IMPROVE EFFICIENCY OF COOLING TOWER BY PASSIVATION

MECHANICAL ENGINEERING

The main objective of this paper is to improve and modernization of instrument and process of cooling tower. This paper will help worker to execute their work with minimum effort and easy way. By this paper utilization of time and money will less, so that productivity will increase. By the brainstorming and with the help of fishbone diagram, various problem are arrange. DIFFERENT TYPES OF PROBLEMS FACEING IN PROCESS are Hydrometer is not ok, sp. Gravity of brine water is not maintained, Meg concentration is not maintained,Nh3 level ok, tubes of cooling tower is not ok, uneven flow, Ph level is not ok ,Compressor oil level ,Preventive maintenance is not done For overcome the problem facing of temperature difference in refrigeration system of utility various method are there. By this project various problem are solved such as temperature difference and many more. The term 'passivation' refers to treating metal with chemical baths in order to make them permanently resistant to corrosion. In same cases, passivation is the name given to the application of anti-corrosives (instead of a bath) to various metals. The process that is used to passivate copper, however, is a little different, as there is no way to truly alter this metal through chemical baths .Passivation requires a neutral to slightly alkaline pH. Circulating passivation chemicals with inhibitor should be circulated to have proper passive film Nevertheless, in order to change the metal surface from an active state to passive state. The electrode potential must be raised to a level above that of the passivation potential. Typically this is achieved by the use of PO4/polymers in the presence of oxygen.

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