冶金能源
冶金能源
야금능원
ENERGY FOR METALLURGICAL INDUSTRY
2014年
4期
40-41,51
,共3页
熔铝炉%不换向蓄热式燃烧%数值模拟%改造%节能
鎔鋁爐%不換嚮蓄熱式燃燒%數值模擬%改造%節能
용려로%불환향축열식연소%수치모의%개조%절능
aluminum melting furnace%without reversing regenerative combustion%numerical simula-tion%reform%energy savings
叙述了蓄热式燃烧技术的工作原理，并对燃料换向蓄热式燃烧技术和燃料不换向蓄热式燃烧技术进行了比较。利用 CFD 软件 FLUENT，采用标准k-ε湍流模型、漩涡破碎模型，对20 t熔铝炉炉内传热及烟气流动进行了数值模拟，得到了炉内气体温度场、流场的分布情况，为不换向蓄热式熔铝炉的应用提供了理论基础。改造后，实际的节能效果验证了模拟的正确性。
敘述瞭蓄熱式燃燒技術的工作原理，併對燃料換嚮蓄熱式燃燒技術和燃料不換嚮蓄熱式燃燒技術進行瞭比較。利用 CFD 軟件 FLUENT，採用標準k-ε湍流模型、漩渦破碎模型，對20 t鎔鋁爐爐內傳熱及煙氣流動進行瞭數值模擬，得到瞭爐內氣體溫度場、流場的分佈情況，為不換嚮蓄熱式鎔鋁爐的應用提供瞭理論基礎。改造後，實際的節能效果驗證瞭模擬的正確性。
서술료축열식연소기술적공작원리，병대연료환향축열식연소기술화연료불환향축열식연소기술진행료비교。이용 CFD 연건 FLUENT，채용표준k-ε단류모형、선와파쇄모형，대20 t용려로로내전열급연기류동진행료수치모의，득도료로내기체온도장、류장적분포정황，위불환향축열식용려로적응용제공료이론기출。개조후，실제적절능효과험증료모의적정학성。
The regenerative combustion technology works were described , and fuel commutation regen-erative combustion technology and fuel without reversing regenerative combustion technology were com -pared.A numerical simulation was made for the 20 tons of aluminum melting furnace of its heat trans-fer and flow , by use of CFD software FLUENT , according to the energy conservation equation , mo-mentum equation mathematical model , the standard k -ε turbulence model and whirlpool Breakup Model .Gas temperature field and flow field distribution inside the furnace were made by numerical simulation which can provide a theoretical basis for the application of the non -reversing regenerative aluminum melting furnace .After the reformation, the actual energy efficiency validated the numerical simulation is correct .
