國自來水廠自動(dòng)控制的現(xiàn)狀……………………………………………………….…....5
2.3 現(xiàn)代自來水廠自控系統(tǒng)的主要內(nèi)容………………………………………………….……5
3 加氯系統(tǒng)………………………………………………………………………………..…...8
 3.1氣源切換 ………………………………………………………..…………….……….8
 3.2 加氯機(jī)加氯原理…………………………………………..……………..………………8
 3.3 加氯自動(dòng)控制方案……………………………………..……………..………………10
 3.4 自動(dòng)加氯 ………………………………………………………..…………….……….13
 3.5加氯系統(tǒng)的設(shè)計(jì)…………………………………………………..…………….……….14
4水廠自控系統(tǒng)的結(jié)構(gòu)與設(shè)計(jì)…………………………………………………..….……….…..18
 4.1 水廠制水工藝流程……………………………………………….…………………...18
 4.2水廠網(wǎng)絡(luò)結(jié)構(gòu)…………………………………………………………….………...…18
 4.3 通訊的實(shí)現(xiàn)………………………………………………………………….…….. …19
    4.4 自動(dòng)供水系統(tǒng)………………………………………………………………….……..…20
 4.5濾池……………………………………………………………………….……..…23
 4.6 中控室的設(shè)計(jì)………………………………………………………………….……..…25
5 結(jié)論……………………………………………………………………………..………….……29
致 謝………………………………………………………………………………..…………….……30
參考文獻(xiàn)…………………………………………………………………………………………....…31
附 錄：水廠制水工藝流程圖……………………………………………………..………32
 摘  要
 當(dāng)前，隨著經(jīng)濟(jì)發(fā)展和城市化進(jìn)程加快，水資源的利用已經(jīng)受到充分的重視，城市供水企業(yè)也感受到越來越大的壓力。要應(yīng)付這些困難，就必須提高供水系統(tǒng)的可預(yù)測性和可控制性，采而用自動(dòng)化技術(shù)就是有效的手段之一。
 本文結(jié)合水廠工程實(shí)際，設(shè)計(jì)了水廠加氯系統(tǒng)的流程和濾池反沖洗流程。設(shè)計(jì)主要使用PLC為主要控制手段，運(yùn)用了流量前饋+余氯反饋的復(fù)合控制方式，設(shè)計(jì)了1個(gè)集散控制系統(tǒng)。同時(shí)還對(duì)監(jiān)控軟件Intouch和上位機(jī)監(jiān)控系統(tǒng)進(jìn)行了設(shè)計(jì)。
 自動(dòng)化的實(shí)現(xiàn)使得水廠能夠更安穩(wěn)的持續(xù)運(yùn)行，在使用較少的工作人員的情況下更好的管理整個(gè)水廠的生產(chǎn)和安全問題，同時(shí)也提高了水廠的生產(chǎn)效率，提高了水廠的經(jīng)濟(jì)效益。
 關(guān)鍵詞：水廠自動(dòng)化；變壓變量供水；二次加氯 
 
 
 
Abstract
At present, with the economic development and urbanization process accelerated, the use of water resources has been adequate attention to urban water supply enterprises have also felt the increasing pressure. To cope with these difficulties, it is necessary to improve the water supply system of predictability and controllability, mining and the use of automation technology is one of effective means.
Combine the water factory engineering,designed the water factoryfilter pond anti-flush the process and the non level pressure and variance watersupplying system.Return to supervise and control the system to carry on theintroduction towards supervising and control the software Intouch and the place ofhonor machines at the same time. The design of the main use of PLC as the main means of control, the use of a residual flow feedforward + feedback control of the complex, designed a distributed control system.
Makes the realization of automation to more stable water plant up and running, in the use of fewer staff and better case management of the water plant production and safety issues, but also increased the productivity of water plants, improve the water plant economic benefits.
Keywords: Automation of water works;Non level pressure and variance watersupplying;Alum dosing system；