Composition heating type vegetable dewatering device

A vegetable dehydration and heating device technology, which is applied in the direction of preserving fruits/vegetables through dehydration, can solve the problems of slow drying speed, achieve fast drying speed, improve practicability, and reduce radiation temperature

Inactive Publication Date: 2007-10-17
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

However, through further experiments, it was found that the far-infrared vegetable dehydrator involved in the above-mentioned patent only uses far-infrared rays as a heat source and heats and dries in a radiat

Method used

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  • Composition heating type vegetable dewatering device
  • Composition heating type vegetable dewatering device
  • Composition heating type vegetable dewatering device

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Experimental program
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Embodiment Construction

[0025] specific implementation plan

[0026] 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 duct 11, fan 12, heating Device 13, flange 14, straight pipe 15, connecting pipe 16, reducing pipe 17, elbow 18, connecting pipe flange 19, insulation layer 20, material guide groove 21, deflector 22, bracket

[0027] In the embodiment shown in Fig. 1, Fig. 2, Fig. 4: the top of drying box body 1 is provided with feed inlet 8, and the bottom is provided with discharge port 9, and in drying box body 1, divides into many by dividing plate 6 horizontally. Each layer is equipped with a set of conveying device 3 driven by the transmission device 2, 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; At the end, a deflector 21 is arranged above it to ensure that the air in the dryi...

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Abstract

The present invention provides a composition heating type vegetable dewatering device comprising a drying box, transmission device, conveying device and irradiating device, wherein the drying box constituted by the multi-layer, each layer set a set of conveying device driven by transmission device, and forming groove type material channel, above each channel set far infrared irradiating device, at the top of drying box has a feed inlet, at the bottom of drying box has a material outlet, there is air inducing vent at the upper wall of each layer, it sealing connects with fan by air inducing tube. Its characteristics are that each layer of the lower lateral wall of box is equipped with air inlet, wind supply tube sealing connects with heating device, the wind supply tube comprising flange and unequal-diameter straight tube, connecting tube connected with each layer, variable diameter tube and elbow, connecting tube diameters are reduced from top to bottom. The present invention adopts far infrared and hot wind composition heating method, solving the problem only when using far infrared heating surface materials roast will be easier yellow, and improving the quality of dried vegetables.

Description

Technical field [0001] The invention provides a combined heating vegetable dehydration device, specifically a device for dehydrating and drying vegetables by using two heat sources of far infrared radiation and hot air. 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 drying speed will be slowed down and the drying time will be longer. Not only can not guarantee product quality, but also greatly reduce production efficiency. Simultan...

Claims

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Application Information

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IPC IPC(8): A23B7/02
Inventor 王相友孙传祝郭超许云理董焕俊
Owner SHANDONG UNIV OF TECH
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