After an in-depth exchange last night, Yan Kejin discovered that her princess actually had a lot of interesting content hidden in her head.
As long as you don't annoy her.
"After I've been busy for a while, I'll accompany you around. Don't you want to visit the south? How about Yong County as your first stop?"
Yong County is Nanning, Xu Yin knows this.
She turned to look at him: "Aren't you busy?"
Isn’t hematite mining in full swing? Doesn't he need to keep an eye on such an important matter in person?
"So after this busy period, the princess will wait for me, right?" Yan Kejin put a piece of wine-stewed fish into her bowl and met her eyes with a smile.
Xu Yin lowered her eyes, her eyelashes trembling slightly: "Actually, I'm quite busy during this period, at least I won't be free until the spring plowing is over."
"Then we'll leave in early April."
As a result, it didn’t work out in early April.
While digging for iron ore, associated limestone deposits were discovered.
When Yan Kejin came back from the mine that day and had dinner with her, he couldn't help but sigh: "It would be great if it were all ocher. It would be a waste of a small hill."
Unfortunately, the amount of food that night was half less than usual.
When Xu Yin heard about the green and white stone that was easily broken, her heart moved: Could it be limestone?
Limestone is one of the associated minerals of iron ore.
So the next day, she followed the prince's carriage to the mine, and was happy when she recognized it as limestone.
This is good stuff!
Limestone can be used to make cement, and the calcined lime becomes slaked lime after slaking.
Hydrated lime has a wide range of uses. The most common is as a building material. It can also be used as a fungicide. The tree trunks can be coated with hydrated lime slurry to prevent insects.
Without hesitation, she spent 500 points to exchange a cement prescription with the system.
To make cement, in addition to limestone, raw materials such as clay, quartz sand and iron ore powder are also used.
Clay is relatively easy to find.
However, the quality of the clay varied. When Xu Yin mobilized his guards to dig clay at the river bank and at the foot of the hillside, they accidentally discovered a mountain made of kaolin clay.
Kaolin is white clay, which is the most versatile clay and has the best quality after being fired into porcelain.
The famous JDZ porcelain is made of kaolin.
Limestone is available, kaolin is found, and iron ore powder is readily available, so why not make cement?
It doesn't matter if you lack quartz sand. The sea is right in front of you. If it's a big deal, just use the gravel after surfing. It's available everywhere. It's also composed of silica, so it can be used.
The raw materials are readily available, so I put the shipbuilding aside for now, while Xu Yin competed with the cement in the tidied back garden.
The first time I didn't get the proportion right, the hardness of the cement I made was not strong enough, and it collapsed when the weight was applied.
It hardened too much and cracked the second time.
The third time I summarized the experience of the first two times and finally succeeded!
Xu Yin turned a cobblestone path in the back garden into a cement road.
When the cement hardened successfully the next day, she happily touched her palm and said, "Please come, Your Majesty!"
Yan Kejin often stays at the mine recently.
After the first batch of iron was smelted, it was forged and processed by the blacksmith who signed the death contract.
Some of them were beaten into sheets of iron to make farm tools, and some of them were hammered and hammered to forge a batch of weapons. The iron was cut like clay, and it was said to be superior.
He is staying at home today, and Xu Yin can't wait to share the good news about cement with him.
As soon as Yan Kejin arrived, he was led to the cement road by his own princess, with an expression full of embarrassment:
"How? I said limestone is useful, right? You still think it takes up the iron ore's nest. Use it to build roads. Do you believe it won't bump the carriage when it runs?"
Building roads is the first step, and she also wants to use it to develop Nanman's real estate industry.
With kaolin, building kilns and burning bricks and tiles is no longer a dream.
These new workshops need to recruit people. People can make money if they work. With the money they earn, they can buy bricks and tiles. By then, every household will live in brick and tile houses, which are much stronger than wooden, bamboo or adobe houses. .
There are many earthquakes in the southwest.
Although people in this era thought that the turning of the earth dragon was a punishment from heaven, they believed superstitiously that it was God who wanted to punish them, and there was no way to escape. But after all, it is a natural phenomenon. If you can resist it, why not try harder?
The further Xu Yin thought, the more ambitious she became.
Yan Kejin really didn't expect that a shovel could cut away countless pieces of limestone, and the cement made into it would be so strong and hard.
The princess said that in addition to limestone, the materials used are clay, gravel, iron ore powder, and slag that can be found everywhere in Nanman. The cost is so low that it is negligible, and road construction is indeed feasible.
"Then start from Fucheng and build the roads leading to the counties with cement. When all Nanman counties are connected to cement roads, then build a wide road that can run horse-drawn carriages on the mountain road connecting the Central Plains. The official road cannot be built here. , let’s fix it ourselves!”
Yan Kejin was so happy that the dinner was placed on the concrete path in the back garden, and lanterns were lit when it got dark.
He also asked the butler to bring him the jar of plum blossom wine brewed by Chuxue, saying that he wanted to celebrate with the princess.
Although Xu Yin was speechless, she still smiled and agreed.
In the dim twilight, the couple sipped wine, tasted delicious food, and looked forward to a bright future where concrete roads would lead to every corner of Nanman.
Xu Yin doesn't drink much, and she can get completely drunk after a glass of red wine, let alone plum blossom wine, which has a higher alcohol content than red wine.
Before the table was set down, the stamina of the wine came back. She cupped her cheeks and pouted her moist red lips, and asked Yan Kejin when he would take her on a tour around Nanman.
"I want to explore every county in the Southern Barbarians. If you don't take me there, then I will go by myself."
"Go! Once the king has arranged the matters at hand, he will accompany the princess!"
"I want to go to the beach, collect shells, eat seafood, and walk barefoot on the beach..."
"……good."
Although I don’t understand what’s so fun about walking barefoot on the beach.
"I also want to go out on a boat and catch a lot of seafood..."
"good."
"I still want to..."
"These will all come true. Now, it's time to think about me."
He picked up his beloved wife and strode back to the room.
Fortunately, after the house was completely renovated, a bedroom shared by the couple was set up, so wouldn't that be useful.
…
After King Jinnan settled the affairs at hand and wanted to take the princess on a trip, Xu Yin said that he had to wait a little longer.
There are no official roads in the Southern Barbarians, and the roads in each county were opened by the government's corvee collection. The main counties and counties do have roads, and they are relatively smooth when there are more people walking on them, but most of the roads are narrow paths. The kind where the carriage cannot run.
Since there is cement now, Xu Yin is not in a hurry to go out. She can wait until the cement road from Fucheng to Yong County is opened before going.
Before the Dragon Boat Festival, she wanted to make a compass.
There is indeed magnetite under the hematite, and the reserves are not large, but it is more than enough to make a batch of compasses.
With magnets, Xu Yin couldn't help but think of the entire solar motor.
Nanman has a developed water system. With electric motors, hydroelectric power can be easily achieved.
When electricity comes on, mining machines and road rollers that can make industrial production more convenient, as well as spinning machines and looms that improve people's livelihood are no longer just dreams.
Thinking about it, she became happy and felt a little drifting!
