FIELD: cooling; chemical or physical processes.
SUBSTANCE: invention can be used for objects cooling, as well as for cleaning surfaces of parts of industrial equipment from operational and process surface contaminants. Versions of methods and apparatus for producing and compacting solid carbon dioxide particles include expansion of liquid carbon dioxide to obtain solid carbon dioxide and compressed gaseous carbon dioxide, conversion of energy of compressed gaseous carbon dioxide into mechanical carbon dioxide and its use for pressing said solid carbon dioxide.
EFFECT: technical result is higher energy efficiency due to reduced power consumption and dependence on external energy sources, reduced weight of devices and higher mobility.
15 cl, 20 dwg
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