Solar greenhouse with heat-storage rear wall

Abstract

The invention discloses a heat-storage rear wall of a solar greenhouse, which comprises an inner maintenance wall A of the rear wall of the solar greenhouse, an exterior maintenance wall B of the rear wall of the solar greenhouse, a polystyrene insulation board, plain soil or sand D backfilled in the rear wall of the solar greenhouse, C20 reinforced concrete cast-in-place slab E and rear wall ventilation ducts F built with hollow building blocks. In the design of the rear wall, the rear wall ventilation ducts F built with the hollow building blocks are mainly used for heat exchange. When interior temperature of the solar greenhouse rises to a certain value, heat and moisture in hot and humid air passing the ducts are exchanged and stored in the rear wall by the hollow building blocks. When the interior temperature of the solar greenhouse drops, solar energy stored in the rear wall is released in air inside the greenhouse by heat exchange. Heat simply used for rising of the interior air temperature of the solar greenhouse is little, so that the interior temperature of the solar greenhouse can be increased effectively through the heat-storage rear wall. The solar greenhouse with the heat-storage rear wall has the advantages of reasonable structure, simplicity in manufacture and operation, high solar utilization rate and the like.

Description

technical field [0001] The invention relates to a solar greenhouse, in particular to a solar greenhouse whose rear wall can store a large amount of heat. The solar greenhouse can store heat according to the temperature distribution in the solar greenhouse, which can greatly improve the thermal insulation performance of the solar greenhouse. Background technique [0002] At present, conventional solar greenhouses use ordinary back walls as their maintenance structures. Due to architectural design defects, the heat storage conditions in solar greenhouses are poor. Although solar radiation provides sufficient energy, a large amount of heat energy cannot be effectively stored in the solar greenhouse due to the problem of heat storage means, which leads to a serious shortage of the overall thermal insulation performance of the solar greenhouse. Through the heat transfer analysis of the back wall of the solar greenhouse, the back wall of the solar greenhouse should have sufficient...

AI Technical Summary

Problems solved by technology

Although many researchers have devoted a lot of time and energy to the study of heat storage in the back wall, due to the complexity and particularity of the heat storage problem in the back wall, this research direction has not touched the key to improving the thermal insulation performance of solar greenhouses.

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