Otaku Engineer in Great Tang Dynasty

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"Is there any news from Xiaobin's side~?"

Tricky Court new workshop.

Li Zexuan looked at Fu Bo and asked.

Speaking of which, he, the owner, is not responsible at all. A few days ago, after he handed over the drawings of the ironworks to Uncle Fu, he basically didn't ask any more questions. There, because of the bean sprouts and the spies in the house, a large part of his energy was involved.

"Master, that boy sent a letter back two days ago, saying that the white clay mine you want has been found in Shuozhou, and he should send a batch back in the next two days!"

Faber replied with a smile.

He had previously received the news from Fu Bin, but he wanted to tell Li Zexuan, but he had also heard about the recent ups and downs in Chang'an City, so he dismissed the idea and thought about telling Li Zexuan when he was free.

Li Zexuan was overjoyed when he heard the words, secretly glad that his memory was not wrong, but he was a little sorry for his old classmates, and he dug the mines in his family more than a thousand years in advance!

"It's just to continue the glory of the Chinese nation in the world. The aluminum mine donated by your old classmates is very meaningful!"

Li Zexuan murmured in his heart, and then said to Uncle Fu: "Well, after the white clay mine in Shuozhou is transported back, we will start firing the refractory cement I mentioned to Uncle Fu earlier! What's the problem? , send someone to call me at any time!"

The so-called refractory cement can be divided into aluminate refractory cement, low calcium aluminate refractory cement, calcium magnesium aluminate cement and dolomite refractory cement according to different compositions. Aluminate cement is the easiest to fire at this stage. It mainly uses bauxite and limestone as raw materials, and is calcined to obtain clinker with calcium aluminate as the main component and alumina content of about 50%. Grinding into hydraulic cementitious material is refractory cement.

The refractory temperature of refractory cement is generally above 1,580 degrees Celsius, so in modern society, refractory cement is often used in some high-temperature kilns as refractory linings and some high-temperature projects that are eroded by the atmosphere and rain for a long time. .

Uncle Fu nodded and replied, "No problem~!"

When he asked Li Zexuan to get the blueprint, Li Zexuan had already told him the formula and production method of refractory cement. The workshop is now different from the past, and has accumulated a lot of technology, so Fubo felt that the refractory cement was fired. It shouldn't be difficult!

Li Zexuan took out two drawings from his arms, handed them to Fu Bo, and said: "Fu Bo, I want to make two things recently, one is a stove, and the other is a mold. The structure is not very complicated. The craftsman can take the time to help me forge two of them!"

Uncle Fu took it suspiciously, glanced at it, and he understood what Li Zexuan was going to build. It's better than the stove we use now! It's just this mold, isn't the thing made with this mold full of holes like a hornet's nest? What exactly does the young master want to use it for~?"

Li Zexuan smiled and said, "Uncle Fu, what do you think of using it to shape coal powder~?"

The coal-making mold he provided to Fubo is the modern connecting rod stamping type manual briquettes mold. Many children in the city may not have seen this thing, but Li Zexuan in his previous life not only saw it, but also used it. When he was young, his family was poor. In order to support him and his sisters to study, his father tried all kinds of ways to make money. Needless to say, the way of farming, the other ways include fishing, selling dried fish, and helping others. When building a house, and even in slack farming, he even went to the street to sell art.

When he was six years old, his father bought two truckloads of raw coal lumps from some unknown source, football-sized lumps, probably just dug out of a coal mine. After that, their family began to make money by making briquettes.

He was quite sensible at that time, and every day after school, he would help his parents make honeycomb. The baby in the countryside is not so squeamish. The handmade briquettes molds are almost catching up with his height, but he also knew at that time that his family was poor, and if he didn't work, he might not even be able to study, so even though his hands were sharpened. Blistering, he still insisted on doing it.

Later, after making honeycomb for two years, their family stopped making it because the efficiency of manual work was too low and they could not earn much money.

But it is precisely because of that experience that Li Zexuan has an unforgettable familiarity with handmade briquettes molds, and he can even draw them with his eyes closed.

This thing is simpler. It is a bit similar to the principle of a syringe without a needle. The ground coal is mixed with yellow mud and "stuffed" into the mold, compacted, and then pushed out by the "piston" and dried to form.

It's just that the "piston" at the end of the push rod of the briquettes mold is very different in structure from the piston of the syringe. Its "piston" is composed of two parts, one is about twelve iron pillars of equal diameter and height, and the other is an iron sheet with the same number, diameter and distribution position as the iron pillars.

The iron piece with holes is nested on the iron column, and the push-pull connecting rod is connected with the iron piece. In this way, when the "slime" is "plugged" into the mold, the iron piece will move upwards with the connecting rod. Moreover, due to the existence of circular iron pillars, through holes will appear in the "slime", and finally, when the "slime" in the mold is pushed out through the connecting rod, the honeycomb-shaped coal can be obtained!

The principle is really simple!

Fubo is also an expert in engineering. He frowned when he heard the words, thought about it, and finally shook his head: "I understand that the young master wants to make the shape of the briquettes into a honeycomb shape, so as to make the briquettes easier to burn! This is indeed true. It's a great way!

Did the young master ever think that even if the coal blocks are ground into coal powder, they are not sticky to each other, and it is difficult to stick together~! "

Li Zexuan gave a thumbs up and said in admiration, "Beautiful Fu has good eyesight! Haha! This pulverized coal is indeed as you said, without any stickiness, but we can add some sticky things to it to make it stick together! In this way, a honeycomb-shaped coal block can be made! Combined with the stove on the other sheet of paper, Fubo, do you think it will be particularly convenient for us to boil water in the future~?"

Uncle Fu couldn't help but stunned, he realized that the two blueprints Li Zexuan handed him were actually used in conjunction with each other, he thought about it in his mind, and after a while, he said with admiration: "Young master is really a great talent. Such a whimsical idea, even if the old man is forty years younger, I am afraid it is not as good as in case~!"

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