Live Wilderness Adventure

All morning, Bi Fang worked in full swing.

Not only did he lengthen the chimney, but he also had to make a blower.

The final finished blower looks like a large sealed water scoop, and the fan blade is in the water-filled place of the scoop.

Only the long rod where the air outlet and the fan blade are connected, and the bottom is 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 ground to make a back cover."

Bi Fang found three pieces of wood, two of them were inserted in front of the blast furnace, one was placed horizontally on top of it, and they were tied with hemp ropes.

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

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

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, and it is ejected from the only outlet into the blast furnace, and the fire is instantly higher!

[Now the performance is Erquan Yingyue played by Boss Fang himself! 】

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

【Six and Six Great Shun】

[With these skills, if you return to the primitive society, you will definitely dominate one side, and you can only open ten harems! 】

[The power of ten harems? Terrible! 】

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

【Physical Turbine】

Bi Fangyou made a long curved mouth, which was placed on the mouth of the bellows, aiming at the burning charcoal fire. You can feel the heat in it.

Looking down from the top of the furnace cover, the fire was so dazzling that it was impossible to see, it was definitely more than a thousand degrees.

In the afternoon, after eating, Bi Fang put the iron ingots in a new pottery bowl, sprinkled with ash, and placed them in the middle of the furnace bridge. .

Success or failure depends on this time.

More than three meters high chimneys, charcoal, blowers, even the ancients made iron are nothing but such configurations.

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 ambitions to the audience.

Everyone was shocked by reality. After the iron was made before, they saw that Bi Fang was like a god. 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 things, and the difficulty of forging is not the same.

Of course, he wouldn't be it anyway.

"Anyone studying engineering materials?"

Bi Fang sat on the ground, pulled the branches in his hands, and kept blowing wind.

"The iron we most often come into contact with is not industrial pure iron on the left side of the iron-carbon phase diagram, but industrial pig iron, hypoeutectic white iron, which has 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 to make alloy steel and stainless steel according to needs. Therefore, steelmaking is to consume excess carbon in pig iron by reacting with oxygen under high temperature conditions!"

Not to mention industrial pig iron, the impurities in Bi Fang's hand are so many that it is not an exaggeration to say that it is iron ore.

There are lumps of iron in the impurities.

Modern steelmaking methods are all about oxidizing and decarburizing pig iron in liquid state to form molten steel, called liquid steelmaking, which 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 carburized steel, frying steel, etc.

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

"Although I have all the blast furnaces, blowers, and charcoal, they are relatively rough and cannot reach this level, but the temperature is definitely over a thousand degrees, so I want to try making Hundred Steel."

The technology of steelmaking is not mysterious. It is to heat and forge iron repeatedly to remove carbon and impurities. The final product is called steelmaking.

The simplest method of turning iron into steel is also the most physically consuming.

"Of course, I'm not sure if it can be successful, it just depends on luck."

Even if the forging of steel fails, it will not affect Bi Fang's production of an iron knife. It is a 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 Chinese people.

But this technology almost made the ancient Chinese people open plug-ins, and this technology was exclusively owned by the Chinese people for more than a thousand years.

"In the military reversal of the Han Dynasty against the Xiongnu, in addition to the good horses that smoothed the speed gap, the more important thing is that the weapons are much better than the Xiongnu, and the steel was too advanced in that era."

Hu soldiers five and Han soldiers one, who? The blade is blunt, and the bow and crossbow are unfavorable.

Today, I hear it quite a bit of Han Qiao, but it is still three and one.

This is the original words of Chen Tang in the Book of Han.

It means that the only reason why five Huns can beat one Han army is that they are not equipped enough.

Not to mention copper, pig iron is **** in front of steelmaking, not to mention that according to research, the material used by the Huns at that time was cattle and sheep bones.

How to fight this?

Gu Qi

There is a Gundam on the opposite side!

"So many research experts in the history of chemistry are very curious. We are not the first to discover iron in China. The history of iron use is nearly a thousand years later than that of the Mesopotamia, but it only took two hundred years to have such a big evolution. The underlying cause is unclear."

【It's an alien! 】

[Huaxia is a lion in the east! 】

[Asian people are really smart, at least in mathematics]

【We are hardworking and brave! 】

"Steelmaking is the practice before frying steel, which is to repeatedly heat, fold and forge the iron, let it react with the oxygen in the air, consume carbon, and also make the steel denser, uniform in composition, and less impurities, thereby improving the steel's quality. quality."

Bi Fang changed his hand and pulled the bellows, while stirring the bright orange iron block in the furnace with a wooden stick to increase the oxygen contact.

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

"So when we look at stories like Mo Xie, the governess, we often see that the sword cannot be cast. Perhaps it is a true reflection of the ancient metallurgical technology, but the ancients will make up for this, such as punishment from God."

Whether it is the ancients or the 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.

Empiricism is the same.

The audience in front of the screen also looked like they had greatly increased their knowledge.

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

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

How much steel can Bi Fang's iron make?

The ancients also gave the answer early.

There are two arithmetic problems in the section "Weighing the Light and Heavy" in the "Xiahou Yang Suanjing" volume written by Jin and Sui.

The first question: There are 6281 catties of pig iron. To make pyrite, the loss is 5 taels per catty. How much pyrite can be made?

Answer: Yellow iron is 4318 catties and 3 taels.

The second question: There are 4,318 jin and 3 taels of yellow iron. It needs to be smelted into steel. The loss is 3 taels per jin. How much steel can be made?

Answer: Steel 3508 catties 8 taels 10 baht 5 tired.

In ancient times, 1 jin 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 has more impurities in his hand, and consumes more. After all, it is exactly the weight of a steel dagger!

I don't know if it was fate or what. Bi Fang, who originally thought that twenty pieces of cake and a knife were slapped in the face by reality, turned out to be only a steel knife.

Of course, not necessarily.

In the process of steelmaking, the workload is huge and the work intensity is huge. I am afraid that it is difficult to compare with other industries, right?

To this end, Bi Fang had already prepared several stone hammers and placed them next to them, completely fighting it out.

To do, we must do the best.

to the limit.

He lifted the lid of the furnace, took out the pottery bowl, and placed the iron block, which had turned into a fist-sized piece, on the stone slab, and Bi Fang raised the stone hammer.

The muscles of the forearm were roped together like steel bars, and the transparent sweat was squeezed out of the pores, like a stream flowing among the rocks.

The power is transmitted from the ground through the thighs to the waist, and finally arrives and falls down!

pong!

Mars sputters everywhere.

The dazzling flames sprayed scorching rays of light, the high temperature distorted the air, and the heat wave rolled out.

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

The explosion turned the surrounding lawn into scorched earth, and the broken water pipe sprayed water, which was quickly burned into steam by the high temperature.

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

When Jarrett heard the news, he ran out of the house. He saw the twisted car turned into a big fireball, and also saw Richard, who looked like a wood. He beat 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 just installed on the ceiling.

The bright white fluorescent lamps dazzled people's eyes, and the pain made people's eyes full of bloodshots, 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 ~www.readwn.com~ and then locked it.

Someone was already waiting for him inside, and when he saw the visitor, he handed him an old suitcase.

The young man muttered and took the suitcase: "Can't you afford the suitcase?"

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

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

The man who brought the box smiled: "You also care about it? You charge as much as you have, you agreed at the beginning."

The young man twitched the corners of his mouth. Knowing that he was talking too much, he didn't care. He took out his mobile 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 a black product, it will not be so low, right?

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

"Okay, it's yours now."