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Chapter 26 Youthful Qizhi (Part 1)

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    Chen Wanrong picked up the charcoal on the table again and started drawing. With just a few strokes, he drew an upright stove.  Chen Wanrong interned at a well-known domestic steel company when he was in college. He had some knowledge of modern blast furnace ironmaking and drew a similar-looking furnace based on his memory.

    Anyone who studies chemical engineering knows that chemical engineering is not just about shaking test tubes, doing experiments, and observing chemical reactions, but it also includes materials science.  Materials science is very important to the chemical industry. Most of the reagents in the laboratory are packed in glass bottles. Why is caustic soda packed in plastic bottles?  Because caustic soda reacts chemically with glass, it does not react with plastic.

    This is the importance of materials science. If there is no knowledge of materials science, it will be a big joke to use glass bottles to store caustic soda. Therefore, chemical engineering schools that have the conditions arrange as many students as possible to go to factories in different industries for internships to increase their knowledge.  The school Chen Wanrong attended is a school that has extensive connections with all walks of life. Chen Wanrong has interned in several industries.

    The Tang Dynasty steelmaking used the "steel filling method". The so-called steel filling method is to heat pig iron and wrought iron together, use the principle of low melting point of pig iron to melt it, and pour it into the gaps of the wrought iron to achieve the purpose of carburization.  Pig iron has a higher carbon content, while wrought iron has a lower carbon content and is softer, so when the two are fused, steel is obtained.

    Before the invention of the steel-filling method, steel was mainly obtained by forging pig iron, which is where the words "steel is made by a hundred times of tempering" and "a thousand times of hammering" come from.  This method is labor-consuming and time-consuming, and the output is small, thus restricting the development of productivity.

    Tao Hongjing during the Northern and Southern Dynasties made a significant contribution to the invention of the steel filling method. It was precisely because of the birth of the steel filling method that the steel production in ancient China increased sharply and the quality was greatly improved.  Therefore, the armor-wearing rate of the Tang Dynasty army was very high, as high as 60%, which was the highest rate among ancient Chinese armies.

    A Mo Dao requires fifty kilograms of high-quality steel. The Mo Dao became one of the main weapons of the Tang Dynasty army. The reason is not only the Tang Dynasty's strong national power, but also the use of a new production technology called steel filling.  , able to produce enough good steel for use.

    Zhang Deming had never seen a modern blast furnace and was confused. He touched his forehead and asked with a puzzled look on his face: "Wan Rong, what are you painting? I looked at the elephant melon, and it was a melon that stood up. This melon is quite tall.  It¡¯s weird, there¡¯s no pedicle or vine, how did this melon grow?¡±

    Chen Zairong, who has always been smart, was also confused. He blinked his bright eyes and asked in confusion: "Brother, what are you doing painting melons for?"

    In terms of appearance, it is not necessarily wrong to think of a blast furnace as an upright melon. Although this metaphor is vivid, it is a bit funny. Chen Wanrong suppressed his laughter and explained to them: "This is not a melon, this is a stove. It can be used  Come and refine the finest steel.¡±

    Zhang Deming leaned forward sharply, his forehead almost hitting Chen Wanrong's head, and asked eagerly: "Stove? What kind of furnace? Can it really make steel?"

    The container used in the steel filling method is called a cauldron, not a stove. So when Zhang Deming heard the word stove, he immediately became curious and asked a series of questions.

    "Put iron ore, coke, and limestone in the furnace. After heating, you get molten iron. When the molten iron is cooled, you can get steel. Load the iron ore from the top and release the molten iron from the outlet below. There is no need to stop and you can produce continuously." Chen Wan  Wing explained the advantages of modern blast furnace ironmaking from memory.

    The purpose of using limestone to make iron is to lower the melting point of iron. This method has been used since the Western Han Dynasty and is still used today. This is a great initiative of our ancestors.

    Zhang Deming shook his head violently, with a look of disbelief on his face: "Molten iron? What's the use of that? Molten iron is waste. It can be used to cast pig iron, but it can't be used to make steel. It's useless, it's useless! It's good.  Steel, we have to rely on this." Pointing to the hammer on the ground, it means that it still needs to be forged.

    It is precisely because the high-quality steel of the Tang Dynasty was forged with hammer after hammer that it was impossible to make plates. Without chemical equipment for plates, it cannot be made. Today I must open your eyes. Chen Wanrong is ironed.  I am prepared to teach Zhang Deming a good lesson.

    Steelmaking in the Tang Dynasty resulted in lumps of steel, which had to be forged to obtain high-quality steel.  Molten iron is used to make pig iron. Zhang Deming believed that obtaining steel from molten iron was not that difficult, it was very difficult.

    "I would rather believe in gold ingots falling from the sky than molten iron that can make steel." Zhang Deming dismissed it and shook his head like a rattle, as if he had seen the most ridiculous thing in the world.

    These words were so blunt that Chen Wanrong choked for a moment. Chen Zairong hurriedly tried to smooth things over: "Master Zhang, please let me finish what I said. My brother may have done it, and his words must make sense."

    "Brothers are jealous of the wall and resist their insults outside." Brothers are brothers, always facing themselves. Chen Zairong's words are full of praise. Hearing this, Chen Wanrong felt warm in his heart. He could have such a feeling.What a lucky little brother.

    Zhang Deming looked at Chen Wanrong and saw that Chen Wanrong was shrewd and confident. He didn't seem to be talking nonsense. He decided to listen before talking and stopped talking.

    Chen Wanrong knew his thoughts clearly. In order to strengthen his confidence, Chen Wanrong did not directly explain the art of steelmaking, but explained the principles of scientific research: "Master Zhang, you also know that the waste today may not be the same in the future."  It's useless. Not everything can be turned into treasure. It's not impossible. Paper couldn't be copied at first, it could only be used for decoration. After Cai Lun's improvement, wasn't it popularized in the world?

    "For the same reason, molten iron cannot make steel now. Maybe all steel in the future will come from molten iron. Technology is a thoughtful job. There are many things that you need to verify by yourself. You can't just listen to other people's preaching.  Only in this way can you have your own experience and insights, and understand more deeply.

    "My respected master, Master Ye, was able to improve Mo Dao to be more suitable for battlefield use. I believe that Master Ye must have used it personally, experienced life and death fights on the battlefield, and knew what kind of weapons are needed on the battlefield.

    "Only in this way can we be better than our predecessors, new technologies will be invented, and new things will appear."

    Chen Wanrong comes from a technical background and knows a lot about technical matters. This is based on experience, and friends who are technical or engaged in scientific research will agree.

    Although Zhang Deming is a country blacksmith, he is unique in being able to work under a master like Ye Tianheng. He appreciated these words very much. He banged his right hand on the table and praised loudly: "Wanrong, your words are profound."  Win my heart, win my heart deeply! Wanrong, I'm sorry, I just made a mistake! Please teach me how to make steel from molten iron."

    His words were very sincere and his attitude was very respectful. Even when he was facing Master Ye, his master, he was just like this. Chen Wanrong admired his eagerness to learn and thought that his sincere and studious attitude would be enough to impress people.  It was reasonable for Master Ye to accept him as his disciple. He smiled and said, "Master Zhang is serious. I am not very talented and have little knowledge. I dare not teach you. I just have some opinions for your reference."

    Just as Chen Wanrong thought, Zhang Deming became a disciple of Ye Tianheng, but there were some twists and turns.  Ye Tianheng is the master of the Ordnance Supervisor. He has a very high vision and does not easily accept apprentices, let alone Zhang Deming, a country blacksmith.  However, Zhang Deming had a sincere heart and knelt outside Ye's house for a whole day and night, which moved Ye Tianheng and happily accepted him as his disciple.

    Chen Wanrong told him some of the methods of modern steelmaking from memory, including furnace building, ore loading, coking, molten iron tapping, and condensation. It was really difficult to explain each process.

    As soon as he finished speaking, Chen Wanrong's throat felt dry, and he turned his head to drink water, but there was no teapot sitting in it. He only saw Zhang Deming standing like a statue, with his mouth wide open, and drool dripped down the corners of his mouth.  On the table, the boss was wet.

    "It's over? Is it over?" Zhang Deming was stunned for a while, wiped the saliva from the corner of his mouth, and asked this sentence out of the blue.

    The Tang Dynasty was a majestic and fascinating dynasty, but its technological level could not be compared with modern times.  Even if Zhang Deming knew about modern steel-making technology, it would be impossible for him to make steel in the same way as in modern times. However, modern steel-making technology must have inspired them. With the supreme wisdom of our ancestors, some unexpected changes may occur.

    This change is exactly what Chen Wanrong is looking forward to.  Improving the quality of Tang Dynasty steel is not only beneficial to Tang Dynasty, but also beneficial to himself. Hello, me, everyone is a great thing. Chen Wanrong did not hide any secrets and told everything he knew.

    Chen Wanrong can only say that he has some understanding of steelmaking, let alone proficiency, but this still made Zhang Deming listen intoxicated. Until he finished speaking, he was still not finished, so he asked this question.

    Chen Zairong didn't know much about technology. With his intelligence, he knew that what Chen Wanrong was talking about was a new world. He summed it up with his unique vision: "If what Brother said can become a reality, our current steel will not need to be hammered.  Go and forge, you can have as many as you want, what does this mean? It means that we can have as many weapons as we want, even if we cover our army with a layer of steel, it will be no problem, my God!"

    ¡°There is no need to learn all modern steelmaking technology, just learning and using coking well is enough to trigger a revolution, and the quality of steel will undergo huge changes.  Zhang Deming is indeed unique in his technique. As soon as he came back to his senses, he immediately asked: "Wan Rong, is the coal you are talking about black stone?"

    Without waiting for Chen Wanrong to confirm, he quickly entered the back room. When he came out, he had a black stone with metallic luster in his hand. He pointed at the black stone and said: "This black stone can be burned. A little bit is more effective than a piece of charcoal."  , the folks all use it for cooking. We have this thing on the mountain west of Luojiadian, and I picked up a piece when I was visiting relatives last time."

    When Chen Wanrong looked at the black stone in his hand, he actually had it ready-made. Chen Wanrong could not have imagined it, and he couldn't help but be surprised. His eyes widened as he looked at the black and shiny black stone in his hand.  (Remember the website address: www.hlnovel.com)Unexpectedly, he couldn't help but be very surprised, his eyes widened as he stared at the shiny black stone in his hand.  (Remember the website address: www.hlnovel.com
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