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Image shows extent of damage to reactor at Fukushima plant

1 dec 2017 corroded tubes reactor 3.jpg
Severely damaged parts of a device once used to move control rods are stuck in a hole inside the pressure vessel of the No. 3 reactor at the Fukushima No. 1 nuclear plant. (Provided by International Research Institute for Nuclear Decommissioning)
An image taken by an underwater robot shows corroded tubes stuck in a hole created by melted fuel in the pressure vessel of the No. 3 reactor at the Fukushima No. 1 nuclear plant.
The image offers clues on the extent of the damage caused when fuel rods in the reactor melted through the bottom of the pressure vessel after the disaster at the nuclear plant unfolded in March 2011.
Tokyo Electric Power Co., operator of the plant, sent the specially designed robot into the reactor in July. The company earlier released images taken by the robot that showed ‘what is believed’ to be melted nuclear fuel debris.
In the image released on Nov. 30, TEPCO identified the severely corroded and damaged tubes as parts of a device used to move control rods. Normally, that device is located inside the pressure vessel.
TEPCO on Nov. 30 also said it would conduct another study inside of the containment vessel of the No. 2 reactor at the plant in January. The containment vessel surrounds the pressure vessel.
A telescopic stick more than 10 meters long and equipped with a camera will be used for the survey.
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December 4, 2017 - Posted by | Fukushima 2017 | , ,

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