classification
 
PPS dust bag
2019/8/17 10:11:20 阅读次数:128

PPS fiber high temperature resistant with full strength properties and intrinsic chemical resistance, can keep good filtering performance in harsh environment, and achieve the ideal life. PPS fiber high temperature anti-oxidation ability is bad, cannot be used in the case of high oxygen content. PPS filter felt is ideal for high temperature filtration material, cost, less than high temperature filter material beauty, is a ideal substitute for beauty, filter material.

Our factory imported Japan toray PPS fiber, the production of PPS needled felt all index reached the international level. In view of the thermoplastic PPS fiber is excellent, our factory adopts imported full automatic technology, production of PPS fusion bag, the bottom of the filter bag, side and led ring joint method, method with hot melt welding, to avoid the traditional seam filter bag beside the resulting from uneven pinhole, material leakage problem, fiber loss issues are solved by this kind of full hot melt welding filter bag. High-precision wireless seam filter bag using digital with a multipoint welding equipment, to ensure that every point of the welding are the most strong and consistent.

PPS needled felt features:

1, the working temperature 170 ℃, short-time working temperature 232 ℃, melting point 285 ℃, limit oxygen index of 34 ~ 35.
2, oxygen levels at or below 15% of occasions are applicable.
3, fuel sulfur or sulfur oxide in flue gas, has proved its strong acid and alkali corrosion resistance, chemical resistance of fiber.
4, containing moisture in the flue.
5, under the condition of temperature 190 ℃ ~ 232 ℃ mining, gas cloth at 5:1 do on-line ash removal and gas making offline soot cleaning cloth than 6:1, PPS filter bag with excellent performance record.
PPS fiber has excellent thermoplastic, PPS filter bag hot melt bag can be made up.

Application:
PPS needled felt pulse is currently used in coal-fired power plant boiler soot cleaning bag filter to choose one of the main varieties of filter material. Filtering in coal-fired boiler, garbage incineration and power plant fly ash dust, pulse dust precipitator, PPS filter mat is the ideal filter material, in accordance with the conditions of different requirements, our company can do all kinds of functional with PPS needled felt, such as waterproof oil, PTFE impregnation, coating, laminating, etc.




Material

PPS+PPS fiber base cloth

PPS+ fiberglass base fabric

Weight ( g / m2 ) )

450

500

550

>800

Thickness ( mm )

1.6

1.8

1.9

2.0

Air permeability (  L / m2 / S  )

(m3/m2/min)

150

18

200

15

250

12

200 to 300

8-15

Breaking strength ( N/5 × 20cm  )

through

>1150

>1200

>1200

>2000

latitude

>1200

>1300

>1400

>2000

Elongation at break (%)

through

<30

<30

<30

<10

latitude

<30

<30

<30

<10

Breaking tension (  Mpa/min  )

2.7

2.60

2.45

3.10

Working temperature ( °C )

190

190

Instantaneous operating temperature ( °C )

232

232

Acid resistant

excellent

excellent

Alkali resistance

excellent

excellent

wear resistant

excellent

excellent

Hydrolytic stability

excellent

excellent

Post-processing post-processing method

High temperature hot pressing calendering, singeing

Twilight, singeing

   
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