A continuous high-efficiency grain microwave dryer and its structure optimization method

Abstract

The invention provides a continuous type efficient grain microwave drying machine and a structure optimizing method thereof. The microwave drying machine at least comprises a rack, a feeding device, at least drying cavity, a microwave generator, a conveying device, a moisture discharging device and the like. The grain feeding speed is controlled through the feeding device, grain enters the drying cavity through the conveying device, and moisture is separated from the grain under the action of microwaves and then discharged out through the moisture discharging device. Modeling and simulation are carried out on the microwave drying cavity meeting productivity needs, the distribution mode of magnetrons at the top of the drying cavity is obtained, and a movable bottom plate is arranged at the bottom of the drying cavity, and used for adjusting the relative height of the drying cavity. Meanwhile, the emitting power of the magnetrons is controlled through the changes of temperature and moisture so that the fast and efficient drying process of the grain can be achieved. The cavity is reasonable in design, the utilization rate of the microwaves is high, operation is convenient, safety and reliability are achieved, and the drying quality of the grain is greatly improved.

Description

technical field [0001] The invention belongs to the field of microwave drying, and in particular relates to a continuous high-efficiency grain microwave dryer and a structure optimization method thereof. Background technique [0002] Drying is of great importance during grain harvesting. Drying can make the grain harvested and stored in advance, reduce the loss of crops caused by wind, rain and insects in the field, reduce the volume and weight of the grain, and facilitate transportation. The state of infestation and insectification can ensure the quality of grain. [0003] Although the development of my country's grain drying machinery has nearly 30 years of exploration history, there are already more than 50 production enterprises, but the output is not large, the technical content is low, there are not many mature models, there are few product types, and the energy consumption is high. Low, there is a lack of small and medium-sized multifunctional drying machines suitabl...

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Problems solved by technology

[0006] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a continuous high-efficiency grain microwave dryer and its structure optimization method, which are used to solve the problem of unreasonable cavity structure and high energy consumption in the prior art drying equipment. , Microwave utilization rate is low, etc.

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