Dryer Fabric, Dryer Screen, Paper Making Dryer Fabric
Dryer Fabric can be classified depending on weaving struction can be divided into woven dryer fabric and spiral dryer fabric.
We have launched a new flat yarn woven dryer fabric, which is a unique two-tier flat warp weave screen with controlled permeability, recommended for Unirun positions and high-speed machines. The higher surface contact area helps to increase the heat transfer with better sheet support thus lowering the energy consumption.
PPS yarn has better wear resistance and high-temperature resistance than PET yarn, with Huatao's special design, adding the PPS yarn to the edge of the dryer screen ensures higher life.
The selection of dryer fabric is depending on the various paper machine parameters such as paper grades, dryer cylinder configuration, dryer cylinder temperatures, air balance in the hood etc. Dryer screen design and materials are also very important.
For a particular paper machine, the permeability, design, and materials of the dryer screen should be adapted to make sure optimum drying from a drying section. The air permeability of the dryer screen has a great impact on the rate of evaporation of water. If the permeability is decreased, then it is a reduction in the drying capacity of the dryer screen.
The dryer screen, whose air permeability range between 700-1000cfm is used on the paper machine for producing higher gsm Kraft and board varieties. On the other hand, 200-400cfm dryer screen is widely used in medium and high-speed paper machines, and below these rage used in lower-speed paper machines. Proper choice of dryer clothing improves paper machine runnability, increased drying rate, improved paper quality, and saves energy.
Moreover, the dryer screen should have the following parameters or characteristics: Aerodynamic Properties, Heat Transfer, Fabric Tension, Sheet Support, caliper, heat resistance, wet-resistant, and should be less elongated at heat, durability, silent drive, easy to operant, etc.
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