Microwave drying equipment operation precautions:
First of all, let me introduce the principle of microwave drying equipment. Microwave is a kind of electromagnetic wave with a wavelength range of 1mm~1m and a frequency range of 3.0X102~3.0X105MHZ with penetrating characteristics. Under the action of microwave electromagnetic wave, the polar molecules in the medium are from The original thermal motion state is changed to follow the orientation of the microwave electromagnetic field alternating. For example, the microwave frequency used is 2,450 MHZ, and the polar molecules in the medium will have an exchange of 2.45 billion times per second. The microwave penetrates into the material and interacts with the polar molecules of the material. The polar molecules in the material. After the microwave energy is absorbed (such as water molecules), the original molecular structure is changed, and the electric field is generalized at the same speed, causing frequent collisions with each other to generate a large amount of frictional heat, so that various parts of the material are obtained at the same instant. The heat is heated and the outward migration of moisture occurs through the moisture vent of the device to achieve the purpose of drying.
Problems that should be paid attention to in the application of microwave drying equipment:
1. In the application of microwave drying equipment, metal iron chips cannot be contained in the material. Microwave can not only heat the metal but also have a reflection effect. The microwave excites electrons in the metal to generate a large current and generates a large current discharge between the metal iron chips and the furnace body. Sparks can cause a fire.
2. If the microwave oven equipment door is found to have convexity and concave, please stop using it. The door with poor convexity and concave closure will cause microwave leakage.
3. In the microwave drying equipment, it is not allowed to put a sealed article (such as a shelled egg), and the microwave penetrates the internal heating, which is extremely fast and causes an explosion.
4. The microwave drying equipment should be cleaned regularly, and the materials should be cleaned up in time to prevent the temperature from being too high and the fire to occur.
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