Acrylic needle felt filter bag

  • Product :

    Acrylic needle felt filter bag

  • Application :

    Applied for dust collection of cement production line with capacity from 1000tpd to 12000tpd

  • Working condition :

    Low temperature

  • Apply temperature :

    ≤125℃, Peak temp.:140℃

  • Dust content inlet :

    ≤1300g/m³

  • Performance :

    ≤10mg/Nm³

  • Warranty :

    3 years

  • Contract :

    EP/EPC

  • Delivery :

    Sea/air/inland transportation

  • Payment terms :

    T/T, L/C or Others

Product Selection

Technical Data

Product Features

  • It has good resistance to organic solvents, oxidants, inorganic acids and organic acids, good hydrolysis resistance and also has anti condensation function. It can be used in low temperature, humidity and chemical corrosion conditions.


  • Acrylic fiber has good acid resistance and SO2 and NOx in flue gas have little effect on its mechanical properties.


  • The continuous working temperature is 125 ℃ and the instantaneous temperature can reach 140 ℃.


  • The high temperature resistance of acrylic filter material is poor and the tensile properties in meridional and dimensional directions decrease with the increase of temperature after temperature exceeding 125℃.During operation, the temperature of flue gas shall be strictly controlled.


Erection Procedure

Transporting the whole carton of filter bags into the air purification chamber through the manhole door. The filter bag must be transported in the whole carton otherwise the filter bag is easy to be scratched.
The whole carton of filter bags shall be stacked neatly in the air purification chamber.
Distributing filter bag installation protective sleeves to filter bag installation workers.
Putting the filter bag protection sleeves into the tubeplate holes.
Inserting all the filter bags into the tubeplate holes and taking out the protective sleeves.
Bending the elastic ring of the filter bag with both hands. The groove of the outer bag mouth is aligned with the edge of the tubeplate hole. The bag ring is tightly attached to the tubeplate in the whole circle and evenly tensioned.
Usually, a "snap" sound can be heard, which means that the opening of the filter bag has been clamped with the tubeplate hole. If it is not clamped, press it by hand or gently tap the periphery with a rubber hammer until it is tensioned.
Please notice to install backward from the tail end of the jet pipe to the manhole door, which can avoid workers from stepping on the elastic circlip of the filter bag.

Manufacturing Process

Quality Control

Product Selection