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| 基于FLUENT的污泥脱水螺旋压榨机流场分析 |
| Analysis of Internal Flow Field in Screw Press Based on FLUENT |
| 收稿日期： |
| DOI：10.11980/j.issn.0254-508X.2015.10.011 |
| 关键词: 螺旋压榨机 螺旋轴 变节距 参数化模型 性能仿真 |
| Key Words:screw press screw axis variable pitches parametric model performance simulation |
| 基金项目: |
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| 摘要:根据进出口固相榨料相等理论分析研究了螺旋压榨机螺旋线的设计方法,基于脱水参数推导出螺旋压榨机中等外径变螺距螺旋线的数学模型,实现了按脱水参数要求进行螺旋线的参数化设计,并根据此数学模型建立螺旋压榨机中的流场模型进行FLUENT仿真模拟,得到流场的压强和速度分布云图,对FLUENT后处理结果进行分析,验证螺旋压榨机使用强度和压榨效果的可靠性。 |
| Abstract:This article studied a kind of new way to design helical line which was applied in sludge dewatering screw press device based on the principle of solid material balance in the entrance and exit of the drive, the mathematical model of screw axis with equal diameter and variable pitch was derived based on dewatering parameters, and FLUENT was used to simulate the fluid model established by this mathematical model, the pressure and velocity distribution cloud of the flow field were obtained, then the results of post processing to verify the reliability and practicability of the screw press, and provide a kind of new theoretical method to design and analyze the sludge dewatering screw press device. |
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