Chapter 44

”Sure. Prepare the horses. "Come back, Xiao Ming exclaimed.

Graphite ore has been found, limestone ore has also been found, although the mine has not yet been established, forming a system of production, but it is still possible to mine some in advance.

However, it was only part of the mining, and Xiao Ming also spent a lot of money. All the people who mined and transported back and forth needed to pay money.

That's why Xiao Ming is so eager to cooperate with Liang Dahai this time. As long as there are a large number of slaves, mines and workshops, there will be enough manpower. Then he will select some young people from the slaves to transmit various technologies, and gradually build the industrial foundation of Qingzhou.

One master and one servant left the palace of the king of Qi and went to the equipment department. Now Xiao Ming goes to the governor's office to supervise the implementation of various decrees, and the most important thing is to go to the equipment department.

In the equipment department, Chen Qi is correcting the production line of crucible steelmaking, and the technology has been improved, but there will be deviations in the specific production practice.

During this period of time, Xiao Ming focused on Chen Qi's cultivation, and Chen Qi got the most from the technology transmission in the crystal of science and technology.

What other craftsmen master is often a specific technical step, but they can't fully master the whole process. The reason for Xiao Ming's doing this is very simple, that is, to prevent the leakage of craftsmen's technology.

It is safer for ten people to master ten parts of a set of technology than for ten people to master all the technological processes.

Moreover, the equipment department has also formulated strict technical confidentiality measures. If a person divulges secrets, the craftsmen on a production line will be punished.

is a lowly household in Dayu country, and has a very low status. In order to prevent the craftsmen from making weapons privately, these craftsmen 'domicile is made separately into a craftsman and supervised by the government.

It's a very simple thing to control these people in and out of Qingzhou.

"Your Highness, these are limestone. "There is a pile of gray stones in the backyard of the equipment department. These are limestone.

In modern times, limestone is not only a necessity for cement production, but also a necessary solvent in blast furnace ironmaking. Limestone can effectively remove sulfur and silicon impurities, improve the quality of iron, and prevent subsequent steel from embrittlement.

Xiao Ming went to have a look. These limestones were piled up into a two meter high hill. The size of the limestone is relatively large and the quality is good.

Two blast furnaces are working at the same time. Four workers use blowers to blow the blast furnace in turn. Some craftsmen pour iron ore, coke, lime stone into the blast furnace.

The red hot metal flows from one blast furnace to another, and finally the cooked iron flows to the crucibles assumed to be on one meter high shelves. When one crucible is full, the other crucible will be replaced by another.

Compared with the modern method, the efficiency of this method is still far less than 18000 Li, but compared with the previous steel pouring method, it belongs to mass production.

The formation of high-quality molten steel will be used by different craftsmen to make various things such as farm tools, machine tool parts, briquette furnace.

Chen Qi is guiding the workers to collect the slag, which Xiao Ming taught him.

Seeing Xiao Ming observing the steel-making process, he wiped the sweat on his forehead and said, "Your Highness, you said that I would collect the slag after adding limestone. Now there is a lot of slag, but what's the use? "

" this slag is a good thing. It can be used to produce a very powerful material. " Xiao Ming said with a smile.

Before Xiao Ming told Chen Qi about this knowledge, Chen Qi said curiously, "Your Highness, the slag has come out. You can tell me, or I won't be able to sleep at night."

Xiao Ming laughed twice. "In fact, besides ironmaking, this limestone can also be calcined into a kind of material - cement! Because the slag contains a lot of cement, so these slag can also be used to calcine cement, so that you can collect them so as not to waste, otherwise it is a pity to discard them. "

" cement. "Chen Qi and Qian Dafu look at each other.

Now they are not surprised at the strange words that pop up from Xiao Ming's mouth, and they don't know where the prince learned all these strange knowledge.

Xiao Ming and the two stood on one side, and the knowledge in the crystal stone of science and technology was instilled into their minds. After explaining it, they knew what cement was and what it was used for.

"Your Highness, if this cement is used to build walls and pave roads, it's not invulnerable." Chen Qi was surprised.

"No, cement is just the most basic thing. Concrete is really invulnerable. Then Xiao Ming told Chen Qi about the concept of concrete.

“……” Chen Qi can no longer describe his shock in words. He said, "Your Highness, if the walls of Dayu are all made of concrete, then the barbarians can only live outside the walls."

Xiao Ming said with a smile: "now you think a little more. Although the concrete and cement are magical, with our current production speed, it's good to meet our own needs."

Excited for a while, Chen Qi suddenly some decadent, he said: "Your Highness, now you teach me too much, but you see this equipment department, too few craftsmen, but this work has been busy, this calcination of cement, it is estimated that there are no hands."During this period, the equipment department recruited some craftsmen. The number of craftsmen in the equipment department reached 50, but it was obviously not enough. He couldn't help but feel helpless. "I'll think of a way to produce as many things as I can. "

Chen Qi nodded helplessly.

This time Xiao Ming came to check the application of limestone and graphite in ironmaking, and let Chen Qi know about cement and prepare for subsequent production.

As the saying goes, if you want to be rich, you need to build roads first. The smooth traffic can greatly promote production. But because of the characteristics of people living in cities in this era, road construction does not need to be hundreds of miles like in modern times.

The application of crucible ironmaking is mature, but now the graphite ore and limestone ore are only controlled by Xiao Ming, which means that he monopolizes the crucible steelmaking technology.

However, the shortage of labor force is still his weakness, and the current equipment department is a small fight on the whole.

Thinking of this, he could only invest more in Liang Dahai. Every year, the barbarians plundered many people from Dayu. These people became the goods traded between the barbarians and Dayu. Many smugglers were active in the slave trade between Dayu and the barbarians.

As for slaves, his first choice was naturally the people of Dayu. As for slaves outside the territory, they could only do some hard work. After all, it was difficult to communicate with each other in language.

After staying in the equipment department for a while and guiding the craftsmen on the details of steelmaking, Xiao Ming and Qian Dafu went back.

Half way, suddenly a man riding a horse suddenly came out of an alley, blocking in front of him, but it was Wang Shijie.

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