基于Fluent的偏心贯流式风口温度场和流场的仿真  

Simulation of Temperature Field and Flow Field in Turbine Outlet with Eccentricity Based on the Fluent

作　　者：李炎[1] 卢献忠[2] 钟毅[2] 傅连东[1] 赵康[1] 

机构地区：[1]武汉科技大学机械学院 [2]武汉钢铁集团公司

出　　处：《特种铸造及有色合金》2015年第5期471-473,共3页Special Casting & Nonferrous Alloys

基　　金：湖北省自然科学基金创新群体资助项目(2014CFA013);国家自然科学基金资助项目(51475338)

摘　　要：针对高炉风口容易损坏的部位,用数值模拟方法来模拟高炉风口的流场和温度场,得到流场与温度场的关系。结果表明,当进口水速为8m/s时,冷却效果最好;进口速度继续提高对冷却效果影响不明显,反而使压力损失急速增加。当冷却水中杂质含量较多时,会形成一层类似绝热层的水垢,水垢对风口温度的影响较大。模拟发现,当水垢的厚度达到0.4mm时,风口的温度超过了纯铜风口的许用温度,风口易损坏。Aiming at easily damaged parts of blast furnace tuyere,flow field and temperature field of blast furnace tuyere were simulated by the Fluent software.The results show that when the inlet water speed is 8 m/s,cooling effect exhibits desirable.If the inlet water speed is more than 8 m/s,cooling effects is further improved slightly,however,pressure loss is enlarged sharply.When impurity content in the cooling water is much,a similar thermal barrier layer of scale can be formed to affect greatly the temper-ature of tuyere.Simulated results reveal that when the scale of the thickness is more than 0 .4 mm, tuyere temperature is more than the allowable temperature of pure copper tuyere,resulting in the dam-age of tuyere.

关 键 词：贯流式高炉风口 数值模拟 温度场 

分 类 号：TF573.7[冶金工程—钢铁冶金]