Solar heat storage heating device for greenhouse heating

Abstract

The invention discloses a solar heat storage heating device for greenhouse heating. The device comprises a solar heat collecting plate, a heat storage tank, a heat exchange pipe and a supporting framework; a heating pipeline is laid on the surface of the solar heat collecting plate; one end of the heating pipeline communicates with a water inlet pipeline; the bottom of the water inlet pipeline isconnected into the heat storage tank in an inserted mode; the heat exchange pipe is laid at the bottom of soil; and a backflow pipeline is arranged in the middle of the supporting framework, one end of the heat exchange pipe communicates with the interior of the heat storage tank, the other end of the heat exchange pipe communicates with the interior of the backflow pipeline, one end of the backflow pipeline is connected into a flow dividing pipeline in an inserted mode, one end of the flow dividing pipeline is fixedly connected with a three-way pipe, and branch openings of the three-way pipecommunicate with the interior of the water inlet pipeline. According to the solar heat storage heating device for greenhouse heating, through cooperative arrangement of the heat storage tank, the heatexchange pipe, the backflow pipeline, the flow dividing pipeline and the water inlet pipeline, a circulating backflow channel can be formed in the heat supply process, the whole or part of a greenhouse can be heated, and the heating effect is stable.

Description

technical field [0001] The invention relates to the technical field of greenhouse heating, in particular to a solar heat storage heating device for greenhouse heating. Background technique [0002] As one of the most important renewable energy sources, solar energy has attracted more and more attention due to its advantages of large total resources, wide distribution, no pollution, and inexhaustible use. The use of solar energy to solve the heating in people's daily life or greenhouse heating is becoming more and more a trend of environmental protection and energy saving; solar energy system is a device that uses solar collectors to collect solar radiation energy to heat water. It is an application product with the most economic value, the most mature technology and commercialization. The classification of solar water heating systems can be divided into three types based on heating cycle methods: natural circulation solar water heaters, forced circulation solar water heater...

AI Technical Summary

Problems solved by technology

[0003] The solar heat storage heating device is composed of a heat collection system and a heat storage system, and is reasonably arranged on site according to the area of ​​the greenhouse. However, the existing solar heat storage heating device for greenhouse heating cannot be better integrated with the main frame of the greenhouse. Combined together, the overall structure is too complicated, resulting in an increase in floor area. In addition, the combination of solar collector panels and heat storage tanks is not perfect, resulting in a low thermal energy storage rate, and the heating pipes are easy to block, which seriously affects the heating effect of the greenhouse. , there is a large instability

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