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Advisor(s)
Abstract(s)
O presente estudo surge pela necessidade de melhorar o gerenciamento do consumo de água
num pavilhão industrial. Para isso, é proposta a solução de utilização de água pluvial para fins
não potáveis, sendo feita a análise de quatro cenários, sendo que estes se diferem na demanda
necessária de água pluvial para abastecer diferentes aparelhos sanitários.
No cenário 1 foi proposta a substituição da água da rede pública pela água pluvial apenas nos
autoclismos das bacias de retrete. No cenário 2 esta substituição ocorre nos autoclismos das
bacias de retrete e nos fluxómetros de mictórios. O cenário 3 é o que requer maior demanda,
pois inclui, além dos autoclismos das bacias de retrete e os fluxómetros de mictórios, os outros
usos, os quais incluem a lavagem do pavimento do pavilhão e usos nas máquinas industriais. Já
no cenário 4 faz-se a substituição pelo uso da água pluvial apenas para os outros usos.
Os quatro cenários estudados apresentam poupanças de água e economias nas faturas de água.
No caso do cenário 3, onde há maior demanda de água pluvial a redução na utilização da água
da rede pública chega a 78,06% e a fatura anual de água pode reduzir mais de 4.500,00 €,
considerando um reservatório de 85 m³. Enquanto os cenários 1 e 2, mostram uma redução de
14,09% e 17,37% no consumo de água pública, considerando volumes dos reservatórios de 20
m³ e 25 m³, respectivamente, e a redução na fatura anual de água em torno de 1.000,00 €, nos
dois casos. No caso do cenário 4, este também apresenta maiores economias, pois os outros
usos são parte significativa no consumo do pavilhão, como 62,12% e mais de 3.500,00 €,
considerando para este caso um reservatório de 60 m³.
Desta forma, os cenários que se mostram mais eficientes são o cenário 3 e o cenário 4. O cenário
3 por ter a maior demanda e, possivelmente, um rápido retorno financeiro. O cenário 4 por
conter a porção de maior demanda no consumo e, possivelmente, aproveitar da rede já existente,
diminuindo os custos de instalação.
The present work appears with the necessity to improve the water consumption management in an industrial building. Therefore, a solution of rainwater use for non-drinkable purposes is proposed, analyzing four scenarios, which differ in the required rainwater demand to supply different sanitary appliances. In scenario 1, the substitution of public water for rainwater in toilet bowl flush toilets was suggested. In scenario 2 the substitution is in toilet bowl flush toilets and urinal flowmeters. The scenario 3 is the one which requires greater demand, it includes toilet bowl flush toilets, urinal flowmeters and other uses, which include the water for washing the pavilion’s floor and uses in the industrial machines. For scenario 4, the substitution by the rainwater is only to other uses. The four studied scenarios feature water savings and reduction on the water bill. In scenario 3, which has a greater demand of rainwater, the reduction of public water is about 78.06% and the annual water bill reduces more than €4,500.00, considering an 85 m³ reservoir. While scenarios 1 and 2 show reduction of 14.09% and 17.37% in public water consumption, considering reservoir volumes of 20 m³ and 25 m³, respectively, and the invoice decrease about €1,000.00, in both cases. In scenario 4 also shows high savings, because the other uses are significant part of the consumption, reducing 62.12% and more than €3,500.00, considering for this case a 60 m³ reservoir. The scenarios 3 and 4 are the ones that proved to be more efficient. The 3 because of the large demand of water and, possibly a fast payback. The 4th scenario due to highest portion of water demand and, potential use of the existent water network, lowering the cost of installation.
The present work appears with the necessity to improve the water consumption management in an industrial building. Therefore, a solution of rainwater use for non-drinkable purposes is proposed, analyzing four scenarios, which differ in the required rainwater demand to supply different sanitary appliances. In scenario 1, the substitution of public water for rainwater in toilet bowl flush toilets was suggested. In scenario 2 the substitution is in toilet bowl flush toilets and urinal flowmeters. The scenario 3 is the one which requires greater demand, it includes toilet bowl flush toilets, urinal flowmeters and other uses, which include the water for washing the pavilion’s floor and uses in the industrial machines. For scenario 4, the substitution by the rainwater is only to other uses. The four studied scenarios feature water savings and reduction on the water bill. In scenario 3, which has a greater demand of rainwater, the reduction of public water is about 78.06% and the annual water bill reduces more than €4,500.00, considering an 85 m³ reservoir. While scenarios 1 and 2 show reduction of 14.09% and 17.37% in public water consumption, considering reservoir volumes of 20 m³ and 25 m³, respectively, and the invoice decrease about €1,000.00, in both cases. In scenario 4 also shows high savings, because the other uses are significant part of the consumption, reducing 62.12% and more than €3,500.00, considering for this case a 60 m³ reservoir. The scenarios 3 and 4 are the ones that proved to be more efficient. The 3 because of the large demand of water and, possibly a fast payback. The 4th scenario due to highest portion of water demand and, potential use of the existent water network, lowering the cost of installation.
Description
Mestrado de dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná
Keywords
Eficiência hídrica Aproveitamento de águas pluviais Pavilhão industrial