... return-flue boiler 回焰式锅炉 triple flue boiler 三燃烧管锅炉 flue gas from boiler 锅炉烟气 ...
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Triple coil structure is adopted for the boiler with three-pass smoke and flue, compact design and energy-saving space. The air pre-heater is added to enhance the heating efficiency up to 92% or more.
锅炉采用三盘管结构，烟气三回程，设计紧凑，节能空间，增加空气预热器时热效率最高可达92%以上。
Triple coil structure is adopted for the boiler with three-pass smoke and flue, compact design and energy-saving space.
锅炉采用三盘管结构，烟气三回程，设计紧凑，节能空间。
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