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矿热炉水冷型烟道中颗粒沉积的模拟研究

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介绍了为研究矿热炉水冷型烟道中颗粒沉积行为的分布及特性,采用计算流体动力学(CFD)技术对矿热炉水冷型烟道内烟气沉积行为进行了模拟.采用RNG k-ε湍流模型计算了流场,并采用离散相模型(DPM)和JKR理论相结合建立了颗粒沉积的判断准则,对矿热炉水冷型烟道中的颗粒沉积进行了模拟研究.结果表明,当烟气温度由 873.15 K升高至 1 273.15 K时,入口段、Ⅰ段和三通段的沉积速率对比于其他管段沉积速率有着明显的增大,入口段沉积速率由 0.12 g/s增加至 0.98 g/s,Ⅰ段沉积速率由 0.11 g/s增加至 0.88 g/s,三通段沉积速率由0.11 g/s增加至 0.45 g/s.
SIMULATION STUDY ON PARTICLE DEPOSITION IN WATER-COOLED FLUE OF A SUBMERGED ARC FURNACE
In order to study the distribution and characteristics of particle deposition in the water-cooled flue of a sub-merged arc furnace,computational fluid dynamics(CFD)technology was used to simulate the behavior of flue gas deposition in water-cooled flue of the submerged arc furnace.The RNG k-ε turbulence model was used to calculate the flow field,and the discrete phase model(DPM)and JKR theory were used to establish the judgment criteria for parti-cle deposition.The particle deposition in the water-cooled flue of a submerged arc furnace was simulated and studied.The results showed that when the flue gas temperature increased from 873.15 K to 1 273.15 K,the deposition rates of the inlet section,section Ⅰ and tee section increased significantly compared to other pipe sections.The deposition rate of the inlet section increased from 0.12 g/s to 0.98 g/s,section Ⅰ increased from 0.11 g/s to 0.88 g/s,and tee section increased from 0.11 g/s to 0.45 g/s.

CFDwater-cooled flueparticle depositiontemperature effectdiscrete model

杜锦奇、兰孝宇、丁佳文、王杰

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沈阳化工大学机械与动力工程学院 辽宁沈阳 110142

CFD 水冷型烟道 颗粒沉积 温度影响 离散型模型

大学生创新创业训练计划

202310149006

2024

铁合金
中钢集团吉林铁合金股份有限公司

铁合金

影响因子:0.174
ISSN:1001-1943
年,卷(期):2024.55(5)