Alien Lord

"My lord, everything is ready, should we start ironmaking now?" Xu Sheng came to Lin Ze with an excited face to report.

This time the iron making was arranged by Xu Sheng, as long as it is done well, it will definitely be a great achievement.

"Well, let's start!" Lin Ze nodded indifferently.

After receiving Lin Ze's order, Xu Sheng immediately ordered to start ironmaking.

Very fast, Xia Ming had already prepared it. The leader of the blacksmith, Hu Yan, who had been interviewed and trained several times in the seed world of the plane, stood by the kiln, directing the workers and apprentices around him to run up and down.

Hu Yan is actually a master-level craftsman, and this time he was expelled by Lin Ze to take charge of the steel factory.

This iron and steel plant is an extremely important key position for Lin Ze in the future. Of course, Lin Ze must arrange for a talented person who understands ironmaking technology and is also extremely loyal and capable.

Otherwise, if such an important place is handed over to other people, even if Lin Ze is relieved, Wang Ming and the others will not be relieved.

Therefore, Hu Yan was dispatched by Lin Ze.

"Li San over there, what are you doing with such a thick stick? Can it be burned through? Saw it all off! Don't make it into such a large section, but subdivide it so that it can burn later. better."

"Hey, over there, put the twigs on the bottom, and then sprinkle some coal powder on top, so that it will be easy to burn later, and it will burn into pieces, and it will burn through!"

Hu Yan is worthy of being a professional talent, and he has interviewed and practiced several times in the plane seed world, so his command is very appropriate. Although there are some small flaws, most of them are good.

Following Hu Yan's order and command, the wood was moved into the kiln, and then, the workers immediately lit the fire at the burner on the first floor.

'boom! ! ' With a sound, the wood in the kiln on the second floor was roasted by fire, and the moisture in the wood began to evaporate continuously, mixed with some other volatiles, forming a series of obvious cold gray smoke, because the temperature was not high, it came out of the chimney After coming out, it does not rise upwards, but spreads flat along the ground. After that, as the temperature gradually increased, the coal on the first floor had been burned out, and the wood in the kiln on the second floor began to oxidize and heat up. If you have a pair of see-through eyes, you can clearly see that the wood material undergoes a thermal decomposition reaction, and its composition begins to occur. changed.

Among them, unstable components, such as hemicellulose, decompose to generate carbon dioxide, carbon monoxide and a small amount of acetic acid and other substances.

The wood itself decomposes and generates heat to push the temperature inside the kiln to the highest point. Now, it is about 400 degrees Celsius. Under such a high temperature, the wood material in the kiln undergoes rapid thermal decomposition, and there is a viscous oily stream on the surface of the wood. It was found that a large amount of acetic acid, methanol and wood tar were produced by the reaction.

If you take a closer look, you will find that there is a bubble popping up from time to time. This is flammable gases such as methane and ethylene. They burn slowly in the oxygen-deficient environment in the furnace, releasing heat and maintaining the temperature of the kiln inside.

The workers can actually leave here to do other things at this time. Anyway, everything in the kiln is normal now. Whether it is the burning of wood inside, or the smoke from the outside rushing into the inside, it is all in line with the design. There are no problems, so the wood inside will respond slowly by itself without human intervention.

However, this is the first time refining, so everyone did not leave, just stayed aside, watching, wanting to enjoy the joy of success for the first time.

However, this time must take quite a long time, because depending on the humidity and thickness of the wood inside, it takes a full 12-24 hours before the kiln is ready to be ready, so most of the waiting people finally left to rest , including Lin Ze, he will wait until the last time before coming again.

Those other people also had the same thoughts, they will only come again when Lin Ze comes again.

Time passed quickly, and the next day came soon.

At this time, Hu Yan directed his workers and apprentices to block the chimney on the top of the kiln. The chimney was originally designed to be small, and the kiln reacted in a very oxygen-deficient environment. input, so the oxidation reaction in the kiln slowly stops, and the kiln temperature begins to gradually decrease.

If you need it urgently, you can start the kiln earlier and then pour water on the fired charcoal; if you don’t need it urgently, you can wait for it to cool naturally in the kiln to below 100 degrees Celsius before starting the kiln, which will have a better effect.

In this way, the charcoal that can be used to smelt high-quality iron materials was fired. It has extremely high carbon content, low phosphorus, sulfur and other impurities, strong reducibility, and a loose and porous structure, which is better than coke in blast furnace ironmaking.

After finishing this refinement, on the open space, there is a large pile of black charcoal four or five feet high on the east side; a large pile of brown magnets with yellow spots on the west side is more than three feet high. Ore, these are crushed and qualified iron ore.

Obviously, the first iron smelting has only now entered the topic.

Hu Yan did not delay, he quickly continued to the next step, under his auspices, a blast furnace with a wide belly and gradually narrowing neck, which looks a bit like a Jing///De//Zhen//vase, in this steel factory Not far from those animal-powered institutions, the foundations of sedimentary rock platforms were erected.

That's right, all of this was indeed built by Hu Yan. Lin Ze just proposed some modification plans according to the modern iron-smelting technology.

Lin Ze is not a person with authority, nor is he a genius in science. He always has an envelope in his heart, and special things need to be done by special people.

In terms of iron making, Lin Ze only knows a little superficially, and is far inferior to people like Hu Yan. Therefore, it is better to leave these professional things to professionals like Hu Yan, so that they will not make mistakes or reduce mistakes.

To be honest, if a traveler goes back to ancient times and wants to make his first pot of gold by "inventing" the blast furnace to make iron, he will definitely die of anger in the end, because the blast furnace has been popularized in ancient times.

For example, during the Yuanfeng period of the Song Dynasty, the imperial military supervisor set up blast furnaces on both sides of the Bian River. The scale was not small, and at most it was not as modern as yours in shape. up.

According to historical records, at that time, the red light of iron smelting reflected the sun, day and night. During the peak period of production, the annual steel output in the area around Bianjing alone reached 150,000 tons;

This is 150,000 tons. You must know that the empire on which the sun never sets will not reach an annual steel output of 76,000 tons until seven hundred years later. At that time, it had already begun the initial industrial revolution.

During the entire Song Dynasty, including the early Northern Song Dynasty and the Southern Song Dynasty, the land area was small, including the unfavorable factors of production destruction during the war. Even so, the average annual steel output of 35,000-70,000 tons was actually achieved!

Especially in the later Southern Song Dynasty, the iron and steel industry in the south was extremely developed. Some large blast furnaces could smelt tens of thousands of catties of pig iron at a time (only pig iron, not steel).

Speaking of such a thing, many people will not believe it, and even doubt whether it is true. After all, it was thousands of years ago, how could there be such an "advanced" iron-making technology.

But this is true, because in fact the construction of blast furnaces is not complicated, just like a special event in the late 1950s (not a typo), calling on the people of the whole country to //big//smelt//steel.

In this special event, even some elementary school students, villagers of the production team, salespersons of non-staple food stores, and illiterates formed iron-making groups one by one to build blast furnaces to make steel and iron.

The technical level of those blast furnaces is about the same as in ancient times. In theory, iron can be smelted, but the technology is not good enough, so most of them are left alone.

But even so, these are still blast furnace iron smelting, the quality of the steel smelted is not good, most of them are wasted, but the steel is always not.

This is already considered acceptable for the situation in that era when only steel production was pursued.

Hu Yan is not messing around these days, he has also made some other preparations.

First of all, according to the information clues provided by Lin Ze, he found suitable high-alumina clay around Huangsha Town. This thing has high alumina content. After grinding and calcining limestone, it is refractory cement; It can be fired into refractory bricks at high temperature.

In fact, for the small blast furnaces designed in this era, it is not a big problem to directly use clay or red bricks to build them. The key is that Hu Yan, as a master-level craftsman, has extremely strict requirements on quality. Hu Yan hopes to do the best from the beginning to increase its service life.

So according to some information provided by Lin Ze, Hu Yan found these special high-alumina clay surfaces and used them in the lining of the blast furnace. Advanced refractories.

The blast furnace that was refined in the end truly has the model of a modern blast furnace, and even has stronger quality in certain aspects.

After all, Hu Yan is a master-level craftsman, and the methods of a craftsman are beyond the imagination of ordinary people.

The problem with the blast furnace is solved, the remaining blower is also a big problem.

When modern blast furnaces are refining, they all use special fans. In this way, the horsepower is strong and the wind speed is stable, which is very good for steelmaking. However, this is the mainland of China. Where does the electricity come from? So, where does the electricity come from? fans and such.

Even in the hands of a craftsman like Hu Yan, when crafting crafts, most of them use spells or magical weapons such as wind control, which not only consumes the true energy of the craftsman, but also requires considerable energy. Compared with modern fans, it is indeed cumbersome and troublesome.

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