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Chapter 885: How Steel Is Tempered (Part 2)

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    Bird Cao decided to ask the explosion factory for some experience. Although everyone is not familiar with it, in order to make a more refractory stove, cooperation and discussion and a lot of free prostitution are necessary things.

    Since the appearance of black powder and yellow powder, people in Hongzhou have realized that different material elements can be decomposed and combined into new things.

    Therefore, the number of employees in the explosion factory is also increasing. Although some women do not want their men to work in such a dangerous place, most of them have a heart of being a bomber.

    Moreover, the explosion factory now has excellent benefits and benefits, with special approval from the top, and can enjoy the public property.

    Niao Cao set a small goal for himself, to produce a limited edition refractory brick with a refractory performance exceeding 1,500 degrees. In fact, this temperature is difficult to exceed. In ancient times, conditions were limited and materials were scarce.  Five Baidu refractory bricksthe raw materials that can be used to make this kind of bricks are really not something that can be picked up casually.

    And this is actually related to the fuel, that is, the burning substance of the flame. No matter how the inferior burning substance is burned, the temperature cannot reach the standard, so the ancients distinguished "slow fire" and "wuhuo", which are different fuels, cow dung  The fire made from horse dung and chaff is a slow fire, and the martial fire is charcoal and coal.

    Among them, the selection of charcoal is generally oak and river wood.

    Oak wood is relatively hard, with high burning firepower, and there are many places where local materials can be obtained. Simply put, it is "cheap, easy to use, and durable", and Jiangmu is also a special kind of wood.

    Of course, when the temperature is not enough, some ancient people would do some magical operations, such as "sacrificing the furnace with their bodies"!

    It seems that there is some scientific truth in itbut this is not important.

    When Niao Cao was leaving, Guang Chengzi and Dui were still looking at the tap hole.

    The flames are burning, and the heat is rolling.

    The color of the flame at the taphole has changed from red to white.

    Gradually, it began to shine and turn white.

    The temperature rises gradually.

    A satisfied smile appeared on Guang Chengzi's face.

    However, it is a little abnormal to exchange that furnace.

    Redness, darkening.

    That is the temperature is not up to standard, it may be other things, but in short this is not a good sign.

    Dui was a little impatient. Seeing Guang Chengzi's beaming eyebrows, he couldn't help feeling angry, so he began to frown at the keyboard.

    "Come on, blow the wind!"

    "Come on, add ore!"

    "Come on, add charcoal!"

    Dui began to throw materials into it, seemingly violent, but actually he was busy and not chaotic.

    Gradually, those dark reds also began to turn bright, and he felt relieved after seeing this scene.

    ? For truly qualified steel, the premise of using the steel pouring method is to have high-quality wrought iron that has been fired, and then pour liquid pig iron on the wrought iron, and after several degrees of smelting, the iron is carburized into steel.  Because pig iron and wrought iron are "settled" together, the steel produced is called "settled iron".

    "Ironwrought iron bars are twisted and coiled, pig iron blocks are embedded between the coiled wrought iron bars, the furnace is sealed with mud and fired, and after they are smelted, they are forged again to temper them together  "

    "Without a good furnace, there will be no good iron. Without good iron, inferior wrought iron is used to pour steel. The defective products produced are worse than none."

    Dui's voice sounded, it seemed a bit of a pity that the iron he was in charge of just now had some problems because the stove was not powerful enough, of course his own technique was also a little wrong, but fortunately he corrected it in time.

    Bird Cao paused, keeping these words in his heart.

    After all, it is hard for a clever woman to cook without rice.

    This is definitely a big event that can be left in history, Niao Cao thought, but the more he thought about it, the more excited he became.

    In this era, ordinary tribes didn't even use copper ware. Their smelting technology was primitive, and the earthen furnace was not resistant to fire. It was almost a furnace of copper and soil.

    And being able to smelt copper on a large scale is already a powerful tribe, but the earthen furnace they need is not even as good as the defective products in Hongzhou.

    This kind of stove has become the most common and cheapest stove. Other tribes don't pay for it, but Hongzhou costs two yuan a piece.

    Niao Cao thought, now, all future generations will know that the most important bricks in construction and production are made by themselves.

    This can already become a sage.

    Although not all the bricks produced by ourselves can guarantee the same quality, if there are five or six bricks in a furnace??Bricks that are not right, this stove is half useless.

    However, this is still due to my lack of proficiency in technology, after all, it hasn't been long since Brick appeared.

    When Niao Cao was leaving, he heard people talking and talking outside the big ironworks. Their tone was full of emotion, but he couldn't hear it clearly.

    The two people over there looked at some situations outside the ironworks, and said as they walked:

    "In the past, things like iron were brought from the sky. The stones that flew down, now called Meteor Yeyun stones, were considered by the world to be treasures from heaven. The tribe that got Yeyun could cast iron that belonged to the king.  tools, so that they can rule the weak around them without any disadvantage."

    "But now, the things carried by Yeyun are no longer enough to be called amazing by the world. In these tall furnaces, in the raging flames, under the hammers dropped by those strong craftsmen, what was calcined  , What is hammered out is exactly what a new era needs most.¡±

    "Things that were regarded as miracles in the old era are ordinary in the new era. Maybe the future era will be like this. Then how can it be seen? How can God bestow any gods? It turns out that everything in the world exists, and it can be smelted.  Whether it is casting or chemistry, it seems that these things that already exist are discovered, then named, and finally utilized.¡±

    Niao Cao didn't hear it very clearly, but felt that two outsiders were commenting on this place, and it was more important to go to the explosion factory at this time.

    Concubine Zai came out to see him off, and Niao Cao left.

    And those two people also walked a little further.

    But their conversations are not gossip and reasoning that ordinary people can say. Due to the problems of the times, those women are not the only ones with long hair and short knowledge in this era.

    Regardless of whether it is a matrilineal society or a patrilineal society, those who have transcendent vision and sum up knowledge, and make good use of this kind of thinking, are absolutely remarkable figures in any era.

    Before they left, they saw Yan Zai, and the young man among them laughed twice. When Yan Zai entered, he asked the older man beside him:

    "That's Baikui? He doesn't look very old, is he about the same as me?"

    "That's right, but at such a young age, he is already a teacher of princes. You have strengths, but you can only teach some simple ideas. If you want to change the world, you have to be someone like him!"

    The older man said again: "Let's go, find a place to live first, I heard that if you apply for work registration here, you can get an assigned residence"

    Two people, the older one is called Empress Ji, and the younger one is called Mo Ru.

    According to legend, Empress Ji was one of Shun's teachers, and Mo Ru taught Dayu.

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