主要改造部分有：水冷壁、燃烧器、省煤器、除尘设备、吸风机和粗粉分离器等。
The main transformed parts included water cooling wall, burner, coal saver, dust removing equipment, air suction machine and coarse powder separator.
风烟系统中空气预热器漏风和吸风机运行效率对于大型锅炉的经济运行有着直接影响。
The economic operation of large boiler is directly affected by the leakage of air preheater and the working efficiency of suction fan.
本实用新型涉及一种旋耕播种机气吸风机驱动力装置，涉及旋耕机、播种机技术领域。
The utility model relates to a driving force device for an air suction ventilator of a rotary cultivator seeder, which relates to the technical field of a rotary cultivator and a seeder.
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