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| Thread ID: 116606 | 2011-03-11 23:25:00 | Nuclear Power stations in NZ - Yes or No? | zqwerty (97) | PC World Chat |
| Post ID | Timestamp | Content | User | ||
| 1185364 | 2011-03-14 23:40:00 | They're talking about the reactor having a suppression pool. Seems from here: www.ucsusa.org that the (now reduced) containment pressure may be critical in avoiding the equivalent of a 'vapour lock' disabling the coolant pumps in this area - once the water is boiling at the point of the pump impeller then all the pump does is spin steam instead of pump water. |
Paul.Cov (425) | ||
| 1185365 | 2011-03-14 23:47:00 | Power Station officials are dodging stating the facts in plain language, but have found it prudent now to go on TV to do so. www.ustream.tv About 50 'staff' remain onsite. The others from #1 and #3 reactors have been evacuated. Suppression pool level had dropped, 2.7m of rods exposed, but water levels rising while seawater injection continues. |
Paul.Cov (425) | ||
| 1185366 | 2011-03-14 23:50:00 | Hmm - a reporter got tough with the questions regarding breach of the suppression pool, and the power station execs propmtly terminated the press conference. | Paul.Cov (425) | ||
| 1185367 | 2011-03-14 23:54:00 | Guy Fawkes already tried something similar so I heard. :) If you are in Brisbane as you say what do you mean by we? I am most definitely in Brisbane, been here for 6 years since retiring - Why as a Kiwi do I choose to live in Brissy, it is more livable than any of NZs big cities, and they treat retirees better in Australia than they do in NZ, not that that is hard. Also got more than fed up with NZs suffocating political correctness, and the multiculturism bullsh*t. I go in for open heart surgury at the end of the month to replace a badly torn Mital Valve. Timetable, Problem diagnosed January, saw cardiologist beginning of February, two in Hospital tests done before end of February, saw cardiac surgeon a week ago last Monday, operation within 3 weeks, and this is on the Health system not going private- Chances of getting this operation in NZ on the public health system at age 70 - near as one can get to a big fat zero - in NZ at my age the problem would kill you before you got anything out of the health service. Nuclear power is relatively clean energy, but must be located in a geographically stable are- So why under the Beehive - NZ politicians, in common with the breed world wide are a bunch of self servicing dishonest opportunists. Guy Fawkes was the only man who ever entered parliament with honest attempt, and in common with most entrants to that unholy place he screwed up. |
KenESmith (6287) | ||
| 1185368 | 2011-03-15 01:08:00 | Paul.Cov Some great analysis there. Yes the drawings we see of the reactor vessel do show a hemispherical shape at the bottom, which would encourage any melted fuel to gather there. And I though the same too if you pumped in sea water it would turn to steam straight away as its so hot in there. And I suppose there are only one or two pipes going into the vessel as it would have to be welded up very well. The BBC is saying that 4 out of 5 pumps in one reactor have failed. That's not very good. (where did we get those cheap pumps from ?) In view of the fact that the third reactor is probably going to explode I wonder if they will leave the guys in there. In the first one 4 guys were "injured" in the second one 7 guys were injured. Still I suppose someone has to be there working the pumps etc. Talk about hero's |
Digby (677) | ||
| 1185369 | 2011-03-15 01:55:00 | Yeah, you have to wonder if the 'injured' is simply the number who got themselves out alive. I would not be surprised if they were suppressing the details of any deaths - much as happened in Chch. Japanese culture historically abounds with heroes who sacrifice themselves, whether for the country, or for honour and pride. The guys working at those plants are undeniably heroes. I do wonder how many of the companys executives will end up killing themselves - Karochi (or however it's spelt). The pumps could have failed for electrical or mechanical reasons. Chances are they've been operating well outside of design tolerances for much of the last 3 days. If it is the scenario of vapour in the pumps they have only limited and poor counter measures - reduce the pump speed / increase the pressure (which slows the feed of seawater) / decrease the temperature (which isn't an option). The only feasible option likely being to slow the suppression pool pump, or allow a vast release of gas and pressure in order to get the seawater flowing in more efficiently. As an additional problem - if the containment is leaking, then every litre of seawater pumped in may equate to a proportional volume of contaminated water leaking out around the plant. At some point it may become more advisable to abandon all efforts and let it vent to the atmosphere. Number 3 has a more hazardous fuel with respect to any exposure. |
Paul.Cov (425) | ||
| 1185370 | 2011-03-15 02:00:00 | Now revealed that their storage facility for spent nuclear fuel has lost it's roof. It seems it too needs water circulated to keep things cool. |
Paul.Cov (425) | ||
| 1185371 | 2011-03-15 02:07:00 | #1 plant: Evacuation radius of 20km. For those in the 20-30km radius "stay indoors". #2 plant: Evacuation radius of 10km. Seems all is not well at #2 plant either. Still unaware of what issues may involve reactors 4 & 5 at #1 plant. |
Paul.Cov (425) | ||
| 1185372 | 2011-03-15 02:14:00 | #4 reactor, which was out of operation at the time of the quake has a fire. #4 is the storeplace of the spent fuels, which has roof damage and is burning. |
Paul.Cov (425) | ||
| 1185373 | 2011-03-15 03:52:00 | I am initiating my own evacuation area. Its 6,000 miles. |
Digby (677) | ||
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