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Water Treatment Plant Multimedia Filter

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Port: Shanghai
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 100 Set/Sets per Month Water Treatment Plant Multimedia Filter
Brand Name: YILIDA
testing pressure: 1.0Mpa
Place of Origin: Jiangsu China
material: carbon steel,stainless steel
Product name: Water Treatment Plant Multimedia Filter
working pressure: 1.0Mpa,1.6Mpa,2.0Mpa,2.5Mpa
filtering material: quartz sand,manganese sand,actived carbon
face pipe lines: carbon steel ,SS304/316
control: automatic control box,PLC, or manual
inlet pressure: 0.15-0.4 Mpa
Model Number: YL--SF-1600
average remove rate: 92%--96%
power supplying: 380V,50/60Hz,3 phase(could be customized)
Delivery Detail: Shipped in 25 days after payment
Packaging Detail: wooden/plywood case in to container Water Treatment Plant Multimedia Filter
Jiangsu YLD Water Processing Equipment Co., Ltd.
Supplier
CN
Manufacturer, Trading Company
≤8h
Response Time
100.0%
On-time delivery rate
US$ 9,000+
7
Transactions
11-50
Employees
1-4
R&D staffs
3
Patents
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Quartz Sand Filter

Water Treatment Plant Multimedia Filter

Pressure Sand Water Filter
Sand filtration is frequently used and very robust method to remove suspended solids from water. The filtration medium consists of a multiple layer of sand with a variety in size and specific gravity. Sand filters can be supplied in different sizes and materials both hand operated or fully automatically.

Raw water pump is used for generating necessary operating pressure in the pressure sand filter. Raw water is passed through Multigrade Sand Filter at a pressure of 3.5 kg / cm2 to reduce the suspended solids present in the raw water.

The filter will effectively remove up to 30 – 50 micron of the suspended solids to less then 5 ppm. The filter will have to be washed with raw water for 20 to 30 minutes daily. To filter the partials below 30 – 50 micron cartridge filter is used.


Water Treatment Plant Multimedia Filter Benefits

Pressure sand filtration is contrasted to Slow Sand Filteration by increased flow rate, method of cleaning the filter bed. A rapid sand filter can operate up to 40 times faster than a slow sand filter. Rapid sand filters are cleaned often, usually daily, by reversing the flow of water through the entire filter bed, referred to as backwashing Slow sand filters are cleaned less frequently by removal of the top layer of media.


Filter Bed
The most effective is a coarse to fine pore size (the hydraulic radius of the stream line between particles). This allows for a more complete use of the bed area and reduced backwash frequency. Mixed media filter beds are the most common. An ideal mixed media bed may be composed of approximately 30-60 inches of granular media with the following makeup, from inlet to outlet:

12 - 18 inches of anthracite coal with a specific gravity of 1.5 and grain size of 0.7 - 2 mm.. The anthracite has a larger, more angular particle size to trap particulate matter before it gets to the sand layer and clogs it. Anthracite's lower specific gravity allows it to remain on top of the sand layer after backwashing. The anthracite layer also allows a lower backwash velocity to give the same bed expansion than if sand alone were used.

9 - 16 inches of sand - this can be composed of two types.


Silica sand is used in the top 10 - 16 inches. Specific gravity is 2.5 and grain size ranges from 0.4 - 0.8 mm.
Garnet sand may be used in the bottom 3 - 6 inches. Specific gravity is 4.2 and grain size ranges from 0.3 - 8 mm.

The higher specific gravity of garnet allows a finer pore size without the danger of mixing layers during backwashing. After the larger particles have been trapped by the anthracite, the sand media traps the remaining particulate matter by a combination of adhesion and straining.

16-24 inches of 3-6 carefully graded layers of successively coarser gravel. Preferred gravel size is 5 - 60 mm. The gravel maintains a consistent and diffused flow during filtration and prevents disruption of the sand layer during backwash.


Filter media selection (both size and type) may be the most important decision in a rapid sand filter design. Its selection is specific to each treatment plant and depends on the type of influent being filtered, media available and expected quality of effluent.
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Package&Delivery

Package: Plywood case or wood pallet included

Delivery: 15-20 working days after advance payment confirmed

Shipping methods: By sea or by air shipping, DHL or Fedex Express

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