Tag "coolant system"

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Breaking news Fukushima Plant Plant hazard

Coolant system of Reactor 2 pool stopped / “Someone turned off a related switch”

On 11/27/2014, coolant system of Reactor 2 pool suddenly stopped, according to Tepco. Approx. 5 hours later, Tepco managed to reboot the system. Pool water temperature was 16.7 ℃ when

Fukushima Plant Plant hazard Spent Fuel Pools

Reactor 5 pool without coolant system leaked its coolant water

Photo : Leaked SFP 5 water before pumped up.   According to Tepco, SFP 5 (Reactor5 Spent Fuel Pool) leaked its coolant water on 7/19/2014.   Unidentified water was found

Fukushima Plant Plant hazard

Reactor 5 pool coolant system won’t get back on until August

Photo : The leaking hole is currently covered with the hardening agent and a piece of wood is put on tied by some belt. [URL]   Following up this article..  

Fukushima Plant Plant hazard

Coolant system of Reactor 6 spent fuel pool also suspended for 2 hours

Related to this article.. Reactor 5 temperature jumped up 13 ℃ while losing coolant system only for 2 days [URL]   On 7/11/2014, Tepco announced the coolant system of SFP

Fukushima Plant Plant hazard

Reactor 5 temperature jumped up 13 ℃ while losing coolant system only for 2 days

Graph : Blue line shows the reactor temperature, Green line shows the SFP 5 temperature   Following up this article..   Tepco no clue to reboot coolant system of Pool

Fukushima Plant Plant hazard

Tepco no clue to reboot coolant system of Pool of Reactor 5 / Gaining time by emergency measures – Photo

Following up this article..   Spent fuel pool of Reactor 5 suspended for coolant system failure / Tepco “We have 9 days to go” [URL]   On 7/6/2014, Tepco announced

Fukushima Plant Plant hazard Spent Fuel Pools

Spent fuel pool of Reactor 5 suspended for coolant system failure / Tepco “We have 9 days to go”

On 7/6/2014, Tepco announced the coolant system of Reactor 5 had a leakage failure to stop cooling the spent fuel pool.   Reactor 5 is shut down with Reactor 6,

Plant hazard

Tepco mis-operated to stop coolant system of Reactor1 and gas management systems

On 10/7/2013, the coolant water pump of reactor1 and gas management system for reactor1 and 2 were stopped by Tepco’s mis-operation. In the power facilities patrol, an inspector turned off

Spent Fuel Pools

Tepco to stop reactor3 pool coolant system for 102 hours until 7/12/2013

According to Tepco, they are going to stop the coolant system of reactor3 spent fuel pool for the instrument inspection. It will start on 7/8/2013 and end on 7/12/2013. (102

Spent Fuel Pools

Tepco stopped coolant system of SFP reactor2 for finding TWO rats in power transformer

According to Tepco, they stopped the coolant system for spent fuel pool of reactor2 for 4 hours. At 10:13 of 4/22/2013 (JST), the patrol team from Fukushima plant reliability improvement