Unknowingly, the time came to 11:55 in the middle of the night, and there were only the last five minutes left before the next day.
"Professor, this is simulation calculation data. I can't hold it anymore and cannot perform simulation calculations again." Yu Huaqiang endured the familiar feeling of extreme fatigue and dizziness, ended the simulation calculation that lasted for about 25 seconds, and wrote out the calculation. As a result, he said truthfully to Zhuang Qianding.
After completing the theoretical design of the cooling tower, the remaining content is to combine the subsystems such as the compressor, filter, turbine expander, condensing evaporator and cooling tower to come up with the theoretical design of the air separation equipment assembly.
This step can be said to be simple or complex.
Fortunately, Professor Zhuang's technical prowess was not a boast and he easily provided the theoretical design of the air separation equipment assembly, while Yu Hua was responsible for conducting simulation calculations based on the entire design.
"That's enough, that's enough. You need to rest first. Now from a theoretical design perspective, this industrial-grade air separation equipment has been successfully developed. Come on, have a drink of water and celebrate the success of our research and development. It's really unimaginable. We really did it. ." Zhuang Qianding signaled Yu Hua to rest. He wiped the fine sweat from his forehead with his right hand. Looking at the blueprint of the air separation equipment assembly on the design drawing, he breathed a sigh of relief. A smile couldn't help but appear on his face. He picked it up with his right hand. He handed the water glass to Yu Hua and joked.
It worked.
This was a calm but significant moment, with no flowers, no applause, no cheers and excitement, no praise and encouragement, and no familiar things.
Some are just a design drawing of the air separation equipment assembly that has been rigorously verified by theory, and a cup of cold water.
Yu Hua picked up a towel and wiped his sweat, took the glass of cold boiled water, took a look at it, and responded with a smile: "Professor, is this considered a celebration drink?"
"Haha, the conditions in the laboratory are limited. If you have a chance, have another drink. Come!" Zhuang Qianding laughed heartily when he heard this. He picked up another water glass in his right hand and raised it high.
There is no alcohol in the laboratory. If you want to drink, you have to go out to a restaurant. There is no need.
"Congratulations on the successful development of air separation equipment." Yu Hua raised the water glass with his right hand.
The two water glasses collided gently, and the water in the glasses reflected the faces of the two people, rippling slightly.
Clink glasses and drink freely.
Yu Hua breathed a sigh of relief, and so did Zhuang Qianding.
Celebrate the moment with water instead of wine.
Time is fixed on July 7th, and a new but dark day has quietly arrived.
At 00:00 in the middle of the night on July 7, 1937, the design of the industrial-grade air separation equipment assembly was completed, establishing a material foundation for oxygen steelmaking in the steel industry.
"Yu Hua, take a piece of paper and we'll have a technical briefing." Professor Zhuang was in a cheerful mood, put down his water glass, and said to Yu Hua.
"Okay." Yu Hua nodded, found a blank piece of scratch paper, and prepared to record.
"Now the design of the air separation equipment assembly has been completed, but there are probably quite a lot of problems faced in the manufacturing process, which are mainly divided into three categories: materials, processing equipment and skilled workers. You and I can be responsible for the workers, and the rest is materials and processing equipment. "Professor Zhuang's mind was lost in thought, he conducted a systematic analysis and said slowly.
After the design is completed, the next problem is how to manufacture the air separation equipment assembly.
Manufacturing, this cannot be done in one sentence, it involves all aspects.
Yu Hua nodded in agreement and began to record manufacturing issues.
"First, the rotor materials and precision processing of the two-stage centrifugal compressor, two-stage fan compression structure, and turbine expander require high-strength steel and gantry milling. There is currently one in the gantry milling laboratory, but it is the school's Resources cannot be moved to Yancheng, and the laboratory does not have high-strength steel." Zhuang Qianding gave the first specific manufacturing difficulty.
"Yancheng currently has an electric arc furnace steelmaking process that can produce electric furnace steel. The yield strength and tensile strength meet the needs of rotor materials. There is a lack of processing equipment. However, rotor processing can be achieved by imitating gantry milling." Yu Hua nodded after hearing this. said.
The best ideal target for the high-strength steel required for rotor materials is high-strength electroslag steel. However, due to limited objective conditions, we can only resort to using electric furnace steel as the rotor material.
Romance
As for the processing equipment, Yu Hua can only give out the route for independent production of imitation machine tools in his own capacity, and cannot disclose anything about German-made machine tools for the time being.
"Imitating gantry milling... is indeed a feasible way. Only independent research and development can solve all problems." Zhuang Qianding thought thoughtfully, but did not find it difficult. He nodded and continued: "Second, the use of high-power DC motors The rotor material, silicon steel, is a high-end magnetic material that is not available in the laboratory. The country is 100% dependent on imports. Can the base produce it?"
"No." Yu Hua shook his head and replied. Silicon steel material is one of the materials Yu Hua plans to solve, and the base area is temporarily unable to produce it.
Silicon steel is a magnetic material with a silicon content coefficient range of 1.0-4.5% and a carbon content of less than 0.08%. It has properties such as high magnetic permeability, low coercivity, and large resistance coefficient. It is suitable for motors, transformers, electrical appliances, and Magnetic materials are indispensable in electrical instruments.
It can be said that without silicon steel, motors cannot be built.
This thing is an aristocrat among thousands of steel products. It is known as a steel work of art. The smelting process is very complicated, the production technology is extremely difficult, and the output is rare.
Silicon steel production involves many fields such as manufacturing technology, equipment, processes and materials science. The world generally regards silicon steel output as an important indicator of a country's special steel smelting level. Similar to top industrial countries such as the United States and Germany, silicon steel output usually accounts for The total amount of steel is about 1.5%. In Britain, France and Japan, it is generally 1%. In the Soviet Union, which uses converter steelmaking technology and electric furnace steelmaking technology, it is about 0.7%.
"It seems that we have to think about the silicon steel smelting process. In 2034, cold-rolled oriented silicon steel appeared. This silicon steel shows a significant increase in magnetism along the rolling direction of the steel plate. It is very suitable for making motors and transformers, replacing hot-rolled silicon steel."
Hearing this expected answer, Zhuang Qianding was not discouraged. He nodded and said, "At this stage, we will first obtain silicon steel from discarded motors and remelt it to make it. In the future, we will engage in hot-rolled silicon steel and then cold-rolled silicon steel." Silicon steel, what do you think about solving the problem of silicon steel production?"
"I agree."
Yu Hua nodded and recorded this solution.
Professor Zhuang's idea coincided with his original plan.
First, look for silicon steel sheets in discarded motors to solve the problem, and then use the oxygen converter to solve the problem of silicon steel production.
You must know that the oxygen converter process was the main method for producing silicon steel in later generations.
"Third, the aluminum plate fins and copper pipes of the condensing evaporator, the materials required for the internal and external circulation of the open cooling tower plan...are these materials available in the base?" Zhuang Qianding asked.
Yu Hua responded: "Aluminum flakes and copper can be refined through electrolysis."
“What about the power supply issue?”
Zhuang Qianding nodded, suddenly realizing the problem of energy supply, frowning slightly, and asked: "The electric arc furnace, the electrolysis process, the normal operation of the air separation equipment, and the imitation machine tools, all of these do not rely on electricity."
After finishing his words, a pair of eyes looked at Yu Hua.
Their eyes met, and a faint atmosphere of embarrassment filled the air.
"Are you going to tell me that we are going to build a generator set, a thermal power generator set based on a steam turbine?" Zhuang Qianding said helplessly.
"Yes, professor, I think we should develop a 5MW power turbine generator set, which can basically meet the power needs of air separation equipment, electric arc furnaces, mechanical processing equipment and other equipment." Yu Hua blinked, the fact is just like Zhuang Qian Ding said that in order to solve the power problem, it is necessary to build a real generator set.
Electric arc furnaces, air separation equipment, machine tools, and future electroslag resmelting furnaces are all electric tigers. The power generation equipment in the base area alone with a total power of no more than about 100KW cannot accomplish big things.
Modern industry cannot do without electricity. This is a hard nut that must be cracked.
"It's like saying that in order to build an air separation equipment, we have to build an industrial base. That's probably what it means, right?" Zhuang Qianding laughed and joked after hearing this.
Now it is no longer a problem of manufacturing air separation equipment, but a problem of the entire industrial production system and industrial chain. Without an industrial production system as a backing, the blueprint of the air separation equipment assembly that has been designed on the workbench cannot be transformed from a blueprint into a real thing.
There was a trace of helplessness in Yu Hua's words: "Yes, if we want to solve these problems once and for all, in fact, we need to establish the most basic industrial production system to realize the whole process of raw material mining, smelting and mechanical processing. With this industrial base, we Only in this way can we develop a 105mm howitzer, and this is why the students asked you to join us. My strength alone is too meager."
To be honest, the basic conditions in this era are really poor.
If you want to engage in weapons production in China, which has almost no industrial foundation, you must establish a basic industrial production system covering metallurgy, machinery, energy, and mining.
"Okay, isn't it just an industrial base? You and I will turn it upside down! 5MW power is not enough, it is too small. If we have electric furnace steel, we can build a single 10MW generator set and build a thermal power plant with an installed capacity of 2×10MW. The base area is rich in coal resources and there is no problem with the supply of raw materials.”
Zhuang Qianding heard this, with a hint of domineering in his eyes, and said loudly: "In this way, the long-term power supply problem can be solved."
A good man faces difficulties and is never afraid of them.
Zhuang Qianding is not afraid of any difficulties.
Yu Hua was a little surprised: "10MW, professor, isn't it a bit big?":
"No, there is no problem with the theoretical design. Don't forget, I once served as a power engineer at the Edison Power Plant and the Chicago Power Plant, and participated in the design of 80MW and 100MW turbine generator sets." Zhuang Qianding smiled, full of words. Chic.
Yu Hua gave a thumbs up: "..."
He is indeed a boss.
"Jian's meeting will be here for the time being. The idea of establishing an industrial base in the base area is not yet complete. If there is a chance, I hope to talk to them. There is no point in just relying on you and me to think nonsense here. We must obtain their support. "Zhuang Qianding raised his hand and looked at his watch. It was already 12:30 in the morning. He immediately stopped the technical briefing and said to Yu Hua.
"I will arrange it as soon as possible." Yu Hua nodded and replied.
