Golden Fishery

After seeing the cockpit and the crew cabin, the next step is the main event, the ice cabin.

Deep-sea voyages may even travel for one or two years at a time. The ice cabin must be reliable, because all the catches caught are in it. If there is a problem with the ice cabin, going to sea is a waste of money.

The most important thing about the ice cabin is the cooling effect. Hanks said that they installed the most advanced refrigerator on the General Christian according to Qin Shiou's request.

The cooling methods of fishing boats are similar, and there are generally three ways to preserve catches: chilled, coiled to keep chilled, frozen and refrigerated. The ice cabin of the Harvest can also achieve these three effects. The volume is even more different.

The most important refrigeration method for ordinary fishing boats is chilled refrigeration, using crystal clear ice cubes to freeze seafood, which can often keep seafood fresh to the greatest extent, and is low in cost and easy to operate.

There is only one small chilled refrigeration cabin on the General Christian, which is filled with about 100 tons of seafood.

The reason is very simple. The cooling effect of chilled fresh is the worst, and it can be kept fresh for at most ten days. For deep-sea fishing boats, this period of time is too short, unless the ship is preparing to go ashore to replenish oil, food, and fresh water. Some seafood is stored in the chilled cabin and sold immediately upon landing.

The next important thing is to keep the coil cold and freeze it.

The cost of these two cooling methods is relatively high, but if the cooling is successful, closing the cabin can greatly reduce energy consumption.

Hanks said: "Look, we used polyurethane rigid foam for the ice tank of this ship, which is rarely used in ocean liners because it is too expensive to build. But I have to say, it is worth the investment to get it." Get big profits. This material has a very good thermal insulation effect, and only needs a short additional cooling after the first cooling. Compared with the traditional polyethylene steel plate material, its thermal insulation effect can be increased by 400%. "

Qin Shiou took people to check the two kinds of ice tanks. The way to keep the coils cold and fresh is to have pipes to continuously spray cold air into them. Always keep it cold. Freezing and refrigeration means that after the seafood is sent into the ice cabin, the temperature is immediately lowered to below minus ten degrees Celsius, and it is frozen into ice cubes.

The inspection method of freezing and refrigeration is simple. Put a bucket of water in, and the machine will run rumblingly. Qin Shiou could see through the camera installed in the cabin that the water in the bucket froze at a speed visible to the naked eye. The bucket was full of water, but the frozen ice cubes were higher than the edge of the bucket.

This is a very interesting natural phenomenon, as we all know the principle of 'expansion with heat and contraction with cold'. But with the same mass of a bucket of water, ice is less dense than water, so eventually when water turns into ice, its volume will increase.

This property is important for living things,

Because if water is the same as most substances, the solid density is higher than the liquid density, then the water at the bottom of the river, the bottom of the lake and the bottom of the sea will be frozen first in winter, and the underwater organisms will not be able to survive.

Early life on Earth originated in the oceans, if ice could not float on the water. Even if there is life on earth, it will not survive the ice age safely. Therefore, this characteristic of water and ice plays an important role in the survival of life on earth.

After seeing the freezing effect, Qin Shiou nodded in satisfaction to Hanks. Said: "So, I'm going to look at the engine next?"

Hanks took him to the engine room at the stern, and proudly introduced: "The engine used by the General Christian is the pride of the ocean from the Pratt-Whitney group company, pp-type engine, which belongs to the new It is a low-speed two-stroke diesel engine of the first generation, and it is guided by an electric motor at the same time. It ensures that the ship can turn around flexibly at any time."

Founded in 1925, Pratt \u0026 Whitney Corporation is one of the two largest aero-engine manufacturing companies in the United States. It is also one of the world's major manufacturers of aviation gas turbine engines.

Of course, there is no separation of engines. The Pratt-Whitney group of companies also has a strong presence in marine engines.

The motor guiding the diesel engine is also the development trend of modern civil ships. The motor here should actually be called an "azimuth thruster", which can rotate 360°, making the ship more controllable and allowing the hull to move in any direction.

However, the most advanced ship engine is the superconductor motor that Siemens has been researching in recent years. This thing is super wear-resistant and can adapt to various polar environments, such as the exploration of the Arctic Ocean.

After the inspection, everything is fine. Qin Shiou needs to sign the receipt contract, and the next step is to pay the final payment.

Qin Shiou looked at the contract, pointed to the name of the ship and said, "I want to change the name of this ship. You will negotiate with Shipping, and you will help with the procedures. I don't want to be called General Christian anymore, but Melon. If This name cannot be registered, so change it to Melon Princess."

With Hanks' calmness and wisdom, he couldn't help but gasp after hearing this name: "Melon? This name is a bit weird."

Qin Shiou smiled kindly, and asked casually, "If you heard a little girl named Melon, how would you feel?"

Hanks thought for a while and said, "If it's a cute little girl, then this name would be great. Melon is a very delicious fruit. Using it as a name will make me feel that this little girl is like a delicious melon. Charming."

Officer Qin was overjoyed when he heard this. He patted Hanks on the shoulder vigorously and said, "You have great taste, I have to admit, buddy, no wonder we can always do business together."

When Qin Shiou left, the sea monster looked at Hanks strangely and said, "You actually think that a name like Melon is suitable for a little girl?"

Hanks patted him on the shoulder and said: "Since my client likes to call his daughter Melon, why should I not like it? Besides, this is not the first time I have spoken nonsense against my conscience."

The sea monster laughed loudly, then felt something was wrong, and asked in amazement: "How do you know that Qin's daughter is called Melon?"

"Melon Princess, man, if you just had a daughter and you named a ship the Melon Princess, isn't it simple what that means?" Hanks pointed to his head, feeling the sea monster IQ is worrying.

Qin Shiou took an all-round picture of the fishing boat, and then returned to the hospital to show it to Wei Ni, and said proudly: "I decided to name this boat the Melon Princess, what do you think?"

Winnie said excitedly: "It's great, my dear, I really like this name so much."

"But," the subject changed, and Wei Ni deliberately showed a gloomy expression, "When will the Queen Wei Ni come out?"

Qin Shiou immediately took out his mobile phone and said, "I'll add another fishing boat right away, it's called the Queen Winnie!"

Winnie snatched the phone with a smile, waved her hand and said, "Forget it, I won't argue with my daughter. Let's name this fishing boat after her. I'm waiting for your luxury cruise ship!"

Qin Shiou picked up Weini and said tenderly: "There will be, my dear, there will definitely be this ship." (To be continued)