Again a fire in the Japanese nuclear plant, the danger increased

This morning, the second fire broke out at the Fukushima 1 nuclear power plant's No. 4 reactor - the latest in a series of incidents at the plant, causing the threat of nuclear disaster to increase. .

The second fire broke out at the No. 4 reactor.

Yesterday, a fire broke out in this reactor, blowing away the roof. The government has also reported damage to reactor No. 2 at the Fukushima 1 plant 250km northeast of Tokyo, after an explosion from the kiln.Radioactivity at the plant has increased by 167 times the average in the fire - according to the International Atomic Energy Agency (IAEA).

The new fire that occurred at the plant's No. 4 reactor is thought to cause radioactive leaks. Kyodo news agency reported that the level of radiation in southern Fukushima had increased on Tuesday. The level of radiation in Tokyo is also higher than normal, but according to officials, has not yet endangered health.

Kyodo news agency quoted an official at the Tokyo Electric Power Company (TEPCO) saying that it is possible that some rods containing nuclear material in the reactor at the power plant have melted. If this is confirmed, it will be a new and more alarming concern for Japan. Tokyo Electric Power Company said that there were also problems at the No. 4 reactor, where the fuel rods had previously been moved, but there was still some fuel used.

It is clear that the situation is getting worse and there are many concerns about the possibility of radioactivity in the direction of the wind that can spread to densely populated areas, causing the government to tell people how to stay within 30km of the factory in the house .

The threat of a nuclear disaster is getting worse. After the explosion at two kilns No. 1 and No. 3 on March 12, it was the turn of kiln No. 3 to suffer the same fate, while the fire emitted at the No. 4 kiln yesterday and today.

'Needs to upgrade danger to 6/7'

The fire in the No. 4 furnace was extinguished, but due to the cooling water level descending, the temperature increased. The Japan Nuclear Safety Agency said the radioactive material was very much released. Tokyo calls on the US and the IAEA in Vienna to help.The call is meant for help.

Until now, the Japan Nuclear Safety Agency still ranked a nuclear accident at Fukushima at level 4. But the French Nuclear Safety Agency deems it very serious at level 6. So far. Only Chernobyl explosion was classified as level 7, the last point.

Along with this pessimistic remark, the Director of the Organization for Economic Cooperation and Development (OECD) Nuclear Energy stated that ' the current situation is very bad' . Director Luis Echavarri explained that the current threat is 'the tendency to have an isolated radioactive source inside the safety cover and continue to escape '.

Although nuclear safety officials in Japan still maintain level 4 and claim that the reactor-covered steel casing is not cracked, Prime Minister Naoto Kan has called on people to live in radioactive pollution in the road a radius of 20 to 30 km must be in the house and seal the door to prevent air from entering and leaving.

The water level in the nuclear reactors that are in danger of falling to Japan is much lower, the higher the danger of radiation leakage. When strenuous emergency personnel pump seawater into damaged nuclear reactors at the Fukushima power plant, the water inside the core overheats quickly and evaporates more than cold water. that they can pour into.

This increased the pressure in the reactor by producing steam, and as a result, the fuel rods were exposed to the air. No more water, these fuel rods heat up quickly. The casings of these fuel rods can be oxidized to produce hydrogen that can cause explosions.

Scientists think that explosions in reactors at Fukushima these past days could be hydrogen explosions.

Kuril Islands are located in northeastern Japan.

In Tokyo, the intensity of radioactivity in the air also rises in the morning before falling down due to the wind change direction, but still higher than the average.

According to the International Meteorological Organization, winds are changing from north to northeast, pushing radioactive smoke to the northeast, ie towards Russia and the Kuril Islands. Yesterday, Russia announced it had detected radiation in the Far East.

Concerns about leaking nuclear radiation in Japan are spreading to Singapore, where a large number of fresh seafood from Japan is delivered by plane every day to familiar sushi and sashimi restaurants.