Dry end

Details Dry end Dry end

1992-04-13

1994-06-21

Gromada, Denise

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34117, 34120, F26B 1102

Patent

active

053218990

ABSTRACT:
The dry end of a paper machine comprises a first dryer group with top drying cylinders (11 to 14), with a first drying wire (10) and with bottom deflection suction rolls (21 to 23). Adjacent this, there is a second dryer group with bottom drying cylinders (15 to 18), with a second drying screen (20) and with top deflection suction rolls (25 to 27). In this way, both sides of the web (9) to be dried come, in succession, into direct contact with the drying cylinders. At the place where the web (9) changes from the first drying wire to the second drying wire, there is a transfer suction roll (24) which lies within the loop (20) of the second support belt. The web (9) travels there from the last cylinder (14) of the first dryer group over an at least approximately straight travel path to the transfer suction roll (24) and thus onto the second support belt (20).

REFERENCES:
patent: 4172007 (1979-10-01), Kankaanpaa
patent: 4934067 (1990-06-01), Wedel
patent: 5022163 (1991-06-01), Iivespaa et al.
patent: 5063689 (1991-11-01), Sollinger
patent: 5065529 (1991-11-01), Skaugen et al.
patent: 5101577 (1992-04-01), Wedel
patent: 5105561 (1992-04-01), Wulz
patent: 5144758 (1992-09-01), Skaugen et al.
patent: 5146696 (1992-09-01), Mayer et al.

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