Process and Plant for transforming a liquid or pasty product into frozen particles in a rotary chopping machine ('cutter')

摘要

Title: Process and installation for transforming a liquid or pasty product into frozen particles in a rotary chopping machine ("cutter") A process for manufacturing solid particles, from a liquid or semi-liquid or pasty food composition, according to which the following measures are implemented: There is a rotary chopping device ("cutter") equipped with a bowl (1) and chopping knives (2), capable of accommodating the composition to be treated; A cryogenic liquid, preferably liquid nitrogen, is supplied to the interior space of the bowl using a delivery pipe having at its end at least one projection nozzle (3); the diameter of the pipe and of the projection nozzle being such that the cryogen is brought to a pressure less than or equal to 1 bar and at a speed in the range going from 0.5 to 1.5 m / s. Abstract figure: Fig. 1