Thesis ALTERNATIVA DE APROVECHAMIENTO DEL CALOR RESIDUAL DE UNA PLANTA DE FUERZA DE CO2 SUPERCRÍTICO UTILIZANDO UNA PLANTA DE DESALINIZACIÓN MED
Date
2020-01
Authors
PRADO LARRAÍN, TOMÁS
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Abstract
En este estudio se trabajó con dos modelos computaciones desarrollado por alumnos de magíster de la UTFSM. El primero de estos modela una planta de fuerza de CO2 y el segundo una planta MED. Para unir ambos modelos, se realizo un modelo en EES para un generador de vapor que utilice CO2 como fuente de calor. Posteriormente, son evaluados los costos de inversión de cada componente involucrado y los costos de operación asociados. Finalmente, se plantea y resuelve un problema exergoeconómico para evaluar el sistema. En un primer lugar, se obtuvo con costo de destilado cercano a los 0,60 [USD/m³], sin considerar los costos de traslado de agua. Este valor esta en un rango que permite participar en el mercado. Ya que, la planta de fuerza esta considerada como una planta solar, se evaluó el sistema en una locación con buena radiación, cercano a la costa chilena. Donde el costo de destilado se eleva hasta 11 [USD/m³] para la ultima unidad generada. Este valor sube principalmente por el costo de traslado de agua. Finalmente, se plantea como se puede hacer viable este alto costo de destilado, trabajando en conjunto a una empresa dentro de la minería chilena.
In this study worked with two computer models developed by master students of the UTFSM. The first of these models a CO2 force plant and the second a MED plant. To join both models, a model was made in EES to design a steam generator that uses CO2 as a heat source. Subsequently, the investment costs of each component involved, and the associated operating costs are evaluated. Finally, an exergoeconomic problem is posed and solved to evaluate the system. In the first place, it was obtained with a distillation cost close to 0.60 [USD / m³], without considering the costs of water transport. This value is in a range that allows to participate in the market. Since, the power plant is considered a solar plant, the system was evaluated in alocation with good radiation, close to the Chilean coast. Where the cost of distillate rises to 11 [USD / m³] for the last unit generated. This value rises mainly because of the cost of water transport. Finally, it is proposed how this high cost of distillate can be made viable, working together with a company within Chilean mining.
In this study worked with two computer models developed by master students of the UTFSM. The first of these models a CO2 force plant and the second a MED plant. To join both models, a model was made in EES to design a steam generator that uses CO2 as a heat source. Subsequently, the investment costs of each component involved, and the associated operating costs are evaluated. Finally, an exergoeconomic problem is posed and solved to evaluate the system. In the first place, it was obtained with a distillation cost close to 0.60 [USD / m³], without considering the costs of water transport. This value is in a range that allows to participate in the market. Since, the power plant is considered a solar plant, the system was evaluated in alocation with good radiation, close to the Chilean coast. Where the cost of distillate rises to 11 [USD / m³] for the last unit generated. This value rises mainly because of the cost of water transport. Finally, it is proposed how this high cost of distillate can be made viable, working together with a company within Chilean mining.
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Keywords
DESALINIZACION , PLANTAS DESALINIZADORAS , PLANTAS DE FUERZA