30-500T/H Cooling Water Sand Filter Media Filter
1.Instruction of Shallow Medium Filter
Shallow Medium Filter (also with name of FQGsystem) is a kind of highefficiency filterequipment in cutting
down water turbidity, and purifying water. It uses silica sand asits filter medium. Under a certain pressure,
the muddy water come through the granular or nongranular silica sand, which can efficiently hold back
suspended solids, organisms, colloidal solids, micro-lives, chlorine, odour and heavy metal ions, etc.
It consists of several standard filter tank unit, with unique water distributor and water collector inside.
Theboth way automatic backwash valve can control all system's backwash process.
Shallow Medium Filter is mainly used in pretreatment in water turbidity removal, water softening, electrodialysis,electrodialysis reversal.
However, it makes function on surface water, under ground water as well. Shallow Medium Filter can also be
widelyused in fields of electronic power, petrochemical,metallurgy,electroplating, papermaking, textile, pharmacy,soft drinks, living water, industrial water, swimming pool, etc.
Shallow media filter can widely used at different application, such as water filtering, cooling water by-pass
filtering, waster water treating, etc.
1. Shallow media filter has flexible modules, which can combined under actual flow rate, on-site area.
It is operated backwash automatically, with time control, differential pressure control. Each filter element
start backwash one by one, while no need stop operation in backwash.
2. With smooth water allocation. High efficiency in backwash, water saving, only 30% water consumption of
traditional one. Filter uses ASM filter media, which is easy wash.
3. With unique 48" ball filtering unit, and light weight for the whole system. The normal concrete base can used
to place. Easy install, no need any boom equipment.
4. With good anti-corrosion feature.
5. With lost cost, but long lifetime.
6. Water quality: inlet water turbidity <80mg/L, outlet quality reach <20mg/L
inlet water turbidity <20mg/L, outlet quality reach <5mg/L
7. Flow rate: it can treat 30-500m³/h
Filter structure: main part includes filter tank, water distributor, water collector, hand hole and support
Filter tank: it gives enough space for water distributor and collector. Each water collector has 55 water
caps, which reforms a internal recycle flow when backwash, no sand leak.
Water distributor: it makes sure water flow smoothly on the padding sand media.
water collector: with 55 unique mushroom shape water caps makes sure water pressure in a balance.
It can reforms a internal recycle flow when back wash, no sand leak.
Hand hole: There have a up and down hand holes, which is easy for installing and replacing water
distributor and collector. Meanwhile, the upper hand hole, which is easy for inspecting and adding silica.
And down hand hole, which is easy for clear and repair.
Support base: it is assemble, it can adjust in according to on-site situation.
| QLQ48-1||QLQ48-2 ||QLQ48-3 || QLQ48-4|| QLQ48-5|| QLQ48-6|
|Inlet & outlet Diameter|
| 15-50|| 30-100|| 45-150|| 60-200|| 75-250|| 90-300|
| Maximum pressure(MPa)|| 0.6(1.0)|
| 1.13|| 2.26|| 3.39|| 4.52|| 5.65|| 6.78|
|total length (MM)|| (1320)|| 2640|| 3960|| 5280|| 6600|| 1920|
|Quartz sand(KG)|| 860|| 1720|| 2580|| 3440|| 4300|| 5160|
|Drain valve interface||4"×3"||4"×3"|
For some bigger flow rate, parallel filter system can be used for one time.
1, Filter medium and flow rate
|Filter material(12-40CM)||Recommend flow rate(M3/H)||Backwash flow rate(M3/H)|
|General filter||Quartz sand||40-50||35-55|
|Precision filter,||Quartz sand|
Other diameter silica sand can also be used, which reaches into function of filter precision and stain resistance.
1, Manufacturing materia
|Carbon steel(Epoxy asphalt coating paint)|
|Filter medium||Delicate natural quartz sand|
|Water distributor||Engineering plastics|
|Water collector||Engineering plastics|
|Sealing ring||Nitrile rubber|
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