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How to Install And Use Shallow Sand Filter

October 25, 2024
Operation sequence of shallow sand filter:
 
(1) Shallow sand filter starts filtering. Close the filter inlet valve and filter outlet valve respectively. Open the filter bypass valve, wait for water to flow through the bypass valve for 1-5 minutes, open the filter inlet and outlet valves, and then close the bypass valve. The filter operation and backwashing pressure are regulated by the outlet valve. During backwashing, the outlet pressure should be kept above 0.28MPa to achieve the best cleaning effect.
 
(2) Backwashing operation. After the filter has been running for a certain period of time, the filter residue will block the gap, causing a pressure difference to form in the filter inlet and outlet pipes. The pressure difference value can be observed from the inlet and outlet pressure gauges. When the pressure difference reaches the set 0.05Mpa, or when the set filtering time reaches 5.0h, automatic backwashing is performed. If the filter maintains a high pressure difference after cleaning, the outlet valve should be closed to force a cleaning process.
 
Note: In order to ensure the best cleaning effect of the filter, the outlet pressure of the filter should be kept above 3.2MPa. Or
 
When the filter is being cleaned, the water outlet pressure should be maintained above 2.8 MPa. If the water outlet pressure does not meet the requirement, a pressure-holding valve should be installed at the filter
 
outlet to ensure that the pressure requirement is met during cleaning (0.3MPa)
 
Huatao Filter Professional in Multi Media Filter , shallow sand filter, Quartz Sand Filter, Automatic Filter,Scraper Self-cleaning Filter,Bag Filter,Ultra Precision Filter,Plate and Frame Filter Press ,Basket Filter,etc.
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Ms. Janet Wang

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++86 17736903537

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