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Sand filter , it is the use of quartz sand as a filter medium, under certain pressure, the higher the turbidity of water through a certain thickness of the granular or non-grain Quartz sand filter, the effective removal of suspended solids in the water, organic matter, colloidal particles, microorganisms, chlorine, smell and some heavy metal ions, and ultimately to reduce the water turbidity, water purification effect of a high efficiency filtration equipment.
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Influent turbidity
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<20FTU
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Effluent turbidity
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<3FTU
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Sewage interception capacity
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5-15Kg/m3 (filter material).
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Working temperature
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5-60ºC (special temperature can be customized)
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Working pressure
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≤0.6MPa
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Inlet water pressure
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≥0.04MPa
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Backwash water inlet pressure
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≥0.15 MPa
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Pressure difference between inlet and outlet
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0.01-0.015MPa
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Working method
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Pressure type
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Operation mode
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Water flow from top to bottom
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Filtration speed
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15-100m3/h
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Operating cycle
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2-7 days
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Backwashing method
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water washing, or air-water combined backwashing
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Water consumption for backwashing
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1-3%
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Backwash intensity
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4-15L/s·m2
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Backwash time
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5-7 minutes
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Backwash expansion rate
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40-50%
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1. Used to require industrial water turbidity ≤ 5mg / L to meet the drinking water quality standards of industrial water, domestic water and municipal water supply system;
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