What are the characteristics and advantages of microwave drying sterilizer?
1. Selective heating of microwave machine: Because water molecules absorb microwaves best, the part with high water content absorbs microwave power more than the water content in the same unit time. This is the characteristic of selective heating, which can achieve the purpose of uniform heating and uniform sterilization.
2. The energy saving of the microwave machine is high. The microwave acts directly on the material, and the air does not absorb the microwave. Therefore, there is no additional heat loss, and the air in the furnace and the corresponding container will not generate heat, and the temperature of the air is caused by the heat energy radiated after the temperature of the material rises above the ambient temperature. Therefore, the thermal efficiency of microwave heating is extremely high, and the production environment is also significantly improved, which can save more than 30% compared with far infrared heating.
3. The microwave machine has short time and high efficiency. Microwave heat sterilization is a process in which the polar molecules of the object to be heated become a heating element without heat conduction. The microwave penetrates the inside and outside of the object from the periphery and at the same time enables the object to be uniformly heated and sterilized in a short time, which greatly shortens the drying sterilization time, thereby further increasing the yield.
4, microwave machine operation is easy to control, advanced technology. Compared with the conventional method, the device is ready to use; without thermal inertia, the operation is flexible and convenient; the microwave power is adjustable, and the transmission speed is adjustable. In microwave heating and drying sterilization, there is no waste water, waste gas and waste residue, which is a safe and harmless high-tech.
5, microwave machine sterilization effect is good. Practice has proved that the use of microwave sterilization generally kills E. coli at 75 Â° C, the total number of bacteria is greatly reduced at 80 ~ 90 Â° C, the time is only 2 to 6 minutes. The heat sterilization speed is fast and the time is short, so the nutrients, the traditional flavor and the color of the food are not damaged.
6. Microwave machine can extend the shelf life of food: the material treated by microwave sterilization can extend the shelf life of half a year, which has significant effect on improving product quality and extending storage period.
7, microwave + UV: the configuration of UV sterilization system, can further ensure the sterilization effect, while preventing the plastic bag in the drying sterilization process of the expansion bag.
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