Process and plant for the production of ground solid carbon dioxide from liquid carbon dioxide

摘要

Production of cold. The plant comprises: an exchanger 1 including: - an inlet pipe 7 equipped with a valve 8 and intended to be connected to a reservoir 10 of liquid carbon dioxide, - an ejection pipe 3 equipped with a valve 4, - a rotor 22 for scraping its inner wall, a jacket 13, 14 at least locally surrounding the exchanger and defining an expansion chamber 15 for a refrigerant fluid, and a storage and/or cooling enclosure 5 connected to the ejection pipe. Application to the production of ground or chipped ice. <IMAGE>