69av免费视频-69av免费观看-6969精品视频在线观看-67194老司机精品午夜-亚洲综合视频-亚洲综合射

What is the working principle of seawater desalination equipment?

scanning: author: from: time:2023-06-28 classify:Industry Information

Seawater desalination equipment is often used to obtain fresh water from various ships, offshore platforms, islands and other fields, mainly using distillation and Anti-Infiltration Act. What principle does it use to turn seawater into fresh water.

ING_36822_01339

Principle of distillation method:

Distillation method is a method of simulating the natural water cycle. Seawater evaporates from the heat of the sun to form clouds, which condense into rain when cooled in the high air. The falling rain is freshwater. Using this main principle, various distillation desalination technologies have been developed, but they all involve converting electrical energy into thermal energy or using waste heat to evaporate water molecules from seawater into water vapor, achieving saltwater separation and then cooling to produce fresh water. This method is a traditional dilution method, but after continuous improvement, it still holds an important position to this day.


Principle of Anti-Infiltration Act method:

Reverse osmosis membrane is a kind of Semipermeable membrane with selective permeability, which allows water molecules to pass through. When the same volume of fresh water and seawater are placed on both sides of the membrane, the water molecules in the fresh water will naturally pass through the Semipermeable membrane and flow to the seawater side spontaneously, a natural phenomenon called osmosis.

When the flow stops, the water level on the seawater side will be higher than the fresh water level by a certain height, which forms a pressure difference, which is called Osmotic pressure.

案例2


If a pressure greater than Osmotic pressure is applied to the seawater side, the flow direction of water molecules will be opposite to the original seepage direction, and start to flow from the seawater side to the fresh water side. This process is called reverse osmosis.


By utilizing this principle, a high-pressure pump is used to pressurize seawater, allowing water molecules in the seawater to pass through a reverse osmosis membrane, thereby achieving the separation of water and salt.


The above are the desalination principles of two commonly used seawater desalination devices. With the advancement of technology and the continuous reduction of desalination costs, seawater desalination devices will be more widely used.



主站蜘蛛池模板: 国产日韩欧美在线观看不卡 | 久久久久久久国产高清 | 亚洲欧美国产精品专区久久 | 午夜欧美视频 | 黄色免费一级视频 | 亚洲国产精品免费 | 在线观看免费精品国自产 | 精品国产综合成人亚洲区 | 青青国产成人久久激情91麻豆 | 91中文字幕在线播放 | 快播电影网日韩新片 | 亚洲欧美色视频 | 国产精品一区二区三区四区五区 | 国产一区二区日韩欧美在线 | 一区二区三区四区亚洲 | 国产成人久久久精品一区二区三区 | 日韩欧美高清一区 | 国产成人麻豆精品 | 亚洲第一区在线观看 | 欧美色图日韩色图 | 99国产精品久久久久久久... | 国产成人高清一区二区私人 | 国产成人三级经典中文 | 99国产精品久久久久久久成人热 | 亚洲视频免费观看 | 国产精品视频一区麻豆 | 国产精品久久久久aaaa | 色妞综合| 亚洲欧美a | 国产91精品黄网在线观看 | 日本国产最新一区二区三区 | 久久精品综合国产二区 | 亚洲欧美日韩高清中文在线 | 中文字幕不卡在线 | 久久国产成人精品国产成人亚洲 | 国产精品视频一区二区三区w | 青青草国产免费国产是公开 | 国产高清a毛片在线看 | 蜜臀91精品国产高清在线观看 | 国产日韩欧美中文 | 一级毛片特黄久久免费看 |