Otaku Engineer in Great Tang Dynasty Chapter 1016: Not like sleeping!
"Master! You haven't slept for two nights? Then go and rest! Let's talk about the ironworks later!"
After finally recovering from the shock, Fu Bo "captured" the other meaning of Han Yuxi's words, and the most important meaning, he quickly said to Li Zexuan.
Li Zexuan shook his head and said: "Of course it was not completely sleepless. I had a nap in the middle! Let's not talk about this. Fu Bo, you always look at the drawings. If there is something wrong, let's discuss it together. The ironworks must Put it on the agenda as soon as possible!"
"Then...okay!"
Seeing Li Zexuan's persistence, Fubo knew that he couldn't persuade him, so he lowered his head and started looking at the drawings.
The drawings given by Li Zexuan are very particular about the order of placement, first overall, then specific. The first thing Fober saw is the overall layout of the ironworks in the future, and then the overall structure of each part. , Followed by the specific structure diagram of some key components.
As the drawings were turned page by page, a huge ironmaking factory that was different from the style of this era gradually emerged in Fuber's mind. There is still a towering iron furnace standing in the center of the factory, and pipes leading from the body of the blast furnace, like the rhizomes of old trees, are densely entrenched around them, and two large chimneys are towering into the clouds. I can't wait to insert into the cloud, and the smoke is constantly spitting toward the sky. The sound of various machines in the workshop is rumbling and rumbling!
Fu Bo was shocked. Obviously, Li Zexuan, the iron smelter, was not making a fuss. Its scale was definitely one of the best in the entire Tang Dynasty! It's just that this steelmaking method makes him feel so familiar with it?
"Master! Why does this look like a shaft furnace ironmaking?"
Fu uncle suddenly remembered and said.
China is the first country in the world to use shaft furnaces to make iron. In ancient my country, the shaft furnace was mainly used for smelting pig iron, and the iron shaft furnace was developed from the copper shaft furnace. In the late Spring and Autumn Period, a shaft furnace smelting pig iron method appeared, but this method was not completely popularized until the Northern Song Dynasty.
Shaft furnace ironmaking is an economical and effective ironmaking method. Charge from the upper side and blast from the lower part to form a relative movement of the charge falling and the gas rising. The high-temperature gas produced by combustion rises through the material layer and transfers heat to the charge. The carbon monoxide contained therein also reduces iron oxide. In this way, the thermal energy and chemical energy of combustion can be fully utilized at the same time. The charge in the lower layer is gradually reduced and even melted, and the charge in the upper layer slowly drops from the top of the furnace, and the charge is preheated to reach a higher temperature.
Blast furnace ironmaking is born out of shaft furnace ironmaking, but some structural optimizations make its ironmaking efficiency and quality far superior to shaft furnace ironmaking!
Li Zexuan smiled and said: "This is not entirely shaft furnace ironmaking, Fu Bo, if you look carefully, you should be able to tell the difference! I call this kind of ironmaking furnace a blast furnace!"
Fu Bo closed his eyes for a moment, then opened his eyes and said: "There are indeed many differences! But the old man doesn't know whether these differences are good or bad!"
Li Zexuan believes: "Of course it is good!"
Speaking, he pointed to a drawing and said: "For example, the air inlet of the blast furnace. I put it together before the last part of the furnace, and there is a space below the air inlet. The fire pool contains coal, and the air is heated to very hot and hot before entering the furnace, and it can even directly melt the iron! In this way, the ironmaking efficiency will be greatly improved!"
Air preheating is the most critical step in improving ironmaking efficiency in modern steel production. High air temperature is also one of the main technical features of modern blast furnace ironmaking.
First of all, part of the heat required for blast furnace smelting is the combustion heat released by the combustion of the fuel in the hearth, and the other part is the physical heat brought by the high-temperature hot air. The more heat the hot air brings into the blast furnace, the less fuel combustion heat is required, that is, the lower the fuel consumption. Therefore, increasing the wind temperature can significantly reduce fuel consumption and production costs.
In addition, increasing the air temperature also helps to increase the theoretical combustion temperature in front of the tuyere, so that the tuyere turning area has a higher temperature, and the hearth has sufficient heat, which is beneficial to increase the combustion rate of pulverized coal and increase the amount of coal injection. The coke ratio can be further reduced.
Therefore, air preheating is a key technology for blast furnaces to achieve large-scale coal injection operations, and it is also an extremely important technological advancement in the history of blast furnace ironmaking. In Li Zexuan's impression, at least the whole world did not master this technology before the Industrial Revolution.
Fu Bo seemed to be a little enlightened, he nodded thoughtfully, and said: "What the young master said seems quite reasonable, maybe you can give it a try!"
Li Zexuan smiled and said: "In fact, the benefits of this blast furnace are far more than this. You will gradually realize it in the future! The most urgent thing is to build this ironworks first! As for the interior of the furnace, I plan to use it. In Shuozhou...the clay ore is used for refractory materials, and we will talk about it after Xiaobin transports the soil back! Fubo, your main task now is to see what is difficult to solve in the construction of the ironworks according to this drawing. Problem?"
Li Zexuan did not intend to build the first iron-making blast furnace. The blast furnace he planned on the blueprint had an effective volume of less than a hundred cubic meters. In modern society, the largest iron-making blast furnace in the world is China Shagang Huasheng’s blast furnace has an effective volume of 5860 cubic meters ~ IndoMTL.com ~ annual output of nearly 30 million tons of steel!
So his ironworks is just a small workshop in modern times! But in ancient times, it was definitely a giant like existence!
"Um...it shouldn't be a big problem, at best it is troublesome! The old man started to call craftsmen to plan this matter as soon as possible recently. Master, please take a good rest first, and don't exhaust your body!"
Fu uncle went through the drawings again, and after a long time pondering seriously, said.
Li Zexuan finally breathed a sigh of relief. In fact, he is definitely fortunate compared to most traversers, because he has a workshop with many excellent craftsmen around him. For many new ideas, he only needs to give drawings to After drawing it, the craftsmen behind him will try their best to realize his thoughts, he himself just spends a lot of time drawing the drawings!
"Hehe! Thank you Fubo for your concern, my health is okay! But you must pay attention to your health when you are old! Don't be too tired!"
Li Zexuan smiled gently and said.
Fuber shook his head, then got up and said: "Master, don't worry about old age, my old bones are getting more and more vigorous. If I lie in bed all day long, I will lie down and get sick. Master, please rest! The Laoguhui workshop has been arranged!"
Li Zexuan quickly got up to say goodbye.
After a while, Fubo disappeared from the vision of the husband and wife, and only listened to Han Yuxi: "The grandfather hasn't been obediently going to rest, does he have to look for his concubine..."
Looking for the short notice before finishing the three words, Li Zexuan already blocked her mouth with his hands, "Hey! You! What are you talking about? Walk around! Let's go back, sleeping alone is not like sleeping! Haha!"
"Um...don't~!"
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