"Yes, Mr. Li, you are right. Come on, let's do one first and let me express my respect for you. Mr. Li said, don't mind, you are so young, but you can see so long. This is definitely a blessing in our industry."

After saying that, without waiting for Li Yifan to react, Yao Chongshan directly picked up the full cup of Phoenix Laojiao in front of him and drank it in one bite.

He is engaged in the casting industry, so he can be said to be clear about the special metal casting and processing area in China.

"When it comes to cast forging parts of this special alloy, the ones that use the most in China are probably those domestic nuclear power plants and thermal power plants. In the past two years, I have traveled around the world with my mentor, but I have visited many such companies. The main projects I participated in are the research and development of the new generation of boilers of these companies. Now the top international nuclear power companies and thermal power companies are using something called supercritical boilers. Mr. Li, have you heard of this kind of boiler?"

Yao Chongshan said while asking Li Yifan. Li Yifan nodded. How could he have never heard of this kind of thing? When he wanted to start the special metal smelting industry, his elder brother-in-law mentioned this kind of boiler and said that the boards and pipes were very interesting.

"My teacher and I have inspected two domestic nuclear power plants. Almost all of the supercritical boilers used by these two nuclear power plants are imported from abroad. After we understand, we have estimated that a set of reactor pressure vessels, steam generators, and voltage regulator shells, plate pipes and main pipelines of a set of million-kilowatt water reactor nuclear power reactor nuclear power requires a large number of cast alloy components. After our estimates, each unit alone costs about 500 million yuan. A small nuclear power plant requires an average of five such nuclear power machines.

In other words, it takes 2.5 billion yuan of funds for metal castings alone. What a big market is this? In this regard, our country has no decent finished products and technology, and it all depends on imports. The special steel plates and pipes required in nuclear power plants are almost all imported from Japan. The money spent on these metal accessories every year is as high as 100 million yuan. The reason why we cannot produce such high-standard boards and pipes is because we are not in the casting technology."

Speaking of this, Yao Chongshan stopped for a moment, and when he thought of our domestic steel companies’ lack of success in these technologies, he was a little excited.

"Actually, we have learned that this kind of metal plates and metal pipes are suitable for the required metal pipes and metal pipes. The special alloys used in the materials are not special. In fact, we are mainly weak in the later heat treatment process. Moreover, these heat treatments are actually not very difficult. As long as we increase our investment in equipment and improve the process flow, we only need to test a few more times, and we can do it. However, the current domestic steel companies, haha..."

With an understanding of domestic steel companies, Yao Chongshan's investment in scientific and technological research and development can only be described in the word "hehe".

Big bosses would rather change themselves to a new car than increase investment in scientific research. Anyway, the company belongs to the country, and making money is their political achievements. Now the market demand is so strong that you only need to produce ordinary steel plate profiles with the lowest technological content, and you can make a lot of money. Why do you have to spend a lot of money to do high-end research and development?

Waste time is not counted. What if scientific research fails to produce results and the scientific research fails in the end? With so much investment before, who will bear the consequences?

It is precisely because of this mentality that the large state-owned steel enterprises in China do not have the leader who is willing to spend money on scientific research.

"I won't talk about the backwardness of this material for now, let's talk about the later processing. The process and process of our production are not a little behind others. The board is relatively simple, let's talk about the pipes. The pipes required by this nuclear power plant unit, not only linear pipes, but also various pipes with curves, as well as pipes with a maximum bending degree of 90 degrees. And these pipes, Japanese people generally use forging technology and use large hydraulic presses to bending the finished pipes, and also ensure the accuracy. They cannot cause a loss of volume during the pressing process, and ensure that the bent pipes do not have cracks, and the stability, life and work of this special pipe must be guaranteed.

Strength, etc., are reflected in the later processing technology and processes. In this regard, we are far worse than others. Now the domestic steel companies are making money and are busy making money. They are all thinking about doing the most ordinary and least technical things. No one is willing to study this. Even if they want to develop process processes that are comparable to others, they are spending money to transform production lines or something, which is a big investment. Originally, I thought that if we want to catch up with the Japanese or Germans in this regard, according to the current situation, it can be said that it is useless. However, after I learned about the new technology of 3D printing, I felt that maybe we don’t have to be so pessimistic. Can we find another way?"

Yao Chongshan's words made Li Yifan feel enlightened. When he wanted to take over this Bincheng Special Metal Smelting Company, his brother-in-law said that the special metal casting and processing industry was very interesting, and he mentioned the great features of the Chinese supercritical boiler at that time.

At that time, Li Guangli said that the pipes and boards needed to build such boilers need to be imported.

If a piece of A4 paper-sized board, the Japanese dare to ask you for the price of an Audi car. If a piece of pipe that costs ten meters long, the others dare to ask you for millions.

At that time, Li Yifan was confused and knew the reason, but he didn't know why. He just knew that if he wanted to build such a boiler, the plates and pipes were very valuable, but why they were valuable, but he didn't understand. Now, after hearing what Yao Chongshan said, he understood that it turned out that it was expensive.

"I thought at that time that if we don't follow their old path and adopt this new 3D printing technology, then we will save the trouble of studying the post-processing process of others, which will save a lot of costs. And using this technology, it will be molded in one go, and there is no need to be as complicated as them. This will save material costs and a lot of time costs. For example, we use 3D printing technology to print out a model of large casting parts, and then cast them in one go with a furnace of molten iron, which can save not only the cumbersome process steps in the future, but also a lot of material costs. The most important thing is that this 3D printing technology can produce the model with very high accuracy. According to the first international standards, the accuracy can be controlled within 0.1 mm, so that the accuracy can be controlled, so why don't we develop such technology?"

After hearing this guy's words, Li Yifan then realized why this guy made a 3D printer that was known as the world's largest, ten years later, and the love was not aimless.

Moreover, the world's largest 3D printer created by this guy was specially prepared for metal casting models. The coated sand metal casting model that his printer could produce was a unique 3D printing industry. It played a major role in the casting of large metal parts at a time.

"Well, this idea is indeed good enough."

"Haha, good enough? I have to say that your kid's vision is accurate enough? Brother Li, I have been with my teacher in the past two years and have traveled to many large domestic nuclear power, hydropower, and thermal power companies. Now these companies are all focused on studying supercritical boilers. In recent years, the country has also made long-term plans for the future of my country's power industry. For example, the nuclear power industry. According to the national long-term plan that my teacher and I participated in, the country has clearly stated that in 2020, the capacity of nuclear power in our country will exceed 70 million and tens of millions, and the domestic production ratio of equipment will exceed 70%. In the next ten years, hydropower will require more than 200 units with a large single-unit capacity of more than 500,000 kilowatts, and thermal power will require more than 900 gw of the total impact capacity of the national 2020! Do you know what this concept?"

Yao Chongshan was very excited. At this time, he had completely lost his image as a scholar, but had a red face and thick neck.

Regarding the facts generally explained by Yao Chongshan's continuous cannon, Li Yifan was so dizzy that he was blown away and could only shake his head to express his confusion.

"So that? Even nuclear power is a small power station. Calculated by five units per power station, the demand for metal castings alone exceeds 2.5 billion. For hydropower, each large-scale forging casting requires 250 tons per forging and 150 tons of castings. my country needs 8,000 tons of large forging castings in hydropower units every year. According to the production level of my country, the yield rate is about 55%. If we use 3D printing technology, look at this market? Not to mention thermal power, each forging forging for large units is 230 tons, and castings require 250 tons. So Brother Li, what is the market forgings? "
Chapter completed!