Dryer section of machines for making continuous webs of paper

DTEXTILES PAPER D21Papermaking D21FPAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON

D21F5/00Dryer section of machines for making continuous webs of paper

D21F5/001Drying webs by radiant heating D21F5/002from infra-red-emitting elements D21F5/003Shutter means D21F5/004Drying webs by contact with heated surfaces or materials D21F5/005in a fluid bed D21F5/006Drying webs by using sonic vibrations D21F5/007Drying webs by contact with sorbent bodies D21F5/008Drying webs by direct contact with gas flames D21F5/009Drying webs by centrifugal treatment D21F5/02Drying on cylinders D21F5/021Construction of the cylinders D21F5/022Heating the cylinders D21F5/024using electrical means D21F5/025using combustion gases D21F5/027using a heat-transfer fluid between the heating means and the cylinder shell D21F5/028using steam D21F5/04on two or more drying cylinders D21F5/042in combination with suction or blowing devices D21F5/044using air hoods over the cylinders D21F5/046using pocket ventilation systems D21F5/048in combination with other heating means D21F5/06Regulating temperature D21F5/08Arrangement of steam points in the cylinders D21F5/10Removing condensate from the interior of the cylinders D21F5/12Festoon drying D21F5/14Drying webs by applying vacuum D21F5/143through perforated cylinders D21F5/146Vacuum seals D21F5/16Drying webs by electrical heating D21F5/162Resistance heating D21F5/165Inductive heating; Capacitive heating D21F5/167Microwave heating D21F5/18Drying webs by hot air D21F5/181on Yankee cylinder D21F5/182through perforated cylinders D21F5/184Surfaces thereof D21F5/185Supporting webs in hot air dryers D21F5/187by air jets D21F5/188Blowing devices D21F5/20Waste heat recovery