Probably coolant system of SFP recovered

Coolant system of SFP at reactor4 was restarted at 16:04  4/13/2012, Tepco announced in their press conference of the same day.

4号機プールの冷却装置は16:04に再起動したと東電が発表しました。

However, for the potential increase of the temperature, Tepco prepared a water truck for reactor 4.

しかしながら、今後の温度上昇にそなえ、キリン放水車を配備しています。

At 15:00, the temperature was 37.6℃, it was 35℃ at 16:00 but this is the temperature of surface, which is difficult from the entire temperature of SFP4. The actual temperature is not known.

15:00の段階で37.6℃、16:00の段階で35℃となっていますが、これはプールの表面温度のため、プール本体の温度とは異なります。プール本体の温度は未だ発表されていません。

Tepco assumes it was because bubble got in the instrumentation line.

冷却装置の停止は計装ラインがエアを噛んだためではないかと東電は推測しています。

 

 

About this site

This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.

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