Polyester Spiral Dryer Fabric for Paper Making Machine Product
DescriptionWoven Type Dryer ScreenIn the dryer section of
paper machine, the paper sheet travels around large-diameter heated
cylinders, where the balance of the water is removed by
evaporation. Dryer screen hold the sheet tightly in contact
with the cylinders through the dryer section. Constructed of
monofilaments, dryer fabrics must be heat resistant, rugged, and
designed for both drying efficiency and
runnability. Huatao leads the industry in China in the
design and application of dryer products, including the pin seam,
active air handling, and heat-resistant fabrics.Dryer fabrics are
fully resistant to hydrolysis and able to withstand all heat and
humidity conditions in the dryer section. Most of standard types of
fabrics can also be made of polyester yarns.
Polyester dryer screen are suitable for drying positions
where the whole dryer screen is hydrolyzed. Polyester can
considerably extend the service life of the fabric and help avoid
the risk of its failure during the operation of the paper machine
because of decreased fabric strength.Spiral Type Dryer ScreenThe
spiral dryer fabric is a specially engineered paper machine
clothing for the drying sector in the paper mill, also widely
deployed in many other industries like food drying, nonwoven
conveying, printed textile drying, etc. The spiral linked dryer
fabrics featured for its continuous seamless screen, excellent
strength and abrasion & distortion resistance, greater and
adjustable ventilation.The unique seamless spiral linked screen
surface is ideal for the drying sector of mark sensitive papers,
and the application where a seam is unacceptable. Each spiral loop
could be joint, the seam is identical to the fabric body itself.
It's easy to install and repair to reduce downtime and increase
long-life of the seam to save cost, as it is well known the joint
is always the weakness of a circuit belt.Huatao's spiral
fabric belt for the paper dryer is made out by high-viscosity PET
yarn with hydrolysis resistant masterbatch additive, to achieve
much better durable properties and long service life. Normal
Polyester yarn is easy corrosive and degraded by the heat steam,
then become brittle and the integral dryer belt fabric have to be
replaced. The additive of hydrolysis resistance masterbatch
lengthens the service life 2-4 times more than the normal Polyester
under thermal (100c-170c) drying working condition.Comparing to the
woven dryer fabric, the spiral dryer mesh belt has greater air
permeability and drying efficiency. Permeability is the crucial
parameter of a dryer fabric. Spiral dryer fabrics have greater air
permeability than other dryer fabrics under the same working
condition, it could help to lower the steam pressure in drying
cylinder, or fast speed under the same pressure. All these help
enhance drying efficiency and save at least 10% of the energy cost,
which is more economical.Huatao provides a broad range of
spiral dryer screen for every drying sector.According to the
yarn diameter and spiral ring size, we have small, medium and large
loop. The large loop use thicker yarn to get superior tensile
strength and ventilation, although coarse surface. And small loop
has thinner yarn, lesser air permeability and fine surface.The air
permeability is adjustable by insert round or flat yarns into the
spiral ring, to adapt different application and drying sector.Flat
yarn spiral dryer screen are also available, its greater sheet
contact area and lower permeability and caliper than the standard
spiral, suit for where woven products may not perform as
desired. At present, this type dryer screen permeability can
be less than 100CFM Woven TypeSpiral TypeRound / Flat yarn
dryer screenSmall loop dryer screenMiddle loop dryer screenBig loop
dryer screenDryer screen with filling yarn Our
AdvantagesUltra-Fine Fabric SurfaceHigh Performance at Aerodynamics
to Improve Heat TransferHigh Performance at Anti- HydrolysesGood
Seaming Structure, No Seam MarkEasy to InstallKeep Clean Running on
Paper Machine, Easy to CleanInstallation Assitance Available for
Fabrics of Different SizesGood Application in Paper Making and
Industrial Filtration Detailed Photos /* March 10, 2023
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