| 摘要 |
PROBLEM TO BE SOLVED: To provide a greenhouse capable of efficiently obtaining heated air with sunrays and maintaining an environment required for the growth of plants when the temperature in the greenhouse cannot usually be ensured at a prescribed value, storing heat in soil, preventing the freezing together, feeding oxygen, activating the photosynthesis and further providing similar actions and effects by auxiliary heating even when sunrays cannot effectively be obtained. SOLUTION: This greenhouse 1 is obtained by installing a solar heat collection panel and a circulating heat storage apparatus comprising a down blasting pipe, a buried heat storage pipe connected to the down blasting pipe and a riser blowoff pipe from the buried heat storage pipe, arranging a handling box equipped with an inflow changeover damper, a blasting fan, a warming panel and an outflow changeover damper in the down blasting pipe, connecting a part where the inflow changeover damper is arranged to a heat collection duct and a return duct opened to the interior of the greenhouse 1, connecting a warming panel to an auxiliary boiler and further connecting the part where the outflow changeover damper is installed to the buried heat storage pipe and circulating blowoff ports opened to the interior of the greenhouse 1.
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