Downloading: Efficiency Enhancement of a Vacuum Absorption Machine in Chilled Water Plant
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Efficiency Enhancement of a Vacuum Absorption Machine in Chilled Water Plant

Patnayakuni Anitha, M.L.S. Deva Kumar, G.Venkateswarulu

Abstract: The existing chiller plant in Visakhapatnam steel plant which is based on vapour absorption system is integrated with steam control that is operated on drain control system with pneumatically controlled valve, one heat exchanger, vacuum without purge tank and two solution pumps. This system has the capacity of 1000TR (each chiller) that requires 1050Cu.M/Hr/Chiller service water and uses 22KW power continuous rating. This project is focused on enhancement of efficiency of the existing vacuum absorption machine by re designing the chiller with certain modifications, fabricating and comparing the results of old and new chillers. From industrial point of view the requirement of service water and consumption of power is to be reduced. For achieving the above requirement modifications include addition of heat reclaimer, vacuum system with purge tank for removal of dissolved gases, removal of a solution pump, drain (steam) control is changed to inlet control system with Auto controlled valve and auto level controllers.

Keywords: chiller plant, heat reclaimer, purge tank, Vishakhapatnam steel plant



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