Otaku Engineer in Great Tang Dynasty Chapter 1012: Blast furnace ironmaking (2 in 1)
After coming out of the palace, Li Zexuan went directly back to Yunshan. He had to quickly draw out the drawings of the equipment needed for ironmaking in these two days, because these things are not easy to make.
"Madam, I have been retreating in the study for the past two days. If there is no emergency, don't let anyone disturb me!"
Back home, Li Zexuan said to Han Yuxi.
Yunshan Courtyard is good because it is far away from the main city, usually inaccessible, very quiet, and the scenery here is beautiful, and it is a treasure place for self-cultivation!
"Yeah! But Xianggong must not be exhausted, and there is nothing short of our family now, so why bother so desperately?"
Han Yuxi obviously understands what Li Zexuan is going to do, and it is not the first time in a similar situation, so she said with a worried look.
"Haha! Don't worry, the lady, with your physique, you can’t be exhausted! Don’t believe me, wait for the mate, and then fight the lady for three hundred rounds!"
Li Zexuan smiled and squeezed Han Yuxi's pretty face, and then he was not serious.
Of course, although he said so, he still cared about his wife's in his heart.
"Manimate~!"
Han Yuxi was ashamed and angry, she stomped her feet, and said a little, but Li Zexuan had already slipped away at this time!
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"Blast furnace ironmaking, if you want to improve ironmaking efficiency, you must build a blast furnace!"
In the study, Li Zexuan muttered to himself facing a large blank sheet of paper on the book case.
In modern industry, ironmaking methods include blast furnace method, direct reduction method, smelting reduction method, plasma method, etc. Blast furnace ironmaking is the main method of ironmaking in modern society, and its output accounts for 95% of the world's total pig iron output the above.
Blast furnace ironmaking is a complicated process. The raw materials it uses are iron ore, limestone and coke. The reaction in the blast furnace is mainly divided into three parts. The first part is the process of preparing the reducing agent, the second part is the main principle of iron smelting, and the third part is the process of removing impurities and forming slag. However, the iron smelted in the blast furnace is not pure and contains a small amount of impurities, so it is called pig iron.
In ironmaking, the raw materials iron ore, coke and limestone are added into the blast furnace (ironmaking furnace) in layers according to a certain proportion, and a large amount of oxygen-enriched air heated by the hot blast furnace is blown into the blast furnace from the air inlet to burn the coke. Carbon dioxide, carbon dioxide reacts with the hot coke in the upper layer to reduce to carbon monoxide;
Carbon monoxide is added from the top of the furnace and reacts with the falling iron ore. The iron oxide is gradually reduced to liquid iron, commonly known as molten iron. After the reduced liquid iron has accumulated to a certain extent, it is released from the furnace bottom. The limestone added during ironmaking plays the role of slagging, and the purpose is to make the high melting point gangue (the main component is silica) in the iron ore react with the limestone to form calcium silicate floating on the molten iron. Slag is formed and separated from molten iron.
Actually, blast furnace ironmaking is not the patent of modern people. As early as the Song Dynasty, this ironmaking method was popular.
According to historical records, during the Yuanfeng period of the Northern Song Dynasty, the imperial court military supervisor set up blast furnaces on both sides of the Bianhe River, and the red light of ironmaking reflected the day and night. At the peak of production, the annual output of steel in North China alone reached more than 70,000 tons; you know, the British Empire only reached an annual output of 70 to 80,000 tons of steel after a full 700 years. At that time, it had already begun the industrial revolution.
This shows how powerful the Song Dynasty was at that time! It's just that there were few famous officials and sages and kings! If Li Er's team of ministers of civil and military affairs is sent to the Song Dynasty, maybe it can really create a super grand age!
"Tsk tsk, fortunately, my son, I have traveled to the Tang Dynasty. If I travel to the Song Dynasty or after the Song Dynasty, how can I use blast furnace iron to pretend to be forced?"
Li Zexuan's thoughts no longer know where he flew, just listen to him muttering to himself.
Some of the novels of later generations through yy, the protagonist traveled to the Song Dynasty and the Ming Dynasty and even made blast furnace iron making. Those are pure nonsense. If the protagonist really wants to do that, he can only pretend to be forced and be beaten. face!
Shaking his head and shaking off the mess of thoughts in his mind, Li Zexuan pondered a little and began to draw drawings. At this time, he already had a three-dimensional model of the iron-making blast furnace in his mind, and he naturally became a humanoid printer.
He intends to completely reproduce the blast furnace frequently used in modern ironworks, and then reconstruct it according to the existing conditions of Datang. This is not an easy task.
The structure of the blast furnace cannot be said to be complicated. The "Great Movement" in the late 1950s called on the people across the country to make iron and steel. Even some elementary school students, production team villagers, and grocery store salespersons formed iron making teams. , Build a blast furnace to make steel and iron.
But the structure of the blast furnace is definitely not simple. The technical level of the blast furnaces in modern China is about the same as that of the Song Dynasty. In theory, they can make iron, but the technology is not well mastered, so most of them can't be ignored. The blast furnace Li Zexuan wanted to build was not the kind of inferior product.
Generally, a complete blast furnace is composed of furnace shell, furnace throat, furnace body, furnace waist, furnace belly, hearth, furnace bottom, furnace base, furnace lining, and furnace throat guard plate. The furnace shell refers to the outermost layer of the blast furnace. Its main function is to stabilize the blast furnace and protect the furnace body from leakage;
The furnace body, blast furnace iron ore is mainly indirectly reduced in this area of the furnace body;
The throat, the top part of the blast furnace body is the throat. The shape is like a cylinder, the raw materials for ironmaking are added from the furnace throat, and the gas is discharged from the furnace throat;
The furnace throat guard plate refers to the protective plate of the furnace throat;
The furnace waist, the place with the largest diameter of the blast furnace, which connects the furnace body and the furnace belly;
The furnace belly is inverted frustum shape, which is the main area of blast furnace melting and slagging;
The hearth is used for fuel combustion, slag-iron reaction, storage and exhaust gas, which is similar to a cylindrical shape;
The furnace bottom is located at the bottom of the blast furnace. The bottom of the furnace is subjected to the static pressure of charge, **** and molten iron, and is also subjected to high temperature, mechanical and chemical erosion of 2000～4500℃;
The main function of the furnace base is to evenly distribute the weight of the blast furnace to the ground, and its shape gradually expands from top to bottom. Generally there are circles or polygons to reduce the uneven distribution of thermal stress;
Time passed bit by bit, even though Li Zexuan had the super speed of a "humanoid printer", after all the structures inside and outside a blast furnace were drawn, it was already dark.
"Boom~!"
Just as Li Zexuan was immersed in the sea of construction machinery, there were two knocks on the door, followed by another footsteps. Li Zexuan frowned first, and then stretched out again, because he was light. Listening to the footsteps, you know that Han Yuxi opened the door and came in.
Although they have been married for less than a year, the couple has already engraved everything about each other in their hearts, including the sound of footsteps.
"Msang-gong, let's eat something first! It doesn't take you too long anyway, your body is the most important thing!"
Han Yuxi put the food box on another table and said back to Li Zexuan.
Li Zexuan put away his thoughts, clapped his hands, got up and walked towards Han Yuxi.
"Hehe! Thank you lady for enjoying the rice! Hey! I didn't feel hungry, but when I smelled the scent of the meal, the gluttons in my stomach started to make trouble! The **** of cooking in the sky met the lady, it is estimated that he will bow down to the wind!" /
Li Zexuan sat down and said with a smile when Han Yuxi brought out two fragrant dishes from the food box.
"Shang Gong, don't make trouble! Eat it!"
Han Yu took a sigh of relief and said softly.
"Haha! Eat, eat! Isn't this eating? Lady, do you want to eat together?"
"No, let's eat it! My concubine has already eaten!"
Han Yuxi responded, and then turned his attention to the large drawings on the book case.
The intricate and tortuous lines on the drawing seem to have life, and outline a huge and majestic blast furnace. It may be that Li Zexuan's painting is too lifelike. Han Yuxi seems to be able to feel the terrifying heat in the furnace, which made him bear it. Can't help taking two steps back.
"Why? The lady is still interested in engineering matters?"
Li Zexuan asked with interest while chewing on the food.
"No! Concubine body just look around!"
Han Yuxi came back to her senses, she thought for a moment, and then said: "Seeing that Xianggong's drawings are so good, she was thinking that if Xianggong used this technique in painting, she would definitely not lose to Yan Shaojian ( Yan Liben, the young supervisor soon)!"
Don’t think that engineering drawings are all blunt lines without aesthetic feeling. The key is to look at the craftsmanship of the person who draws them. The engineering drawings of people with superb skills can definitely feel the beauty no less than works of art. Li Zexuan now It belongs to this kind of person.
"Well! Just leave it to Yan Shaojian and the others for painting. You and I don’t have that idle time! Although we are excellent, we can’t do everything. We have to leave a way for others~?"
Li Zexuan cocked half-jokingly.
"Punch~!"
Han Yuxi heard the words, covered her mouth and smiled: "Miangong, how can you boast about yourself? Are you ashamed?"
Li Zexuan rolled his eyes and said, "Why can you praise me, you can't praise me as a husband?"
Han Yuxi shook her head, too lazy to care. At this moment, she suddenly remembered something and said: "That's right! Xianggong! The drawings you drew last time were locked in the cabinet by your concubine, so why didn't you use them? Didn’t you forget?"
She was actually talking about the drawings of the generator that Li Zexuan drew last time.
"Don't use it for the time being! It's the New Year's Eve right away, I don't bother to toss about it for my husband! Let's have a stable and stable year!"
Li Zexuan replied.
"Hmm! I used to spend the Chinese New Year with Tie Dan and Dad. Can Xiang Gong take them over for the New Year this year?"
Speaking of the New Year, Han Yuxi’s eyes instantly glowed with a dazzling look. Although she is a woman, she is only 13 or 14 years old. She may still retain some innocence in her heart, looking forward to the excitement of the New Year. And festive.
"Hehe! What's wrong with this? As long as the lady is happy, don't say this little thing, that is, I want the moon in the sky to be picked back by my husband~!"
Li Zexuan laughed.
Speaking of reason, Han Yuxi will do that even if he doesn't say it. How can his husband and brother-in-law be the husband and wife of the New Year! Naturally, it is the two families who celebrate the New Year together.
"Hehe! The moon was bare that day, what did the concubine want to do? But the concubine, thank you for your consent!"
Han Yuxi smiled and said.
Apparently, she had looked at the moon with the telescope in the college before.
"Well, what is the reason for the family to thank you? Hiccup~! Okay, I'm done for my husband! Maid, let's go and rest first! I will go to bed later tonight!"
Li Zexuan put down the bowl and chopsticks, belched contentedly, and said.
Although the general drawing of the iron-making blast furnace has been drawn, there are still many details in it that he needs to consider one by one.
"Msang-gong, can't I paint again tomorrow? Don't worry about this time, right?"
When Han Yuxi heard it, he knew that Li Zexuan was going to "work overtime" tonight, so he persuaded him.
"Hey! Some things have to be vented. If this is vented, then it will take a long time to find it again next time! Lady, don't worry, I will take a rest when I'm sleepy, absolutely don't support it!"
Li Zexuan touched the black and soft hair of his daughter-in-law, and said softly.
Actually, with his current martial arts cultivation skills, he can handle it even without sleeping for three days and three nights!
"That's good! Ms. Gong, you have to speak up! Concubine body will not disturb you!"
Han Yuxi knew that Li Zexuan's decision could not be persuaded to come back, so he compromised.
"Hmm! Lady, go and rest!"
Li Zexuan said with a smile.
Han Yuxi nodded, and took the dinner tray and food box out of the study. The study suddenly became quiet again.
"Fire-resistant! First of all, the furnace must be fire-resistant!"
Li Zexuan looked at the structure drawing previously drawn in a daze, and after a moment he muttered to himself.
"Yes! Refractory cement! Get the refractory cement by the way! Recently I asked Fubin to go to Shuozhou quickly and get some bauxite back!"
Suddenly, Li Zexuan's eyes lit up and he said excitedly.
Shanxi Shuozhou, his former university roommate came from this city. That guy is a real family with a mine, not a coal mine, nor an iron mine~IndoMTL.com~ but a bauxite mine. Li Zexuan has a National Day holiday for one year When I went to the scene with him.
Coincidentally, his roommate boasted about the history of Shuozhou once before, saying that the name "Suozhou" had already existed in the Northern Zhou Dynasty. Although the name was changed to Mayi County in the Sui Dynasty, Li Yuan did it again in the Tang Dynasty. It has been changed back, and it can be described as a historical city.
The current Li Zexuan, relying on his memory, can even mark the detailed location of the bauxite mine of his former roommate's house on the map!
"Hey! Old classmate, I'm sorry, let me use your mine first! Shouldn't you mind?"
Li Zexuan talked to "air" like a neurotic.
Bauxite is also called high-alumina clay. The main minerals are diaspore, boehmite, gibbsite and kaolin. This stuff has high alumina content. After grinding and calcining with limestone, it is refractory Cement; directly pressed into bricks, can be fired into refractory bricks, the lowest refractory temperature can reach more than 1,500 degrees!
Actually, the small blast furnaces in the Song Dynasty are generally built directly using clay, but their life span is not long. Li Zexuan wanted to build a blast furnace closest to the type used in modern steel plants, so this modern steelmaking furnace was used The advanced refractory materials can be used naturally!
What's more, he still has a bauxite mine "left behind" by his old classmates! No need for nothing!
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