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Because all the parts have been prefabricated in advance and workers only need to assemble them, the construction of the heating hub did not take too much time.
Including the time for laying the foundation, it only took two days to complete all the work.
After the installation of the heating hub was completed, Chen Xin originally planned to wait until the return well at the No. 7 Middle School was completed and then connect the pipes on both sides before starting the heating hub.
After all, in addition to the issue of drainage, there is also the risk of large amounts of groundwater being extracted that may cause cavities in the rock formations and cause collapse. In today's situation where it is difficult to replenish groundwater naturally, excessive extraction of groundwater should be avoided as much as possible.
However, after consulting Professor Zhang for relevant knowledge, Chen Xin put aside these concerns.
Extracting a large amount of groundwater will indeed cause cavities in underground rock formations, but this requires a long period of time and continuous large-scale extraction. If it is only a short period of time and the amount of water pumped is not large, the impact will not be significant.
Geological subsidence caused by groundwater extraction mostly occurs in areas where groundwater is extracted on a large scale all year round. Those areas use groundwater without restraint. In addition, they are areas with relatively poor water resources. Precipitation is not abundant enough. Groundwater has been extracted for a long time. Without replenishment, underground cavities will form and geological collapse will occur.
As long as it is not extracted in large quantities and for a long time, it will not cause such serious consequences.
And although the geological structure of Linshi is complex, it is relatively stable. There have been no geological disasters such as earthquakes or collapses in many years.
Under such circumstances, Chen Xin did not hesitate and chose to activate the heating hub.
As the heating hub begins to operate, the underground hot spring water is pumped up with abundant heat energy. The heat is dissipated through evaporative heat dissipation equipment and then turned into cold water and discharged.
According to the design, this cold water should be transported through pipelines to the return well and then reinjected into the ground.
But since the construction of the return well has not been completed, the cold water can only be discharged naturally.
Chen Xin¡¯s original worry that the accumulated water would flow along the railway did not happen. Due to the terrain of Linshi, which is high in the south and low in the north, the accumulated water was discharged to the south of the train station through pipes by workers.
The south side of the train station was originally the family area of ??the train station employees. It is only separated from the train station by a wall and can be reached across the railway track.
Further south is a wasteland and a pond. This is a relatively low-lying area near the city. Although the terrain is slightly raised due to the large amount of snow, when measuring the altitude, it is still a low-lying area.
So after using a water pipe to stand on the ravine above the railway, and guiding the water pipe through the railway, you can safely discharge it here.
What needs to be discharged is not only the cold water after heat dissipation, but also the accumulated water formed after the snow melts.
However, the water accumulation is not particularly serious, because while the heating hub emits heat to melt the snow, the ambient temperature also affects the melting of the snow, which results in the snow not melting very quickly.
Just standing next to the snow pit, watching the working heating hub emitting billowing heat waves, melting the surrounding snow little by little, and at the same time, streams of white "steam" rising around it, is really impressive. It feels like being in the steam age and feeling the beauty of heavy industry.
The reason why "steam" is generated is not because the temperature is too high, causing the melted ice and snow to directly turn into white steam, but when the snow melts, part of the water vapor evaporates into the air, and these small water droplets leave the supply. After the thermal hub's heating field affects the area, the pre-cooling quickly condenses and turns into tiny ice crystals.
Because the tiny ice crystals were too small and too light, they did not fall to the ground. They were driven by the airflow and rose into the air, naturally turning into white "steam".
Chen Xin stretched out his hand to wipe off the moisture accumulated on his helmet. Looking at the snow that was gradually dissolving, he finally showed a satisfied smile on his face.
Of course, the speed at which the heating hub melts the snow is not as fast as the instantaneous evaporation of the snow when the heating equipment is turned on in the game "Ice and Steam Age", but watching the snow melt into water at a speed visible to the naked eye, flowing and falling on the snow The bottom of the pit turned into stagnant water and was pumped away by the water pump, which still gave Chen Xin a very strong sense of satisfaction.
This is what he made, bringing warmth back to the earth in this era. Even though it is only a small area, it is still worth being proud of.
With this thought, Chen Xin walked down to the bottom of the snow pit. The water here had already covered the insteps of the power armor. No.Chen Xin didn't care.
Because this is to make it easier for the water pump to pump water, it will accumulate so much. Otherwise, the water will be too shallow and it will be troublesome for the water pump to not be able to suck water.
Through the environmental monitoring of the power armor, Chen Xin can clearly know that the temperature around the heating hub has reached 27 degrees Celsius. However, because the surrounding snow is more than ten meters high, almost level with the heating hub, the current heating site The coverage area is still only the snow pit, which does not reach the radius of 200 meters in Chen Xin's design.
However, as the snow continues to melt, the snow pit has begun to become wider at the top and narrower at the bottom. As long as it continues, it will become a large trumpet, like the shape of a sea bowl.
Looking at the rumbling heating hub in front of him, Chen Xin thought for a while and opened the lock of the power armor, walked out of the power armor, and took off his helmet.
The warm and water-vapor-rich air hit his face, making Chen Xin couldn't help but take a deep breath, letting the moist air inhale through his nose and fill his chest.
This feeling has been long gone!
This feeling of standing outside and breathing the warm air freely!
Chen Xin took a long breath and then looked up at the heating hub standing like a tower in front of him.
Thanks to it, the surrounding air is warm and moist, just like the feeling of summer in the past.
Compared with the slightly dry and cold air in the shelter, the air quality here may not be much better, but the feeling is completely different.
Just standing outside and breathing the warm, moist air is enough to make people feel excited.
After all, the entire earth is now a huge hell of ice and snow. Being able to stand outside and breathe warm air freely is a very rare and long-lost thing.
Feeling that something that was common in the past but now very rare, Chen Xin shook his head slightly and felt a firm belief in promoting it.
¡° Let humans return to the earth and get rid of their dependence on underground shelters. Chen Xin believes that with these heating hubs and planned energy towers, he will be able to do it in his lifetime. (Remember the website address: www.hlnovel.com