Multimedia Filtration Pressure Filter Automatic Backwash

Product Details
Customization: Available
Type: Niphos Water Filter
Usage: Environmental Protection, Water Treatment
Manufacturer/Factory & Trading Company

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  • Multimedia Filtration Pressure Filter Automatic Backwash
  • Multimedia Filtration Pressure Filter Automatic Backwash
  • Multimedia Filtration Pressure Filter Automatic Backwash
  • Multimedia Filtration Pressure Filter Automatic Backwash
  • Multimedia Filtration Pressure Filter Automatic Backwash
  • Multimedia Filtration Pressure Filter Automatic Backwash
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Basic Info.

Model NO.
YLD-SF-1400
Motive Force
Pressure
Style
Vertical
Performance
Efficient Filtration
Certification
CE
Product Name
Quartz Sand Filter
Flow Rate
75-125 T/Hr
Inlet and Outlet Diameter
Dn150mm/6 Inch
Tank Size
1800*1950
Quartz Sand
Buyer Provided
Power Supply
380V/220V/110V 50Hz/60Hz
Control Mode
Automatic
Working Pressure
0.6MPa/1MPa
Working Temperature
5--40c
Working Flow Speed
20-35 M/Hour
Transport Package
Plywood Case Into Container
Specification
CE, SGS
Trademark
YLD
Origin
Jiangyin, Jiangsu
HS Code
8421219990
Production Capacity
5000 Sets/Year

Product Description

Multimedia Filtration pressure FIlter Automatic Backwash




Pressure vessels with sand or other loose media are widely used in industrial filtration applications. During the cleaning cycle, called "backwash", the bed is lifted (or "fluidized") to loosen the filter media and release trapped dirt which is removed in the backwash flow.
After the backwash cycle, the bed is allowed to settle before the filter is returned to service (i.e., normal flow). A "filter-to-waste" cycle is used following the settling to assure the filtration media has sufficiently re-stratified and that any loose dirt is removed from the underdrain / collectors.
 
 Multimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic BackwashMultimedia Filtration Pressure Filter Automatic Backwash

Multimedia filtration refers to a pressure filter vessel which utilizes three or more different media as opposed to a "sand filter" that typically uses one grade of sand alone as the filtration media. In a single media filter, during the "settling" cycle, the finest or smallest media particles remain on top of the media bed while the larger, and heavier particles, stratify proportional to their mass lower in the filter. This results in very limited use of the media depth since virtually all filterable particles are trapped at the very top of the filter bed or within 1-2 inches of the top where the filter media particles have the least space between them. The filter run times are thus very short before the filter "blinds" or develops so much head pressure that it must be backwashed to avoid seriously impeding or stopping the flow.
Multi media filters typically utilize three layers of media for multimedia filtration: anthracite, sand and garnet. These media are often chosen for use in multi media filters due to the distinct differences in their densities. Anthracite is the lightest filtration media per unit volume, followed by sand, and then garnet.

The Benefits of Multimedia Filtration over Conventional Sand Filters
Unlike traditional sand filters, multi-media water filters are composed of three filtration media, ordered in decreasing porosity. Because of their multi-layer design, multi-media water filters are able to trap and retain a far larger number of particles than traditional sand filters before backwashing becomes necessary.
Trapping sediment and particulates throughout the entire depth of the filter bed, allows multi-media water filters to operate for much longer periods of time than conventional sand filters. The process of multimedia filtration produces high quality, filtered water at much faster flow rates than traditional sand filtration.

Working principle:


For the by-pass filtration, the filter is installed in the main circulating pipeline to filter all the circulating water,
 but apart of the circulating water led from the main circulating pipeline is filtered, which is a repeated 
circulatininterception step by step to filter the impurities within the system and finally remove the impurities
 by thenecessary backwash out of the system. Installing a by-pass filter in the circulating water system can 
prevent the terminal pipe of device from sludge blocking and remove the impurities in the system with 
chemical dosing.
By-pass filtration is used to reduce the turbidity of the water circulation system, exactly, to reduce slime 
and 
prevent its deposition in the heat exchanger, so that the effect of agent will be better.
 
 
Generally speaking, if your filter is a quartz sand filter, it usually has two main functions:
1. To reduce suspended solids (turbidity). Otherwise, as the system is running, suspended solids increases
, which will exacerbate the deposition and other problems.
2. Degreasing. Especially the oily turbid circulation, such as steel rolling and continuous casting, has high 
oil content and is easy for breeding microorganism and blocking the nozzles.





Parameters 
Pressure rating: 0.25Mpa~2.5Mpa
Single filter flow :2-50 m3/hour 
Working temperature range: 0 ~ 65 °C
Effluent turbidity:less-than 3
Inlet and outlet Connection: flange
Backwash water: for total filtered water 1 to 3%
Control mode: pressure control; PLC timing control
Sewage way: automatic
Rated operation voltage: can be customized

Model

  Flow Rate
    (m3/H)

Inlet and outlet
(mm)

Filter area
(m2)

Diameter
(mm)

Height
(mm)

YLD-SF-800

15-25

50

0.5

800

960

YLD-SF-1000

23-39

50

0.79

1000

1200

YLD-SF-1200

33-55

80

1.13

1200

1400

YLD-SF-1400

45-75

100

1.54

1400

1600

YLD-SF-1600

60-100

100

2.01

1600

1800

YLD-SF-1800

75-125

150

2.54

1800

1950

YLD-SF-2000

95-155

150

3.14

2000

2150

YLD-SF-2200

115-190

150

3.80

2200

2250

YLD-SF-2400

130-210

150

4.52

2400

2300

YLD-SF-2600

145-225

150

5.3

2600

2400

YLD-SF-2800

155-240

200

6.15

2800

2500

YLD-SF-3000

170-255

200

7.00

3000

2600

 


Application:
Water treating, Raw water treating , Recycle water , Chilling water treat, Soft water treat
Agricultural irrigation ,such as Farms Water , Golf Water Filtration , Orchards and Groves Water Filtration , Vineyard Water Filtration  etc .
Papermaking factory
Steel and  lron plant
Petroleum Chemistry


 

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