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火力发电厂和工业锅炉房,在燃烧含硫液体和固体燃料时,锅炉尾部受热面和尾部部件经常遭受低温酸性烟气的腐蚀,其中对尾部部件如烟道,除尘器和引风机等的腐蚀特别严重。设备投入运行才4—6个月就发现钢烟道表面开始出现稀疏的腐蚀班点,经过12—18个月,锅炉必须停炉检修。锅炉在燃烧含硫固体燃料时,除了低温酸性烟气腐蚀外,还有飞灰颗粒磨损。由于热能动力设备的低温腐蚀,降低了
Thermal power plants and industrial boiler houses, when burning sulfur-containing liquids and solid fuels, are often subject to corrosion by low-temperature acid fumes on the heated surfaces and the tail parts of the boiler tailings, where corrosion of tail parts such as flue gasses, precipitators and induced draft fans Particularly serious. Equipment put into operation only 4-6 months found on the surface of steel flue began to appear sparse corrosion point, after 12-18 months, the boiler must be shutdown maintenance. In the combustion of sulfur-containing solid fuel boilers, in addition to low-temperature acid gas corrosion, there are also fly ash particles wear. Reduced due to low temperature corrosion of thermal power equipment