Reverse Osmosis Desalination Equipment

The reverse osmosis seawater desalination equipment is a device that uses the principle of reverse osmosis technology to desalinate seawater.
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The reverse osmosis seawater desalination equipment is a device that uses the principle of reverse osmosis technology to desalinate seawater.

The composition of reverse osmosis marine water machine: water intake system, pretreatment system, seawater desalination and desalination system, energy recovery system, chemical cleaning system, chemical dosing system and equipment power supply and distribution and automatic control system. The whole set of equipment consists of pretreatment system, reverse osmosis system, electrical control system, cleaning system and dosing system.

The pretreatment system includes a water supply pump, a multi-media filter, a precision filter, and a security filter, which mainly processes large particle impurities, residual chlorine and fine particles contained in the raw water to ensure the influent water quality of the reverse osmosis system.

The reverse osmosis system includes a high pressure pump, a RO reverse osmosis membrane module, a pressure regulating valve, and a cleaning tank, and mainly processes the pretreated raw water into fresh water.

The basic process flow of reverse osmosis marine water-making equipment is: seawater is pumped into the pre-treatment system by the water supply pump, and after adding the bactericide and flocculant through the chemical dosing system, it is filtered into quartz sand and activated carbon filtration system.

After passing through the pretreatment system, the seawater enters the high pressure pump. Under the action of the high pressure pump, it flows through the high desalination rate roll membrane, and the pressure is increased by controlling the pressure regulating valve, so that part of the pure water in the seawater passes through the membrane and enters the porous collecting pipe. The tube exits the device and the salt is blocked on the surface of the membrane with most of the seawater exiting the device.

After filtering, the filtered water enters the 5um security filtration system after water quality reduction, pH adjustment and scale inhibitor addition. The filtered low-pressure seawater enters the high-pressure pump for pressure and the other enters the pressure-exchanged energy recovery device. The booster pump is pressurized and mixed with the high pressure pump effluent into the reverse osmosis membrane stack system.

The high-pressure seawater is partially formed into fresh water through the membrane under the treatment of the membrane reactor, and is adjusted into water and stored in a fresh water tank. The remaining high-pressure concentrated water is discharged into the pressure exchange energy recovery device to recover energy.

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