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In fact, it is not uncommon to say that in the room, where the ceiling of the entrance corridor is ventilated, behind the carved grille that looks like decoration, a circle of copper serpentine coils that look like ornaments are arranged. Where are the novels updated the fastest? Please look for the front and back biquge.info pipes are separate inlet and outlet pipes, leading to a main water pipe, which is connected to each room.

The main water main starts in a shed next to the guest house complex with a deep well. Deep-water wells are characterized by a constant temperature, regardless of winter and summer, and the temperature of the underground water is basically maintained at about four degrees Celsius. If the temperature outside reaches more than 30 degrees in the hot summer, this water is a very good natural cold source.

Therefore, Pang Yu designed this system: when the weather is hot, the cold water is lifted up in the shed with animal power such as cows, horses, mules and poured into the main water pipe. The guò regulates the valve to flow through the room that needs to be cooled, and uses the good thermal conductivity of the copper coil to absorb the heat and cool the room. After use, the recycled water will first be fed into the storage tank for the daily use of the guest house to ensure the abundance of domestic water, and the excess will be recharged to another nearby well to ensure the balance of groundwater.

This simple water-cooled air conditioning system is certainly not as efficient as modern air conditioners that use Freon to vaporize and absorb heat, but it is still no problem to reduce the temperature of the room to the point where the human body can clearly feel the coolness on a hot summer day. After all, it's in the modern world. There are also many people who use this kind of "soil air conditioning...... and it was once hyped by the government as a green means of energy conservation, but then it can no longer be carried out.

Because many people always feel that it is unnecessary to pump out the water and pour it back into the ground, so they directly use it as tap water. The overall groundwater level is rapidly decreasing, and the land subsidence is severe......

In the current era, there is no need to worry about this, not to mention that the family is using a deep well in the vicinity, given the high groundwater level on Hainan Island. Even if more groundwater is pumped out, it is estimated that there will be no obvious consequences. Therefore, for the clean water that has been pumped out, in the spirit of thrift and thrift, we still try to make comprehensive use of it. However, Pang Yu still designed a line for the water pipes that would eventually be recharged underground, and he knew that his design would be learned by the Ming Dynasty sooner or later. He only hopes that when the time comes, the craftsmen of the Ming Dynasty, who have always paid attention to respecting teachers, can honestly follow his original design, and don't make smart use of the cooling circulating water thoroughly, and don't give back to the earth at all, otherwise it will cause trouble sooner or later.

The principle of water-cooled air conditioning is not complicated, but it is not easy to realize it in engineering: firstly, the industrial team should be able to manufacture a coil heat exchanger with a very thin pipe wall and strong enough: secondly, there should be no running and dripping in the installation: in addition, the condensate should be drained in time to prevent the wall ceiling from rotting; It is also necessary to try to eliminate the noise interference of the sound of running water in the pipe to the guests: and take insulation measures for the exposed water pipe, so as to avoid the cooling effect of the remote room due to the long pipe line...... And many other issues. It must be solved one by one in practice. As long as there is any bit of bad handling, it will affect the overall effect.

Therefore, although Pang Yu and the comrades of the engineering team wanted to use this system as early as Lingao, when they designed and built the first collective dormitory and hospital for everyone, it is very difficult for modern people to tolerate the environment without air conditioning. But it wasn't until recently that the technology really supported the use of air conditioning systems.

It's just that once the air conditioner can really be put into practice, in a place like Hainan Island. The enormous contribution to the improvement of the living environment is unparalleled. At the current stage, it was only tried in a few places such as the guest house in Qiongzhou Mansion and the collective dormitory in Lingao, but it didn't take long for it to spread everywhere, basically crossing the territory of the people, and most of them would use such a system in their newly built houses. Anyway, it doesn't cost electricity or oil, you only need to drill a deep well to raise the head of the animal and turn around the well, in addition to the one-time investment in construction and installation, the overall use cost is not too high.

It's just that when they need to work, it's often the hottest day when the animals don't have long to dry and have to be replaced. Therefore, in order to ensure that this system can work normally, it is necessary to feed at least several large animals at the same time, and arrange special people to take care of and replace them, of course, these conditions are not a problem for the rich people who travel through the public and the Ming Dynasty. Ever since the Ming Dynasty families who were close to Qiong's navy had learned from them that it was not due to the power of ghosts and gods, but only a question of whether they were willing to invest money, the grade of a house no longer depended on whether or not it was carved or not. Rather, it depends on whether the installation of such equipment is complete.

However, for a long time, although the craftsmen of the Ming Dynasty mastered the principle. Although the principle of water-cooled air conditioning is simple, the practical troubles encountered by Pang Yu, Chen Jun and others in the project before still have to be overcome by the imitators. Without a complete set of advanced technical systems and architectural concepts behind it, the ingenuity of one or two skilled craftsmen alone can be barely used in a short period of time. It's still very difficult to keep it working for a long time.

Only short-haired construction crews are up to the task. The houses they built were also called, "short-haired houses". In the decades that followed, along with air conditioning heating. and the gradual spread of modern living equipment such as electric lights and telephones. , "Shorthair House". It has also become synonymous with the top high-end houses on the mainland. The symbol of the status of the talented and wealthy family is no longer to look at how high the steps are at the door. The stone drum on the side is only how big it is, but it depends on whether there are any equipment from shorthair at home......

Of course, this is all much later.

Today is Sunday, and according to the habit of the Qiong Navy, every Sunday is a day of rest, including those Ming Dynasty officials who are training here, and they also have a holiday, that is, they don't want to take a holiday. Teachers need to take a break. Ade didn't want to spend his precious weekend time on those sour literati, even if he also wanted to listen to poetry and music, and it was better to go to the entertainment venues in the city to find an informed and interesting cultural girl to play than to look at these donkey faces every day.

Early in the morning, student Shi Kefa went to the window of the restaurant to get breakfast as usual, and walked to the table with a tray to hold it, and if this work was in the Ming Dynasty, it would definitely be done by the small servants. But in the territory of the Joan Navy, they are required to do this kind of thing by themselves, and the staff at the restaurant window only recognizes them as themselves. It is stipulated that each student should go to the meal himself. Unless you are on sick leave, you can have someone else do it for you.

Of course, this kind of coercion can not play a big role, and those clever and clever servants have long been waiting by the master's side at this time, and as soon as the dinner plate is brought out, they quickly take it. There was nothing to be done about the restaurant, and they had wanted to stipulate that servants were not allowed to enter the restaurant, but then they thought that this rule itself was discriminatory and had to be abolished. However, Shi Kefa didn't mind this kind of equality, "so even if the little guy he brought with him followed suit, he still insisted on holding the plate to the table." His little boy was only twelve or thirteen years old, and he was still a childish. But if you can be a personal servant, you will naturally not be a stupid boy. At this time, quickly set up the dishes, chopsticks and spoons. Respectfully stand by and wait for the host to be served.

There was another one at the table, it was a Qingke staff member hired by Jia Kefa, who came to take office this time and brought two people, a servant and a staff member. With his Shi Xianzhi's ability, he actually doesn't need a master. But this time, the position assigned to him above was the same governor of Zhengliupin Luzon, who nominally belonged to the subordinates of the local prefect and served as an assistant. However, there is currently no prefect on Luzon. Therefore, Shi Kefa knew very well that he would actually be the chief official of the government at that time.

Qian Qianyi is very smart in this regard, and among the three islands, only Hainan Island appointed Cheng Yegao of Houlin Kochi County as the prefect according to the recommendation of the Qiong Navy. On the other two islands, only some subordinate officials such as Tongzhi and Tuiguan were dispatched, and none of the Zhengyin officials were appointed. There are many advantages to this: on the one hand, you can test the attitude of the shorthairs, see how they feel about the people they are sent, and if they can be accepted, then it is logical to promote them in the future. On the other hand. Leaving this position empty also helps to stimulate the enthusiasm of the bureaucrats below, and the donkey with a carrot dangling in front will always run faster.

Finally, if needed, he could also use these positions to exchange them with other forces. Attacking and retreating can be defended, which is really a very clever political strategy. The only thing that has to endure a little hardship is that specific officials like Shi Kefa need to undertake the work of the prefect, but they cannot enjoy the corresponding name and status. Of course, some people may be more happy about this, because there is no one above to suppress it, and they can play to their heart's content......

But in any case, to manage the affairs of a government, one person will definitely not be able to keep busy. It's inevitable to hire a staff member. So Shi Kefa invited this master according to a friend's recommendation, and he is also a friend who is quite famous in Xi'an, "quite arrogant." At this time, he was also standing next to him, and when he saw his employer coming, he just arched his hand, and didn't say anything, and sat down together to prepare for dinner.

The three of them were sitting on their knees, with only one breakfast in front of them, but they weren't the toughest. Because there is a better table nearby: there are five people sitting around the table, and the same official brings four companions, and he still has the cheekiness to occupy a table and share a meal......! ~！

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