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FMS 9806 dust filter bag for 350m3 blast furnace gas cleaning plant dry gas filtration

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Shanghai ShengXuan Environmental Engineering Co.,Ltd

FMS 9806 dust filter bag for 350m3 blast furnace gas cleaning plant dry gas filtration

Country/Region china
City & Province shanghai shanghai
Categories Filter Bags
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Product Details

 

FMS filter bag is the most suitable material used in blast furnace dry gas cleaning system.

 

This kind fabric is needle punched by 3-4 fibers together, it has high temperature repellent, good air permeability, easy to take offer cake advantage. Now widely used in dry GCP system.

 

Item

Thickness

mm

Weight

g/m2

Work temp.

Air permeability

dm3/m2.s

Tensile strength

25mm/N

Warp/weft

Velocity

m/min

FMS9801

2.2-2.5

>800

300

15-30

1600

1400

1-1.5

FMS9802

2.2-2.5

>800

240-260

15-30

1600

1400

1-1.5

FMS9803

2.2-2.5

>800

260-280

15-30

1600

1400

1-1.5

FMS9804

2.2-2.5

>800

180-210

15-30

1600

1400

1-1.5

FMS9805

2.2-2.5

>800

280-300

15-30

1600

1400

1-1.5

FMS9806

2.2-2.5

>800

280-300

15-30

1600

1400

1-1.5

FMS9807

2.2-2.5

>800

240-260

15-30

1600

1400

1-1.5

FMS9808

2.2-2.5

>800

200-240

15-30

1600

1400

1-1.5

 

The detail description of filter medium

For reducing resistance of filter media, except the special technology for laying the fiber , we also choose different diameter fiber to process, let’s the fabric can be graded structure, on the fabric surface ,there is super fine fiber, to increase the fabric filtration precision ,anti-acid and alkali ,and en-length the life of fabric. In the actual application , the efficiency as same as membrane coating fabric , but resistance is more lower.

1)Nonwoven fabric cross section choose graded structure , fiber diameter from thin to thick, there are 4 layers, surface super fine fiber layer--super fine fiber---scrim—thick fiber layer. The fiber more thin, the ventilation channel more compact.

Filter fabric structure :

From up( face to ash) to down

Surface: Polyamides+ Fiberglass layer

( fiber dipping and PTFE coating)

Main part: Polyamides + Fiberglass layer

Scrim: high tensile fiberglass woven fabric

Post surface: Polyamides +Fiberglass layer

 

2)Learning from the technology of membrane fabric.

We change the same diameter fiber to different diameter fiber, then blended together, turn the traditional filter media to graded structure filter media.

The method of filtration from “ surface layer +deep layer” to “surface layer” only. The super fine fiber layer can resistance smaller particles, the nonwoven fabric surface will be more compact, and easy to remove ash cake.

 

Surface filtration (b)surface +deep layer filtration (c) surface layer filtration

 

(1)Graded structure filter media (2) traditional filter media

 

3) Suitable filter media for India Blast furnace

While we visited and communicated with many India blast furnace, we found the dry GCP is most popular in small volume blast furnace ,less than 1000m3 .

China has full experiences in the operation of dry GCP ,and the filter bags are very maturity in operation.

FMS® is the first stage filter bags in dry GCP coming with the projects, we here come to introduce this kind material to you again and solve the filtration problem during operation.

 

Automatic sewing machine 

 

 

Strong SS snap band

 

Double force bottom 

 

 

 

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