Live Wilderness Adventure

Chapter 501 Iron? steel!

Throughout the morning, Bi Fang worked hard.

Not only did he have to lengthen the chimney, he also made a blower.

The overall shape of the finished blower is like a large sealed water ladle, and the fan blades are located in the water-filled place of the water ladle.

Only the long rod where the air outlet connects to the fan blades and the bottom end are empty.

"The bottom is empty, so that when the fan is also damaged, it is convenient for us to replace the fan blades, and the blower is finally buckled on the ground, which is equivalent to using the earth as a back cover."

Bi Fang found three logs, two of which were inserted in front of the blast furnace, and one was placed horizontally on top of it, and tied with hemp rope to fix it.

Bi Fang dug a small hole in the middle of the bottom of the branches, and inserted the long rod connected to the fan, so that the long rod can be rotated freely under restraint.

"We can smear some animal oil in the pit to help lubricate it, and then we make a bowstring, which can be used to make fire with a bow drill."

Take out a hemp rope, wrap it around the long pole, and tie the head and tail to another branch. Bi Fang holds the branch and pulls it back and forth. The rope immediately drives the long pole to rotate, and the long pole drives the fan to stir the airflow.

All the airflow is confined inside the blower, ejected from the only outlet, and enters the inside of the blast furnace, and the fire is instantly raised to a higher level!

[Now the performance is performed by Erquan Yingyue, who is personally played by Boss Fang! 】

[Lao Fang must have been a skilled craftsman in ancient times! 】

【Sixty-six Dashun】

[With these skills, returning to the primitive society will definitely dominate one side, and only ten harems can be opened! 】

[The power of the ten harem? So scary! 】

[At least it must be a Vulcan priest, in charge of fire and tribal supplies. 】

【Physical Turbine】

Bi Fangyou made a curved long mouth, put it on the mouth of the bellows, and pointed it at the burning charcoal fire, and the fire snake on the top of the furnace spewed out instantly, almost half a meter high. You can feel the heat just by looking at it.

Looking down from the top of the furnace cover, the flames were too dazzling to see, definitely over a thousand degrees.

In the afternoon, after eating, Bi Fang put the previous iron ingot into a new pottery bowl, sprinkled it with plant ash, and placed it in the middle of the furnace bridge.

Success or failure depends on this time.

Chimneys over three meters high, charcoal, blowers, even the ancient iron smelting is just such a configuration.

A working iron dagger?

At this point, Bi Fang is no longer satisfied with just making an iron knife, he wants steel!

steel! ?

Bi showed his ambition to the audience.

Everyone was shocked by the reality. After smelting iron before, they saw that Bi Fang was already a god-man. Now they heard that he wanted to forge steel?

It seems that the altar is higher.

In the eyes of ordinary people, iron and steel are almost two different things, and the difficulty of forging is not the same.

Of course, I wouldn't be able to do it anyway.

"Is anyone studying engineering materials?"

Bi Fang sat on the ground, pulling the branch in his hand, blowing wind continuously.

"The iron we are most often exposed to is not industrial pure iron on the left side of the iron-carbon phase diagram, but industrial pig iron, that is, hypoeutectic white iron, with a carbon content between 2.1% and 4.3%, and 'steel' refers to are iron-carbon alloys with a carbon content between 0.02% and 2.06%.”

"We will add different alloying elements according to the needs to make alloy steel and stainless steel. Steelmaking is to make the excess carbon in pig iron react with oxygen and consume it under high temperature conditions!"

Not to mention industrial pig iron, the piece of impurities in Bi Fang's hands is so much that it can be called iron ore.

There is a piece of iron growing in the impurities.

The modern steelmaking method is to oxidize and decarburize pig iron in a liquid state to form liquid steel, which is called liquid steelmaking, and requires a high temperature of about 1600 degrees.

In ancient times, such a high temperature could not be reached, and only lower temperature processes could be adopted: such as block smelting carburizing steel, frying steel, etc.

"During the Western Han Dynasty, due to the improvement of blasting technology, the flame temperature could reach more than 1200 degrees stably, and decarburization from pig iron needs to be carried out under such high temperature conditions."

"Although I have a blast furnace, a blower, and charcoal, they are still relatively rough and cannot reach this level, but the temperature is definitely over 1,000 degrees. Therefore, I want to try making a hundred steel smelting."

Hundred steelmaking, this technology is not mysterious, it is to repeatedly heat and forge iron to remove carbon and impurities in it, and the final product is called hundred steelmaking.

The easiest way to turn iron into steel is also the most energy consuming.

"Of course, I'm not sure whether it will be successful or not. It can only depend on luck."

Even if the steel forging fails, it will not affect Bi Fang's making an iron knife. It is the process of removing impurities and obtaining good iron.

"Unfortunately, we don't have iron ore, otherwise we can try the method of frying steel."

Fried steel is an important technology invented by the Chinese.

But this technology almost made the ancient Chinese people open the plug-in, and this technology was exclusive to the Chinese people for more than a thousand years.

"The military reversal of the Huns in the Han Dynasty, in addition to smoothing out the speed gap with good horses, the more important thing is that the weapons are much better than the Huns, and steel was too advanced in that era."

The husband has five Hu soldiers and one Han soldier, what is it? Weapons are simple and blunt, and bows and crossbows are not good.

Now I heard that it is quite clever, but it is still three in one.

These are the original words of Chen Tang in "Han Shu".

It means that the reason why five Xiongnu can defeat one Han army is that the equipment is not good enough.

Not to mention copper, pig iron is slag in front of Baisteel, not to mention that according to research, the materials used in large quantities by the Xiongnu at that time were cattle and sheep bones.

How to fight this?

There is a Gundam on the opposite side!

"So many experts in the history of chemistry are very curious. We are not the first to discover iron in China. The history of using iron is nearly a thousand years later than that in the Mesopotamia, but it took only two hundred years to achieve such a great evolution. It's not clear what the underlying cause is."

[It's an alien! 】

[Huaxia is a lion in the east! 】

[Asians are really smart, at least in math]

[We are hardworking and brave! 】

"Hundred steelmaking is the practice before steel frying. It is to repeatedly heat, fold and forge iron to allow it to react with oxygen in the air and consume carbon. It can also make the structure of the steel dense, the composition uniform, and the impurities reduced, thereby improving the quality of the steel. quality."

Bi Fang changed his hand to pull the bellows, and at the same time, he used a wooden stick to stir the bright orange iron in the furnace to increase the oxygen contact.

"But pig iron may not be smelted into steel in the end. In addition to smelting technology, it also has a lot to do with the quality of the iron itself. It may contain sulfur, manganese and other elements. The same technology may work well, or it may not work. "

"So when we read stories like Ganjiang Moxie, we often see that the sword cannot be made, which may be a true reflection of ancient metallurgical technology, but the ancients would make up for it, such as punishment from heaven."

Whether it is the ancients or ordinary people in the society, they basically don't understand the difference in carbon content between iron and steel. They only know that they are used differently.

This is true of empiricism.

The audience in front of the screen also looked very knowledgeable.

[I learned it before, but I forgot all the details]

[This is a real bullfrog, dream back to the classroom]

How much steel can Bi Fang make out of this bit of iron?

The ancients also gave the answer early.

There are two arithmetic problems in the section "Weighing Weight" in the volume of "Xia Hou Yang Suan Jing" written in the Jin and Sui Dynasties.

Question 1: Now there are 6,281 catties of pig iron. If you want to smelt yellow iron, you will lose 5 taels per catty. How much yellow iron can you smelt?

Answer: 4318 catties of yellow iron and 3 taels.

Question 2: Now there are 4318 catties of yellow iron and 3 taels. If you want to smelt it into steel, you will lose 3 taels per catty. How much steel can you smelt?

Answer: Steel is 3508 catties, 8 taels, 10 baht and 5 tires.

In ancient times, 1 catty was 16 taels, and yellow iron was wrought iron.

From 6281 catties of pig iron to about 3508.5 catties of steel.

Consumed more than half.

Bi Fang had more impurities in his hands, and consumed more. When calculated, it happened to be exactly the weight of a steel dagger!

I don't know if it's fate or something, but Bi Fang, who originally thought that there would be 20 yuan cakes and a knife, was slapped in the face by reality, but it turned out that he could only get a steel knife.

Of course, not necessarily.

In the process of steelmaking, the workload is huge and the intensity of the work is so great that it is difficult for other industries to compare, right?

For this reason, Bi Fang had already prepared several stone hammers, and placed them next to each other, completely sacrificing.

If you want to do it, you must do your best.

Do it to the limit.

He lifted the furnace cover, took out the pottery bowl, put the fist-sized piece of iron on the stone slab, and Bi Fang raised the stone hammer.

The muscles of the forearms were twisted together like steel bars, and transparent sweat was squeezed out from the pores, like a stream flowing between the rocks.

The power is transmitted from the ground through the thighs to the waist, and finally reaches the bottom, falling hard!

pong!

Sparks splashed everywhere.

Dazzling flames spray out scorching light, the high temperature distorts the air, and heat waves roll out.

In the violent explosion, a piece of iron brushed against Richard's ear, raised his white hair, and spun into the wall bricks.

The explosion turned the surrounding lawn into scorched earth, and the broken water pipe sprayed water, which was quickly burned into steam by high temperature. The metal casing of the transformer exploded instantly, and a brilliant fountain of electric sparks surged up to a person's height.

Richard stood there blankly, unable to tell whether he was frightened or shocked.

Jarrett in the house ran out after hearing the news. He saw the distorted car turned into a big ball of fire, and saw Richard, who was like wood, beating up and down, and hurriedly asked what happened.

Richard couldn't remember when he was helped into the house. He opened his eyes wide and looked at the headlights that had just been installed on the ceiling.

The bright white fluorescent lights made people's eyes hurt, and the pain made people's eyes bloodshot, as if the world had turned blood red.

A young man wearing a mask rubbed his eyes, wondering if he was hallucinating, walked towards the toilet at the station, and then locked it.

There was already someone waiting for him inside, and when he saw the person who came, he handed him an old suitcase.

The young man took the suitcase with a mutter: "Can't even afford the suitcase?"

Opening the suitcase, the dazzling patterns are fascinating, young people reach out to touch, fine scales, thin leather, there is no problem.

After confirming that there is no problem, the young man put the lid on: "Why is it suddenly in stock again? Fortunately, I didn't leave."

The man who brought the suitcase smiled: "You also care about it? You can charge as much as you have agreed."

The young man twitched the corners of his mouth, knowing that he was talking too much, and didn't care, he took out his phone and swiped a few times: "Look, this number."

"One-third of the market price?" The man is not very satisfied with this figure, even if it is black goods, it can't be so low, right?

"The damage of the python skin is a bit high, or you can go to someone else, if you agree, I will transfer it, if you don't agree, you take this box away."

"Well, it's yours."

Ah, this, Richard Chapter 496 appeared. . . Why so many people don't know. . .

It's three different locations, and Richard is the next copy, this time seamlessly.

The last picture is something further on.