【正文】 .....................................................................................5. 編制原則 ...................................................................................................................................5. 編制范圍 ...................................................................................................................................6. 環(huán)境概況 ...................................................................................................................................6. 城市概況 ..........................................................................................................................6. 自然條件 ..........................................................................................................................7. 道路交通 ..........................................................................................................................8. 給水排水工程規(guī)劃 ..........................................................................................................82. 第二章 工程建設(shè)的必要性 .........................................................................................................10. XXX 鎮(zhèn)加強(qiáng)污水處理的必要性 .............................................................................................10. 飲用水源保護(hù)的需要 ....................................................................................................10. 城鎮(zhèn)發(fā)展的需要 ............................................................................................................10. 保護(hù)生態(tài)的需要 ............................................................................................................11. 保護(hù)三峽庫區(qū)的需要 ....................................................................................................11. 法律依據(jù) .................................................................................................................................113. 第三章 污水廠設(shè)計(jì)總則 .............................................................................................................13. 設(shè)計(jì)范圍、規(guī)模 .....................................................................................................................13. 污水水質(zhì) .................................................................................................................................13. 進(jìn)廠水質(zhì)預(yù)測(cè) ................................................................................................................13. 南方城市進(jìn)水水質(zhì) ........................................................................................................14. 設(shè)計(jì)進(jìn)水水質(zhì)的確定 ....................................................................................................15. 出水水質(zhì) .................................................................................................................................15. 工程選址 .................................................................................................................................15. 選址原則 ........................................................................................................................15. 污水處理廠廠址 ............................................................................................................15. 污水處理廠設(shè)計(jì)原則 .............................................................................................................16. 污水處理設(shè)計(jì)原則 ........................................................................................................16. 污泥處理設(shè)計(jì)原則 ........................................................................................................16III. 排水體制 .................................................................................................................................16. 排放標(biāo)準(zhǔn) .................................................................................................................................16. 污水處理站尾水排放 .............................................................................................................16. 污泥及固體廢棄物的處置 .....................................................................................................17. 站內(nèi)給水、排水、回用水 .....................................................................................................17. 站內(nèi)給水 ........................................................................................................................17. 站內(nèi)排水 ........................................................................................................................174. 第四章 站外截流干管工程設(shè)計(jì) .................................................................................................18. 設(shè)計(jì)依據(jù) .................................................................................................................................18. 設(shè)計(jì)原則 .................................................................................................................................18. 污水管道流量及高程確定原則 .............................................................................................18. 區(qū)域內(nèi)污水排放概況 .............................................................................................................19. 污水量預(yù)測(cè) .............................................................................................................................19. 污水干管設(shè)計(jì)方案 .................................................................................................................19. 設(shè)計(jì)流量計(jì)算 ................................................................................................................19. 管線水力計(jì)算 ................................................................................................................20. 污水干管的流量 ............................................................................................................20. 管材選擇 .................................................................................................................................20. 管材選擇 ........................................................................................................................20