"Ah Xin, why do you have such an expression? Is there something wrong with you?" Mo Qingyan noticed a strange expression on Chen Xin's face and came back from the outside. She couldn't help asking him a question of concern.

"Oh, nothing, a little thing." Although Chen Xin said so, the expression on his face didn't look like nothing.

On the contrary, he gives people the feeling that he has encountered something embarrassing, like everyone's black history. He doesn't want to be known, but he is extremely embarrassed.

Mo Qingyan probably understood Chen Xin's expression. Seeing that he said so, she didn't go on asking.

On the other hand, Chen Xin's father noticed that his son's expression was not normal, and asked with the same concern: "is it a matter of work? What's wrong with your work? "

"No, it's a little thing. I can handle it myself." Chen Xin at this time put on a pair of don't care, as if it is really just a small matter, not worth mentioning.

Seeing him like this, the father who knew his temper didn't say anything more, but told him: "if there is a problem at work, don't be afraid of trouble, face it positively and deal with it. Since it has happened, we should first find a way to solve it, instead of thinking about how to evade responsibility."

"I know, Dad." Chen Xin nodded, his face changed, as if he had put down the burden.

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After dinner, he returned to his room. Chen Xin sat at his desk with a bitter smile on his face.

In fact, Mo Qingyan and her father both guessed what happened to him, but they didn't go on just to take care of his face.

But it's really not serious. It's just a little accident. It's like an embarrassing accident. It's not really a mistake in work.

In fact, the problem lies in the mining Titan designed by Chen Xin. He just wants to use the existing prototype machine, but ignores the huge difference between open pit and underground mining.

Underground mining, mainly need to excavate the tunnel, and then break the rock to get ore.

In this mining process, before the disaster, because of the development of science and technology and the improvement of mechanization, we also began to use a lot of machinery to carry out mining operations.

In fact, the use of pneumatic pick to break rock by hand was relatively rare before the disaster. Only some relatively small mines chose more primitive mining methods because they could not afford large machinery.

But after the 21st century, there are fewer and fewer such small mines.

After the disaster, it is mainly affected by the weather and environment. Many machines can't work in the low temperature environment of dozens of degrees below zero, because they were not designed to work in this environment at the beginning, so many machines can't continue to use.

Coupled with the damage of the national industrial strength, it is impossible to produce large quantities of machinery that can be used in today's environment in a short time, which leads to many mines still use the more primitive artificial mining method.

When researchers designed the mining Titan before, it was for this reason that they equipped the Titan with an air pick, and finally simplified the structure into an exoskeleton with an air pick to balance the bucket with supporting feet.

However, this is not the case with open-pit mines.

For open-pit mines, they use the method of directly excavating the mountain, and then crushing the excavated ore.

With the rapid development of science and technology, the blasting in the past has become direct excavation. No matter how hard the rock is, it can't resist the powerful cutting brought by cemented carbide pick and hydraulic assistance.

Of course, this is much more practical and efficient than Chen Xin's air hammer.

Although it is true that the open pit is unable to operate due to environmental factors, it is not easy to say that the digging head is replaced by an air hammer to smash the ore with brute force.

After all, the ore really needs to be broken, but it's not said that it needs to be broken to the extent of crushing.

This is exactly where Chen Xin was embarrassed. He sent the mining machinery he had designed to the relevant mining department. People probably didn't know how to respond. In order to avoid hurting his face, he sent him some information about mining machinery for reference.

As soon as Chen Xin looked at these materials, he immediately understood what was wrong with him. What he did was too taken for granted.

But fortunately, this is just a design draft, and it's not really determined to cause such a thing, so it's nothing more than embarrassment, timely modification and adjustment, and it's nothing.

The biggest problem is that Chen Xin made a joke himself. Fortunately, no one will laugh at him for such a thing.

The mining department is also very interested in his new design, and actively provides information on various mining equipment, so that he can design open-pit mining equipment that can be used.

After referring to the information sent by the mining department, Chen Xin also has a new idea and plans to overturn the original design and start over.

The air hammer is replaced by a digging head, and a digging head like a large roller is directly placed in front of the machine body to directly excavate and crush the ore, and then send it to the ore hopper behind the machine body. In this way, the structure can be more simple.

At least the original mechanical DAAO used to assist in ore collection can be removed. It only needs to design a conveyor belt inside the body to pour the ore excavated by the mining head directly on the conveyor belt, and then the ore can be directly sent to the ore hopper by the conveyor belt.

In fact, the original mining machinery is such a design, a machine is complex to dig, after the ore is broken, it is directly transported by conveyor belt or large truck, and the efficiency is quite high.

But the original large-scale mining machinery is really difficult to withstand the current environment, most of them will be frozen and difficult to operate.

Thinking of this, Chen Xin felt that he might as well transform the original mining machinery directly instead of fighting against the mining Titan here.

It's just that there's no reason to give up halfway since he has done it. He still decides to finish his work.

Moreover, this design is not completely problematic. As long as the unreasonable parts are corrected, it can still be used.

Chen Xin thought of this, so he revived his spirit, turned on the computer, called out the data previously sent to him by the mining department, and planned to make a careful study to determine how to modify his design.

While Chen Xin was working, his door was pushed open, and Qin LAN came in with a snack.

However, she did not disturb Chen Xin's work, just put things aside, and then backed out.

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