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MCPT Series Cryogenic Grinder Machine
MCPT series cryogenic grinders utilize liquid nitrogen to cool materials before and throughout the pulverization process. The ultra-low temperature environment avoids melting of low-melting-point materials and achieves finer powder particles. This machine is suitable for processing engineering resins, rubber, adhesives, pharmaceutical materials and food-grade materials into high-quality powder. The series includes laboratory models for R&D sampling and testing, as well as industrial large-scale grinders for mass production.
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The complete deep cryogenic grinder unit consists of a feeding bin, mechanical pulverizer, induced draft fan, cyclone separator and vibrating sieve, as well as a liquid nitrogen tank. During pulverization, the cold source forms a closed-loop circulation system, maximizing energy utilization and reducing power consumption. The cooling medium temperature can reach as low as -196°C and can be flexibly adjusted according to the brittleness point of different materials. The finished powder fineness ranges from 50 to 400 mesh. Adopting liquid nitrogen as the cooling medium enables ultra-low-temperature pulverization, effectively preventing material oxidation and avoiding explosion risks.
Applications This cryogenic grinding system is specially designed for materials that cannot be pulverized at room temperature. It is widely applied in chemical, petrochemical, machinery, shipbuilding, automotive, electronics, textile, coating and printing industries, covering engineering plastics, rubber, thermoplastics, hot-melt adhesives, nylon, polyester, PP, PE, TPU, TPEE, PTFE, EVA and copolymer nylon series (PA6, PA66, PA11, PA12, PA1010, PA610). It also serves food processing (chili powder) and Chinese & Western pharmaceutical industries.
Working Principle The deep cryogenic pulverizing system uses liquid nitrogen as the cold source and takes advantage of the cold embrittlement characteristics of materials. After entering the grinding chamber, the cold-brittle materials are pulverized under the comprehensive action of high-speed rotor impact, mutual collision, shearing and friction between materials, blades and tooth plates. Qualified powder is classified and collected, while unqualified particles are returned to the grinding bin for reprocessing. Most of the cooling air is recycled to ensure energy-saving operation.
• We also provide laboratory-type cryogenic grinders for pilot production and new project trials.
• Produces high-quality ultra-fine powder with uniform fineness
• Nitrogen inerting treatment enhances overall production safety
• High energy efficiency and compact structure with small footprint
The normal package is wooden box.
If container is too tight, we will use PE film for packing or pack it according to customers special request.
