Double heat absorption combined solar energy air heater

Abstract

The invention relates to a double heat absorption combined solar energy air heater which is characterized in that a double heat absorption combined solar energy air heater group is formed by distributing and arranging a plurality of sets of double heat absorption combined solar energy air heaters, wherein, each set of double heat absorption combined solar energy air heaters is formed by connecting the above double heat absorption combined solar energy air heaters with the same size in series; each double heat absorption combined solar energy air heater is composed of a housing, a transparent plate, a heating plate, a hot air pipe, an insulating layer plate and a vacuum heating pipe. The invention has reasonable design and compact structure, increases illumination surface to improve heat ability and efficiency and adds an energy storing bed which can store heat and store cold; in addition, the air heater has an internal heat circulation function to increase the temperature of heated air, so that the air heater is suitable for supplying heat in heating time in winter and supplying cold in summer, saves space, is convenient to maintain and use, etc.

Description

Technical field [0001] The invention belongs to solar air heating equipment, and particularly relates to a double heat absorption composite solar air heater. Background technique [0002] With the rapid development of my country's economy, the pressure on energy demand is increasing, and the requirements for energy conservation, emission reduction, and sustainable development are becoming increasingly urgent. In recent years, the development of solar thermal utilization products has also received more and more attention, which fully shows that solar thermal utilization has great potential. Among them, various solar heating devices that use air as the medium are entering the market more and more quickly; at present, the common solar air heaters on the market can be generally divided into flat heaters and vacuum tube heaters. They each independently absorb solar energy and convert them into heat. After a patent search, its patent number is ZL200820011997.0, a patented product of ...

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Problems solved by technology

[0004] 2. Due to the intermittency and instability of solar energy, the device is greatly affected by sunlight, and it is difficult to function at night and in rainy and snowy days

[0005] 3. The temperature of the heated air is not high enough, and the heating capacity for indoor heating in winter in Northeast China is insufficient. At the same time, it does not meet the requirements for some industrial and agricultural fields such as wood drying, grain drying, and industrial preheating, which limits its practical application.

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