超强的耐腐蚀能力
Super corrosion resistance
搪瓷管预热器的主要问题就是低温腐蚀.预热器排烟温度较低时,就会形成露点,产生硫腐蚀.硫腐蚀的产生不仅造成预热器的漏风,而且还会造成预热器管的积灰堵塞.
Enamel tube preheater, the main problem is the low temperature corrosion. Preheater exhaust gas temperature is low, it will form a dew point, produce sulfur corrosion. Sulfur corrosion not only caused preheater air leakage, but can also cause tube preheater ash clogging.
搪瓷管式空气预热器有超强的耐腐蚀能力，表面光滑，减缓积灰，保持空气通道畅通，始终保持良好的传热性能。
Enamel tube type air preheater has super corrosion resistance, smooth surface, slow down product ash, keep air passage open, and always maintain good heat transfer performance..
3. 搪瓷管降低排烟温度，提高热效率。
3 enamel tube to reduce the temperature and improve the heat efficiency.
在锅炉设计中经常以提高排烟温度来防止对预热器低温端的腐蚀，采用搪瓷空气预热器，设计中可使排烟温度降至140℃以下。如东方锅炉厂为重庆电厂设计210MW机组燃油锅炉，由于预热器冷端传热元件采用搪瓷管，排烟温度由预定的165℃降至140℃，锅炉热效率提高1.2%，每台机组每年可节油5000吨左右，价值1000多万元。
In the design of the boiler often to improve the exhaust temperature to prevent the low temperature of the preheater corrosion, the use of enamel air preheater, design can make the smoke temperature ped below 140 degrees Celsius. Such as Dongfang Boiler Factory for Chongqing power plant design of 210 MW unit boiler fuel, due to the preheater cold end heat transfer element adopts enamel tube, exhaust gas temperature by a predetermined 165 C ped to 140 DEG C, boiler thermal efficiency is increased by 1.2%, the per unit each year can be saving 5000 tons, the value of more than 1000 million yuan.
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