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基于传热学及燃烧学,利用有限元分析软件Fluent对某高温蓄热式锻造加热炉内的流场进行了稳态数值模拟研究。通过对烧嘴喷口间距离及喷口角度对炉温及出口烟气浓度的影响分析,获得了加热炉中温度场及污染物的排放情况。结果表明,烧嘴喷口间距离及喷口角度对炉温及污染物的排放量影响均较大;对于本文所研究的某高温蓄热式双室锻造加热炉而言,其最佳喷口间距离为900mm、最佳喷口角度为0°。
Based on the heat transfer and combustion theory, the steady-state numerical simulation of the flow field in a high-temperature regenerative forging furnace was carried out by using the finite element analysis software Fluent. Through the analysis of the influence of the distance between burner nozzles and the nozzle angle on the furnace temperature and outlet flue gas concentration, the temperature field and pollutant emission in the furnace were obtained. The results show that the distance between burner nozzles and the nozzle angle have a great influence on the furnace temperature and pollutant emissions. For the high-temperature regenerative dual-chamber forging furnace studied in this paper, the best distance between nozzles is 900mm, the best nozzle angle of 0 °.