摘要

該市區(qū)屬溫帶季風(fēng)型大陸性氣候，春季多風(fēng)干燥，夏季受北太平洋暖流影響，溫暖而潮濕，秋季溫潤涼爽，冬季受蒙古和西伯利亞高氣壓帶控制，寒冷干燥。年平均降水量約550毫米，年平均氣溫8℃。故使用SBR工藝設(shè)計(jì)一個(gè)東北某市的污水處理廠。

SBR是序列間歇式活性污泥法（Sequencing Batch Reactor Activated Sludge Process）的簡稱，是一種按間歇曝氣方式來運(yùn)行的活性污泥污水處理技術(shù)，又稱序批式活性污泥法。

與傳統(tǒng)污水處理工藝不同，SBR技術(shù)采用時(shí)間分割的操作方式替代空間分割的操作方式，非穩(wěn)定生化反應(yīng)替代穩(wěn)定生化反應(yīng)，靜置理想沉淀替代傳統(tǒng)的動(dòng)態(tài)沉淀。它的主要特征是在運(yùn)行上的有序和間歇操作，SBR技術(shù)的核心是SBR反應(yīng)池，該池集均化、初沉、生物降解、二沉等功能于一池，無污泥回流系統(tǒng)。經(jīng)過這個(gè)廢水處理工藝的廢水可達(dá)到設(shè)計(jì)要求，可以直接排放。產(chǎn)生的污泥經(jīng)過濃縮、壓濾等處理后，進(jìn)行堆肥產(chǎn)生一定的經(jīng)濟(jì)效益。

關(guān)鍵詞：東北某市；SBR工藝；生活污水；污泥

Abstract

The city belongs to the temperate zone monsoon type continental climate, Spring is windy and dry, Affected by the north Pacific warm in summer, Warm and humid, Cool autumn warmth, Controlled by Mongolia and Siberia high pressure belt, winter cold and dry. Average annual rainfall of about 550 mm, Average annual temperature 8 ℃. So the use of SBR process design a northeast city sewage treatment plant.

SBR is the abbreviation of the intermittence type active mud law (Sequencing Batch Reactor Activated Sludge Process) of the array ,it is one kind that exposes to the sun the active mud sewage treatment technology that the angry way operates according to the intermittence ,also called the criticizing type law of active mud of preface.

Different from traditional sewage disposal craft,SBR technology adopt operation mode that time cut apart substitute operation mode that space cut apart , stabilize biochemistry is it substitute stable state biochemistry react , quiet to put ideal precipitate and substitute the traditional dynamic sediment to react . On main characteristic of it operate in order and intermittence operate , core , SBR of technology that SBR reacts in the pool , this pool collects melting , sinking for the first time , function that biodegradation , two sink , etc . in one pond , there is no mud backset current system . Can reach the designing requirement through the waste water of this waste water treatment craft , can discharge directly . Mud that produce after concentrating , pressing and straining etc .dealing with , go on compost produce sure economic benefits .

Key words: A city in northeast China; SBR craft; sanitary sewage; mud

目錄

1. 設(shè)計(jì)任務(wù)及資料 1

1.1設(shè)計(jì)任務(wù) 1

1.2設(shè)計(jì)目的及意義 1

1.2.1設(shè)計(jì)目的 1

1.2.2設(shè)計(jì)意義 1

1.3設(shè)計(jì)要求 1

1.3.1污水處理廠設(shè)計(jì)原則 1

1.3.2污水處理工程運(yùn)行過程中應(yīng)遵循的原則 2

1.4設(shè)計(jì)資料 2

1.4.1水質(zhì)情況 2

1.4.2環(huán)境條件狀況 3

1.4.3排水系統(tǒng) 3

1.5設(shè)計(jì)依據(jù) 3

2. 設(shè)計(jì)方案 4

2.1污水處理廠流程比選 4

2.1.1確定處理流程的原則 4

2.1.2污水處理流程的選擇 4

2.1.3污水處理流程方案的介紹與比較 5

2.1.4污水處理流程方案的確定 12

2.2廠址選擇 16

3. 主要構(gòu)筑物的選擇 18

3.1格柵 18

3.2沉砂池 18

3.2.1沉砂池的選擇 18

3.3 SBR池 19

3.4接觸消毒池 19

3.5集泥井 19

3.6 濃縮池 19

3.7貯泥池 20

3.8脫水間 20

4. 水質(zhì)水量計(jì)算 21

4.1設(shè)計(jì)污水水量 21

4.2污水處理程度計(jì)算 21

5. 一級處理構(gòu)筑物設(shè)計(jì)計(jì)算 24

5.1格柵計(jì)算 24

5.1.1粗格柵計(jì)算 24

5.1.2細(xì)格柵計(jì)算 26

5.2提升泵站計(jì)算 27

5.3沉砂池計(jì)算 28

6. 二級處理構(gòu)筑物設(shè)計(jì)計(jì)算 29

6.1 SBR工藝計(jì)算 29

6.1.1經(jīng)典SBR工藝 29

6.1.2 空氣管系統(tǒng)計(jì)算 35

6.1.3鼓風(fēng)機(jī)的選定 40

6.1.4潷水器 40

6.1.5曝氣池進(jìn)出水設(shè)計(jì) 40

6.1.6 SBR池前配水井設(shè)計(jì) 41

6.2接觸消毒池與加氯間 42

6.2.1設(shè)計(jì)參數(shù) 42

6.2.2設(shè)計(jì)計(jì)算 42

6.2.3接觸池進(jìn)出水設(shè)計(jì) 44

6.2.4計(jì)量設(shè)備 45

7. 污泥處理設(shè)計(jì)計(jì)算 49

7.1污泥處理的目的與處理方法 49

7.2污泥提升泵房兼集泥井 49

7.3污泥濃縮 50

7.4 貯泥池 50

7.4.1貯泥池的作用 50

7.4.2貯泥池的計(jì)算 50

7.5污泥脫水 51

8. 污水處理廠布置 53

8.1污水處理廠平面布置 53

8.1.1平面布置原則 53

8.1.2平面布置 55

8.2污水處理廠高程布置 56

8.2.1主要任務(wù) 56

8.2.2高程布置原則 57

8.2.3水頭損失計(jì)算 57

結(jié)論 64

參考文獻(xiàn) 65

致謝 66