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    • GZT Fiber Filter
    • GZT Fiber Filter
    • GZT Fiber Filter
Product Details

1. Introduciton

GZT self-adjusting density fiber filter (patent No. ZL 2010 0190653.8) uses a new type of soft filler - fiber instead of the traditional quartz sand, anthracite and other granular filter media, which avoid the limitation of granular filter media size can not be further reduced. According to the principle of fluid mechanics, the filter makes use of the change of pressure and direction of filter water and cleaning water to make the fiber filter material compress automatically at the beginning of filtration, so that the particle size of the filter material can reach tens of microns or even microns.This greatly enlarges the surface area and free energy of the filter material, and increases the contact between the impurity particles in the water and the filter material. The adsorption capacity of opportunity and filter material is automatically loosened at the beginning of cleaning. The filter cancels the capsule and other artificial adjustment mechanism of fiber filter media density, and changes the manual adjustment into automatic adjustment, which not only simplifies the operation, but also greatly improves the reliability. It has a series of outstanding performance, such as high filtration accuracy, large output, and very reliable operation.

The adsorption capacity of opportunity and filter material is automatically loosened at the beginning of cleaning. The filter cancels the capsule and other artificial adjustment mechanism of fiber filter media density, and changes the manual adjustment into automatic adjustment, which not only simplifies the operation, but also greatly improves the reliability. It has a series of outstanding performance, such as high filtration accuracy, large output. 

2. Characteristic

 Filtration speed:30m/h, 3-4 times of the speed of quartz sand filter.

 Low resistance and energy saving

 Good performance:When the turbidity of inlet after coagulated is less than 20 NTU, the turbidity of outlet is less than 3-5 NTU

 The volume of the equipment is small:the volume of the equipment is about 1/3 times compared with the quartz sand filter with the same amount of water filtration.

 The capacity of interception is high:the interception capacity of the equipment is 6-10kg/m3 (filter media).

 Easy operation : Maintenance convenient and operation reliably


3. Comparison

(1)with quartz sand filter

Fiber filter

Quartz Sand filter

a)Compressible and elastic. The density and porosity of the filter layer increase gradually from top to bottom along the direction of water flow during filtration, so the filter material has high utilization rate and large capacity of contamination interception: 6-10kg/m3 filter material.

Incompressible rigid. The density and porosity of the filter layer are uniform. Most of the particulate matter is intercepted in the surface layer of the filter media. The utilization rate is low and the intercepting capacity is small: 1.5-2.0 kg/m3 filter media.

b)The specific surface area is large. Besides mechanical filtration, there is also adsorption function so the outlet is very clean.。

The specific surface area is small. Besides mechanical filtration, there is no also adsorption function so the outlet is not so clean as fiber filter.

c)The whole filter layer is formed naturally under the action of water flow, in a state of minimum resistance and slow growth

The filter layer is inherent, and the density distribution is the same . So resistance is growing rapidly.

d)A reasonable density distribution and adsorption capacity can obtain high filtration speed of more than 30m/h.

Inherent defects limit its filtration speed to less than 10m/h.

e)Because of its adsorption capacity, low-pressure air should be injected into the backwash at the same time,so the strength is bigger (60L/m2.S)and the time is longer 20-30 minutes.

Backwashing can be done without air washing. It usually lasts for 5 minutes.

2)with other fiber filter:

Floating orifice fiber bundle

Capsule extruded fiber bundle

Fibrous ball

a)The structure is simple, the operation is easy, and there is no consumption parts,so the service life is long.

Structure is complex,capsule is esay to be damaged,operation is difficult and the pressuer of capsule is difficult to adjust.

The structure is complex, the operation is troublesome, the agitator should be needed during cleaning,and there is consumption parts. But it is not easy to clean.

b)The filter media is polypropylene fiber bundle, which is easy to clean and has good filtration effect.

The capsule is easy to be aged and ruptured, and the filtered water runs in short, which affects the filtration effect.

Media is fibrous ball,it is difficult to clean,especially for long time operation.

c)High utilization rate of space.

Capsules occupy large space and low utilization rate.

The filter media is fibrous ball, and the ball is made by hand. It is easy to disperse by mechanical stirring, and the quality is not guaranteed.

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