The construction of the second heating hub is very smooth, but even if the construction is completed, the heating hub can not be put into use immediately like the first heating hub.

Limited by the fact that the return well below is used to inject water into the ground, this heating hub can not directly extract heat from the ground, but can only rely on the hot water extracted from the first heating hub on the other side of the railway station, which is transported by the pipeline, to play the role of the heating hub.

As for whether the hot water extracted from the first heating hub can still be supplied to the second heating hub after its own evaporation and heat dissipation and pipeline transportation, it depends on the total amount of heat energy carried by the groundwater extracted from the first heating hub.

"As long as the hot water extracted from the first heating hub can provide enough heat, there is no problem in supplying the two heating hubs." In the face of Wang Hai's question, while planning the pipeline construction line, Chen Xin explained to him: "in addition, each heating hub is installed with an isotope temperature difference battery, and the output power of the battery is maintaining the operation of the heating hub. As for the surplus, the electric heating mode can be turned on when necessary."

After listening to Chen Xin's explanation, Wang Hai seems to know nothing about it. He is just a soldier. He doesn't know much about this kind of thing, and he just asks.

Chen Xin naturally knows that Wang Hai doesn't know much about this kind of thing, but he just gives a smooth explanation and adjusts his mood after work.

Otherwise, it would be very tiring to work so sullen all the time.

"In that case, the heating hubs built in the future are all in this mode of pairing?" Wang Hai looked at the standard points on the map in front of Chen Xin and made a little analysis to determine that these points should be the places where the heating hub will be built in the future.

"Not necessarily, I may take a more effective way in the future." Chen Xin shook his head, opened the projection on the power armor and projected the drawings of the heating hub and energy tower.

This time, however, Chen's projection is not a plan, but a three-dimensional image.

"This is the energy tower that I plan to build to extract deep geothermal energy. It will extract geothermal resources from a depth of more than 3000 meters underground, transport a large amount of heat energy to the surface, then transport it to various heating hubs through pipelines, and then re inject it into the ground through the pipelines below the heating hubs." Chen Xin explained and controlled the projection for demonstration, which made Wang Hai intuitively understand what kind of system this is and how it works: "this is the heating network I designed. Now these two heating hubs are just a test unit, to verify whether my idea is feasible. After the relevant problems of this technology have been verified, it will be a real challenge The construction of a new heating network will begin. "

Wang Hai looked at the projection demonstration in front of him, but he couldn't help raising his eyebrows. Although he didn't understand it very well, he probably knew the benefits of such a heating network, which made him feel quite confused.

But Chen Xin told Wang Hai about these things, of course, not just to show him.

Limited by the troubles and troubles caused by the pipeline construction, Chen Xin told Wang Hai that he just wanted to clarify his ideas while explaining these things to Wang Hai, so that he could use his brain to think about whether there was a way to complete the pipeline laying work in a short time without using a lot of hands.

Of course, part of the reason is that Chen Xin himself has a strong desire to express himself. He is a performance personality. He likes to show others his ideas and ideas in this way, which will make him feel very successful.

It's like saying that a performer always needs the audience to appreciate his performance on stage. As a novelist, even if he is only a network novelist, Chen Xin hopes to have more people to read and appreciate his works.

Even now that he has stopped writing books, he hopes that the things he creates will be praised by others.

However, apart from showing off, Chen Xin is really thinking about how to solve the problem of pipeline laying.

Now it's only a few thousand meters away. It's a way to solve the problem by putting in a lot of manpower, but it's also a stupid way.

If possible, Chen Xin hopes to have more efficient and smarter ways to solve problems.

After all, if you want to build a heating network in a real sense, the laying of pipelines will inevitably become one of the problems in the construction process.

Instead of leaving the trouble to be solved later, it's better to think about how to solve this problem once and for all.

Of course, the best solution to this problem is to use the shield machine. Although the cost of using the shield machine is high and the snow is not suitable, the shield machine is indeed the best solution to this problem.

As for the problems existing in the shield machine, this is a good solution for Chen Xin, and it is good to use the system for targeted upgrading.

As long as there is a system, Chen Xin is confident to transform a shared shield machine.

Chen Xinzheng thought this way, but he suddenly realized that since he was able to upgrade the existing shield machine, why not design a shield machine that can be used here?The real shield machine is used to build tunnels. It's huge. Because it has to face the complex terrain conditions such as rock stratum, it also has extraordinary requirements for material, so the natural cost is very expensive.

But what Chen Xin wants to use here is different. First of all, what Chen Xin needs to face is not hard rock and complex soil layer, but homogeneous and soft snow. In terms of material, even if Chen Xin uses wood to make a shield machine, he can dig snow.

Moreover, Chen Xin doesn't need to dig the hole much. He just needs to be able to lay the pipe in. Even considering the construction of laying the pipe, he just needs to make a diameter as big as two people can work inside.

Even Chen Xin doesn't need to dig out how strong the tunnel is, as long as it can be supported until the pipeline construction is completed, even if it collapses later, it doesn't matter to Chen Xin.

And digging such a tunnel, naturally, the requirements for mining tools are not so high.

In short, Chen Xin does not need to build a real shield machine. All he needs is a tunneling tool, which is not difficult to build.

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