Navegando por Autor "Paula, Milton Realino de"

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Study of the electricity consumption reduction of a compressed air system : the case of a steelmaking company.
(2017) Silva, Washington Luís Vieira da; Souza, Leonardo Carvalho Oliveira de; Bortolaia, Luis Antônio; Paula, Milton Realino de; Leal, Elisângela Martins
This work aims to reduce the energy consumption and thus increase the availability of blast furnace compressors of a steelmaking company, located in Alto Paraopeba region in Minas Gerais state, Brazil, through the elimination of waste points in the compressed air distribution. In order to develop this work, an ultrasound test in the compressed air line was performed to identify and quantify leaks in the flow. Once the leaks were identified, they were eliminated through corrective maintenance and improvements, and then the energy consumption scenarios before and after the improvements were compared. As a result, the average monthly electricity consumption in the reporting period decreased by 57.2%. In addition, one compressor was set aside in stand-by condition, as in the original plant. Thus, one can prove the efficiency in eliminating of waste points in compressed air distribution, since the reduction of energy consumption is important for the company to remain competitive, as the cost of electric energy affects the final price of the final products.