2TPH RO System water purification plant make drinking watertion
The 2TPH Reverse Osmosis (RO) system is suitable for applications requiring depth
fltering. More than 99% of all microorganisms, pyrogens, particulates, organics with a
molecular weight greater than 300, and up to 95% of all dissolved inorganic contami-
nants from the feed water are removed.
The 2TPH RO system is supplied on a skid consisting of precision flter ,H/P pump, RO
membranes,manifolds, valves, pressure gauges, fowmeters, a control panel and tubing.
The system skid and manifolds are shipped fully assembled, pre-piped and pre-wired.
See System identifcation for detailed description of the system components. The stan-
dard RO system is available in 380VAC(50 Hz) 1phase.
The control panel consists of a digital controller, an electronic digital interface and
display for the RO runing fowchart.
Feed water and operating parameter
Start-Up and shut down the RO system
Proper start-up of reverse osmosis systems is essential to prepare the membranes for operating
service and to prevent membrane damage due to excessive pressure/fow or hydraulic shock.
Following the proper start-up sequence also helps ensure that system operating parameters con-
form to design conditions so that water quality and productivity goals can be achieved.
1. Start-Up Sequence
1.Check all valves to ensure that settings are correct. Concentrate regulator and inlet valve is fully open.
2. Then switch on “Emergency stop(Power switch)”,“inlet valve ” ,“low pressure pump”to manual status .
3. Slowly open RO inlet regulator valve,use low pressure water at a low fow rate to fush the air out of the
elements and pressure vessels. Flush at a gauge pressure of 30 to 60 psi (0.2 - 0.4 MPa). All permeate and
concentrate fows should be directed to an appropriate waste collection drain during fushing.
4.During the fushing operation, check all pipe connections and valves for leaks. Tighten connections where
necessary.
5.After the system has been fushed for a minimum of 30 minutes, slowly and fully open RO inlet regulator
valve, Switch on “High pressure pump”to manual status ,increasing the feed pressure and feed fow rate to
the membrane elements until the design concentrate fow is reached. The feed pressure increase to the
elements should be less than 10 psi (0.07MPa) per second to achieve a soft start. Continue to send all perme-
ate and concentrate fows to an appropriate waste collection drain.
6.Slowly close Concentrate regulator valve until the ratio of permeate fow to concentrate fow approaches,
but does not exceed, the design ratio (recovery). Continue to check the system pressure to ensure that it does
not exceed the upper design limit.
7.Repeat steps "6" until the design permeate and concentrate fows are obtained
9.After the system to run for one hour,switch the permeate fow from drain to the normal service position.
10.Switch on “inlet valve ” ,“low pressure pump” ,“High pressure pump”to auto status. The system is running normally.
2.Operation Start-Up
Once the RO system has been started up, ideally it should be kept running at constant conditions. Start/stop
cycles result in pressure and fow changes, causing mechanical stress to the membrane elements. Therefore,
the start/stop frequency should be minimized, and the regular operation start-up sequence should be as smooth as possible.
3.Shut down the RO system
1.Make sure RO controlller connect the level sensor.
2.After the permeate water tank is full , the fushing valve will open and fush for 30 seconds!
3. Turn of “Emergency stop(Power switch)”and then the RO system will stop!
Maintenance
1.Filter cartridges, RO membranes replacing:
(1)PP Filter cartridge’s service life mainly depends on raw water quality, but normally they can service for 3
months if the raw water is from tap.
(2)RO membranes normally can service for 2-3 years. If you found the output rate is decreasing or TDS is still
high after chemical cleaning, please replace them.
Company Information
Ocpuritech, is a leading manufacturer of reverse osmosis system, Ultrafiltration system, Seawater Desalination deionized water system and filter cartridge in China.
A reverse osmosis manufacturer that has always prided itself on using top of the line components.
Ocpuritech has consistently embraced ethical business practices at every point in the design, quality, build and delivery, and complete before and after service.
With more than 10 year water treatment solution experience, since 2008 customers have turned to Ocpuritech to deliver the highest quality water treatment systems for their specific needs.
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