Heating – Processes of heating or heater operation – Controlling flame position or work atmosphere
Patent
1979-05-24
1981-05-19
Camby, John J.
Heating
Processes of heating or heater operation
Controlling flame position or work atmosphere
34 15, 34 77, 432 72, 432105, F26B 504, F26D 704
Patent
active
042682479
ABSTRACT:
To dry wet fabrics, a hot drying gas is introduced into a drying chamber containing the fabrics. The drying chamber is maintained at a sufficiently high pressure greater than atmospheric pressure so that a portion of the gas in the drying chamber can be discharged directly to the atmosphere. The remainder of the gas in the drying chamber is withdrawn, and at least a portion of the withdrawn gas is used to produce the hot drying gas introduced into the drying chamber. This is effected by increasing the pressure of the withdrawn gas, heating the withdrawn gas, and combining it with a dilution gas. The amount of the dilution gas which is combined with the withdrawn gas comprises from about 5 to about 20% by volume of the hot drying gas introduced into the drying chamber. Before the withdrawn gas is heated, preferably it is filtered by a lint screen for removal of lint and other contaminants. Novel lint screens capable of self-cleaning during a cooling mode of operation are described.
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Robert E. Treybal, Mass-Transfer Operations, MacGraw Hill, 1955, pp. 530-536.
Camby John J.
Challenge-Cook Bros. Incorporated
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