熔铝炉设计+CAD图纸
关键词： 熔铝炉；电磁搅拌器；蓄热式燃烧技术
The Design of the Aluminum Melting Furnace
Abstract: aluminum melting furnace in this topic is the design of furnace type reference existing advanced aluminum melting furnace, with thermodynamic theory knowledge as the guidance, the refining and processing process using the most advanced domestic and foreign technology in nonferrous metal aluminum, in order to achieve thermal efficiency of furnace, energy saving, environmental protection objective. Based on the principle of electromagnetic induction electromagnetic stirrer and developed for the composition and temperature more uniform mixing and effective for aluminum liquid aluminum melting furnace in alloy, ensure product quality. Application of regenerative combustion technology in tilting type furnace, it is an energy saving and environment-friendly and highly dynamic technology. Through the use of aluminum melting furnace recycling aluminum and aluminum alloy enterprise investigation, aluminum melting furnace using natural gas as fuel, aluminum melting furnace in most enterprises use design, automation control device manufacturing, centralized control operation mode of computer software.
Keywords: aluminum melting furnace；electromagnetic stirrer；regenerative combustion technology
目录
1 前言1
2 燃料燃烧计算2
2.1 燃料成分2
2.2 空气需要量和燃烧产物量及其成分的计算2
2.3 燃烧产物密度计算4
2.4 理论燃烧温度和实际燃烧温度的计算4
3 炉温制度和能量分配的确定6
3.1 炉温制度6
3.2 能量的分配6
4 炉膛尺寸的确定7
4.1 炉膛铝液熔池深度的确定7
4.2 炉膛高度的确定7
4.3 炉膛长度的确定7
5 炉体结构的计算8
5.1 砌体的材料和结构的选取8
5.2 炉膛耐火材料的布置9
6 热平衡计算10
6.1 热量收入 10
6.2 热量支出 11
7 蓄热式预热器及烟道的设计15
7.1 蓄热式预热器的设计15
7.2 排烟系统15
8 结论18
致谢 19
参考文献 20
1 前言
能源的紧张，环境污染的严重性和优质铝合金铸件的需求对铝熔炼炉的热效率,污染物排放和熔体质量提出了更高的要求，促使熔铝炉的设计与企业对于熔铝炉的生产工艺要求向着节能、环保、熔炼质量高的方向前进。针对目前广泛使用的反射式铝熔炼炉，从铝熔炼的基本原理和熔炼过程的特点出发，多采用熔体净化处理技术、电磁搅拌技术、高温空气燃烧技术、耐火材料抗侵蚀技术等熔炼技术，以求达到节能减排和优化熔体的多重目的。随着计算机技术的飞速发展，熔铝炉的运行朝着全自动化、智能化操作的方向发展，控制系统采用PLC可编程序控制器，设计先进合理、运行安全可靠、操作简单易学，可以具备与计算机通信的功能。
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