The effect of cylinder structure on the pre-dusting of axial separator

IF 4.2 2区工程技术 Q2 ENGINEERING, CHEMICAL

Advanced Powder Technology Pub Date : 2024-10-01 DOI:10.1016/j.apt.2024.104685

Shihang Li , Muze Han , Bo Ren , Xingyue Chen , Shuda Hu , Liang Yuan , Fubao Zhou

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Abstract

This study proposes a novel method using an axial separator as a pre-dusting device for a cartridge filter. The structural parameters with optimum dust removal performance were studied, and on this basis the distribution of pressure and air velocity fields inside the separator was analyzed. When the diameter of the cylinder increased to a certain value, the generation of vortex nuclei was eliminated, further improving the separation efficiency. Considering the requirements of the cartridge filter on the resistance and separation efficiency of the pre-dust removal device, it is appropriate to use #IV or #V axial separator (cylinder diameter of 40 mm, cylinder length of 100 and 120 mm, respectively). These separators exhibit resistance values of 417 Pa and 303 Pa, and separation efficiencies of 67.6 % and 63.9 % respectively, with #IV demonstrating superior efficiency in capturing small-sized dust particles. The study identifies the optimal structure of the pre-dusting device, guiding its design and implementation to reduce the operational load on the cartridge filter, extend cleaning cycles, and improve service life.

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筒体结构对轴向分离器预除尘的影响

本研究提出了一种使用轴向分离器作为滤筒过滤器预除尘装置的新方法。研究了具有最佳除尘性能的结构参数，并在此基础上分析了分离器内部压力场和气流速度场的分布。当圆筒直径增大到一定值时，涡核的产生被消除，从而进一步提高了分离效率。考虑到筒式过滤器对预除尘装置的阻力和分离效率的要求，宜采用 #IV 或 #V 轴向分离器（圆筒直径分别为 40 毫米，圆筒长度分别为 100 毫米和 120 毫米）。这些分离器的阻力值分别为 417 Pa 和 303 Pa，分离效率分别为 67.6 % 和 63.9 %，其中 #IV 型分离器在捕获小尺寸尘粒方面表现出更高的效率。该研究确定了预除尘装置的最佳结构，指导其设计和实施，以减轻滤筒过滤器的运行负荷，延长清洁周期，提高使用寿命。

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来源期刊

Advanced Powder Technology 工程技术-工程：化工

CiteScore

9.50

自引率

7.70%

发文量

424

审稿时长

55 days

期刊介绍： The aim of Advanced Powder Technology is to meet the demand for an international journal that integrates all aspects of science and technology research on powder and particulate materials. The journal fulfills this purpose by publishing original research papers, rapid communications, reviews, and translated articles by prominent researchers worldwide. The editorial work of Advanced Powder Technology, which was founded as the International Journal of the Society of Powder Technology, Japan, is now shared by distinguished board members, who operate in a unique framework designed to respond to the increasing global demand for articles on not only powder and particles, but also on various materials produced from them. Advanced Powder Technology covers various areas, but a discussion of powder and particles is required in articles. Topics include: Production of powder and particulate materials in gases and liquids(nanoparticles, fine ceramics, pharmaceuticals, novel functional materials, etc.); Aerosol and colloidal processing; Powder and particle characterization; Dynamics and phenomena; Calculation and simulation (CFD, DEM, Monte Carlo method, population balance, etc.); Measurement and control of powder processes; Particle modification; Comminution; Powder handling and operations (storage, transport, granulation, separation, fluidization, etc.)