"When are you leaving?"

In the office, when I heard that Li Fanyu was going to the East Pacific in person, An Ning's face was full of reluctance. Recently, An Ning's mood has changed a lot, and he sometimes loses his temper with Li Fanyu, but he often sticks to him like a child.

Li Fanyu quietly touched her hair, "This time is different, if I go, it will be to see the underwater construction, mainly for the first time for the robotic arm to carry out field operations in harsh environments to collect data." If there is no problem, Liu Qing and they can do these tasks, and I will be back in a few days. “

An Ning nodded, and then said reassuringly, "Then you come back as soon as possible." “

Seeing her suddenly clinging to herself, Li Fan smiled evilly, "If you say that you can't live without me, you can't think about it if you don't see me for a day, then I can not go!"

"Phew!" An Ning plucked out a roll of his eyes, "Stinky beauty, you don't like to leave, so I don't bother to care about you!"

Li Fanyu shook his head helplessly, he couldn't understand what this woman wanted.

After receiving Liu Qing's call again, Li Fanyu and An Ning hugged each other, and after a few words, they walked downstairs and took a car to the Zhengxin special port next to the industrial base.

Liu Qing and the others have finished loading the ship, and they are waiting for him to get on the ship and leave.

In the past ten days, Zhengxin completed the modification of the working arm of the fifteen Jiaolong as the fastest, and it took another five days to test it in the sea off the coast of Tiancheng, but due to the environmental limitations, Liu Qing and others only did a simulation test of 5,000 meters below the sea and an actual environmental test of 2,500 meters under the sea.

That's why Li Fanyu, the chief designer, and Liu Qing and other technical backbones need to follow up, and bring a large number of spare parts and maintenance facilities. If there is a problem with the robotic arm working underwater, it can be solved at any time.

The whole world knows that the asking price of these new technologies is particularly ruthless.

However, all users of Zhengxin Power are particularly satisfied with the technical support and service in the pre-sale, middle and post-sales periods!

Almost all Zhengxin Power products, whether it is a large ship engine, a 1911 general engineering platform, or a vole digger, after all the products are sold and delivered, Zhengxin will shoot the team of drills to follow up for a period of time. It does not matter which country the user is in or the size of the user's order.

On the one hand, the matching of collection and use and other supporting conditions, on the other hand, Zhengxin's team will also provide complete technical support to ensure that there are no problems after the product is put into use.

It is precisely because of this strong service and technical support that Zhengxin Power's current products sell the best among all products of the same level.

This is all the more so when an order was made with the Marine Exploration Agency.

After intense negotiations, the Ocean Exploration Bureau agreed to pay 1.5 billion yuan upfront and guarantee that if the manganese nodule mining area in the eastern Pacific Ocean is successfully mined, Zhengxin will be provided with a supply period of 10 years at cost price for rare metals produced in the mining area.

Actually, this agreement would definitely not work if it was placed in normal times, but in order to make Zhengxin contribute, the above pinched his nose and recognized it after research.

After all, there is now less than half a year left in the mining period. If the project is not completed by the deadline, then it is not the time to sacrifice this little profit!

The special cargo ship carrying Li Fanyu and others and more than a dozen Jiaolong sailed towards the waters of the eastern Pacific Ocean at maximum speed.

The giant ship is working overtime at sea, and in the activity room of the cabin, Zhengxin's technicians are also in full swing to explain the project decomposition and technical points in the acceptance of CNOOC and the Offshore Exploration Bureau.

"In seabed mining projects, we need to look at the impact of seabed minerals on seawater and sedimentary biological resources. We originally prepared to use the inefficient, but also the easiest way to mine deep-sea manganese nodules, that is, a single ship and a single bucket. However, the mortgage was not submitted to the International Association of Oceans, which requires seabed mining to take into account the impact of the mining process on marine life and renewable resources, according to the International Seabed Resources Association and the Ocean Association. Therefore, we can only be forced to adopt the current international mainstream CLB-II deep-sea mining scheme. ”

"This mining solution, also known as the hydraulic lifting solution, requires us to have one or more subsea mining units, a corresponding number of ore lifting equipment, large towing vessels, and at least two offshore platforms!"

"We have spent 12 billion yuan from the Russian side to customize three sets of the most advanced Ikimir-type super-large suction mining vessels designed by the Moscow Mining Institute and produced by the Uriyan shipyard. And it is equipped with a set of water conservancy lifting equipment developed by the scientific research units under our bureau. This is our drawing, please take a look. ”

When they saw the large ship on the slide, which was not much worse than the Jingwei, the Zhengxin engineers present let out an exclamation.

The suction mining ship is not only large, its underwater structure is quite complex, and the whole set of power device is composed of more than 20 parts such as conveyor belt, drum, drainage pipe, compressor valve, reflector, etc.

The complete drawings, which look like a large ship, under which are two submarines dragged side by side, pulling two "shovels" with thrusters at the very bottom of the water.

The whole workmanship part is quite impressive just from the drawings.

"As you can see, the efficiency of this operation is the highest among the most advanced manganese nodule mining methods in the world. But again, this type of operation is also very difficult to assemble. Unlike conventional assembly on the water, it needs to be assembled in the water or even in the deep sea. And once the equipment is damaged, it is also a particularly difficult point to avoid maintenance problems. ”

Looking at Xing Dongliang's helpless appearance, all the engineers of Zhengxin smiled knowingly.

Maozi!

How can the design be humanized?

"But the main problem at the moment is our two offshore platforms. ”

Xing Dongliang played the slideshow to the next page.

"Hydro-lift mining requires at least two stationary offshore platforms for the initial separation of manganese nodule ore. As you know, the so-called fixed offshore platform is a fixed position throughout its service life. There are three types of forms: pile type, rope type and gravity type. Because the waters of the eastern Pacific Ocean are too deep and the wind and waves are high, we are currently using a rope-type offshore platform. ”

"This kind of platform, also known as the mooring platform, is made of a prefabricated steel tower body placed on a subsea foundation block, and the surrounding area is anchored and tightened by steel cables. It is characterized by its suitability for sea areas with large water depths. However, the big question now is ...... Due to pressure and current problems on the seabed, our prefabricated steel tower cannot be placed. “

With a look of helplessness, Xing Dongliang released the pictures taken in the seabed work area.

Seeing the scene above, a considerable number of Zhengxin engineers let out an exclamation.