受热面采用密排圆盘管，受热面布置充足，降低管子表面热负荷，是导热油使用更安全。
Heating area is the closely-aligned round coils. Heating area is arranged sufficiently to reduce the surface heat load of pipe and handle the heat transfer oil safely.
蒸汽锅炉进入尾部烟道的飞灰由于温度较低，具有一定的硬度，因此随烟气初级受热面排管时，会对管壁产生磨损作用。
Into the tail flue of fly ash due to the low temperature, has a certain hardness, so primary heating surface with flue gas exhaust pipe, the wear and tear on the wall.
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