Balance exérgetico en la Planta de Lácteos ESPOCH en la comunidad de Tunshi.

Abstract

The study objective was realizing an exergetic balance, in the Dairy plant of the Escuela Superior Politecnica de Chimborazo, located in the community of Tunshi. The Dairy plant appears with three principal lines, which are: standardization and pasteurization, steam generator, cooling system. This balance was realized to obtain the information more detailed about the destroy exergy in all the lines of the plant. The results indicate the highest rate of exergy destroyed in all the plant was produced in the heat plate exchanger with the 29, 42 KW, the reason is the heat transfer because of the different temperatures. In the line of steam generator, the highest rate of exergy destroyed was produced in the boiler because of the heat lost (5, 14 KW). In the line if the cooling system the highest rate of exergy destroyed gave in the ice bank for the transfer of quickly heat (0, 221 KW). The less efficiency of exergy was given in the centrifuged with the 8% because of fat globule which may accumulate, follow with the 12% of homogenizer. Therefore a little improvement in the exergy efficiency could reduce the destroy exergy. In accordance with the results of the present study, the parameters of performance and sustainability of the process plants of dairy products could be better evaluated and improved.