Research progress of microwave drying technology and equipment for agricultural products

Abstract: Taking the microwave drying technology as the research object, the research status of microwave drying equipment in agricultural products processing was expounded, and some technical problems such as uneven drying and partial burning in microwave drying were put forward. Then, the research progress of hot air microwave fluidized drying, vacuum microwave drying, freeze microwave drying and other combined technologies and equipment were introduced. Finally, by analyzing the advantages and disadvantages of different processing technology, it is pointed out that microwave combined drying technology is the development trend of  microwave drying industry for agricultural products. 

microwave drying equipment

Key words: agricultural products; microwave drying; equipment; research progress 0 Introduction

Drying is an important means to ensure the quality of agricultural products. It is also a common food processing technology. China's agricultural products are relatively scattered, and the processing level is backward, resulting in a large number of losses in the transportation, storage and marketing links after harvest. Timely and effective post-harvest drying is of great significance to reduce the production costs and economic losses of grain, fruits and vegetables, edible fungi and other agricultural products.

In recent years, the demand for dehydrated fruits and vegetables has been increasing rapidly both in China and in the international market. The dried products after dehydration are not only convenient for transportation, storage and sale, but also improve the added value of agricultural products, and have great market potential and development space. It is particularly important to improve the drying technology level of agricultural products.

microwave drying industry for agricultural