Military Heavy

Chapter 192 Comparable to Heart Bypass (Fourth)

Here, not only many technicians, quality personnel and management personnel, but also many high-level executives from Donghai Shipyard have arrived.

Including Lu Guodong and Chen Shaohua, everyone watched nervously as the first diesel engine was hoisted into the power cabin. When the diesel engine fell steadily, many people breathed a sigh of relief.

Why are you so nervous?

The reason is very simple, because this is the first time in our country to adopt advanced diesel combined power, and there is a very key technology in the installation of power system.

This technique is called Shaft Alignment!
It determines whether the shaft system can run safely and reliably. If power equipment is the heart of a ship, then this technology is more complex and delicate than heart bypass surgery.

During the operation of the diesel engine, the speed is very fast. Under such a high speed operation, if the shaft system is not installed very well, the bearing bush will be burned first.

If the bearing bushes are burned, the entire power system will be paralyzed.

This is the first time in the history of Donghai Shipyard!
No wonder everyone was so nervous, including the top leaders, who came to see the first diesel engine hoisted into the power cabin with their own eyes.

Then, the second diesel engine, then the first LM2500 gas turbine
The whole process is very slow, no one dares to pursue speed, and puts safety, precision, and quality as the first.

It took almost one morning for two imported diesel engines and two LM2500 gas turbines to be successfully hoisted into the power cabin.

When the second LM2500 gas turbine fell smoothly and steadily, the whole scene burst into uncontrollable applause.

Applause resounded throughout the berth.

Everyone applauded desperately and vigorously, even those workers who were outfitting were no exception, each of them cheered up and breathed a sigh of relief.

"Great!"

"Both the diesel engine and the gas turbine entered the power compartment smoothly!"

"It's off to a good start, which is a good sign."

"."

Hearing such warm applause and listening to the words that drifted into his ears, Lu Guodong lightened his heart, and waved his hands enthusiastically: "Come on, let's board the ship and go to the power cabin to have a look."

Lu Guodong and Chen Shaohua walked in front, followed by several people, about five or six people wearing hard hats, boarded the 052 ship and entered the power cabin.

"It's quite spacious inside." Lu Guodong said with a little surprise.

Chen Shaohua said: "The power cabin of the 052 ship is designed to be enlarged, which is very spacious and ample. There are two diesel engines and two LM2500 gas turbines in it, and it is not crowded at all."

Lu Guodong seemed to have thought of something, and said loudly: "The power cabin adopts an enlarged design. I heard it was Comrade Yang Fan's suggestion."

Chen Shaohua said affirmatively: "Yes, at the beginning of the design of the 052 ship, Comrade Yang Fan tried his best to reject all opinions and suggested that the power cabin should be enlarged. Finally, this suggestion was adopted."

"The purpose of doing this is just in case, if one day the Americans cut off the supply of LM2500 gas turbines, we can replace them with other gas turbines without major changes to the power cabin."

Oh I see!
There were some other people beside them, even a few technicians and a few workers. They probably heard about this for the first time.

It suddenly dawned on me that I finally knew why the power cabin of the 052 ship was so large and ample. It turned out to be Director Yang Fan's suggestion.

A technician also said: "It is unlikely that the Americans will cut off the supply of LM2500 gas turbines."

Chen Shaohua said: "At present, it seems that the possibility is really small, but who can tell clearly about the future, our 052 ship can last for decades, and who can guarantee that the Americans will not break down in the next few decades?" For it."

This is true.

No one can really guarantee this.

Don't be afraid of [-], just be afraid of what happens.

After understanding this, the technician didn't say anything, but prayed in his heart, God bless, don't let such a thing happen.

Everyone is not unfamiliar with the LM2500 gas turbine, but they are familiar with it. There is a prototype used for teaching and training in Donghai Shipyard.

After several leaders looked here and left, several workers began to carry out specific installation work under the guidance of technicians.

Hoisting two LM2500 gas turbines and two diesel engines is only the first step, there are still many things to be installed, and there is a lot of work.

Well aware of the difficulty and technical requirements of power system installation, especially the shaft alignment, they did not dare to neglect in the slightest, and meticulously began to install according to the process requirements.

For several days in a row, there were technicians in the power cabin to guide and follow, and Zheng Xianxue, the Minister of Engineering and Technology, even came to see it almost every day.

Beijing, the headquarters of the 052 ship.

Commander-in-Chief Huang Keping personally presided over the meeting. Not only comrades from the East China Sea Research Institute, but also people from other related units and institutions attended the meeting. In addition, the military and the Military Industry Bureau also sent people to participate.

The meeting discussed the design of the No. 052 Ship No. 2. Yang Fan accompanied Commander Pan to Beijing for a meeting and was also sitting in the conference room.

Yang Fan mainly sat in the meeting room and listened, and recorded some things in his notebook.

There is no way, there are too many big bosses, and it is impossible for Yang Fan to have the opportunity to speak. In addition, Yang Fan is not ready to speak. This meeting, he mainly came to listen with his ears.

At this meeting, it has gradually become clear.

Compared with the current first ship, the future No. 2 ship has certain changes in air/sea radar and electronic countermeasure equipment.

Mainly to increase the localization rate.

如首舰的对空雷达是法国的海虎，而2号舰将使用的是国产的360型；电子对抗设备首舰使用的是8300电子对抗设备，而2号舰将使用的是8310电子对抗机。

For another example, the anti-aircraft missiles of the first ship are "Sea Sidewinder" missiles imported from France, and will be replaced with HHQ-2 missiles on the No. 7 ship.
Overall, there is not much difference between the two ships.

The biggest difference is that some complete sets of imported equipment will be replaced with domestic equipment to increase the localization rate. Most of the design drawings can be used as they are without modification.

Because of this, the amount of design tasks is much smaller than that of the first ship, and with the design experience and foundation of the first ship, the design node of the No. 2 ship was clarified at this conference, and it was required to be before 1990, that is, at the latest in 1989. At the end of the year, the East China Sea Institute must complete the design of the No. 2 ship.

It is now July 1988, and there is still more than a year left, which should be enough. It can be seen that Master Pan is not under too much pressure.

It was also clarified at the meeting that the construction of the No. 1990 ship would start in 2, but Huang Keping did not specify the specific date for the start of construction and which shipyard would undertake the construction.

Yang Fan guessed that if there were no accidents, the No. 2 ship should still be built by Donghai Shipyard. After all, they have experience in building the first ship.

After the meeting in the capital, Yang Fan heard about the installation of the power system of the first ship not long after he returned to Donghai Institute.

Yang Fan is quite familiar with the installation of the diesel-fuel combined power system, because the future 052 ship, 054 ship, including the 055 large drive will all have such a power system.

At the same time, he also knows that such a combined power system is the first time for Donghai Shipyard. Yang Fan is a little worried about whether they are technically feasible.

Because there is a very critical technology in the installation of this power system, called shaft alignment!

This technique is extremely demanding, truly comparable to heart bypass surgery.

Donghai Shipyard.

After more than ten days of hard work day and night, the power system has basically been outfitted. At this moment, everyone, including the senior management of Donghai Shipyard, is both happy and nervous.

Why are you happy?

Very simple, after a lot of hard work, the complex power system was finally installed, and you're done.

Why are you nervous?

That's because after the installation is completed, it will be tested to check whether it meets the requirements, especially whether the shafting alignment meets the process requirements.

If the test run fails, or there is a little problem, it will be big.

No wonder the high-level executives of the entire Donghai Shipyard are in such a mood. The entire technical system also attaches great importance to this matter. Not only have technicians followed and guided the entire installation process, even Zheng Xianxue, the director of the Engineering Technology Department, came to have a look almost every day. .

At this moment, in the power cabin of the first ship.

Several technicians and quality personnel are busy, reconfirming the accuracy of various data, and carefully measuring some dimensions again, striving for accuracy.

Another two days passed.

Almost all dimensions were re-measured and confirmed to be correct.There is no air conditioner in the power cabin. In summer, the temperature here is as high as 35 degrees, and it can reach 37 degrees, 38 degrees, or even 40 degrees at noon.

Their clothes are basically wet. Although they are very tired and bitter, they all look good, especially after measuring the last size.

"Finally re-measured everything again."

"There should be no problem, I can assure you of that."

"As long as there is no problem in the next test run, all the hard work will be worth it."

"."

After saying this, the technicians and quality personnel breathed a sigh of relief, as if they had completed a big task and could report to their superiors.

In the morning, the Engineering Technology Department.

There were many people sitting in the huge conference room, not only the minister Zheng Xianxue, but also several deputy ministers, the section chiefs, backbones and senior technicians of various technical departments below.

The Chief Constructor Chen Shaohua and Deputy Chief Constructor Xie Xinjian are also sitting here. This meeting mainly discusses the upcoming power system test run.

This is definitely a big deal for everyone!
The fourth update is here, today's update is here, thank you everyone!
It is still tiring to code four chapters a day, so I would like to ask everyone for support such as monthly tickets, recommendation tickets, collections, etc.It's the end of the month, and book friends who still have monthly tickets in their hands voted for this book, and a new month will begin soon. I hope we can achieve better results, and I also ask everyone for the support of monthly tickets in May.

(End of this chapter)