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Correct Maintenance Method for Shallow Sand Filter

September 12, 2024
Installation and commissioning precautions:
 
1. Operators must hold an operation card and be operated by a dedicated person.
 
2. If there are obstacles around the filter, they should be removed in time.
3. After the filter is repaired, check whether the connection and fit of each component are firm and whether the tightness is appropriate.
 
Operation sequence: Note that the equipment is bypass installed:
 
1 Sand loading: The inlet and outlet valves of the equipment are closed and isolated from the on-site system. The coarse and fine sand are loaded into the tank in turn. After loading one type, the surface should be flattened before loading the next type. Each tank is loaded in turn.
 
2 Sand washing: The initial state of the equipment is the filtering state. Only the inlet valve and drain valve of the equipment are opened, and then the sand in each tank is manually cleaned in turn. The clear water is qualified. The cleaning time of each tank is about 15 minutes.
 
3 Filtration starts: Open the inlet and outlet valves of the filter. The operation and backwashing pressure of the filter are adjusted by the outlet valve. During backwashing, the outlet pressure should be kept above 0.25MPa to achieve the best cleaning effect.
 
4 Backwashing operation: When the filter runs for a certain period of time, the filter residue will block the gap, causing a differential pressure to form in the inlet and outlet pipes of the filter. The pressure difference value can be observed from the inlet and outlet pressure gauges. When the pressure difference reaches the set 0.1Mpa, or when the set filtration time reaches 4h, automatic backwashing is performed.
 
Equipment maintenance and care:
 
1 Check for water leakage
Check whether the sealing parts and auxiliary valves of the equipment are leaking. If there is water leakage, find out the location and cause of the leak and stop the leak in time.
 
2 Check for vibration
 
3 Whether there is abnormal vibration when the valve is opened and closed. If there is vibration, find out the cause and take timely solutions.
 
If you need Shallow Sand Filter,Multi Media Filter, Quartz Sand Filter,Sand Media Filter ,Self Cleaning Filter,Automatic Filter,Basket Filter,Automatic Back Wash Cleaning Filter pls contact HUATAO.
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Author:

Ms. Janet Wang

Phone/WhatsApp:

++86 17736903537

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