齐齐哈尔大学毕业设计( 论文 ) 摘要本设计为年产 240 万吨原油圆筒管式加热炉,在本设计中主要完成对辐射段、对流段以及烟道的工艺尺寸的计算、热量的衡算、钢结构的计算及校核和加热炉各零部件的选用。其中辐射室工艺尺寸包括辐射室炉管的直径、炉管的壁厚、炉管的长度、炉管的根数、辐射室的外形尺寸等;对流室的工艺尺寸包括对流炉管的形式、炉管的直径、炉管的壁厚、炉管的排数及每排的根数、热量衡算的部分包括计算燃料量、燃烧器的规格和根数。本设计的要点是加热炉高的热效率,提高燃油的利用率。常采用的措施有降低炉子的排烟温度、 减小过热空气系数、 减少化学部完全燃烧损失、 减少机械不完全燃烧损失、减少炉壁散热等。也可以设置烟气余热回收系统来提高加热炉的热效率。矚慫润厲钐瘗睞枥庑赖。关键字 :加热炉;炉管;辐射;对流;齐齐哈尔大学毕业设计( 论文 ) I Abstract The design for the annual production capacity of two million tons of crude oil cylinder tube furnace, in the completion of the design of the main paragraph of radiation, convection, as well as the size of the stack process, the heat balance, steel structure and the calculation and checking Selection of the various furnace components. Room size radiation technology, including radiation chamber furnace tube diameter, tube wall thickness, tube length, the root of the number of tube radiation, such as room dimensions; convection process room size, including the form of convection furnace tubes, furnace tube diameter, wall thickness of the tube, the tube row number and the root of the number of each row, the heat balance calculation of the part, including fuel, the specifications of the burner and root number.聞創沟燴鐺險爱氇谴净。The gist of the present furnace design with high thermal efficiency and fuel utilization. Measures often used to reduce the furnace flue gas temperature, reducing the over-heated air coefficient, the Department of incomplete combustion to reduce t...