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Water wall high-temperature corrosion of boiler operating conditions of the corrosion simulation


Way, in theory, reduce the role of NO emission. Future for further study. Figure 8 coal particle trajectories DW Sharp a furnace oxygen concentration field in Figure 9 Fig. 9Oxygenconcentrationdistribution Figure 10 the furnace temperature (K) Fig. 10Temperaturedistribution (K) adherent wind method is basically a one-time investment costs low, technology is not complex, and to lead to more efficient boilers, two or three months will be able to recover their investment. This is to solve the water-wall high-temperature corrosion of the most economical and effective methods. 4 Conclusion In this paper, a domestic power plant burner hedging arrangement 300MW154 China Electrical Engineering Volume 22 of the original boiler operating conditions were simulated, analyzed the resulting water-wall high-temperature corrosion of reasons, and got basically the same with the field test conclusion that once the wind speed is too large, the former back wall of the burner in the exhaust, the side wall after the collision rushed to the water wall, water wall in the vicinity at the burning of coal led to the formation of high temperature and reducing atmosphere,christian louboutin france, combined with coal particles washed water wall, so that corrosion and wear is inevitable. However, simply adjust the burner of the second air flow is difficult to fundamentally solve the problem. To this end, further proposed to install wind adherent solution to the furnace of high temperature corrosion and wear problems,ralph lauren paris, and the computer simulations. Simulation results show that adherent wind method is to solve the water-wall high-temperature corrosion of economic, effective and feasible method. References [1] Kawahara, Y. , Kira, M. . Corrosionpreventionofwatcrwalltubebyfieldmetalspra yinginmunicipalwasteincinerationplants [J]. Corrosion, 1997,53 (21:241 · 251. [2] Chen Xuejun, Chen Kuan (ChenXuejun, ChenTingkuan). Boiler principle (PrincipleofBoiler) [M], Beijing: Mechanical Industry Press (Beijing: MechanicIndustryPress), 1991. [ ],[University (JournalofZhejiangUniversity), 1992,26 (1): 111.119. [4] Qiu Jihua,abercrombie paris ouverture, Li Buddha Kim, Sun Xuexin (QiuJihua, LiFojin, SunXuexin). application of computer simulation analysis and forecasting furnace pulverized coal combustion processes (Predictiononpulverizedcoalcombustionprocessintheb oilerusingcomputersimulation) [J ] China Electric Power University (ProceedingsoftheCSEE), 1995, l5 (5): 3O6-3lO. [5] should withdraw Lu (SaYinglu). boiler heating surface external process (ExternalPressofBoilerFireside) [M] Beijing: China Water Power Press ( Beijing: WaterResourceandElectricPowerPress), l994. [6] Ho Pui-YA,franklin marshall paris, Zhao Zhong Hu, QIN Yu-kun (HePei'ao, ZhaoZhonghu, QinYukun). burner design and operation (DesignandOperationofPulverizedCoalBurner) [M], Beijing: Mechanical Industry Press (Beijing: MechanicalIndustryPress) , 1987. Received date :2001-09.10. Author: Lee - (1973 A), male, Ph.D., is mainly engaged in clean coal combustion technology and solid waste combustion characteristics and pollutant emission characteristics of the study ( Editor Jiarui Jun)
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