Super Chief

　　Ironware is a treasure to the people of the Gaoshu tribe, the same treasure as horses. Whether it’s an iron pan, a shovel, a shovel, or a small amount of knives, even these ironware are made of poor quality pig iron, but for the North American Indians who don’t know how to smelt metals, these are much harder than stones and bones. The ironware is simply a gift from the gods.

　　 Horses and ironware are the most important goods that North American Indians traded with those Wasichus. The colonists from Europe don't even need to pay for it. They only need to buy some unnecessary iron junk in Europe, and then they can exchange it for precious and gorgeous fur with the local Indians in North America.

　　As the aboriginal people living in the easternmost part of the North American continent, the Gaoshu tribe has been in contact with the Vasicchus more than a hundred years ago, so there are still some iron tools in the tribe.

　　 However, there are no two or three iron tools like shovels and hoes in the entire tribe, so most people in the tribe use stone shovels and stone hoes to work, and some people start to live in mud. Other tribes who did not dig pits were sent by stone bears to pull coal and limestone, kaolin and iron ore.

　　 Almost all the people in the tribe were dispatched. Needless to say, the sturdy men, the women of the same size, did the same job as those men. Older people took the children to serve as a transport brigade, and they would use the few cars in the village to pull those things.

　　The people of the Gaoshu tribe live in wooden houses, so there are carpenters with high skills in the tribe. Especially after contacting the Vasichus, these carpenters exchanged furs for a complete set of woodworking tools from the Vasichus, which greatly improved their carpentry skills.

　　 Several carpenters in the tribe got together, and according to the plan that Shi Xiong said before, began to figure out how to make the "bellows" that Master Guardian said.

　　 "Why are you digging such a big pit?" Kabulu asked curiously, standing beside the stone bear, her eyes always wandering between the clansmen in the living mud and the clansmen who dig the pit. The leader of the tribe, Li Lei, sat aside, watching the scene in front of him with interest.

　　 For them, everything that happened before them was something they had never seen before, and curiosity was inevitable.

　　 Li Lei also pricked his ears, and he also wanted to hear why the guardian asked the tribe to do these tasks.

　　 It's strange to say that Li Lei, who seemed to be about to die some time ago, is now slowing down. His face is no longer so pale, but a little more blush. The most important thing is that he doesn't have to lie down like he did some time ago, and now he can even sit up by himself.

　　 This change made Shi Xiong very puzzled.

　　 However, Shixiong still agrees with Li Lei's improvement. After all, Li Lei was very supportive of him now, especially after he hunted down a red deer and a bison alone, leader Li Lei's support for him became even more obvious.

　　 is like today's full mobilization. If Li Lei didn't speak, the tribe would not listen to him, the guardian.

　　 "It is necessary to dig this pit. After the pit is dug, kaolin is spread around it, and it can be used for coking after it is naturally dried in the shade!"

　　 "Coking? What is coking?" Li Lei asked curiously.

"Coking is the process of making coal into coke. The wood we use now burns at a low temperature, so iron ore cannot be melted. The temperature required for steel making is higher than melting iron ore, so let alone charcoal. Even if it is burned to produce higher temperature coal, it cannot make steel very well. Only using coke to make steel is the best."

　　 After a pause, Shi Xiong continued to explain: "Well, this coking is for the future. Now we can use coal for steelmaking."

　　 Regarding words such as "burning temperature" and "calorie", the leader Li Lei and the Kabul ritual are the same as the Ting Shu, but looking at the guardian's confident appearance, the two of them are very unclear.

　　 In fact, Shi Xiong is now rushing ducks to the shelves. Although he knows some knowledge about steelmaking, where did he make steel, now he can only make steel in accordance with the methods mentioned in the materials obtained in the previous life.

　　 For example, Shi Xiong has only heard of coking and watched it on the video, but if you ask him to make coking, he is also a rolling pin and blowing fire-knows nothing about it.

　　 And how to make refractory bricks, he has never done that stuff.

　　 But the problem is that it's all like this now, and you have to bite the bullet and do things.

　　 After all, the most important materials for steelmaking are available, and the main materials for making refractory bricks are also available, so just bite the bullet.

　　 The big deal is that good steel can't be made, can't we make nuy steel? It's really not possible, UU reading www. uukanshu.com can also be made by smelting raw iron or wrought iron!

The Kabru priest pointed to the side of the big pit that had just been dug out and asked: "Big Bear, then why do you build a house with stones next to the big pit? Do you want to live here? You hate it. Is your house bad?"

This question made the stone bear ask a little bit. After thinking about it, he said: "Kabru sacrifices, this stone-built house is not for people, and I have no plans to live there. This house is what I plan to use. Burning refractory bricks. Well, the temperature inside the furnace is extremely high during steelmaking. If special refractory bricks are not used, the furnace will be cracked or even exploded. Therefore, the furnace must be built with refractory bricks that can withstand high temperatures. In this way, the safety in the steelmaking process can be ensured."

　　 Ishikuma did this because when he studied ancient steelmaking in his previous life, he also referred to modern steelmaking technology. He remembered that he had seen a report about using waste heat from coking to burn bricks in an article.

A large amount of waste heat is generated during the coking process. This waste heat is exhaust gas with a temperature as high as 600 to 900 degrees. In theory, the high temperature waste gas generated during coking can be used for many things, such as power generation and refining. Chemical Products. The use of coking waste heat to burn bricks is only one of the least entry-level applications.

　　 Burning bricks requires the combustion of coal or charcoal to produce high temperature and high heat to sinter the bricks and finally burn the finished bricks. The temperature of the exhaust gas produced by coking is even higher than the temperature produced by the burning of charcoal, which is more than enough for burning bricks.

　　 Ishikuma has seen a report of using the waste heat of coking to burn bricks. According to the information, the pass rate of bricks burned using the waste heat of coking is as high as 99%. The most important thing is that this kind of technology has been very common in previous lives.

　　 That's why Shixiong decided to scorch and burn a piece of refractory bricks!