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Title: Method and apparatus for drying web

Abstract

The present invention is directed to a method and apparatus for drying a web of paper utilizing impulse drying techniques. In the method of the invention for drying a paper web, the paper web is transported through a pair of rolls wherein at least one of the rolls has been heated to an elevated temperature. The heated roll is provided with a surface having a low thermal diffusivity of less than about 1.times.10.sup.-6 m.sup.2 /s. The surface material of the roll is preferably prepared from a material selected from the group consisting of ceramics, polymers, glass, inorganic plastics, composite materials and cermets. The heated roll may be constructed entirely from the material having a low thermal diffusivity or the roll may be formed from metal, such as steel or aluminum, or other suitable material which is provided with a surface layer of a material having a low thermal diffusivity.

Inventors:
 [1];  [2];  [3]
  1. (Atlanta, GA)
  2. (Kennesaw, GA)
  3. (Paducah, KY)
Issue Date:
Research Org.:
Institute of Paper, Science & Technology, Inc. (Atlanta, GA)
OSTI Identifier:
868224
Patent Number(s):
5101574
Assignee:
Institute of Paper, Science & Technology, Inc. (Atlanta, GA) CHO
DOE Contract Number:  
FG02-85CE40738
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; drying; web; directed; paper; utilizing; impulse; techniques; transported; pair; rolls; heated; elevated; temperature; roll; provided; surface; thermal; diffusivity; times; 10; -6; material; preferably; prepared; selected; consisting; ceramics; polymers; glass; inorganic; plastics; composite; materials; cermets; constructed; entirely; formed; metal; steel; aluminum; suitable; layer; paper web; suitable material; composite materials; elevated temperature; composite material; surface layer; material selected; composite mat; surface material; omposite materials; drying techniques; /34/

Citation Formats

Orloff, David I., Kloth, Gerald R., and Rudemiller, Gary R. Method and apparatus for drying web. United States: N. p., 1992. Web.
Orloff, David I., Kloth, Gerald R., & Rudemiller, Gary R. Method and apparatus for drying web. United States.
Orloff, David I., Kloth, Gerald R., and Rudemiller, Gary R. Wed . "Method and apparatus for drying web". United States. https://www.osti.gov/servlets/purl/868224.
@article{osti_868224,
title = {Method and apparatus for drying web},
author = {Orloff, David I. and Kloth, Gerald R. and Rudemiller, Gary R.},
abstractNote = {The present invention is directed to a method and apparatus for drying a web of paper utilizing impulse drying techniques. In the method of the invention for drying a paper web, the paper web is transported through a pair of rolls wherein at least one of the rolls has been heated to an elevated temperature. The heated roll is provided with a surface having a low thermal diffusivity of less than about 1.times.10.sup.-6 m.sup.2 /s. The surface material of the roll is preferably prepared from a material selected from the group consisting of ceramics, polymers, glass, inorganic plastics, composite materials and cermets. The heated roll may be constructed entirely from the material having a low thermal diffusivity or the roll may be formed from metal, such as steel or aluminum, or other suitable material which is provided with a surface layer of a material having a low thermal diffusivity.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {1}
}

Patent:

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