March 28 evening, the Tokyo Electric Power Company and Japan Atomic Energy and Industry, Safety and Security Institute has announced that the first nuclear power plant is located in Unit 2 of Fukushima external water pipe shaft detected high levels of radiation dose, and after inspection, the Power Station Unit of the shafts 1,3 There is also water. The Tokyo Electric Power 28 for the first time mentioned, the reactor pressure vessel may be the damage.
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Or into the ground and the sea.
Tokyo Electric Power, 28, said at a press conference the afternoon, at 15:30 on the 27th or so, the staff in the Unit 2 nuclear power plant in Fukushima first shaft found in water pipes and water surface has been detected in more than 1000 mm per hour West of the radiation dose. The pipe shaft in the turbine room of Unit 2 external, usually where there is no radioactive material, so they were not included in the scope of monitoring of radioactive substances. Day, the staff of Unit 2 is still water in the turbine room detected more than 1,000 mSv of radiation dose.
Tokyo Electric Power introduction, 27, found to contain high levels of radiation shaft water turbine generator set is connected to the engine room and extend the pipeline to the sea, the main generator is used to set up the pipes and cables. 27, staff found a deep shaft in the water, only about 1 meter away from the wellhead. In addition, the operators of units still in shaft 1,3 also found in water, while shafts of Unit 1 water per hour is 0.4 mSv of radiation, Unit 3 due to failure to prevent the debris measurements.
As the water level in the shaft close away from the wellhead and the wellhead, but the distance to the beach 50 meters of contaminated water may be seeping into the ground and the sea and contaminate water or soil. Currently, the Tokyo Electric Power is the outflow and infiltration of water to investigate the situation.
Tokyo Electric Power Company Vice President Wu Rong-28 at Vine said, hoping to take effective measures to deal with the shaft of the water as soon as possible. Water in the turbine room that is the electrical equipment concentrated. If you do not rule out the water, you can not use external power supply and restore the reactor's cooling.
Fukushima nuclear power plant unit to the basement water first appeared excessive radioactivity serious problem, Tokyo Electric Power Company 28, first mentioned the possibility of damage to the reactor pressure vessel. Tokyo Electric Power said the water but because of the continuing pressure vessels not filled with water, and water containing radioactive substances into the turbine house basements and other factors, suggesting that closure of the reactor fuel and cooling water pressure vessels may be damaged. "May be damaged pipeline pressure vessel cavity occurs, leading to the outside of the water into the containment."
East Power to the French for help.
According to reports, the French Industry Minister Eric Besson, 28, said Tokyo Electric Power Company has a formal request to France, the French hope to help deal with relevant agencies and enterprises the first nuclear power plant in Fukushima nuclear accident. Besson said that the first nuclear power plant in Fukushima situation "very grim", Tokyo Electric Power Company has been unable to stabilize the situation.
18th of this month, the French electricity company, announced, to provide a group of about 130 tons of Japanese aid, including in the robot operating under a nuclear accident.