Doomsday Bunker Upgrade Chapter 247: Retrofit options

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In fact, there are not many places that can be modified in terms of structural improvement. First of all, the tent itself needs to be in contact with the air. In addition, this is a tent made of soft materials. It is impossible to say that there is a difference between the outer and inner fabric of the tent Make a vacuum interlayer between them, or fill some hard high-performance thermal insulation materials to make a thermal insulation layer.

The traditional double-layer design is already a very reasonable structure. Even in the research expeditions of Mount Everest and the North and South poles, this double-layer structure tent is sufficient.

All Chen Xin can do is to add an inflatable insulation layer at the bottom of the tent to prevent heat from dissipating to the ground, and at the same time add a small porch with two layers of curtains at the door, so that when someone opens the curtain, it will not let the The cold air from the outside enters the tent directly, blocking the heat loss inside.

For a large tent such as a medical tent, the tent door and the floor are the two main channels for heat loss. As long as the heat loss in these two places is blocked, the tent can obtain a better thermal insulation effect.

Other than that, there are improvements in materials.

Because of the cost, the material used in this large tent is PVC airtight cloth, and the PVC material has been said before that its temperature tolerance is -40℃~65℃, beyond this range, the material properties will be affected. It changes and loses its original performance.

In the case of small tents, manufacturers can use materials with better performance such as PU and PE as the coating of the tarpaulin because they can not worry too much about the cost, so that the tent has better protection performance.

However, PU material, that is, polyurethane, is currently the best thermal insulation material in the world. The thermal insulation material used by Chen Xin and his friends in the survival group when they built the shelter was polyurethane coating.

According to different material formulations, this material can be made of materials that can withstand -50°C~150°C. Among them, TPEE thermoplastic polyester elastomer, also called polyester rubber, has excellent performance and can withstand temperature differences in - Between 70°C and 200°C, it can be said to be an excellent thermal insulation material.

If possible, of course, Chen Xin would like to use this material to upgrade the current medical tent, but it is a pity that this high-performance thermal insulation material is also an urgently needed material for the country. There is not much inventory in the market.

Faced with this situation, Chen Xin could only consider getting some existing materials to make do with it.

The captain was still very dedicated to the tent renovation, and helped Chen Xin find the staff from the city to coordinate the materials he needed.

PU material, a high-performance thermal insulation material, is naturally a good steel to use on the blade for the city, and it is unlikely to be evened out for Chen Xin to improve the tent.

However, the staff can still provide Chen Xin with some cold blankets.

"Cold-proof felt? This can make do with it. How much can I get?" Chen Xin heard from the staff that there was only cold-proof felt, although he felt that it was far from the material he wanted, but since the materials Nervous, it can only be of any use.

Seeing that Chen Xin didn't dislike the cold-proof felt, the staff hurriedly said: "This was used to build a greenhouse before the disaster in the city, but after a meteorite hit, the greenhouse was not built. Many people ordered it at that time. The backlog of cold-proof felts has been built up. If you need it, I can ask someone to get you a batch."

"That's all right, let's get a few rolls over first, the tent can be covered as much as possible to start the insulation effect." Chen Xin can only say so at this time.

When the staff arranged for someone to bring the cold-proof blankets, Chen Xin was not idle either. He returned to the tent that had been set up, ready to see what could be improved.

In the tent, five of his assigned volunteers are simmering around a fireplace.

They don't have protective clothing like Chen Xin and the members of the rescue team. They only have ordinary cold-proof clothing on their bodies. The smell is a bit unpleasant.

Although Chen Xin is wearing power armor and has an air filter system that can't smell it, he can still imagine what it smells like.

This obviously reminded him that in addition to improving the insulation performance of the tent, it can also improve the heater so that the heater can provide more heat.

This is obviously Chen Xin's old line of work, and he still has a useful tool like a universal robotic arm, and he doesn't even need a system upgrade to modify the furnace.

Bringing an unused heater next to him, Chen Xin controlled the power armor and sat awkwardly on the ground.

Although this set of power armor is not as exaggerated as one or two tons in sci-fi works, there are still a few hundred pounds, so Chen Xin is not good to sit on the temporary hospital bed next to him~IndoMTL.com~ for fear of direct pressure Collapse, can only sit on the ground.

Fortunately, when the joint was designed with flexibility in mind, sitting on the ground is not a problem.

Using the robotic arm to disassemble the heater, and using the scanning device on the robotic arm to scan the heater as a whole, Chen Xin dismantled the heater while looking at the scan results projected on the helmet screen, thinking about what to do Make a transformation.

There are a total of four heaters in the tent. For safety reasons, they are all electric heaters, powered by an external power supply.

With the output of one isotope thermoelectric battery, it is more than enough to power several tents.

So on the premise of not worrying about electricity consumption, the simplest and most rude way to transform the heater is to directly increase the power. Although Lida flying bricks is a very wasteful practice, it has to be said that many times things are It can be solved like this.

Considering that the isotope thermoelectric battery can output stable power for ten years, Lida flying brick type amplifying power is actually the simplest choice at the moment.

Chen Xin chose this method only after a little consideration.

However, in this case, the circuit of the heater itself needs to be optimized, at least it will not burn out or short-circuit due to too much power.

Controlling the robotic arm to continue dismantling the heater, Chen Xin decided to try this time without system upgrades to complete the renovation of the heater. Anyway, with a top-level tool like a universal robotic arm, Chen Xin doesn't think he can even do it. I can't handle a heater.

However, after he dismantled the heater into parts, Chen Xin discovered a fact that made him a little embarrassed.

That is, if there is no raw material, even if he has a universal robotic arm that can 3D print parts and perform various machining operations, Chen Xin still cannot complete the transformation of the furnace out of thin air.