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Cocurrent induced draft far infrared vegetable dehumidifier

A vegetable dehydration, far-infrared technology, applied in the application, food processing, food science and other directions, can solve the problems of high air humidity, fast surface water evaporation, insufficient air intake, etc., to improve practicability and good air induction effect. Effect

Inactive Publication Date: 2007-08-22
SHANDONG UNIV OF TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

However, through further tests, it was found that the far-infrared vegetable dehydrator involved in the above-mentioned patent, since each layer of the drying box is drawn by the same fan in series, so the air flow in each layer of the box is equal.
For the drying box on the top floor, since the drying has just started, the moisture content of the material is relatively high, and the surface water evaporates quickly, so the air volume is insufficient and the air humidity is relatively high; The moisture of the material evaporates slowly, and the induced air volume is too large, and the excessive air volume is easy to blow up the less dense material

Method used

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  • Cocurrent induced draft far infrared vegetable dehumidifier
  • Cocurrent induced draft far infrared vegetable dehumidifier
  • Cocurrent induced draft far infrared vegetable dehumidifier

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Experimental program
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Embodiment Construction

[0024] specific implementation plan

[0025] 1. Drying box 2, transmission device 3, conveying device 4, radiation device 5, guide rail 6, partition plate 7, conveying chain plate 8, material inlet 9, material outlet 10, air inlet 11, deflector 12, Fan 13, flange 14, straight pipe 15, connecting pipe 16, reducing pipe 17, elbow 18, connecting pipe flange 19, insulation layer 20, material guide trough 21, bracket

[0026] In the embodiment shown in Figures 1 and 2: the top of the drying cabinet 1 is provided with a feed inlet 8, and the bottom is provided with a discharge port 9. The drying cabinet 1 is horizontally spaced into multiple layers by partitions 6, and each layer A set of conveying devices 3 driven by the transmission device 2 is arranged inside, and the conveying chain plate 7 of the conveying device 3 is supported on the guide rail 5 to form a trough-shaped material channel; each guide trough 20 is located at the end of the guide rail 5, above which A deflector 1...

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Abstract

The cocurrent induced draft far infrared vegetable dehumidifier includes drying box, driving device, conveying device and radiating device. The drying box consists of several layers, each layer is provided with one conveying device driven with one separate driving device to constitute channel material passage, each of the passage is provided with one far infrared radiating device, and the drying box is provided with material inlet in the top and discharge port in the bottom. The present invention features that each of drying box layers is provided with air inlet and induced draft port connected to the blower hermetically through induced draft pipe. The present invention has excellent drying effect.

Description

Technical field [0001] The invention provides a co-current induced air type far-infrared vegetable dehydration device, in particular to a device for dehydrating and drying vegetables by using far-infrared radiation. Background technique [0002] At present, the commonly used vegetable dehydration and drying form in China is hot air convection drying. In order to ensure the drying speed, the temperature of the hot air is generally higher, and the drying is carried out under normal pressure, so it is easy to cause a large loss of organic matter and nutrients such as Vc in vegetables due to oxidation. At the same time, too high temperature will also form a hard shell on the surface of the material, hindering the outward migration and evaporation of internal moisture. If the air temperature is lowered, the heat transfer rate will slow down and the drying time will be longer. Not only can not guarantee product quality, but also greatly reduce production efficiency. Simultaneou...

Claims

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Application Information

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IPC IPC(8): A23N12/08
Inventor 孙传祝王相友董焕俊许云理郭超
Owner SHANDONG UNIV OF TECH
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