CN105355128A - Adjustable multistage underground current system test apparatus - Google Patents
Adjustable multistage underground current system test apparatus Download PDFInfo
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- CN105355128A CN105355128A CN201510888188.2A CN201510888188A CN105355128A CN 105355128 A CN105355128 A CN 105355128A CN 201510888188 A CN201510888188 A CN 201510888188A CN 105355128 A CN105355128 A CN 105355128A
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
The invention provides an adjustable multistage underground current system test apparatus. The apparatus is composed of five parts, i.e., a simulation groove, a water drawing apparatus, a seepage pipeline maintaining waterpower connection between each apparatus, a pressure measuring apparatus and a power supply apparatus. The simulation groove is hollow inside and is provided with an opening at an upper end, and narrow side surfaces at two ends are provided with fixed water level boundaries. The length side surface of the simulation groove is provided with tracer holes and observation holes, and a water discharge hole is arranged at the bottom. The observation holes are connected with a pressure measuring pipes on a pressure measuring plate for recording correlation data. In a test process, power is supplies to the boundaries through the water drawing apparatus, the position and the depth of the water drawing apparatus inside the simulation groove are changed, multistage underground current flowing conditions are represented vividly from multiple angles by use of the tracer holes and the observation holes, and a scientific basis is provided for research on an underground current system.
Description
Technical field:
The present invention relates to one is determining under head boundary condition, and adjustable multilevel groundwater flow system test unit, belongs to field of hydraulics.
Background technology:
In water geology, the concept of drawing-in system goes to solve groundwater flow system, using groundwater flow as an organic system, goes to investigate, analysis and treament Groundwater Flow problem from the angle of system.Tuo Te (Toth) utilizes analytic solution to obtain flowing underground water system in homogeneous isotropy diving basin first, and has drawn local, the nested type groundwater flow system of not at the same level time that is middle, region.Engelen analyzes some physical mechanism of groundwater flow system, establishes the groundwater flow system analytical approach having more operability.Since the eighties in 20th century, I crosses hydrogeologist by the application of groundwater flow theory with region hydrogeology analyzes, and solves various practical problems.And utilize the method for physical simulation and mathematical simulation to carry out Study of The Underground flow promoter system.
Groundwater flow system refers to and is made up of to the stream interface group converged source, has the body of groundwater of unified temporal-spatial erosion process.But in existing multilevel groundwater flow system test unit, under only considering to there is the condition of rainfall, Groundwater Flow situation.And in designed device, osculum is fixed, research approach utilized in one apparatus is less.Be in ZL200820066726.5 patent in the existing patent No., its waste pipe is comparatively fixing, in pilot demonstration process, can not change its position to reach multivariant Study of The Underground flow promoter system problem.Be in like manner that also existing such in the patent of ZL201110406464.9 is topic in the patent No..Accordingly, invent and determining water level boundary condition, inner water plug not only can change its spatially position (comprising on horizontal and vertical direction), and can change the quantity of water plug.Utilize multiple research approach to study the test unit of the groundwater flow system of multilevel.The temporal-spatial erosion process of research to water quality, the water yield, water temperature of groundwater flow system has great significance.
Summary of the invention:
The object of this invention is to provide and a kind of determining under water level boundary condition, adopt kinds of schemes adjustable multilevel groundwater flow system test unit, vibrational power flow is reasonable, can the level time property of simulate formation flow promoter system more realistically.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is: a kind of adjustable multilevel groundwater flow system test unit, it is characterized in that: this device is by the seepage flow pipeline keeping hydraulic connection between simulated slot, water plug, each device, and pressure tester and water supply installation five part form.Each several part connection is mainly: simulated slot both sides are for determine head boundary, and water supply installation carries out water yield supply by keeping the seepage flow pipeline of hydraulic connection to determine head boundary to simulated slot both sides; There is the water plug of three simulated slot inside; Simulated slot length side is distributed with spike hole and pressure measurement pipe nipple, utilizes pressure measurement flexible pipe to be connected to piezometric tube on pressure measurement plate; Water yield size is controlled by operation valve between each device.
Further, simulated slot is that organic glass is made, the structure of upper end open, and length and be highly all greater than width.Have a waste pipe bottom simulated slot, waste pipe crosses simulation cell body, and be still retained in the part of simulated slot inside with being tied with gauze screen, the part of stretching out outside simulated slot is provided with an operation valve.
Further, both sides, simulated slot internal pinch side are fixed with circular hole and are tied with the baffle plate of gauze screen, prevent gravel from flowing out.At the baffle plate on both sides and the gap location of simulated slot for determine water level border, and carry out the supply water yield by water supply installation.Water supply installation is made up of submersible pump and water tank.
Further, the length side of simulated slot is distributed with three rows, 43 spike holes, wherein one is horizontally-arrangedly distributed in opening boundary; Two vertical setting of types are distributed in determines water level boundary.Spike hole place is provided with spike pipe, and spike pipe crosses whole simulated slot, and the part cover stretching out simulated slot has rubber tip, and the part being retained in simulated slot inside is tied with gauze screen, prevents inner gravel from flowing out.
Further, the length side of simulated slot is also distributed with five rows, 37 pressure measurement pipe nipples simultaneously, pressure measurement pipe nipple crosses simulated slot, and the part be retained in simulated slot is tied with gauze screen, and the part of stretching out simulated slot is connected to by pressure measurement flexible pipe on the piezometric tube device on pressure measurement plate.
Further, have three water plugs in simulated slot inside, water plug is made up of filtration unit, compact submersible pump and submersible pump rising pipe.Filtration unit is that organic glass is made, and surrounding is distributed with a large amount of apopore and surrounding is tied with gauze screen.Two baffle plates are arranged at device top, are stuck in simulated slot opening part, can move around along simulated slot opening part.Filtration unit length can change, and the filtration unit of different length can be selected in process of the test to test.
Further, three compact submersible pumps are placed in three filtration units, and by the rising pipe of three compact submersible pumps, connected by three-way connection, the water that submersible pump is extracted out is back in water tank.
The beneficial effect of a kind of adjustable multilevel groundwater flow system test unit of the present invention is as follows: (1) simulated slot both sides are set to determine water level border, having reproduced underground water in reality is visually having under the condition of determining water level river boundaries, the mobility status that underground water is not at the same level time.(2) not only can set multiple water plug in process of the test, the water plug of different depth can be set, and water plug when can set diverse location.Utilize the spike hole on simulated slot and piezometric tube, adopt kinds of schemes to study the groundwater flow system of not at the same level time, the test unit invented with forefathers has larger difference.(3) research of groundwater flow system has been enriched greatly, simultaneously for the research of some aspects such as evolution, HYDRODYNAMIC CHARACTERISTICS of local ground watering water quality has facilitation.
Accompanying drawing illustrates:
Fig. 1 is a kind of adjustable multilevel groundwater flow system test unit three-dimensional structure diagram of the present invention.
Fig. 2 is simulated slot three-dimensional structure diagram in a kind of adjustable multilevel groundwater flow system test unit of the present invention.
Fig. 3 is filtration unit three-dimensional structure diagram in a kind of adjustable multilevel groundwater flow system test unit of the present invention.
In figure: 1-simulated slot; 2-circular hole; 3-twines the baffle plate of gauze screen; 4-spike hole; 5-pressure measurement pipe nipple; 6-waste pipe; 7-operation valve; 8-retort stand; 9-Miniature filtering device (1); 10-compact submersible pump (1); 11-submersible pump rising pipe (1); 12-valve (1); 13-three-way connection (1); The large-scale filtration unit of 14-; 15-compact submersible pump (2); 16-submersible pump rising pipe (2); 17-valve (2); 18-three-way connection (2); 19-Miniature filtering device (2); 20-compact submersible pump (3); 21-submersible pump rising pipe (3); 22-valve (3); 23-two-way elbow; 24-upper end rising pipe; 25-submersible pump; 26-water tank; Rising pipe on the left of 27-; Rising pipe on the right side of 28-; 29-three-way connection (3); Water inlet pipe on the left of 30-; Water inlet pipe on the right side of 31-; 32-three-way connection (4); 33-pressure measurement flexible pipe; 34-piezometric tube; 35-pressure measurement plate.
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:
A kind of adjustable multilevel groundwater flow system test unit, this device is by being equipped with by the seepage flow pipeline keeping hydraulic connection between simulated slot 1, water plug, each device, and pressure tester 33,34,35 and water supply installation 25,26 5 part form.Described simulated slot 1 is the structure of upper end open inner hollow, its length and be highly all greater than width.Concrete specification is long 180cm, high 90cm, wide 20cm, and the organic glass of material to be thickness be 2cm is sticked with and forms.Bottom simulated slot 1, there is a waste pipe 6 middle, waste pipe is provided with waste pipe valve 7, and bottom simulated slot 1, four turnings have four retort stands 8 to support.
Described both sides, simulated slot 1 internal pinch side are fixed with circular hole 2 and are tied with the baffle plate 3 of gauze screen, region filling sand sample between two baffle plates 3.At the both sides gap location of baffle plate 3 and simulated slot 1 for determine water level border, submersible pump 25 in the water supply installation of bottom, three-way connection 32 linking left side water inlet pipe 30 and right side water inlet pipe 31 is utilized jointly to provide water supply to two side clearance bottoms, place's (namely apart from simulated slot openend 5cm place) but water level reach a certain height, unnecessary water is by left side rising pipe 27, the right side rising pipe 28 of this At The Height, utilize three-way interface 29 to be connected in reflow tank 26, its water supply installation is made up of submersible pump 25 and water tank 26.
On the length side of described simulated slot 1, be distributed with horizontally-arranged two vertical setting of types in three rows, 43 spike holes 4, two vertical setting of types are near determining water level boundary.Be provided with spike pipe to insert at spike hole 4 place, the part stretching into simulated slot 1 inside is tied with gauze screen, and the part cover stretching out simulated slot 1 outside has rubber tip.The tracer agent having pigment can be added in spike pipe, make effect more obvious.Length side is also distributed with five rows, 37 pressure measurement pipe nipples 5 simultaneously, the part stretching into simulated slot 1 inside is also tied with gauze screen, the part of stretching out simulated slot 1 outside is connected to by pressure measurement flexible pipe 33 on the piezometric tube 34 on pressure measurement plate 35, and on connecting one to one.
The openend of described simulated slot 1 is provided with three water plugs, water plug is made up of filtration unit and compact submersible pump, filtration unit is provided with a large-scale filtration unit 14 and two Miniature filtering devices 9,19, and its medium-and-large-sized filtration unit 14 is larger than Miniature filtering device 9,19 length dimension.Filtration unit 9,14,19 is made for organic glass, and surrounding is distributed with a large amount of circular hole 3 and surrounding is tied with gauze screen.Two baffle plates are arranged at this device top, are stuck in simulated slot 1 opening part, can move around along simulated slot 1 opening part.
A compact submersible pump 10,15,20 is all placed with in three described filtration units, respective compact submersible pump rising pipe 11,16,21, utilize three-way interface 13,18, and two-way elbow 23 is connected with upper end rising pipe 24 and is got back in water tank 26 by the current that compact submersible pump is extracted out.
A kind of adjustable multilevel groundwater flow system test unit, shown in test is implemented as follows:
Before test, thinner quartzy sand sample is loaded uniformly two, simulated slot 1 of the present invention inside with between circular hole and the baffle plate 3 being tied with gauze screen, because the height of simulated slot 1 is at 90cm, so the quartzy sand sample height loaded is in 88-90cm position.And one end of spike pipe is put rubber tip.First be full of water by water tank 26, closed control valve 7, utilize the submersible pump 25 in water tank 26, and left side water inlet pipe 30 and the right side water inlet pipe 31 pairs of simulated slots 1 inner two determine the water yield supply of water level border.Just can start to test after whole quartzy sand sample is in state of saturation.
Experimental stage, three of the openend of simulated slot 1 water plugs are set position, opens respective drinking-water pipe valve 12,17,22, the compact submersible pump 10,15,20 simultaneously started in each filtration unit works, by-pass valve control size, the water yield that compact submersible pump is extracted out is different.After treating the waterflow stabilization in whole simulated slot 1, when the height of water level in the piezometric tube 34 on the pressure measurement pipe nipple 5 namely on connecting analog groove 1 length side no longer changes.Now selectively in the rubber tip of spike pipe one end, inject a small amount of coloured tracer agent, just can observe visually when have determine water level boundary river, Groundwater Flow situations at different levels time.Record the water level value of piezometric tube 34 on pressure measurement plate 35 simultaneously, observe and the SEA LEVEL VARIATION situation of position on the length side border of analysis mode groove 1.
In process of the test, multi-scheme wherein also comprises the length that can adopt filtration unit in different water plug; The water plug of varying number can be adopted; The water plug at diverse location place can be adopted.The scheme utilized studies the groundwater flow system of multilevel.
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 (5)
1. an adjustable multilevel groundwater flow system test unit, is characterized in that: this device by the seepage flow pipeline keeping hydraulic connection between simulated slot, water plug, each device, pressure tester and water supply installation five parts.Each several part connection is mainly: simulated slot both sides are for determine head boundary, and water supply installation carries out water yield supply by keeping the seepage flow pipeline of hydraulic connection to determine head boundary to simulated slot both sides; There is the water plug of three simulated slot inside; Simulated slot length side is distributed with spike hole and pressure measurement pipe nipple, utilizes pressure measurement flexible pipe to be connected to piezometric tube on pressure measurement plate; Water yield size is controlled by operation valve between each device.
2. a kind of adjustable multilevel groundwater flow system test unit as claimed in claim 1, is characterized in that: the inner both sides of simulated slot utilize round-meshed and the baffle plate being tied with gauze screen respectively separates two regions, as determining head boundary.
3. a kind of adjustable multilevel groundwater flow system test unit as claimed in claim 1, it is characterized in that: the length of the filtration unit in the water plug of simulated slot inside can change, utilize baffle plate to be suspended on simulated slot opening part, and the position of water plug can free setting.The surrounding of water plug is distributed with circular hole and is tied with gauze screen.
4. a kind of adjustable multilevel groundwater flow system test unit as claimed in claim 1, is characterized in that: simulated slot length side distributes three row spike holes, horizontally-arranged two vertical setting of types.Two vertical setting of types spike pore size distributions are determined in head boundary two, and a horizontally-arranged spike pore size distribution is topmost.
5. a kind of adjustable multilevel groundwater flow system test unit as claimed in claim 1, is characterized in that: simulated slot length side distributes five rows, 37 pressure measurement pipe nipples, utilizes pressure measurement flexible pipe to be connected with pressure tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510888188.2A CN105355128A (en) | 2015-12-01 | 2015-12-01 | Adjustable multistage underground current system test apparatus |
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| CN201510888188.2A CN105355128A (en) | 2015-12-01 | 2015-12-01 | Adjustable multistage underground current system test apparatus |
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| CN105355128A true CN105355128A (en) | 2016-02-24 |
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| CN201510888188.2A Pending CN105355128A (en) | 2015-12-01 | 2015-12-01 | Adjustable multistage underground current system test apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128260A (en) * | 2016-08-11 | 2016-11-16 | 山东科技大学 | A kind of seepage flow analogue experiment method for teaching |
| CN106205331A (en) * | 2016-08-11 | 2016-12-07 | 山东科技大学 | A kind of seepage flow analogue experiment installation for teaching |
| CN107843720A (en) * | 2017-12-19 | 2018-03-27 | 天津大学 | A kind of vertical underwater fluctuating track oil spilling mouth simulation test device |
-
2015
- 2015-12-01 CN CN201510888188.2A patent/CN105355128A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128260A (en) * | 2016-08-11 | 2016-11-16 | 山东科技大学 | A kind of seepage flow analogue experiment method for teaching |
| CN106205331A (en) * | 2016-08-11 | 2016-12-07 | 山东科技大学 | A kind of seepage flow analogue experiment installation for teaching |
| CN107843720A (en) * | 2017-12-19 | 2018-03-27 | 天津大学 | A kind of vertical underwater fluctuating track oil spilling mouth simulation test device |
| CN107843720B (en) * | 2017-12-19 | 2024-03-22 | 天津大学 | Vertical underwater undulating track oil overflow port simulation test device |
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