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Nuclear Cooling Tower Filter Screen Cleaning

Company: Vistra Corporation

Major(s):
Primary: ME
Secondary: EE
Optional: MATSE

Non-Disclosure Agreement: YES

Intellectual Property: NO

At Beaver Valley Unit 1, we have issues with the cooling tower filter screens for the water exiting the cooling tower to the condenser clogging. This issue causes thermal performance to lag and as it degrades and can impact cooling tower pump performance which could lead to reducing power output of the power station. The past few years we have been bringing in divers to clean the screens. This is a risky situation that we would like to discontinue for personal safety reasons. What they have been finding is cooling tower fill stuck on the screen along with algae growth at certain times of the year. What we are looking for is a design that can automatically clean the screens so that we can control build-up. The feature would have to be capable of removing materials as well as cleaning the algae build-up.