CN206541498U - The river environment monitoring experiment teaching system in laboratory is come into river - Google Patents
The river environment monitoring experiment teaching system in laboratory is come into river Download PDFInfo
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- CN206541498U CN206541498U CN201621454997.9U CN201621454997U CN206541498U CN 206541498 U CN206541498 U CN 206541498U CN 201621454997 U CN201621454997 U CN 201621454997U CN 206541498 U CN206541498 U CN 206541498U
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Abstract
The river environment for coming into laboratory the utility model discloses a kind of river monitors experiment teaching system, including circulating water chennel, and circulating water chennel is provided with natural river test block, branch afflux, river work building area, bed material test block and functional areas mark；Natural river test block uses various shapes entity plug-in unit, simulates a variety of fluvial morphologies, including flexure type river, divaricating river；Branch afflux is drawn water using suction pump from branch water distribution manifold cylinder；River work building area uses various shapes entity plug-in unit, simulation river work building, including port and pier, groynes；Bed material test block is provided with the natural bed material of addition in multiple sand pits, sand pit；Functional areas mark includes potable water source district intake, provincial boundaries mark.It can be encountered problems according to course teaching, adjustment river topography, pollution sources and functional areas distribution in time, Scientific Establishment river course excites student's curiosity than chi and river topography, guiding student thinking, exploration, and then the innovative thinking and the ability of solving practical problems of training student.
Description
Technical field
The utility model is related to a kind of river environment monitoring experiment teaching system, more particularly to laboratory is come into a kind of river
River environment monitoring experiment teaching system.
Background technology
Environmental monitoring is an application subject, and the content of courses includes natural river data collection, solution formulation, sampled point
Optimization, sample transport and preservation, sample analysis, data processing, environmental evaluation.Wherein sampling point optimization is important step.River
Stream pollution is big with spatial dimension, the complicated feature of change, and it is multiple that natural river flows into remittance, bend and river work building area fluidised form in branch
Miscellaneous, corresponding concentration distribution of pollutants is changed greatly, and is the key factor of the selection of environmental monitoring section and middle consideration of layouting.River ring
The setting of border monitoring section needs to meet principle of whole, representativeness principle, economy principle, feasibility and convenience original simultaneously
Then.Section, which is chosen, to be needed to consider the information such as function of water body area, hydrology gaging section, branch inflow remittance, discharge of pollutant sources, simultaneously
Cross section place should avoid slough, backwater zone, at sewage draining exit, and straight chanel, stabilization of river bed, water flow stationary, the water surface are selected as far as possible
It is broad, without torrent, without shoal at.Natural river difference section river course form, analysis and functional areas distribution are different.
Therefore, such as how minimum monitoring section data, the overall water quality information in river is reflected to greatest extent, is the weight of river environment monitoring
Point difficult point, is also the core content of Environmental Monitoring Experiment teaching.
In existing teaching method, the teaching of water quality of river monitoring test is main, and using sampling on the spot, water sample is adopted back behind laboratory,
Carry out chemical analysis and data processing.
The shortcoming of existing teaching method：
Sample and limited by following factor on the spot：
1) department geographical position is limited, and suitable natural river is not present in school area, there are teaching feasibility problems；
2) basis《Surface water and sewage monitoring technical specification》, the river that width is more than 50m needs, in korneforos sampling, to be related to
Experimental teaching safety problem；
3) river yardstick is larger, and sampling cost is high, and most colleges and universities' funds can not be supported, and there is the not enough problem of teaching fund；
4) importantly, single river section hydrology, river topography and functional areas are stablized relatively, it is impossible to provide abundant teaching
Case, and then it is unable to the ability that training student lays sampled point scientific and flexiblely.
Utility model content
The purpose of this utility model is to provide the river environment monitoring experiment teaching system that laboratory is come into a kind of river.
The purpose of this utility model is achieved through the following technical solutions：
The river environment monitoring experiment teaching system in laboratory, including circulating water chennel, institute are come into river of the present utility model
Circulating water chennel is stated provided with natural river test block, branch afflux, river work building area, bed material test block and functional areas mark；
The natural river test block uses various shapes entity plug-in unit, simulates a variety of fluvial morphologies, including flexure type river
Stream, divaricating river；
The branch afflux is drawn water using suction pump from branch water distribution manifold cylinder；
The river work building area uses various shapes entity plug-in unit, simulation river work building, including port and pier, groynes；
The bed material test block is provided with the natural bed material of addition in multiple sand pits, sand pit；
The functional areas mark includes potable water source district intake, provincial boundaries mark.
The river that the utility model embodiment is provided it can be seen from the technical scheme that above-mentioned the utility model is provided is come into
The river environment monitoring experiment teaching system in laboratory, can simulate different upstream flowrates, the level of tail water, the pollution of stream gradient
Mixing Coefficient in Rectangular Channels under the conditions of thing transport process, different river course forms (such as meander stream, branch type river course, middle bar) is transported
Pollutant Transportation process etc., flexibly identifies water body service function under the conditions of process, different analysis and pollutant discharge amount
Area, increase different shape plug-in unit simulation river work building, culture consider river work Influence on Architecture, Optimizing.Based on above work(
Can, it can be encountered problems according to course teaching, river topography, pollution sources and functional areas distribution, Scientific Establishment river are adjusted in time
Road excites student's curiosity than chi and river topography, and the innovative thinking of guiding student thinking, exploration, and then training student is conciliate
The certainly ability of practical problem.
Brief description of the drawings
Fig. 1 is the structural representation of the side of circulating water chennel in the utility model embodiment.
Fig. 2 is the structural representation of the plane of circulating water chennel in the utility model embodiment.
Fig. 3 is the arrangement schematic diagram of different identification plug-in unit in the utility model embodiment.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to protection domain of the present utility model.
The river environment monitoring experiment teaching system in laboratory is come into river of the present utility model, and it is preferably embodied
Mode is：
Including circulating water chennel, the circulating water chennel is provided with natural river test block, branch afflux, river work building area, bed material
Test block and functional areas mark；
The natural river test block uses various shapes entity plug-in unit, simulates a variety of fluvial morphologies, including flexure type river
Stream, divaricating river；
The branch afflux is drawn water using suction pump from branch water distribution manifold cylinder；
The river work building area uses various shapes entity plug-in unit, simulation river work building, including port and pier, groynes；
The bed material test block is provided with the natural bed material of addition in multiple sand pits, sand pit；
The functional areas mark includes potable water source district intake, provincial boundaries mark.
The circulating water chennel is connected with pump pond, upper storage reservoir, regulating reservoir and two water supply cylinders, and the pump pond is connected with regulating reservoir,
Main pump is provided between the pump pond and the water inlet of circulating water chennel stem, moisturizing is provided between described two water supply cylinders and regulating reservoir
Pump, the delivery port of the circulating water chennel afterbody is connected with two water supply cylinders；
The main pump and small pump are respectively equipped with flowmeter, and the water inlet position of the circulating water chennel is provided with ball current stabilization
Device, the delivery port of the circulating water chennel afterbody is provided with water-level regulator.
The river environment monitoring experiment teaching system that laboratory is come into river of the present utility model has following functions：
1) can simulate different upstream flowrates, the level of tail water, the Pollutant Transportation process of stream gradient, training student according to
Different hydrological conditions, the correct ability for choosing experiment section；
2) Mixing Coefficient in Rectangular Channels under the conditions of different river course forms (such as meander stream, branch type river course, middle bar) is simulated
Transport process, training student considers influence of the different river course forms for current, the ability of correct selection monitoring section；
3) Pollutant Transportation process under the conditions of different analysis and pollutant discharge amount is simulated, training student is correctly set
Put the ability of control section and control section；
4) flexible mark water body service function area, such as waterworks, heavy industrial district, training student is according to function distinguishing
Cloth, the correct ability for laying sampled point；
5) increase different shape plug-in unit simulation river work building, produces backflow or spiral flow area etc., and culture considers river work
Influence on Architecture, Optimizing.Based on function above, encountered problems according to course teaching, river topography, pollution sources are adjusted in time
With functional areas distribution, Scientific Establishment river course excites student's curiosity than chi and river topography, and guiding student is thought deeply, explored, and then
The innovative thinking of training student and the ability of solving practical problems.
Specific embodiment：
1. water trough design：
As shown in Figure 1 and Figure 2, " laboratory is come into river " system design science, the design considerations River function of experimental trough
Similarity principle is learned, setting experimental trough compares chi.Recirculated water flute length L=12.00m, wide B=0.30m, supertronic scope 0~
1.5%.Maximum water depth 0.15m (breadth depth ratio 2), Peak Flow Rate 1.00m/s.Flow velocity is 0.40m/s during maximum water depth；Peak Flow Rate
Shi Shuishen 0.06m.Convection current and diffusion transport process of the pollutant in river can be reflected comprehensively.River course experiment plug-in unit also according to
River course meets hydrodynamic similarity principle, can science simulate different river course forms and river work building for hydrodynamic force and pollution
The influence of thing Transport And Transformation.
Experimental teaching for convenience, River function dynamical system uses the control system of science.Supplied water using double pond double pumps
System, it is ensured that the stably and controllable property of the discharge of river, alternately supplies water from small pump from two water supply cylinders to regulating reservoir, keeps regulation water
Invariant position, main pump supplies water from pump pond to tank；Flowmeter is provided between double pump, passes through testing pump uninterrupted；Tank afterbody goes out
The mouth of a river is provided with water-level regulator, can adjust water level；Using spiral adjuster, convenient control stream gradient；Tank import position
Put and set up ball flow straightener, it is ensured that the stabilization of tank fluidised form.
Concentration is controllable and supply subsurface water simultaneously, bed material monitoring section.Experiment proposes twin-tub alternative water-supply system, effectively control
Pollutant concentration.If the cycle that water supply cylinder changes water is T, a water supply cylinder delivery period, another cylinder regulation concentration is standby；Bed material experimental section
Using the native cup of 9 groups (every group of 12 lattice) parallel lateral spacing, close-packed arrays are flushed in bed material experimental section at the top of each native cup with upstream riverbed,
Different soil cups, which have, contains husky function, and native cup is filled with into sand before experiment.The bed material method of sampling is similar to natural column device, using tubulose
Using device, vertical sampling is carried out, by determining different height silt pollution amount, it may be determined that the vertical characteristics of bed material pollutant.
2. functional areas plug-in unit and mark：
1) natural river test block：Using different shape entity (stainless steel) plug-in unit, it is placed in inside tank, simulates different rivers
Manifold state, such as flexure type river, divaricating river Pollutant Transportation (Fig. 3).
2) branch afflux：Drawn water using suction pump from branch water distribution manifold cylinder, water supply cylinder concentration is adjustable, research different flow, dense
Degree is for main flow influence (Fig. 3).
3) river work building area：Using different shape entity plug-in unit, simulation river work building, such as port and pier, groynes river work
Build (Fig. 3)
4) bed material test block：Groove body sets 2.8 × 0.30 × 0.45=0.731m3 sand pits (Fig. 1, Fig. 2), real as bed material
Test area.Add natural bed material in experimentation sand pit.Chosen for sampled point and bed material sampling and the concentration mensuration experiment of dye thing test block.
5) difference in functionality area is identified, such as potable water source district intake, provincial boundaries mark etc..
The beneficial effect that technical solutions of the utility model are brought
1st, practicality.Experimental system is not influenceed by the hydrography condition of school region, realizes that " experiment is come into river
Room " so that all processes of environmental monitoring can be completed in laboratory, the experimental teaching of the institution of higher learning of different zones is applicable.
And experimental system is easy to operation, performance stable, uses safety.Relative to field sampling experiment, " laboratory is come into river " teaching
System greatly reduces experiment fees, cheap, is easy to promote, with good practicality；
3rd, it is enlightening.Experimental trough system reduces space scale and the time scale that Mixing Coefficient in Rectangular Channels is transported, can be directly perceived
The defeated shifting rule of display pollutant, and after student's sample analysis is finished, by contrasting actual concentration, can easily verify and adopt
The reasonability that sample section and sampled point are set, guiding student is actively engaged in, deeply thinks deeply hydrodynamic force, river course form and building pair
The influence set in sampling section；It is distributed by flexible modulation river course form, discharge of pollutant sources and functional areas, abundant teaching case
Example can excite student's curiosity, and training student is under different river course forms, the hydrology, blowdown, functional areas combination condition, and observation is dirty
Thing transportion and transformation is contaminated, science lays pollutant section and sampled point, with good enlightenment.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (2)
1. the river environment monitoring experiment teaching system in laboratory is come into a kind of river, it is characterised in that including circulating water chennel, institute
Circulating water chennel is stated provided with natural river test block, branch afflux, river work building area, bed material test block and functional areas mark；
The natural river test block uses various shapes entity plug-in unit, simulates a variety of fluvial morphologies, including flexure type river, point
Fork property river；
The branch afflux is drawn water using suction pump from branch water distribution manifold cylinder；
The river work building area uses various shapes entity plug-in unit, simulation river work building, including port and pier, groynes；
The bed material test block is provided with the natural bed material of addition in multiple sand pits, sand pit；
The functional areas mark includes potable water source district intake, provincial boundaries mark.
2. the river environment monitoring experiment teaching system in laboratory is come into river according to claim 1, it is characterised in that
The circulating water chennel is connected with pump pond, upper storage reservoir, regulating reservoir and two water supply cylinders, and the pump pond is connected with regulating reservoir, the pump pond
Main pump is provided between the water inlet of circulating water chennel stem, small pump is provided between described two water supply cylinders and regulating reservoir, it is described
The delivery port of circulating water chennel afterbody is connected with two water supply cylinders；
The main pump and small pump are respectively equipped with flowmeter, and the water inlet position of the circulating water chennel is provided with ball flow straightener, institute
The delivery port for stating circulating water chennel afterbody is provided with water-level regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454997.9U CN206541498U (en) | 2016-12-28 | 2016-12-28 | The river environment monitoring experiment teaching system in laboratory is come into river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454997.9U CN206541498U (en) | 2016-12-28 | 2016-12-28 | The river environment monitoring experiment teaching system in laboratory is come into river |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541498U true CN206541498U (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621454997.9U Expired - Fee Related CN206541498U (en) | 2016-12-28 | 2016-12-28 | The river environment monitoring experiment teaching system in laboratory is come into river |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781882A (en) * | 2016-12-28 | 2017-05-31 | 中央民族大学 | The river environment monitoring experiment teaching system in laboratory is come into river |
| CN108597316A (en) * | 2018-03-14 | 2018-09-28 | 李�杰 | Hydrological experiment device |
| CN111127992A (en) * | 2019-12-17 | 2020-05-08 | 燕山大学 | River evolution simulation device and experiment method for automatically generating terrain |
-
2016
- 2016-12-28 CN CN201621454997.9U patent/CN206541498U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781882A (en) * | 2016-12-28 | 2017-05-31 | 中央民族大学 | The river environment monitoring experiment teaching system in laboratory is come into river |
| CN106781882B (en) * | 2016-12-28 | 2023-11-10 | 中央民族大学 | River environment monitoring experiment teaching system for river running into laboratory |
| CN108597316A (en) * | 2018-03-14 | 2018-09-28 | 李�杰 | Hydrological experiment device |
| CN111127992A (en) * | 2019-12-17 | 2020-05-08 | 燕山大学 | River evolution simulation device and experiment method for automatically generating terrain |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |