CN205643336U - Survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition - Google Patents
Survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition Download PDFInfo
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- CN205643336U CN205643336U CN201521003188.1U CN201521003188U CN205643336U CN 205643336 U CN205643336 U CN 205643336U CN 201521003188 U CN201521003188 U CN 201521003188U CN 205643336 U CN205643336 U CN 205643336U
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Abstract
The utility model provides a survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition, the device is by the quick camera system of packet band of gas form dynamic change's a test tank, rainfall rainfall pattern adjustable rainfall simulation system, the measurement system who acquires the water of aeration zone position flow of water and monitoring package band of gas metamorphosis. Compare with homogeneous packet of band of gas physical simulation device, the utility model provides a survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition can not only fully monitor the various situations in packet band of gas soil, can also change through the water level flow of water of monitoring simulation settlement district package band of gas progressive failure process, take notes the data in each stage, the dynamic change of the interior moisture parameter of the band of gas is wrapped in the settlement district under the groundwater benefit condition of arranging of the rainfall conditional sum difference that quantitative research is different, provide important research way for groundwater partite transport shift variantization under the assay mining damage.
Description
Technical field:
This utility model relates to one and observes physical model device based on aeration zone Water Transport change procedure under the conditions of depression, belongs to hydrogeological study field, is mainly used in the Water Transport change procedure studying aeration zone under different depression stages, different supply and drainage conditions.
Background technology:
Coal accounts for the 75% of China's energy resource structure, during Coal Resource Development, land resource inevitably can cause destruction in various degree.Coal in China is based on pit mining, and its yield accounts for the 96% of raw coal output, and therefore the type of China's coal-mine damage to land is based on subsided land from coal mine.During the depression caused of mining, on the one hand destroy aeration zone original structure, produce crack, cause vertical upper moisture and WATER LEVEL CHANGES, and Subsidence Area crop growth and ecological remediation and treatment depend on aeration zone moisture content change；On the other hand, create disturbance type ladder crack inside aeration zone, not only broken up thin solum structure in Subsidence Range, have also been changed rainwash simultaneously, enter to blend evaporation conditions.
Vadose water componental movement is the pith of nature water circulation, and it is the important tie between contact surface and ground water.At the different stages of development of coal mining subsidence area, unsaturated soil structure presents different variation characteristics.Therefore how aeration zone moisture and Water level trend spatial and temporal variation during research depression, carry out restoration of the ecosystem and land reclamation for Coal Mining Subsidence district, have highly important theory and practice meaning.
As the important research method of problems, indoor physical simulation instrument has lot of advantages, and as the main tool of physical modeling, groundwater simulation device affects the development in PHYSICAL MODELING OF IN field.But the most single on current groundwater simulation apparatus function, can not be to Water Transport process simulation monitoring in the aeration zone of structure occurrence dynamics change, it is impossible to the true geological conditions in reflection Subsidence Area.
Utility model content:
This utility model provides a kind of based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, solves the deficiency functionally of current existing analog with specific aim.
Realize the technical solution of the utility model:
A kind of based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is made up of dynamic test groove, quick camera system, rainfall simulation system and moisture monitoring system.Dynamic test groove body is the rectangular box body containing test soil being made up of lucite, and digital photographic systems is positioned at casing dead ahead.Casing is respectively arranged on the left side and the right side tank, and the outer side joint overflow launder of left and right tank, overflow launder is arranged on the outer wall of casing both sides by crane.Two ends, box bottom left and right set water inlet pipe and outlet pipe, overlying spongy layer and air cushion layer, and casing top is rainfall simulation system, and internal measurement system includes flow of water measuring unit and level measuring unit.
Described dynamic test groove is long 1.5m, wide 0.6m, the rectangular box body of high 2m, and the lucite thick by 10mm processes, and the casing antetheca left and right sides sets two row's high accuracy scales, and lower section is equipped with stainless steel stent.Box bottom overlying two-layer sponge, sets an organ timbering shape high pressure air cushion between two-layer sponge, the control air valve of high pressure air cushion is external by casing rear wall.
Described rainfall simulation system includes multiple rows of PVC water-supply-pipe, water-supply-pipe is furnished with some rainfall shower nozzles, and is provided with flow control valve and water pressure gauge.Rainfall simulation system is connected on the steel bracket on model casing top.
Described moisture monitoring system includes flow of water monitoring means and water level monitoring unit.Wherein flow of water monitoring means is made up of some depressimeters, depressimeter includes tonometer pipe, Pressure gauge and data logger, the head end of tonometer pipe is the pot clay end of porous, rear wall through dynamic test groove buries and fills in test soil, the tail end of tonometer pipe is connected with Pressure gauge, display measurement result, and be connected with data logger by probe, this data logger can record the flow of water of each position in soil the most automatically.
Water level monitoring unit is made up of some pressure-measuring pipes, and pressure-measuring pipe one end is buried through the antetheca of dynamic test groove and filled in test soil, and the other end is connected on by rubber tube and indicates on scale pressure measurement plate.By pressure measurement plate obtained read-record soil water level.
This utility model can change the form of simulation aeration zone by being imbedded in the inflation/deflation of the high pressure air cushion under test soil, with the astable stage of subsiding before simulation coal mining subsidence area, after generation of mining, the Subsidence Area unsaturated soil structure metamorphosis of the stabilization sub stage of subsiding, realize the complete monitoring to Subsidence Area aeration zone displacement field Yu groundwater infiltration system by digital camera system with the system of measurement simultaneously.
This assay device belongs to multi-functional aeration zone model test apparatus, compared to similar analog, can comprehensively analyze each influence factor impact on Subsidence Area aeration zone seepage action of ground water.Because the factor considered is more comprehensively with comprehensive, therefore aeration zone moisture and Water level trend spatial and temporal variation during can more comprehensively studying depression.
Accompanying drawing illustrates:
The main part structural representation observing physical model device based on aeration zone Water Transport change procedure under the conditions of depression that Fig. 1 provides for this utility model；
Fig. 2 is the air cushion layer partial schematic diagram of device；
Fig. 3 is the flow of water measuring unit schematic diagram of device；
Fig. 4 is the level measuring cell schematics of device；
Fig. 5 is the schematic three dimensional views that device is overall；
In figure: 1-dynamic test groove；2-tank；3-overflow launder；4-water inlet pipe；5-outlet pipe；6-water-permeable sponge layer；7-high pressure air cushion；8-control air valve；9-rainfall simulation system；10-water-supply-pipe；11-rainfall shower nozzle；12-depressimeter；13-tonometer pipe；14-Pressure gauge；15-data logger；16-pot clay end；17-probe；18-pressure-measuring pipe；19-rubber tube；20-pressure measurement plate.
Detailed description of the invention:
Below in conjunction with the accompanying drawings this utility model is done detailed specific description.
As it is shown in figure 1, main part of the present utility model is made up of dynamic test groove, rainfall simulation system and moisture monitoring system.Dynamic test groove 1 is long 1.5m, wide 0.6m, the rectangular box body of high 2m, and the lucite thick by 10mm processes, and the casing left and right sides sets two row's high accuracy scales, and lower section is equipped with stainless steel stent.The inside of dynamic test groove 1 contains test soil.
Test flume 1 is respectively arranged on the left side and the right side tank 2, and the tank 2 in left side is used for simulating feedwater rivers and canals, and the tank 2 on right side simulates drainage river channel.The part that tank 2 inwall contacts with soil sets filter screen, does not destroy Soil structure and maintain soil stability during to ensure moisture turnover soil.The overflow launder 3 that can regulate height is set respectively, for changing the water level of dynamic test groove both sides outside the tank of left and right.
Box bottom two ends are respectively connected to water inlet pipe 4 and outlet pipe 5, and the row of benefit bottom simulation aeration zone, overlying two-layer water-permeable sponge 6 is to guarantee the horizontal lifting of trough inner water position.Set an organ timbering shape high pressure air cushion 7 between two-layer water-permeable sponge 6, be used for simulating above goaf rock stratum across falling, make simulation aeration zone generation sinking deformation.As in figure 2 it is shown, the control air valve 8 of high pressure air cushion 7 is external by casing 1 rear wall.
Described rainfall simulation system 9 is made up of multiple rows of PVC water-supply-pipe 10, and water-supply-pipe 10 is furnished with some rainfall shower nozzles 11, and be provided with control the shower nozzle water yield flow control valve and water pressure gauge, can fixing quantity hydraulic pressure and the water yield, to simulate different types of rainfall.Rainfall simulation system 9 is connected on the steel bracket on model casing 1 top.
Described moisture monitoring system includes flow of water monitoring means and water level monitoring unit.Wherein flow of water monitoring means is made up of some depressimeters 12.Depressimeter 12 includes tonometer pipe 13, Pressure gauge 14 and data logger 15 as shown in Figure 3.The head end of tonometer pipe 13 buries through the rear wall of dynamic test groove 1 and fills in test soil, and the pot clay end 16 that the head end of tonometer pipe 13 is porous, the tail end of tonometer pipe 13 is connected with Pressure gauge 14, display measurement result, and be connected with data logger 15 by probe 17, this data logger 15 can record the flow of water of each position in soil the most automatically.If again data logger 15 is connected on computer, the soil water potential of diverse location in casing 1 can be monitored the most in real time.
Water level monitoring unit is made up of some pressure-measuring pipes 18 as shown in Figure 4, and pressure-measuring pipe 18 one end is buried through the antetheca of dynamic test groove 1 and filled in test soil, and the other end is connected on by rubber tube 19 and indicates on scale pressure measurement plate 20.The soil level of ground water of diverse location in casing 1 is i.e. can get by pressure measurement plate 20.
The simulation study aeration zone of the present utility model Water Transport change procedure test method under different depression stages, different supply and drainage conditions, specifically comprises the following steps that
A, choosing the unconsolidated sediment of Subsidence Area to be studied, screened out by the impurity in test soil, then layering loads dynamic test groove 1 and is compacted.
B, the water tank 3 passing through test flume 1 side according to test requirements document supply and drainage conditions and water-supply-pipe 4 water filling in groove of bottom, simulated groundwater seepage flow.
C, open the rainfall simulation system 8 being fixed on test flume 1 top, regulate hydraulic pressure and the water yield by flow control valve and water pressure gauge, simulate the rain fall in district to be studied.
Hydrologic parameter before the initial flow of water, waterlevel data, i.e. Simulation Sinkage district aeration zone coal mining subsidence area in the test soil that measurement system in d, record test flume 1 records.
E, controlled high pressure air cushion 7 by air valve 8 and exit, select suitable digital vedio recording distance, quick camera system is utilized to catch simulation aeration zone failure process, by high-resolution digital camera timing continuous acquisition test photo, then using image processing software to carry out picture analyzing, the whole audience of the subside astable aeration zone displacement field to the stabilization sub stage and osmotic system after occurring in conjunction with the water level that measurement system records therebetween, flow of water change realization coal mining is monitored and analysis.
Claims (6)
1. observe physical model device based on aeration zone Water Transport change procedure under the conditions of depression for one kind, by dynamic test groove, quickly camera system, rainfall simulation system and moisture monitoring system are constituted, it is characterized in that dynamic experiment groove is the rectangular box containing test soil, digital camera system is placed in casing dead ahead, the casing left and right sides sets tank, the overflow launder that can regulate test flume water level is connected respectively outside the tank of left and right, two ends, box bottom left and right set water inlet pipe and outlet pipe, overlying spongy layer and air cushion layer, casing top is rainfall simulation system, internal measurement system includes flow of water measuring unit and level measuring unit.
2. as claimed in claim 1 based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is characterized in that dynamic test groove be long 1.5m, wide 0.6m, the rectangular box body of high 2m, the lucite thick by 10mm processes, the casing antetheca left and right sides sets two row's high accuracy scales, and lower section is equipped with stainless steel stent.
3. as claimed in claim 1 based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is characterized in that box bottom overlying two-layer sponge, setting an organ timbering shape high pressure air cushion between two-layer sponge, the control air valve of high pressure air cushion is external by casing rear wall.
4. as claimed in claim 1 based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is characterized in that described rainfall simulation system is made up of multiple rows of PVC water-supply-pipe, some rainfall shower nozzles it are furnished with on water-supply-pipe, and be provided with control the shower nozzle water yield flow control valve and water pressure gauge, rainfall simulation system is connected on the steel bracket on model casing top.
5. as claimed in claim 1 based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is characterized in that described flow of water measuring unit is made up of some depressimeters, depressimeter includes tonometer pipe, Pressure gauge and data logger, the head end of tonometer pipe is the pot clay end of porous, rear wall through dynamic test groove buries and fills in test soil, the tail end of tonometer pipe is connected with Pressure gauge, display measurement result, and be connected with data logger by probe, this data logger can record the flow of water of each position in soil the most automatically.
6. as claimed in claim 1 based on aeration zone Water Transport change procedure observation physical model device under the conditions of depression, it is characterized in that described level measuring unit is made up of some pressure-measuring pipes, pressure-measuring pipe one end is buried through the antetheca of dynamic test groove and is filled in test soil, and the other end is connected on by rubber tube and indicates on scale pressure measurement plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521003188.1U CN205643336U (en) | 2015-12-02 | 2015-12-02 | Survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition |
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| CN201521003188.1U CN205643336U (en) | 2015-12-02 | 2015-12-02 | Survey physical model device based on water of aeration zone partite transport shift variant pionization under settlement condition |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393645A (en) * | 2016-11-02 | 2017-02-15 | 佛山市龙眼智能制造科技有限公司 | Automatic controllable die head cold setting water channel overflow device |
| CN107449708A (en) * | 2017-07-26 | 2017-12-08 | 太原理工大学 | A kind of method simulated polymorphic combination coalmass crevasse and barriering effect is moved to water transport |
| CN107917927A (en) * | 2017-11-21 | 2018-04-17 | 中国矿业大学(北京) | Monitor the method and experimental provision of rock soil medium Water Transport state |
| CN108519475A (en) * | 2018-03-14 | 2018-09-11 | 成都理工大学 | A kind of device and method of simulation aeration zone solute transfer |
| CN109325245A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Plant root extrusion force prediction method and device |
| CN109752303A (en) * | 2019-01-22 | 2019-05-14 | 河南城建学院 | A kind of discontinuous unsaturated soil rainfall infiltration physical simulation system and measuring method |
| CN110688761A (en) * | 2019-10-08 | 2020-01-14 | 华北理工大学 | Design method for reducing wind resistance of product appearance |
| CN114878789A (en) * | 2022-07-13 | 2022-08-09 | 成都理工大学 | Rainfall type landslide instability test device based on seepage and macroscopic damage coupling analysis |
| CN116577481A (en) * | 2023-04-28 | 2023-08-11 | 安徽理工大学 | Coal mining subsidence four-water conversion physical monitoring device |
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2015
- 2015-12-02 CN CN201521003188.1U patent/CN205643336U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393645A (en) * | 2016-11-02 | 2017-02-15 | 佛山市龙眼智能制造科技有限公司 | Automatic controllable die head cold setting water channel overflow device |
| CN107449708A (en) * | 2017-07-26 | 2017-12-08 | 太原理工大学 | A kind of method simulated polymorphic combination coalmass crevasse and barriering effect is moved to water transport |
| CN107449708B (en) * | 2017-07-26 | 2019-09-10 | 太原理工大学 | A method of it simulating polymorphic combination coalmass crevasse and barriering effect is moved to water transport |
| CN109325245A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Plant root extrusion force prediction method and device |
| CN107917927A (en) * | 2017-11-21 | 2018-04-17 | 中国矿业大学(北京) | Monitor the method and experimental provision of rock soil medium Water Transport state |
| CN108519475A (en) * | 2018-03-14 | 2018-09-11 | 成都理工大学 | A kind of device and method of simulation aeration zone solute transfer |
| CN109752303A (en) * | 2019-01-22 | 2019-05-14 | 河南城建学院 | A kind of discontinuous unsaturated soil rainfall infiltration physical simulation system and measuring method |
| CN110688761A (en) * | 2019-10-08 | 2020-01-14 | 华北理工大学 | Design method for reducing wind resistance of product appearance |
| CN114878789A (en) * | 2022-07-13 | 2022-08-09 | 成都理工大学 | Rainfall type landslide instability test device based on seepage and macroscopic damage coupling analysis |
| CN116577481A (en) * | 2023-04-28 | 2023-08-11 | 安徽理工大学 | Coal mining subsidence four-water conversion physical monitoring device |
| CN116577481B (en) * | 2023-04-28 | 2024-04-09 | 安徽理工大学 | Coal mining subsidence four-water conversion physical monitoring device |
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Granted publication date: 20161012 Termination date: 20171202 |
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