Otaku Engineer in Great Tang Dynasty

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"The waterwheel is actually like a large turntable. It can be made of wooden poles or steel. The edge of the turntable is equipped with scrapers and water buckets. The water flow hits the scrapers and drives the wheel to rotate. When turning, the water bucket is filled with water, and it is lifted up section by section with the rotation of the water wheel. When it reaches the top of the water wheel, the water bucket is rotated by gravity, and the water in it will be poured into the water wheel above the water wheel. In the sink, the cycle is repeated, and the process from holding water to transporting water is completed.

Among them, the direction of the water bucket is very important. It must be against the direction of the water flow. Only in this way can the river water be filled and lifted to a high place. In addition, in the main wheel of this waterwheel, use Use the unique roller bearing of our workshop to reduce friction and improve the efficiency of river water transportation! Of course, for those stagnant water that does not flow, you can add a gear transmission mechanism to it, and use animal power to drive the roulette to rotate!

In short, no matter what method, it is much more convenient than the previous manual rollover~! "

In the afternoon, Li Zexuan took the blueprints he had drawn to the Qiqu Pavilion workshop. Yan Shaoning, Fu Bo, Mo Huai, and Mo Chui all rushed over after hearing the news. Li Zexuan spread out the drawings and explained the structure and operation principle of the waterwheel. Talk to the crowd carefully.

"Ingenious! It is really ingenious! In this way, as long as there is water in the river, this waterwheel can carry the river water to the bank day and night, and if there are more such waterwheels side by side on a section of the river, then the water can be moved. The water speed is absolutely enough to irrigate thousands of acres of fertile fields in a short period of time!"

After listening, Mo Huai imagined the scene of the waterwheel running in his mind. At the end, he couldn't help but stroked his beard and praised.

"That's right! Compared with the previous manpower rollovers, this kind of waterwheel can automatically transport water as long as it is placed on the river surface, which is not only convenient and labor-saving, but also produces a large amount of water! You can use this to transport the river water into the ditch, In this way, I will no longer be afraid of drought~!”

Fubo couldn't help but nodded.

Li Zexuan smiled and said: "Everyone is right, this waterwheel is equipped with ditches, which can completely water the farmland on a large scale! Tomorrow I will go to the county magistrate He to hurry up and use cement to fill the ditches in Lantian County. After all the renovations, Lantian County has a dam as a guarantee, and water can be directly released from the reservoir into the ditches. For the villages near the north of Lantian County, because the terrain is much higher than this side, you can use a waterwheel there. Bring the water over there!"

The terrain of Lantian County is that the north side is higher than the south side and the west side is higher than the east side. A canal can ensure that all the farmland can be irrigated, but like Yujiazhuang, which is close to the north, it is just wishful thinking to use the canal to divert the Bahe river water. The water in the ditches in the south is carried to the north!

"Renovating the ditch with cement? Xiaoxuan, did I hear it right?"

When Yan Shaoning heard the words, he couldn't help but widened his eyes and said incredulously.

Fu Bo, Mo Huai, and Mo Chui also looked at Li Zexuan in surprise at this time. They estimated that Li Zexuan had just made a mistake by accident!

Li Zexuan nodded and said: "Yes! That's right! It is to use cement to renovate the ditch! First, the ditch built with this kind of cement can reduce the loss in the process of water flow. It is more convenient to maintain and does not need to be dredged every year, which saves manpower and material resources, compared to the cement cost, it can be said to be too cost-effective~!"

Yan Shaoning nodded thoughtfully and said, "That's the truth, but only Lantian County can afford such an extravagant method~!"

To build aqueducts in other places, it is just to hire some civilians to contribute some energy, but unlike Li Zexuan, who has to pay both labor and cement materials!

"Haha! These efforts are definitely worth it~!"

Li Zexuan said with a smile, then looked at Uncle Fu and said, "Uncle Fu, you have also read this drawing. I wonder if there are any technical difficulties in it?"

Fu Bo thought for a while, then shook his head and said: "There is no difficulty, some of the techniques used in it are all ready-made in the workshop, if the old man can't make it out of the blueprint, then there is no place for this old face. Don't worry, young master, the workshop will make the waterwheel as soon as possible, and then you can test it right away!"

Li Zexuan nodded. With the current technical level of the workshop, it is indeed not difficult to make this waterwheel. He smiled and said: "That's good! Recently, a few people have been working hard, and the drought is like fire. Let's make the waterwheel earlier. , the people will be able to suffer one day less!"

"Young master (mountain chief) don't worry, I will definitely do my best~!"

Uncle Fu, Mo Huai, and Yan Shaoning all knew the importance and solemnly clasped their fists when they heard the words.

Li Zexuan nodded, said goodbye to everyone, and left the workshop.

…………………………

After leaving the workshop, it was already evening, and people were still watering the fields everywhere outside. In this era, water conservancy projects are far from developed as in the previous life. If a major project such as the renovation of aqueducts is not presided over by the officials of the county government , Basically, no one will do it. Those abandoned canals, under the erosion of the rain for many years, will become silted again, and it will be very troublesome to clean up. Basically, it is like digging a canal again. The amount of work is almost the same!

This is also one of the reasons why Li Zexuan insisted on renovating all the canals in Lantian County with cement!

"Yo! It's the young master~!"

Coincidentally, just after leaving the workshop, he met Hu Hanyun with a bucket.

Since Han Li was working as a "landlord" in Lanzhou, Hu Hanyun has become the new Lizheng of Hanjiazhuang. Lao Hu is a man of love and righteousness. When the world was in chaos, he fled to Hanjiazhuang with his daughter-in-law. He has helped him before, and now he is the Lizheng of Hanjiazhuang. He is even more conscientious and does not dare to slack off all day. When the family in Zhuangzi encounters a problem, he is always the first to solve it quickly. Of course, there is nothing to say.

"Uncle Hu, did you just come back from watering?"

Li Zexuan asked with a smile.

Hu Hanyun wiped his sweat and said with a grin, "Isn't it true? It's been dry recently, and a nutrient bowl has just been planted in the ground. If you don't pour some water, it is estimated that the white folds will not survive even if they germinate! This thing is precious and precious. It's on!"

Not only Lao Hu, but the people of Lantian County have been busy "watering the flowers" recently. They were watering the newly planted Fructus chinensis. This thing was bought by Li Zexuan at a huge price. No one ignored it. It can be said that this is One acre of land is worth more than the crops owned by each family. If they can get a good harvest, then basically they will not have to worry about eating and drinking throughout the year!

Li Zexuan knew it, he thought about it, and said, "Uncle Hu, tell the villagers later that the ditches in our county will be dredged soon, and then there is no need to carry water all the way to the ground. !"

Hu Hanyun widened his eyes in surprise and said, "Young master, what you said is true? Does the county want to help us clear the channels?"

Li Zexuan said with a smile: "Of course it's true! In a few days, the county government will organize the people to start the construction. If the farmers have time to spare, they will help the laborers. If they can speed up the progress, they can also get a piece of work. a salary!"

Old Hu quickly waved his hand and said, "Hey! Young master, what's not the salary? Both the vertical and the horizontal are helping us build the ditches for ourselves, we should do our part! Don't worry, don't work on your orders when the time comes. As long as the farmers have the motivation, they will go there to help, we don’t have the others, but we still have the strength!”

The ancient people were simple and honest. As long as the officials of the government were willing to organize everyone to clear the channels together, they would be willing to do it even without wages. Besides, the ordinary people in ancient times generally had corvés in their bodies. If they did these things, part of the labor could be reduced or exempted. You can also help water your own farmland, so why not do it?

Li Zexuan smiled and said: "Uncle Hu, there will be some wages, but not too much. After all, the amount of money that can be paid in advance by the county government is limited, but at least it will be able to manage the meals. Let's call those half-old children who can lift a shovel and usually eat a lot, so they can also eat a full meal after helping out, right?"

He is not using child labor. In ancient times, thirteen or fourteen years old was considered an adult, and at this time, the children of ordinary people were generally not fat, because they could not eat every meal until they hiccups. It's a good idea to take advantage of the opportunity to help you eat for a few more days!

Hu Hanyun grinned and said: "Make! Make! This makes! Those little bastards, they squat in Zhuangzi every day and don't do anything serious. Letting them help is just to hone their temperament!"

Li Zexuan smiled irrefutably, and after chatting with Hu Hanyun for a few more words, he left.

It was getting late today, so he didn't plan to go to the county town, and went back to Yunshan directly.

…………………………

Early the next morning, after Li Zexuan finished his practice and had breakfast, he went straight down the mountain and headed for the county seat of Lantian County.

In order to prepare for the big wedding, Li Zexuan gave Pang Feigen a few days of vacation, so he didn't come today, and now Li Zexuan is accompanied by two brothers, Liu Feng and Liu Yun!

Li Zexuan is now a nobleman of Wanhu, and he has to be accompanied by guards no matter what he goes out. Not to mention safety, it is also a platoon!

It is said that these two brothers are from the forbidden army. They were originally sent by Li Er to help Li Zexuan find mines and serve as personal guards by the way. However, Li Zexuan has been busy with vanadium mines, dams and drought relief recently. Therefore, the two of them were not assigned a mining task, and the two of them acted as guards temporarily.

Entering the county seat of Lantian County, Li Zexuan walked directly towards the county office. When passing another street next to the county office, Li Zexuan inadvertently caught a glimpse of a luxurious mansion with Yongan Houfu written on it. Obviously, this should be his new mansion in Lantian County!

I'm ashamed to say that, I heard the county magistrate said that the new mansion was built, but he has not had time to go in and take a look. After that, the decoration and furniture purchases in the new mansion were all managed by his father and mother. Apart from paying for it, it can be said that it did not make any contribution to this new mansion!

But from the outside, this new mansion is much more stylish than the one in Chang'an. At least the two stone lions at the entrance are very rich and powerful. Li Zexuan likes it very much!

Yunshan Bieyuan is a small building in a modern style, suitable for short-term vacations, and this mansion in Lantian County can be regarded as an official mansion, which is symbolic, symbolizing that the owner of Lantian County is the Here, so the architectural style of this mansion is an authentic Tang style architecture.

After living in Yunshan Courtyard for more than half a year, it might not be bad if you switch back to the Tang Dynasty-style mansion!

Li Zexuan pondered in his heart, after a while from the county government office, he had to go to the new house to have a look. He didn't aspire to be a wise man like Dayu, and he couldn't do such a thing without entering the house three times!

say

If this luxurious mansion was put in modern times, it would have to be sold for billions, right? But Li Zexuan spent less than 10,000 yuan to build such a luxurious mansion. Thinking about it, it feels a little dreamy!

Even so, it is estimated that some people may say that he is extravagant, but for Li Zexuan, he has earned so much money, can't he enjoy it and let his family live better? Besides, he is not the kind of person who is not benevolent for the rich. He can't count the examples of how he made the people rich with his own money!

"Master Hou, shall we go in and sit? The master and the old lady should be up by now!"

When Liu Feng saw Li Zexuan looking at the mansion in front of him for a long time, he suggested out loud.

Li Zexuan came back to his senses, shook his head and said, "The business is important, let's go to the county government first!"

After all, he urged Da Bai to walk towards the county office.

When he arrived at the county office, Li Zexuan didn't let anyone pass the information, and went directly to the Houya. The magistrate He happened to be in the Houya to review the official documents. When he saw Li Zexuan's sudden arrival, he was surprised and wondered if he had done something recently. No, that's why Li Zexuan came to ask the crime in person?

Pressing the doubts in his heart, the magistrate He hurriedly greeted him and said, "Xiaguan has seen Hou Ye!"

"Hmm~!"

Li Zexuan nodded, walked into the hall, and then he asked, "He county magistrate, the weather has been dry recently, and many crops in the fields have withered, do you know?"

The county magistrate was startled, and only then did he understand Li Zexuan's intention, he quickly cupped his hands and said, "Master Hui, the subordinate officer already knew about this matter, and the subordinate officer had already discussed a solution with the magistrate and the clerk of the yali two days ago. According to the plan, we decided to convene the villagers, dredging the ditches, and then diverting water from the dam you built. Xiaguan originally planned to go to you today to discuss the matter, but I didn’t expect you to come to the county office so soon. !"

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