Feng Yuheng was quite interested in the idea of walking sideways, but now she had to face a very troublesome problem: teaching Xuan Tianming to read simplified Chinese characters.
She told Xuan Tianming: "I write like this because I'm lazy. I want to write less. Anyway, it's fine as long as I know what I mean."
Xuan Tianming didn't believe this, and simply said: "You can just tell me that this is Persian."
She spread her hands and said, "Although I really want to say that, in fact, it is really not Persian. If I insist on saying it, it will be exposed sooner or later."
Xuan Tianming wanted to say that there would be many things that would expose your secrets in the future, but in the end he was reluctant to expose them, and under Feng Yuheng's guidance he began to read the simplified Chinese characters.
The so-called steelmaking steps are actually written by Feng Yuheng herself, from slag making and slag removal, to the final silicon addition, end point control, and steelmaking, a total of 19 steps, each step has a detailed explanation and description. Moreover, for some problems that cannot be solved in the current era, she has also analyzed them herself and found replacement methods, which are also explained in detail above. However, this replacement method has not been tested, and it is not known whether it can be successful. This is also one of the biggest difficulties in their steelmaking.
Xuan Tianming was quick to learn. Feng Yuheng told him some rules for reading simplified Chinese characters and guided him through a few of them. After that, he was able to figure out the rest on his own. However, there were some overly professional terms that still needed Feng Yuheng's explanation.
An hour later, he finally put the strategy down and said to Feng Yuheng, "Steelmaking is not an easy task. After reading this, I am more certain of its difficulty. I cannot guarantee success, but at least we can try. If it doesn't work once, we can try it twice. If it doesn't work twice, we can try it twenty times. No matter when we try, I believe it will succeed. God will not be so unsympathetic to me, Dashun."
She nodded and began to tidy up the furnace while saying, "This has nothing to do with whether God has mercy on Dashun. Although I have never made steel myself, I have seen others do it. It's just that we don't have the equipment required for some steps, so those alternative methods are where we mainly experiment."
Xuan Tianming also became serious, turned his wheelchair, and began to make preparations with Feng Yuheng.
The first step of steelmaking is slag making, which is relatively simple compared to the following steps. In other words, everything from slag making to slag removal to molten pool stirring is simple, that is, bottom blowing of the electric furnace. I don’t know if the existing huge bellows can achieve this. Especially the subsequent melting, oxidation and decarbonization stages, that is when the technology is truly tested.
The two of them didn't care about their image, even Xuan Tianming got off the wheelchair and sat directly on the ground. Feng Yuheng was the technical instructor and assistant, while Xuan Tianming was the main operator.
"Slag making is the operation of adjusting the composition, alkalinity, viscosity and reactivity of slag in steel and iron production. The purpose is to refine metal with the required composition and temperature." She said one sentence, and he did one step. There were strict regulations on the amount of each thing, the temperature and time of each furnace. He didn't dare to carry it out casually. Unfortunately, after the slag was removed, Feng Yuheng shook his head: "No, the oxide slag is not removed cleanly enough, it is easy to cause phosphorus regeneration." Thinking about it again, "I think everything else is fine, but it's still the control of time. Although we calculated very carefully, it is still not accurate enough."
Xuan Tianming nodded and said, "Come again."
"Wait." She held his wrist, thought about it again, and simply took down a wall clock from the wall of the space.
Xuan Tianming watched her pull out something so big that it was impossible to stuff into her sleeves, and his hair stood up. Fortunately, he had the experience of the poisoning of soldiers years ago. After all, he had seen this girl pull a butt out of her sleeves. Although he was also shocked, he was not so shocked that he thought Feng Yuheng was a monster. What's more, Xuan Tianming knew that things that are not normal are monsters. If that was the case, his little wife would have been drowned in the river to sacrifice to the gods long ago.
"This thing is called a clock." Feng Yuheng was guilty and did not dare to explain the origin of the thing. She only talked about the use of the clock in a roundabout way. She told Xuan Tianming: "There are three pointers on it, one is called the hour hand, one is the minute hand, and the other is the second hand. It is the same as the sundial we use in Dashun. The only difference is that the sundial is divided into twelve hours, while the clock is divided into twenty-four hours. In other words, one hour on the sundial is equivalent to two hours on the clock."
She patiently explained the clock to Xuan Tianming, and then said: "The slag removal process takes one hour and forty-five minutes. This time we will use the clock to accurately time it and try again."
"Okay." He nodded and pointed to the twelve o'clock position on the clock and said, "Start when the minute hand and the banknote hand reach here. This time, it can't be wrong at all."
The two of them made all the preparations to start over again, staring closely at the last two minutes on the clock, watching it second by second. Finally, the ticking second hand passed the last grid and landed at twelve o'clock, and Xuan Tianming's hands immediately started moving.
Feng Yuheng also stared at him nervously, repeating the steps one by one as he moved.
Xuan Tianming remembered very quickly. After the last hands-on experiment, he was able to remember the entire process completely this time, and his movements were skillful. He looked like a veteran. Even Feng Yuheng had to sigh that this man's brain was really useful. He was so good at everything he did.
Finally, all the processes were completed, and all that was left was to keep time. Last time, when they were keeping time, they could still occasionally say a few words to each other, but this time, even with the clock standing here, the two of them were even more nervous, without a single word of communication, their eyes were fixed on the wall clock, not daring to move away at all.
When there was only one minute left, Feng Yuheng reminded quietly: "Be prepared to start the furnace. It must be started when there are two seconds left."
Xuan Tianming nodded, his hand already placed on the handle of the stove.
Finally, the last minute was over. Almost at the same moment when the second hand reached twelve o'clock, Xuan Tianming started the furnace. A wave of heat rushed towards him. When he took out the furnace shovel from inside, he heard Feng Yuheng shouting, "It's done!"
As soon as these two words came out, even Xuan Tianming became excited. He then looked at the slag on the shovel and asked Feng Yuheng uncertainly, "Is it really possible?"
Feng Yuheng nodded, "It's done! Not only that, you also made the best slag. With these things, our subsequent steps will have a solid foundation. Xuan Tianming, you are really capable!"
She praised sincerely, and Xuan Tianming also breathed a sigh of relief. This was only the first step. If they repeated themselves too many times on the first step, their morale would be low.
"We still have to continue making slag." Feng Yuheng said: "Although we are only trying to make a piece of steel first, the intermediate links will have to go through countless failures. Every time we fail, the previous materials will be scrapped. Slag making is the first step, and we must ensure that there is enough material for the first step before we can proceed."
Xuan Tianming nodded, "Okay, then let's make a few more furnaces. After all, we need to become more proficient." As he spoke, he moved the slag of the finished product aside, opened the furnace and added materials, starting a new round of slag making.
This time he was more skilled than last time, and had a clearer grasp of the time rules of the clock. There was almost no need for Feng Yuheng to remind him, as he could operate the entire process by himself.
However, Xuan Tianming did not expect that the scumbag wife who came out this time shook her head and said, "No, the quality is not as good as last time. It should be that I didn't control the heat well at the beginning. I was a little anxious. You have to be more steady."
"Then do it again." Without saying anything, he started again.
The fourth time, success.
The fifth time, success.
The sixth time, failed.
The seventh time, success.
Feng Yuheng calculated in his mind that at first, he would fail once every two successes, and sometimes he would fail twice in a row. It was not until the sixteenth time that Xuantian Minglian reached the success rate, and ten times in a row, all of them were excellent.
Feng Yuheng told him: "You have completely mastered the essence of slag making and slag removal. If the finished product we produce now is not as good as expected, it should be enough to waste. Do these first and continue to move on. If it is not enough, we can come back and make up for it."
Xuan Tianming nodded, then looked at the clock and said, "You can't go on, you have to rest." He pointed at the clock and said, "According to the time rules you mentioned, it should be dinner time now, and it's the second dinner since we entered this place. Hengheng, you haven't slept for a whole day and night, and you haven't eaten anything."
"Ah?" She was a little surprised. She was concentrating on doing one thing in this cave and didn't feel the passage of time at all. But she didn't expect that a day and a night had passed outside. It would have been fine if she didn't mention it. As soon as she mentioned it, she felt a little hungry. She couldn't help but complain: "Really, if we don't go out, isn't there anyone who would think of coming in and giving us a meal?"
Xuan Tianming told her helplessly: "During that time, a total of six people came in. I even smelled the smell of food, but you chased them away again."
"I chased him away?" Feng Yuheng had no recollection of ever having done this before. "How is that possible?"
"How is that impossible?" Xuan Tianming pointed to a pile of empty mineral water bottles on the ground and said, "If it weren't for these things, we would probably die of thirst."
Feng Yuheng goes berserk!
When did she take out so many bottles of mineral water? Looking at the number of empty bottles, there were at least half a box if not a box. Damn it, taking so many things out of her sleeves, Xuan Tianming must have thought she was a monster.
Just as he was thinking about it, he looked at Xuan Tianming again and was surprised to find that this guy was actually... "What are you eating?" Feng Yuheng stopped running and ran to him, staring with frightened eyes and snatched the paper bag from his mouth.
And then, she was speechless.
What did she do during this day and night?
...
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