Method for simulating transportation and destination of pollutants in karst underground river

A technology of pollutants and karst, applied in the field of pollution hydrogeology, can solve problems such as difficult to reflect the natural phenomenon of the interaction between carbonate rocks and pollutants, and affect the simulation of pollutants

Inactive Publication Date: 2013-10-02
GUILIN UNIVERSITY OF TECHNOLOGY +1
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Problems solved by technology

In the past, people usually used materials such as glass, plastic, and stainless steel to simulate karst underground rivers in the laboratory, but it was difficult to reflect the natural phenomenon of

Method used

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  • Method for simulating transportation and destination of pollutants in karst underground river
  • Method for simulating transportation and destination of pollutants in karst underground river

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Embodiment

[0019] One, such as figure 1 As shown, a karst underground river pipeline model is established, including main stream pipeline 1, tributary pipeline 2, molten pool 3, main stream pipeline water injection hole 4, tributary pipeline water injection hole 5, sampling monitoring hole 6 and pipeline water outlet 7.

[0020] Main stream pipeline 1: 340cm long, composed of limestone pipes with different diameters, the inner diameter varies from 1.0 to 5.0cm, and the outer diameter varies from 2.0 to 10.0cm.

[0021] Branch pipeline 2: a total of 5 branch pipelines 2, the length of which varies from 45 to 110 cm, and are distributed on both sides of the main flow pipeline 1; the branch pipeline 2 is made of limestone pipes, with an inner diameter of 1.0 to 4.0 cm and an outer diameter of 2.0 to 8.0 cm.

[0022] Melting pool 3: Melting pool 3 is composed of hollow spheres made of limestone, and there are two sets in total. One is located on the main flow pipeline 1, with an inner diame...

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Abstract

The invention discloses a method for simulating transportation and destination of pollutants in a karst underground river. The method comprises the following steps of: establishing a pipeline model of the karst underground river, wherein the pipeline model comprises a main-stream pipeline, a plurality of branch-stream pipelines, a plurality of puddles, a plurality of main-stream pipeline water injection holes, a plurality of branch-stream pipeline water injection holes, a plurality of sampling monitoring holes and a pipeline water outlet; and throwing the pollutants into the pipeline model of the karst underground river by a pipeline, simulating the transportation behavior of the pollutants in the karst underground river and the puddles by utilizing the modern sampling detection and automatic detection, revealing the possible actions of convection, dispersion, adsorption, degradation and dilution and the like of the pollutants in the karst underground river, and explaining the destination of the pollutants. The method disclosed by the invention has the advantages that the geological lithology and the hydraulic condition of the karst underground river are simulated, and the high-accuracy, high-density and multi-index automatic monitoring technologies are integrated, so that the method is beneficial to fast and intensive monitoring and multi-plan design in a laboratory and can be used for conducting research on transportation and destination of the pollutants in the karst underground river.

Description

technical field [0001] The invention relates to the technical field of pollution hydrogeology, in particular to a method for simulating the migration and fate of pollutants in karst underground rivers. Background technique [0002] The karst underground river is a typical groundwater storage space in the carbonate rock distribution area in southern my country, and has the characteristics of pipeline flow with complex hydraulic conditions. Due to the close relationship between the karst underground river system and the surface environment, the lack of natural anti-seepage or filter layer, and the illegal sewage discharge behavior, surface pollutants can easily enter the underground river aquifer system directly through karst forms such as sinkholes, thereby polluting groundwater. For example, domestic sewage and industrial wastewater in cities and mining areas often lead to the pollution of organic matter and heavy metals in underground river systems, and underground rivers a...

Claims

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Application Information

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IPC IPC(8): G01N21/64
Inventor 蒋亚萍陈余道眭华生丛莉
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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