Analog simulation device for pollutant trapping and plant community abatement in land-water ecotone and application

A water and land ecotone, simulation technology, applied in application, plant cultivation, hydraulic model, etc., can solve the problems of lack of effect evaluation, etc., to achieve the effect of promoting retention and purification, improving water quality, and increasing hydraulic retention time

Pending Publication Date: 2021-06-08
YUNNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional materials such as gravel and sand are mostly used in the bank slope structure of the water-land ecotone, and the combination of new porous materials is rarely applied to the reconstruction of the bank slope base, and engineering measures are directly applied to the actual water-land ecotone, and no simulation device has been established to explore its functional effect , lack of effect evaluation before practical application

Method used

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  • Analog simulation device for pollutant trapping and plant community abatement in land-water ecotone and application
  • Analog simulation device for pollutant trapping and plant community abatement in land-water ecotone and application
  • Analog simulation device for pollutant trapping and plant community abatement in land-water ecotone and application

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Experimental program
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Effect test

preparation example Construction

[0028] The preparation of the silicon-based porous ceramic material is derived from the patent number: 202110235005.2, a method for preparing a porous functional material by self-devitrification to construct adsorption sites.

[0029] A method for preparing a porous functional material for self-devitrification to construct adsorption sites, comprising the following steps:

[0030] (1) Grinding: Send the iron tailings into a planetary ball mill to grind them into powder, and sieve out the tailings powder with a particle size distribution range of 30-75 μm;

[0031] (2) Mixing materials: according to mass ratio, tailings powder: shale: (foaming agent+crystallization aid)=(50~70):(20~40):(4~12), total parts 100 parts, Weigh each material and add it to the ball mill tank, mix with deionized water evenly;

[0032] (3) Molding: Fill the mixture evenly in the mold, after the surface is compacted, put it into an oven to dry and shape;

[0033] (4) Firing: put the dried green body in...

Embodiment 1

[0057] Figure 1~5 As shown, a simulation device for trapping pollutants and reducing plant communities in the water-land ecotone. The device system simulates that the lake basin is a water-land transition zone in a certain area of ​​Dianchi Lake, and the parameters of the simulation device are narrowed down according to the hydrogeological data of Dianchi Lake to meet the requirements of the claim, so as to meet the needs of the simulation device system and experiments.

[0058] The wave tank structure of the whole simulation device ③ is a rectangular tank with an open upper end, with a volume of 20*4*2m 3 And filled with 1m deep eutrophic lake water. A wave pusher ① is provided outside the wide side A of the wave tank structure ③ to simulate the lake waters, and the wave pusher ② in the wide side A of the wave tank structure ③ is connected to the wave pusher ①. The wave pushing plate ② is perpendicular to the long side of the wave tank structure ③, and the long side of the...

Embodiment 2

[0067] According to the description of embodiment 1, the wave water tank with specifications (shape and size) identical to that described in embodiment 1 is set, the plant species and quantity to be planted are all the same as embodiment 1, and the number of wave water tanks is three. Select Biwofeng Biotechnology Co., Ltd. Water purification bacteria agent, the dosage of bacteria agent is set to be 0.05%, 0.1% and 0.2% of the volume of the treated water, respectively added to the water bodies of the three simulation devices, and the bacteria are regularly added to the water body during the simulation period (May to September). Water Quality Monitoring Point Monitor water quality indicators and measure plant biomass.

[0068] After running for 5 months, the plant biomass of Populus tomentosa, Amorpha fruticosa, ryegrass, purslane grandiflora, and canna plant amount in the device adding inoculum was not added in the device of embodiment 1 The rate of change was significantl...

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Abstract

The invention relates to an analog simulation device for pollutant trapping and plant community abatement in a land-water ecotone and an application. The device involves the following steps of (1) constructing a wave water tank required by an experiment, arranging a wave pushing device at one end of the simulation device, and simulating and generating water body water conservancy disturbance through a wave pushing plate, so that a generated wave height can reach the distance and height required by the simulation experiment; (2) arranging a water-land ecotone system with a simulation structure on the other end of the device, transforming the shape of a bank slope base to form a trench and a pit, and constructing a novel bank slope in combination with a porous material. (3) planting plants on the bank slope base to form a plant community; and (4) simulating plants with better water quality screening and purifying effects for surface water bodies with different pollution degrees, optimizing the plant community, and constructing the water-land ecotone system with high purifying efficiency. A microbial agent can be added to research the action relation between the microbial agent and the plants and promote the nitrogen and phosphorus removal effect of the land-water ecotone system.

Description

technical field [0001] The invention belongs to the technical field of surface water ecological restoration, and specifically relates to a simulation device for pollutant capture and plant community reduction simulation in the water-land ecotone and its application Background technique [0002] At present, a considerable number of surface water bodies are below the standard of Class III water, and the concentration of pollutants is high, which makes the water ecosystem unbalanced, its function declines, and restricts the construction of ecological civilization. According to the 2018 Bulletin on the State of the Ecological Environment in China, among the 1,935 water quality sections monitored across the country, 29% of the surface water bodies were below Class III water standards, and heavy metals and organic pollutants exceeded the standard in some monitoring points . In the trophic monitoring of 107 important lakes, 29% of the lakes are in eutrophication state, and 61.7% a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G9/02A01G9/029A01G17/00A01G20/00A01G22/00C02F3/32C02F3/34E02B1/02
CPCA01G9/023A01G9/027A01G17/00A01G9/0295A01G20/00A01G22/00C02F3/32C02F3/34E02B1/02
Inventor 刘睿黄菲宋梦廷闻昕宇周星星肖瑶姜彬慧
Owner YUNNAN UNIV
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