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Key equipment for the preparation of freeze dryer
2025-06-03
The freeze dryer is the core equipment for the preparation of functional materials, and the freeze dryer integrates a number of technologies such as low-temperature freezing, vacuum drying and precision control, which provides technical support for the development of new materials.
1. Technical characteristics of material freeze dryer
The freeze dryer is equipped with a precise temperature control system, which can achieve a wide range of temperature control from -80°C to 50°C to meet the lyophilization needs of different materials. The vacuum system adopts a high-performance vacuum pump unit that can reach a vacuum degree below 10Pa in a short time, and the cold trap system adopts a high-efficiency refrigeration unit with a minimum temperature of -85°C to effectively capture the sublimated water vapor. The control system is equipped with an intelligent operation interface, and the freeze-drying process is programmed to control.
Second, the selection of freeze dryer key points
Key parameters such as the temperature range, vacuum, and cold trap temperature of the equipment. The temperature range should cover the glass transition temperature of the target material, the vacuum degree should meet the requirements of the material for freeze-drying, and the temperature of the cold trap should be lower than the eutectic point temperature of the material, considering the capacity, energy consumption, control accuracy and other factors of the equipment.
Third, the application field of the freeze dryer
The freeze dryer can effectively prevent particle agglomeration in the preparation of nanomaterials, accurately adjust the pore structure in the preparation of porous materials, and achieve uniform dispersion of components in the preparation of composite materials.
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