Design and Application for Heller System Radiator Built-In Automatic Cleaning Device

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Due to working in natural environment in a long term and dust deposited on the surface, air cooling radiator turns to a lower heat transfer rate, so that it leads to load limit operation for air cooling unit in summer. In allusion to indirect air cooling radiator with Heller System, high-pressure water jet technique is used and built-in cleaning device is designed to entirely solve above-mentioned problem. Cleaning device works automatically and realizes full cover cleaning. Cleaning-pressure is between 100 and 150bar and cleaning target distance keeps within 200mm. Dust on the surface of radiator can be entirely cleaned. Cleaning flow is 20m3 /h and the cleaning cost decreases greatly. Such device has been successfully tested and worked. Furthermore, it has been applied to the project with a system of 2×600MW supercritical indirect air cooling unit.

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470-473

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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