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带钢表面高压水射流清洗机理及试验研究

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高压水射流技术是冷轧带钢表面清洗的有效技术手段,为了探究高压水射流清洗带钢表面污垢的工作机理,基于计算流体力学理论建立了高压水射流打击力模型,分析了打击力与喷嘴压力和流量的关系.通过正交理论,开展了带钢清洗效果的试验验证,并对不同工况参数下带钢清洗后的表面形貌进行了分析.结果显示,工作压力对于提高带钢清洗后的表面质量影响最为显著.此外,适当增大清洗角度和喷射距离也有助于提高清洗后带钢的表面质量,为优化清洗工艺提供了重要的参考依据.
Mechanism and Experiment Research on High-pressure Water Jet Cleaning of Strip Steel Surface
High-pressure water jet technology is an effective means for cleaning the surface of cold-rolled strip steel.To investigate the working mechanism of high-pressure water jet cleaning for removing surface dirt from strip steel,a model for the impact force of high-pressure water jet based on computational fluid dynamics theory is established.The model analyzed the relationship between impact force,nozzle pressure,and flow rate.Through orthogonal theory,experiments are conducted to validate the cleaning effectiveness of strips steel under different operating conditions,and the surface morphology after cleaning is analyzed.The results indicate that the working pressure has the most significant impact on improving the surface quality of strip steel after cleaning.Additionally,appropriately increasing the cleaning angle and jet distance also contributes to enhancing the surface quality of strip steel after cleaning.These findings not only reveal the influence of cleaning parameters on the surface quality of strip steel but also provide essential reference for optimizing the cleaning process.

high-pressure water jetimpact forcenozzlestrip steelsurface morphology

胡志威

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中冶南方工程技术有限公司,湖北武汉 430223

高压水射流 打击力 喷嘴 带钢 表面形貌

2024

液压与气动
北京机械工业自动化研究所

液压与气动

CSTPCD北大核心
影响因子:0.453
ISSN:1000-4858
年,卷(期):2024.48(8)
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