Processing device and method of operating the device for processing a coated or uncoated fibrous web

Processing device and method of operating the device for processing a coated or uncoated fibrous web

  • CN 1,625,628 B
  • Filed: 01/29/2003
  • Issued: 08/08/2012
  • Est. Priority Date: 01/29/2002
  • Status: Active Grant
First Claim
Patent Images

1. treating apparatus that is used to handle the fibrous web of that be coated with or uncoated mistake, said processing is used in squeezing, drying, press polish, coating, applying glue, cooling or the printing to paper web, and said treating apparatus comprises:

  • Metal tape (2) extends around at least one director element (3);

    At least one opposed member;

    The outside that is arranged in said band is to form a contact area with said band;

    Thereby between band (2) and opposed member, be formed for squeezing, drying, press polish, coating, applying glue, cooling or print the paper web processing region of pending paper webIt is characterized in that;

    The length of this processing region can be through band (2) director element (3) layout/adjusting and/or through the design of said at least one opposed member (5) is confirmed, and the contact pressure that in processing region, is applied on the paper web is adjustable at 0.01MPa in the scope of 200MPa;

    Said opposed member comprises roller (5), and said roller (5) comprises hot-rolling, and the operating temperature of hot-rolling (5) and/or metal tape (2) is in-70 ℃

    to 400 ℃

    scope;

    Said metal tape has the thickness of 0.1-3mm, and has the tensile stress in 10MPa arrives the scope of 500MPa;

    Said band (2) is provided with heater (6) and cooling device (102), and said cooling device (102) is used for cooling off the edge of the said band (2) that said treating apparatus heated after the paper web moving direction is positioned at said processing region.

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