A self-regulating device for radio frequency heating uniformity

Abstract

The invention belongs to the technical field of agricultural product processing, and specifically relates to a radio frequency heating uniformity self-regulating device, which includes a radio frequency heating system, an optical fiber temperature measurement system, a material cylinder and an electromagnetic waveguide. The radio frequency heating system is connected with an upper pole plate and a lower pole plate, the radio frequency heating device also includes a base plate, the radio frequency heating system, the upper pole plate and the lower pole plate are all installed on the base plate, and a stage is slidably installed on the base plate, and the stage is located on the upper pole plate and the lower pole plate Between, the material cylinder is located on the stage, and the material cylinder is cylindrical, the material cylinder is provided with a mounting hole, the electromagnetic waveguide includes a connection plate and an electromagnetic waveguide frame, and the connection plate can be detachably installed In the installation hole, the electromagnetic waveguide frame is fixedly installed on the connection plate, the electromagnetic waveguide frame is cylindrical and coaxial with the material cylinder, and is used to solve the problem that there are many sharp corners in the current electromagnetic waveguide, and these sharp corners Still have the problem of overheating phenomenon.

Description

technical field [0001] The invention belongs to the technical field of agricultural product processing, and in particular relates to a radio frequency heating uniformity self-regulating device. Background technique [0002] In the processing of food and agricultural products, heating has always been the most important production link and method, and its purposes mainly include curing, drying and sterilization. Traditional heating methods including hot air, hot water and steam have a long history, but there are also some problems, such as low heating rate, large energy loss, low processing efficiency and poor material quality. Therefore, it is of great significance to develop a new heating method to improve production efficiency and reduce energy consumption. [0003] As a new type of heating technology, electromagnetic dielectric heating has been widely applied and studied in recent years due to its rapidity, cleanliness and easy control. Among them, the radio frequency (3...

AI Technical Summary

Problems solved by technology

[0004] In order to improve the uniformity of radio frequency heating, the existing invention patent "A Method for Improving the Uniformity of Radio Frequency Heating of Foods and Agricultural Products with High Moisture Content" (Notice No.: CN106658792B) proposes that a cross-shaped electromagnetic waveguide is arranged in the container to cooperate with the radio frequency system to control the material Heating improves the uniformity of RF heating, however, the electromagnetic waveguide has many sharp corners, which can still cause overheating

Images