毕业设计论文--泵站工程.doc

摘 要 泵站工程作为国民经济建设中的一部分，已在机电灌排、跨流域调水、城乡供水、电厂供水及输油系统等工程得到了广泛的应用。为促进工业生产的发展和人民生活水平的提高发挥了重要作用，而离心泵由于其扬程较高，流量范围广，在实际中更是获得了广泛的应用。 本设计所设计的为一泵站，其作用是排灌供水，将低处的水输送到高处，供灌溉和饮用，从而实现能量从机械能到势能的转化。 ABSTRACT Pumping station as part of the national economic construction has been widely used in irrigation and drainage in mechanical and electrical, water transfer, urban and rural water supply and oil systems. It plays an important role in promoting the development of industrial production and the improvement of living standards，and the centrifugal pump have gained wide application in practice for its higher head and bigger flow range. This design is designed for a water pumping station (with isolated pier into the pool ) , whose role is to drainage and irrigation water supply, will lower the water delivered to the height , for irrigation and drinking , in order to achieve the conversion of energy from mechanical energy to potential energy .This paper preliminary design for a water supply pump station, I basically according to pump station design specification of pump, pump room, in and out pool, pipeline system and other auxiliary facilities for a preliminary design, lists the centrifugal pump station design general design methods and steps. Among them on the pump selection, pump installation elevation, the design and water hammer pump are the details of the design specifications and calculation steps, attached parts structure schematic diagram and pumping stations section. Judging from the design results this design technically feasible, satisfy the requirements of “ Pumping station design of the standards”. Key words: Pump Selection water hammer pump operating point elevation for pump install 目 录 前言 1 1 绪论 2 1.1 泵站的地位与作用 2 1.2 泵站的现状 2 1.3 泵站工程概论 4 1.4 未来泵站发展的主要目标和具体目标 5 1.5 离心泵的工作原理、分类和构造 7 1.5.1 离心泵的工作原理 7 1.5.2 离心泵的分类和构造 8 1.6 本设计目的及意义 9 2设计基本资料 10 3水泵选型与设备配套 11 3.1 水泵选型 11 3.1.1 确定设计流量 11 3.1.2 确定设计扬程 11 3.1.3 拟选泵型方案 11 3.1.4 确定水泵台数及方案比较 12 3.2 动力机选型及配套 12 3.2.1 电动