How to ensure the stable operation of seawater desalination equipment for small and medium-sized shi

How to ensure the stable operation of seawater desalination equipment for small and medium-sized ships?

by:Ocpuritech     2021-05-05
How to ensure the stable operation of desalination equipment for small and medium vessels writer:? Small and medium sized vessels is a common desalination equipment desalination equipment, it solves the problem of shortage of fresh water in many regions. The reverse osmosis seawater desalination equipment is unstable in actual operation. Here is a brief introduction on how to ensure the stable operation of the seawater desalination equipment for small and medium-sized ships. 1. Seawater pretreatment: Whether it is seawater desalination or brackish water desalination, feedwater pretreatment is the key to long-term stable operation of the reverse osmosis system. 2. Seawater sterilization and algae killing: Most seawater desalination projects use liquid chlorine, sodium chloride, copper sulfate and other chemical reagents to kill algae. 3. Coagulation filtration: The purpose of coagulation filtration is to remove colloids and suspended impurities in seawater and reduce turbidity. 4. Reverse osmosis seawater desalination: Seawater has high salinity, high hardness, and high equipment corrosion. Seasonal changes in water temperature make reverse osmosis desalination systems more complicated than traditional saltwater desalination systems. 5. Chemical adjustment treatment: In order to prevent the occurrence of insoluble inorganic salts such as CaCO3 and CaSO4 due to excessive seawater concentration during seawater desalination, reverse osmosis membrane and system pipe surface fouling and precipitation, seawater should be added. The scale inhibitor before entering the reverse osmosis seawater desalination system. 6. Removal of organic matter and odor in seawater: Seawater is greatly affected by the surrounding environment. The COD value of seawater is between 1.7 and 2.5 mg/L, especially in summer and autumn. Everyone can operate according to the above methods when using it, and it can also effectively protect the seawater desalination equipment of small and medium-sized ships.
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