电厂锅炉给水处理系统设计.doc

毕业设计（论文）
题目名称：2×50MW煤粉锅炉给水处理系统设计
院系名称：能源与环境学院
班 级：热能与动力工程091班
学 号：
学生：
指导教师：
2013年5月
论文编号：
2×50MW煤粉锅炉给水处理系统设计
The Design of 2 × 50MWCoalBoiler FeedWater TreatmentSystem
院系名称：能源与环境学院
班 级：热能与动力工程091班
学 号：
学生：
指导教师：
2013年5月
摘 要
文明不断进步，社会对电力的需求量也日益增加。随着大型火电机组建设规模不断扩大，电厂锅炉补给水的品质提出了更高的要求，从而电厂化学水处理也提出了更高的要求。火力发电厂的用水多来自于江、河、水库等水力资源，大江、大河、水库中的水含有有机物、胶体等杂质，水中含有溶解的盐类及气体。水在火力发电厂中的生产工艺中，既是热力系统的工作介质，也是某些热力设备的冷却物质，所以水质是发电厂安全运行的必要条件。因此为了保证热力系统中有良好的水质，电厂必须对水进行净化处理和严格的水汽质量监督，电厂中必须设置锅炉水处理系统，对原水进行除气、除盐、除杂质等处理。本文以2×50MW煤粉锅炉给水为例，为锅炉给水确定水处理方案。
关键词：电厂锅炉给水处理系统；化学水处理
ABSTRACT
Civilization isdeveloping, and social demand for electricity is increasing. With the construction of large-scale thermal power units have been expanding, power plant boiler feed water quality put forward higher requirements, thus chemical water treatment plant also put forward higher requirements. Thermal power plant water e from the rivers, reservoirs and other water resources, while water of river, rivers, reservoirs contains organic matter, colloids, dissolvedsalts, gases and other impurities. Water in thermal power plants is not only thermal system working medium, but also some of the thermal equipments cooling substances, so water is a necessary condition for safe operation of power plants. Therefore, in order to ensure thermodynamic system has good water quality, water purification plants must deal with water-vapor quality and strict quality supervision, power plants must be set boiler water treatment systems dealing with the raw water degassing, demineralization, impurities and other treatment. This paper designs the boiler feed water treatment program in the case of 2 × 50MW coal boiler.
Keywords: power plant boiler feed water treatment system; chemical water treatment
目 录
摘 要I
1 引言1
选题背景及研究意义1
本文主要工作2
2 设计说明3
工程概况3
水质原始资料3
3 水质资料分析4
3.