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The selection of multi-media filters, activated carbon filters, security filters and resin tank models mainly depends on the flow of water from the RO terminal and calculates the pre-treated flow rate by the utilization rate of RO equipment. Generally small RO water utilization rate of about 50---60%, large systems in 75%, not more than 80%.
examples of related problems: assuming a level RO water production of 3 tons /h, recovery rate of 75%, pre-treatment of water production of 4 tons / h, not considering the pre-treatment of reserve water rate--- 0m/h, where the water production of 4 tons /h, according to the Q-SV(Q flow rate, S tank cross-section area, V design flow rate, S-R-2 tank diameter d-2R) can calculate the diameter of the tank, need to know can check the manufacturer's manual.
Activated carbon filter, activated carbon filter is generally designed to flow rate 10---12m/h, where the water production of 4 tons /h, according to the Q-SV(Q flow, S tank cross-sectional area, V design flow rate, water production 4 tons/h, S-R-2 tank diameter d-2R) can calculate the diameter of the tank, need to know the manufacturer's manual.
softener s softener general design flow rate of 15---20m/h, where the water production of 4 tons /h, according to the Q-SV(Q flow, S tank cross-sectional area, V design flow rate, S-R-2 tank diameter d-2R) can calculate the diameter of the tank, need to understand the manufacturer's manual.
It is worth noting that according to the above algorithm calculated that the size of the three cans is not the same, but many people in the market will see a lot of equipment tanks are the same size, and most of the tanks than the theoretical calculation value is much smaller.
reason why the tank is smaller is to reduce costs and save space, thereby increasing the design flow rate at design time, the tank size is the same reason is to make the equipment more beautiful.
, the cost is low, the space occupies small, the appearance of beautiful can be easier to sell.
actually gets worse.
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