Precautions about Installation of Reverse osmosis equipment

The installation of Reverse osmosis equipment mainly is the installation of membrane elements and the connection of pipes. When loading membrane element, suggest to use some lubricating material to the section with the sealing ring to make it more convenient. Be careful not to smear too much lubricating material on the connection, or it may cause pollution on membrane element.

Basic principle of Reverse osmosis equipment

The principle is that the water and the solution are separated by an osmotic membrane. If the pressure on the solution phase is greater than the osmotic pressure, the water in the solution phase will permeate in the opposite direction of the water. Reverse osmosis is used to obtain desalinated water, that is, the raw water passes through the osmosis membrane under sufficient pressure to become pure water, and the concentration of water dissolved and suspended solids that do not pass through the membrane gradually increases.

For a specific pure water system, the long-term stability of its performance is indispensable. The success of the long-term performance of the RO system depends on normal operation and maintenance, including the commissioning of the entire system, start-up and shutdown, cleaning and maintenance, etc. The prevention of surface fouling and scale should not only be considered in the pretreatment design, but also the proper operation is extremely important. At the same time, the preservation of records and the daily report of RO operating parameters are very important. These data can not only reflect the actual operation of the system, but also take correction reference for action.

Environmental requirements for Installation

1) The equipment should be placed indoors so as not to accelerate the aging of the mechanical parts of the equipment.

2) Where the equipment is located, there should be a drainage ditch. The maximum displacement is 1.5T/H.

3) Where the equipment is located, there should be lighting facilities for easy operation.

4) At the location of the equipment, sufficient operating space should be reserved for operation and maintenance.

5) Equipment should avoid contact with corrosive fumes.

Maintenance about reverse osmosis equipment

1) After each shift of water production, the reverse osmosis components should be flushed for 20 minutes

2) With the increase of operation time, sediment will adhere to the surface of the membrane, which will affect the water permeability, so it is necessary to clean the RO element regularly based on different pollution conditions.

3) High pressure pump should be checked and maintained frequently, and the lubricating oil should be replaced timely.

4) Regularly check the conductivity meter and pressure gauges to ensure the performance.

5) If the equipment be shut down for a short period of time (not more than 3 days), the cartridge filter can flushed under low-pressure for 0.5 hours every day to ensure there is water inside the equipment.

6. If the equipment be shut down for a long time (> 3 days), 1% formaldehyde solution should be used to fill the membrane element, and then all valves should be closed and checked once a month.

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