变频调速恒压供水技术在建筑给水系统中的应用

发布时间：2018-08-29 19:23

【摘要】：我国是一个严重干旱缺水的国家。人均占有淡水资源量相当贫乏，而且日趋严重的水污染不仅降低了水体的使用功能，进一步加剧了水资源短缺的矛盾。与此同时能源短缺是全球性的问题，这两大问题对中国正在实施的可持续发展战略带来了严重影响，而且还严重威胁了人民群众的饮水安全和健康。随着经济的发展，大中小城市建设突飞猛进，建筑能耗和用水量也在逐年增加，因此，节能、节水至关重要。本文通过实地考察研究建筑给排水中节能节水技术及其应用情况。从图纸设计，产品材料选型及其现场施工，进行节水节能可行性的探讨。随着科学技术的发展进步，许多节能节水技术也被开发出来并一步步应用到我们的现实生活中去，现在在建筑给水系统中，采用变频泵组调速恒压供水的方式已成为目前的主流。对于建筑物内给水设备的改造也起了很大的节能作用。本文针对变频恒压供水系统在建筑给水中的应用进行了浅析及探讨，首先查阅现有文献和资料阐述了泵的工作特性曲线及工作原理，了解变频泵能够实现节能的原因。其次就我国目前给排水发展状况进行了简述，列举了现在几种常用的给水系统，其中有直接供水系统、设置高位水箱供水系统、水泵联合水箱供水系统、管网叠压供水系统等。然后分析了变频调速恒压技术的原理和系统组成，，以及此技术在目前建筑物给水系统中的应用情况。通过实例分析，我们可以看到：变频调速恒压供水技术在一些建筑物供水系统中确实能够带来节能节水的效果。并且在供水安全及经济效益方面效果显著。由此可知，变频调速恒压技术在建筑物供水系统中有着重要的现实意义。
[Abstract]:Our country is a country with severe drought and water shortage. The per capita possession of fresh water resources is quite poor, and the increasingly serious water pollution not only reduces the water use function, but also exacerbates the contradiction of water resources shortage. At the same time, the energy shortage is a global problem. These two problems have a serious impact on the sustainable development strategy that China is implementing, and also seriously threaten the safety and health of the people's drinking water. With the development of economy, the construction of large, medium and small cities is advancing by leaps and bounds, and the building energy consumption and water consumption are increasing year by year. Therefore, energy saving and water saving are very important. In this paper, energy saving and water saving technology and its application in building water supply and drainage are studied through field investigation. The feasibility of water saving and energy saving is discussed from drawing design, material selection and site construction. With the development of science and technology, many energy-saving and water-saving technologies have also been developed and applied to our real life step by step. Now in the building water supply system, Variable-frequency pump set speed constant pressure water supply mode has become the mainstream. It also plays a great role in energy saving for the renovation of water supply equipment in buildings. In this paper, the application of variable frequency constant pressure water supply system in building water supply is analyzed and discussed. Firstly, the working characteristic curve and working principle of the pump are explained by consulting the existing literature and data, and the reasons why the frequency conversion pump can realize energy saving are understood. Secondly, the development of water supply and drainage in our country is briefly described, and several common water supply systems are listed, including direct water supply system, high water tank water supply system, water supply system of water pump combined tank, superimposed water supply system of pipe network and so on. Then, the principle and system composition of variable frequency speed regulation constant pressure technology are analyzed, and the application of this technology in building water supply system is also analyzed. Through the analysis of examples, we can see that the technology of variable frequency speed regulation and constant pressure water supply can really bring about the effect of saving energy and saving water in some water supply systems of buildings. And in the water supply safety and economic benefits, the effect is remarkable. It can be seen that the constant pressure technology of variable frequency speed regulation has important practical significance in building water supply system.
【学位授予单位】：西安建筑科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU821

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