Chapter 1047: coal!

"Is there no news from Xiaobin~?"

Qiquge new workshop.

Li Zexuan looked at Fu Bo and asked.

Speaking of him, the owner is not responsible at all. A few days ago, after he

handed over the drawings of the iron smelting plant to Fu Bo, he basically

didn’t bother much anymore, not because he was lazy, but Changan recently.

Because of bean sprouts and spies in the house, a lot of his energy was

involved.

"Master, that kid sent a letter back two days ago, saying that he has found

the clay mine you want, Master, in Shuozhou. He should send a batch back in

these two days!"

Fubo replied with a smile.

He had previously received the news from Fubin, but wanted to report it to Li

Zexuan, but he had also heard about the recent ups and downs in Chang'an City,

so he dispelled the idea and told Li Zexuan when he was free.

Li Zexuan was overjoyed when he heard that, and secretly thanked his memory

that there was nothing wrong with it. It was just that some old classmates who

were sorry for him had digged the mines at their home more than a thousand

years in advance!

"It's just to continue the glory of the Chinese nation in the world. The

aluminum ore donated by your old classmates is very meaningful!"

Li Zexuan murmured in his heart, and then said to Fu Bo: "Well, after the

white clay mines in Shuozhou are shipped back, here will begin to burn the

kind of refractory cement I mentioned earlier with Fu Bo! 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 their composition. At this

stage, the easiest to fire is aluminate cement, which is mainly made of

bauxite and limestone as raw materials, and is calcined to obtain clinker with

calcium aluminate as the main component and about 50% alumina content. The

hydraulic cementitious material made by grinding is called refractory cement.

The refractory temperature of refractory cement is generally above 1,580

degrees Celsius, so in modern society, refractory cement is often used as a

refractory lining in certain high-temperature kilns and certain high-

temperature projects that are long-term corroded by the atmosphere and rain .

Fu Bo nodded and said, "No problem~!"

When I asked Li Zexuan to get the drawings, Li Zexuan had already told him

about the formula and production method of refractory cement. The workshop is

no longer the same as in the past, and has accumulated a lot of technology. So

Fuber felt that the refractory cement was fired. It should be no difficulty!

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 takes the time to

forge two for me!"

Uncle Fu took it suspiciously and took a glance. He understood what Li Zexuan

wanted to make. He couldn't help asking: "Master, this stove is very delicate,

especially the ventilation performance of this thing. It’s better than the

stove we’re using now! It’s just that this mold, and the things made with this

mold, are like hornet’s nest with holes everywhere? What does the master want

to use it for~?"

Li Zexuan smiled and said, "Fu Bo, how do you think of using it to shape coal

powder~?"

The coal-making mold he provided to Fubo is the modern hand-made briquette

mold with connecting rod punching. Many children in the city may not have seen

this thing, but Li Zexuan in his previous life has not only seen it, but also

used it. When he was a child, his family was poor. His father tried various

ways to make money in order to support him and his sisters to study. Needless

to say, this way of farming is needless to say. The other ways include

fishing, selling dried fish, and helping others. I went to the streets to sell

art when I was building a house or even in the slack.

When he was six years old, his father did not know where he bought two large

trucks of raw coal, the size of a football, probably just dug from a coal

mine. After that, their family began to make money by making briquettes.

He was pretty sensible at that time and would help his parents make briquettes

every day after school. Rural children are not so squeamish. The hand-made

briquettes molds are almost as tall as his height, but he also knew that his

family was poor at that time, and he might not even be able to study without

working, so even though his hands were sharpened It blistered, and he kept on

doing it.

Later, after making briquettes for two years, their family did not continue

making them because the manual efficiency was too low to make much money.

But because of that experience, Li Zexuan has an unforgettable familiarity

with hand-made briquettes molds, and he can even draw them with his eyes

closed.

This thing is simpler, it is 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 briquette mold

is quite different from the piston of the syringe in structure. Its "piston"

is composed of two parts, one part is about twelve, etc. The iron pillars of

the same diameter and height, and the other part is an iron sheet with the

same number, diameter and distribution position as the iron pillars.

The iron sheet with holes is nested on the iron post, and the push-pull

connecting rod is connected with the iron sheet. In this way, when the "slime"

is "stuffed" into the mold, the iron sheet will move upward with the

connecting rod. Moreover, due to the existence of the round iron pillars,

through holes will appear in the "slime". Finally, when the "slime" in the

mold is pushed out through the connecting rod, a honeycomb-shaped coal block

can be obtained!

The principle is really simple!

Fubo is also an expert in engineering. He frowned when he heard that, thought

about it, and finally shook his head: "The old man understands that the young

master wants to make the briquettes into a honeycomb shape, so that the coal

is easier to burn! This is true. It's a very good way! But Master, have you

ever thought that even if the coal is ground into pulverized coal, there is no

stickiness between them, and it is difficult to stick together if they stick

together~!"

Li Zexuan gave a thumbs up and exclaimed: "Fu Bo has good eyesight! Ha ha!

This coal powder does not have any stickiness as you said, but we can add some

sticky things to it to make it stick! In this way, a honeycomb-shaped coal

block can be made! Coupled with the stove on another piece of paper, Fu Bo, do

you think it will be particularly convenient for us to boil water in the

future~?"

Uncle Fu couldn't help but startled, he realized that the two drawings Li

Zexuan gave him were actually used in conjunction with each other. He thought

about it in his mind, and after a while, he said with a look of admiration:

"Master is really a talent. ! With such a fantastic idea, even if the old man

is 40 years younger, I am afraid it is not as good as in case~!"

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