The dryer clothes or dryer screen or felt plays an important role in the dryer section. The drying section is one of the most energy consuming parts of the paper machine. About 60% of energies are consumed in this section. Hence the function of dryer clothes or screen absolutely vast.
The dryer clothes or felt have to some particular parameters such as air permeability, Aerodynamic Properties, Heat Transfer, Fabric Tension, Sheet Support, caliper etc. All dryer cloth are not suitable for all paper grades, such as 3-shed one layer and a half polyester dryer fabric are suitable for drying papers below 70g. On the other hand, 4-shed double layer polyester dryer fabric is suitable for drying papers above 70g. Whatever the characters of dryer clothes or screen are acid-proof, alkali-proof or high temperature resistance? Hence a specification of dryer clothes or screen is needed.
I include here the specification of dryer screen of a Paper mill industry.
Specification:
All Synthetic dryer screen (except SLDF type), Batt-on-mesh (BOM), Needled type to get smooth surface against the paper provided with suitable seam for easy installation.
- Basis Weight: 1400 gsm
- Air Permeation (CFM): 150 with special spiral seam 070
- Thickness (mm):
- Dryer Screen Size: 42.00×3.45 M
NB: Dryer clothes Sample and seam is to be submitted with the offer.
Need suitable dryer screen for:
M/C speed 180 M/MIN.Quality: 45 GSM Newsprint/50 GSMWriting paper.
1st GroupTop Dryer screen size–24 MX2.37 M.CFM—-250. GSM of screen ?
Monofilament screen preferre.