A plant retention element experimental device for water balance simulation control

Abstract

A plant retention element experimental device for water balance simulation control, which includes a rainwater storage tank, a water pump, an aqueduct, an elbow, a sprinkler, an experimental soil tank, an experimental plant, a water receiving tank, an experimental table, a collection bucket cover, a collection bucket and an experimental Small table; the lower outlet of the rainwater storage tank is connected to the water inlet of the water pump, and the water outlet of the water pump sends the rainwater in the rainwater storage tank to the nozzle connected to the other end of the drainage pipe through the drainage pipe, and the side of the drainage pipe with the nozzle is placed on the On the experimental soil tank, the artificial simulated rainwater is evenly sprayed in the experimental soil tank through the nozzle, the experimental plants are planted on the soil medium of the experimental soil tank, and the artificial rainwater discharged from the bottom of the experimental soil tank flows into the receiving tank, the experimental soil tank and the receiving tank The water tanks are all placed on the experimental table, and the other end of the water tank is connected with a water guide pipe, which is directly connected to the collection bucket. The upper part of the collection bucket is provided with a collection bucket cover. The barrel cover makes the system water volume calculation accurate and reasonable.

Description

technical field [0001] The invention relates to a plant retention unit experimental device controlled by water balance simulation, which is mainly used for dynamic research on plant transpiration, soil evaporation and water balance simulation in the designed plant retention unit under the condition of artificially simulated rainfall. Environmental engineering and ecological engineering fields. Background technique [0002] The dynamic study of the water balance of plant retention is one of the difficulties in the study of urban non-point source water balance. Urban non-point source pollution is intensifying with the rapid development of cities. As one of the best management measures for urban non-point source control, plant retention has a significant effect on the control of urban non-point source pollution. The plant retention element purifies rainwater and reduces pollution by accumulating and reducing peak flow, reducing rainwater discharge, conserving and replenishing...

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Problems solved by technology

[0003] Although domestic and foreign researchers have carried out some indoor and field experiments on water quality and quantity, under the condition of artificially simulated rainfall, factors such as plant transpiration, soil evaporation, and medium water permeability in the plant retention element are considered comprehensively to construct artificially simulated rainfall. The plant retention element experimental device under the control of water balance simulation under the condition has not been reported

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