The pure water flow rate is a point for testing pure water equipment, and it is necessary to adjust different inlet and concentrated water flow rates for different effluent quality to ensure that the purified water meets the ideal requirements. So how to debug the flow rate of pure water equipment?

1. Adjustment of water leakage flow rate for pure water equipment

The leakage flow rate increases, and the pressure of the control module also increases relatively. If it exceeds the solution scope of EDI, the water output will significantly deteriorate. Therefore, when the conductivity of water leakage is relatively high, it is essential to adjust the flow rate of water leakage moderately. When the conductivity of the leaking water is relatively high, the flow rate of the leaking water can be increased within the allowable range of the working pressure of the EDI pure water equipment system software to improve the efficiency of water production.

2. Adjustment of concentrated water flow rate in pure water equipment

The change in concentrated water flow rate is another factor in adjusting the balance of system software, which poses an immediate threat to the current level in pure water equipment system software. The flow rate of concentrated water is also related to the removal of weak ion Si. Because the solubility of Si in water with a pH of 6-8 at 25 ℃ is 120mg/L. Therefore, when the extraction ratio of water leakage reaches a certain level, Si will become saturated in concentrated water, making it impossible to carry out deeper silicon removal. This is one of the standards for clarifying the low limit of concentrated water flow.

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