Super Chief

　　 To be honest, this furnace and this crucible are really a bit horrible.

　　Because it needs to provide huge heat to the crucible, this kind of furnace has a small belly and big head. Originally, Shikuma wanted to build this furnace into a rounded cone shape. But in fact, this furnace built with kaolin mixed with a certain proportion of clay and bone meal, at first glance, looks like an enlarged version of niubaba. If there is an extra point on it, it is proper. The baba of the bull demon king...

　　 As for the so-called clay crucible, after firing, it looks more like a frying spoon for a bite of cooking, and it is full of bumps and bumps, which corresponds to the Chinese allegorical saying-pock is not called pock.

　　 In the words of Shixiong's self-criticism, this is the typical high-eye and low-handedness.

　　 At the old wooden house, I shaved other people's wood, but in turn, I looked at the thing I and Kuai Ma had made. The wooden planks that people shaved out of wood can be called works of art.

　　 But fortunately, the stove and the frying ladle crucible are in a tacit agreement. When the frying ladle crucible is placed at the mouth of the furnace, it can be regarded as a tight fit.

　　 I just don’t know how it works.

　　 After the stove was completely dry, the old wood also made the bellows out. Not to mention, although the old carpenter encountered all kinds of difficulties in the initial stage of making the bellows, the final result of the bellows is still quite good, not worse than the bellows next to the home stove that Shixiong used when he was a child!

　　 Of course, the size of this bellows is bigger. After all, this bellows is the key to supplying oxygen to the furnace. If it is smaller and the oxygen provided is not enough, the furnace temperature will not meet the requirements for melting pig iron.

　　 A lot of coal has been transported by the tribe. It is estimated that there are 8,000 catties if it is not 10,000 catties. So much coal is enough, and even coking is enough.

　　 Early this morning, all the tribesmen gathered together to watch Master Guardian steel making.

　　 The clansmen of the entire tribe have been blessed these days, no wonder this big man was chosen as the guardian by the Kabru sacrifice, this guy is really amazing.

　　 He only needs to go out and wander around once a day to ensure that he can hunt a bison or a big red deer, and there is always only one wound on the body of these prey, either in the heart part or in the neck part. It is absolutely a one-shot kill.

　　 Master Guardian kept his promise, which was praised by all the tribesmen. Of course, as the guardian can provide meat for the tribe every day, all the work he requested has been done by the tribe.

　　 A large amount of coal and iron ore are piled on the clearing in the middle of the tribe, next to some limestone and a wooden shed specially used for kaolin.

　　 Except for the kaolin under this wooden shed, there is the stove from the stone bear.

　　 After burning the coal with wood, even in late autumn, the area around the stove is still hot.

　　 That strange-looking clay pot is just like that on the stove, and there are a lot of black iron pieces in it.

　　 Speaking of these iron pieces, many people feel distressed. These iron pieces are all obtained after smashing those intact iron pans. The ghost knew why the guardian did this, and the iron pot was not kept, it had to be smashed.

　　 If these Indians understand the Chinese civilization, they will definitely put on this powerful guardian a big hat of "violent heavenly things".

　　 But the pot has been smashed, and it's too late to say anything. I can only watch these iron pieces start to smoke in the earthen pot that is gradually turning red...

　　 To be honest, Shi Xiong really has never done this kind of work. When he was a child, he had seen how to make iron in a local blast furnace in the village, but he had never seen how to melt the pig iron.

　　 He can only do this based on imagination.

　　 Fortunately, the clay crucible he made is ugly, but it is really resistant to burning. The five men in the wood took turns pulling the wind box next to them, and the wind from the wind box exit entered the bottom of the furnace through the air duct, and immediately caused the coal flame to change from dark red to orange-red, then yellow-white, and finally It became a dazzling white.

　　 For the temperature change corresponding to the change of flame color, Shi Xiong also has a more spectrum in his heart.

　　As a cultural relics expert, he knows very well that before the thermometer was invented, in the practice of smelting metals, the ancients created a method of judging the temperature by observing the temperature and the color of the fire.

　　 "Wood planer, I am optimistic about this color, this dark red flame, the corresponding temperature is about six hundred degrees..."

　　 "The flame is now dark red, and the temperature at this time is about seven hundred degrees."

　　 "Okay, do you see this flame color? The temperature of this red-orange flame is about nine hundred degrees. When the flame turns orange, it means that the temperature of the flame can reach a thousand and one hundred degrees."

　　 "Well, the temperature of the flame has reached white now. At this time, the temperature of the flame is about 1,300 degrees. This temperature is almost the temperature I need."

　　 Muzao has become interested in smelting since he was given a meal by Shi Xiong, UU reading www.uukanshu.com, he took the initiative to find Shi Xiong and said that he wanted to learn how to smelt.

　　 For the wood planer's request, Shi Xiong certainly wanted it. He was thinking of training specialized smelting talents in the tribe. No matter how good he is, no matter how much he knows, he needs manpower to do specific tasks. Even if you dismantle yourself, you won't be able to make two or two nails. Therefore, it is very important to train professional talents.

　　Since Musha is willing to do smelting, Shixiong really doesn't mind teaching this guy what he knows.

　　 Musha's performance also made Shi Xiong very pleased. When he participated in this smelting for the first time, he raised the issue of the relationship between flame color and temperature, which is enough to show that this guy is a very caring person.

　　 So Shixiong told him what he knew about the relationship between flame color and temperature without reservation.

　　 Muchao can be regarded as a cultural man in the tribe. Holding a piece of limestone and a slate, he wrote down some symbols that the stone bear could not understand...

　　 As the color of the flame reaches white, it means that the furnace temperature has reached more than 1,300 degrees. But at this temperature, the crucible that looked a little bluffing has withstood the test of high temperature. Even if the whole body of this crucible has been burnt red, it still hasn't broken.

　　 As for the pieces of pig iron put in the crucible, it has already begun to slowly melt at this time.

　　 These iron pots exchanged from European colonists are actually gray cast iron. The melting point of this gray cast iron is about 1320 degrees, so when the flame starts to turn white, these gray cast iron fragments begin to melt...

　　PS: The new week has begun again, and Lao Mo desperately needs the support of readers' recommendation votes!