Just like the development of human history, it is always stuttering,

Berry Country has no lessons learned from the past. If it wants to build a dungeon that can be used for living, it must be polished through continuous trial and error, development, and experiments.

but.…

Time is running out.

A month later comes the Little Ice Age, and ten months later the sun goes out.

They don't have any chance to make mistakes. If they choose the dungeon, once they fail once, the country of Berry will surely perish.

Because after spending too much time and resources in the dungeon, it may be too late to choose other options, and their remaining resources cannot support them to start again.

Therefore, they had no choice but to choose a giant wall of wind and snow that had almost no technical content, and surrounded Berry Country into a fortress.

However.…

Many people in Berry Kingdom are laughing at the dungeon of Dragon Kingdom, which is to hide in the ground and act like a mouse.

In fact, it was Berry Country himself who was the mouse...

According to their plan, the dungeon of the Dragon Kingdom is said to be exactly the same as the above-ground city. In the later stage, a huge sun can be imitated with the help of holographic simulation technology, hanging on the top of the dungeon.But Berry Country has sealed itself in a wall.

And the fatal problem brought about by this is that the carbon dioxide and other exhaust gases they produce will directly affect the entire interior of the fortress!

All other countries are free to use fossil fuels, because they can emit waste gas into the atmosphere, which is then absorbed and purified by Blue Star.

But Berry Country can't!

They don't even dare to use fossil energy, because those carbon dioxide and other greenhouse gases, toxic gases, will be trapped in the small space of the fortress, and eventually poison the country itself...

Ain sighed deeply.

Many people present were immersed in the grand project of the Berry Country Fortress and ignored this problem.

If they know that although Berry Country is rich in fossil energy, they hardly dare to use it, otherwise they will fill the pit with soil...

Will they develop extreme cold wind turbines at any cost?

"Master Commander, the extremely cold wind turbine, in a sense, has the same status as our giant wall of wind and snow. It must be developed and cannot be delayed!" Ain said with a very heavy tone.Unbelievably touched his chin, thought for a moment, and nodded in agreement.

"I hope that you can develop an extremely cold wind turbine that is more shocking than Dragon Kingdom."

Although he is outrageous and unwilling to admit it, he knows in his heart that the Berry Country Fortress is not as good as the Dragon Country Dungeon in terms of the construction of doomsday facilities.

Now there is another wind turbine, and this has always been the strong point of Berry Country. Even in the past few years, Long Country's wind turbines still lag behind Berry Country by a large margin.

If Berry Country loses in this field, then the people from the Ministry of Energy don't have to mess around!

A few hours later, Longguo.

At this moment, it was around two o'clock in the afternoon, the scorching sun was hanging in the air, and the scorching high temperature was scorching the ground. The whole country was shrouded in suffocating heat.

At this time, the engineers and workers of the Capital Iron and Steel Group are looking at the boiling molten steel and the exquisite cold steel rail rolling production line beyond the times with their bloodshot eyes.They have already worked all night + many hours, and many of them are physically exhausted to the extreme, but their spirits are still + extremely excited.

As a steady stream of steel enters the production line, it passes through a walking heating furnace, a reversible billet opening machine with two rollers, and an extremely cold rail rolling unit, and is cooled in a cooling bed, and then straightened and inspected. From the end of the production line, One after another, brand new steel rails are born in high temperature.

It seems to be a long steel dragon, connected end to end. The precise and hard extremely cold steel rails exude a bright metallic luster, which makes people obsessed and intoxicated... "This will be... the era of extremely cold steel." Wo Chengwen was so excited that his whole body was shaking. He had been waiting for this moment for too long. .

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Chapter 89 is followed by the world, the only great country in the world: Dragon Kingdom!

In the hot production workshop, the hot molten steel and the smell of molten iron rushed towards the face, burning people's faces red.

However, in the workshop, everyone's face was full of excitement, nervously looking at the extremely cold steel that was about to be baked.

He Yude's voice was old but with strength, and said: "Whether it is according to the Longguo rail standard TB, the Ouzhou rail standard EN,

Still use the rail standard UIC of the International Union of Railways and the rail standard AREMA of the Berry Country to evaluate. Our extremely cold rails are absolutely top-notch products. "

Wo Chengwen couldn't restrain the excitement in his eyes, and he said: "We... still underestimated Director Xu's extremely cold rail rolling process and production line..."

"The precision of this production line, as well as many details, are far beyond our expectations..."

There is endless admiration and respect in everyone's eyes.

They just thought that this extremely cold rail rolling process and production line had a design beyond the times.

However, when the assembly was completed according to Xu Qiu's requirements and the actual steel production was put into operation, they discovered that the extremely cold rail rolling process and production line possessed incomparable advantages.

Wo Chengwen and others studied all night and initially summarized five advantages.

First of all, in the extremely cold rail rolling process and production line, the friction system between the rail and the roll is greatly reduced, eliminating the phenomenon of rubbing, so the surface finish of the rail is significantly improved.

This results in fewer rail surface defects, which in turn improves the surface quality of the rail.

Second, through the rolling of the blanking machine pass and the pilot hole, the rail billet entering the extreme cold rail rolling unit is already close to the shape of the finished rail section. In the subsequent four to five extreme cold rolling passes, Its deformation is relatively small, so the rolling deformation force is relatively small.

In addition, the flexibility of mill adjustment is high.

The accuracy of the cross-sectional size of the rail is mainly affected by the rolling deformation of the final rolling pass. For extreme cold rolling, since the deformation is divided into two types: horizontal and vertical, rolling in each direction can be carried out separately. Adjustment makes it easier to grasp the accuracy of the rail section size.

Fourth, for the extremely cold rail rolling process and production line, since the friction between the roll and the rail is reduced, and the shape of the roll is simple, the wear of the roll is reduced.

In this way, the consumption of rolled spokes is almost only one-third of the ordinary process and production line! !

Finally, the extreme cold rail has always emphasized the reduction of friction, and the benefit of this is that the rail is easier to disengage from the pass, thereby reducing rolling energy consumption.

Chachacha.

The loud noise brought everyone's emotions back to reality.

One by one, the steel rails come out of the finishing mill UF and enter the cooling bed for natural cooling.

Due to the asymmetric cross-section of the rail and the large temperature difference, the rail will bend during the cooling process of the cooling bed.

Even a small degree of curvature will increase the residual stress of the rail after entering the straightening machine, affecting the quality of the entire rail.

Therefore, according to Xu Qiu's instructions, Wo Chengwen and others designed a rail pre-bending process line with a length of 100 meters, which can make the pre-bent rail very straight at the exit of the cooling bed.

And, after passing through the cooling bed and pre-bending, there is another process.

Straighten!

Wo Chengwen was excited, watching the pre-bent and cooled steel rails enter the straightening system consisting of horizontal roller leveler and vertical roller straightener.

He Yude looked proud.

This straightening system was built by him himself. It is the same as Xu Qiu's request, taking into account the high rigidity frame, the straightening ring and the straightening shaft assembled without gaps.

Chachacha.

The rail passes through the straightening system and enters the inspection center, where the rail finishing begins.

Next,

rail online monitoring,

Two-way hydraulic rail end correction,

And.....cut-to-length saw drills.

This testing center is still designed according to the plan proposed by Xu Qiu. The main equipment includes the rail section shape laser testing laboratory, flatness laser testing equipment, rail internal quality ultrasonic testing equipment, and rail surface quality eddy current testing equipment, etc. .

The rails passing through the inspection center will perform quite well in cross-sectional size, straightness, internal quality and surface quality.

At the same time, the entire production process of the rails, including the finishing line, is monitored by a secondary computer, and this computer, while ensuring that each rail is uniquely identified, will further verify the extreme cold performance of the rails at any time.

With the pre-bending and cooling of the rails, the straightening by the compound leveler, the inspection by the inspection center, and the final sawing to length, the extremely cold rail...is officially born! !

Wo Chengwen stared wide-eyed, looking at the work in front of him, his body trembling uncontrollably.

"This is... the most exquisite work I have ever seen in my life!" Wo Chengwen said in a deep voice, his tone full of pride.

He Yude opened his eyes wide, admiring the extremely cold steel rails over and over again with his old eyes, and said in a low voice: "This is the most advanced steel in the world. Behind it, other steels need to catch up for decades. "

"Wait, it actually came true!"

"We have not failed Director Xu, nor the people of Longguo!!"

Cheers resounded through the entire Shougang Group.

A steady stream of steel rails are produced from the production line, and this large number of steel rails will open a new era.

The Great Railway Era! !

Wo Chengwen and the others knew the inside story, they were dazzled, as if they had already seen that scene.

A gigantic nuclear-powered long dragon was driving on the vast expanse of China in the howling wind, and the steel rails under the train were the extremely cold steel rails that were being continuously made at this moment...

Longguo, the Dangerous Information Bureau building.

Xu Qiu sat on the chair and looked at the good news from the Capital Iron and Steel Group, with joy on his face.

Zou Botao said excitedly: "Director Xu, the extremely cold steel rail has been successfully developed after more than half a month!"

Xu Qiu looked into the distance and said, "Since that's the case, it's time to start a new era."

Everyone was excited and excited by Xu Qiu's words.

At the same time, everyone has doubts in their hearts.

Which one is better, the nuclear-powered train or the round-the-country train in the country of cherry blossoms?

Xu Qiu stood with his hands behind his back, describing the grand blueprint of the nuclear-powered train, he said:

"According to our design, each nuclear-powered train car is at least 25 meters wide, 15 meters high, and 120 meters long."

"And our current design is to have at least [-] carriages. If necessary, or the railway is unable to load, it can be appropriately reduced."

"But this nuclear-powered long train will still not be less than 6000 carriages, at least it will be around [-] meters!!"

Zou Baitao, Lu Guangyuan and others were filled with emotion. They really wanted to witness the birth of the nuclear-powered train.

In fact, as early as the 70s, Berry Country tried to manufacture nuclear-powered trains.

This train, from its appearance to its internal structure, is different from traditional trains. Its sci-fi appearance seems to come from the future.

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