NukeWorker Forum

Reference, Questions and Help => Nuke Q&A => Lessons Learned => Topic started by: wlrun3@aol.com on Nov 28, 2006, 12:45

Title: bwr recirc pumps
Post by: wlrun3@aol.com on Nov 28, 2006, 12:45

   my understanding is that oyster creek and nine mile one are the only boiling water reactors with more than two reactor coolant system recirculation pumps...am i right?...how many?
   

Title: Re: bwr recirc pumps
Post by: Fermi2 on Nov 28, 2006, 06:40

You are correct, both are BWR-2 with a Mark 1 Containment. They both have 5 loops with no jet pumps. I'm not sure as to whether they use variable speed control on their Recirc Pumps.

Mike

Title: Re: bwr recirc pumps
Post by: mattrev on Nov 29, 2006, 04:38

Quote from: Broadzilla on Nov 28, 2006, 06:40

You are correct, both are BWR-2 with a Mark 1 Containment. They both have 5 loops with no jet pumps. I'm not sure as to whether they use variable speed control on their Recirc Pumps.

Mike

Individual and a master. Controlling 5 mg sets.

Title: Re: bwr
Post by: wlrun3@aol.com on Nov 29, 2006, 10:53

   do riverbend, grandgulf, clinton, perry all have inclined fuel transfer canals...are there others

Title: Re: bwr recirc pumps
Post by: retired nuke on Nov 29, 2006, 11:21

the canal at GGNS is not inclined - pool inside and out are the same elevation.