Mixed dryer section including single-tier and double-tier drying

Details Mixed dryer section including single-tier and double-tier drying Mixed dryer section including single-tier and double-tier drying

1993-11-12

1997-02-11

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34117, 34646, 34120, D06F 5800, F26B 1102

Patent

active

056008970

ABSTRACT:
In the initial region of the dryer section at least one of the dryer groups (23) is developed as a single-felt dryer group in which a single endless felt (F) and the web (9) travel alternately over cylinders (73) and guide suction rolls (73'). In the final region of the dryer section there is present at least one double-felt dryer group (24) in which a web (9) travels alternately over lower (74) and upper (74') cylinders. The single-felt group (23) has an automatic ropeless tail guide device (76, 79) for the threading of the so-called tail. In the double-felt dryer group (24) an automatic ropeless tail guide device (77, 78) is also present.

REFERENCES:
patent: 4022366 (1977-05-01), Rooney
patent: 4485567 (1984-12-01), Ely
patent: 4876803 (1989-10-01), Wedel
patent: 4918836 (1990-04-01), Wedel
patent: 4934067 (1990-06-01), Wedel
patent: 4945655 (1990-08-01), Wedel
patent: 4972608 (1990-11-01), Ilvespaa

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