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Heat pump drying and heating system powered by solar energy and wind energy in complementary mode

A solar wind energy, heat pump drying technology, applied in heating systems, wind power generation, household heating, etc., to achieve the effect of strengthening convective heat transfer, improving comprehensive utilization rate, and improving drying effect

Inactive Publication Date: 2014-04-16
YUNNAN NORMAL UNIV
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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 overcome the deficiencies in the above technologies, and provide a heat pump drying and heating system with solar and wind energy complementary energy supply, which combines solar energy and wind energy to generate electricity, can effectively improve the comprehensive utilization rate of solar energy and wind energy, and save energy Moreover, the energy supply is stable and sustainable, which reduces environmental pollution and avoids problems such as the reduction in the quality of agricultural products caused by artificial drying.

Method used

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  • Heat pump drying and heating system powered by solar energy and wind energy in complementary mode

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Experimental program
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Effect test

Embodiment 1

[0017] In winter or rainy weather, the solar irradiance is small, and the thermal efficiency of the air collector is low. At this time, valve b is closed, valves a, c, and d are opened, and the heat pump uses the above-mentioned stored electric energy to extract heat from the ambient medium. After raising the temperature, it is sent into the drying room through the pipeline to continuously dry the agricultural products or supply indoor heating; in summer, the indoor heat is taken out and released into the environmental medium to achieve the purpose of cooling.

Embodiment 2

[0019] In summer, the solar irradiance is strong. At this time, valves a, c, and d are closed, and valve b is opened. After the solar radiation passes through the glass cover of the air collector, it is projected onto the heat-absorbing plate of the collector. It is absorbed by the heat absorbing plate and converted into heat energy, which is used to heat the air in the heat collector to increase its temperature. The fan sends the hot air into the drying room through the pipe, and transfers the heat to the dried agricultural products to achieve the best drying effect of the agricultural products. Purpose.

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Abstract

A heat pump drying and heating system powered by solar energy and wind energy in a complementary mode comprises a solar photovoltaic module, a wind power generation system, a storage battery, an air heating collector, a draught fan, a heat pump, a controller, a drying chamber and a house, wherein the output end of the solar photovoltaic module and the wind power generation system is divided into two branches (I and II), the branch II is connected to the storage battery, the storage battery is connected with the heat pump through the controller, two branches of the heat pump are connected with the house and the drying chamber respectively, the branch I is directly connected with the heat pump through the controller, the air heating collector is divided into two branches (III and IV), the branch III is connected with the heat pump, and the branch IV is directly connected with the drying chamber. The heat pump drying and heating system powered by the solar energy and the wind energy in the complementary mode can generate electricity by combining the solar energy and the wind energy, effectively improve the comprehensive utilization rate of the solar energy and the wind energy, lower environmental pollution, achieve the purpose of continuously drying agricultural products, avoid the problem that the quality of the agricultural products is lowered due to manual airing, and provide a heat source for heat supply of the house.

Description

technical field [0001] The invention relates to a heat pump drying and heating system, in particular to a heat pump drying and heating system with complementary energy supplied by solar and wind energy, and belongs to the technical field of new energy. Background technique [0002] As the energy crisis and the greenhouse effect become more and more serious, the national policy is gradually inclined to the direction of energy conservation and emission reduction. Among them, solar photovoltaic and wind energy and their application are an important part of the energy saving and emission reduction, and also an important part of renewable energy, and gradually become the hot spot and mainstream of green energy. [0003] Renewable energy such as solar energy and wind energy has the characteristics of cleanness, pollution-free, wide distribution, and unlimited reserves. However, both wind energy and solar energy have the weakness of low energy density and poor stability, and are af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B23/00F24D15/04H02S10/12H02S10/20H02J7/35
CPCY02E10/766Y02E10/566Y02B10/10Y02E10/56Y02E10/76Y02E70/30Y02P70/10
Inventor 季旭宋向波冷从斌李明罗熙谭礼军
Owner YUNNAN NORMAL UNIV
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