Water purification equipment usually need to do what maintenance?
Maintenance of water purification equipment must pay attention to water flow monitoring, water quality monitoring, water pressure monitoring, regular cleaning of components, long-term shutdown protection, short-term shutdown protection.
1, water purification equipment, total water intake (i.e., the sum of produced water and concentrated water)
RO inlet valve to control, if the reverse osmosis water intake does not change, do not mess with the RO inlet valve, prohibited full open or close; RO thick discharge valve is used to adjust the recovery rate, if there is no change in the recovery rate, do not mess with the thick discharge valve, absolutely prohibit the full open or close;
2, emissions control, due to changes in water temperature, operating pressure and other factors, so that the device's water production has also changed accordingly, this time the emissions should be adjusted, otherwise it will affect the device's desalination rate;
3, inlet temperature control, should be based on the actual amount of water, take the critical pressure (inlet pressure is lower than the value of the value of the desalination rate to produce a significant decline in the pressure value) can not satisfy the amount of water produced with the Water quality requirements of the lower temperature as the time period of the feed water temperature, which can reduce the attenuation of the membrane water;
4, the operating pressure control, should be in order to meet the water production and water quality under the premise of taking the lowest possible pressure value, which is conducive to reducing the membrane of the water flux attenuation, reduce the replacement rate of membrane;
5, strict control of water quality, to ensure that the device meets the requirements of the water quality of water indicators
6, summer water temperature is high in the operation of countermeasures: in order to ensure that post-treatment on the premise of the salinity requirements of the feed water, reduce the operating pressure, the implementation of decompression operations. This countermeasure is a priority countermeasures; according to the water supply requirements, take turns shutting down the equipment, but the shutdown time shall not be greater than 24 hours (summer), otherwise it is easy to cause bacterial growth on the membrane surface, increase the pressure drop; device shall not be shut down for a long period of time, at least 2 hours of operation per day, if you are ready to shut down for more than 72 hours should be used to chemically clean the device to the component filled with 1% sodium bisulfite and 18% glycerol to implement the protection; purified water Each shutdown and start-up equipment should be allowed to device in the water inlet pressure of less than 0.4Mpa flushing conditions for 10 minutes; operators should be recorded every hour on the operating parameters, including: influent (PH value, conductivity, pressure, SDI, water temperature), water (conductivity, flow, PH value), concentrated water (flow, pressure, and each section of the influent pressure).
7, when the water purification equipment occurs high and low pressure alarm, first check the security filter to the high-pressure pump between the manual valve opening is too small, and then check the RO water inlet regulating valve and the thick drain valve is normal, and then press the high and low pressure alarm reset button to restart the equipment;
Maintaining the water purification equipment requires professionals, do not operate at will to avoid damage to the equipment.