| 火管式废热锅炉高温侧管板的热防护 |
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| 引用本文： | 刘宇.火管式废热锅炉高温侧管板的热防护[J].硫酸工业,1999(4):8-9. |
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| 作者姓名： | 刘宇 |
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| 作者单位： | 大连化学工业公司设计院 |
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| 摘 要： | 介绍硫磺制酸装置火管废热锅炉板的热防护方法。采用锆刚玉套管插入高温侧管口，套管与换热管之间留有间隙，填入硅酸铝隔热材料；管板表面涂一层厚约８０ｍｍ的锆质耐火可塑料作隔热层。运行实践表明，这是一种行之有效的热防护方法。
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| 关 键 词： | 硫磺 硫酸生产 火管锅炉 管板 热防护 锅炉 |
Thermal protection of tube sheet on high temperature side of fire tube waste heat boiler |
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| Liu,Yu.Thermal protection of tube sheet on high temperature side of fire tube waste heat boiler[J].Sulphuric Acid Industry,1999(4):8-9. |
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| Authors: | Liu Yu |
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| Abstract: | A thermal protection method for tube sheet of fire tube waste heat boiler in sulphur burning sulphuric acid plant is described A duct made of zirconic corundaum is inserted into the inlet section of each tube on the high temperature side with a ring gap between the duct and tube in which aluminium silicate refractory is filled The tube sheet on the high temperature side is covered with a player of zirconic refractory plastics about 80 mm thick Operation practice showed that the thermal protection was effective |
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| Keywords: | Sulphur Sulphuric acid plant Fire tube boiler Tube sheet Thermal protection |
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