Xicheng found the azurite ore very early.

The color of the azurite ore is very bright blue, and there is also a more beautiful color of malachite in it, which is very conspicuous, and some tribes in Xicheng like to grind them and process them into pigments, and bring these two ores back to Xicheng early.

So since azurite has been discovered a long time ago, why didn't Xicheng start copper smelting earlier?

Because this copper mine alone is not enough.

The hardness of pure copper is not high, it cannot be made into weapons at all, and it has little practical value for primitive people, what really has practical value is copper alloy.

For example, brass is an alloy of copper and zinc, and bronze is an alloy of copper and tin. To smelt hard bronzes, tin ore must also be found.

Fortunately, before the winter of last year, Chief Youshi finally found tin ore in the south - this kind of tin ore has obvious characteristics and has a metallic luster, Ye Xi recognized it at a glance, and happily rewarded Chief Youshi with a piece of king beast core on the spot.

Once both the copper and tin mines have been found, the copper smelting can be carried out.

Ye Xi decided to use the fire method to smelt copper, first by building a charcoal kiln.

He led his tribesmen to build five huge charcoal kilns with stones and cement in the back mountains.

These charcoal kilns are bulging like yurts, which look cute and cute, but they have a great effect. A steady stream of wood is sent to these kilns, and the charcoal is formed in large quantities as white smoke rises from the holes in the kilns.

After making charcoal, Ye Xi then built two smelting furnaces, copper smelting and tin smelting.

Pieces of copper ore and tin ore and charcoal are fed into the smelting furnace, and pieces of slag-like copper and tin are sent out.

These copper and tin blocks are mixed with impurities and need to be further purified, and because the tin has a low melting point, the purification work is relatively easy, and the melting point of copper is high, so it is somewhat difficult to melt.

Ye Xi was in trouble there for a while.

After knowing Ye Xi's difficulties, the cormorant was very enthusiastic to come to help, the cormorant flame temperature is high, and it can melt the copper, but Ye Xi knew that relying on the cormorant is not a long-term solution, so he did not hesitate to refuse it, he spent a few days designing a more scientific large furnace, and found a way to build an original version of the large blower to increase the temperature in the furnace.

In the end, the copper was also successfully purified.

The next step is to make bronze is very simple,

You only need to add tin to pure copper, let the two be fully mixed, and then you can get the bronze liquid, and then make a mold base and pour it directly with the bronze liquid.

In fact, although the above-mentioned bronze smelting process is simple, it is difficult to operate in practice.

For example, the person in charge of charcoal burning always forgets to hold his breath when taking the charcoal, causing carbon monoxide poisoning, such as the crucible in the furnace is too hot to take it out, and the problem is solved by grinding a hook-like stick with a hard stone tool.

In addition, how much tin in bronze has the highest hardness, and if other metals are added, whether the bronze will be harder, these are all questions that need to be explored.

......

Ye Xi first poured a giant mace with bronze liquid.

It was a heavy, long, sharp spike on its head, taller than a human, bronze mace, and it was difficult for ordinary people to lift it, but all the Xicheng warriors were crazy.

Because this strike weapon is so much in line with the aesthetics of primitive people!

They just like this kind of weapon of direct violence! What kind of stone sticks, stone hammers, fish bones, and sticks are all scum in front of it!

In the jealous eyes of everyone, Yong finally got this mace.

From then on, Yong gave up his original weapon and used a bronze mace instead.

When hunting, Yong picked up the bronze mace so high, slammed it against the head of the beast, and then crackled, and the skull of the beast was smashed to pieces, and even the brain inside the skull was pierced by the long thorns on the mace, and he couldn't die anymore.

When you see a fierce beast, you can give a stick to the ground, and then you see a fierce beast, and then you can give a stick to the ground, as long as the size of the beast is not particularly huge, it will be done with a stick, and it will be extremely violent.

Yong smashed it heartily and happily, and I felt that I had never been so happy.

Others were extremely envious and also wanted this bronze mace, Ye Xi announced to everyone: "Bronze smelting is not easy, a bronze mace needs to be exchanged for a barbarian beast core, or something of equal value." ”

Here we must mention the rules of Xicheng again.

The harvest obtained by the hunting team must first go to the inventory office, and all of it will be counted by a special person, and after counting and recording, half of the harvest will be returned to the hunting team, and the other half will be returned to the Xicheng City Treasury.

Ye Xi is the lord of Xicheng, and he can call this Xicheng inventory with full authority, and it is okay to say that it is his private treasury.

Of course, he can't keep all the materials for himself, some of the materials need to be distributed to the public fire kitchen staff, some of the materials to the back mountain management personnel, some of the materials to the young tower, and some to the people working in the farmland......

With such a block being distributed, the Xicheng City Treasury is not rich, and therefore, Ye Xi cannot give more generous benefits to the people who work in the city.

On the contrary, the soldiers of the hunting team are all worth a lot of money, and as soon as the storage room in the stone house is opened, there are so many skins, beasts, cores, and beast meat that they can overflow.

Therefore, Ye Xi had to find a way to enrich the city treasury of Xicheng.

Now the warriors want the bronze, they have to exchange it for the ferocious beast core......

When the bronze industry in Xicheng was in full swing, the warrior who was guarding Aori in the deep forest suddenly came to Ye Xi's residence and knelt in front of Ye Xi in shame.

"Lord Xiwu, Miss Aori, she's gone!"

Ye Xi, who was at the stone table, put down the charcoal pen in his hand, and his body froze.

The warrior did not dare to look up, and continued, "The white cocoon has not moved, but this morning it suddenly cracked, and Miss Aori came out of it...... She wanted to leave, I, I couldn't stop it, and then she tied it to a tree with silk, and it wasn't until the fighters on shift came that I was put down to report to you. ”

Ye Xi was silent for a moment and asked, "Which direction is she going?" ”

The warrior replied: "It's going north." ”

Ye Xi sighed, stood up and helped him up, and said, "It's not your fault that you can't look at her, you go down and have a good rest, you have worked hard these days." ”

The warrior's face flushed with shame.

Ye Xi didn't scold him, but made him more uncomfortable than scolding him, if he did it again, he would rather have an arm cut off by silk than break free to stop Aori.

After the warrior left, Ye Xi looked at the fat first silkworm that was half a human length in the bedroom, was silent for a long time, and finally called the Falcon chieftain over.

"Aori is gone, I don't worry about her, you send a few stronger falcons to follow her all the way, and report to me at any time if there is a situation!"

The Falcon Chief commanded: "Yes!"

Ye Xi watched the Falcon chief leave, and then returned to the stone table.

He knew that Aori was going to look for the Wormwillow Tribe, it was dangerous outside, and it would be safer to have a falcon bird to follow Aori.

As for the first silkworms...... Ye Xi wasn't sure that it would be 100% transformed into the Silkworm King, hoping that the feeling of annihilation would be even more painful, and this pain might completely destroy Aori, so he weighed it for a long time and finally decided not to tell her.

In fact, it's okay for Aori to leave, her heart is full of hatred now, and she won't be happy if she stays in Xicheng, but she can walk outside and distract herself a little.

However, although this is the truth, Ye Xi still can't help but feel gloomy when he thinks of Ah Zhi's original innocent and bright smile.

Ye Xi, who was sitting at the stone table, adjusted his mood after a while, picked up the charcoal, and continued to bury his head in composing something on the parchment scroll.

"Rustling ......"

Charcoal strokes on yellowed parchment rolls.

If you look closely, it is a majestic giant ballista.

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