Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Patent
1990-10-24
1992-10-13
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Houses, kilns, and containers
34217, 34 68, F26B 1900
Patent
active
051540100
ABSTRACT:
A sheet drying apparatus wherein the horizontal upper reach of an endless foraminous conveyer transports a series of sheets to be dried between a main suction chamber below and a plenum chamber above the upper reach. The drying station between the two chambers is flanked by two additional suction chambers which extend transversely of the direction of advancement of sheets and serve to attract the sheets to the upper side of the upper reach of the conveyor. A blower is provided to draw air from the main suction chamber and to admit the withdrawn air into channels for admission into the plenum chamber. The sheets are directly or indirectly heated by a stationary heating device between the main plenum chamber and the upper reach of the conveyor, by one or more heating elements in the plenum chamber, by heating elements in the main suction chamber and by heating elements in the channels. The main suction chamber is installed in a housing which also supports the conveyor and some of the channels, and the plenum chamber is provided in a hood which is pivotably connected to the housing. Sheets to be dried are fed onto the conveyor upsteam of the additional suction chamber which is located ahead of the drying station, and dried sheets are collected in a chute which is disposed at the discharge end of the conveyor adjacent the additional suction chamber which is located downstream of the drying station.
REFERENCES:
patent: 2651849 (1954-09-01), Kisskalt
patent: 3254426 (1966-06-01), Lamb et al.
patent: 3319353 (1967-05-01), Matsunami et al.
patent: 3359648 (1967-12-01), Overly et al.
patent: 3987556 (1976-10-01), Tissot et al.
patent: 4015103 (1977-03-01), Cherian
patent: 4597192 (1986-07-01), Sfondrini et al.
patent: 4905381 (1990-03-01), Poterala
Bennet Henry A.
Gerhard Klemm Maschinenfabrik GmbH & Co.
Kilner Christopher B.
Kontler Peter K.
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