Tag "coolant system"

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Spent Fuel Pools

The coolant system of reactor3 SFP back on, “No back-up system installed yet ?”

According to Tepco, the coolant system of reactor3 SFP was restarted at 17:20 of 4/5/2013 (JST). (cf, [Breaking] Coolant system of reactor3 SFP stopped, Tepco is investigating the reason [URL])

Spent Fuel Pools

[Breaking] Coolant system of reactor3 SFP stopped, Tepco is investigating the reason

At 14:27 of 4/5/2013, the coolant system of reactor3 spent fuel pool stopped. Now Tepco and nuclear regulatory agency are investigating the reason. There was no emergency email for the

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[Power blackout] Coolant system of common pool restarted

Following up this article..”[Power blackout] Coolant system of reactor1,3 &4 restored, common pool to be back on by 8AM of 3/20/2013 [URL]” According to NHK, Tepco restarted the coolant system

Spent Fuel Pools

[Reader’s post] “Common spent fuel pool is more heated than SFP of reactor1, 2, 3”

On 12/19/2012, Fukushima Diary reported “Common usage pool may be more heated than SFP of reactor3″.  [Link] The source added the temperature increasing rate in SFP of reactor 1 and 2

Spent Fuel Pools

[Express] “Common usage pool may be more heated than SFP of reactor3”

Introducing important tweets as [Express] for simultaneous update.   SFPでの循環冷却停止時の温度上昇率まとめ今日、共用プールでの循環冷却が再開された。実績データが出たので記録する。 twitter.com/ManTakano/stat… — 高野只男さん (@ManTakano) 12月 19, 2012 <Translate> The temperature increasing rate while the coolant system is stopped for SFP

Spent Fuel Pools

Tepco to stop coolant system of SFP in reactor3 from 12/12 to 12/18 in the risk of aftershock after M7.4

At 14:02 of 12/12/2012, Tepco stopped the coolant system of SFP in reactor3 to add valves and check clack valves. It will be stopped until 12/18 while Meteorological agency is

Contaminated water crisis Core removing struggle

[Column] X-day – when Fukushima plant discharges millions of tones of the contaminated water to Pacific ocean

The biggest threat of Fukushima plant is believed to be the SFP of reactor4. They say, the pool is set in the really unstable situation, it might not be able

Spent Fuel Pools

Fuel clad of SFP3 reaches 800℃ within 1 day without coolant water

Tepco reported the fuel clad of spent fuel pool in reactor3 reaches 800℃ in case it loses the coolant water. Tepco comments they can restart giving coolant water within 1

Spent Fuel Pools

Tepco is going to stop coolant system of SFP reactor4 for 56 hours

At 9:36AM of 10/22/2012, Tepco stopped SFP4 coolant system for the part replacing. They are to stop it for 56 hours. The temperature is estimated to increase from 29℃ to

Spent Fuel Pools

Burnt motor of coolant system for reactor4

Following up this article..Coolant system stopped at reactor 4 again, back-up turned on Tepco published the pictures of burnt motor on their daily press conference of 6/5/2012.