World's first freeze granulator using a closed cycle system.
This is our latest generation freeze granulator (patented), the world's first closed-cycle system that can be scaled up. It adopts a dry cooling method that is free of liquid nitrogen, utilizing a unique high-efficiency cooling unit. By not using liquid nitrogen, it is possible to significantly reduce operational costs. The droplets that are atomized are frozen while suspended in the airflow by coming into contact with a low-temperature gas stream that is continuously supplied within the freeze granulator process. The frozen material is collected by the lower part of the freezing chamber or by a cyclone. By increasing the size of the collection container, it is possible to produce a large amount of frozen material at once. The collected frozen material is freeze-dried by the freeze dryer RHEOFREED. By connecting multiple freeze dryers to the freeze granulator and automatically switching connections, it is possible to achieve production that is close to continuous (semi-continuous production process).
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basic information
Product Specifications Model: CS220 Inner Diameter of Freezing Chamber: φ2200mm Spraying Method: Rotary Atomizer, Various Nozzle Types Maximum Raw Liquid Processing Capacity: 320kg/h Cooling Temperature: -10 to -50℃ Cooling Method: Dry cooling using a high-efficiency cooling unit (atmospheric or inert gas)
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Applications/Examples of results
Application examples Granulated bodies of fine ceramics, metals, alloys, and composite materials (MMC) Filling powders for MIM (Metal Injection Molding) and extrusion molding Ceramics, metals, and cermet thermal spray materials Ceramic fluorescent plate materials for white LEDs Precursor preparation in material synthesis Granulation of graphene sheets and graphene oxide Redispersion treatment of nanopowders and carbon nanotubes (CNT) Fine nanofibers such as cellulose nanofibers (CNF) Carrier particles in catalysts Pharmaceuticals and biomaterial products Granulated bodies containing live bacteria in food and pharmaceuticals Porous protein granules Freeze fixation of organic compounds in droplet state
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Dry cooling method using a high-efficiency cooling unit (liquid nitrogen-free)
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Company information
PRECI is a process engineering company with multiple cutting-edge technologies. We have three technology portfolios: Powder Technology, Biotechnology, and Precision Cleaning Technology, and provide unique products and solutions based on our advanced technological background. We support the sustainable development of various industries by creating superior processes that are highly efficient and considerate of energy consumption. Additionally, through strong partnerships with global users, distributors, suppliers, universities and research institutions, we are contributing to the development of new and value-added products and improved qualities in a wide variety of industries.
