Kamis, 12 April 2012

I wonder if the quake had anything to do with the problem with problem with the cooling system at Unit 4's spent fuel pool ?



M5.6 Ibaraki offshore



M5.6 happened at Ibaraki offshore.

10 km deep.

Scale 4 at Fukushima Hamadori.

The impact to reactor 4 is not known.

M5.6 Ibaraki offshore
and.....

Water leakage of SFP of reactor 4 was recovered



Coolant system might be restarted shortly.

<Translate>
(Tweet of Ms. Tanioka, a member of the House of Councilors from The Democratic Party of Japan)
At 20:00, from the information of the nuclear agency, water leakage was recovered. After re checking-up, coolant system will be restarted.
and further ....

[Emergency] Coolant system of reactor 4 stopped




14:44  4/12/2012, Coolant system of reactor 4 stopped. If you are in Japan, please prepare for 


evacuating just in case.
Emergency mail from Tepco
<Translate>
4/12 14:44, alarm of water leakage from heat exchanger unit was given out, coolant system of the SFP of reactor 4 was automatically stopped.
<End>


<Translate>
At the moment, Tepco is trying to check the leakage point of the coolant system. Now the temperature of SFP is 28℃, it increases at 0.5℃/h.

<End>


<Translate>
(Tweet of Ms. Tanioka, a member of the House of Councilors from The Democratic Party of Japan)
At 19:00, the cooling system of SFP in reactor 4 is not back on. The temperature is about 29℃. Information from The Nuclear Agency.
<End>


<Translate>
From the explanation of The Nuclear Agency, the temperature increases at a linear manner, at 0.5℃/h. It is not know how much water is leaking. There are 70hours until it goes up to 65℃ (=maintenance code).

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