1. Clean the pressure gauge connection nozzle and observation window once a month, and check the working condition of the exhaust valve of the water treatment equipment in the swimming pool; 2. Check the accuracy of the pressure gauge and flowmeter readings every 3 months, and 3. The manhole should be opened once a year to check the corrosion of the contact surface between the filter medium and the filter of the swimming pool water treatment equipment and the quality of the sand layer, and add new filter materials to the design height; 4. Quartz sand filtration The filter material and activated carbon adsorption filter should be supplemented once a year; the filter material and supporting layer of the swimming pool water treatment equipment should be replaced every 5-7 years, and the filter shell and internal accessories should be overhauled, replaced or anti-corrosion Treatment; 5. After the diatomite filter is backwashed, when the pressure difference between the inlet and outlet pipes remains unchanged, the filter cloth inside the filter should be cleaned. Work records of filters and activated carbon adsorption filters: 1. The initial time of operation of each filter, the time of termination of backwashing, and the number of operating hours; 2. Each filter should record the opening and final water inflow for each opening session 3. The backwashing intensity and backwashing duration of each filter; 4. After the backwashing of each filter is completed, when the pressure difference between the inlet and outlet pipes remains unchanged, swimming Clean the filter cloth inside the filter of the museum water treatment equipment.
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