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Material drying unit

A material and unit technology, applied in the direction of dryers, drying, progressive dryers, etc., can solve the problems of low drying efficiency, achieve long drying time, ensure sufficient drying, and adapt to temperature changes.

Inactive Publication Date: 2020-04-17
河南省农业科学院农副产品加工研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a material drying unit to solve the technical problem of low drying efficiency caused by repeated heating, drying and slowing processes in the drying device in the prior art in order to achieve thorough material drying.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, the material drying unit includes a hot air drying area 1 and a cold air drying area 2. The hot air drying area 1 dries the material through the hot air, and the cold air drying area 2 dries the material through the cold air. The hot air drying area 1 and the cold air drying area 2 are both There are more than two places, the hot air drying area 1 and the cold air drying area 2 are alternately arranged for the materials to be dried to pass through the hot air drying area 1 and the cold air drying area 2 alternately.

[0036] In this embodiment, an isolation area 3 is provided between the hot air drying area 1 and the cold air drying area 2, so as to avoid mutual influence between the hot air drying area 1 and the cold air drying area 2, and also to facilitate material transportation.

[0037] Such as figure 1 As shown, the material drying unit includes two drying lines, which are respectively the first drying line 21 and the second drying lin...

Embodiment 2

[0048] Such as Figure 4 As shown, the difference from Example 1 is that the material drying unit is in the form of a single line, and an adjacent cold air drying area 102 and a hot air drying area 101 form a group of drying areas, and a group of drying areas corresponds to a heat pump 106, the hot end 104 of the heat pump 106 corresponds to the hot air drying area 101 of the group of drying areas, and the cold end 105 corresponds to the cold air drying area 102 of the group of drying areas. Wherein, an isolation area 103 is provided between the adjacent cold air drying area 102 and the hot air drying area 101 .

Embodiment 3

[0050] The difference from Embodiment 1 is that the cold end of a heat pump corresponds to more than two cold air drying areas, and at this time, more than two pipelines need to be drawn from the cold end to correspond to each cold air drying area; or the cold end of a heat pump The hot end corresponds to more than two hot air drying areas. At this time, the hot end needs to lead out more than two pipelines to correspond to each hot air drying area.

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Abstract

The invention relates to a material drying unit. The material drying unit comprises more than two hot air drying areas and more than two cold air drying areas. The hot air drying areas are used for drying materials through hot air. The cold air drying areas are used for drying the materials through cold air. The hot air drying areas and the cold air drying areas are arranged alternatively so as toenable the materials to be dried to pass through the hot air drying areas and the cold air drying areas alternatively. By means of the material drying unit, the materials to be dried alternatively pass through the hot air drying areas and the cold air drying areas; the material temperature of the cold air drying areas is higher than air temperature, and when the materials pass through the cold air drying areas, some moisture of kernels is dissipated through fruit shells; and the material temperature of the hot air drying areas is lower than the air temperature, and when the materials pass through the hot air drying areas, moisture is rapidly dissipated, so that the kernels are effectively dried, and the uniformity of humidity inside and outside the materials is guaranteed.

Description

technical field [0001] The invention relates to a material drying unit. Background technique [0002] Drying units are used in many industries such as grain, feed, medicinal materials, fruit processing, wood, etc., to remove moisture from materials and achieve drying of materials. At present, drying units generally use hot air to heat materials to evaporate water out of materials. Heat sources include hot water boilers, steam boilers, heat-conducting oil furnaces, electric heating, heat pumps, etc. [0003] The Chinese patent with the authorized notification number CN200946961Y discloses a low-temperature vacuum continuous drying device for slow drying and quality preservation of grain. and reduced germination rates. [0004] The continuous drying device is designed for grain. During the heating and drying stage, the moisture inside the material will evaporate to the outside, and part of the moisture that has not evaporated in time remains inside the material. After slowin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B15/18F26B21/00F26B23/10F26B25/00
CPCF26B15/18F26B21/00F26B23/10F26B25/00
Inventor 路风银朱广成杨慧韩俊豪郭文英董俊辉董铁有
Owner 河南省农业科学院农副产品加工研究中心
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