某给水预处理厂设计.doc
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- 关 键 词:
- 给水 预处理 设计
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1、摘 要我国是一个水资源非常匮乏、紧缺的国家,人均占有量仅为世界人均的四分之一,而且时空分布极不均衡。给水工程是关系到国家发展和人们生活的一项举足轻重的工程,本设计是北方地区的一个小型城市规划完善的给水预处理厂。设计内容包括四部分:(1)根据对水质的要求及经济技术比较选出最佳给水预处理方案。(2)取水工程设计,根据原始资料,确定取水水源地及取水方式。(3)净水厂设计,对各净水构筑物选型,并具体设计各构筑物的参数,使整套净水流程最优。本设计根据原水水质选择的工艺流程为:原水,配水井,静态管式混合器,往复式隔板絮凝池,斜管沉淀池,气水反冲洗快滤池,清水池,二级泵房,市政管网。(4)给水工艺高程计算及
2、给水厂平面布置。 工程设计则是对拟建工程的实施在技术上和经济上所进行的全面详尽安排。它不但关系着工程的质量和将来的使用效果,还包括计算为完成建设工程所需消耗的人力、物力和财力的预算文件。工程设计是基本建设综合的技术经济文本。本文结合图表及计算数据对整体设计作了一个系统的说明,它是本设计所绘图纸的绘制依据,也是将来施工时的参考。关键词:给水工程;取水工程;净水构筑物 AbstractWater resource of our country becomes extremely short,which is standing of great maldistribution in differen
3、t areas and different time.The per capita consumption of water in our country is only one quarter of which is in the world. Water-treatment project playing an active role in our life affects the development of our country a lot.This project is about a compact water-treatment plant that is located in
4、 a well laid-out town of north state.The project can be divided into four sections.(1)working out the benefit version of the project based on the water-quality index that is required and the cost-effectiveness analysis.(2)the EDP(engineering design plan) of intake.Locating the intake zone and buildi
5、ng the inlet system based on the water source.(3)the process design fixing the types and the parameters of water purification units for the sake of good operation.Based on raw water-quality constituents the craft processes are to be designed as: Raw water , Tubular static mixer , Reciprocating clapb
6、oard flocculating, Inclined pipe traps, Gas water backwash fast ponds, clear water tank, Secondary pump station, Municipal pipeline. (4)elevation computation of the process and the general arrangement of the plant.The EDP which also includes the construction budget documents about man power construc
7、tion objects and financial capability gives us detailed arrangements about economic and technical cooperation.Thus it is the EDP that makes an notable impact on the construction quality and the returns on investment can be regarded as a integrated document of general project on technical economy.As
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