Steam blower box

Details Steam blower box Steam blower box

1996-09-18

1998-05-19

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34119, 34124, D21F 500

Patent

active

057523240

ABSTRACT:
The invention relates to a steam blower box for the application of steam onto a material web passing by, for example onto a paper web that is to be dewatered and is passing through the press section of a paper-manufacturing machine. The steam blower box extends, transverse to the web travel direction, over the entire web width and comprises a plurality of zone chambers, that are arranged side by side over the web width and are covered by a perforated steam exit panel. Each zone chamber is connected to a steam source via a control valve of its own. The steam exit panel can be removed for purposes of cleaning the zone chambers. Each of the zone chambers comprises a perforated panel insert which is likewise removable.

REFERENCES:
patent: 3945570 (1976-03-01), Dove
patent: 4351700 (1982-09-01), Dove
patent: 4867054 (1989-09-01), Taylor
patent: 4899463 (1990-02-01), Heikkila et al.
patent: 4945654 (1990-08-01), Mason
patent: 5282323 (1994-02-01), Winheim

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