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Abstract(s)
As estações de tratamento de águas residuais têm associadas estações elevatórias que têm de funcionar num regime muito intenso. Nestas instalações, uma das parcelas mais significativas é a correspondente ao consumo energético dos grupos de bombagem. O envelhecimento dos equipamentos e o aumento das necessidades de manutenção associado ao aparecimento de unidades de maior eficiência leva a que seja periodicamente importante avaliar a necessidade de substituição das unidades instaladas O presente trabalho resulta do Estágio Curricular que a autora efetuou, durante o segundo semestre do ano letivo de 2018/2019 na Efacec – Engenharia e Sistemas, S.A. Nesta empresa, a autora foi integrada na equipa técnica, onde desenvolveu um estudo das estações elevatórias pertencentes aos subsistemas de saneamento do Ave e Vila do Conde Sul, com vista à redução dos custos de operação. Este trabalho inclui casos de estudo para diferentes instalações que incluiu o levantamento dos consumos energéticos de cada estação elevatória, e orçamentos de duas empresas fabricantes de estes equipamentos. Chegou-se a conclusão que as bombas propostas pela empresa B tem um investimento inicial muito menor que as bombas propostas pela empresa A, por isso todas as bombas em que é conveniente a substituição, só é conveniente pela substituição das bombas pelas bombas propostas pela empresa B.
Wastewater treatment plants have associated pumping stations that have to operate under a very intense regime. In these installations, one of the most significant plots is the energy consumption of the pumping groups. The ageing of the equipment and the increased maintenance needs associated with the emergence of higher efficiency units makes it periodically important to evaluate the need to replace the installed units. This paper presents different case studies and for each of them, a survey was made. Energy consumption were the focus and solutions are proposed. The present work results from the Curricular Internship that the author did during the second semester of the academic year 2018/2019 at Efacec - Engenharia e Sistemas, SA. In this company, the author was part of the technical team, where she developed a study on energy consumption of the pumping stations belonging to the Ave and Vila do Conde Sul sanitation subsystems, focused on reducing operating costs and improving their efficiency.
Wastewater treatment plants have associated pumping stations that have to operate under a very intense regime. In these installations, one of the most significant plots is the energy consumption of the pumping groups. The ageing of the equipment and the increased maintenance needs associated with the emergence of higher efficiency units makes it periodically important to evaluate the need to replace the installed units. This paper presents different case studies and for each of them, a survey was made. Energy consumption were the focus and solutions are proposed. The present work results from the Curricular Internship that the author did during the second semester of the academic year 2018/2019 at Efacec - Engenharia e Sistemas, SA. In this company, the author was part of the technical team, where she developed a study on energy consumption of the pumping stations belonging to the Ave and Vila do Conde Sul sanitation subsystems, focused on reducing operating costs and improving their efficiency.
Description
Keywords
Estação de tratamento de águas residuais Estação elevatória Eficiência energética Bombas hidráulicas Wastewater treatment Stations Overhead stations Energy efficiency Hydraulic pumps