Multi-section intermittent microwave hot-air coupling drying equipment

A technology of microwave hot air and drying equipment, which is applied in the direction of progressive dryers, lighting and heating equipment, and heating to dry solid materials, etc., which can solve the problems of reducing product quality, increasing the absorption load of microwave drying boxes, and uneven wind speed. Product quality, intermittent ratio can be adjusted continuously, and drying rate can be improved

Inactive Publication Date: 2014-12-03
CHINA AGRI UNIV
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AI Technical Summary

Problems solved by technology

The disadvantage of this device is that the hot air device is on the bottom side of the microwave box, resulting in uneven wind speed inside the box; although the double-layer conveyor belt can increase the absorption load in the microwave drying box, which is conduci

Method used

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  • Multi-section intermittent microwave hot-air coupling drying equipment
  • Multi-section intermittent microwave hot-air coupling drying equipment

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Example Embodiment

[0049] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings.

[0050] like figure 1 and figure 2 Shown are the cross-sectional view and top view of the multi-stage intermittent microwave hot-air coupling drying equipment of the present invention, wherein the top view does not include the dehumidifying device 9 . The multi-stage intermittent microwave hot air coupling drying equipment includes a shell 3, one end is a material inlet 1, and the other end is a material outlet 16; the drying equipment also includes a material conveying device, a multi-stage drying chamber, a hot air device, and a moisture discharge Device 9 and control device.

[0051] Wherein, the material conveying device includes a conveyor belt 2 for conveying materials, the conveyor belt 2 is an endless belt, one end is located at the material inlet 1, and the other end is located at the material outlet 16, and passes thro...

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Abstract

The invention belongs to the field of material drying and particularly relates to multi-section intermittent microwave hot-air coupling drying equipment. The multi-section intermittent microwave hot-air coupling drying equipment comprises a shell (3), a material conveying device, a multi-section drying cavity, a hot-air device and a control device, wherein the material conveying device comprises a conveying belt (2) which penetrates through the multi-section drying cavity, is driven by an electric motor and is provided with a speed reducer; the multi-section drying cavity comprises a high-power intermittent microwave hot-air drying cavity (7), a hot-air drying cavity (10) and a low-power intermittent microwave hot-air drying cavity (12); the hot-air device is communicated with the bottom of each drying cavity; the control device is connected with the material conveying device, a microwave generator and the hot-air device through circuits. The multi-section intermittent microwave hot-air coupling drying equipment is high in drying speed, the drying time is also greatly reduced, and the quality of a product is improved.

Description

technical field [0001] The invention relates to the field of material drying, in particular to a multi-stage intermittent microwave hot air coupling drying equipment. Background technique [0002] In recent years, microwave technology has been used more and more in food, chemical, pharmaceutical and other fields. Microwave drying technology has the advantages of high drying efficiency and high heat utilization rate, but its disadvantages are also obvious: high energy consumption, uneven heating, poor stability, and high maintenance and use costs. Therefore, a combination of hot air drying and microwave drying can be used to reduce drying costs and improve product quality. [0003] Hot air and microwave combined drying can be divided into two situations: (1) microwave and hot air drying in series; (2) microwave and hot air drying in parallel, that is, hot air microwave coupled drying. Microwave and hot air drying in series means that the two links of microwave and hot air a...

Claims

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Application Information

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IPC IPC(8): F26B15/04F26B3/347F26B21/10
Inventor 汪政富赵丹丹安可婧丁胜华
Owner CHINA AGRI UNIV
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