摘要：锅炉是发电、化工及机械制造等工业部门的重要能源、热源的动力设备。本次设计的任务是设计SHL10-1.6/350-A锅炉，为双锅筒自然循环蒸汽锅炉。额定蒸发量为10t/h，过热蒸汽出口压力1.6MPa，过热器出口蒸汽温度350℃，选用燃料为额定蒸发量为10t/h，过热蒸汽出口压力1.6MPa，过热器出口蒸汽温度350℃，选用燃料为类无烟煤，其低位发热量为17693.4kJ/kg。炉膛采用高而短的前拱和低而长的后拱，四周布置有水冷壁。在炉膛后，布置蒸汽过热器和锅炉管束。尾部烟道布置有省煤器和空气预热器。布置省煤器以降低排烟温度,提高锅炉效率。布置空气预热器是为了预热煤的燃烧,提高锅炉效率。通过锅炉的热力计算和烟风阻力计算选择合适的部件。最终利用CAD,完成锅炉本体图、蒸汽过热器图、省煤器图、空气预热器图和炉墙图的绘制。21949
毕业论文关键词： 蒸汽锅炉；设计；热力计算；烟风阻力计算
The thermal design for the boiler SHL10-1.6/350-A
Abstract: The demand on Security and economy on energy of industry production have become important topic attended by society with development of native economy. The boiler is made up of many department, include drum , super heater，air preheater, economizer and so on.
The theme of this document is to design a stream boiler, whose type is SHL10-1.6/350-A，The boiler is double-drum natural circulation steam boiler. around the furnace are water walls, To ensure the good and continuous ignition in the furnace, I take a high and short front arch, shale the back arch is low and long. Behind the furnace is the steam super heater. There are dense tube nest between the two drums, which compose the main heat-delivery surface. In the back stake flue, I set the economizer and air preheater. Set the economizer to decline the temperature of the stack gas and improve the efficiency in the furnace and set the air preheater to strengthen ignition and firing, meantime to decline the temperature of the stack gas and improve the efficiency in the furnace. The design fuel is the number one anthracite, whose lower radiation value is 17693.4kJ/kg.
Throughout the design process as a technical support for the thermodynamic calculation, strength calculation and the smoke wind resistance calculation. To enable small boiler compact structure, most of the heating surface are installed in the hearth, meanwhile, we should also ensure that there is some hermetic to ensure that within the vacuum chamber combustion.
Using CAD, completed a total map boiler, Steam super heater map, Economizer map, Air preheater map and furnace wall map.
Keywords : steam boiler; design; thermodynamic energy calculation；
intensity calculation；the smoke and breeze resistance calculation
目录
1 绪 论 1
2 锅炉结构及原理简介 4
3 论证方案 6
3.1锅炉的总体布置 6
3.2炉膛设计 6
3.3 凝渣管设计 6
3.4 蒸汽过热器的设计 6
3.5 锅炉管束的设计 7
3.6 省煤器的设计 7
3.7 空气预热器的设计 7
3.8 安全仪表和阀门种类及数量 7
3.9 锅炉支撑吊挂及钢架、平台、护栏、扶梯 7
3.10 炉墙的种类、构成和尺寸 8
3.11 本章小结 8
4 热力计算 9
4.1 锅炉规范、辅助计算和热平衡计算 9
4.1.1 锅炉参数 9
4.1.2 设计燃料与特性 9
4.1.3 辅助计算和热平衡计算 9
4.2 炉膛计算 14
4.2.1 炉膛结构 14 SHL10-1.6/350-A锅炉热工设计+图纸:http://www.751com.cn/jixie/lunwen_14382.html