Under the organization and planning of the municipal government, Chen Xin spent about a week to complete the transformation of three large shelters and six medium-sized shelters in the urban area, so that the urban area was still warm under the storm.

Chen Xin didn't have a very intuitive feeling about the significance of this warmth before, but when he finished the boiler transformation of the hospital and went to the pedestrian street shelter to carry out the boiler transformation of this large shelter, the survival status of the survivors in the shelter still shocked Chen Xin.

Pedestrian street shelter is a large underground space, and because its structure is a double-layer underground pedestrian street, there is a sunken square. Although it was designed as a civil air defense facility at the time of construction, its ventilation is very good.

Good ventilation is of course necessary for underground buildings, but good ventilation also means that heat loss is easier, especially when the underground space is larger, more vents are needed and more heat is lost.

As a result, the temperature of pedestrian street is lower than that of other medium-sized shelters.

In particular, the sunken square in the middle of the whole pedestrian street is open. Even if reinforcement and heat preservation measures are taken during the reconstruction of the refuge, it is still an important problem that will reduce the temperature of the refuge.

Moreover, the strip structure of the pedestrian street also leads to the rapid flow of air in the whole refuge, which may not be felt when walking normally. However, when the temperature drops below zero, the flowing air will make any point of heat in the refuge quickly dissipate and lose.

As a result, there are many people suffering from frostbite and hypothermia in pedestrian street shelters. Many people are even unable to leave the room to treat themselves. They can only lie in the cold and narrow room, wrapped in cold quilts and blankets, huddled in front of the radiator, and rely on the little bit of residual temperature to get worse in shivering.

Although the managers of the shelters have arranged inspectors to help the survivors in need, there are too many people in large shelters and the places are too large. Even if there are inspectors, it is difficult to provide help and treatment for everyone in time.

Many people are seriously ill before they can be sent to the hospital for treatment, and this is good, some people because of physical weakness or other diseases, even directly in the cold.

When Chen Xin arrived at the shelter on the pedestrian street, at the entrance of the sunken square, he saw no less than 20 body collecting bags, which had been filled with bodies. In this way, they were arranged in a row at the entrance of the shelter, waiting to be cremated.

This is a very heavy picture. Looking at the survivors who huddle in the small rooms transformed from the facade of the original underground pedestrian street, Chen Xin can deeply feel their helplessness and despair.

Doomsday, disaster, cold All of this is hopeless.

It has to be said that the pedestrian refuge is indeed the worst one in the city. Compared with the other two large shelters, it is not so easy to lose heat.

In fact, even after Chen Xin completed the renovation of the boiler and even replaced the heating pipeline of the refuge with air heating, the temperature inside the refuge did not rise above zero.

But fortunately, the temperature here has been significantly improved after the boiler transformation, from minus 20 degrees to a few degrees below zero, barely making the residents inside the shelter no longer feel warm with quilts on the radiator.

After Chen Xin renovated the boiler and heating pipeline, the residents in the shelter can still make the temperature in a small space rise above zero under the effect of heating as long as they close the doors of their rooms.

But compared with other shelters where the overall temperature has been raised above zero, the conditions are undoubtedly much more difficult.

Fortunately, the hot water from the boiler room is still very hot, so people here can have a good hot bath to relieve the pain caused by the continuous low temperature and cold for many days.

After the reconstruction of three large-scale shelters and six medium-sized shelters in the urban area, Chen Xin can finally put his energy on the isotope generator.

After all, Chen Xin said that although he has completed the boiler renovation of all the large and medium-sized shelters in the urban area, so that more than 100000 people will not die of cold in the blizzard, for the whole country, more than 99.99% of the population is still suffering the same fate.

And they are not so lucky, they can have people like Chen Xin to help them, they can only rely on their own to fight the storm.

Chen Xin is not confident that they can survive this.

For this reason, Chen Xin also specially consulted people from scientific research institutions and asked them if there were other ways to help those who were still suffering in the snowstorm, but the answer was frustrating.

Even the country has no good way to deal with this terrible snow disaster, only to increase heating to survive.

So this makes Chen Xin pay more attention to the isotope generator.In theory, an isotope generator is enough to supply all the power needs of a shelter, and the equipment itself occupies a small area, which can be put into a normal size bedroom after assembly.

If it can be mass produced and then transported to the shelters all over the country, it can provide them with abundant electricity for electric heating, so as to cooperate with coal-fired heating, so that they can support themselves in the snow disaster that they don't know when it will end.

This is why Chen Xin knows that the finalization and manufacture of isotope generator will take time, but he still devotes his energy to this project.

If it was in the past, with the adjustment of weather system, no matter how severe a snowstorm was, it would last for a few days, and the large-scale cold wave cooling weather would not last long.

But now that the weather system has collapsed and the world is frozen, the Blizzard has lasted for more than two weeks, and no one knows when it will end.

It could be tomorrow, it could be next week, it could be next month, it could even be like a storm on Mars for a whole year.

Therefore, in order to avoid further deterioration of the situation, Chen Xin thinks that if he can do it, he should try his best to do it, at least to save more people instead of watching them freeze to death.

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