CN104282214A - Pipeline flow tracer test comprehensive device of pressure bearing karst aquifer system - Google Patents
Pipeline flow tracer test comprehensive device of pressure bearing karst aquifer system Download PDFInfo
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- CN104282214A CN104282214A CN201410596974.0A CN201410596974A CN104282214A CN 104282214 A CN104282214 A CN 104282214A CN 201410596974 A CN201410596974 A CN 201410596974A CN 104282214 A CN104282214 A CN 104282214A
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Abstract
The invention relates to a pipeline flow tracer test comprehensive device of a pressure bearing karst aquifer system. The pipeline flow tracer test comprehensive device is composed of an overflow trough for controlling the water level of the whole aquifer system, a loose sand trough containing even media, three seepage pipelines different in length in a trough body, observation holes and water outlet sampling holes, wherein the seepage pipelines are provided with micropores and maintain hydraulic connection with the loose sand layer. A tracer agent injection pipe hole and a control valve are arranged at the most front water inlet end of each pipeline. The water level of the water inlet end and the water outlet end of the overflow trough is used for controlling the changes of the underground flow field of the aquifer system of a simulation trough, and the dual-medium environment with even hole seepage and pipeline flow is formed. Water is supplied through a submersible pump in the test, an automatic collecting system is used for recording the water level of an aquifer, samples are regularly collected from the sampling holes, the peak value features of the changes of the concentration of the tracer agent in the karst pipeline flow in the submersible water (confined groundwater) karst aquifer system are obtained through tracer agent concentration curve features, and scientific basis is provided for finding the development law of karst channels in the underwater system in field carbonate areas.
Description
Technical field
The present invention relates in the pressure-bearing karst aquifer system of a kind of simulation karst area and there is karst test unit.Adopt tracer test method, detecting and drop into the pipeline developmental state of holding and there is different scale and flexibility the uniform aquifer System medium water side from tracer agent, providing important research method for detecting Karst corridor development degree in water-bearing zone, karst area, mine.
Background technology
In the mining area in complex karst area, be safe working mineral resources, need to find out Karst corridor developmental state in carbonate water-bearing zone.Except conventional hydrogeological exploration method, field tracer test is adopted to be the comparatively effective method of exploration indirectly of one.Utilize sampled point tracer concentration dynamic change characterization, crack or solution crack developmental pathway situation limestone aquifer can detecting from tracer agent release position to acceptance point, test analysis is mainly carried out from macroscopic view in field, for studying its Changing Pattern from microcosmic, invent a kind of based on the experiment simulator under this condition, research is under different hydrogeological condition, and Karst corridor developmental state in anaerobic condition, for scientific explarnation site test phenomenon provides very important foundation.
Existing fissuted medium tracer test device adopts parallel plate model, and this model is only limitted to crack water movement, does not relate to dual media karstic ground water streaming system, especially pipeline stream ground water movement problem in uniform dielectric.Invent this combined test apparatus, for additional hydrogeological exploration technique study and karst area Hydrogeological Analysis, there is actual directive significance.
Summary of the invention
For existing ground water regime model weak point, the present invention is a kind of combined test apparatus model of the dual media karst aquifer system pipeline stream by boundary Control, utilize tracer test method, solve the sensible law of development of karst in karst aquifer system, a kind of test method effectively is easily provided.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
1, a kind of pipeline stream tracer test integration unit of pressure-bearing karst aquifer system, it is characterized in that: this device is by overflow groove, the loose sand simulated slot of controlling water level, five part compositions such as the seepage flow pipeline of micropore, several observation ports and water outlet thief hole are with in cell body, in addition, tracer agent is had to inject the related accessories such as pore and operation valve.
Further, be provided with tracer agent foremost at every root pipe water and inject pore and operation valve.
2, further, simulation cell body top edge is back up pad, above covers rubber blanket, and organic glass cover plate.
Further, three band micropores also have the seepage flow pipeline twining silk, and its type is three kinds, warpage, bending and straight line etc., and be linked by four-way and rising pipe, by-pass valve control is all established in junction.
Further, utilize into and out of the whole simulated slot ground water field of water end (W.E.) overflow groove water lev el control, the pipeline of three types adopts differing heights overflow groove to control its SEA LEVEL VARIATION respectively.
Further, all observation ports and water outlet thieff hatch all twine silk parcel.
The beneficial effect of the pipeline stream tracer test integration unit of a kind of pressure-bearing of the present invention karst aquifer system is as follows:
1, be provided with observation port and water outlet thief hole bottom simulated slot of the present invention, tubularpH sensor and sampling monitoring can be realized simultaneously.
2, this device is except the pipeline stream tracer test in simulation pressure-bearing karst aquifer system, also can pipeline stream tracer test in simulated dive karst aquifer system.This model equipment both can simulate single pipeline stream tracer test, also can simulate manifolds stream tracer test, had extensive propagation and employment and was worth.
Accompanying drawing explanation
Fig. 1 is the pipeline stream tracer test integration unit structural drawing of a kind of pressure-bearing karst aquifer of the present invention system.
Fig. 2 is overflow groove structure schematic diagram of the present invention.
Fig. 3 is simulated slot inner structure schematic diagram of the present invention.
Description of reference numerals: the handle of 1-controlling water kick groove height; 2-nut; 3-water-level regulator; 4-spill box; 5-overflow groove; 6-supply tank; The threaded journal stirrup of 7-; 8-return pipe; 9-screw bracket; 10-water inlet pipe; 11-feed pipe; The threaded bearing of 12-; 13-inlet valve; 14-water supply valve (1); 15-water leg; 16-submersible pump; 17-throws in tracer agent hole; 18-screw hole; 19-organic glass cover plate; 20-rubber blanket; 21-back up pad; 22-simulated slot; 23-tracer agent operation valve; 24-tracer agent injects pore; 25-seepage flow pipeline (1); 26-is with the four-way of valve; 27-bis-pass joint; 28-overflow plate; The narrow meshed buffer board of 29-; 30-water outlet thief hole; 31-pipeline water level observation port; 32-layer of sand water-level observation hole; 33-appliance stand; 34-rubber tube; 35-sensor; 36-vasculum; 37-computer; 38-rising pipe; 39-flowing water Valve; 40-run-down pipe; 41-water supply valve (2); 42-water supply valve (3); 43-water supply valve (4); 44-seepage flow pipeline (2); 45-seepage flow pipeline (3); 46-osculum; 47-pulley
Embodiment
For making goal of the invention of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing and concrete implementation step, the present invention is described in detail:
As shown in Figure 1, this device is by overflow groove 5, the loose sand simulated slot 22 of controlling water level, and three band flow in micro porous media pipelines 25,44,45 in cell body, several layer of sand water-level observation holes 32, pipeline water level observation port 31 and water outlet thief hole 30 etc. five part forms.In addition, be provided with tracer agent foremost at every root pipe water and inject pore 24 and operation valve 23.Three band flow in micro porous media pipelines are connected with rising pipe by four-way, and valve is all established in junction, and seepage flow pipeline periphery all twines silk parcel.
Simulation cell body upper brim edge is organic glass back up pad 21, and has rubber blanket 20, then seals formation pressure-bearing environment with cover plate 19, pipeline stream tracer test in simulation pressure-bearing karst aquifer system.
Overflow groove 5 comprises supply tank 6 and spill box 4.Overflow groove 5 upper end arranges water-level regulator 3.With nut 2, threaded journal stirrup 7, threaded bearing 12 in water-level regulator, adjusting screw(rod) 9 one end successively through nut, screw thread on journal stirrup and to stretch in bearing threads turn with it, and by handle 1 height up and down thus Control experiment model water level.Utilize the water level into and out of the whole simulated slot of water end (W.E.) overflow groove water lev el control, form a seepage action of ground water environment, be in three pipelines in seepage environment and adopt differing heights overflow groove to control its SEA LEVEL VARIATION.Entered for water end (W.E.) overflow groove by submersible pump 16 in test, what realize supplying water in process of the test recycles, and by water unnecessary in osculum 46 discharger.
Simulated slot and seepage flow duct bottom are provided with some water-level observation holes twining filamentary webs, it is connected with level sensor by rubber tube 34, access computer 37 by vasculum 36, the water outlet thief hole 30 twining silk with seepage flow duct bottom forms a complete recording geometry.Utilize the change of water-bearing zone water level in automatic collecting system record process of the test, and sample is shown in timing collection from thief hole.
A pipeline stream tracer test integration unit for pressure-bearing karst aquifer system, test enforcement comprises following two kinds of situations:
(1) single pipeline stream tracer test
Before test, preparation finite concentration tracer agent, sand is loaded in simulated slot 22 and three band flow in micro porous media pipelines 25,44,45, and seepage flow Pipe installing is good, the four-way 26 opening band valve controls the valve of crack pipeline 25, closes inlet valve 13, water supply valve 14, water supply valve 41, water supply valve 42, water supply valve 43, flowing water Valve 39, the four-way 26 being with valve and tracer agent operation valve 23.
In test, first open inlet valve 13, by water on water inlet pipe 10, after supply tank 6 is full of water, open water supply valve 14, water supply valve 42 carries out water-filling respectively to experimental tank 22 and seepage flow pipeline 25, allow sand be in state of saturation.Open flowing water Valve 39, when water level reach a certain height, utilize water-level regulator 3 to regulate the height of overflow groove 5, controlling water level.Regulate arranged on left and right sides overflow groove height, make the underground water table in simulated slot and seepage flow pipeline keep a flow state.After trough inner water position is stable, open tracer agent operation valve 23, instantaneous injection tracer agent in tracer agent ascending pipe 24.By each observation port waterlevel data of automatic collecting system real time record pilot system, sample from each water delivering orifice simultaneously, and measure solution concentration.
(2) manifolds stream tracer test
Before test, sand is loaded in simulated slot 22 and three band micro hole seepage flow pipelines 25,44,45, and seepage flow Pipe installing is good, open the valve be with and the four-way 26 of valve controlled seepage flow pipeline 25,44,45, close inlet valve 13, water supply valve 14, water supply valve 41, water supply valve 42, water supply valve 43, flowing water Valve 39, the four-way 26 being with valve and tracer agent operation valve 23.
In test, first inlet valve 13 is opened, by water on water inlet pipe 10, after supply tank 6 is full of water, open water supply valve 14, water supply valve 41, water supply valve 42, water supply valve 43 carry out water-filling respectively to experimental tank 22 and seepage flow pipeline 25, seepage flow pipeline 44, seepage flow pipeline 45, open the valve be with and the four-way 26 of valve controlled seepage flow pipeline 25,44,45, allow sand be in state of saturation.Open flowing water Valve 39, when water level reach a certain height, utilize water-level regulator 3 to regulate the height of overflow groove 5, make the underground water table in simulated slot and seepage flow pipeline keep a flow state.After trough inner water position is stable, open tracer agent operation valve 23, instantaneous injection tracer agent, each observation port water level of real time record, simultaneously from each water delivering orifice timing sampling, and measure solution concentration.
Above-mentioned example only illustrates technical pattern of the present invention and method, and all improvement done according to the above description or conversion, all should be encompassed in the protection domain of claims of the present invention.
Claims (6)
1. the pipeline stream tracer test integration unit of a pressure-bearing karst aquifer system, it is characterized in that: this device is by overflow groove, the loose sand simulated slot of controlling water level, five part compositions such as the seepage flow pipeline of micropore, several observation ports and water outlet thief hole are with in cell body, in addition, tracer agent is had to inject the related accessories such as pore and operation valve.
2. the pipeline stream tracer test integration unit of pressure-bearing karst aquifer system as claimed in claim 1, is characterized in that: be provided with tracer agent foremost at every root pipe water and inject pore and operation valve.
3. the pipeline stream tracer test integration unit of pressure-bearing karst aquifer system as claimed in claim 1, is characterized in that: simulation cell body top edge is back up pad, above covers rubber blanket, and organic glass cover plate.
4. the pipeline stream tracer test integration unit of pressure-bearing karst aquifer system as claimed in claim 1, it is characterized in that: three band micropores also have the seepage flow pipeline twining silk, its type is three kinds, warpage, bending and straight line etc., be linked by four-way and rising pipe, by-pass valve control is all established in junction.
5. the pipeline stream tracer test integration unit of pressure-bearing karst aquifer system as claimed in claim 1, it is characterized in that: utilize into and out of the whole simulated slot ground water field of water end (W.E.) overflow groove water lev el control, the pipeline of three types adopts differing heights overflow groove to control its SEA LEVEL VARIATION respectively.
6. the pipeline stream tracer test integration unit of pressure-bearing karst aquifer system as claimed in claim 1, is characterized in that: all observation ports and water outlet thieff hatch all twine silk parcel.
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| CN201410596974.0A CN104282214A (en) | 2014-10-29 | 2014-10-29 | Pipeline flow tracer test comprehensive device of pressure bearing karst aquifer system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427730A (en) * | 2015-12-30 | 2016-03-23 | 济南大学 | Karst area window transfluence system simulation device and simulation method |
| CN105513477A (en) * | 2015-12-30 | 2016-04-20 | 济南大学 | Apparatus and method for simulating water environment quality evolution of artificial recharge karst water system |
| CN105841744A (en) * | 2016-05-11 | 2016-08-10 | 吴庆伟 | Similar material simulation experiment apparatus and test method for pipeline crossing river |
| CN106066389A (en) * | 2016-08-18 | 2016-11-02 | 济南大学 | The double aqueous system supply source of karst and Environmental capacity analog and analogy method |
| CN107462497A (en) * | 2017-08-22 | 2017-12-12 | 中国地质大学（武汉） | A kind of individual well injects tracer experiment sunykatuib analysis system of drawing water |
| CN109633764A (en) * | 2018-12-18 | 2019-04-16 | 济南大学 | A method of the horizontal seepage channel in runoff area is determined using tracer technique |
| CN109655395A (en) * | 2019-01-30 | 2019-04-19 | 北京城建勘测设计研究院有限责任公司 | A kind of experiment casing for simulating multi-layer Underground Water laminar motion |
| CN110133217A (en) * | 2019-05-15 | 2019-08-16 | 河海大学 | Water-bearing layer experimental simulation device |
| CN110426504A (en) * | 2019-07-30 | 2019-11-08 | 山东大学 | Karst aquifer sandbox pilot system and method based on tracer waterpower tomographic inversion |
| WO2020000557A1 (en) * | 2018-06-25 | 2020-01-02 | 山东大学 | Indoor tracer test system employing pipe to perform inversion of karst medium properties |
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| CN203338666U (en) * | 2013-03-21 | 2013-12-11 | 安徽理工大学 | Confined-unconfined aquifer experiment simulation device |
| CN203821294U (en) * | 2014-02-19 | 2014-09-10 | 河海大学 | Model test device for simulating reservoir earth dam seepage damage developing process |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427730A (en) * | 2015-12-30 | 2016-03-23 | 济南大学 | Karst area window transfluence system simulation device and simulation method |
| CN105513477A (en) * | 2015-12-30 | 2016-04-20 | 济南大学 | Apparatus and method for simulating water environment quality evolution of artificial recharge karst water system |
| CN105841744A (en) * | 2016-05-11 | 2016-08-10 | 吴庆伟 | Similar material simulation experiment apparatus and test method for pipeline crossing river |
| CN106066389A (en) * | 2016-08-18 | 2016-11-02 | 济南大学 | The double aqueous system supply source of karst and Environmental capacity analog and analogy method |
| CN107462497A (en) * | 2017-08-22 | 2017-12-12 | 中国地质大学（武汉） | A kind of individual well injects tracer experiment sunykatuib analysis system of drawing water |
| CN107462497B (en) * | 2017-08-22 | 2024-05-10 | 中国地质大学（武汉） | Single well injection-water pumping tracing experiment simulation analysis system |
| WO2020000557A1 (en) * | 2018-06-25 | 2020-01-02 | 山东大学 | Indoor tracer test system employing pipe to perform inversion of karst medium properties |
| US10989702B2 (en) | 2018-06-25 | 2021-04-27 | Shandong University | Laboratory tracer experiment system for medium characteristic inversion of karst conduit |
| CN109633764A (en) * | 2018-12-18 | 2019-04-16 | 济南大学 | A method of the horizontal seepage channel in runoff area is determined using tracer technique |
| CN109655395A (en) * | 2019-01-30 | 2019-04-19 | 北京城建勘测设计研究院有限责任公司 | A kind of experiment casing for simulating multi-layer Underground Water laminar motion |
| CN110133217A (en) * | 2019-05-15 | 2019-08-16 | 河海大学 | Water-bearing layer experimental simulation device |
| CN110426504A (en) * | 2019-07-30 | 2019-11-08 | 山东大学 | Karst aquifer sandbox pilot system and method based on tracer waterpower tomographic inversion |
| WO2021017195A1 (en) * | 2019-07-30 | 2021-02-04 | 山东大学 | Karst aquifer sand box test system and method based on tracing hydraulic chromatography inversion |
| US11237092B2 (en) | 2019-07-30 | 2022-02-01 | Shandong University | Sandbox test system and method for karst aquifer based on tracer-hydraulic tomography inversion |
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