Steps of rebirth

China-US construction and stopping the gunning Golden Gate. For Qi Jinsong, it is an exciting topic. Others are in the head of the dishes on the table, but he talked about the views of these two things, single analysis, and unite Dig, longitudinal comparison, horizontal association, only sputum splash.

Qin Wenbo has sighed after a shrimp, "Jianhua, the future cooking can only speculate in this one-fifth. If you eat more, you don't have to listen to the noise ... Jin Song, if there is so many dishes, you Should you eat so calm? "

Long Jianhua asked Qi Jinsong, "Do you have any friends in other schools? Help me borrow a bidding certificate, up to a week."

Qi Jinsong said, "There is! Ren, most, where are you talking about?"

Dragon Jianhua nodded, "The business is big. You are only half a month, and you must prepare for the final exam, just don't delay people."

Zhao Hongying asked, "Since you want to read the book, your uncle is so much, you will see it, how can you go to another school?"

Long Jianhua shook his head, "Uncle's school can go to see, other schools are different, only in the end, do not affect people borrowed."

Long Haojun took out a paper from the clothes, "Jianhua, this is some ideas I improve the stainless steel production process, you helped me to participate in the staff."

Long Jianhua took the two pages and laughed, "OK, just take the task to read the book."

Qi Jin Songcheng looked at Long Jianhua, turned to the Long Hajun, and then looked at Long Jianhua, "Jianhua, you also understand this?"

Long Jianhua smiled, "Who said I understand? Is this not the task of my uncle to me? Take the time to study these things. You can only let you learn, just learn?"

Qi Jinsong shakes the head into a rig, "I am not allowed to learn, but your study is too surprised. Uncle is a deputy professor, the science of the frontier of the study, you actually have courageous to help uncle staff ... "

Uncle and others laugh, do not speak, drink alcohol and eat vegetables.

After eating, Qin Wenbo went to the street, Qin Qi was going to play with the moon and moon to play, Zhao Hongying took the task of wash the dishes, only Long Jianhua Uncle Two people sitting on the sofa.

Waiting for the dragon Jianhua finished the program, Long Haojun asked in a faint, "How?"

Long Jianhua shook his head, "I don't know what the current production process is like. I don't have any opinions for this ... However, I have some ideas ..."

In fact, when I saw this program, he had a large number of stainless steel production technology and formulas, but he can't say it in the face of Long Hajun.

Long Haojun took his face and made a domestic stainless steel situation.

The domestic stainless steel industry is weak. There is only a special steel mill to produce a small amount of stainless steel. Now there is a standard 13, including sixty-five grades, no matter the quantity, quality or variety, the range is also very useful. limited.

In addition to the formulation issues, the production process is also a very important reason.

In 1968, the world's first AOD furnace (argon oxygen-based refining furnace) was built in rice. This AOD furnace does not need vacuum, small equipment investment, simple operation, fast decarculating speed, no need to releasten in the electric furnace, replace argon in high carbon with inexpensive nitrogen, further reduced cost.

In the fifty-year, Deman has tried to refine the steel solution under normal pressure, developing a simple DH method and RH method; the island is the introduction of these two technologies, developed a technology to vacuum tank The process of establishing an oxygen transfer furnace and RH-OB and industrial production in 1972;

There is already an Elu style furnace in China, and some are still using high-frequency induction furnaces ...

After listening to the introduction, Long Jianhua launched, "Uncle, since people have developed a AOD furnace, why should we study AOD on the basis of VOD, do not directly study AOD, or conduct research on this basis ? "

Long Haojun glanced at him, "If you don't learn, you want to run, are you not afraid of wrestling?"

Long Jianhua smiled, "Uncle, in fact, I saw a lot of books during this time, and I also read a lot of journals. There are basic journals to mention AOD, I am calculated, I feel that AOD is then only ... "

At this time, Zhao Hongying went in and said, "Jianhua, you have to help him. During this time, he must be crazy, often stay up late to two or three points; in addition to reading, it is to get this program."

Long Jianhua smiled.

He knows that domestic technology is blocked for too long, and stainless steel production is also the same.

In August 1968, two sets of 50 tons of converter steelmaking equipment were introduced from Osli; in March 1970, the cold rolled stainless steel complete equipment was introduced from Deman. As for the production of refining techniques, this decade rely on ourselves to explore, and the progress is not large.

The domestic AOD furnace is required to be put into production in September eight or three, and only 18 tons of processing capacity has been taken for more than ten years.

But there is a person who can be embarrassed, these things will soon catch up.

Long Jianhua took out a piece of straw paper to quickly write, soon, he will write sixteen pages, "Uncle, this is what I think, you have a look."

Long Haojun took the grass paper, the more excited, the more excited, and the hand was not stopped on the table.

"This is feasible!"

"This is very wonderful!"

"Why didn't I think it can be done?"

"This view is presented, but there is no problem in theory, you can try it!" ......

Zhao Hongying looked at the Long Haojun who was excited to face. Every time I wanted to take him, but the hand just reached was returned.

After reading the dragon Jianhua program, Long Hajun tightly grabbed her paper, "Jianhua, you also mention a stainless steel formula, which is from where to come?"

Long Jianhua laughed, "This 3Cr12 ferritic-martensite stainless steel is the product produced in the second half of Nanta, which is the highest strength level, wear resistant to corrosion, so I pushed it, but not A certain one. "

Zhao Hongying does not take advantage of it.

Long Haojun also nodded again. "A new product is not so easy to get out, there is a good idea ... Don't tell you, I have to go back to put the idea, try to enter the test stage soon ... but You seem to have a complete test plan, and there is no need to write again ... "

After standing, I was taking it over Long Jianhua's shoulder. "Jianhua, the top-level reincarnation converter after smelting with RH equipment, the high-volume production of stainless steel technology, you think that it is very clever!"

Zhao Hongying laughed, "You won't be light? Almost take the Jianhua to the table."

Long Haojun haha ​​smiled, "He is practicing Wu, anti-shoot ... Go!"

It is also beautiful in the heart of Long Jianhua.

People will change according to environmental changes, Long Haojun is the best example.

I didn't like to talk before, because I was in my own small world; now there are more words, because I want to command to coordinate, I will forced him.