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Question:

How do I filter the swimming pool filter?

How do I filter the swimming pool filter?

Answer:

filter in the operation process, the water inlet and the water outlet pressure difference did not reach 0.06MPa, and continuous operation is less than 5 days, but because of some special reasons, swimming pool water not emptying and general plan for a period of time and then re open the filter, the filter layer surface interception of waste material easy to harden, curing the filter layer and the inner wall of the filter for filter cracks, cracks caused by coating shedding, filtered water short flows to the water can not be effectively filtered.
in order to prevent the rejection of the waste material, the pressure difference between the inlet and the outlet of the filter is not up to 0.06MPa, but the filter has been running continuously for more than 5 days
If there is any of the following circumstances, deal with the filter backwash pressure difference filter: 1) run to the head loss of the filter material layer than the head loss of clean filter layer increased when 0.06MPa or reached the filter specified by the manufacturer, according to the information itself: the resistance loss of the quartz sand filter is about 0.02~0.25MPa.
Therefore, as the filter begins to filter the channel filter for backwashing, the time required is backwash frequency.
The frequency of backwash filter during normal operation, the filter layer surface due to many waste material, filter voids blocked, resulting in pressure loss increased, water decreasing, water quality can not meet the requirements of the update, then you want to wash the filter, wash away the interception of waste material.

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