How Fresh Water Generators Work (saltwater desalination)
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- เผยแพร่เมื่อ 25 มิ.ย. 2024
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Learn how fresh water generators work! This 3D animated video shows you all of a fresh water generators main parts, how it works and some of its design features. You will learn how to turn saltwater into drinking water via desalination!
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▶️Introduktion
How Fresh Water Generators (FWG) Work
Seawater is pumped to the condenser heat exchanger. Some of it passes through the condenser and then passes through the evaporator heat exchanger. Some of it is pumped through an educator/ejector and is discharged overboard. Some of the saltwater is siphoned from the condenser to the ejector in order to maintain a vacuum on the FWG shell.
Hot water is pumped to the evaporator where it heats the seawater. The hot water (often engine jacket water) is then discharged from the evaporator and returned to the hot water main circuit.
The FWG shell is placed under vacuum so that the hot water can boil the seawater at a temperature below 100 degrees Celsius. The seawater evaporates and exits the evaporator as water mist. The water mist passes through a demister and condenses on the condenser. The condensed water is distilled water and is pumped out of the FWG by a small fresh water pump. At this stage, the saltwater has been desalinated and the process of desalination is complete.
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Want to continue learning about engineering with videos like this one? Then visit:
courses.savree.com/
Want to teach/instruct with the 3D models shown in this video? Then visit:
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the best way to teach smone with smthng is to show the thing.....Thank you a lot=) I wish there would be much more of videos like this=)
This was a really great video explaining the functioning of an evaporator in a very thorough way. Thanks a lot!
There is a salt water desalination project at my village and so we do appreciate this kind of machine because we do struggle with fresh water. Thank you.
Very nice 3D View presentation. Explained everything in best possible manner. Thanks for sharing valuable videos for free for learning purpose.
Quality explanations and visual presentation. Thanks Jon
Thank you..for your brief explaining about fresh water generator. ....
Watching your videos alone made my life easy.
Glad to hear it
Thanks continue video like this
Thanks I've been looking for someone who can simplify ME like you do.
I needed to see the fresh water collection arrangement.
Thank u for this video
Thank you! i learned a lot from this high-quality video :-)
Happy to hear that!
Very nicely explained sir
Very informative. 👍👏👏
Please make a video on Oily water separator too which is used onboard.
Thank you sir
Excellent video, congratulations!
Thank you
Hello sir great video! Please do not stop making videos like these. Very interesting.
saVRee 3D can you make a video on tamrotor compressor on its working principle?
Great job. Nice explanation. Keep up the good work 🤙😊
Thank you! 👍
Very helpful
Nice video !
Best video in youtude regarding FWG. Thank you
Glad you enjoyed it! Thanks a lot.
great video. One small issue: there is no mist formation, only water vapor. The demister is only to catch tiny droplets that result from boiling.
Another good one !
Glad you like it!
I really love the way you teach sir... Lots of love to you ❤from india 🇮🇳
And pls provide me the link which you made in hindi... I really need this
AMazing video exlained with details ! But one question ! How is poured water enters the condenser (any small pipe we can not see on video ?} and why if we heat more the sea water passing it first from the condenser we help at procces of production ? Many thenks !
Sir please explain how salinity is check,and how salinometer work...thanks for video
Salinity is checked by means of a salinometer. The principle usually is based on the fact that when the water produced is via distillation, the conductivity of the produced fresh/distilled water will be very low ( because it will still have trace elements of minerals in it), and if there is excess carryover of salt during initial stages of fresh water generator operation, then the fresh water will have higher conductivity. So the conductivity of water is proportional to the salt content. It is preferable to have salt content of less than 6 ppm. This limit is slightly variable across areas.
Sir which principal u said is related to vaccum studies
Thank you so much sir
I really appreciate your way of teaching its really unbelieveable, how you come up with these 3D models and explain each part
You are most welcome
Please make these sort of videos on stern tube, oil lubrication of marine two stroke engine and marine auxilaries.
Nice
Thanks
We do make partial vacuum then why dont we get implosion on shells of fwg?
👌🏻
How the seawater is getting preheated in the condenser before entering into the evaporator??
If you are lowering the pressure of the vessel, the fresh water mist will be sucked out of the low pressure pipe. How is that prevented.
Does that vacuum line is connected above the demister or below? Ideally it should be below to promote evaporation but in video it shows above. Please reply
That is used to make hair
Sir your video is very interesting and good for somebody including me to understand ....but for a simple logic for the other how to produce a fw for a simple explanation for easy to understand why we produce a fw(fresh water) from a sw(sea water) its a long story sir...not offend sir....good luck some video sir...
не ну это лайк
🎯
3 questions:
Can you purchase such a generator, now?
If so, from whom?
What is cost to produce 20 tons of fresh water per day?
Many thanks
NO THIS IS FAKE if you want to make salt water use coollect you haiir and eat it then collect your urine and then boil it without hair then with hair then without and dont use a stove use a fire made of hair
Use 7 days old juggry watter...
UV
What's the difference between ejector and an eductor?
One is not the other