Fukushima reacts and piles up and penetrates too high competence Repair blockage

Fukushima reacts and piles up and penetrates too high competence Repair blockage
Fukushima reacts and piles up and penetrates too high competence Repair blockage
A protestor wears a mask in the gathering against the core of Tokyo. The radioactive water within and around Fukushima first nuclear power station repairs the main challenge that personnel face as reactors, attempt to control the efforts in the damaged nuclear power station to slow down, people can't help worrying about the new danger brought to staff members and the environment in nuclear power station. On Sunday morning, people's worry reached the unprecedented intensity. Electricity of Fukushima first operator Tokyo of nuclear power station (TokyoElectricPowerCo.) Say one reactor puddle that gather radiate competence, reach reactor, pile the intersection of core and normal 10 million times of competence in the building will it be morning Sunday, the staff members of the reactor withdrew immediately. Later on electricity of Tokyo is said, the measurement is inaccurate, and it is 100,000 times more low to normal level to adjust it, still far higher than the normal value. Japanese Government says on Sunday, the radiation thing measured in the nearby sea water increases continuously. On Saturday, Japanese Government has announced the radiation thing in the surrounding waters is increased sharply for the first time. Japanese officers say, the radiation level of the surrounding waters is increased to 1,850 times that the law limited, it is 1,250 times on Saturday. Japanese officer Zhou Ri says, it causes the reason of internal and external water pollution of nuclear power station that they are still uncertain, but the radiation puddle within the nuclear power station is probably caused by valve and pipeline leakage, not because the reactor seal installation presents the damage. They say, the pollution of nearby sea water may be that the rainwater or steam cause, they have absorbed the overhead radiation near the nuclear power station, then fall into the sea. Electricity of Tokyo and one supervise officers to exclude seniorly from the possibility let out directly in radiation of nuclear power station. Though Japanese officers acknowledge there is serious radioactive pollution (this kind of situation appears for the first time on Thursday) in the puddle within the nuclear power station ,But they attempt to connect the whole story of the question, say this has delayed progress in order to realize the goal of cold shutdown finally and make, but not destroyed the progress made up until now. The cold shutdown means that cools the reactor to the safe level. The data that electricity of Tokyo offers reveal, sample and see from air outside Fukushima first main entrance of nuclear power station, the radiation level drops again on Sunday, in dropping constantly too for several days in succession before this, radiate competence the most low during about two weeks at present. This means leaking reflecting onto speed and already beginning to slow down of in the atmosphere, the danger that the reactor piles the core and melts down seriously is like already retreating. It has been initial for a few days that tsunami attacks Japan, the reactor is extremely tall in temperature, the pressure is rising constantly, these reflect the sign of piling the core and melting down soon. It measure air since Tokyo and water to radiation level Sunday continue not dropping. Japanese officers still insist, the radioactive water that has appeared for the last few days though has been in the virulent level, but except staff member that expose to water directly, do not nearly all pose the direct threat to anyone. Three staff members stepped foot on the radioactive puddle last week, and then received treatment in hospital, but Japanese officers say they will leave hospital on Monday. Japanese officer say the intersection of radiation and material in the sea water will soon dissipate, and malicious puddle inside the nuclear power station pump into the nuclear power station among a container safely. If water polluted is leaked from the nuclear power station in the soil in the outside, will cause worrying more. But the electric spokesman of Tokyo says, the company thought the company has not been permeated from the floor of the nuclear power station into soil by water polluted. Swallow of high-ranking official of Japanese nuclear power regulator Western Hills Great Britain (HidehikoNishiyama) Say, we are handling this, so it will not let out, there will not be any influence to pollute water. But a wild good fortune man (YukioEdano) of chief cabinet secretary Say, the detection of the internal and external soil of every hydropower station has already begun; We are making every effort to promote and making analysis fast. The reason why the radioactive water leaks is not confirmed yet, but the severity of the problem depends on what the reason is to a certain extent. Official side and some independent experts say, they guess because leakage has taken place in the pipeline that is defeated by, exports the reactor water, water pump. Will repair the valve or pipeline than the repair seal installation - -Hold the excellent last protective screen in the body of every - storeyed storehouse of nuclear fuel - -It is easier. The swallow say, we believe at present, the seal installation is not stored in crack or any damaged spare part in Western Hills Great Britain. Leak issue, can see from radioactive water of last four days, maintain work to be still complicated filling uncertainty. When the worker, engineer and supervisor have been seeming to already solve the old problem, have to face the new problem again. Make people to be nervous than detail of the radioactive water perhaps, it is this that has revealed that has already to work become very unpredictable to maintain, therefore no one want, say, maintain how sharp does it work all right, finish easily while being large certainly, all very difficult. The expert says, in view of the significance of the task, Japan is taking action carefully carefully. Expert these say so long as staff member can let, pile heart, keep, cool, heat that nuclear material release can naturally fewer and fewer. Side of Stowe, this Weir of U.S.A. Ohio state helps the university (FranciscanUniversityofSteubenville ille) Strange (AlexanderSich) in the west of the associate professor Say, time is to stand in they are on one side, the longer the time to wait for is, it is the lower to pile the heart temperature, the lighter the pressure of the system is. The next urgent task of nuclear power station is the radioactive water accumulation cleared up in the building basement of three turbines. The job of drawing water of a building has already begun on Saturday. Besides this, the maintenance personal is trying hard to let the control room of every reactor operate. On Saturday, they finished letting all four question aircrews resume the task of some electricity. But this is only the first step. Staff members also need to let all monitors and apparatuses in the control room operate, could let them contribute. Do not know how long this will take at present. Another key task is to put through the original cooling system. These systems are damaged and paralysed by the tsunami on March 11, thus it is overheated to cause reactors. The regulator has hoped to start this job before last Friday, but been delayed, part of the reason is that the reactor inside is gathering the radioactive water constantly. Do not know when to resume this job yet at present. Before the regular cooling system is put through, staff members are utilizing a large amount of water flooding of many kinds of means such as the helicopter, high-power water pipe, try hard to prevent the reactor temperature from rising. This job is being adjusted from two key respects. First of all, they are accelerating changing water of the cooling reactor to the fresh water from the sea water. Though sea water can get fast, in a large amount, itself have some questions too: Sea water is a evaporation, Will leave salt, may cover fuel to be excellent, cooling result on so kind. The reactor begins on Saturday to accept the fresh water was poured, the reactor No. one and three had already realized and changed on the second. 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