Microfiltration is widely used in fine filtration operations, with dead-end filtration and cross-flow filtration. The microfiltration filter element or the microfiltration membrane is easy to be polluted by impurities...Microfiltration is widely used in fine filtration operations, with dead-end filtration and cross-flow filtration. The microfiltration filter element or the microfiltration membrane is easy to be polluted by impurities in the water and causes fouling, resulting in flux attenuation. The flux can be expressed by Darcy’s law and attenuation model. In this paper, two industrial titanium rod sintered filter elements (<span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span>60 × 960 mm and <span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span>60 × 960 mm) of different specifications are selected, and tap water (1.0 NTU) is used for constant pressure dead-end filtration. The amount tends to be the same, about 0.435 m<sup>3</sup><span style="white-space:nowrap;">·</span>m<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span></span>2</sup><span style="white-space:nowrap;">·</span>h<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span></span>1</sup>, which has nothing to do with the filtration accuracy of the filter element but only depends on the characteristics of the filter cake and the filter membrane. Through the analysis of the two models, it is found that the two filtration flux models are not universal and difficult to be applied in engineering.展开更多
针对一种硬质烟用滤棒的复合添加需求,设计一种烟用滤棒上下料机构。采用瞬态动力学分析方法,运用ANSYS Work Bench软件对滤棒上下料机构进行瞬态动力学仿真,并从结构动力学角度对该机构进行动态特性研究。分析结果显示,滤棒上下料机构...针对一种硬质烟用滤棒的复合添加需求,设计一种烟用滤棒上下料机构。采用瞬态动力学分析方法,运用ANSYS Work Bench软件对滤棒上下料机构进行瞬态动力学仿真,并从结构动力学角度对该机构进行动态特性研究。分析结果显示,滤棒上下料机构的最大等效应力112.54 MPa,小于材料的许用应力。通过搭建实验平台进行试验,验证该滤棒上下料机构的合理性及稳定性。研究结果表明:滤棒上下料机构结构设计合理,取料成功率达到100%,能够满足工作要求。展开更多
文摘Microfiltration is widely used in fine filtration operations, with dead-end filtration and cross-flow filtration. The microfiltration filter element or the microfiltration membrane is easy to be polluted by impurities in the water and causes fouling, resulting in flux attenuation. The flux can be expressed by Darcy’s law and attenuation model. In this paper, two industrial titanium rod sintered filter elements (<span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span>60 × 960 mm and <span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span>60 × 960 mm) of different specifications are selected, and tap water (1.0 NTU) is used for constant pressure dead-end filtration. The amount tends to be the same, about 0.435 m<sup>3</sup><span style="white-space:nowrap;">·</span>m<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span></span>2</sup><span style="white-space:nowrap;">·</span>h<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">?</span></span></span>1</sup>, which has nothing to do with the filtration accuracy of the filter element but only depends on the characteristics of the filter cake and the filter membrane. Through the analysis of the two models, it is found that the two filtration flux models are not universal and difficult to be applied in engineering.
文摘针对一种硬质烟用滤棒的复合添加需求,设计一种烟用滤棒上下料机构。采用瞬态动力学分析方法,运用ANSYS Work Bench软件对滤棒上下料机构进行瞬态动力学仿真,并从结构动力学角度对该机构进行动态特性研究。分析结果显示,滤棒上下料机构的最大等效应力112.54 MPa,小于材料的许用应力。通过搭建实验平台进行试验,验证该滤棒上下料机构的合理性及稳定性。研究结果表明:滤棒上下料机构结构设计合理,取料成功率达到100%,能够满足工作要求。