Automatic Rapid Sand Filter for Removing Solid Particles

Model NO.: YL-SSF-1000


Usage: Environmental Protection


Style: Vertical


Certification: CE, GS


Water Pump: 2 Units:One Work One Standby


Check Valve: 1 Piece


Working Pressure: 1.0MPa,0.6MPa


Power Supply: 220V,50Hz,Single Phase


Specification: to be practical


HS Code: 842121999




Type: Activated Carbon


Motive Force: Pressure


Performance: Efficient Filtration


Material for Expansion Tank: Carbon Steel


Safety Valve: 1 Piece


Gate Valve: 1 Piece


Max Working Temperature: 100 Centigrade


Trademark: YLD


Origin: Jiangyin, China


Automatic Rapid Sand Filter for Removing Solid Particles



A rapid sand filter is a Water Treatment device that uses sand or other grainy media to filter out the solid particles suspended in water. These suspended solids include dirt and other organic matter that cause water to appear cloudy or turbid. Rapid sand filtration is commonly used by municipal water treatment plants to clean surface and ground water intended for drinking water. It is also used to treat sewage and industrial wastewater containing biological contaminants before these waters are discharged to the environment.

Rapid sand filtration takes place in a tank containing one or more layers of grainy media, such as sand, anthracite or hard coal, garnet, magnetite, or other minerals. The total media depth typically ranges from 2-6 feet (about 0.6-1.8 meters). In many systems the incoming water, or influent, enters near the top of the tank and flows downward through the media. The outgoing water, or effluent, leaves through a drainage system called the underdrain that lies underneath the filter media bed.

As the influent travels through the rapid sand filter, many of the water-borne suspended solids become trapped above or within the pores between grains. This straining process is the primary mechanism by which solids are removed from the water. In addition, suspended solids are adsorbed onto the surface of the grains due to intermolecular attractive forces. Other physical, chemical, and biological processes also enhance solids removal during filtration.



The effectiveness of a rapid sand filter is highly dependent on the characteristics of the influent and the grainy media. Important influent properties include the concentrations, types, and particle charges of the suspended solids in the water. The depth of the media bed and the particle charges, sizes, and shapes of the grains are also crucial.



Technical parameters sheet for Shallow Sand Filter (Bypass Filtration Sand Filter)

model	Filter diameter	Height	inlet-outlet	filtration area	capacity
	mm	mm	mm	m²	m³/hour
YL-SSF-500	500	816	40	0.2	6~10
YL-SSF-600	600	874	40	0.28	8~14
YL-SSF-700	700	900	40	0.38	12~19
YL-SSF-800	800	960	DN50	0.50	15-25
YL-SSF-1000	1000	1200	DN50	0.79	23-39
YL-SSF-1200	1200	1400	DN80	1.13	33-55
YL-SSF-1400	1400	1600	DN100	1.54	45-75
YL-SSF-1600	1600	1800	DN100	2.01	60-100
YL-SSF-1800	1800	1950	DN150	2.54	75-125
YL-SSF-2000	2000	2150	DN150	3.14	95-155
YL-SSF-2200	2200	2250	DN150	3.80	115-190
YL-SSF-2400	2400	2100	DN150	4.52	130-210
YL-SSF-2600	2600	2400	DN150	5.30	145-225
YL-SSF-2800	2800	2500	DN200	6.15	155-240
YL-SSF-3000	3000	2600	DN200	7.00	170-255
YL-SSF-3200	3200	2800	DN250	8.15	270-320
YL-SSF-3400	3400	3000	DN300	9.2	350-400

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