Netha AM Silalahi, Baskoro Widanarko, Saravana Kumar Jaganathan
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引用次数: 0
摘要
过热器作为热电厂的一部分，有可能因积垢而损坏。如果材料没有明显的降解，考虑到电厂的可靠性，可以用化学清洗去除沉积物。由于物料对低pH值和沉积物的化学成分分析敏感，因此选择碱化学清洗。连续监测工艺参数。经过化学处理后，过热器管内的温度分布均匀，说明过热器管内的热量分布较好(Δ T = 10 - 25°C)，炉膛出口气体温度(Δ T = 50°C)显著降低，表明锅炉内传热较好。适当的化学清洗可以改善锅炉的传热，从而提高锅炉的效率
Impact of Chemical Cleaning on Furnace Exit Gas Temperature of Power Plant:Case Study Steam Power Plant Unit 1
Superheater as a part of thermal steam power plant could be damaged by deposit. If there is no significant degradation of material, in concern of reliability of power plant, the deposit could be removed by chemical cleaning. Alkali chemical cleaning is chosen since the material is sensitive to low pH and the chemical composition of deposit analysis. Process parameter is monitored continuously. After chemical treatment, there is even distribution of temperature on superheater tubes describes the better heat distribution at superheater tubes (Δ T = 10 – 25 °C) and also Furnace Exit Gas Temperature (Δ T = 50 °C) reduced significantly indicating the better heat transfer in boiler. Improvement of heat transfer of boiler as the result of proper chemical cleaning maybe beneficial in improving the boiler efficiency
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