Talk:Steam generator (nuclear power)

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SG[edit]

Ah, I think the picture is Combustion Engineering. [1] I think it's correct to say B&W only made the once-through, and Westinghouse didn't make the "squared" design, more of a U-tube than a square tube. -Theanphibian ^{(talk • contribs)} 22:58, 22 February 2008 (UTC)[reply]

I would really like to see a source for the horizontal tube configuration being superior. —Preceding unsigned comment added by 99.243.165.46 (talk) 21:59, 17 April 2009 (UTC)[reply]

The USNRC Technical Training Center "Reactor Concepts Manual", in the Pressurized Water Reactor Systems section states that "The two stage process(Westinghouse and Combustion Engineering) of moisture removal is so efficient at removing the water that for every 100 pounds of steam that exits the steam generator, the water content is less than 0.25 pounds" where with the Babcock & Wilcox "the steam that exits the once through steam generator contains no moisture." Apparently this is signifigant because "it is important to maintain the moisture content of the steam as low as possible to prevent damage to the turbine blading." This is all on page 4-11. This part of the manual appears to be publicly avalible and would make a decent source, but I'm unsure if this is qualifies the configuration to be superior. — Preceding unsigned comment added by 198.8.4.11 (talk) 12:49, 26 June 2012 (UTC)[reply]

All three of those designs cited (W, C-E and B&W) are vertical steam generators. The design of the B&W steam generator provides a few degrees of superheat to exiting steam, hence there should be no liquid in the entrained steam. W and C-E steam generators use a two-stage drying system (1st stage: swirl vane; 2nd stage: chevron dryer) that catches most of the moisture. It's hard to directly compare the horizontal steam generator (as seen on NS Savannah and the VVER plants) as they're not directly comparable in US commercial practice.

-- Mliu92 (talk) 15:22, 25 November 2014 (UTC)[reply]

Babcock & Wilcox Canada made standard recirculating, vertical U-tube steam generators for CANDU nuclear reactors. Babcock & Wilcox Canada also delivered number of replacement steam generators for PWR plants. Jovica Riznic, 2018 January 23rd 19:57, 23 January 2018 (UTC)JovicaRiznic (talk)