陈斐奇,祝高永,刘 红,陈嘉宏,杨哲人.烟熏炉换热器进口主流道流动性改进[J].轻工机械,2014,32(6): |
烟熏炉换热器进口主流道流动性改进 |
Fluidity Improvement for Inlet Main Pipe of Heat Exchanger in Fumigation Oven |
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DOI:IO. 3969/j. issn. 1005 -2895. 2014. 06. 026 |
中文关键词: 换热器 数值分析 烟熏炉 流场 |
英文关键词:heat exchanger numerical analysis fumigation oven flow field |
基金项目:浙江省嘉兴市科技计划项目(2013BY12002) |
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中文摘要: |
针对某一类型烟熏炉换热器进口主流道出口产生局部负压的问题,借助CFD仿真分析手段找出进口主流道结
构缺陷,提出了岔口几何形状的改变结构。分别对这2种不同结构的进口主流道管在Fluent平台上进行内流场分析,对
比两者之间的差异,表明改进后的进口管流速更加均匀,克服了原进口主流道管存在的问题,使得进入各组U型管的蒸
气相对均匀,换热效率得到提高。 |
英文摘要: |
The paper studied structure problem of inlet main pipe of heat exchanger for a certain fumigation oven. i. e. .
its outlet generated local negative pressure, found out its defect by use of CFD simulation way, and put forwards the
improved structure which changed the shape of the branch. Based on Fluent the paper analyzed the internal flow fields of
the pipes for these two different structures. and the results were compared. The results show that flow pressure velocity
inlet pipe is more reasonable and the problem disappears. So the vapor in the different set of U pipes is relatively
uniform. the efficiency of heat exchanger is also improved. |
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