[毕业论文设计]味精厂淀粉废水处理工程设计.doc
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1、毕业论文设计味精厂淀粉废水处理工程设计 某味精厂淀粉800m/d废水处理工程设计 3 1. 概述 . 51.1. 设计任务 . 51.2. 设计依据 . 51.2.1 标准标准 . 51.3 厂区地形 . 51.4 自然条件 . 61.4.1 污水水质特征 . 61.4.2 气象资料 . 61.4.3 工程地质资料 . 62. 污水处理工艺设计 . 72.1. 规模与处理程度确实定 . 72.1.1. 处理规模 . 72.1.2. 设计进出水水质 . 72.2. 污水处理工艺方案确实定 . 82.2.1. 废水水质分析 . 82.2.2. 工艺方案选择 . 82.2.3. 污水处理方案的比选
2、. 82.2.4. 设计方案确实定 . 102.3. 污水处理站工艺设计 . 112.3.1. 格栅 . 112.3.2. 集水井 . 112.3.3. 一级泵房 . 11 2.3.4. 气浮池 . 122.3.5. 调节池 . 122.3.6. UASB反响器 . 122.3.7. 曝气沉淀池 . 122.3.8. SBR反响器 . 132.3.9. 二级泵房 . 132.4. 污泥局部工艺设计 . 132.4.1. 集泥井 . 132.4.2. 污泥重力浓缩池 . 132.4.3. 污泥脱水间 . 133. 污水站总平面布置 . 133.1. 平面布置及总平面图 . 133.2. 平面布置
3、的一般原那么 . 143.3. 污水处理站平面布置的具体内容 . 143.4. 高程布置 . 154. 毕业设计计算书 . 174.1. 设计资料 . 174.1.1. 设计题目及任务 . 175. 污水站设计计算 . 175.1. 污水处理站处理规模 . 175.1.1. 污水处理程度 . 185.2. 污水处理站工艺设计 . 185.3. 污水处理构筑物的设计计算 . 205.3.1. 格栅 . 205.3.2. 集水井 . 21 5.3.3. 一级泵房 . 225.3.4. 气浮池 . 235.3.5. 调节池 . 275.3.6. SBR反响器 . 395.3.7. 鼓风机房设计 .
4、435.3.8. 二级泵房 . 445.4. 污泥处理系统计算 . 455.4.1. 集泥井 . 455.4.2. 污泥重力浓缩池 . 465.4.3. 污泥脱水间 . 476. 污水处理站的平面布置和高程布置 . 486.1. 平面布置 . 486.2. 高程布置 . 48 某味精厂淀粉800m/d废水处理工程设计摘要我国生物化工行业经过一系列的开展,已具备了一定的根底。特别是改革开放以后,生物化工行业的开展迈向了一个新的阶段。但是,随着生物化工的开展,其环境污染问题也日趋严重,已经成为我国的环境污染主要来源。在生物化工的各个行业中,由于淀粉、啤酒、酒精、味精、柠檬酸、抗生素的产值较大,环境
5、污染严重,所以尤其被人们重视。食品工业是以粮食和农副产品为主要原料的加工工业。这类行业用水量和废水排放量都很大,尤其以淀粉工业废水的排放量占首位。我国淀粉行业有 600 多家企业。在国淀粉 USAB 1 AbstractChinas bio chemical industry after a series of development, already have a foundation. Especially after the reform and opening up, the development of bio chemical industry towards a new stag
6、e. However, with the development of bio chemical industry, environmental pollution problems have become increasingly serious, has become the main source of environmental pollution in china. In the bio chemical industries, because the starch, beer, alcohol,monosodium glutamate, citric acid, antibioti
7、cs, the output value of large, serious environmental pollution, soespecially paid attention to by people.The food industry is the processing industry for food and agricultural products as the main raw material. Water consumption and wastewater discharge this kind of industry is very big, especially
8、in the discharge of wastewater from starch industry accounted for the first. Starch industry in China has more than 600 enterprises. In China,each producing 1 starch to produce 10 20 wastewater, some even more. Wastewater containing mainly starch,carbohydrate, protein, acid and alkali waste and othe
9、r pollutants, with the production process, wastewater COD concentration in the range of 2000 20000mg/l. If these starch wastewater directly discharged without any treatment, the water contained organic matter, dissolved oxygen into the water after a quick consumption of water,cause and effect and ot
10、her aquatic animal fish aquatic hypoxia survival, and suspended solids in wastewater inanaerobic conditions decomposition produce odor, water quality deterioration.Monosodium glutamate factory to the production of corn based starch as raw material, and then using starch asraw material production of
11、monosodiumglutamate, a lot of starch wastewater discharge in the production process,impact on the surrounding environment, should be three also conform to the contract design, construction and put into use at the same time, the principle for the need to adapt to the local environmental protection wo
12、rk and project, to make the effluent quality meet the national urban wastewater treatment factory two emission standard.2 According to the characteristics of wastewater discharged from a monosodium glutamate factory covers an areaof and provide, this design by floatation and UASB sequencing batch ac
13、tivated sludge treatment process andflotation - UASB - biological contact oxidation process of comparison, select a high efficiency, stability andeconomic and reasonable process, ensure the wastewater can meet the national sewage comprehensive discharge level two standard, and make the investment, c
14、overs an area of, operation and management degree to achieve the best settings.Keywords: Monosodium Glutamate Wastewater,starch ,USAB 3 毕业设计说明书 设计题目:某味精厂淀粉800m3/d废水处理工程设计 学 院 环境与生物工程学院专业年级学生姓名 学号指导教师 职称设计地点日 期4 1. 概述1.1. 设计任务根据工业园区总体规划及相关资料进行某味精厂800m3/d污水处理工程设计,具体 2、污水处理构筑物设计; 3、污泥处理构筑物设计。1.2. 设计依据1
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