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Simulation device and simulation method for recharge source and pollution control of karst dual water-bearing system

A pollution control and simulation device technology, applied in the field of simulation devices, can solve problems such as the height heterogeneity of karst water-bearing media

Active Publication Date: 2017-12-22
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the heterogeneity of the height of the karst water-bearing medium, the water cycle process of the karst water system has been a hot issue and research difficulty in domestic and foreign academic circles for a long time.

Method used

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  • Simulation device and simulation method for recharge source and pollution control of karst dual water-bearing system
  • Simulation device and simulation method for recharge source and pollution control of karst dual water-bearing system
  • Simulation device and simulation method for recharge source and pollution control of karst dual water-bearing system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] For the convenience of description, the coordinate system is defined as figure 1 shown.

[0082] Such as figure 1 As shown, the recharge source and pollution control simulation device of the karst dual-water system includes a water supply part 1 , a seepage part 2 , a pressure measurement part 4 and a water intake part 5 .

[0083] Such as image 3 and Figure 4 As shown, the seepage part 2 includes a wedge-shaped seepage groove 21 with a semi-closed upper end, and the material is double-layer organic glass. Two grid plates 22 are arranged in parallel in the inside of the seepage tank 21, and the two grid plates 22 are inclined backward and upward, and several water leakage holes are evenly distributed on the grid plates 22, and the The outside of the above-mentioned grid plate 22 is wrapped with 80 mesh screens. As a specific implementation, in this embodiment, the height of the front end of the seepage tank 21 along the vertical direction is 160 cm, the width o...

Embodiment 2

[0091] The second cavity 24 is sequentially provided with a lower layer of fine sand 282 , a silt layer and an upper layer of fine sand 282 from bottom to top for simulating a fault zone, and the rest of the structure is the same as in the first embodiment.

Embodiment 3

[0093] The second cavity 24 is sequentially provided with lower layer silt, silty clay and upper layer silt from bottom to top for simulating a fault zone, and the rest of the structure is the same as that of the first embodiment.

[0094] The recharge source and pollution control simulation device and simulation method of the karst double-water system include the following steps:

[0095] The first step is to prepare the test solution and the seepage medium, specifically,

[0096] a1. Break the oolitic limestone, shale, and Ordovician dolomitic limestone of the Zhangxia Formation respectively, so that the particle size is 2mm-3mm, and then mix the silty clay and shale gravel in a ratio of 3:7, The Zhangxia Formation oolitic limestone, shale and silty clay mixed soil, and Ordovician dolomitic limestone are filled in sequence according to the specified height, and then the medium sand and fine sand 282 are filled to the specified height in two Between the grid plates 22;

[0...

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Abstract

The invention discloses a simulation device for supply source and pollution control of a double karst aquifer system, and further discloses a simulation method utilizing the simulation device. The simulation device comprises a water supply part, a seepage part, a pressure measuring part and a water taking part. The simulation device and the simulation method can be used for simulating a karst large spring discharge multi-source supply process, a karst water pollution remediation effect, the mixture ratio of a confined karst water system drainage spring supply source, the mixture ratio of a phreatic karst water system drainage spring supply source, the mixture ratio of a double karst water system drainage spring supply source, and the impact of a fault zone on the dynamic field of a double-karst water system drainage area. Experimental data obtained with the simulation device can theoretically reveal the evolution of a hydro-dynamic field and a hydro-chemical field during a water cycle process of the double karst aquifer system, the supply proportional composition of a karst water system drainage spring, and the pollution remediation process of a karst water system.

Description

technical field [0001] The present invention relates to a simulation device and a simulation method, in particular to a method for studying the water circulation process in a natural double aquifer karst system, revealing the mixing ratio of multi-source recharge sources of karst large spring flow in the excretion area, and performing double karst water-bearing systems Simulation setup and simulation method for pollution control. Background technique [0002] China's karst landforms are widely distributed and large in area. Limestone, dolomite, marl and other carbonate rock outcrops cover an area of ​​about 910,000 to 1.3 million square kilometers. In northern my country, karst is widely distributed, and karst water resources are very rich. Karst water resources have become important water sources for industrial and mining enterprises, urban life and agriculture because of their excellent water quality and stable water supply. However, with the development of economy and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 邢立亭邢学睿张凤娟李常锁何瑞张文刚徐媛宋广曾黄林显
Owner UNIV OF JINAN
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