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Device for drying agricultural products

A drying device and technology for agricultural products, applied in fluidized drying and microwave drying drying devices, combined with continuous hot air drying, can solve the problems of easy overheating, poor uniformity of microwave drying, and excessive drying speed, etc., to improve product quality Yield rate, drying time shortened, drying energy consumption reduced

Active Publication Date: 2014-03-26
CHINESE ACAD OF AGRI MECHANIZATION SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the uniformity of microwave drying is poor, and it is easy to cause overheating to cause coking on the edge or sharp corner of the material, product surface hardening and internal gelatinization, etc., resulting in aggravated product quality fission and low yield. The yield of microwave drying is often less than 65%.
[0003] At present, microwave combined drying technology mainly adopts microwave and hot air, microwave and vacuum, hot air and microwave vacuum, far-infrared microwave vacuum and other methods. The research results of combined drying technology show that microwave combined drying technology is efficient, energy-saving and high-quality , but in terms of microwave combined drying equipment, there are still technical defects such as serious unevenness of microwave drying, and excessive drying speed makes it difficult to control the final moisture of materials, which restricts the industrial application and promotion of this technology

Method used

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Embodiment Construction

[0045] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0046] see figure 1 , figure 1It is a structural schematic diagram of an embodiment of the present invention. The agricultural product drying device of the present invention includes a frame 8 and a vibration transmission mechanism 1 installed on the frame 8, a microwave drying system 30 and a hot air drying system 9, and the microwave drying system 30 includes a microwave drying chamber 3 and a microwave source 4. The microwave source 4 is connected to the microwave drying chamber 3 through the microwave energy feeding structure 5, the hot air drying system 9 is connected to the bottom of the microwave drying chamber 3, and the vibration transmission mechanism 1 penetrates through the microwave drying chamber. The chamber 3 allows the agricultural products to pass through the microwave drying chamber 3 sequentially and be d...

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Abstract

The invention discloses a device for drying agricultural products. The device for drying agricultural products comprises a frame and a vibratory conveying mechanism mounted on the frame, a microwave drying system and a hot air drying system, wherein the microwave drying system comprises a microwave drying chamber and a microwave source; the microwave source is connected with the microwave drying chamber through a microwave energy reclaiming structure; the hot air drying system is communicated with the bottom of the microwave drying chamber; and the vibratory conveying mechanism penetrates through the microwave drying chamber so as to enable the agricultural products to penetrate through the microwave drying chamber in sequence and dry through the microwave drying chamber and the hot air drying system. Through the device for drying agricultural products, the advantages of dynamic and even drying characteristics of fluidized drying are combined with the advantages of high moisture and low cost of hot air drying and the advantages of rapidity and high efficiency of microwave drying, so that the aim of efficient, energy-saving, rapid, even, high-quality, high-yield and continuous drying is achieved; and the finished product ratio of the product is improved.

Description

technical field [0001] The invention relates to an agricultural product drying equipment, in particular to a drying device which combines continuous hot air drying, fluidized drying and microwave drying. Background technique [0002] Microwave drying uses microwave radiation energy to heat the medium of the material as a whole. It has fast drying speed, high efficiency and low energy consumption, and has strong technical advantages. my country's atmospheric pressure microwave drying technology and equipment are also widely used in chemical industry, light industry, medical treatment and agricultural product processing, and are most widely used in chemical and medical industries. However, the uniformity of microwave drying is poor, and it is easy to cause coking at the edge or sharp corner of the material due to overheating, product surface hardening and internal gelatinization, etc., resulting in aggravated product quality fission and low yield. The yield of microwave drying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B23/00
Inventor 李树君韩清华马季威杨炳南赵东林李仪凡
Owner CHINESE ACAD OF AGRI MECHANIZATION SCI
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