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Côrtes, Mariana Wached de Paiva; Turci, Luiz Felipe Ramos; Rodrigues, Marcos Vinícius
Engenharia Sanitaria e Ambiental, 01/2020, Volume: 25, Issue: 1Journal Article
RESUMO Neste trabalho, analisou-se a eficiência de um sistema de exaustão de material particulado em um processo real de eletrofusão. Particularmente, realizaram-se análises de distribuição granulométrica em diferentes estágios do processo. Utilizando os dados da análise granulométrica, avaliou-se a eficiência do ciclone comparando-a com a eficiência de projeto - adicionalmente, a eficiência do ciclone foi também calculada com base no balanço de massa de todo o processo. Apesar de algumas medidas tomadas pela empresa a fim de melhorar a eficiência do sistema de exaustão, resultados indicam eficiência do ciclone da ordem de 50%, e perda de material particulado para atmosfera da ordem de 1 t a cada batelada do processo. Neste trabalho, apresentam-se detalhadamente as etapas da análise de eficiência do sistema de exaustão, particularmente do ciclone, e a proposta de redimensionamento do ciclone. ABSTRACT In this work, we analyzed the performance of a particulate matter exhaust system of a real electrofusion production process. Particularly, we performed particle size distribution analysis at different stages of the process. Using particle size distribution data, cyclone operation efficiency was evaluated by comparing it with design efficiency - in addition, cyclone efficiency was also calculated based on the mass balance of the entire process. Despite some measures taken by the company in order to improve the exhaust system efficiency, results indicate cyclone efficiency of around 50%, and particulate matter loss to atmosphere of 1t at each batch of the process. This paper presented in detail the steps of the efficiency analysis of the exhaust system, particularly the cyclone, and the proposed cyclone resizing.
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