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View Diary: Losing the Pacific Ocean (162 comments)

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  •  Clueless. And annoying. (0+ / 0-)

    Because this troll is doing his troll thing (gotta love the desperate "last word" crap) in my diary, I'll use the basic design diagram Minas linked...

    The "Primary Containment" is that upside-down light bulb looking thing in which the reactor vessel hangs from the top. The "Secondary Containment" is the reactor building around the bulb and including the donut-shaped torus in the first below-ground basement, a.k.a. the "Reactor Building."

    The torus is not the "Primary Containment" because it contains nothing directly associated with reactor operation. Like the actual reactor, control rods, instrumentation, sampling stations, etc. It is an RCS overflow reservoir and pressure relief structure for the primary. IOW, a peripheral structure making up for the volume deficiencies of the primary.

    To my knowledge there has never been a meltdown where corium lava ended up in the torus (until Daiichi #2). If that corium has melted through the torus, it would be on the basement floor underneath its melt-hole in the bottom of torus structure. If it melts through that floor it would fall to the floor of the next sub-basement. If it were to find and follow any drain pipes at the bottom of the torus or basement floors it would follow those pipes to their lowest level, then exit at that point if still hot enough. It would not flow vertically uphill at any point, nor would it fly through air and melt through walls horizontally as New Minas has so cluelessly claimed.

    Bottom line: Gravity Works.

    •  you sure are derogatory (0+ / 0-)

      when you know absolutely nothing of what you speak. . .

      The Mark I containment design consists of several major components, many of which can be seen on
      page 3-16. These major components include:

      • The drywell, which surrounds the reactor vessel and recirculation loops,
      A suppression chamber, which stores a large body of water (suppression pool),
      • An interconnecting vent network between the drywell and the suppression chamber, and
      The secondary containment, which surrounds the primary containment (drywell and suppression
      pool)
      and houses the spent fuel pool and emergency core cooling systems.

      here, go see for yourself:  http://www.nrc.gov/...
      The primary containment is designed to condense steam and to contain fission products released from a loss of coolant accident so that offsite radiation doses  specified in 10 CFR 100 are not exceeded and to provide a heat sink and water source for certain safety related equipment.
      OF COURSE THE SUPPRESSION POOL IS PRIMARY CONTAINMENT!

      there aren't "Drains" in the primary containment.  puhleeze!!!

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