Method and apparatus for drying fruit pulp and the like

Details Method and apparatus for drying fruit pulp and the like Method and apparatus for drying fruit pulp and the like

1985-05-31

1986-12-30

Makay, Albert J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 39, 34 71, 34 93, 34 95, 99483, F26B 320

Patent

active

046318372

ABSTRACT:
A method and apparatus for producing a dried material from a mixture of solid particles colloidally suspended in a liquid, for example, for the production of fruit leather from a pulp and fruit juice mass, include floating an infrared-transparent film on the surface of a body of heated water and placing the material to be dried, such as the pulp and juice mix, on top of the film to absorb heat from the water and thereby cause drying of the material. The apparatus for carrying out the method includes a reservoir of water, a film floated on the water, and a heater for maintaining the temperature of the water at a predetermined level. In a preferred embodiment, the reservoir is in the form of an elongated trough and the film comprises an endless strip of polyester material, such as Mylar, to form a conveyor belt that floats on the surface of the water in the trough and carries the material to be dried on it.

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