| 摘要 |
PURPOSE: A hydroponic facility is provided to control the supply height of a culture medium to the height does now exceeding the height of a cultivation pot. CONSTITUTION: A hydroponic tank (110) includes a hydroponic space (111) with an opening on the upper side. A culture medium circulating pipe (120) includes a main pipe circulating a culture medium, and plural branched pipe extended from the main pipe to the upper direction. An overflow pipe (140) includes an overflow unit (141) from the location lower than the upper side of a cultivation pot (130). A thermal insulation block (160) surrounds the outside of the cultivation pot, and fills the hydroponic space. Plural reverse T-shaped pipe (121) forms parts of the main pipe and the branched pipes. A connection hose (122) includes two ends on the longitudinal direction which are water-tightly connected to one facing end of the reverse T-shaped pipe. A culture medium tank (151) includes a storage space for the culture medium. |
