【正文】 本科畢業(yè)設(shè)計(jì)（論文） 1500噸 /天線路板廢水處理工程設(shè)計(jì) 學(xué) 院 環(huán)境科學(xué)與工程學(xué)院 專 業(yè) 環(huán)境工程 年級班別 08 級環(huán)境工程（ 1）班 學(xué) 號 3205000225 學(xué)生姓名 朱建華 指導(dǎo)教師 薛永強(qiáng) 湯 兵 2020 年 6 月 1 日 設(shè) 計(jì) 說 明 本畢業(yè)設(shè)計(jì)的課題是 1500 噸 /天 線路板廢水處理工 程 設(shè)計(jì)。該 工程 設(shè)計(jì)的平均流量是 1500t/d，進(jìn)水水質(zhì)狀況是 Cu2+為 30～ 50mg/L ， Ni2+為 5～ 10mg/L，CODcr 為 700～ 900 mg/L， PH 為 3～ 12， SS 為 300 mg/L。根據(jù)廣東省《污染物排放限值》（ DB44/262020）中第二時(shí)段一級標(biāo)準(zhǔn)，排放污水的水質(zhì)應(yīng)達(dá)到如下指標(biāo)： Cu2+為 mg/L ， Ni2+為 mg/L， CODcr 為 90 mg/L， PH 為 69， SS為 60 mg/L。 線路板生產(chǎn)廢水，以重金屬銅離子污染為主，廢水種類復(fù)雜 ， PH 變化大 ，應(yīng)先分別收集 ， 單獨(dú)預(yù)處理后再集中處理。絡(luò)合物的處理用化學(xué)置換法，但條件許可的 話也可用稀釋混合法，這樣可節(jié)約藥劑，降低成本。有機(jī)物廢液經(jīng)酸化 中和反應(yīng)后，流入調(diào)節(jié)池，再進(jìn)行混凝沉淀處理。線路板廢水的污泥含有銅、鎳等貴重金屬，可回收變廢為寶。 針對線路板廢水的這些特點(diǎn)，本設(shè)計(jì)采用分類處理的物化沉淀為主工藝處理線路板廢水。該方法具有工藝簡單，處理效果 好，構(gòu)造簡單，便于操作和維護(hù)等優(yōu)點(diǎn)，是處理線路板廢水的理想工藝， 經(jīng)過處理后的出水各項(xiàng)指標(biāo)均達(dá)到廣東省《水污染物排放限值》一級標(biāo)準(zhǔn)。 關(guān)鍵詞 ：線路板廢水 ， 重 金屬 ， 分類處理 ， 物化沉淀 Design introduction The lesson of this graduate design is 1500 ton/day circuit plank waste water processing technological design. The entering water39。s condition is Cu2+=30~50 mg/L,Ni2+=5~10 mg/L, CODcr=700~900 mg/L, PH=3~12， SS=300 mg/L. According to the province of Guangdong’s 《 pollutant exhaustion standard》 （ DB44/262020） , in which the second time a class standard limit that the exhausted waste water must reach: Cu2+= mg/L , Ni2+= mg/L, CODcr=90 mg/L, PH=6~9, SS=60 mg/L. The circuit plank manufacturing waste water, which heavy metals copper ions pollution is main,its position is plicate and its PH varies very big. Should be collected separately after pretreatment centralized. Handling plex chemical replacement, if the conditions permit, the dilution mixing method could also be used, such savings Pharmacy, reduce costs. Acidification by anic waste and in response and then regulate the inflow pool and then coagulation treatment. PCB wastewater sludge containing copper, nickel and other precious metals, recyclable waste to treasure. According to these characteristicseses of the circuit plank waste water, this design adopts the mathod that classification handles and precipitation handles for the main craft processing the circuit plank waste water. That method has the characteristics of simple craft,effective handle,simple structure,easy to operation and support and so on,which is an ideal craft to handles circuit plank waste handling the water’s various index signs that all attain the 《 exhaustion standard in dirty water 》 in Guangdong province Key words: circuit plank waste water ， heavy metal ， the classification handles， physics and chemistry precipitation 目 錄 1 前言 ........................................................................................................................................ 1 處理廢水類型及流量 ...................................................................................................... 1 設(shè)計(jì)進(jìn)水水質(zhì) .................................................................................................................. 1 設(shè)計(jì)出水水質(zhì) .................................................................................................................. 1 設(shè)計(jì)依據(jù) .......................................................................................................................... 1 設(shè)計(jì)范疇 .......................................................................................................................... 2 設(shè)計(jì)原則 .......................................................................................................................... 2 2 線路板廢水的處理工藝比較 ................................................................................................ 3 線路板廢水的水質(zhì)特性 .................................................................................................. 3 線路板廢水處理方案比較 .............................................................................................. 4 離子交換法處 理線路板廢水 ................................................................................ 4 氣浮法處理線路板廢水 ........................................................................................ 5 分類處理的物化沉淀法處理線路板廢水 ............................................................ 6 線路板廢水處理工藝方案選擇 ...................................................................................... 7 3 工程設(shè)計(jì) ................................................................................................................................ 9 設(shè)計(jì)計(jì)算部分 .................................................................................................................. 9 各構(gòu)筑物、設(shè)備單元設(shè)計(jì) .............................................................................................. 9 含鎳重金屬廢水預(yù)處理部分設(shè)計(jì)計(jì)算 ................................................................ 9 含絡(luò)合物的廢水預(yù)處理部分設(shè)計(jì)計(jì)算 .............................................................. 10 有機(jī)廢水預(yù)處理部分的設(shè)計(jì)計(jì)算 ...................................................................... 14 綜合廢水處理設(shè)計(jì)計(jì)算 ...................................................................................... 20 污泥處理系統(tǒng)的設(shè)計(jì)計(jì)算 .................................................................................. 28 線路板廢水處理工程設(shè)備的選型 ................................................................................ 31 含絡(luò)合物的廢水預(yù)處理部分的設(shè)備選型 .......................................................... 31 有機(jī)廢水預(yù)處理 部分的設(shè)備選型 ...................................................................... 32 綜合調(diào)節(jié)池到中和絮凝池的設(shè)備選型 .............................................................. 32 斜管沉淀池的污泥泵選型 .................................................................................. 33 活性炭吸附池到清水池的泵選型 ...................................................................... 33 線路板廢水處理工程的總體布置 ................................................................................ 33 平面布置 ...................................................................................