KEYLIFE INDUSTRIAL FABRIC

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KEYLIFE INDUSTRIAL FABRIC

Polyester Mesh Belt in Horizontal Vacuum Belt Filter HVBF

Category: Vacuum Filter Fabric
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Polyester Mesh Belt
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Product Manual:Polyester Mesh Belt in Horizontal Vacuum Belt Filter (HVBF) to Separate Refuse/Tailing

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  • PRODUCT DETAIL


Polyester Mesh Belts in Horizontal Vacuum Belt Filter (HVBF) to Separate Refuse/Tailing & High Value Concentrates in Mining Industry, Monofilament Filter Fabrics, Monofilament Filter Belt, Polyester Filter Fabrics

Made by World-Class Heatsetting Tables and Weaving Looms





Polyester mesh belts for horizontal vacuum filters are used for filtration of very fine inorganic suspensions, especially in the mining industry, and for gypsum filtration in flue gas desulphurization (FGD) plants.

To increase the ability of the belt to filter very small particles, some mesh belts are made of the combination of PET monofilament and multifilament yarns (multifilament yarns filling apertures in the monofilament). One of the disadvantages of using multifilament yarns is a quick decrease in the air permeability of the belt during operation, because blinding occurs faster than usual and consequently the belt service life is shorter. In the past, we used different types of single or double layer monofilament belts with small apertures, capable of filtering very small particles without blinding. If the monofilament belt is to have a large amount of small apertures, small-diameter monofilament yarn has to be used. On the other hand, the bending resistance of the monofilament belt is lower than that of the multifilament belt. If the monofilament belt is installed on a large filter belt, the risk of rippling and damage to the belt will be higher.


Nowadays, we offer a new generation of mesh belts made of monofilament yarns. Thanks to their unique construction, they have great filtration and mechanical properties (including high bending resistance), which makes them suitable for wide belt filters with high demands on mechanical properties of the belt.

mesh belts for vacuum belt filters contain the common clipper seam or the clipper seam with
a textile overlap. Textile overlap prevents the cake from leaking into the filtrate and eliminates vacuum losses.

Basic Fabric Designs

Tex (150–350 CFM)

Tex is a mesh belt used for filtration of mining sludge in horizontal vacuum filters.

Examples of Application:

Filtration of coal dust in coal mines

Filtration of ground rock in copper mines

Filtration of phosphate rock

Production of phosphoric acid

Filter Fabrics for Filtration of Gypsum

FGD-Tex (10-30 CFM)

FGD-Tex is used in horizontal vacuum filters for filtration of fine gypsum particles in FGD plants.

Examples of Application:

Filtration of gypsum in FGD plants

Filtration of coal ash in coal fired power stations

FGD-Mas (55 – 80 CFM)

FGD-Mas is a new generation double layer mesh belt designed for filtration of gypsum in FGD plants.

Excellent filtration and mechanical properties of the mesh belt are due to the unique fabric construction. PET small-diameter monofilament yarns are used on the cake side to create a large number of very small apertures, while there are PET monofilaments with big diameters on the lower side to achieve high bending and mechanical resistance.


Main advantages of the FGD-Mas mesh belt:

Excellent filtration properties and weave stability

High air permeability throughout the fabric service life

High bending resistance in the cross-machine direction prevents the fabric from rippling

Belt service life is extended by 20–50% (in comparison with standard fabrics)

Specification

Style

022

Material

PET

Yarn Diametermm

warp

0.31*0.55/PET

weft

0.70/PET(Cambridge blue)

Air Permeability (at 125Pa)

L/m2.S

21502300

CFM

420450

Air Permeability (at 200Pa)

L/m2.S

27503000

CFM

540590

Water Permeability

(at 1200Pa)

L/m2.s

300330

Thickness

mm

1.26

Breaking Tensile

N/cm

1100

Elongation

(warp direction)

%

25.0

Elongation %

500kg/m

0.61

Weight

g/m2

810

Interception Accuracy

μm

230280

Application





KEYLIFE is a professional manufacturer of industrial fabrics in China. The plant ranks one of top 5 in the industry in the country, with a registered capital of USD 19 Million and an annual sale over USD 10 Million.



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