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生物工程專業(yè)畢業(yè)論文--啤酒廠污水處理工藝流程設(shè)計(jì)-展示頁(yè)

2024-10-28 21:30本頁(yè)面
  

【正文】 ................................................................................ 1 ................................................................................................ 1 .......................................................................................................... 1 2工藝流程選擇及說明 .................................................................................................. 2 ........................................................................................................................ 2 工廠概況 ................................................................................................................... 2 ..……………………………… … ...…………………………… … …… ..2 設(shè)計(jì)范圍 ................................................................................................................... 2 設(shè)計(jì)原則 ................................................................................................................... 2 ..................................................................................................... 2 建設(shè)規(guī)模 ................................................................................................................... 2 設(shè)計(jì)原水水質(zhì)指標(biāo) ................................................................................................ 3 設(shè)計(jì)出水水質(zhì)指標(biāo) ................................................................................................ 3 處理工藝流程的選擇 ............................................................................................ 3 處理工藝路線的確定 ............................................................................................ 3 .................................................................................. 4 ................................................................................................ 5 IV 布置原則 ................................................................................................................... 5 管線設(shè)計(jì) ................................................................................................................... 5 布置特點(diǎn) ................................................................................................................... 6 高程布置 ................................................................................................................... 6 3工藝流程計(jì)算 …………………………………………… ………… .……… ..………………… 8 啤酒污水處理構(gòu)筑物設(shè)計(jì)與計(jì) 算 .......................................................................... 8 格柵 ............................................................................................................................ 8 集水池 .......................................................................................................................11 泵房 ...........................................................................................................................11 水力 篩 ...................................................................................................................... 12 酸化調(diào)節(jié)池 ........................................................................................................... 13 UASB 反應(yīng)池 .......................................................................................................... 15 CASS 反應(yīng)池 .......................................................................................................... 24 .................................................................. 33 集泥井 ...................................................................................................................... 33 污泥濃縮池 ............................................................................................................ 34 污泥脫水間 ........................................................................................................... 36 ........................................................................................................ 38 污水構(gòu)筑物高程計(jì)算 .......................................................................................... 38 污泥高程計(jì)算 ........................................................................................................ 40 參考文獻(xiàn) .............................................................................................................................. 42 謝辭 ....................................................................................................................................... 43 1 1 前言 研究 的意義及目的 鑒于啤酒 污水 自身的特性,啤酒 污水 不能直接排入水體,據(jù)統(tǒng)計(jì),啤酒廠工業(yè) 污水 如不經(jīng)處理,每生產(chǎn) 100噸啤酒所排放出的 BOD 值相當(dāng) 于 14000 人生活污水的 BOD值,懸浮固體 SS 值相當(dāng)于 8000 人生活污水的 SS,其污染程度是相當(dāng)嚴(yán)重的,所以要對(duì)啤酒 污水 進(jìn)行一定的處理。具有良好的經(jīng)濟(jì)效益、環(huán)境效益和社會(huì)效益。 本設(shè)計(jì)工藝流程為: 啤酒 污水 → 格柵 → 污水提升泵房 → 水力篩 → 調(diào)節(jié)池 → UASB 反應(yīng)器 → CASS池 → 處理水 該處理工藝具有結(jié)構(gòu)緊湊簡(jiǎn)潔,運(yùn)行控制靈活,抗沖擊負(fù)荷,污泥 量小等特點(diǎn)。 本文分析了啤酒生產(chǎn)中 污水 產(chǎn)生的環(huán)節(jié),污染物及主要污染來源,并從好氧、厭氧生物處理兩方面來考慮了 污水 治理工藝,提出了 UASB+CASS 的組合工藝流程。原污水中各項(xiàng)指標(biāo)為: BOD濃度為 800mg/L ,COD 濃度為 1400mg/L , SS 濃度為 350mg/L, Ph=6~ 10 。 I 摘 要 啤酒工業(yè)在我國(guó)迅猛發(fā)展的同時(shí),排出了大量的啤酒 污 水,給環(huán)境造成了極大的威脅。啤酒 污水 處理廠的處理水量為 5000 dm/3 ,不考慮遠(yuǎn)期發(fā)展。因該 污水 BOD 值較大 ,不經(jīng)處理會(huì)對(duì)環(huán)境造成巨大污染,故要求處理后的排放水要嚴(yán)格達(dá)到國(guó)家二級(jí)排放標(biāo)準(zhǔn) ,即: BOD ≤ 20mg/L , COD ≤ 100 mg/L , SS ≤ 70mg/L , Ph=6~ 9??蓪?污水 COD由 1400 mg/L 降至 50~ 100 mg/L , BOD 從 800mg/L 降至 20 mg/L 以下, SS由 350 mg/L 降到 70 mg/L 以下,出水符合標(biāo)準(zhǔn)。為啤酒工業(yè) 污水 處理提供了一條可行途徑。 關(guān)鍵詞 : 啤酒 污水 UASB CASS II Sewage Treatment Process Design of Beer Factory Abstract With the rapid development of brewery industry in China, more brewery wastewater is discharged, which endangers enviroment. The water which needs to treatment in the beer waste water treatment plant is 5000 dm/3 , regardless of the specified future development. Various target in the raw waste water is: the concentration of BOD is 800 mg/L , the concentration of COD is 1400 mg/L , the concentration of SS is 350 mg/L, and pH is 6~ 10 . For the beer waste water39。 研究目標(biāo)和關(guān)鍵問題 啤酒生產(chǎn)主要以大麥和大米為原料,輔以啤酒花和鮮酵母,經(jīng)長(zhǎng)時(shí)間發(fā)酵釀造而成。啤酒 污水 富含糖類、蛋白質(zhì)、淀粉、
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