Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/15124
Título: Vulnerabilidade de tubos gotejadores ao entupimento por precipitados químicos de ferro
Título(s) alternativo(s): Vulnerability of drip hoses to clogging by chemical precipitates of iron
Palavras-chave: Precipitados químicos
Sistemas de irrigação
Tubos gotejadores - Vulnerabilidade
Chemical precipitates
Irrigation systems
Drip Pipes - Vulnerability
Data do documento: Abr-2010
Editor: Instituto Federal de Educação, Ciência e Tecnologia do Sul de Minas Gerais
Citação: COSTA, C. C. da; CAMPOS, C. M. M., FARIA, M. A. de. Vulnerabilidade de tubos gotejadores ao entupimento por precipitados químicos de ferro. Revista Agrogeoambiental, Pouso Alegre, v. 2, n. 1, p. 18-27, abr. 2010.
Resumo: This research aimed to verifying the intensity of chemical precipitates in five different drip hoses models on water containing a high amount of total iron. The irrigation system was assembled with one reservoir of 1000 L, a set of motor pump of 0.5 cv, a 120 mesh filter disk, a test banch measuring where it was installed the drip hoses. The system was evaluated estimating the average flow rate, variation flow coeffícient (VFC), uniformity of distribution/emission and relative flow rate. It was possible to observe, during the days of the tests, and also at the end of the research (around 400 h of irrigation), that the chemical sediments of iron, deterioreted the performance of the drip hoses, promoting a great reduction in their flowing. The degree and the intensity of obstruction varied according to the model, observing that the makes which demanded more strictly fíltration (R and C), with a similar design aspects, labyrinths: R, Q and C, showed to be more susceptible to clogging problems. In the studies conditions it could be concluded, that the utilization of water, with that total iron concentration (3 mg.L-1), showed to compromise the irrigation performance.
URI: http://repositorio.ufla.br/jspui/handle/1/15124
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