Solar assisted heat pump drying system

A heat pump drying and heat pump system technology, applied in the drying field, can solve problems such as unreasonable structure and low energy utilization rate, and achieve the effect of improving adaptability

Active Publication Date: 2019-08-20
XIAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing solar-assisted heat pump drying system has simple and unreasonable structure and low energy utilization rate

Method used

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  • Solar assisted heat pump drying system
  • Solar assisted heat pump drying system
  • Solar assisted heat pump drying system

Examples

Experimental program
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Effect test

Embodiment Construction

[0047] A kind of solar energy auxiliary heat pump drying system is provided in this embodiment, such as figure 1 As shown, the solar assisted heat pump drying system includes a drying chamber 41, a two-stage compression heat pump system and a solar vacuum heat pipe heat collection system, and the two-stage compression heat pump system is connected to the drying chamber 41 and used to dry the air through a drying medium. The chamber 41 provides the heat energy required for drying, and the solar vacuum heat pipe heat collection system is connected with the drying chamber 41 and is used to provide the heat energy required for drying to the drying chamber 41 through the drying medium. The solar vacuum heat pipe heat collection system is connected with the drying chamber 41. a two-stage compression heat pump system connected and used to preheat the drying medium entering said two-stage compression heat pump system;

[0048] The drying chamber 41 is a closed drying space for the art...

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Abstract

The invention discloses a solar assisted heat pump drying system. The solar assisted heat pump drying system comprises a drying chamber, a two-stage compression type heat pump system and a solar vacuum heat pipe heat collecting system; the two-stage compression type heat pump system is connected with the drying camber and is used for supplying heat energy required for drying to the drying chamberthrough a drying medium; the solar vacuum heat pipe heat collecting system is connected with the drying chamber and is used for supplying the heat energy required for drying to the drying chamber through the drying medium; and the solar vacuum heat pipe heat collecting system is also connected with the two-stage compression type heat pump system and is used for preheating the drying medium which enters the two-stage compression type heat pump system. According to the heat pump system disclosed by the invention, two compressors are arranged in parallel, so that enough heat energy can be supplied to the system; a condenser and a secondary condenser are connected in parallel; multi-position control of the temperature of the drying medium can be realized; and the heating efficiency of the heatpump system can be ensured through the heat exchange of the secondary condenser and the condenser.

Description

technical field [0001] The invention belongs to the technical field of drying, and in particular relates to a solar-assisted heat pump drying system. Background technique [0002] The main purpose of drying is to reduce the moisture content in the material, reduce the corruption caused by excessive moisture content, improve the stability of the material, reduce the cost of material transportation, etc., so as to realize the efficient use of the material. The heat pump drying system can effectively recover and utilize the heat of the air, so it is used more and more widely. With the advancement of technology and the enhancement of people's awareness of energy conservation and environmental protection, the solar assisted heat pump drying system has been rapidly promoted and applied. The current solar-assisted heat pump drying system mainly saves a certain amount of energy consumption through solar energy. However, the existing solar-assisted heat pump drying system has a sim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/06F25B30/02F24S10/40F28D15/04F26B23/00F25B41/20
CPCF25B30/02F24S10/40F28D15/04F26B23/00F25B41/31Y02E10/44
Inventor 薛韩玲吴业豪万学宁陈柳
Owner XIAN UNIV OF SCI & TECH
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