CN207317837U - The experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation - Google Patents
The experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation Download PDFInfo
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Abstract
The utility model discloses a kind of experimental rig of biological delaying basin comprehensive effectiveness under the conditions of simulation natural precipitation, including test bed and experiment bucket rest area, test bed is that double-deck bed surface structure includes water permeating board and water collection sheet, water collection sheet is arranged on below water permeating board, infiltration plate surface is additionally provided with some water seepage holes, the periphery of water permeating board is provided with outer baffle and cooperatively forms confluence space with outer baffle, confluence is provided with movable partition component in space, confluence space is divided into water catchment area and catchment by movable partition component, water catchment area is provided with some confluence discharge outlet on corresponding outer baffle side, confluence discharge outlet side is arranged to experiment bucket rest area, experiment bucket rest area above water permeating board with being provided with rain making component.The utility model can be used for the comprehensive effectiveness of biological delaying basin under the conditions of simulation natural precipitation, carry out quantitative analysis, and the formulation for sponge urban construction scheme provides foundation, and manufacturing cost is cheap, installation, convenient disassembly, workable, wide application.
Description
Technical field
It the utility model is related to sponge urban construction technical field, and in particular to biology under the conditions of one kind simulation natural precipitation
The experimental rig of delaying basin comprehensive effectiveness.
Background technology
Sponge city is a kind of brand-new urban construction theory, it follows the principle of Ecology Precedence, by natural way and people
Work measure is combined, and on the premise of ensure municipal drainage prevention waterlogging safety, builds nature accumulation, naturally osmotic, self-purification
Sponge city, realizes rainwater in the accumulation of urban area, the utilization and ecological environmental protection of promotion rainwater resource to greatest extent.
Biological delaying basin is to be used to handle runoff rainwater in sponge urban construction, a key technology for the slow row that avoids the peak hour.China is for life
The research of thing delaying basin is started late, indiscriminately imitate foreign countries achievement in research there are adaptability deficiency, the excessively high problems of cost, I
There is an urgent need to carry out the related localization research of biological delaying basin, but existing be used for biological delaying basin comprehensive effectiveness research
Experimental rig there are many defects.
Existing buried experimental rig is that simulation scene sets biological retardation assay pond in roadside greenbelt, and in road
On with divider divide water catchment area, since biological retardation assay pond is larger plus supporting watershed area, use manually drop
Rain device could be tested when being difficult and covering whole trial zone, only natural rainfall, and actual rainfall poor controllability, experiment essence
Degree deficiency, test efficiency are low；Pond body is embedded to underground, observation and filler sampling analysis difficulty of the later stage to plant root growth
Greatly, at the same catchment area and delaying basin surface area fraction once it is determined that, the later stage is difficult to change again, flexibility deficiency；Moreover for
For the buried biological retardation assay pond built up, filler also extremely inconvenience is replaced, it is big to carry out check experiment difficulty.
Existing ground type experimental rig is to set biological retardation assay bucket on the ground and be equipped with rainfall simulator, and
Actual water catchment area is not provided with, rainfall simulator is to control rainfall by the open degree of supercharging device and manual control valve
Size, and simulate water catchment area generation runoff be then to be calculated according to certain catchment area and runoff coefficient in the unit interval
Run-off, be then converted to rainfall, biological delaying basin be directly entered by spray equipment, spray raininess is not actual drop
Raininess degree, and cause the rainfall of test simulation there are certain contributing time and charge for remittance time after rainfall starts under actual conditions
There are larger difference with actual conditions for runoff hydrograph；Only a few experimental rig is provided with charge for remittance plate (groove), but its area
Still it is to determine value, and does not account for oozing factor under water catchment area, operability is limited.
In addition, existing experimental rig can not be carried out at the same time multigroup experiment mostly, for example study under same field catchment,
The influence of different filter layer fillers, different catchment areas or different vegetation types to system comprehensive effectiveness, particularly studies rainfall
In the experiment that intermittent phase influences system comprehensive effectiveness, it is necessary to assure the rainfall intensity and rain time of two adjacent catchments
Same frequency so that biology to be tested is detained bucket (pond) and identical external condition is faced in the rainfall intermittent phase, and existing
The device difficulty that operates is larger.
Moreover the road surface both sides biology delaying basin in Practical Project is likely located at the both sides of water catchment area may also be located at charge for remittance
The centre position in area, biological delaying basin is different from the relative position of water catchment area, and the production confluence feature of water catchment area is also different, to system
Comprehensive effectiveness can also have an impact.Existing apparatus can not also simulate the comprehensive effectiveness of biological delaying basin under different confluence features.
The content of the invention
The purpose of the utility model is to overcome problem above existing in the prior art, there is provided one kind simulation natural precipitation bar
The experimental rig of biological delaying basin comprehensive effectiveness under part, the utility model can be used for biology under the conditions of simulating natural precipitation and be detained
The comprehensive effectiveness in pond, carries out quantitative analysis, and the formulation for sponge urban construction scheme provides foundation, and manufacturing cost is cheap, peace
Dress, convenient disassembly, workable, wide application.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
The experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation, including test bed, experiment bucket
Rest area and detecting and controlling system；
The test bed is double-deck bed surface structure, and the bilayer bed surface structure includes water permeating board and water collection sheet, described to catchment
Plate is arranged on below water permeating board, and the infiltration plate surface is additionally provided with some water seepage holes, and the periphery of the water permeating board is provided with outside
Baffle simultaneously cooperatively forms confluence space with outer baffle, and the experiment bucket rest area is arranged on the outside of outer baffle side, the remittance
Movable partition component is provided with fluid space, confluence space is divided into water catchment area and catchment by the movable partition component, institute
State and be provided with some remittances with opening and closing function on the first side block side that outer baffle is located between water catchment area and experiment bucket rest area
Discharge outlet is flowed, is additionally provided with down on the water collection sheet and oozes discharge outlet, oozed under described and lower seepage flow gauge is provided with discharge outlet；
Biological retardation assay bucket is provided with the experiment bucket rest area, the experiment bucket rest area above test bed with setting
Rain making component is equipped with, feed water flow gauge is provided with the rain making component；
The detecting and controlling system includes computer, rainfall controller, flow registering instrument, the feed water flow gauge, lower seepage flow
Gauge is connected with flow registering instrument.
Further, the infiltration plate surface even partition is some charge for remittance units, is both provided with each charge for remittance unit
Water seepage hole, is provided with cork in the water seepage hole.
Further, the outer baffle is located at the first side block and is respectively provided with the second side block of both sides and on the 3rd side block side
There are some osculums, the osculum is set close to the angle of adjacent charge for remittance unit, and cork is also equipped with the osculum.
Further, the movable partition component includes some tab-delimited columns and some separation plates, the positioning point
Four the first card slots are evenly arranged with spacer post outer surface, first card slot is set towards corresponding outer baffle inner wall, institute
State and the second card slot is additionally provided with the corresponding outer baffle inner wall of the first card slot, the separation plate is arranged on the first card slot and the
Between two draw-in groove or between the first card slot for being arranged between two neighboring tab-delimited column.
Further, it is both provided with avoidance runner between the first card slot bottom and the second card slot bottom and water permeating board.
Further, the rain making component includes rack, spray equipment, aqueduct and supercharging device, the spray
Shower device is fixed in rack, and the rainfall controller in detecting and controlling system is connected with supercharging device, and supercharging device passes through water delivery
Pipeline is connected with spray equipment, and feed water flow gauge is provided with the aqueduct.
Further, the water permeating board is respectively provided with the support frame with water collection sheet, and the support frame bottom is provided with
Adjustable support leg.
Further, the biological retardation assay bucket, which is arranged on, slides on cart, and the biology retardation assay bucket includes saturating
Bright staving, testing fill is provided with the transparent drum body, and testing fill surface kind has plant and seen equipped with plant growth
Ruler is examined, spout hole and apopore are provided with the transparent drum body side, the spout hole is connected with overflow pipe, the overflow pipe
On be provided with excess flow meter, the apopore is connected with outlet pipe, is provided with water flow meter on the outlet pipe, described to overflow
Stream flowmeter and water flow meter are connected with the flow registering instrument in detecting and controlling system.
Further, the transparent drum external surface is coated with black sponge.
The beneficial effects of the utility model are:
1st, the present invention uses Mobile biological retardation assay bucket, and it is some can to prepare different fillers, different vegetation types etc.
Biological retardation assay bucket, is moved to trial zone relevant position during experiment according to testing program by corresponding biological retardation assay bucket, can
Strong operability, it is convenient, flexible.
2nd, water permeating board is divided into the adjustable water catchment area of area and catchment by movable partition component, after rainfall starts, is oozed
Production stream, confluence situation on water plate can carry out different water catchment area areas and biological delaying basin surface area ratio close to actual conditions
The experimental study of value, contrasts influence of the different catchment areas to biological gaseous-waste holdup system comprehensive effectiveness；
3rd, water permeating board is equipped with some water seepage holes to be opened/closed, and the runoff coefficient of test bed is adjusted by being opened and closed water seepage hole,
I.e. by the lower milliosmolarity for the quantity Control experiment bed for being opened and closed water seepage hole, the comprehensive of different type water catchment area biology delaying basin can be simulated
Efficiency is closed, determines most suitable catchment area and the ratio of biological delaying basin surface area；
4th, the present apparatus can meet that multiple biological retardation assay buckets are carried out at the same time experiment, under same condition of raining, can keep away
Exempt from the influence of external condition brought because of the time difference, so between first rainfall terminates to next rainfall
Intermittent phase, the external condition that biological retardation assay bucket faces is just the same, its interference to experiment also can be neglected；
5th, biological retardation assay bucket can be located at any one corresponding position of confluence discharge outlet in water catchment area, close to reality
Border situation, can simulate the comprehensive effectiveness of system under different confluence features, easy to operate, data are true and reliable.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification, with the preferred embodiment of the utility model and coordinate attached drawing detailed below
Describe in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiments and its attached drawing.
Brief description of the drawings
In order to illustrate more clearly of the technical solution in the utility model embodiment technology, embodiment technology will be retouched below
Attached drawing is briefly described needed in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overlooking the structure diagram of the utility model；
Fig. 3 is the water permeating board of the utility model and plate structure schematic diagram of catchmenting；
Fig. 4 is the movable partition component structure diagram of the utility model；
Fig. 5 is the structure diagram of biology delaying basin comprehensive effectiveness experiment when the utility model simulation is unidirectionally converged；
The structure diagram of biology delaying basin comprehensive effectiveness experiment when Fig. 6 is the utility model simulation bidirectional collection；
Fig. 7 is the structural representation that the utility model simulates identical catchment area, different biological retardation assay buckets while experiment
Figure.
Fig. 8 is the structural representation that the utility model simulates different catchment areas, identical biological retardation assay bucket while experiment
Figure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to figs. 1 to shown in Fig. 4, a kind of experimental rig for simulating biological delaying basin comprehensive effectiveness under the conditions of natural precipitation,
Including test bed 111, experiment bucket rest area 5 and detecting and controlling system 112；Test bed is used to receive experiment rainwater and distinguishes confluence
Discharged to experiment bucket rest area, and by part rainwater in a manner of simulating down and oozing；It is stagnant that biology is provided with experiment bucket rest area
Experiment bucket 6 is stayed, to receive the rainwater for converging into experiment bucket rest area；Detecting and controlling system 112 effectively monitors each several part rainwater stream
Enter the data of outflow；
Wherein, bucket rest area is tested with being provided with rain making component 7 above test bed, and rain making component can be by rain
Water is uniformly down to experiment bucket rest area with test bed region, being provided with feed water flow gauge 8, record drop on rain making component
Rain total amount.
Above-mentioned test bed is double-deck bed surface structure, and double-deck bed surface structure includes water permeating board 1 and water collection sheet 10, and water collection sheet is set
Below water permeating board, infiltration plate surface is additionally provided with some water seepage holes 9, and the part rainwater that infiltration plate surface is accepted can pass through infiltration
Hole flows to water collection sheet, and wherein water collection sheet has water storage function, can set rib；The periphery of water permeating board is provided with outer baffle 2 simultaneously
Confluence space is cooperatively formed with outer baffle, rainwater can be oriented to convergence side by side to specified design position in confluence space；Experiment
Bucket rest area is arranged on the outside of outer baffle side, and movable partition component 3 is provided with space of converging, and movable partition component will converge
Fluid space is divided into water catchment area and catchment, and the rainwater of catchment is expelled directly out, and the rainwater of water catchment area is stand-by；Outer baffle position
Some confluence discharge outlet 4 with opening and closing function are provided with the first side block side between water catchment area and experiment bucket rest area,
Discharge outlet of converging is that the rainwater on test bed is discharged into the approach of biological retardation assay bucket；It is additionally provided with down on water collection sheet and oozes draining
Mouthfuls 11, under ooze lower seepage flow gauge 12 be provided with discharge outlet, the rainwater to be fallen by water seepage hole can be collected and measure, mould
Intend the situation that subsurface oozes；
Detecting and controlling system includes computer 113, rainfall controller 114, flow registering instrument, feed water flow gauge, lower seepage discharge
Meter is connected with flow registering instrument, and computer is used for the data for receiving flow registering instrument collection, is easy to use.In detecting and controlling system
Rainfall controller can effectively control rainfall intensity, rainfall duration and raindrop size etc..
Above-mentioned infiltration plate surface even partition is some charge for remittance units 13, passes through the setting of charge for remittance unit, movable partition
Component can be separated along it, can quickly determine that the area of water catchment area (determines the area of single charge for remittance unit after separation
Afterwards, it is only necessary to be multiplied by charge for remittance element number in water catchment area and can obtain the gross area), it is both provided with water seepage hole on each charge for remittance unit
9, be provided with cork in water seepage hole, avoid herein current flow into water collection sheet, the water seepage hole for the plate surface that seeps water in experiment can be according to mould
Intend the type in plot and its comprehensive runoff coefficient is opened and closed quantity adjustment, when adjustment must ensure water seepage hole in each charge for remittance unit
Opening and closing quantity it is consistent, wherein cork can partly protrude infiltration plate surface, and lobe portion can cause necessarily to hinder to confluence rainwater
Hinder, when being converged with simulated roadway, the uneven obstruction effect formed to rainwater in road surface.
Above-mentioned outer baffle is located at the first side block and is both provided with some rows in the second side block of both sides and on the 3rd side block side
Water hole 14, is also equipped with cork in osculum, when osculum is in water catchment area side, then needs cork beyond the Great Wall, prevents rainwater
Discharge, when in catchment side, cork is extracted, and the rainwater fallen can smoothly be discharged, osculum is close to adjacent charge for remittance
The angle of unit is set, and is located at the first side block side side, after being isolated by movable partition component, the draining in angle
Hole can be completely exhausted out rainwater, will not stockpile, and avoid quickly discharging in overflow to water catchment area, effectively reduce to water catchment area
Interference, and also effectively reduce to the pressure of water permeating board.
Above-mentioned movable partition component includes some tab-delimited columns 15 and some separation plates 16, tab-delimited outer surface of column
On be evenly arranged with four the first card slots 17, the first card slot is set towards corresponding outer baffle inner wall, and the first card slot is corresponding
Outer baffle inner wall on be additionally provided with the second card slot 171, separate plate and be arranged between the first card slot and the second card slot or set
Put between the first card slot between two neighboring tab-delimited column.Wherein tab-delimited column is arranged on four adjacent exchange memos
Around the angle set, this position can be good at charge for remittance unit is evenly spaced member, be passed through needing adjacent charge for remittance unit
When logical, then be not provided with separating plate, when needing isolation, then between the first card slot and the first card slot between adjacent side or
Plugged between the first card slot of person and the second card slot and separate plate, separating the angle of plate bottom and water permeating board can use
Fluid sealant or adhesive tape carry out encapsulation process, prevent the rainwater of catchment from flowing into water catchment area so as to influence the accuracy of experiment.
Avoidance runner is both provided between first card slot bottom and the second card slot bottom and water permeating board, in rainwater conflux from row
When water hole is discharged, avoidance runner can avoid the stop to rainwater, quickly flow away, avoid putting aside, pressure is caused to experimental rig.
Said structure when in use, when the area for needing four charge for remittance units, then selects on the confluence discharge outlet periphery used
Four connected charge for remittance units are selected, are then inserted between corresponding first card slot and the second card slot by separating plate and the
Between one card slot and adjacent positioned separate corresponding first card slot of column, the effect of enclosing is formed.
When the area for needing five charge for remittance units, then the confluence discharge outlet periphery used selects five connected exchange memos
Member, then by separating, plate is inserted between corresponding first card slot and the second card slot and the first card slot divides with adjacent positioned
Between corresponding first card slot of spacer post, the effect of enclosing is formed；
In aforesaid operations, it is to be noted that need continuous charge for remittance unit to separate, the final charge for remittance unit energy after separation
Enough perforations, can arbitrarily overlap, operation is simple and reliable.
Rain making component includes rack 18, spray equipment 181, aqueduct 19 and supercharging device 20, and spray equipment is solid
It is scheduled in rack, the rainfall controller in detecting and controlling system is connected with supercharging device, and supercharging device passes through aqueduct and spray
Shower device connects, and feed water flow gauge is provided with aqueduct.Rainwater in rainwater bucket is pumped to water-supply-pipe by supercharging device
Road, and be sprayed at by spray equipment in working region, the nozzle on spray equipment can be adjusted by rainfall controller, to reach
Test the rainfall intensity of setting；
Water permeating board is arranged in support frame 21 with water collection sheet, and support frame bottom is provided with adjustable support leg, Neng Goumo
Intend the angle of inclination on ground during confluence.
And biological retardation assay bucket is arranged on and slides on cart 22, operated easy to testing crew, biological retardation assay bucket bag
Transparent staving is included, testing fill is provided with transparent drum body, kind has plant and is equipped with plant growth sight gauge on filler, easy to remember
Plant growth situation is recorded, and the growing state of internal packing course situation and root system of plant can be observed by transparent staving, it is transparent
Spout hole 24 and apopore 25 are provided with staving side, spout hole is connected with overflow pipe, and excess flow is provided with overflow pipe
Meter, apopore are connected with outlet pipe, and water flow meter, excess flow meter and water flow meter are provided with outlet pipe and is controlled with detection
Flow registering instrument connection in system processed, can gather and summary information in real time.Transparent drum external surface is coated with black sponge,
Underground dark surrounds is simulated while convenient observe, reduces the interference of the conditions such as illumination.
Separately below the application method of the present apparatus is illustrated with the designed arrangement of four kinds of experiments：
(1) the arrangement citing of biology delaying basin comprehensive effectiveness experiment when simulation is unidirectionally converged：It is as shown in figure 5, biological
Retardation assay bucket position belongs to unidirectional charge for remittance, water permeating board is separated out water catchment area and draining by movable partition component in water catchment area side
Area, experiment catchment area are 8: 1 with biological retardation assay bucket surface area ratio；It is soft on the drain plug of water catchment area side
Plug is closed, and the osculum positioned at catchment side is then fully open；With the biological corresponding confluence of retardation assay bucket
Discharge outlet is in open mode, remaining confluence discharge outlet is turned off；The water seepage hole of infiltration plate surface is all turned on, with runoff simulation
The less road surface of coefficient.
(2) the arrangement citing of biology delaying basin comprehensive effectiveness experiment when simulating bidirectional collection：It is biological in Practical Project
Delaying basin is likely located at the optional position of water catchment area, and arrangement as shown in Figure 6 is biological retardation assay bucket position in water catchment area
Centre, is two-way charge for remittance, and experiment catchment area is 10: 1 with biological retardation assay bucket surface area ratio；Infiltration plate surface is oozed
Water hole part is closed, and each the closing quantity of water seepage hole is consistent in charge for remittance unit, to simulate the runoff coefficient on actual road surface, behaviour
Make simply, to substantially increase test efficiency.
(3) the arrangement citing that identical catchment area, different biological retardation assay buckets are tested at the same time：Using such as Fig. 7 institutes
The arrangement shown, experiment catchment area are 4: 1 with biological retardation assay bucket surface area ratio, and confluence mode is unidirectional remittance
Water, can simulate what different retention pond type, different wire feedings or different vegetation types influenced delaying basin comprehensive effectiveness
Experimental study.Both sides base angle experiment bucket rest area places two biological retardation assay buckets and is carried out at the same time experiment, places a band and protects
It is comprehensive that the biological retardation assay bucket of water layer and a biological retardation assay bucket without water conservation layer carry out different type biology delaying basin
Close the contrast test of efficiency；The biological retardation assay bucket (with water conservation layer or without water conservation layer) of homogenous configuration is placed, is used respectively
Different fillers carries out contrast test；Homogenous configuration, the biological retardation assay bucket of wire feeding of the same race, two buckets can also be placed
Different plants is planted respectively, carries out foliage filter screening experiment.Two biological retardation assay buckets are extraneous in addition to self-condition is different
Condition is completely the same, and control works well, and while improving test efficiency, result of the test is also more accurate.
(4) the arrangement citing that different catchment areas, identical biological retardation assay bucket are tested at the same time：Using such as Fig. 8 institutes
The arrangement shown can be carried out at the same time different water catchment area areas with biological retardation assay bucket surface area ratio to biological delaying basin
The experimental study that comprehensive effectiveness influences, ratio are respectively 4: 1 and 3: 1, and two biological retardation assay buckets are identical, and when experiment can
Intuitively find out the difference on the hydrologic parameters such as flowing-out time, the overflow time of two biological retardation assay buckets, simulation effect is good,
Error is smaller, because being that experiment can ignore the interference of external condition at the same time, improves test efficiency and precision.
After experiment arrangement is determined, effective hydrologic effect research, including following step are carried out using above device
Suddenly：
1st, according to local Rain Intensity Formula Based, corresponding storm recurrence period and rainfall duration is selected, determines simulated rainfall
Rainfall intensity and quantum of rainfall；
2nd, rainfall area coverage is denoted as A for the trial zone gross area0, the water permeating board gross area is denoted as A1, with movable partition component into
The area of water catchment area after row isolation is denoted as A2, the surface area of single biology retardation assay bucket is denoted as A3；
3rd, biological retardation assay bucket to be tested is pushed at experiment bucket rest area with slip cart, opens corresponding remittance
Flow discharge outlet；
4th, the reading difference of feed water flow gauge under original state, water flow meter, excess flow meter, lower seepage flow gauge is recorded
It is recorded as Q1、Q2、Q3、Q4, rainfall starts；
5th, after rainfall, record feed water flow gauge, water flow meter, excess flow meter, the reading Q of lower seepage flow gauge11、
Q22、Q33、Q44；
6th, total rainfall Q during whole experiment1'=(Q11-Q1), biological retardation assay bucket outflow Q2'=(Q22-Q2),
Biological retardation assay bucket spillway discharge Q3'=(Q33-Q3), total lower milliosmolarity Q4'=(Q44-Q4)；
The corresponding rainfall Q in test bed region5'=Q1’×A1/A0, runoff coefficient ψ=(Q during whole experiment5’-
Q4’)/Q5’
Effective precipitation=water catchment area run-off+is directly entered rainfall=Q of biological retardation assay bucket1’×(A2/A0)
×ψ+Q1’×A3/A0, it is denoted as Q6’；
Wherein flow registering instrument is connected with feed water flow gauge, water flow meter, excess flow meter, lower seepage flow gauge, collection
Wherein data, and rainfall can be read from flow registering instrument and go out the curve that stream changes over time, import in Microsoft Excel,
Flow delay time t can directly be read out according to curve1, flood peak time delay t2, runoff volume reduction rate=(Q6’-Q2’-
Q3’)/(Q6’-Q3') × 100% and flood peak reduction rate=(q1-q2)/q1, wherein q1It is the maximum flow rate in rainfall, q2
It is the maximum flow rate in outflow process.
7th, when needing to study the infiltration coefficient of filter layer filler, three pressure-measuring pipes are installed on biological retardation assay bucket,
After stopping rainfall, the reading h of pressure-measuring pipe is recorded when surface level is down to dielectric surface 10cm or so in biology delay bucket1、h2、
h3And go out flow velocity q, osmotic coefficient k=qL/A of filter layer filler3H, wherein q be flow velocity, L is between adjacent pressure-measuring pipe
Away from, A3It is detained the surface area of bucket, h=[(h for biology1-h2)+(h2-h3)]/2。
Effective water quality research is carried out using above device after experiment arrangement is determined：
, can be in rainwater bucket directly if the natural rainfall runoff collected in testing the water inlet used as rainwater bucket
Water intaking, water outlet are derived from biological retardation assay bucket water outlet, respectively the permanganate index of detection Inlet and outlet water, total nitrogen, total phosphorus, ammonia
The indexs such as nitrogen, nitrate nitrogen, suspended matter, calculate removal rate；If necessary to artificial distribution, then the index of correlation intake be it is known that
Biological retardation assay bucket water outlet water intaking detection index of correlation, calculates removal rate.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
- A kind of 1. experimental rig of biological delaying basin comprehensive effectiveness under the conditions of simulation natural precipitation, it is characterised in that：Including experiment Bed, experiment bucket rest area and detecting and controlling system；The test bed is double-deck bed surface structure, and the bilayer bed surface structure includes water permeating board and water collection sheet, and the water collection sheet is set Put below water permeating board, the infiltration plate surface is additionally provided with some water seepage holes, and the periphery of the water permeating board is provided with outer baffle And confluence space is cooperatively formed with outer baffle, the experiment bucket rest area is arranged on the outside of outer baffle side, and the confluence is empty Interior to be provided with movable partition component, confluence space is divided into water catchment area and catchment by the movable partition component, described outer Baffle, which is located on the first side block side between water catchment area and experiment bucket rest area, is provided with some bus-bars with opening and closing function The mouth of a river, is additionally provided with down on the water collection sheet and oozes discharge outlet, oozed under described and lower seepage flow gauge is provided with discharge outlet；Biological retardation assay bucket is provided with the experiment bucket rest area, the experiment bucket rest area above test bed with being provided with Rain making component, is provided with feed water flow gauge on the rain making component；The detecting and controlling system includes computer, rainfall controller, flow registering instrument, the feed water flow gauge, lower seepage flow gauge It is connected with flow registering instrument.
- 2. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The infiltration plate surface even partition is some charge for remittance units, and water seepage hole is both provided with each charge for remittance unit, Cork is provided with the water seepage hole.
- 3. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The outer baffle be located at the first side block be both provided with the second side block of both sides and on the 3rd side block side it is some Osculum, the osculum are set close to the angle of adjacent charge for remittance unit, and cork is also equipped with the osculum.
- 4. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The movable partition component includes some tab-delimited columns and some separation plates, outside the tab-delimited column Four the first card slots are evenly arranged with surface, first card slot is set towards corresponding outer baffle inner wall, and described first The second card slot is additionally provided with the corresponding outer baffle inner wall of card slot, the separation plate is arranged on the first card slot and the second card slot Between or the first card slot for being arranged between two neighboring tab-delimited column between.
- 5. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 4, It is characterized in that：Avoidance runner is both provided between the first card slot bottom and the second card slot bottom and water permeating board.
- 6. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The rain making component includes rack, spray equipment, aqueduct and supercharging device, the spray equipment Be fixed in rack, the rainfall controller in detecting and controlling system is connected with supercharging device, supercharging device by aqueduct with Spray equipment connects, and feed water flow gauge is provided with the aqueduct.
- 7. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The water permeating board is respectively provided with the support frame with water collection sheet, and the support frame bottom is provided with adjustable supporting Foot.
- 8. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 1, It is characterized in that：The biology retardation assay bucket, which is arranged on, to be slided on cart, and the biology retardation assay bucket includes transparent staving, Testing fill is provided with the transparent drum body, testing fill surface kind has plant and equipped with plant growth observation ruler, institute State and spout hole and apopore are provided with transparent drum body side, the spout hole is connected with overflow pipe, is set on the overflow pipe There is excess flow meter, the apopore is connected with outlet pipe, and water flow meter, the excess flow are provided with the outlet pipe Meter and water flow meter are connected with the flow registering instrument in detecting and controlling system.
- 9. the experimental rig of biological delaying basin comprehensive effectiveness under the conditions of a kind of simulation natural precipitation according to claim 8, It is characterized in that：The transparent drum external surface is coated with black sponge.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110853484A (en) * | 2019-11-05 | 2020-02-28 | 西安科技大学 | Green roof function demonstration model in sponge city |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110853484A (en) * | 2019-11-05 | 2020-02-28 | 西安科技大学 | Green roof function demonstration model in sponge city |
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