Flow regulation at constant head in feedwater pumps in a sugar industry

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Fecha

2018-11

Autores

Gómez, Julio R.
Sousa, Vladimir
Quintana, Mario S.
Viego, Percy R.
Hernández, Hernán
Quispe, Enrique C.

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Institute of Advanced Engineering and Science

Resumen

In this paper the feasibility of energy saving by implementing flow regulation at constant load in feedwater pumps in a sugar industry is studied. As regulation strategy, the use of a variable speed drive in the hydraulic system is proposed. For the project evaluation, the Net Present Value and Payback Period techniques are used. Among the variables considered are the price of energy, the equipment useful life, financial data and those related to environmental impact. As a result, it was found that if only a commercial approach is considered, the energy saving strategy is profitable but not attractive, because investment is recovered in a period close to the useful life of technology. However, if a government focus that encourages the implementation of these energies saving strategies is considered, the investment of the project recovers in a short time.

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Palabras clave

Energy saving, Feedwater pumps, Flow regulation, Sugar cane industry, Variable speed drives

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