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V-type filter is a kind of coarse filter material filter a form. On both sides of the design into the sink into V, wash effect is good. Its main features are: (1) can be used more thick coarse filter, filter layer to increase the filtration cycle. (2) gas, water recoil and ever-present transverse sweep surface cleaning, flushing water greatly reduced.
Ozone - biological activated carbon process is carbon physical and chemical adsorption, chemical oxidation and ozone oxidation degradation and ozone disinfection four kinds of technologies for the integration of technology.
After the process generally located in the sand filter. First using ozone oxidation, initial oxidation decompose the organic matter in the water and other reducing agents, reduce the organic load of biological activated carbon filter, ozone oxidation at the same time can make the water is hard to biodegradable organic chain scission, open loop, is converted into simple fat hydrocarbon, change its biological properties. The characteristics of ozone itself determines the ozonation technology has the following characteristics: (1) due to its strong ability of oxidation of ozone, can remove other water treatment technology is difficult to remove the substance; (2) the ozonation reaction faster, thus can reduce the volume of reaction equipment or structures; (3) the residual ozone is converted into oxygen quickly, does not produce secondary pollution, and can increase the dissolved oxygen in water; (4) in the sterilization and kill the virus at the same time, in addition to smell, in addition to taste; (5) Ozonation helps flocculation, can improve the effect of precipitation.
Activated carbon can very quickly adsorbed water soluble organic matter, as well as the enrichment of microorganism, make its surface to grow a good biological membrane, by itself of oxygen filling effect, microbes can to organic matter in coal bed for nutrients to grow a lot of aerobic bacteria, the activated carbon adsorption of small molecule organic matter fully biodegradable.
Key Words: Flocculation pool; disinfection; water plant
1 绪论 1
1.1 课题的目的和意义 1
1.2 设计规模 1
1.3 设计水质与气候环境 1
2国内外研究动态 3
3本课题的重点 4
3.1本课题的重点 4
3.2参考的设计规范 4
4 净水厂工艺设计计算 5
4.1 工艺流程方案 5
4.1.1沉淀工艺的选择 6
4.1.2絮凝与过滤工艺的比较 6
4.2 供选方案技术经济比较计算 6
4.2.1 絮凝池供选方案技术经济比较计算 7
4.2.2 滤池供选方案技术经济比较计算 8
4.3水处理构筑物计算 9
4.3.1 配水井设计计算 9
4.3.2 混合工艺设计计算 11
4.3.3投药工艺及投药间的设计计算 12
4.3.4折板絮凝池的设计计算： 15
4.3.5 沉淀工艺设计计算 24
4.3.6 V型滤池的设计计算： 29
4.3.7 清水池设计 44
4.3.8臭氧接触池前配水井设计 46
4.3.9臭氧化处理设计 46
4.3.10 生物活性炭滤池设计 54
4.4水厂排泥水处理设计 59
4.4.1处理流程的确定 59
4.4.2排泥水处理系统的泥水平衡计算 60
4.5 净水厂人员编制及辅助使用面积计算 66
4.6 净水厂绿化与道路设计 66
4.6.1 绿化设计 66
4.6.2 道路设计 67
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