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Intelligent fresh-keeping and humidifying air source heat pump drying chamber

An air source heat pump and drying room technology, which is applied in the field of tobacco leaf humidification and rehydration, agricultural product refrigeration and preservation, and air source heat pump tobacco leaf drying, can solve the problems of tobacco leaf humidification and rehydration, and achieve simple structure, reasonable design, and improved baking quality. Effect

Pending Publication Date: 2020-04-24
HENAN AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the heat pump dryer can only dry the tobacco leaves but cannot humidify and rehydrate the tobacco leaves, the present invention provides an air source heat pump drying room with intelligent freshness preservation and humidification, which uses the air source heat pump as the energy output, saving energy costs, and It reduces pollution and is environmentally friendly. It can not only dry and dry the tobacco leaves, but also humidify and rehydrate the tobacco leaves after the tobacco leaves are dried. The drying room dries the tobacco leaves again, which is convenient to use and improves the quality of the tobacco leaves, and the second chamber can also store the dried tobacco leaves. The tobacco leaves are divided into partitions through the rotating shelf composed of moving walls. When the demand for tobacco leaves is small , you can only humidify and rehydrate the tobacco leaves in a certain partition and then take them out. It is not necessary to humidify and rehydrate all the tobacco leaves

Method used

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  • Intelligent fresh-keeping and humidifying air source heat pump drying chamber
  • Intelligent fresh-keeping and humidifying air source heat pump drying chamber
  • Intelligent fresh-keeping and humidifying air source heat pump drying chamber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1, after the tobacco leaves are dried, the tobacco leaves need to be humidified and rehydrated. At present, the heat pump dryer is often used to dry the tobacco leaves, but the function of the heat pump dryer is relatively simple. It can realize the drying function of the tobacco leaves, but it cannot realize the humidification and moisture resurgence of the tobacco leaves after the tobacco leaves are dried. If the moisture content is very low, the tobacco leaves will be damaged, and the artificial humidification method will cause the tobacco leaves to absorb moisture unevenly and cause rotten leaves, which will cause economic losses to the tobacco farmers.

[0030] In view of the above problems, the present invention provides an intelligent fresh-keeping and humidifying air source heat pump drying room, such as Figure 1-2As shown, it includes the whole drying room. The inside of the drying room includes a first chamber 2 for energy conversion and a second cham...

Embodiment 2

[0038] Example 2, such as Figure 3-5 As shown, it includes the whole drying room. The inside of the drying room includes a first chamber 2 for energy conversion and a second chamber 8 for storing materials. Between the first chamber 2 and the second chamber 8, there is a A partition 25, the partition 25 is vertically fixed between the first chamber and the second chamber, a rectangular air inlet 4 runs through the top middle of the partition 25, and a rectangular air inlet 4 runs through the bottom middle of the partition 25. Air return port 11; a circulating fan 3 is fixedly installed above the interior of the first chamber 2, and the circulating fan 3 can promote the air circulation in the first chamber 2 and the second chamber 8, and a replacement fan is fixedly installed below the circulating fan 3 The heater 10 is provided with a fresh air inlet below the front end of the first chamber 2, and a fresh air valve 9 is installed on the fresh air inlet. When the fresh air val...

Embodiment 3

[0041] Embodiment 3, an intelligent fresh-keeping and humidifying air source heat pump drying room in this implementation will be described centering on the differences from Embodiment 1.

[0042] In this embodiment, a pressure-touch switch is provided on the sealing strip at the head end of the fixed wall 30, and the pressure-touch switch is electrically connected to the PLC controller. At the end, the pressure touch switch on the sealing strip is triggered, and the pressure touch switch will send a signal to the PLC controller. After the PLC receives the signal, it will open the solenoid valve and start the high-pressure atomizing pump, so that the moving wall and the fixed wall The tobacco leaves in the sealed chamber formed between are humidified and regained moisture.

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Abstract

The invention relates to the fields of air energy heat pump tobacco leaf drying, tobacco leaf humidifying and moisture regaining and the like, in particular to an intelligent fresh-keeping and humidifying air source heat pump drying chamber. An air source heat pump is arranged at the front end of the drying chamber, the drying chamber comprises a first cavity and a second cavity, a partition plateis arranged between the first cavity and the second cavity, a fan, a heat exchanger and a fresh air valve are arranged in the first cavity, the second cavity is provided with a placing rack, a getterpump is arranged above the placing rack, a humidifying mechanism is arranged in the second cavity, a water pipe in the humidifying mechanism is connected to a high-pressure atomizing pump outside thedrying chamber, by using the drying chamber, tobacco leaves can be dried, tobacco leaf yellowing can be accelerated in the tobacco leaf drying process, tobacco leaves can be humidified and dampened after being dried, the freshness of the tobacco leaves can be guaranteed in the tobacco leaf humidifying and moisture regaining process, the tobacco leaf quality is improved, the income of tobacco growers is increased, an air source heat pump is adopted, energy consumption is reduced, and the drying chamber is green and environmentally friendly.

Description

Technical field: [0001] The invention relates to the technical fields of air source heat pump drying of tobacco leaves, humidification and rehydration of tobacco leaves, cold storage and preservation of agricultural products, and in particular to an air source heat pump drying room with intelligent freshness preservation and humidification. Background technique: [0002] Tobacco leaves need to be dried after they are picked. At present, there are two ways for tobacco farmers to dry tobacco leaves. The first is natural drying, but it is too time-consuming and requires a large enough site. Because of the weather, the tobacco leaves cannot be dried naturally; the second is to use a heat pump dryer to dry the tobacco leaves. The heat pump dryer uses the reverse Carnot principle to absorb the heat of the air and transfer it to the drying room. In order to realize the drying of tobacco leaves, the drying efficiency of tobacco leaves is greatly improved. However, the existing heat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B3/04F26B9/06F26B21/00F26B23/10F26B25/08F25B30/06
CPCA24B3/04F25B30/06F26B9/06F26B21/00F26B23/10F26B25/08
Inventor 李赫牛潇潇张亚辉王玮娜张开飞程上上赵弋秋郭长乐尚增强
Owner HENAN AGRICULTURAL UNIVERSITY
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