天津市污水处理系统输水管道优化分析

发布时间：2018-05-16 13:54

本文选题：污水处理系统 + 污水管道泄漏　；参考：《天津大学》2014年硕士论文

【摘要】：污水处理系统对于城市的污水处理是极为重要的，污水处理不但能够解决城市污水环境和生活垃圾问题，更能减少现代城市中的环境污染问题。众所周知，污水排水系统中，除了非常重要的污水处理系统设计外，更为重要的是要保证在污水处理过程中不发生泄漏，污水的泄漏，会污染城市地下水和土壤，破坏本已脆弱的现代城市生态系统，通过中外各国的调查发现，污水管道泄漏可以给现代城市造成不可估算的损失，针对以上问题，本文提出针对于污水输水管道的的优化分析，以天津市污水管道处理系统为实例，提出三种不同材料对污水管道进行优化分析，同通过对比分析三种材料在三种工况下的具体分析，为现代城市污水处理系统提出建设性意见，本文主要研究了一下三个方面的内容： 1）针对于现代城市污水处理系统所存在的问题以及对城市的危害做详细的分析，尽可能的收集国内污水处理系统存在的弊病，以及污水处理系统破坏对现代城市存在的某种潜在的威胁。并通过各国的数据和调研寻找出污水处理系统重要的环节，即污水管道输水系统。 2）通过对污水管道的泄漏问题，本文提出了三种不但抗腐蚀性强，而且变形能力和强度同样高的材料替代传统的普通硅酸盐材料，分别为玄武岩纤维混凝土与橡胶混凝土两种特种混凝土材料，文中通过试验研究证明橡胶集料混凝土和玄武岩纤维混凝土的强度、变形能力和耐腐蚀性远强于普通混凝土，因此用玄武岩纤维混凝土和橡胶集料混凝土替代普通混凝土污水管道有极大的可行性。 3）通过有限元计算分析研究普通硅酸盐混凝土、玄武岩纤维混凝土和橡胶集料混凝土在素混凝土的条件下的承载能力的不同，分析如果用玄武岩纤维混凝土和橡胶集料混凝土替代普通硅酸盐混凝土存在的优势，文中采用近似等强度条件下，橡胶集料混凝土管道和玄武岩纤维混凝土管道的壁厚都可以优化到42mm。 4）橡胶集料混凝土管道和玄武岩纤维混凝土管道的壁厚都可以优化到42mm，此时两种优化后的管道，每米管道节省29.66kg混凝土，每公里节省2.966t混凝土，单从混凝土使用量的上，两种不同混凝土管道是部分上下的，从橡胶和玄武岩纤维的成本分析，以及采用橡胶集料制作混凝土之后对环境的贡献上来讲，，橡胶集料混凝土管道更优秀，对未来城市污水处理系统的建设提出了建设性意见。
[Abstract]:Sewage treatment system is very important for urban sewage treatment. Sewage treatment can not only solve the problems of sewage environment and domestic waste, but also reduce the environmental pollution in modern cities. As we all know, in the sewage drainage system, besides the very important design of the sewage treatment system, it is more important to ensure that there is no leakage in the sewage treatment process. The leakage of sewage will pollute the groundwater and soil in the city. Damage to the already fragile modern urban ecosystem, through the investigation of various countries at home and abroad, found that sewer leakage can cause incalculable losses to modern cities. In view of the above problems, In this paper, the optimization analysis of sewage pipeline is put forward. Taking Tianjin sewage pipe treatment system as an example, three kinds of different materials are put forward to optimize analysis of sewage pipeline. By comparing and analyzing the concrete analysis of three kinds of materials under three working conditions, this paper puts forward constructive suggestions for the modern urban sewage treatment system. This paper mainly studies the following three aspects: 1) aiming at the problems existing in the modern urban sewage treatment system and the harm to the city, and collecting the disadvantages of the domestic sewage treatment system as far as possible, And a potential threat to modern cities caused by the destruction of sewage treatment systems. And through the national data and research to find out the sewage treatment system important link, namely sewage pipeline water delivery system. 2) through the leakage of sewage pipes, this paper proposes three kinds of materials which not only have strong corrosion resistance, but also have the same deformability and strength to replace the conventional silicate materials. In this paper, the strength, deformation and corrosion resistance of rubber aggregate concrete and basalt fiber concrete are proved to be much stronger than that of ordinary concrete. So it is feasible to replace ordinary concrete sewer pipe with basalt fiber concrete and rubber aggregate concrete. 3) the difference of bearing capacity of ordinary silicate concrete, basalt fiber concrete and rubber aggregate concrete under plain concrete is studied by finite element analysis. If basalt fiber concrete and rubber aggregate concrete are used instead of ordinary silicate concrete, the advantages of using the similar strength condition are analyzed. The wall thickness of rubber aggregate concrete pipe and basalt fiber concrete pipe can be optimized to 42 mm. 4) the wall thickness of rubber aggregate concrete pipe and basalt fiber concrete pipe can be optimized to 42 mm. At this time, the two optimized pipes save 29.66kg concrete per meter pipe and 2.966t concrete per kilometer, only from the concrete usage. Two different kinds of concrete pipes are partially up and down, and rubber aggregate concrete pipes are better in terms of the cost analysis of rubber and basalt fibers, and the contribution to the environment of using rubber aggregates to make concrete. Constructive suggestions are put forward for the construction of urban sewage treatment system in the future.
【学位授予单位】：天津大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU992.23

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