CN211954232U - Test device for simulating combined effect of biological retention tank and pavement - Google Patents
Test device for simulating combined effect of biological retention tank and pavement Download PDFInfo
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- CN211954232U CN211954232U CN202020908490.6U CN202020908490U CN211954232U CN 211954232 U CN211954232 U CN 211954232U CN 202020908490 U CN202020908490 U CN 202020908490U CN 211954232 U CN211954232 U CN 211954232U
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Abstract
The utility model discloses a test device of simulation biological detention pond and road surface combined effect, including simulation precipitation device, simulation road, biological detention pond, simulation precipitation device is to the road surface water spray of simulation road, one side of simulation road sets up the mouth that converges, the below of mouth that converges sets up the water receiving funnel, the water receiving funnel with biological detention pond intercommunication. The utility model discloses device low cost, easy operation, data are reliable to it is convenient to gather, but reuse can simulate different rainfall intensity, different rainfall and time the hydrology quality of water effect and the vegetation condition in biological detention pond under the condition, and relevant basic research has the significance to promoting sponge city construction.
Description
Technical Field
The utility model relates to a sponge city field, concretely relates to test device of simulation biological detention pond and road surface combined effect.
Background
The sponge city is a brand-new city construction concept, follows the principle of ecological priority, combines natural approaches with artificial measures, and constructs the sponge city with natural accumulation, natural penetration and natural purification on the premise of ensuring the safety of urban drainage and waterlogging prevention, so that the accumulation of rainwater in an urban area is realized to the maximum extent, and the utilization of rainwater resources and the protection of ecological environment are promoted.
The biological detention pond is a key technology for treating runoff rainwater and staggering peak slow drainage in sponge city construction. The research on the bioretention pond in China is late, and the problems of insufficient adaptability, high construction cost and the like exist in the process of moving foreign research results, so that the local research on the bioretention pond is urgently needed.
Most of the existing bioretention pond test devices can not simultaneously perform multiple groups of tests, for example, in the test for researching the influence of different filter layer fillers, different catchment areas and different plant types on the comprehensive efficiency of the system under the same rainfall event, especially in the test for researching the influence of the rainfall interval period on the comprehensive efficiency of the system, the rainfall intensity of two adjacent rainfall events is ensured to be synchronous and consistent with the rainfall duration, so that the bioretention pond to be tested faces the completely same external conditions in the rainfall interval period, and the existing device has great operation difficulty and is very inconvenient to use.
Therefore, it is necessary to research an experimental device for simulating the combined effect of the bioretention pond and the pavement.
Disclosure of Invention
An object of the utility model is to overcome the problem that prior art exists, provide a simulation biological detention pond and permeable pavement combined effect's test device, the utility model discloses install low cost, easy operation, data are reliable to it is convenient to gather, but reuse can simulate different rainfall intensity, different rainfall duration condition under the hydrology quality of water effect and the vegetation condition in biological detention pond, relevant basic research has the significance to promoting sponge city construction.
The utility model discloses a test device of biological detention pond and road surface combined effect of simulation, including simulation precipitation device, simulation road, biological detention pond, simulation precipitation device is to the road surface of simulation road on the water spray, one side of simulation road sets up the mouth that converges, the below of mouth that converges sets up the water receiving funnel, the water receiving funnel with biological detention pond intercommunication.
The utility model discloses a preferred embodiment, further include simulation precipitation equipment, including water tank, water pump, water pipe, shower nozzle, the water pump is with the water suction in the water tank to the water pipe, the water pipe sets up the top at the simulation road, the shower nozzle interval sets up on the water pipe.
The utility model discloses a preferred embodiment, further include set up control valve and water pipe flowmeter on the water pipe.
The utility model discloses a preferred embodiment, further include the simulation road is formed by the concatenation of the waterproof aluminium-plastic panel of stereoplasm.
The utility model discloses a preferred embodiment, further include the simulation road is permeable pavement.
The utility model discloses a preferred embodiment, further include the bioretention pond includes inlet tube, perforation drain pipe, outlet pipe, overflow pipe, the inlet tube communicates with the water receiving funnel and sets up in the top of bioretention pond, the perforation drain pipe buries in bioretention pond bottom, the outlet pipe communicates with the perforation drain pipe, the overflow pipe sets up at bioretention pond top.
The utility model discloses a preferred embodiment, further include the exit of overflow pipe set up the overflow pipe flowmeter the exit of outlet pipe sets up the outlet pipe flowmeter.
In a preferred embodiment of the present invention, the biological retention device further comprises a plurality of biological retention tanks, and the water filtering structure in each biological retention tank is different.
In a preferred embodiment of the present invention, the bioretention pond further comprises a test plant.
The utility model has the advantages that:
the utility model discloses a test device is used for detecting hydrology and the quality of water effect in biological detention pond, through setting up simulation road, simulates the rainwater and falls to the road surface and produce the condition that flows to flow into biological detention pond again after converging, more approaches the runoff relation between real road rainwater and the biological detention pond, the utility model discloses device low cost, easy operation, data are reliable to but gather convenient, repeatedly usable can simulate different rainfall intensity, different rainfall duration condition down the hydrology quality of water effect and the vegetation condition in biological detention pond, relevant basic research has the significance to promoting sponge city construction.
Drawings
FIG. 1 is a schematic structural diagram of a test device for simulating the combined effect of a bioretention pond and a road surface according to the present invention;
fig. 2 is a schematic structural view of the bioretention pond of the present invention.
The reference numbers in the figures illustrate: 1. a water tank; 2. a water pump; 3. a water pipe; 4. a spray head; 5. a control valve; 6. a water pipe flow meter; 7. simulating a road; 8. a water receiving funnel; 9. a bioretention pond; 901. a water inlet pipe; 902. a perforated drain pipe; 903. a water outlet pipe; 904. an overflow pipe; 10. an overflow tube flow meter; 11. a water outlet pipe flowmeter; 12. the plants were tested.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, the utility model discloses a simulation biological detention pond and an embodiment of test device of road surface combined effect, including simulation dewatering device, simulation road 7, biological detention pond 9, simulation dewatering device is to the road surface of simulation road 7 on the water spray, one side of simulation road 7 is provided with the mouth that converges, the below of mouth that converges sets up water receiving funnel 8, water receiving funnel 8 with biological detention pond 9 intercommunication, in this embodiment, adopt simulation dewatering device earlier to simulating 7 upper precipitations on road surface, have a process of producing water and catchment on simulation road surface 7, just can flow into biological detention pond 9 after a period, more approach the runoff relation between true road rainwater and the biological detention pond 9, make the data that the experimental apparatus of simulation surveyed more accurate.
Specifically, the simulation precipitation device includes water tank 1, water pump 2, water pipe 3, shower nozzle 4, and in this embodiment, water tank 1 adopts the diameter to be 1.5m, is high for the cylindric cask of 1.5m, and in order to simulate the composition of rainwater, collect natural rainwater in water tank 1, and water pump 2 adopts DAB-JETINOX132M type single-phase self priming pump, and this pump lift 50m, maximum flow 4m3/h satisfy the test requirement, water pump 2 is in with the water pump suction of water tank 1 to water pipe 3, water pipe 3 sets up in the top of simulation road 7, shower nozzle 4 interval is set up on water pipe 3, shower nozzle 4 evenly distributed is in simulation road 7 top, guarantees that the hydroenergy that shower nozzle 3 sprays can cover whole simulation road 7 to guarantee that the waterfall places on simulation road 7 are the same.
In this embodiment, in order to simulate different precipitation, be provided with control valve 5 and water pipe flowmeter 6 on the water pipe 3, adjust the water yield that control valve 5 can control shower nozzle 4 to can simulate different precipitation conditions according to the experiment requirement.
Specifically, there are two situations of the road surface on the current road, one is a common asphalt road surface, and the other is a permeable road surface composed of permeable concrete precast blocks, in order to detect the runoff relationship between different road surfaces and the bioretention pond 9, the experimental apparatus of this embodiment may be formed by splicing hard impermeable and water impermeable aluminum-plastic plates, or may be a permeable road surface composed of permeable concrete precast blocks.
Referring to fig. 2, the bioretention pond 9 includes a water inlet pipe 901, a perforated drain pipe 902, a water outlet pipe 903, and an overflow pipe 904, the water inlet pipe 901 is communicated with a water receiving funnel 8 and is disposed above the bioretention pond 9, the perforated drain pipe 902 is buried in the bottom of the bioretention pond 9, the water outlet pipe 903 is communicated with the perforated drain pipe 902, the overflow pipe 904 is disposed at the top of the bioretention pond 9, the accumulated water on a simulated road 7 is discharged from the water receiving funnel 8 to the top of the bioretention pond 9, the rainwater flows into the perforated drain pipe 902 at the bottom of the bioretention pond 9 after being filtered by the bioretention pond 9 and is finally discharged from the water outlet pipe 903, and when the bioretention pond 9 is saturated or when the instantaneous water inflow is too large, the water flow is discharged from.
Specifically, in the experimental apparatus of the present embodiment, in order to detect the water discharge amount of the water pipe 903 and the overflow amount of the overflow pipe 904, an overflow pipe flowmeter 10 is provided at an outlet of the overflow pipe 904, and an outlet pipe flowmeter 11 is provided at an outlet of the outlet pipe 903.
Preferably, in order to monitor and compare the performance of the bioretention ponds 9 with various structures, a plurality of groups of bioretention ponds 9 are arranged in the embodiment, the water filtering structures in each group of bioretention ponds 9 are different, and the water inflow in each group of bioretention ponds 9 is the same under the same experimental conditions, so that the working performance of the bioretention ponds 9 with different structures can be compared.
Specifically, test plants 12 are planted on the bioretention pond 9, the survival growth condition of the test plants in the bioretention pond 9 is mainly observed, and then whether influence on plant growth exists on the filler layer structure of the bioretention pond 9 is checked.
The utility model discloses a test device, can simulate different rainfall intensity, different rainfall time, the real working property after simulation biological detention pond and the road surface combination, and through setting up the biological detention pond of multiunit, can monitor simultaneously and contrast the performance in multiple structure biological detention pond, can be to the detergency in the biological detention pond of multiple different structures, the vegetation condition carries out horizontal contrast, be convenient for adopt the experimental method of control variable method, carry out multiunit contrast experiment, and easy operation, the data that obtain are reliable, relevant basic research has important meaning to promoting sponge city construction.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (9)
1. The utility model provides a test device of simulation biological detention pond and road surface composite effect, its characterized in that, is including simulation precipitation device, simulation road, biological detention pond, simulation precipitation device is to the road surface of simulation road on the water spray, one side of simulation road sets up the mouth that converges, the below of mouth that converges sets up water receiving funnel, water receiving funnel with biological detention pond intercommunication.
2. The test device for simulating the combined effect of the bioretention pond and the pavement according to claim 1 wherein the simulated precipitation device comprises a water tank, a water pump, a water pipe and spray heads, wherein the water pump pumps water in the water tank into the water pipe, the water pipe is arranged above the simulated pavement, and the spray heads are arranged on the water pipe at intervals.
3. The test device for simulating the combined effect of the bioretention pond and the pavement according to claim 2 wherein the water pipe is provided with a control valve and a water pipe flow meter.
4. The test device for simulating the combined effect of the bioretention pond and the pavement according to claim 1 wherein the simulated pavement is formed by splicing hard and waterproof aluminum-plastic plates.
5. The test device for simulating the combined effect of a bioretention pond and a pavement according to claim 1 wherein the simulated road is a permeable pavement.
6. The testing device for simulating the combined effect of the bioretention pond and the road surface according to claim 1 wherein the bioretention pond comprises a water inlet pipe, a perforated water drain pipe, a water outlet pipe and an overflow pipe, wherein the water inlet pipe is communicated with a water receiving funnel and arranged above the bioretention pond, the perforated water drain pipe is buried at the bottom of the bioretention pond, the water outlet pipe is communicated with the perforated water drain pipe, and the overflow pipe is arranged at the top of the bioretention pond.
7. The device for simulating the combined effect of the bioretention pond and the pavement according to claim 6 wherein an overflow pipe flow meter is arranged at the outlet of the overflow pipe and an outlet pipe flow meter is arranged at the outlet of the outlet pipe.
8. The device for simulating the combined effect of bioretention ponds and pavements according to claim 1 including a plurality of groups of bioretention ponds, the water filtration structure in each group of bioretention ponds being different.
9. The device for simulating the combined effect of a bioretention pond and a roadway according to claim 1 wherein the bioretention pond is planted with test plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908490.6U CN211954232U (en) | 2020-05-26 | 2020-05-26 | Test device for simulating combined effect of biological retention tank and pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908490.6U CN211954232U (en) | 2020-05-26 | 2020-05-26 | Test device for simulating combined effect of biological retention tank and pavement |
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| Publication Number | Publication Date |
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| CN211954232U true CN211954232U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020908490.6U Active CN211954232U (en) | 2020-05-26 | 2020-05-26 | Test device for simulating combined effect of biological retention tank and pavement |
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| CN (1) | CN211954232U (en) |
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2020
- 2020-05-26 CN CN202020908490.6U patent/CN211954232U/en active Active
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