CN104126439A - Plant retention element experimental facility for plant growth and water quality and water quantity analog control - Google Patents
Plant retention element experimental facility for plant growth and water quality and water quantity analog control Download PDFInfo
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- CN104126439A CN104126439A CN201410357643.1A CN201410357643A CN104126439A CN 104126439 A CN104126439 A CN 104126439A CN 201410357643 A CN201410357643 A CN 201410357643A CN 104126439 A CN104126439 A CN 104126439A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A20/108—Rainwater harvesting
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Abstract
A plant retention element experimental facility for plant growth and water quality and water quantity analog control comprises a rainwater storage tank, a water pump, a water guide pipe, a bend, a spray head, experimental plants, an upper experimental soil-bin end, uniformly-spaced sampling ports, an experimental soil-bin juncture, a lower experimental soil-bin end, experimental soil-bin bottom sealing ports, a water outlet pipe and a sampling barrel. A lower outlet of the rainwater storage tank is connected with a water inlet of the water pump, a water outlet of the water pump delivers rainwater through the water guide pipe to the spray head which is connected with the other end of the water guide pipe, the side of the water guide pipe with the spray head is arranged at the upper experimental soil-bin end, and the bent part of the water guide pipe is connected through the bend; artificial simulated rainwater is evenly sprayed in the upper experimental soil-bin end through the spray head, the experimental plants are planted in soil media at the upper experimental soil-bin end, and the artificial simulated rainwater drained from a experimental soil-bin bottom flows into the sampling barrel through the water outlet pipe and the water guide pipe connected with the water outlet pipe. The plant retention element experimental facility has broad application prospects in the fields of environmental engineering and ecological engineering.
Description
Technical field
The plant that the present invention relates to a plant growth and water quality and quantity simulation control is detained first experimental provision, it is mainly used under artificially-simulated rainfall condition, the plant of design is detained kinetics relation between unit's energy simulation of plant growth and water quality and quantity, the correlation research between plant growth and artificial rainfall water quality and quantity be can realize, environmental project and ecological engineering field belonged to.
Background technology
Along with the rapid growth of urbanization, urban area storm runoff amount increases sharply, and produces city mighty torrent, and the people's life and property safety in serious threat.Meanwhile, urban rainfall runoff carries a large amount of pollutants (as TSS, heavy metal, COD, nutritive salt etc.) and is discharged in surface water body, and surrounding environment has been caused to serious non-point pollution.Thereby urban non-point source pollution has become the main cause of environmental pollution.
Plant be detained unit be one efficiently, urban non-point source pollution control technology cheaply.Plant be detained unit by stagnantly holding flood peak clipping flow, reduce rainwater and arrange outward, and utilize that plant is dammed, soil filtration purifying rainwater, reduce and pollute.Plant is detained in unit and plays a significant role plant, and direct effect has the absorption to organic degraded, nutritive element, the growth of root system of plant can delay soil compaction and obstruction, and this plays an important role to maintaining soil porous and drainability.Indirectly-acting is the interaction of root system of plant and rhizospheric microorganism, the specific surface area that root system of plant is huge and secretion provide the condition of adhering to and the energy for growth of microorganism, microbial activities contributes to the conversion of nutritive element, promote absorbing of plant, meanwhile, the variation of secretions from plant roots affects again activity, structure of community and the diversity etc. of rhizospheric microorganism.But, plant different vegetation plant is detained to first water quality and quantity impact effect difference to some extent, as root system of plant diameter and degree of depth difference, the ability of water conservation and absorption nutritive salt is had to very large difference.At present, it is also not clear that different root systems of plant are detained Transport And Transformation mechanism in unit to the entrained pollutant of rainfall runoff plant, and especially the correlation experimental study of the root system of plant degree of depth and water quality and quantity is also in the Primary Study stage.Although researcher has carried out the indoor and field experiment of some water quality and quantities both at home and abroad, but will be used under artificially-simulated rainfall condition, structure is observation of plant root growth situation at any time, and with plant be detained first water quality and quantity combine research experimental provision also have no report.The experimental provision that the present invention is detained correlation research between first water quality and quantity to plant growth and plant under artificially-simulated rainfall condition for experiment demand designs.For this reason, it is visual that this experimental provision can provide, and can read at any time root system of plant length, and be detained effective, feasible, the reliable experimental provision of first water quality and quantity migration correlative study with plant.
Summary of the invention
1, object:
For the problem of above-mentioned existence, the plant that the object of the present invention is to provide a plant growth and water quality and quantity simulation to control is detained first experimental provision.This apparatus structure is simple, easy to operate, economical and practical, is applicable to the analog study that plant under lab simulation artificially-simulated rainfall condition is detained dependency relation between first water quality and quantity and plant growth.
2, technical scheme:
See Fig. 1, the plant that the present invention's one plant growth and water quality and quantity simulation are controlled is detained first experimental provision, and it comprises rainwater storage tank, water pump, aqueduct, elbow, shower nozzle, experimental plant, experiment soil box upper end (perspex layer), equal interval sampling mouth, experiment soil box seam crossing (lucite and pvc pipe seam crossing), experiment soil box lower end (pvc pipe), experiment soil box bottom seal, outlet pipe, sampling tank.Position annexation between them is:
The lower part outlet of rainwater storage tank is connected with pump intake, the delivery port of water pump is delivered to manual simulation's rainwater by aqueduct the shower nozzle being connected with the aqueduct other end, be placed on experiment soil box upper end (perspex layer) with aqueduct one side of shower nozzle upper, aqueduct sweep joins with elbow; Manual simulation's rainwater is evenly sprayed in experiment soil box upper end (perspex layer) through shower nozzle, experimental plant is planted on the soil media of experiment soil box upper end (perspex layer), flow in sampling tank and test manual simulation's rainwater of discharging soil box bottom by outlet pipe and be attached thereto the aqueduct connecing.
Described rainwater storage tank is the casing of box structure;
Described water pump is basic model peristaltic pump, and its function is that the water in rainwater storage tank is automatically taken out and is depressed in shower nozzle by aqueduct;
Described aqueduct is the plastic tube with water guiding action, and plastic tube model is 16
#;
Described elbow is that bent angle is the PVC elbow of 90 °;
Described shower nozzle is that the aluminium alloy rush-resisting material of seedpod of the lotus type is made, and has the effect at porous water distributing plate surface sprinkling rainwater, and aperture is 2mm;
Described experimental plant is the normal experimental plant (perennial ryegrass, Festuca Arundinacea, annual bluegrass etc.) adopting of plant delay unit, selects different experiments plant to obtain different plants to the dependency relation between the impact of the water quality and quantity of artificial rainwater in plant delay unit.
Described experiment soil box upper end (perspex layer), is transparent circular lucite cylinder, sees very clearly the length of root system of plant, and with lucite on scale value contrast after, can directly read the length of root system of plant.The total depth of experiment soil box upper end (perspex layer) is 75cm.
Described equal interval sampling mouth uniformly-spaced arranges 10 thief hatch on experiment soil box, and thief hatch spacing is 10 cm; Collect manual simulation's rainwater sample by equal interval sampling mouth, obtain different depth place plant and be detained the water yield of unit's discharge and the relevant parameter of water quality.For the dependency relation analysis between plant growth and water quality and quantity simulation control provides underlying parameter.
Described experiment soil box seam crossing (lucite and pvc pipe seam crossing), after lucite cylinder and pvc pipe seam crossing adopt water-repellent paint sticky, adopt again screw uniformly-spaced to fix it, so that prevent that plant is detained the separation of first water yield seepage and lucite cylinder and pvc pipe.Thickness is 2cm herein.
Described experiment soil box lower end is pvc pipe, mainly contains that supporting power is large, low price, easily the feature such as acquisition.This layer depth is 50cm.Experiment soil box inner stuffing layer comprises surperficial rainwater retention layer, soil cover, vegetation and planting soil layer, sand filter blanket, metalling, outlet pipe from top to bottom.
Described experiment soil box bottom seal, material is also pvc pipe, sticks together by water-resistant adhesives with experiment soil box lower end (pvc pipe), plays the effect of shutoff.
Described outlet pipe is that diameter is the pvc pipe of 30mm, is directly connected with the pvc pipe bottom of experiment soil box bottom seal.
Described sampling tank, the cylinder barrel that material is PVC, Main Function is to collect plant to be detained manual simulation's rainwater that unit discharges, for subsequent analysis provides related experiment sample.
Workflow of the present invention is as follows:
The described connected shower nozzle of the aqueduct other end is placed in the top of experiment soil box upper end (perspex layer), manual simulation's rainwater is extracted into the shower nozzle of the aqueduct other end from aqueduct one end with pump, and manual simulation's rainwater is evenly sprayed in experiment soil box upper end (perspex layer) with shower nozzle, finally by outlet pipe and the aqueduct that is attached thereto by manual simulation's rainwater-collecting of discharging in sampling tank.Experiment agent set is experiment soil box, and experiment soil box forms by testing soil box upper end (perspex layer), experiment soil box seam crossing (lucite and pvc pipe seam crossing) and experiment soil box lower end (pvc pipe).Experiment soil box upper end perspex layer is transparent cylinder, and temporal evolution can be observed the upgrowth situation of root system of plant.In order to reduce expenses, experiment soil box lower end is mainly using PVC as experiment material, and this material more easily obtains.Experiment soil box inner stuffing layer comprises surperficial rainwater retention layer, soil cover, vegetation and planting soil layer, sand filter blanket, metalling, outlet pipe from top to bottom.
Adopt technique scheme, simulate with a plant growth and water quality and quantity the plant of controlling and be detained first experimental provision, can reflect that plant is detained unit under different raininess, dissimilar plant, different medium composition and the degree of depth, different spaces and time conditions, dynamical correlation relation between experimental plant growth and system water quality and quantity, thereby can meet the various requirement of practical engineering application.
3, advantage and effect: the plant that the simulation of the present invention's one plant growth and water quality and quantity is controlled is detained first experimental provision, have simple in structure, cost is low and the feature such as economical and practical.This experimental provision can reflect that plant is detained unit under different raininess, dissimilar plant, different medium composition and the degree of depth, different spaces and time conditions, dynamical correlation relation between experimental plant growth and system water quality and quantity, and control experiment by plant growth and water quality and quantity simulation and obtain the correlation technique parameter between plant growth and water quality and quantity.For this reason, this experimental provision provides under artificially-simulated rainfall action condition, and the plant of design is detained the kinetic parameter of plant growth, water quality and quantity dynamic change in unit, and experiment information amount is large, and can accurately read the object of plant root growth data whenever and wherever possible.
Brief description of the drawings
The plant that Fig. 1 plant growth and water quality and quantity simulation are controlled is detained first experimental provision structural representation
The plant that Fig. 2 plant growth and water quality and quantity simulation are controlled is detained first main equipment and tests soil box structural representation
The plant that Fig. 3 plant growth and water quality and quantity simulation are controlled is detained first main equipment and tests soil box front schematic view
The plant that the simulation of Fig. 4 plant growth and water quality and quantity is controlled is detained first main equipment tests the schematic diagram of looking down of soil box
In figure, symbol description is as follows:
1 rainwater storage tank; 2 water pumps; 3 aqueducts; 4 elbows; 5 shower nozzles; 6 experimental plants; 7 experiment soil box upper ends (perspex layer); 8 equal interval sampling mouths; 9 experiment soil box seam crossings (lucite and pvc pipe seam crossing); 10 experiment soil box lower ends (pvc pipe); 11 experiment soil box bottom seal; 12 outlet pipes; 13 sampling tanks; 14 surperficial rainwater retention layers; 15 soil covers; 16 dials topmost; 17 vegetation and planting soil layer; 18 scale values; The screw that 19 seam crossings are used; 20 sand filter blankets; 21 metallings.
Embodiment
Below in conjunction with accompanying drawing, the present invention is explained in further detail: see accompanying drawing
See Fig. 1, the plant that the present invention's one plant growth and water quality and quantity simulation are controlled is detained first experimental provision structural representation, and it comprises rainwater storage tank 1, water pump 2, aqueduct 3, elbow 4, shower nozzle 5, experimental plant 6, experiment soil box upper end (perspex layer) 7, equal interval sampling mouth 8, experiment soil box seam crossing (lucite and pvc pipe seam crossing) 9, experiment soil box lower end (pvc pipe) 10, experiment soil box bottom seal 11, outlet pipe 12, sampling tank 13.; Position annexation between them is:
The lower part outlet of rainwater storage tank 1 is connected with water pump 2 water inlets, the delivery port of water pump 2 is delivered to manual simulation's rainwater by aqueduct 3 shower nozzle 5 being connected with aqueduct 3 other ends, shower nozzle 5 is placed on experiment soil box upper end (perspex layer) 7, the sweep of aqueduct 3 joins with elbow 4, manual simulation's rainwater is evenly sprayed in experiment soil box upper end (perspex layer) 7 through shower nozzle 5, experimental plant 6 is planted in experiment soil box upper end (perspex layer) 7, there is outlet pipe 12 experiment soil box lower end (pvc pipe), and and sampling tank 13 between be connected by aqueduct 3, sampling tank 13 is collected the manual simulation's rainwater that is detained unit's discharge by plant.
Described rainwater storage tank 1 is the casing of box structure, and material is lucite.
Described water pump 2 is that basic model peristaltic pump, model are that BT100-2J, pump head YZ1515X, function are the water in rainwater storage tank 1 to be delivered to manual simulation's rainwater by aqueduct 3 to the shower nozzle 5 being connected with aqueduct 3 other ends;
Described aqueduct 3 is the plastic tubes with water guiding action, and plastic tube model is 16
#;
Described elbow 4, bent angle is 90 °, material is pvc pipe;
The aluminium alloy rush-resisting material that described shower nozzle 5 is seedpod of the lotus types is made, and has the effect at porous water distributing plate surface sprinkling rainwater, and aperture is 2mm;
Described experimental plant 6 is first normal experimental plant adopting for plant is detained, such as perennial ryegrass, Festuca Arundinacea, annual bluegrass etc.
Experiment soil box upper end (perspex layer) 7, is transparent circular lucite cylinder, sees very clearly the length of root system of plant, and with lucite on scale value contrast after, can directly read the length of root system of plant.
Equal interval sampling mouth 8 uniformly-spaced arranges 10 thief hatch on experiment soil box.Thief hatch spacing is 10 cm, and the material of equal interval sampling mouth is pvc pipe.
Experiment soil box seam crossing (lucite and pvc pipe seam crossing) 9, after lucite cylinder and pvc pipe seam crossing adopt water-repellent paint sticky, adopt again screw uniformly-spaced to fix it, so that prevent that plant is detained the separation of first water yield seepage and lucite cylinder and pvc pipe.
Experiment soil box lower end 10, material is pvc pipe, mainly has that supporting power is large, low price, easily the feature such as acquisition.
Experiment soil box bottom seal 11, material is pvc pipe, sticks together by water-resistant adhesives with experiment soil box lower end (pvc pipe), plays the effect of shutoff.
Described outlet pipe 12 is the pvc pipe that diameter is 30mm, is positioned at metalling 21 bottoms, and object is to collect and analyze the impact of whole device water yield and water quality.
Described sampling tank 13, the cylinder barrel that material is PVC, Main Function is to collect plant to be detained manual simulation's rainwater that unit discharges, for subsequent analysis provides related experiment sample.
The plant that the simulation of plant growth and water quality and quantity is controlled is detained first main equipment, and to test soil box structure be shown in Fig. 2, comprises; Surface rainwater retention layer 14, this layer depth is 100mm; Soil cover 15, this layer depth is 50mm; Main component is bark (bark); Dial topmost 16, be by soil cover 15 bottommosts apart from 2cm place, be also that plant seed is in edaphic planting depth; Vegetation and planting soil layer 17, this layer depth is 950cm, main component is topsoil and organic matter.
Scale value 18, main purpose is to measure root system of plant to measure over time, between each scale, is spaced apart 5cm, the changing value of scale is between 5-60cm, can meet the measurement that plant is detained the conventional root system of plant size of unit.
The screw 19 that seam crossing is used, the antirust aluminium alloy screw of energy of buying on market.
Sand filter blanket 20, the degree of depth is 5cm, also claims excessively layer.This layer of bottom is provided with a thief hatch.
Metalling 21, the degree of depth is 10cm, filters and hold back the seepage flow of upper layer of soil, in case outlet pipe is blocked.This layer of bottom is provided with outlet pipe 12.
Fig. 3 is that plant that the simulation of plant growth and water quality and quantity is controlled is detained first main equipment and tests soil box front schematic view, comprises surperficial rainwater retention layer 14, and this layer depth is 100mm; Soil cover 15, this layer depth is 50mm, main component is bark (bark); Vegetation and planting soil layer 17, the degree of depth is 950mm, main component topsoil and organic matter, this layer is provided with nine equal interval sampling mouths, between each thief hatch, is spaced apart 100mm, and thief hatch internal-and external diameter is respectively 10mm and 12mm; Sand filter blanket 20, the degree of depth is 50mm, is provided with a thief hatch; Metalling 21, the degree of depth is 100mm; Outlet pipe 12 is positioned at metalling bottom, and object is to collect and analyze the impact of whole device water yield and water quality.
Fig. 4 is the schematic diagram of looking down that plant that the simulation of plant growth and water quality and quantity is controlled is detained first main equipment and tests soil box, be that 300mm, external diameter are 310mm from scheming to test as seen soil box internal diameter, experiment soil box bottom seal thickness is 10mm, thereby bottom outermost layer diameter is 330mm.Outlet pipe length is 50mm.Outlet pipe internal diameter is 30mm, and joint is 50mm.
Claims (1)
1. the plant that a plant growth and water quality and quantity simulation are controlled is detained first experimental provision, it is characterized in that: it comprises rainwater storage tank, water pump, aqueduct, elbow, shower nozzle, experimental plant, experiment soil box upper end, equal interval sampling mouth, experiment soil box seam crossing, experiment soil box lower end, experiment soil box bottom seal, outlet pipe, sampling tank;
The lower part outlet of rainwater storage tank is connected with pump intake, the delivery port of water pump is delivered to manual simulation's rainwater by aqueduct the shower nozzle being connected with the aqueduct other end, be placed on experiment soil box upper end with aqueduct one side of shower nozzle, aqueduct sweep joins with elbow; Manual simulation's rainwater is evenly sprayed in experiment soil box upper end through shower nozzle, experimental plant is planted on the soil media of experiment soil box upper end, flow in sampling tank and test manual simulation's rainwater of discharging soil box bottom by outlet pipe and be attached thereto the aqueduct connecing;
Described rainwater storage tank is the casing of box structure;
Described water pump is basic model peristaltic pump, and its function is that the water in rainwater storage tank is automatically taken out and is depressed in shower nozzle by aqueduct;
Described aqueduct is the plastic tube with water guiding action;
Described elbow is that bent angle is the PVC elbow of 90 °;
Described shower nozzle is that the aluminium alloy rush-resisting material of seedpod of the lotus type is made, and has the effect at porous water distributing plate surface sprinkling rainwater, and aperture is 2mm;
Described experimental plant is that the normal experimental plant adopting of plant delay unit is perennial ryegrass, Festuca Arundinacea, annual bluegrass, selects different experiments plant to obtain different plants to the dependency relation between the impact of the water quality and quantity of artificial rainwater in plant delay unit;
Described experiment soil box upper end, is transparent circular lucite cylinder, sees very clearly the length of root system of plant, and with lucite on scale value contrast after, can directly read the length of root system of plant; The total depth of experiment soil box upper end is 75cm;
Described equal interval sampling mouth uniformly-spaced arranges 10 thief hatch on experiment soil box, and thief hatch spacing is 10 cm; Collect manual simulation's rainwater sample by equal interval sampling mouth, acquisition different depth place plant is detained the water yield of unit's discharge and the relevant parameter of water quality, for the dependency relation analysis between plant growth and water quality and quantity simulation control provides underlying parameter;
Described experiment soil box seam crossing, is after lucite cylinder and pvc pipe seam crossing adopt water-repellent paint sticky, then adopts screw uniformly-spaced to fix it, to prevent that plant is detained the separation of first water yield seepage and lucite cylinder and pvc pipe, thickness is 2cm herein;
Described experiment soil box lower end is pvc pipe, mainly contains that supporting power is large, low price, the feature easily obtaining; This layer depth is 50cm, and experiment soil box inner stuffing layer comprises surperficial rainwater retention layer, soil cover, vegetation and planting soil layer, sand filter blanket, metalling, outlet pipe from top to bottom;
Described experiment soil box bottom seal, material is also pvc pipe, sticks together by water-resistant adhesives with experiment soil box lower end, plays the effect of shutoff;
Described outlet pipe is that diameter is the pvc pipe of 30mm, is directly connected with the pvc pipe bottom of experiment soil box bottom seal;
Described sampling tank, the cylinder barrel that material is PVC, it act as collects manual simulation's rainwater that plant is detained unit's discharge, for subsequent analysis provides related experiment sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357643.1A CN104126439B (en) | 2014-07-25 | 2014-07-25 | The plant that one plant growth and water quality and quantity simulation control is detained unit's experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357643.1A CN104126439B (en) | 2014-07-25 | 2014-07-25 | The plant that one plant growth and water quality and quantity simulation control is detained unit's experimental provision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104126439A true CN104126439A (en) | 2014-11-05 |
| CN104126439B CN104126439B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410357643.1A Expired - Fee Related CN104126439B (en) | 2014-07-25 | 2014-07-25 | The plant that one plant growth and water quality and quantity simulation control is detained unit's experimental provision |
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| CN (1) | CN104126439B (en) |
Cited By (6)
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| CN107345888A (en) * | 2017-09-12 | 2017-11-14 | 昆山市建设工程质量检测中心 | The experimental rig of biological delaying basin moisture evaporation under a kind of simulation DIFFERENT METEOROLOGICAL CONDITIONS |
| CN107402041A (en) * | 2017-09-12 | 2017-11-28 | 昆山市建设工程质量检测中心 | It is a kind of to be used to detect the experimental rig that biology is detained facility operation efficiency |
| CN109521156A (en) * | 2018-10-29 | 2019-03-26 | 内蒙古工业大学 | The plant of the dynamic analog control of ammonium nitrogen is detained first experimental provision in three-phase medium |
| US10563392B2 (en) | 2015-08-11 | 2020-02-18 | Mmt, Inc. | Stormwater biofiltration system and method |
| CN113125677A (en) * | 2021-04-14 | 2021-07-16 | 中国科学院植物研究所 | Control experiment device and method for research on redistribution of water and/or nutrients |
| CN114839102A (en) * | 2022-04-25 | 2022-08-02 | 昆明理工大学 | Method for measuring water retention of garden herbaceous plants |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107345888A (en) * | 2017-09-12 | 2017-11-14 | 昆山市建设工程质量检测中心 | The experimental rig of biological delaying basin moisture evaporation under a kind of simulation DIFFERENT METEOROLOGICAL CONDITIONS |
| CN107402041A (en) * | 2017-09-12 | 2017-11-28 | 昆山市建设工程质量检测中心 | It is a kind of to be used to detect the experimental rig that biology is detained facility operation efficiency |
| CN109521156A (en) * | 2018-10-29 | 2019-03-26 | 内蒙古工业大学 | The plant of the dynamic analog control of ammonium nitrogen is detained first experimental provision in three-phase medium |
| CN113125677A (en) * | 2021-04-14 | 2021-07-16 | 中国科学院植物研究所 | Control experiment device and method for research on redistribution of water and/or nutrients |
| CN114839102A (en) * | 2022-04-25 | 2022-08-02 | 昆明理工大学 | Method for measuring water retention of garden herbaceous plants |
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| CN104126439B (en) | 2016-06-08 |
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