Shijiazhuang Huatao Import and Export Trade Co.,Ltd

DESCRIPTION:

Dryer screens can be classified depending on the weaving structure and divided into the woven type and spiral type. Huatao has developed a wide range of spiral dryer screens to meet each client's needs helping to reduce operating costs through energy efficient solutions. Also called spiral link dryer fabric or SLDF, the spiral dryer screen is assembled with spiral loops linked by a pin yarn inserted in the adjacent holes. Spiral fabrics are widely used in various industries as paper machine dryer screens, drying & conveyor belts, filter cloth, or screening media. Excellent materials are adopted to make the spiral fabric to protect against hydrolysis and high temperature conditions. Depending on the filler wire added to the spiral dryer screen, air permeability range from 100 to 1380 CFM. The selection of dryer screen 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. High numbers of contact areas with the drying surface ensure uniform drying. Proper choice of dryer clothing improves paper machine runnability, increased drying rate, improved paper quality, and saves energy.

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