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Lin Ze's design directly separates the fuel and molten iron. In this way, once Lin Ze finds a coal mine in the future, he can use coal with confidence. There is no need to deal with coal, so he can dig it out and use it directly.

Anyway, because of Lin Ze's design, coal no longer has direct contact with iron, so some harmful substances such as sulfur and phosphorus contained in coal will not be mixed into iron.

Coal is much cheaper than charcoal that needs to be fired in a kiln, so if the ironworks are expanded in the future, coal is the first choice fuel.

At this time, because the molten iron has been heated again, the surface has begun to shine with light - it is the tiny slag mixed in the molten iron.

Seeing this, Gao Yan, who was experienced, took a deep breath and directly activated the refining equipment with his right hand.

"Click...!" A start-up sound rang out, and a large disc installed on the top of the iron smelting furnace began to rotate slowly, and at the same time, it drove the three cooked iron sticks under the disc to move continuously.

Soon, these three cooked iron sticks were stirring in the iron, and the speed was kept very stable.

Seeing this, Gao Yan and Shen Lian looked at Lin Ze again, their eyes full of admiration.

Not to mention the new steelmaking method that Lin Ze has taken out, the superb use of hydraulic power is so amazing that the advanced craftsmen like Shen Lian and Gao Yan are very impressed!

They never thought that water, which is just a very common one, would have such a great effect and could provide such great power.

After formally witnessing the effect of hydraulic power, Shen Lian and Gao Yan began to vigorously develop the effect of hydraulic power. In the near future, they have really developed many hydraulic uses. Their names have left an extremely strong mark in history.

Of course, this has happened hundreds of years later.

Now Gao Yan and Shen Lian have not even achieved the entry-level hydraulic power!

................

The carbon content of the pig molten iron just refined from the blast furnace is generally about 3%. Once stirred, the remaining carbon in the molten iron directly reacts violently with the oxygen in the air at high temperatures, and then a large amount of carbon dioxide is produced, and a large amount of heat is released.

"Gugugugugu......" The iron water opened the pot directly, and bubbles kept gurgling on the surface of the iron water. At the same time, these bubbles kept pushing the slag floating on the iron water directly to the edge of the furnace and piled up.

The melting point of pig iron is about 1100-100 degrees Celsius, while the melting point of pure iron is as high as 1535 degrees.

When the remaining carbon in pig iron combines with the oxygen in the air, the carbon content in pig iron gradually decreases. Correspondingly, its melting point gradually increases, so the molten iron in the iron furnace gradually becomes thicker, from clear soup to sauce, and then from sauce to jelly... Finally, it gathers into very nice iron balls, which are quite a bit like the jelly that children like to eat.

These iron balls look a bit beautiful, but they don’t know that they will be ‘beaten’ soon.

After seeing a colloidal molten iron ball in the iron stir-frying furnace, Shen Lian was very experienced and stopped stirring directly. Then, while the workers who were waiting early, clamped the colloidal molten iron ball in the iron stir-frying furnace with special long tongs and put it under the forging hammer, and finally knocked.

A sound of 'Dingding Dingdang...' sound was heard, and the carbon elements remaining in the colloidal molten iron were directly squeezed out in the form of elemental graphite by the powerful Brother Power. Together with some fine residues inside the molten iron and iron oxide debris on the surface, it turned into a few sparks in the air due to high temperature. It looked very beautiful!

This forging is just to remove the remaining impurities in the molten iron ball. The process is actually very simple. Use pliers to clamp it under the forging hammer to hit it casually, without any special requirements.

Because the iron is soft in high temperatures, it is easy to shape. Over time, the apprentices' works have all shapes, such as discus, iron sticks, and iron balls...

The sounds of "ding ding dangdang...!" are endless. If these sounds are ordinary, they will only feel very harsh when they hear them, and even curse them directly. However, for Lin Ze, Wang Ming, Qiu Kai, these sounds are not only not harsh, but they feel that these sounds are very "beautiful"!

"It's so beautiful!" Wang Ming looked at the red iron block in front of him, and kept admiring in his mouth.

"Yes, it's really a beautiful scenery!" Qiu Kai agreed, staring straight at the red iron block in front of him, as if this iron was more tempting than a beauty.

"Yes, it's really beautiful!" Lin Ze responded.

With these steels, Lin Ze's strength has once again increased a lot.

Unlike Lin Ze and others who only have steel in their eyes, there are only the forging hammers that are constantly waving on one side.

You should know that when Gao Yan and Shen Lian used to craft iron, the process of forging and crafting iron was the most labor-intensive.

It takes strength to clamp a few dozen kilograms of iron to hold it up, and you also need to master the time.

Cooked iron is very soft and is relatively easy to beat. However, after a long time and the temperature drops, cooked iron becomes extremely hard, and at this time, it cannot be beaten at all.

Therefore, it was really fortunate that Shen Lian and Gao Yan had a hard time smelting iron before.

Now, with the help of the hydraulic forging hammer, Gao Yan and Shen Lian saved too much effort. Moreover, the quality of the cooked iron beaten by the water conservancy forging hammer is much better than the quality of Shen Lian and others before.

Therefore, Shen Lian and Gao Yan's eyes were filled with shadows of water conservancy forging hammers.

For craftsmen like them, hydraulic forging hammers are the best things!
Chapter completed!