From the very beginning of the project, Xu Qiang designed this production line to be semi-automated, including some key processes, which were also electronically automated as much as possible.

Therefore, many pressure detectors and temperature probes are installed on the key equipment of the entire production line, which is very rare in equipment these days.

The increase in electronic equipment has brought about a problem that the reliability of the equipment will be reduced. After all, with more parts, the hidden dangers will increase. At the same time, it also greatly increases the cost of the entire production line.

But Xu Qiang and He Yonghong, who was responsible for the specific design of the equipment, didn't care about all this. From the very beginning, Xu Qiang had no intention of saving money. He Yonghong was a mechanic in the army and only pursued the precision and stability of the equipment. He also didn't care about the cost. So in the end, the final cost of the entire production line was as high as more than 9 million, which is a very astonishing figure.

However, there is no way around it. In the processing of aramid paper, the control of temperature and pressure needs to be very precise, otherwise it will affect the length and strength of the final aramid fiber, which is something Xu Qiang will never allow to happen.

“Why are there only these few workers?”

Seeing that there were only ten workers on the production line, half of whom were material handlers, Meng Guangming couldn't help but ask.

"This is a semi-automatic production line. We have set all the process procedures in advance. We have also simplified the operating procedures. Many processes can be completed with just one click," said Xu Qiang.

In some of the equipment on this production line, Xu Qiang also used some microelectronic control panels, all of which were produced by Shanghai Radio Factory No. 1.

In fact, at that time, the gap between China's microelectronics technology and that of developed countries in Europe and the United States was not that big. As early as 1979, Shanghai Component Factory No. 8080 and Shanghai Radio Factory No. 1974 were able to produce the 8080 eight-bit microcomputer processor, and this product was actually a copy of the processor produced by Intel Corporation in the United States in . From this point of view, at that time, the gap between China's microelectronics technology and that of the United States was only about five years.

In addition, the instructions on the electronic control panel of the production line at this time are very simple, so even if very popular chips are used, it is actually completely sufficient. After all, this kind of equipment only processes some simple instructions, which is completely different from the powerful computing functions required by computers.

"This production line is quite advanced," said Meng Guangming.

"In fact, this control panel was developed and designed by Comrade Liu Siying from our team, and produced by Radio Factory No. 1." Xu Qiang added.

"Well, not bad." Meng Guangming nodded, and then continued to observe the operation of the production line.

"Xu Qiang, what is the ratio of terephthaloyl and paraphenylenediamine in your mixed solution?" Chen Zhitao couldn't help asking.

As a leading expert in the domestic chemical industry, asking a young technician for advice may seem a bit "embarrassing" to outsiders, but Chen Zhitao really wanted to know the specific production process of aramid paper, so he did not hesitate to ask.

"The ratio is 1:3. There are detailed parameters in my process manual. This is the best ratio obtained after many experiments."

"Why do I feel that the ratio of 1:4.5 is the most suitable? The fibers precipitated in this way should be the best in terms of length and strength, right?" Chen Zhitao asked again.

Chen Zhitao has been secretly comparing the various parameters of the aramid paper research and development he participated in ten years ago. He still doesn't know why his project failed.

"The ratio of 1:4.5 is indeed good, but that is only the performance at room temperature. In my process, the temperature of the front stage is 80℃. Compared with room temperature, the chemical reaction is more intense. This ratio will cause residual phenyldiammonium." Xu Qiang paused and continued, "In the back stage of the process, the mixed solution needs to be heated to above 200℃. Due to the sharp increase in temperature, the residual phenyldiammonium will be distorted, resulting in changes in the molecular structure, affecting the physical and chemical properties and application effects. The strength of the final aramid paper will be very poor, even less than one-third of the design parameters..."

"That's right!" Chen Zhitao's eyes lit up when he heard this, and he immediately said, "This might have been the problem when we were developing aramid paper!"

"So the mixing ratio of 1:3 is the best. Basically, when the mixed solution undergoes the first heating, not too much residual solution will be produced. The aramid fiber precipitated in this way will have the best performance in various aspects," said Xu Qiang.

"Hey, why didn't we think of this plan at the beginning?" Chen Zhitao looked a little excited at this time, and there was a bit of regret in his tone. After a moment, he said to Xu Qiang with approval: "It is true that the younger generation pushes the older generation forward. Young talents like you are the hope of our country's future..."

Hearing Chen Zhitao's high evaluation of Xu Qiang, the people around were all surprised.

If someone else said this, maybe it wouldn't be a big deal.

But if these words came from Chen Zhitao's mouth, the meaning would be different.

You know, Chen Zhitao can be regarded as a leading figure in China's military industry, especially in the field of chemical engineering, where he has a high level of attainments. The fuel for the previous two generations of domestic space rockets was developed under his leadership. He has left a great impression on China's aerospace and military industry.

So when he gave such high praise to Xu Qiang, no one was not shocked.

While Xu Qiang and Chen Zhitao were discussing the production process of aramid paper, the machines on the production line were still running stably.

The production process of aramid paper is somewhat complicated and time-consuming. After the raw materials enter the warm-pressing mixing barrel, they are mixed, stirred, wet-coated, and flattened before finally entering the hot-pressing process.

By this time, the whole process had lasted for more than four hours, but few people present from beginning to end left in the middle, as they were all waiting for the final result.

"It's out! It's out!" With an exclamation from the crowd, a piece of light yellow aramid paper was slowly pushed out from two huge steaming hot press rollers in the heat press in front, and then rolled up.

At once, everyone gathered around.

Only at this time did Xu Qiang and his team members breathe a sigh of relief.

"Okay! Not bad!"

Seeing the last bit of aramid paper being squeezed out of the heat press and all the equipment shut down, the acceptance team leader Meng Guangming saw this scene and finally smiled.

"Director Meng, the equipment has been shut down now. It's almost six o'clock. We have prepared the food in the canteen..." At this time, Factory Director Li Liping glanced at his watch and said to Meng Guangming.

"This aramid paper has not been tested yet... You guys go eat first, I still need to wait for the test results of the finished product." Meng Guangming said.

Meng Guangming has always been very rigorous in his work.

If the aramid paper produced this time does not meet the performance standards required by the project, the project acceptance cannot be confirmed as successful.

And until this moment, Meng Guangming was still full of doubts about Xu Qiang's project. After all, in the history of the First Ministry of Machine Building, there had never been such a large-scale mass production project that could be completed in just two months.

If the product passes the inspection this time, Xu Qiang will undoubtedly create a historic record!

"But……"

"I've already told you that if you're hungry, go eat. The finished products must be tested immediately. Only in this way can we ensure the accuracy and fairness of the acceptance results." Meng Guangming glanced at Xu Qiang and continued, "At present, the equipment on the production line is running successfully, but the equipment is for the production of products after all. If the product quality is not up to standard, then everything is equal to zero!"

"Okay." Li Liping nodded when he heard that.

Afterwards, several people from the project acceptance team stepped forward to take some samples of aramid paper and then went to the factory's laboratory.

However, what surprised Li Liping was that everyone on the scene, including the workers involved in operating the production line, did not go to the cafeteria to eat, but followed the acceptance team and walked towards the laboratory building.

At this point, everyone is curious about this aramid paper and everyone wants to see the final test results.

There were more than ten testing items for aramid paper this time. In order to improve efficiency, the aramid paper samples sent for inspection were divided into dozens of parts, and technical personnel from the machinery factory also came to cooperate with the work.

"Xu Qiang..." Seeing that the finished product inspection officially began, Liu Siying seemed a little nervous. She glanced at Xu Qiang and seemed to be hesitant to speak.

"Don't worry, we'll definitely succeed."

As Xu Qiang spoke, he gently held Liu Siying's hand and felt that her palm was already sweaty and cold and slippery.

The performance indicators of aramid paper mainly include more than ten indicators such as abrasion resistance, water resistance, permeability, tensile strength, etc., and the testing process is also very time-consuming.

As time passed, the atmosphere on the scene suddenly became solemn, especially Meng Guangming and Chen Zhitao, whose eyes never left the testing personnel and equipment. The more than 20 people in Xu Qiang's project team were so nervous that they didn't dare to breathe.

More than an hour later, when the last test result came out, the BJ expert in charge of the test signed his name on the product inspection form.

"How is it?" Meng Guangming asked.

"All parameters are basically consistent with the indicator parameters set for the project. The error should not be greater than five percent. The samples can be determined to be qualified." The expert in charge of sample testing said seriously.

"Good! Very good!" Meng Guangming smiled immediately after hearing this. He then turned to Xu Qiang and extended his hand, saying, "Congratulations, Comrade Xu Qiang!"

"Clap clap clap!"

The next moment, thunderous applause broke out at the scene, including the workers waiting outside, all of whom were excited. They surrounded Xu Qiang, and the applause lasted for a long time and did not subside for a long time... (End of this chapter)