Drying and gas or vapor contact with solids – Apparatus – With fluid current conveying of treated material
Patent
1998-05-06
1999-11-02
Bennett, Henry
Drying and gas or vapor contact with solids
Apparatus
With fluid current conveying of treated material
34147, F26B 1700
Patent
active
059746920
ABSTRACT:
An apparatus for air-treatment of products comprises an endless conveyor belt following through part of its length a helical path forming a stack of tiers. Side plates at one longitudinal edge of the conveyor belt form an outer cylinder wall delimiting the stack radially outwards. An inner cylinder wall delimits the stack radially inwards. Thereby, a central space is defined by the inner cylinder wall and an annular space is defined between the outer cylinder wall and the inner cylinder wall. An end closure substantially adjoins the outer cylinder wall at one end of the stack. Means are provided for blowing air through the central space towards the end closure and back through the annular space between the outer and inner cylinder walls for air-treatment of products carried by the conveyor belt in the helical path. The air is conditioned and blown through the annular space between the outer and inner cylinder walls.
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Bennett Henry
Frigoscandia Equipment AB
Gravini Steve
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