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Simulation regulation and control system and method of percolation performance of aeration zone of river or lake

A technology of regulating system and vadose zone, which is applied in the research field of water and soil resources and environmental engineering, can solve the problems of obvious scale effect and side wall effect, large limitation of simulation results, small size of design device, etc. The effect of strong operability and reduced workload

Inactive Publication Date: 2013-07-03
CHINA AGRI UNIV
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  • Abstract
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Problems solved by technology

But in general, the size of the design device is small, the simulation scale is limited, the scale effect and the side wall effect are obvious, the simulation results are limited, and it is not easy to be widely used in scientific research

Method used

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  • Simulation regulation and control system and method of percolation performance of aeration zone of river or lake
  • Simulation regulation and control system and method of percolation performance of aeration zone of river or lake
  • Simulation regulation and control system and method of percolation performance of aeration zone of river or lake

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Effect test

experiment example

[0075] This test is aimed at the Fengtai section of Yongding River, where the thickness of the vadose zone is 27m. The system is simulated at the optimal scale, soil is taken from the site, and the surface gravel is cleaned. The depth of the soil taken vertically is 27m. The soil column completes the filling of the soil in the vadose zone of the riverbed.

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Abstract

The invention discloses a simulation regulation and control system and method of the percolation performance of an aeration zone of a river or a lake and relates to the technical field of research on water and soil resources and environmental engineering. The system comprises a seepage control device, an aeration zone simulation device, an underground water level regulation and control device anda data monitoring system, wherein the seepage control device comprises a seepage control column and a regulation column; the upper layer of the regulation column is connected with the seepage controlcolumn through a flange plate, and the lower layer of the regulation column is connected with the aeration zone simulation device through a water supply pipeline and a peristaltic pump; the aeration zone simulation device comprises a plurality of soil columns connected in series, and the underground water level regulation and control device comprises an underground water supply Markov bottle and an underground water balancing device which are connected through an underground water supplementing pipeline, and the underground water balancing device is connected with the aeration zone simulationdevice through the underground water supplementing pipeline. By adopting the system and the method, the hierarchical accurate simulation of a layered soil structure is realized, the accurate monitoring of the percolation performance of the aeration zone of the river or the lake is realized, and the simulation precision of the different types of layered soil is greatly improved.

Description

technical field [0001] The invention relates to the technical field of water and soil resources and environmental engineering research, in particular to a simulation control system and method for the infiltration performance of the vadose zone of rivers and lakes. Background technique [0002] As the infiltration system of rivers and lakes, the vadose zone of rivers and lakes is considered as a natural purifier. It can partially or completely remove pollutants in seepage water through a series of physical, chemical and biological actions. However, different river and lake vadose zones have different cleaning effects on seepage water, which is mainly related to the percolation performance of the vadose zone itself. There are many factors affecting the percolation performance of vadose zone in rivers and lakes, mainly including sediment layer composition, structure of vadose zone, infiltration velocity and residence time, temperature, etc. Among them, the composition of the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
Inventor 李云开杨培岭刘澄澄李鹏翔梁名超毛晓敏
Owner CHINA AGRI UNIV
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