Method for transfer of particulate solid products between...

Details Method for transfer of particulate solid products between... Method for transfer of particulate solid products between...

2002-07-22

2009-10-13

Rodríguez, Saúl J (Department: 3652)

Material or article handling

Process

Of moving material between zones having different pressures...

C414S218000, C414S219000

Reexamination Certificate

active

07600960

ABSTRACT:
The method invented is based on sluice system according to which the product is first conveyed through a portioning device, which produces a sequence of uniform product portions divided by uniform particle free spaces, and subsequently the product portions are conveyed individually through a sluice device, which comprises at least one sluice chamber and two pressure locks of which at least one at any time secures a pressure tight barrier between the two pressure zones, and the product portions are force loaded from the first zone into a sluice chamber by means of a piston screw, the axis of which is practically in line with the axis of the sluice chamber, and the product portions are force unloaded from the sluice chamber and into the second pressure zone by means of said piston screw or a piston or by means of gas, steam or liquid supplied at a pressure higher than that of the second pressure zone.

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