Paper coating line for thermal direct paper
1.paper coating machine mainly include single-station release paper unit, blade coating, pneumatic open type hot air drying system, back coating wet Mizube, dryer coherent states finishing department, two roll calender machines, single station automatic correction reel, drive unit and electrical control nine parts. Drives with frequency step motor drive. The machine has a simple structure, easy operation and maintenance, loss of paper rate, etc.
2. Hot air drying system
This machine adopts three 4 m hot air oven, oven a total length of 12 meters. The system includes hot air oven, heating fans, heat exchangers, thermometer and hot air ducts.
Heat oven to pneumatic open type oven, oven body is made of welded steel, insulation thickness of 80 mm, box packaging material selection, color steel plate, galvanized sheet inside the package chosen. Hot air nozzle is stainless steel making. Each oven is equipped with four guide rollers, guide rollers with gear.
Air within the oven through the fan recycling, and add fresh air, the temperature of the air in the heat exchanger by regulating the steam pressure control.
Welded steel duct. Temperature coated paint.
Heating air blower 3 sets
Boiler centrifugal induced fan, power 7.5KW.
3 sets of heat exchangers
As steel aluminum fins, vapor pressure ≤ 1.0MPa.
Each set of four, each radiating area 35m2.
Guide roller 140 × 1300, a total of 12, hard chrome plated roller body.
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