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There are many factors that affect the quality of the water produced by purified water equipment, and the inlet water quality is one of them, and the inlet water quality is also one
of the keys to the long-term stable operation of the purified water equipment.
Therefore, before the design of purified water equipment, the engineers of the design department will generally design the overall process by collecting and analyzing the raw water quality data of the customer's location, and when the water quality of the purified water equipment is poor, what solution can be solved? First of all, we need to understand the reason for its poor water quality, the inlet water quality of the purified water equipment may be due to the influence of individual areas by geology, resulting in a large amount of sand content and large mud content of the local water quality, if it is this kind of water quality, then it is necessary to do a good job of water quality pretreatment, to ensure that the water quality reaches the range of the reverse osmosis inlet index of the purified water equipment treatment, and then reverse osmosis filtration treatment, so as to ensure the normal operation
of the purified water equipment.
Figure 1 The pretreatment system of net DERUI purified water equipment is generally composed of multi-media filters, softeners and activated carbon filters, in which the multi-media filter uses quartz sand of different particle sizes to form several filter layers to remove suspended solids, colloids and other particles
in the water.
The water in the softener filter is exchanged through a sodium-based cation exchange resin, which reduces the hardness of the raw water to prevent scaling
on the surface of the reverse osmosis membrane.
Activated carbon filters play a role in adsorption and removing pigments, odors, organic matter and residual chlorine in water
.
Finally, it has to be mentioned that it is necessary to clean the purified water equipment regularly, because if the purified water equipment is not cleaned for a long time, it will breed a large number of bacteria, affecting the safety of water quality and the purity of water quality, resulting in the phenomenon that
the pure water produced by the purified water equipment is not up to standard.
