Li Wan is the girl among the twelve golden hairpins!

The things that are refreshed every day are naturally more insane than the gifts refreshed by the girls of Yinglian's twelve golden hairpins and vice hairpins!

Two light groups!

Jia Lang's finger stretched out to the first light group!

How to make steel pouring method!

next second!

In Jia Lang's mind, a large amount of information appeared, which made Jia Lang unable to hold back and shout out a sh*t! !

isn't it? ? ?

The thing that came out of the treasure chest today turned out to be something like the method of pouring steel?

After Jia Lang traveled through the Red Chamber, he once understood the current forging stage of the Red Chamber world, but now it has only just developed to the method of frying steel!

It's like when the Qing Dynasty was still using a big knife to slash people!

Jia Lang has already pressed the cruise rocket launcher to blast the enemy!

The method of pouring steel was invented by Qi Wuhuaiwen, a famous metallurgist in the Northern Qi Dynasty.

In the past, countries generally adopted the method of low-temperature smelting of wrought iron. Steel cannot be melted, iron and slag are not easily separated, and carbon cannot penetrate quickly.

After the development process of "block making method", "hundred steel making" and "steel frying method", China invented the steel filling method, which successfully solved this problem and made an epoch-making contribution to the development of the world's smelting technology.

Block refining!

This is the primitive stage of ancient smelting technology, and the smelting method used at that time is called "block smelting method".

At that time, iron smelting used charcoal as fuel, with less heat, small furnace body and poor blasting equipment, so the furnace temperature was relatively low and could not reach the smelting temperature of iron, so the smelted iron was a spongy solid block, called "" Smelting Iron".

Block iron smelting is time-consuming, soft in texture, and contains many impurities. After forging, it becomes usable wrought iron.The further development of iron and steel smelting technology to "block smelting carburized steel".

In the process of forging and smelting iron and wrought iron, people need to heat repeatedly. The iron absorbs the carbon in the charcoal, increases the carbon content, and reduces the inclusions to become steel.

This kind of steel has a compact structure and uniform carbon distribution, and is suitable for making weapons and knives.Later, it was further developed to the "Hundred Steelmaking" technology.

When people are making utensils, they consciously increase the number of folding and forging. A piece of steel often needs to be burned and beaten, repeated many times, even hundreds of times, so it is called Hundred Steelmaking.Hundred-smelting steel has more carbon content, finer structure and more uniform composition, so the quality of steel is improved, and it is mainly used to make treasure knives and swords.

This is also the reason why weapons that can be formed at a blacksmith shop need to be beaten repeatedly!

later!

Another invention of the fried steel method!

Fried steel method!

The emergence of a new steel-making technology "fried steel", which is a steel-making technology developed on the basis of pig iron smelting technology.

The basic method is to heat the pig iron into a semi-liquid and liquid state, then add iron ore powder while stirring continuously, and use the iron ore powder and oxygen in the air to remove part of the carbon in the raw 913 iron, so that the carbon content in the pig iron is reduced. Remove slag and directly obtain steel, which is the technology of frying steel.

The invention of this technology is a major breakthrough in steelmaking technology, enabling the smelting industry to provide society with a large amount of cheap, high-quality wrought iron or steel to meet the needs of production and warfare.

The appearance of fried steel has promoted the development of steelmaking technology. People use fried steel as raw material, and through repeated heating, folding and forging, they are made into high-quality steel parts.However, there are still some flaws in the frying and steel-making technology, such as the complicated process of frying steel, which is not easy to master; the steel-making is labor-intensive and time-consuming.

The method of pouring steel is a method of heating pig iron and wrought iron together, so that the first molten pig iron is poured into the voids of the loose wrought iron, so that the wrought iron increases its carbon content into steel, and at the same time separates the iron and the slag.

The steel filling method is simple to operate and easy to master.

To obtain steel with different carbon content, as long as pig iron and wrought iron are mixed in a certain proportion and smelted, they can be obtained.

This is an upgrade to ancient steel technology!

Improve the technology of steel, that is, improve the example and defense of swords and armor, you can get tough steel faster!

Two soldiers fight!

His spear stabbed into my armor and didn't hurt at all!

My spear pierced through his armor instantly! .

Chapter 101 Yield of ten thousand catties of sweet potatoes per mu

If you tell the court this method, tell the emperor!

I am afraid that the entire court will be turned upside down in an instant. This is a great achievement and an opportunity to save lives! !

The weapons used by those soldiers of the Great Zhou Dynasty!

From the point of view of the weapon made by the steel pouring method, it is as fragile as a thin piece of paper, and it can easily be called two halves!

Now, some of the well-known weapons of the Great Zhou Royal Family can be compared with them!

but!

Jia Lang thought about it for a while, but still felt that this method that can increase the strength of the force should not be told to the court and the emperor!

There is a saying live well!

Soldiers in hand will not be afraid of anything!

If I have a chance in the future, I naturally hope to organize some of my own teams. Of course, in this feudal society, no one can discover it!

If the peerless weapon that everyone is holding appears!

Jia Lang laughed!

And using this method can get more weapons faster, for example, the defensive armor of a set of armor now needs to be beaten repeatedly!

But your own steel only needs to be formed once, and its defense is stronger than what they repeatedly beat!

really!

Every time after saving the golden hairpin, the things you get are such a surprise!

Jia Lang's eyes!

Put it on the second light group, but I don't know what gift is in this light group! !

Jia Lang put it in the light group with great anticipation!

10 acres of sweet potatoes (waiting to be placed, mature!)

next second!

Jia Lang felt a mysterious force pouring into his body in an instant, and he could use this force at will to prevent it!

Jia Lang moved this force out!

I saw a green light group appeared in the world in front of me, covering a total area of ​​ten acres, as long as I had a thought!

The place where it is will be completely turned into a land full of sweet potatoes! "Amazing!" Jia Lang couldn't help saying!

Ten acres of sweet potatoes!

Jia Lang knew about the world's rice production, and the output of one mu of land is only [-] catties! !

But the yield of sweet potatoes!

The average sweet potato yield can reach [-] catties per mu, and sweet potatoes with high yield and good care can reach [-] catties per mu!

Ten thousand kilograms per mu?

What is the concept of this tm?

In other words, once only one person could be supported on one acre of land, now nearly [-] people can be supported on one acre of land! !

The perfect solution to the national food problem!

I now own ten acres of sweet potatoes, and [-] catties per mu is equivalent to [-] catties of sweet potatoes!

Jia Lang felt that he should find a place to plant these sweet potatoes as soon as possible!

and!

The most important thing is that sweet potatoes can be planted anywhere, even in the mountains!

Jia Lang can't wait to get up!

Wearing a black night-walking suit, he walked towards the Tongshun pawnshop with his glass bodhisattva in his arms!

This is the largest pawnshop in the country!

King Chung Soon's background!

The psychic treasure who pawned Jia Baoyu last time was pawned here!

It is estimated that this is the only place that can eat this glazed bodhisattva!

It just makes Jia Lang feel a little strange that until now, King Zhongshun has not revealed any information about the psychic gem in his hands! "This...this...!~~!"

When he saw the colored glass Bodhisattva that Jia Lang brought over, the shopkeeper was stunned, he couldn't believe what he saw in front of him!

God!

Such a pure glazed bodhisattva has never been seen before! "Guest officer, are you really going to sell this Glass Bodhisattva??" The shopkeeper's excited voice trembled!

Jia Lang nodded!

The shopkeeper hurriedly asked his servants to call out the boss behind him. After a while of discussion, he was willing to give Jia Lang a hundred thousand taels of silver!

Without saying a word, Jia Lang took the anonymous bank note and left!

This glazed glass was made by Jia Lang in one night, and it is not bad to be able to sell it for [-] taels of silver!

After all, building the entire Grand View Garden only cost hundreds of thousands of taels of silver!

of course!

This thing can not be too much, as the saying goes, the rare is the most expensive, if there is too much, it is worthless!

Jia Lang estimates!

King Zhongshun won't shoot this thing for a while!

When they make a move, they can make a glass bodhisattva larger than this one, and more delicate, and use the heat they made to make a profit!

Then pit a wave of King Zhongshun and the others! !

Jia Lang took a fancy to it!

It is a Qingniu Mountain not far from Jinling City!

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