Courtyard rainwater collection and utilization system and method
A rainwater collection and garden technology, applied in the field of garden rainwater collection and utilization systems, can solve the problems of large rainwater pollution, slow down rainwater filtration speed, reduce rainwater collection efficiency, etc. Effect
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Embodiment 1
[0040] Such as figure 1 As shown, this embodiment provides a garden rainwater collection and utilization system, including a water collection system, an initial rainwater collection system, a sedimentation system, a filtration system, a water storage system, and a central controller.
[0041] Specifically, such as figure 2 As shown, the water collection system includes a water collection tank 1, and a preliminary screening device 11 and a first water level sensor 12 located in the water collection tank 1, such as Figure 5 As shown, the preliminary screening device 11 includes a screen cloth 111 and a rotating motor 112. The two ends of the screen cloth 111 are connected to the side wall of the water collection tank 1 by a rotating shaft 113, and the rotating shaft 113 at one end is connected to the rotating motor 112, and the rotating shaft 113 at the other end is connected to the collecting tank 1. The side wall of the water tank 1 rotates and cooperates. The first water l...
Embodiment 2
[0048] This implementation provides a method for collecting and utilizing rainwater in a courtyard, which is realized by using the system for collecting and utilizing courtyard rainwater in Embodiment 1, including steps:
[0049] S1. Before it rains, if there is no water in the water collection tank 1, the first water level sensor 12 sends a signal that the water level is 0 to the central controller, and the central controller closes the first valve 61, the second valve 71, the third valve 14, fifth valve 25;
[0050] S2. When it started to rain, the rainwater in the courtyard was collected into the main pipe 13 through the ground pipes and culverts, and the rainwater flowed into the water collection tank 1 through the main pipe 13. After being simply filtered by the screen 111, the rainwater was first stored in the water collection tank 1. The first water level sensor 12 collects the information of the water level in the water collection tank 1, and transmits the above inform...
Embodiment 3
[0057] This implementation provides a method for collecting and utilizing rainwater in a garden, which is realized by using the system for collecting and utilizing rainwater in a garden in Embodiment 1. The steps of the method are basically the same as those in Embodiment 2, and the similarities will not be repeated here. The difference is that:
[0058] In S5: the central controller judges whether the rain stops according to the information transmitted by the first water level sensor 12, and judges whether the last reservoir 5 is full of water according to the information transmitted by the third water level sensor 51, as Figure 4 As shown, if the water level line of the last reservoir 5 does not reach the top of the reservoir 5 and the rain has stopped, the central controller closes the third valve 14 and opens the first valve 61 simultaneously, and the central controller also opens the fifth valve 25. The water in the lower water storage tank 23 enters the second coarse fil...
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