What is a Microwave heating device?

A microwave heating device is a device that heats a dielectric by electromagnetic waves with a wavelength of about micrometers. With other heating methods (methods that utilize radiation from hot air or electric heat), heat is gradually conducted from the surface of the target and heated, so it takes a certain amount of time. However, with microwave heating, the internal temperature can be raised in a shorter time because it reacts directly with the molecules inside the substance. In addition, since it is possible to irradiate the target with microwaves almost uniformly, it is possible to heat evenly inside and outside the substance. Furthermore, since the heat generation efficiency changes depending on the dielectric loss of the target, it is possible to selectively heat the substance according to the loss coefficient.

Application of Microwave heating device

Microwave ovens are well known for the use of microwave heating devices, but they are also industrially applied for the purpose of food-related applications. Specific examples include cooking, sterilization, and drying of food. For example, when using a microwave heating device in the process of heat-treating chicken meat, the heating time can be halved compared to the past, and even partial blackening of bones can be prevented.

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