Otaku Engineer in Great Tang Dynasty

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"Master, why are you here~?"

In the Qiqu Pavilion workshop, Uncle Fu saw Li Zexuan and hurriedly greeted him.

Li Zexuan stopped in his footsteps, but his eyes swept across the courtyard.

"Uncle Fu, I heard that the vanadium mines in Shu have been shipped back, so I came to see! Where are they all? How many are there?"

Uncle Fu said with a smile: "Master, the ore has been shipped to the steelmaking plant. The old man knows that the master values ​​this kind of ore, but he doesn't dare to pile it outside!"

Li Zexuan smiled and was about to speak when another person entered the workshop.

"The vanadium mine is here, where is it...hey! Chief, are you here too?"

The person who came was Wang Ji.

Vanadium is a catalyst necessary for large-scale mass production of concentrated sulfuric acid. Not only Li Zexuan is concerned, but Wang Ji has also been waiting for the vanadium mine in Shuzhong to be transported back quickly.

Li Zexuan nodded with a smile, and said, "Well! Mr. Wang, you are very fast?"

Wang Jile said, "Hey! As the head of the chemical department, this old man is of course responsible for helping the academy develop new chemical raw materials. This old man has been looking forward to this vanadium ore for a long time!"

"Master, the guards for this mine transportation are all Qiang people from Shu. They also brought two letters, saying that their Mr. Ke gave it to you!"

At this time, Uncle Fu took out two painted letters from his arms and handed them to Li Zexuan, saying.

"Mr. Ke?"

Hearing this title, Li Zexuan felt a little dazed subconsciously. After a moment of stunnedness, he came back to his senses and couldn't help but happily said, "It should be Ke Shiqing, right? Oh, it seems that this young man is in the Qiang tribe. Not bad~! They are all called Mr.

Wang Ji stroked his beard and smiled proudly: "The students of our Yanhuang Academy, wherever they go, they will be like the stars and the moon. Ke Shiqing, the old man has some impression, he is indeed a good boy who is diligent and studious~!"

This old guy looks like this now, just like some old gentlemen in modern times, when they learned that their students were promising, they were very proud in their hearts, but they were still quite reserved and restrained. Li Zexuan couldn't help but want to laugh.

"Haha! Let's go! Mr. Wang, let's take a look at the quality of these vanadium mines?"

Li Zexuan saw that Uncle Fu was secretly pouting at the "stinky" Wang Ji, and quickly dragged Wang Ji towards the steelmaking plant.

"Huh~! With so many ores, can you extract a lot of vanadium?"

Walking into the yard of the steel factory, he saw a large pile of light gray ores, large and small, under a cloth shed. At first glance, there were thousands of jins. Wang Ji's eyes widened and he couldn't bear it. Live exclaimed.

Li Zexuan walked closer, picked a piece out of the ore pile at random, took it to the front, carefully studied it for a while, and said with a smile:

"Yes! The condition is very good! Mr. Wang, this pile of vanadium titanomagnetite can produce at least 300 catties of vanadium, so much vanadium is enough to meet the workshop's recent consumption of sulfuric acid! You have been working hard recently. , let the craftsmen of the workshop transform the boiler, build a small-scale vanadium smelting workshop, and then build a sulfuric acid production workshop, and produce a batch of concentrated sulfuric acid as soon as possible, I will be of great use!"

Wang Ji responded excitedly, "Yes! Mountain Chief!"

Even if Li Zexuan didn't say it, he would take the initiative to ask Ying. After all, he finally managed to get so much vanadium-titanium magnetite. If he couldn't make it himself, he would grow hair in his heart!

"Oh! By the way! Shanchang, according to the "Chemistry" textbook, this sulfuric acid is highly corrosive and can react with iron to form ferrous sulfate and hydrogen. So what will we use to store concentrated sulfuric acid in the future?"

Wang Ji paused for a moment, then said suddenly.

Li Zexuan thought for a while and replied with a smile: "Mr. Wang, dilute sulfuric acid can dissolve iron and release hydrogen. The reaction principle is that the freely moving hydrogen ions in dilute sulfuric acid react with iron. However, when concentrated sulfuric acid contacts iron, it does not Will or rarely react.

Because the purity of concentrated sulfuric acid is very high, sulfuric acid exists in the form of covalent compounds, not ionic compounds. When the purity is high, it ionizes very few hydrogen ions, almost none, so it will not corrode iron, but will Passivation reaction occurred with iron, resulting in the formation of a dense oxide film on the surface of iron. This oxide film is very dense, preventing concentrated sulfuric acid from entering iron and continuing to react.

However, although concentrated sulfuric acid can be stored in carbon steel, the condition is preferably under normal temperature and pressure, so that the corrosion rate of carbon steel is the lowest, because hot concentrated sulfuric acid will also react with iron, in order to ensure concentrated sulfuric acid. For the safety of storage, it is necessary to choose a horizontal storage tank, and build a leak-proof wall around the storage tank.

The storage room of sulfuric acid must be strictly prohibited from smoking, because there will be a small amount of dilute acid on the surface of the concentrated sulfuric acid liquid that reacts with iron to produce hydrogen, which will explode when it encounters fire. Tarzan! I don't want any security incidents in our workshop! "

In the end, Li Zexuan's face was extremely solemn.

Even in modern times, chemical plants are the most prone to safety accidents. Either the leakage of toxic chemical products, or the explosion caused by flammable substances, no matter which one is, it will bring great harm to the surrounding people. harm!

It is precisely because of this that Li Zexuan warned Wang Ji so solemnly again and again!

Wang Ji also understood the benefits, and he solemnly said, "Don't worry, sir, this old man must put safety first, regularly train the craftsmen on safe production, and compare their monthly wages with the safety of production. Implementation is linked so that everyone

Will strictly abide by the rules of production safety! "

Li Zexuan's eyes lit up, nodded and said, "Well! Mr. Wang, you have a good idea. When you come back, you should discuss with Fubo how to implement this wage system as soon as possible. Craftsmen who comply with the regulations will be paid more, which violates the safety production regulations. Just deduct the money, and let all the craftsmen in the workshop pay attention!"

"Captain, no problem! This old man knows the severity!"

Wang Ji nodded and replied.

…………………………

After instructing Wang Ji to pay attention to safe production, Li Zexuan asked Wang Ji to produce a batch of concentrated sulfuric acid as soon as possible, because he will be making a battery next!

In addition, the catalyst used in the production of sulfuric acid, vanadium, can also be used as a catalyst for cracking petroleum in the future.

After leaving the workshop and returning to the other courtyard, Li Zexuan took out the letter that Uncle Fu gave him. On the envelopes, one said "Mountain Master personally opened" and the other "Mother mother personally opened". Li Zexuan opened the envelope. Feng Ke Shiqing's letter to himself began to read carefully.

"It has been almost a month since I left Yunshan. Shiqing misses the people and things in the academy, but Shiqing is even more grateful to the mountain chief for this opportunity to benefit the people in his hometown. Now, from Guanzhong to Shudi roads are being built;

The court also dispatched a large number of officials, with a lot of money, to support the construction of people's livelihood in Shu;

A group of merchants from Chang'an City have also opened stores in Chengdu, and they have brought many new things that the local people have never seen before. The business in Shuzhong is booming;

The mining of vanadium-titanium magnetite has enabled the local Qiang people to work in the mines to earn money, but within half a month, the wages received by each miner are almost equal to the income of the previous three or four months. !

Following your instructions, Shiqing abides by the principle of safety first, preferring to mine vanadium ore slower, but also to ensure the safety of the miners. Therefore, so far, there has never been a single casualty!

Oh, by the way, "Datang Daily" has also opened an office in Shuzhong, and now the people of Shuzhong have also become accustomed to reading newspapers every morning! The students saw in the newspaper yesterday that Shanchang had invented a new waterwheel and made the drawings public. Shiqing was proud of being a student of Shanchang!

In addition, His Royal Highness the King of Shu ordered the establishment of a branch of Yanhuang Bank in the middle of Shu. With the promotion of Gao Changshi, the people and merchants in the middle of Shu have gradually begun to accept the new currency of Tang Yuan, using copper coins. People are getting fewer and fewer!

With the help of the Sanbao brothers, the students brought Quyuan ploughs, "Datang Dictionary", bicycles, coal stoves, honeycomb coal and other things that benefit the people to the middle of Shu. business, promote business!

Today's Shuzhong is undergoing earth-shaking changes. How fortunate are the students to be able to witness the growing prosperity of their hometown and the increasingly prosperous life of the villagers! The students remembered that the mountain chief once said: "It's only on paper that it's shallow, and it's absolutely necessary to put it into practice." The students only realized the true meaning of this sentence in the process of leading the people in their hometowns to become rich!

Some things seem simple, but when they are actually done, they often encounter many unexpected difficulties. Fortunately, those difficult students have survived. Now the students have become Mr. Ke in the eyes of the people of Zhangzhou!

The mountain leader can rest assured that the student union will not be arrogant in victory, nor discouraged in defeat, and lead the people of Shuzhong to become rich.

The student Ke Shiqing paid homage, wishing Shan Chang all the best and good health! "

"Xiang Gong, what are you looking at? Are you so happy?"

Li Zexuan had just finished reading the letter and was about to sigh when Han Yuxi happened to come over and asked with a soft smile.

"Haha! It's nothing! It's a letter written by a student from the academy to my husband!"

Li Zexuan smiled, took his wife by his side, and said with a smile.

"A letter from a student? Aren't all Xianggong's students in the academy? Why do you still need to write a letter to you?"

Han Yuxi frowned her beautiful willow eyebrows and wondered.

Li Zexuan smiled and asked, "Does the lady still remember the student named Ke Shiqing who took the initiative to invite Ying to go to the middle of Shu?"

Han Yuxi frowned for a while, and said with a look, "Oh! My concubine remembered, before his mother came to Yunshan to send a letter to you!"

"Yeah! It's him! This kid is doing a good job in the middle of Shu, and he is a teacher for his husband. It's very gratifying to see~!"

Li Zexuan handed the letter to Han Yuxi and smiled.

"So it is! Why is my Dao Xianggong smiling so happily!"

Han Yuxi took the letter, swiped it aside, and said with joy, "Xianggong benefits the people of Lantian County, but Ke Shiqing is benefiting the people in his hometown. This student is very similar to you! Yanhuang Academy has produced talents, if the students of the academy can be like Ke Shiqing in the future. In the same way, use what you have learned to benefit one party, then, Xianggong will truly be full of peach and plum, and his name will last forever~!"

When Li Zexuan heard the words, his heart was inevitably agitated. He patted his wife on the shoulder and sighed: "So, Yanhuang Academy is the Tang Dynasty, our family's greatest wealth and trust! , it is better to start a school and build a government, and pass on what you have learned to thousands of disciples, and he will treat me with peach and plum all over the world, even if you are a prime minister or an emperor, you should respect me three points!"

This is what he said from the bottom of his heart!

At the beginning, the establishment of Yanhuang Academy and the dissemination of engineering science was of course for the benefit of the people all over the world and to seek a little bit of welfare for the toiling masses of this era, but at the same time, Li Zexuan founded Yanhuang Academy, also seeking for himself a trust, someone who can live in this feudal emperor era foothold, home

Make a decision, let others dare not easily move your own trust!

Only when the students of Yanhuang Academy become more and more promising, and when there are more and more promising academy students, will his reliance become more and more reliable!

The reason why the sage Confucius shines in the world and is famous for eternity, in addition to his own greatness, is that he has 3,000 disciples to spread his teachings, and he sent it to the altar in one fell swoop!

Li Zexuan knew that he couldn't be a saint like Confucius, he just wanted to get a firm trust in this feudal era, that's all!

"Xianggong, you have worked hard for this family~!"

Han Yuxi stroked Li Zexuan's forehead a little distressedly, then leaned on the latter's shoulder and said softly.

"Haha! It's not hard for my husband! In this life, I have a wife who knows me and understands me, and a mother and father who loves me and protects me so much. It's not hard for my husband!"

Li Zexuan stroked Han Yuxi's long hair and comforted him softly. After a while, he said, "Oh! Shiqing also wrote a letter to his mother, so that her husband had to send the letter to Chang'an, lady. , you pack up too, we'll go back to Lantian County in a while!"

"Hmm~! Oh, by the way, Xianggong, it seems that we can't go back today!"

Han Yuxi nodded first, then shook her head and said.

Li Zexuan suddenly wondered: "Why is this? Does the lady still have something to do in Yunshan?"

Seeing that Li Zexuan really couldn't remember what happened, Han Yuxi had no choice but to say: "Did Xianggong forget it? Tomorrow is Pang Feiji's wedding, Pang Feiji has followed him all the way, and he has been born to death several times. Even if there is no credit, there will be hard work. Marriage, the husband and the wife should go there, right?"

Li Zexuan opened his mouth and suddenly realized that Liu Feng had mentioned this to him before, but he had too many things on weekdays, and he forgot about it accidentally. At this time, he smiled a little embarrassedly: Hey! Look at my husband's memory, I almost forgot about it! Thanks to my lady for reminding me! Then we won't go back to the county town tonight, and we'll have a wedding together tomorrow~!"

"Uh-huh!"

Han Yuxi smiled sweetly and nodded.

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