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Performance Enhancement of Sugar Mill by Alternate Cooling System for Condenser

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 9)

Publication Date:

Authors : ; ;

Page : 521-527

Keywords : Boiling of juice; bagasse yields; crushing; scrubbing system; vacuum measurement; gur.;

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Agro industry plays a crucial role in the industrialization process of developing countries. Sugar industry is second largest agro industry in the world. In sugar manufacturing plants there are various processes for production of sugar i.e. extraction of juice, clarification, evaporation, concentration of juice, forming and separating crystals etc. These processes consumed energies in the form of mechanical energy, electrical energy and heat energy. So there are various sources of waste heat in sugar factory i.e. waste heat from hot flue gasses, hot water from evaporative body and boiler blow down. The large amount of waste heat passes from various devices of sugar factory causes decrease in the efficiency of sugar plants, and also increase the “Global Warming” which is very dangerous for our environment. The present cooling system for condenser is inappropriate & hence decrease vacuum in evaporators and pans. This will increase the boiling point temperature of juice. The proposed cooling system gives solution of both problems. The most important source of waste heat i.e. hot flue gases are use to run absorption chiller. The absorption chiller gives better cooling system for condenser. There will be improvement in condensation of vapour in condenser which will cause increase vacuum in evaporators and pans thereby reducing boiling point temperature of juice. This reduced boiling point temperature of juice requires less amount of steam for boiling, ultimately saving of bagasse and fuel economy can be attained. Thus this arrangement can be treated as the efficient method of utilization of waste heat for cooling condenser water in sugar factory thus saving further depletion of natural resources like coal, petroleum or else increasing its availability to other important processes and one can hope that the “waste heat recovery” may play an even greater role in the industrial development in this new millennium.

Last modified: 2014-10-16 22:19:41