Multi-function rainwater storing and discharging garden device

Abstract

The utility model relates to a multi-function rainwater storing and discharging garden device. The device comprises a sand sedimentation tank; the top of the sand sedimentation tank is provided with an opening; a filter plate is fixedly arranged in the sand sedimentation tank; the filter plate is parallel to the top surface of the sand sedimentation tank; one side of the inner wall of the sand sedimentation tank is provided with a plurality of dovetail grooves; the dovetail grooves are parallel to each other; the top surface of each dovetail groove communicates with outside; a net cage is movably installed in the sand sedimentation tank; the top of the net cage is provided with an opening; one side of the net cage is provided with a plurality of dovetail strips which are parallel to each other; the dovetail strips corresponds to the dovetail grooves one by one; each dovetail strip is simultaneously positioned in one corresponding dovetail groove; and each dovetail strip can respectively and simultaneously slide along one corresponding dovetail groove at a vertical direction. The bank of the landscape pond is provided with a circle of grooves, and the sand and gravel which are cleared out can be laid in the grooves. When the rain tendency is large and rainwater directly flows into the landscape pond without passing through a confluence channel, the sand and gravel can be used toprimarily filter the rainwater, so that purification to the water body by plants in the landscape pond is facilitated.

Description

technical field [0001] The invention belongs to the field of urban landscape technology, in particular to a multifunctional rainwater storage and drainage garden device. Background technique [0002] The rain garden is an ecologically sustainable rainwater control and rainwater utilization facility. The rain garden is a naturally formed or artificially excavated shallow concave green space, which is used to gather and absorb rainwater from the roof or the ground. Through the comprehensive action of plants and sand, the rainwater is purified and gradually infiltrated into the soil, conserving groundwater, or Make it replenish urban water such as landscape water and toilet water. In the existing rain garden, the sediment and large-particle suspended matter in the rainwater must first be settled through the sedimentation device. However, after long-term use, the sediment and large-particle suspended matter settle at the bottom of the sedimentation device, and the water storage...

AI Technical Summary

Problems solved by technology

In the existing rain garden, the sediment and large-particle suspended matter in the rainwater must first be settled through the sedimentation device. However, after long-term use, the sediment and large-particle suspended matter settle at the bottom of the sedimentation device, and the water storage space in the sedimentation device is getting smaller and smaller. The less it is, the poorer the sedimentation effect of the rainwater and the higher the turbidity of the water body. When the rainfall is large, the large particle suspended matter can enter the ecological environment of the water body, which will affect the growth of plants in the water body and reduce the purification capacity of the water body. These sediments can only pass through Manual cleaning is time-consuming and labor-intensive, and the work efficiency is low

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