Fermenter of reactor for zootechnic liquid materials
AssigneeGiza S.p.A.
InventorVladimiro Pozzi
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Abstract
A fermenter or reactor for zootechnic liquid materials, comprising a fermentation vessel or container, having positioned therein a movable member for the mixing and stirring of the liquid material. In the reactor or fermenter, said member comprises at least one substantially vertical tube or pipe having windows or slots formed therein as distributed along the length thereof; within said tube or pipe an Archimedean screw is housed and rotatable about its own axis through the action of a drive member. Such a fermenter or reactor is suitable to ensure an accurate mixing of the fermenting mass, while slowly stirring the latter and bringing all of the mass particles in contact with the microbic flora without any disturbance to the fermentation cycle.
Claims9
A fermentation reactor for zootechnic liquid material, comprising a fermentation vessel for containing the liquid material to be processed by the reactor, a tube contained within the vessel and positioned therein with a substantially vertical orientation, said tube defining a plurality of slots along its length, said slots having a generally elongated shape and having a width and a length much greater than said width, said slots being oriented on said tube with their lengths substantially aligned with the axis of said tube, an Archimedean screw contained within said tube, said screw being positioned with its axis substantially in coincidence with the axis of said tube, said screw having an upper portion and a lower portion, the lower portion of said screw comprising material handling surfaces positioned, configured and dimensioned to convey a larger volume of liquid when said screw is rotated at a given speed than the volume of liquid which the upper portion of said screw conveys at said given speed, and scraping blade means projecting outwardly from said lower portion of said screw and inclined with respect to the axis of said screw.
Dependencies are inferred from the claim text.