Carry a Ride-and-slash System with You

: Sixty-three, suddenly realized

[Foreword Anti-Bar: Human memory is messy, if you don't remember it doesn't mean your brain doesn't remember it. 】

The new material was quickly recognized by Gaudí. It is easy to use, and the curing process is also fast. When the workers responsible for building the city wall quickly mastered the use of cement, the construction speed of the city wall was faster. Because of the need to constantly check the adhesion of the bricks, the construction speed can not be accelerated, but now after using the cement, you only need to fix it with a wooden block, and then you can directly repair the next section, and the speed suddenly soars.

He learned from Gaudi that the use of cement made the construction of the city wall faster, and Geralt also smiled contentedly. Although the quality of the cement was not as good as that of the previous life, it was much better than the bonding materials in this world.

However, it is not a long-term solution to use brick kilns to make cement all the time. Besides, the pollution of cement production is also large. Although nothing can be seen in a short time, Geralt moved the planned cement workshop to a mountain for a long-term solution. on the other side.

"For the time being, let's use a brick kiln for firing, and then start building a cement workshop when the city wall is completed."

"However, what else should be added to the cement? Why do I always feel that I have added something less?"

"And steel, as long as I learn a little more knowledge, I won't be troubled by this problem. After thinking about it, the principle of iron making steel is to squeeze out the carbon element in the iron, and it all melts. Hot metal, how can it still be iron after cooling?"

When the book ran out, Geralt, who hated little, fell asleep on the soft bed with all kinds of problems. In the dream, the high school physics teacher was teaching a class on the desk. He smashed Geralt to wake up with a piece of chalk, and scolded him angrily. Said: "Xia Yu! You sleep as soon as you start class, what can you do in the future! Come up! Talk about what happened in the process of converting iron into steel!"

Geralt, who was still stunned, didn't know why for a while. In his heart, there was only fear for the teacher, and he cast his eyes on the classmates in the audience like a cry for help.

A female classmate whispered quietly, "The content of carbon."

Geralt looked at the female classmate as if he was saved, but just to see how the female classmate looked more and more like Sissi?

Geralt, who was still confused, asked stupidly, "Cissy, are you coming to class too? Hehe."

"Xia Yu! If you can't answer the question, you dare to whisper! I think you don't want to read anymore. Let your parents come over tomorrow!"

The roar of the physics teacher came from behind Geralt. For a while, the fear of inviting parents filled Geralt's brain, and he sat up from the bed in a hurry: "Don't ask parents, teacher, I know the answer, carbon. The content of the elements, teacher."

Panting heavily, Geralt looked around.

"???? Where's the teacher?"

"Huh, it's dangerous, it's a dream." Geralt patted his chest and lay back again.

"It's scary. I'm already a lord, why am I so afraid of teacher? The carbon content, teacher, haha."

Thinking of the words he shouted when he was surprised, Geralt laughed himself, but just smiled...

"Carbon content! I know! Haha, it's the carbon content!"

Geralt rolled on the bed laughing.

"Thank you teacher, they are all in different worlds and are still teaching themselves."

Muttering words of thanks to the teacher, Geralt gradually fell asleep with this gratitude.

The next morning, the first thing Geralt did after waking up was to go to the blast furnace, and said to the two master blacksmiths who got up early in the morning to study: "Asoka, try to melt molten iron. Try adding toner in it."

The two master blacksmiths obeyed and began to experiment. After the iron in the blast furnace melted and dripped into the crucible, Ahsoka sprinkled a handful of carbon powder into the large crucible, stirred it with a tool for a while, and continued to put it in the blast furnace After heating, when the time was almost up, Ahsoka took out the crucible with a tool and poured it into the mold.

Waiting for the molten iron in the mold to cool, Aiden went ahead and tested it.

"Sir, the toner is indeed effective. The molten iron produced this time is better than all the previous irons. It's just that, my lord, this is still iron."

Aiden spoke to Geralt in surprise, but it fell silent again in the second half.

"It's alright, just continue the experiment and control the amount of toner."

Geralt was not discouraged and encouraged the two master blacksmiths to continue their experiments.

"As ordered, my lord." The two master blacksmiths regrouped and continued to experiment.

The direction has been found, and Geralt did not stay long and left here.

The blast furnace steelmaking was not on the agenda for a while, so Geralt went to the water forging waterwheel to see the output of the hundred refining method.

When I came to the water forging waterwheel, the percussion sound of Dangdangdang was going on rhythmically. The results of the Hundred Refinement Method were not bad. Steel was produced every day. Although it was a little less, it was still very stable.

The apprentices have already started to learn to forge. The steel Geralt and the two master blacksmiths are not willing to let them use it, so the apprentices use ordinary iron for forging. The apprentices here create a long knife with a handle, and then I sent it to some other apprentices to sharpen the blade~www.wuxiahere.com~ Sparks flew from the grinder. Geralt took a long knife from the apprentice and checked it out. He found that it was not bad. He encouraged the apprentice a few words, and then The apprentice was seen removing a wooden box from the mill, which was full of black powder.

Geralt asked curiously, "What are these?"

The apprentice replied respectfully, "It's the iron powder left by the blade, my lord. After collecting more iron powder, it can be smelted and turned into farm tools in turn."

"Oh, so it's iron..."

"Iron powder!"

Seeing the iron powder, Geralt's mind seemed to flash a light. If he remembered correctly, the cement refining also seemed to include the iron powder ratio.

Geralt asked the apprentice, "Do you still have these iron powders?"

The apprentice replied: "Some adults, the iron powder collected recently has not been smelted, and it is all there."

The apprentice pointed to a large wooden box in the corner of the blacksmith's shop. Geralt stepped forward and opened it. It was full of black iron powder and said, "I don't need to smelt the iron powder after collecting it. I'll be useful."

"Understood, sir." The apprentice nodded to show his understanding.

Geralt called a few soldiers over and carried the wooden box containing the iron powder to the brick kiln.

He stepped forward and said to the person in charge of the brick kiln: "The next batch of cement is made with some iron powder, and I'll have someone move it for you."

"As your lord." The person in charge nodded yes.

Geralt continued to instruct: "Divide the raw materials for making cement into different areas, and add iron powder with different contents, ranging from 1% to 50%!"

"Understood, my lord."

The person in charge of the brick kiln took the order and asked someone to bring the wooden box containing iron powder to the batching area.

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