6.5.3 工资福利E3 ............................................................ 77 6.5.4 固定资产基本折旧费E4 .................................................. 77 6.5.5 无形资产和递延资产摊销费E5 ............................................ 78 6.5.6 大修理基金提成E6 ...................................................... 78 6.5.7 日常检修维护费E7 ...................................................... 78 6.5.8 管理费销售费和其他费用E8 .............................................. 78 6.5.9 年经营成本E9 .......................................................... 79 6.5.10 年总成本E10 .......................................................... 79 6.5.11 单位处理成本E11 ...................................................... 79 6.5.12 单位经营成本E12 ...................................................... 79 第7章 环境影响评价 ............................................................. 80 7.1 环境质量标准与污染物排放标准 .............................................. 80 7.1.1 环境质量标准 .......................................................... 80 7.1.2 污染物排放标准 ........................................................ 80 7.2 项目建设和生产对环境的影响 ................................................ 80 7.2.1 大气污染源 ............................................................ 80 7.2.2 废水污染源 ............................................................ 81 7.2.3 固体废气物 ............................................................ 81 7.2.4 噪声.................................................................. 81 7.3 环境保护措施初步方案 ...................................................... 81 7.3.1 大气环境治理 .......................................................... 81 7.3.2 废水治理 .............................................................. 81 7.3.3 固体废弃物治理 ........................................................ 82 7.3.4 噪声治理 .............................................................. 82 7.4 安全措施 .................................................................. 82 7.5 评价结论 .................................................................. 82 结束语 ........................................................... 错误！未定义书签。 致谢 ............................................................. 错误！未定义书签。 参考文献 ......................................................................... 83
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Contents
Abstract .......................................................................... II Chapter 1 Design summarize ........................................................ 1 1.1 Design basis and design task ............................................... 1 1.1.1 The original basis ..................................................... 1 1.1.2 The basic requirements of the design ................................... 2 1.1.3 Design Principles ...................................................... 2 1.1.4 Design basis ........................................................... 2 1.1.5 Design Purpose ......................................................... 3 1.2 Design of water ............................................................ 3 1.3 Design of water Design of water ............................................ 3 Chapter 2 Determination Process ................................................... 5 2.1 Design and feasibility analysis ............................................ 5 2.1.1 CASS Technology ........................................................ 6 2.1.2 Biological contact oxidation process ................................... 8 2.1.3 Choosing the craft ..................................................... 8 2.2 Engineering examples ...................................................... 10 2.2.1Ngineering examples of cass craft ...................................... 10 2.2.2 Engineering examples of Biological contact oxidation process .......... 11 2.3 Process of the craft ...................................................... 12 Chapter 3 Wastewater treatment design and calculation of structures ........... 13 3.1 Coarse grid ............................................................... 13 3.1.1 Design Notes .......................................................... 13 3.1.2 Design parameters ..................................................... 14 3.1.3 Design calculations ................................................... 14 3.2 Grit chamber ............................................................. 17 3.2.1 Design Notes .......................................................... 17 3.2.2 Design parameters ..................................................... 17 3.2.3 Design calculations ................................................... 17 3.3 Fine grid ................................................................. 18
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3.3.1 Design parameters ..................................................... 18 3.3.2 Design calculations ................................................... 19 3.4 Grit chanber ............................................................. 21 3.4.1 Design Notes .......................................................... 21 3.4.2 Design parameters ..................................................... 22 3.5 Hydrolysis acidification tank ............................................. 26 3.5.1 Design parameters ..................................................... 26 3.5.2 Volume calculations ................................................... 26 3.5.2 Water distribution system ............................................. 27 3.6 distribution wells ........................................................ 29 3.6.1 Design Notes .......................................................... 29 3.6.2 Design repuirements ................................................... 29 3.6.3 Design calculations ................................................... 30 3.7 Bio-contact oxidation tank ................................................ 32 3.8 Sedimentation tank ........................................................ 42 3.6.1 Known conditions ...................................................... 42 3.8.2 Design parameters ..................................................... 42 3.8.3 Design calculations ................................................... 43 3.9 Disinfectant tank ......................................................... 48 3.9.1 Design parameters ..................................................... 48 3.9.2 Design calculations ................................................... 48 3.10 Chlorination room ........................................................ 49 3.10.1 Disinfectant ......................................................... 49 3.10.2 Chlorine dosage calculation .......................................... 49 3.11 sedimentation tank ....................................................... 50 3.11.1 Design parameters .................................................... 50 3.11.2 Design calculations .................................................. 51 3.12 Blower housing ........................................................... 54 3.13 Sludge storage tank ...................................................... 54 3.13.1 Design parameters .................................................... 54 3.13.2 Design calculations .................................................. 54 3.14 Sludge pumping station ................................................... 55
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3.15 Sludge dewatering machine room ........................................... 56 3.15.1 Calculation of the amount of dewatered sludge ........................ 56 3.15.2 Dehydrator Selection ................................................. 57 3.15.3 Pump Selection sludge transportation ................................. 58 3.15.4 Calculation of dosage ................................................ 58 3.16 Regulation ponds ......................................................... 59 3.16.1 Volume calculation ................................................... 59 Chapter 4 Description of major equipment ......................................... 60 Chapter 5 Sewage treatment plant layout .......................................... 63 5.1 Layout of the sewage treatment plant ...................................... 63 5.1.1 The principle of The layout ........................................... 63 5.1.2 Layout ................................................................ 63 5.2 Elevation layout of the sewage treatment plant ............................ 65 5.2.1 Elevation layout principle ............................................ 65 5.2.2 Sewage treatment elevation calculation ................................ 66 5.2.3 Sludge treatment elevation calculation ................................ 73 chapter 6 the project budget and cost analysis ................................... 77 6.1 Business organization ..................................................... 77 6.1.1 Situation of the enterprise ........................................... 77 6.1.2 Labor quota ........................................................... 77 6.2 Investment budget ........................................................ 77 6.2.1 Investment budget ..................................................... 78 6.2.2 Apparatus and instruments purchased fee ............................... 81 6.3 Other construction costs .................................................. 81 6.4 Ready-costs ............................................................... 81 6.5 Operating costs ........................................................... 81 6.5.1 Energy consumption charges E1 ......................................... 82 6.5.2 Pharmacy fee E2 ....................................................... 82 6.5.3 Wage welfare E3 ....................................................... 83 6.5.4 Basic fixed asset depreciation charges E4 ............................. 83
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6.5.5 Intangible assets and deferred assets amortization expense E5 ......... 83 6.5.6 Overhaul fund commission E6 ........................................... 84 6.5.7 Routine repair and maintenance fee E 7 ................................ 84 6.5.8 Management fee sales and other expenses E 8 ........................... 84 6.5.9 Annual operating costs E9 ............................................. 85 6.5.10 Total annual costs E10 ............................................... 85 6.5.11 Unit cost of processing E11 .......................................... 85 6.5.12 Unit operating costE12 ............................................... 85 chapter 7 Environmental Impact Assessment ........................................ 86 7.1 Environmental quality standards and pollutant discharge standards ......... 86 7.1.1 Environmental quality standards ....................................... 86 7.1.2 Pollutant emission standards .......................................... 86 7.2 Project construction and production impact on the environment ............. 87 7.2.1 Air Pollution Sources ................................................. 87 7.2.2 Wastewater pollution .................................................. 87 7.2.3 Solid waste materials ................................................. 87 7.2.4 Noise ................................................................. 87 7.3 Environmental protection measures the initial program ..................... 88 7.3.1 Atmospheric environmental governance .................................. 88 7.3.2 Wastewater treatment .................................................. 88 7.3.3 Solid waste management ................................................ 88 7.3.4 Noise control ......................................................... 88 7.4 Safety measures ........................................................... 89 7.5 Evaluation findings ....................................................... 89 Conclusion ....................................................................... 90 Acknowledgements ................................................................. 91 References ....................................................................... 92
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