CN219715165U - Simulation device suitable for flood discharge atomization high-speed water flow aeration experiment - Google Patents
Simulation device suitable for flood discharge atomization high-speed water flow aeration experiment Download PDFInfo
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- CN219715165U CN219715165U CN202222780837.5U CN202222780837U CN219715165U CN 219715165 U CN219715165 U CN 219715165U CN 202222780837 U CN202222780837 U CN 202222780837U CN 219715165 U CN219715165 U CN 219715165U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 318
- 238000005273 aeration Methods 0.000 title claims abstract description 102
- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 238000000889 atomisation Methods 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 10
- 239000008400 supply water Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 239000010902 straw Substances 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a simulation device suitable for a flood discharge atomization high-speed water flow aeration experiment, which comprises a water supply circulation system, an on-off control system and an aeration system, wherein the water supply circulation system comprises a water supply system and a water return system, and the aeration system comprises an aeration generating device and an aeration collecting device; the water outlet end of the water supply system is connected with the water inlet end of the aeration generating device, the water outlet end of the aeration generating device is connected with the water inlet end of the aeration collecting device, the water outlet end of the aeration collecting device is connected with the water inlet end of the water return system, and the water outlet end of the water return system is connected with the water inlet end of the water supply system; the on-off control system is respectively and electrically connected with the water supply system and the water return system, and can control the aeration amount in a certain time to simulate aeration under different conditions and improve the utilization rate of water.
Description
Technical Field
The utility model relates to the technical field of water conservancy experiment simulation devices, in particular to a simulation device suitable for a flood discharge atomization high-speed water flow aeration experiment.
Background
The hydropower stations with high water heads, large flow and high flow speed are increasingly used, flood discharge and atomization problems caused by high-speed water flow are also increasingly outstanding, and great threat is caused to the safety operation of the dam. High-speed water flow aeration is an important reason for causing flood discharge atomization, so in order to solve the problem of flood discharge atomization, the aeration process of the high-speed water flow and the influence factors thereof need to be studied.
One important method for studying the aeration problem is a model experiment, through which the aeration process can be intuitively observed, helping to analyze the main factors affecting aeration.
The existing aeration simulation device has the following problems: most of the method is only suitable for researching the aeration process of the pressureless flow state, and the aeration condition of the pressureless flow state of the spillway tunnel and the like is difficult to analyze; secondly, the water utilization is not sufficient.
Disclosure of Invention
The utility model aims to overcome the defects and provide the simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment, the on-off control system is used for controlling the flow speed and the flow time of circulating water, and the aeration condition is controlled by combining the aeration generating device, so that the aeration conditions under a plurality of conditions, including the aeration condition under the pressure flow state, can be simulated, and the utilization rate of water is improved by circulating water supply.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment comprises a water supply circulation system, an on-off control system and an aeration system, wherein the water supply circulation system comprises a water supply system and a water return system, and the aeration system comprises an aeration generating device and an aeration collecting device;
the water outlet end of the water supply system is connected with the water inlet end of the aeration generating device, the water outlet end of the aeration generating device is connected with the water inlet end of the aeration collecting device, the water outlet end of the aeration collecting device is connected with the water inlet end of the water return system, and the water outlet end of the water return system is connected with the water inlet end of the water supply system;
the start-stop control system is respectively and electrically connected with the water supply system and the water return system.
Preferably, the water supply system comprises a water supply tank, the water outlet end of the water supply tank is connected with the water inlet end of a small direct current water supply pump in a sealing way through a water supply pipe, the water outlet end of the water supply pump is connected with the water inlet end of the aeration generating device in a sealing way through the water supply pipe, and the water supply pump is electrically connected with the on-off control system.
More preferably, the aeration generating device comprises a transparent plastic PVC water pipe, wherein the water inlet end of the transparent plastic PVC water pipe is in sealing connection with the water inlet end of the water supply pump through a water supply pipe, the water outlet end of the transparent plastic PVC water pipe is connected with the aeration collecting device, and a replaceable aeration suction pipe is inserted on the transparent plastic PVC water pipe in a radial vertical intersection manner.
Further, the joint of the air-entraining suction pipe and the transparent plastic PVC water pipe is sealed by waterproof sealant.
More preferably, the aeration collecting device comprises an exhaust water tank, an exhaust pipe is vertically arranged in the exhaust water tank, a water inlet end is arranged at the bottom of the exhaust pipe, a self-made pipe cover is detachably embedded at the water inlet end of the exhaust pipe, the water outlet end of the transparent plastic PVC water pipe is detachably embedded in the self-made pipe cover and communicated with the exhaust pipe, a ball valve and a reading scale are arranged on the exhaust pipe, and the water outlet end of the exhaust water tank is communicated with the water inlet end of the water supply water tank through a water return system.
More preferably, the water return system comprises a small-sized direct-current water return pump, the water inlet end of the water return pump is connected with a water return pipe, the water inlet end of the water return pump is connected with the water outlet end of the exhaust water tank through the water return pipe, the water outlet end of the water return pump is connected with the water inlet end of the water supply water tank through the water return pipe, a partition plate for dividing the water supply water tank into U shapes is arranged in the water supply water tank, and the water return pump is electrically connected with the opening and closing control system.
Further, the self-made pipe cover at least comprises two types, wherein a placing hole for installing the transparent plastic PVC water pipe is formed in the middle of one self-made pipe cover, and a placing hole is not formed in the middle of the other self-made pipe cover.
More preferably, the on-off control system comprises a time relay, wherein the time relay is respectively and electrically connected with a computer and a double-circuit voltage-stabilizing direct current power supply, and the double-circuit voltage-stabilizing direct current power supply is respectively and electrically connected with the water supply pump and the backwater pump through power lines.
The utility model has the beneficial effects that:
the device can control the on-off and timing of the water pump through a time relay in the on-off control system, measure the aeration amount in a certain time, visually evaluate the aeration effect, adjust the voltage of the water pump by a two-way voltage-stabilizing direct current power supply in the on-off control system so as to adjust the flow rate of water in the transparent plastic PVC water pipe, or control the condition of an aeration generating device, such as changing aeration straws with different radiuses, adjusting the depth of the aeration straws inserted into the transparent plastic PVC water pipe, so as to simulate aeration under different conditions, and analyze the influence degree of different factors on the aeration;
the water recycling system can automatically realize water recycling, so that the simplicity of experiments can be improved, and the water utilization rate can be improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of an aeration system and an exhaust pipe of the present utility model;
in the figure: 1. a water supply tank; 101. a partition plate; 2. a water supply pipe; 3. a water supply pump; 4. a transparent plastic PVC water pipe; 5. an air-mixing straw; 6. an exhaust pipe; 601. self-made pipe cover; 602. a ball valve; 7. an exhaust water tank; 8. a backwater pipe; 9. a backwater water pump; 10. a two-way voltage-stabilizing DC power supply; 11. a time relay; 12. and a computer.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1, as a preferred embodiment 1, a simulation device suitable for a flood discharge atomization high-speed water flow aeration experiment includes a water supply circulation system, an on-off control system and an aeration system, wherein the water supply circulation system includes a water supply system and a water return system, and the aeration system includes an aeration generating device and an aeration collecting device;
the water outlet end of the water supply system is connected with the water inlet end of the aeration generating device, the water outlet end of the aeration generating device is connected with the water inlet end of the aeration collecting device, the water outlet end of the aeration collecting device is connected with the water inlet end of the water return system, and the water outlet end of the water return system is connected with the water inlet end of the water supply system;
the start-stop control system is respectively and electrically connected with the water supply system and the water return system.
In the embodiment, the device supplies water through the water supply system, the aeration condition is simulated by using the aeration generating device, the aeration effect and the influence degree are observed by using the aeration collecting device, the aeration process under the pressurized flow state is simulated, meanwhile, the water return system is utilized, the water circulation is practical, the water consumption in the experimental simulation process is saved, the water return system and the water pump of the water supply system can be controlled by utilizing the start-stop control system, the use is convenient, and the simulation range is increased.
As a preferred embodiment 2, the water supply system includes a water supply tank 1, the water outlet end of the water supply tank 1 is connected with the water inlet end of a small-sized direct current water supply pump 3 through a water supply pipe 2 in a sealing manner, the water outlet end of the water supply pump 3 is connected with the water inlet end of an aeration generating device through the water supply pipe 2 in a sealing manner, water flows from the water supply tank 1 into the aeration generating device through the water supply pipe 3 under the action of the water supply pump 3, and the water supply pump 3 is electrically connected with an on-off control system, so that simulation and operation are convenient to control.
As a more preferable embodiment 3, the aeration generating device includes a transparent plastic PVC water pipe 4, the water inlet end of the transparent plastic PVC water pipe 4 is connected with the water inlet end of the water supply pump 3 through the water supply pipe 2 in a sealing manner, the water outlet end of the transparent plastic PVC water pipe 4 is connected with the aeration collecting device, a replaceable aeration straw 5 is inserted on the transparent plastic PVC water pipe 4 in a radial vertical intersecting manner, the aeration straw 5 is communicated with the transparent plastic PVC water pipe 4, different aeration conditions can be simulated by changing the thickness and the insertion depth of the aeration straw 5, and when water passes through the transparent plastic PVC water pipe 4, forced aeration is generated due to the change of the aeration straw 5 to the water flow path.
As a more preferable embodiment 4, the joint of the air-entraining suction pipe 5 and the transparent plastic PVC water pipe 4 is sealed by waterproof sealant, so as to ensure the sealing connection of the joint.
As shown in fig. 1 and 2, as a more preferred embodiment 5, the aeration collecting device includes an exhaust water tank, an exhaust pipe 6 is vertically disposed in the exhaust water tank, a water inlet end is disposed at the bottom of the exhaust pipe 6, a self-made pipe cover 601 is detachably embedded at the water inlet end of the exhaust pipe 6, a water outlet end of a transparent plastic PVC water pipe 4 is detachably embedded in the self-made pipe cover 601 and is communicated with the exhaust pipe 6, a ball valve 602 and a reading scale are disposed on the exhaust pipe 6, the ball valve 602 can seal the exhaust pipe 6 after water and exhaust is performed on the exhaust pipe 6, and a reading scale is disposed to enable the air mixing amount after aeration to be measured, and the water outlet end of the exhaust water tank is communicated with the water inlet end of the water supply water tank 1 through a water return system.
As a more preferable embodiment 6, the water return system comprises a small-sized direct-current water return pump 9, the water inlet end of the water return pump 9 is connected with a water return pipe 8, the water inlet end of the water return pump 9 is connected with the water outlet end of the exhaust water tank through the water return pipe 8, the water outlet end of the water return pump 9 is connected with the water inlet end of the water supply tank 1 through the water return pipe 8, water flows from the aeration water tank 7 into the water supply tank 1 through the effect of the water return pump 9, a partition plate 101 for dividing the water supply tank 1 into U shapes is arranged in the water supply tank 1, the water supply pipe 2 is separated from the water return pipe 8 through the partition plate 101, bubbles generated during water return are prevented from entering the water supply pipe 2, and the water return pump 9 is electrically connected with the on-off control system, so that the water supply tank is convenient to control.
As a more preferable embodiment 7, the self-made pipe cover 601 includes at least two kinds, wherein a placement hole for installing the transparent plastic PVC water pipe 4 is provided in the middle of one self-made pipe cover 601, and a placement hole is not provided in the middle of the other self-made pipe cover 601, so that the transparent plastic PVC water pipe 4 is inserted into the exhaust pipe 6.
As a more preferred embodiment 8, the on-off control system includes a time relay 11, the time relay 11 is electrically connected with a computer 12 and a two-way regulated dc power supply 10, the two-way regulated dc power supply 10 is electrically connected with the water supply pump 3 and the backwater pump 9 through power lines, the two-way regulated dc power supply 10 can provide direct current required by the water supply pump 3 and the backwater pump 9, and can control and stabilize the voltage of the water supply pump 3 and the backwater pump 9, and the computer 12 can utilize the time relay 11 to start and turn off the water pump regularly. As a more preferable embodiment, the time relay 11 can be an RS485 double serial port eight-way time relay of poly-English electronics.
The working principle of the utility model is as follows:
1. before the experiment, the ball valve 602 is opened, the self-made pipe cover 601 without a hole in the middle is embedded into the lower port of the exhaust pipe 6, water is added into the exhaust pipe 6 from the upper port of the exhaust pipe 6, the ball valve 602 is closed after the water level exceeds the ball valve 602, then the self-made pipe cover 601 without a hole in the middle is taken out, and the self-made pipe cover 601 with a placing hole in the middle is replaced.
2. Before the experiment, the air-entraining suction pipe 5 is inserted into the transparent plastic PVC water pipe 4, one end of the transparent plastic PVC water pipe 4 is connected with the water supply water pipe 2, the other end of the transparent plastic PVC water pipe 4 is inserted into water, the air-entraining suction pipe 5 is plugged by a small wood plug, the water supply water pump 3 is opened through the computer 12 to exhaust the water pipe until no bubble is generated, the transparent plastic PVC water pipe 4 is inserted into the exhaust pipe 6 through the self-made pipe cover 601 with a placing hole, the small wood plug is pulled out, all parts in the communication device are communicated, and the voltage at the two ends of the water supply water pump 3 and the water return water pump 9 is regulated through the two-way voltage-stabilizing direct current power supply 10.
3. In the experiment, the time of timing closing is set on the computer 12, the water supply pump 3 and the backwater pump 9 are opened, the water supply pump 3 and the backwater pump 9 are closed at timing, and the reading is recorded after the water column in the exhaust pipe 6 is highly stable.
4. The voltage at two ends of the water pump is changed, or the insertion depth of the aeration water pipe is adjusted, or the aeration water pipes with different radiuses are used, and the experiment is repeated so as to simulate the aeration process under different conditions, and meanwhile, the influence degree of different factors on the aeration can be analyzed.
Claims (8)
1. The simulator suitable for the flood discharge atomization high-speed water flow aeration experiment comprises a water supply circulation system, an on-off control system and an aeration system, and is characterized in that,
the water supply circulation system comprises a water supply system and a water return system, and the aeration system comprises an aeration generating device and an aeration collecting device;
the water outlet end of the water supply system is connected with the water inlet end of the aeration generating device, the water outlet end of the aeration generating device is connected with the water inlet end of the aeration collecting device, the water outlet end of the aeration collecting device is connected with the water inlet end of the water return system, and the water outlet end of the water return system is connected with the water inlet end of the water supply system;
the start-stop control system is respectively and electrically connected with the water supply system and the water return system.
2. The simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment according to claim 1, wherein the water supply system comprises a water supply tank (1), a water outlet end of the water supply tank (1) is connected with a water inlet end of a small direct-current water supply pump (3) in a sealing manner through a water supply pipe (2), a water outlet end of the water supply pump (3) is connected with a water inlet end of an aeration generation device in a sealing manner through the water supply pipe (2), and the water supply pump (3) is electrically connected with an on-off control system.
3. The simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment according to claim 2, wherein the aeration generation device comprises a transparent plastic PVC water pipe (4), the water inlet end of the transparent plastic PVC water pipe (4) is in sealing connection with the water inlet end of a water supply pump (3) through a water supply pipe (2), the water outlet end of the transparent plastic PVC water pipe (4) is connected with an aeration collection device, and a replaceable aeration suction pipe (5) is inserted on the transparent plastic PVC water pipe (4) in a radial vertical intersection manner.
4. A simulation device suitable for a flood discharge atomization high-speed water flow aeration experiment according to claim 3, wherein the joint of the aeration suction pipe (5) and the transparent plastic PVC water pipe (4) is sealed by waterproof sealant.
5. A simulation device suitable for flood discharge atomizing high-speed rivers aeration experiments according to claim 3, characterized in that, aeration collection device includes exhaust water tank (7), be equipped with blast pipe (6) in exhaust water tank (7) vertically, the bottom of blast pipe (6) is equipped with into water end, and blast pipe (6) water end department detachably inlays and has self-made tube cover (601), and the play water end detachably of transparent plastics PVC water pipe (4) inlays and establishes in self-made tube cover (601) and communicate with blast pipe (6), is equipped with ball valve (602) and reading scale on blast pipe (6), the play water end of exhaust water tank (7) is through return water system and the water end intercommunication of intaking of water tank (1).
6. The simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment according to claim 5, wherein the water return system comprises a small direct-current water return pump (9), the water inlet end of the water return pump (9) is connected with a water return pipe (8), the water inlet end of the water return pump (9) is connected with the water outlet end of the exhaust water tank (7) through the water return pipe (8), the water outlet end of the water return pump (9) is connected with the water inlet end of the water supply water tank (1) through the water return pipe (8), a partition plate (101) for dividing the water return pump into a U shape is arranged in the water supply water tank (1), and the water return pump (9) is electrically connected with the start-stop control system.
7. The simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment according to claim 6, wherein the self-made pipe cover (601) at least comprises two types, a placing hole for installing the transparent plastic PVC water pipe (4) is formed in the middle of one self-made pipe cover (601), and a placing hole is not formed in the middle of the other self-made pipe cover (601).
8. The simulation device suitable for the flood discharge atomization high-speed water flow aeration experiment according to any one of claims 1, 2 and 6, wherein the on-off control system comprises a time relay (11), the time relay (11) is respectively and electrically connected with a computer (12) and a double-circuit voltage-stabilizing direct-current power supply (10), and the double-circuit voltage-stabilizing direct-current power supply (10) is respectively and electrically connected with a water supply pump (3) and a backwater pump (9) through power lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222780837.5U CN219715165U (en) | 2022-10-21 | 2022-10-21 | Simulation device suitable for flood discharge atomization high-speed water flow aeration experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222780837.5U CN219715165U (en) | 2022-10-21 | 2022-10-21 | Simulation device suitable for flood discharge atomization high-speed water flow aeration experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715165U true CN219715165U (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222780837.5U Active CN219715165U (en) | 2022-10-21 | 2022-10-21 | Simulation device suitable for flood discharge atomization high-speed water flow aeration experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715165U (en) |
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2022
- 2022-10-21 CN CN202222780837.5U patent/CN219715165U/en active Active
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