Cyclic aeration subsurface oxygen irrigation system
A technology of cyclic aeration and oxygen irrigation, which is applied in the field of agricultural irrigation, can solve the problems of limited and temporarily anoxic air mixing ratio of plant roots, and achieve the effects of diverse functions, wide range of air mixing ratio, and flexible and convenient adjustment.
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[0013] Example 1, see figure 1 , the first three-way 7 and the second three-way 8 are installed on the main water delivery pipe 6, and the third water volume control valve 11 is installed on the main water delivery pipe 6 between the two three links; the main water delivery pipe 6 is passed through the first The first three-way 7 and the second three-way 8 are connected in parallel with the aeration water storage tank 1 with the exhaust valve 2, and the exhaust valve 2 is located at the top of the aeration water storage tank 1 to facilitate the aeration of the aeration water storage tank 1 Air removal during water intake; Venturi jet 3 and booster pump 4 are connected to the outside of the aeration water storage tank 1, and the booster pump 4 is connected in series with the Venturi jet 3 and connected to the aeration water storage tank through a connecting pipe The tank 1 is connected, and the branch water flow direction formed by the booster pump 4 and the Venturi jet 3 is fr...
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