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給排水專業(yè)畢業(yè)設(shè)計(jì)----給水系統(tǒng)初步設(shè)計(jì)-文庫吧

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【正文】 ........................................................................................... 41 第二篇 計(jì)算書 ............................................................................................................... 42 1 用水量計(jì)算 ................................................................................................................. 42 1. 1給水工程規(guī)模數(shù)據(jù) ........................................................................................... 42 1. 2用水量計(jì)算 ..................................................................................................... 43 2 輸水管 與給水管網(wǎng)的設(shè)計(jì)計(jì)算: ............................................................................. 44 2. 1輸水管 ............................................................................................................ 44 2. 2給水管網(wǎng) ......................................................................................................... 44 3 給水系統(tǒng)的選擇和給水方案的比較 ......................................................................... 56 3. 1取水水源的選擇 .............................................................................................. 56 3. 2取水頭部的選擇 .............................................................................................. 56 3. 3水廠的廠址和凈水工藝的選擇 ......................................................................... 57 4 取水工程的設(shè)計(jì) ........................................................................................................ 57 4. 1取水頭部 ......................................................................................................... 57 4. 2取水泵房 ......................................................................................................... 60 5 凈水廠設(shè)計(jì) ............................................................................................................... 65 5. 1機(jī)械混合池 ..................................................................................................... 65 5. 2機(jī)械絮凝池 ..................................................................................................... 66 5. 3斜管沉淀池 ..................................................................................................... 70 5. 4 雙閥濾池 ........................................................................................................ 73 5. 5清水池 ............................................................................................................ 79 5. 6消毒 ................................................................................................................ 81 5. 7加藥 ................................................................................................................ 82 5. 8二泵房 ............................................................................................................ 83 5. 8. 1揚(yáng)程的確定: ..................................................................................... 83 5. 8. 2流量的確定 ......................................................................................... 85 5. 8. 3水泵電機(jī)的選擇 .................................................................................. 85 5. 8. 4泵房平面布置 ..................................................................................... 87 5. 8. 5附屬設(shè)備 ............................................................................................ 89 5. 8. 6吸水井的設(shè)計(jì) ..................................................................................... 89 6 水廠的總體布置 ........................................................................................................ 91 6. 1水廠的平面布置 .............................................................................................. 91 6. 1. 1平面布置原則 ..................................................................................... 91 6. 1. 2平面布置內(nèi)容 ..................................................................................... 92 6. 1. 3平面布置的相關(guān)設(shè)計(jì) ........................................................................... 92 6. 2水廠的高程布置 .............................................................................................. 93 6. 3該水廠的人員編制 ........................................................................................... 96 7 編制工程總概算 ........................................................................................................ 96 .................................................................................................... 97 ........................................................................................................ 97 .................................................................................................... 98 第三篇 ........................................................................................................................... 99 1. 小論文 .................................................................................................................... 99 河海大學(xué)環(huán)境科學(xué)與工程學(xué)院市政工程畢業(yè)設(shè)計(jì) 摘要 蘭棱鎮(zhèn) 給水工程,是為了滿足該區(qū)近期和遠(yuǎn)期用水量增長的需要而新建的。該工程分為兩期工程,一期工程的設(shè)計(jì)規(guī)模為 萬 m3/d, 二期 供水設(shè)計(jì)規(guī)模為 萬 m3/d。 整個(gè)工程包括取水工程,凈水工程和輸配水工程三部分。凈水工程設(shè)計(jì)了兩個(gè)方案,其主要論述的問題 是構(gòu)筑物的比較選取 。輸水工程主要包括了管網(wǎng)的定線、平差和校核等內(nèi)容。 結(jié)果: 取水工程的水源是 引拉河 。 凈水工程其工藝流程如下: 水源 取水口 自流管 混合池 絮凝池 沉淀池 雙閥 濾池 清水池 送水泵房 配水管網(wǎng) 用戶 輸水工程的計(jì)算經(jīng)過校核也是在規(guī)范內(nèi),滿足要求。 同時(shí),本設(shè)計(jì)課題還包括:水廠占地面積,人員配備,廠內(nèi)建筑物布置和管線定位等。 關(guān)鍵詞 : 斜管 沉淀池, 雙閥 濾池 河海大學(xué)環(huán)境科學(xué)與工程學(xué)院市政工程畢業(yè)設(shè)計(jì) ABSTRACT The new water supplied engineering design for Lanleng town is adapt to the increasing water demanded in short term
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