A - Human Necessities – 23 – P
Patent
A - Human Necessities
23
P
A23P 1/12 (2006.01) A23K 1/00 (2006.01) A23N 17/00 (2006.01) A23P 1/14 (2006.01)
Patent
CA 2402875
The inventions relates to an extrusion apparatus suited for water-containing products which heat-expand by internal boiling of water by pressure relief after passing through extrusion nozzles. The apparatus comprises a) an extruder, which at the outlet end thereof comprises a nozzle plate, b) a pressure-controlling chamber for controlling the pressure on the outlet side of the nozzle plate, said pressure-controlling chamber possibly containing a cutting-off unit, and c) a sluice unit downstream of the pressure controlling chamber. The apparatus furthermore comprises that the pressure-controlling chamber and sluice unit being releasably interconnected and at least the sluice unit being mounted movably in and out of the product stream. Hereby may the apparatus start up without connecting the sluice and easily connecting the sluice, when the product is sufficiently stable for the correct function of the sluice, so that the problems during start-up of the apparatus, such as the unstable and the relatively wet products tendency of blocking the sluice is substantially avoided.
L'invention porte sur un appareil d'extrusion de produits aqueux subissant une dilatation thermique par ébullition de l'eau et mécanique par dépression lors de leur passage dans les filières d'extrusion. Ledit appareil comporte: (a) une extrudeuse muni d'une filière à sa sortie; (b) une chambre de régulation de la pression régnant à l'extérieur de la filière, éventuellement munie d'une unité de coupure; (c) un sas placé en aval de la chambre de régulation de pression. Ladite chambre et le sas sont réversiblement interconnectés et le sas au moins peut se monter sur le flux de production ou en être retiré. L'appareil peut donc commencer à fonctionner sans le sas qui se monte facilement lorsque le produit est suffisamment stable pour que le sas puisse fonctionner normalement. On élimine ainsi quasiment les problèmes de démarrage tels que les instabilités et la tendance relative des produits mouillés à bloquer le sas.
Andritz Feed & Biofuel A/s
Battison Williams Dupuis
Sprout-Matador A/s
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