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Just today, the first domestic large cruise ship, the Aida Modu, officially ended her second completed sea trial and returned smoothly. If the first sea trial is mainly to initially verify the function of the system and test the relevant overall performance, vibration and noise and other indicators, then this completed sea trial will be fully verified and submitted for the navigation system, propulsion system, fire alarm system, broadcast system and other contents of the whole ship. How this sea trial will complete the mission, and what kind of magic this sea giant ship has, let us follow the camera to get a sneak peek.
On the morning of the 7th, the Aida Modu slowly left Waigaoqiao Shipbuilding Pier 4. The six-day sea trial will be completed and submitted to the ship's navigation system, propulsion system, fire alarm system and other contents.
According to the test route, the Modu will encounter a shallow point when passing through the South Trough channel, and the chart water depth is less than 6 meters, which is a challenge for the Modu with a draft of more than 8 meters, and the Modu uses the tide to pass through the shallow point.
You Zhaodi, a first-level administrative enforcer at the command center of the Pudong Maritime Safety Bureau, said: "Considering that a large number of ships have to wait for the tide, this will cause congestion of ships, just like our morning peak and evening peak commute, so we will arrange patrol boats to escort the Aida Modu in the waters along the Waigaoqiao and let it enter the main channel smoothly." "
As the color of the sea gradually changed to deep blue, the Modu also entered the "state" of the exam. The wheelhouse is the brain and eyes of the entire ship, always collecting the monitored data and conditions everywhere and issuing corresponding commands.
The employee of the Aida Modu said: "There are monitoring here how to run below, all fire detectors, fire doors, watertight doors, all components monitoring status."
Pass through the layers of "levels" and you will find the deck where the driving force of the entire ship is located. This is the generator for the entire ship, 16.8 megawatts per unit, to propel the cruise forward. The power generated by the engine is concentrated on the distribution board, which is then distributed by the centralized control room. Individual validation projects in sea trials require the collaboration of compartments with different functions.
In addition to the final test of maneuverability items such as speed, if there is a danger, whether the lifeboat, emergency plan can ensure that the personnel on board can be safely evacuated, they must be checked, and there are marker points on each deck to inform the location, and the lifeboat is also fully equipped.
"There are ten rescue boats on the left and right sides of the lifeboat, and the lifeboat can carry 314 passengers, which is enough for the total number of passengers carried by the cruise ship." Guo Ziqing of the Pudong Maritime Safety Bureau said.
The emergency command is issued in the most mysterious cabin of the entire ship. "If there is a problem with the bridge you are using, you can go to the emergency bridge to carry out a series of operations, and once the ship has an emergency, you can also rely on your own power to reach the port closest to you." Chu Leipo, a first-class administrative law enforcement officer at the Ship Safety Inspection Center of the Pudong Maritime Safety Bureau, said.
The staff said: "After the simulated driving area is all on fire and out of function, my people must ensure that the equipment here can work normally within an hour, can maneuver the ship and return home, and can keep in touch with the outside world." ”
In this sea trial, there are more than 1,300 owners, service providers, engineers and technicians on board, and when the Modu is fully operational, it will accommodate more than 5,200 people at the same time. With so many people, how to dispose of the daily food waste and wastewater?
The perspective reporter learned that the wastewater generated on the ship, after the sewage treatment meets the standard, will be discharged into the designated discharge control area and cannot be discharged into the sea at will.
Zhang Jian, the third-level host of the Hazard Prevention Center of the Pudong Maritime Safety Bureau, explained: "We will look at the collection of various pollutants, the disposal of the ship, and its discharge or acceptance at the port, because the amount of garbage generated by the ship is relatively large, so it adopts harmless treatment." ”
In addition to sewage, the ship is equipped with dry and wet waste disposal systems. For recyclable solid cartons, cans and other items, they should be compressed and packaged, and uniformly recycled and transported away after landing, while the kitchen waste generated by wet waste will be incinerated after a series of stirring, dehydration and drying treatment, and the ash produced will be packed and sent to the shore for unified recycling.
Outdoor water park, sea-view cafeteria, sea theater... During the last sea trial, the various projects on the cruise ship were also seizing time, optimizing and sprinting.
Today, the Aida Modu, which has completed the sea trial mission, docked steadily, and people are looking forward to the next official passenger maiden voyage of the Aida Mordu, which will bring more surprises.
After the completion of the sea trial, all verification items have reached the standard, and the entire ship's systems and equipment have reached the delivery status. Large oil tankers, together with large liquefied natural gas carriers and aircraft carriers, are known as the "crown jewel" of the shipbuilding industry, and with the triumph of the trial of the Aida Modu, the mainland shipbuilding industry is about to officially collect these "three pearls", and the high-quality development level of the shipbuilding industry is further improved. The Ada Modu is expected to be delivered by the end of this year, truly starting to ride the waves.
(News Perspective Reporter Comprehensive Editor: Yu-chan)