The world's first mass-produced freeze granulator capable of continuous production using patented technology.
This is the world's first mass-produced freeze granulator capable of continuous production using patented technology. Liquid nitrogen is supplied to the outer layer of a jacket-type freezing chamber, cooling the entire process. The nitrogen gas that evaporates in the outer jacket layer is supplied to the inner layer of the chamber. The liquid is sprayed into the inner layer of the chamber through a two-fluid nozzle, freezing upon contact with the cooling nitrogen gas. By adjusting the supply of liquid nitrogen, control over the process temperature is possible. The frozen material is collected in a dedicated recovery container installed at the bottom of the freezing chamber. By increasing the size of the recovery container, it is possible to produce a large amount of frozen material at once. The collected frozen material is freeze-dried using a general-purpose freeze dryer or the RHEOFREED freeze dryer. By connecting multiple freeze dryers to the freeze granulator and automatically switching connections, production close to continuous operation is achievable (semi-continuous production process).
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basic information
Product Specifications Model: CS30 Inner Diameter of Freezing Chamber: φ300mm Spraying Method: Two-Fluid Nozzle Maximum Feed Rate: 15kg/h Cooling Temperature: -10 to -120°C Cooling Method: Dry cooling using evaporated gas from liquid nitrogen
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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
Detailed information
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Dry cooling method using evaporated gas from liquid nitrogen.
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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.
