CN215483387U - Device and drainage system based on pipe culvert buffering regulation and storage - Google Patents
Device and drainage system based on pipe culvert buffering regulation and storage Download PDFInfo
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- CN215483387U CN215483387U CN202022327947.7U CN202022327947U CN215483387U CN 215483387 U CN215483387 U CN 215483387U CN 202022327947 U CN202022327947 U CN 202022327947U CN 215483387 U CN215483387 U CN 215483387U
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000001105 regulatory effect Effects 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 55
- 230000007547 defect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000008239 natural water Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The application provides a device and drainage system based on pipe culvert buffering regulation and storage, the device includes: the pipe culvert is arranged below the ground and positioned between the confluence pipe and the household pipes, the pipe culvert is provided with a water outlet and water inlets matched with the household pipes in number, and the pipe culvert is provided with a plurality of vent holes; the communication well is arranged between the confluence pipe and the pipe culvert, is communicated with the confluence pipe and is communicated with the pipe culvert through the water outlet; the first on-off switch is arranged at the connecting part of the water outlet or the confluence pipe and the communication well. The invention can realize the technical effect of regulating and storing the sewage when the sewage is not discharged, and meanwhile, the invention is directly improved on the basis of the existing confluence pipe network, adds the pipe culvert, and also reduces the technical defects of wide occupied area, deep excavation depth and high construction cost caused by regulating and storing by adding the buffer tank with large volume, and has the characteristics of low cost and wide applicability.
Description
Technical Field
The application relates to the technical field of drainage, especially, relate to a device and drainage system based on pipe culvert buffering regulation and storage.
Background
The urban pipe network is divided into a combined drainage system and a split drainage system, and is used for discharging sewage (such as domestic sewage) in a drainage unit, in the existing discharge process, the discharged sewage directly enters a combined trunk pipe and then is mixed with rainwater, if the mixed water of the rainwater and the sewage is directly discharged into a natural water body in rainy days, the received water body is very easy to cause serious pollution, if the mixed water is directly discharged into a sewage treatment facility for treatment, a large amount of clean rainwater in rainy days enters the sewage treatment facility for unnecessary treatment, and resource waste is caused.
Therefore, the structural design that sewage directly enters the confluence main pipe and is output in the prior art has the technical defects that the natural water body is extremely easy to seriously pollute in rainy days, or the sewage treatment facility has overlarge treatment pressure, resource waste and the like.
Disclosure of Invention
The application provides a device and drainage system based on pipe culvert buffering regulation and storage for solve among the prior art to the structural design that sewage directly gets into the confluence main pipe and carry out the output, exist and very easily cause the serious pollution of natural water when the rainy day, perhaps sewage treatment facility treatment pressure is too big, technical defect such as wasting of resources.
In order to solve the technical problem, in a first aspect, the present application provides a device for buffering and regulating storage based on pipe culvert, which is applied to a combined pipe network, wherein the combined pipe network comprises a plurality of household pipes of a combined pipe and a drainage unit, and the device comprises:
the pipe culvert is provided with a water outlet and water inlets matched with the number of the service pipes, the water inlets are used for being connected with the corresponding service pipes, and the pipe culvert is provided with a plurality of vent holes;
the communication well is used for communicating the confluence pipe and the pipe culvert and is provided with an inlet and an outlet, the inlet is communicated with the pipe culvert through the water outlet, and the outlet is used for being connected with the confluence pipe;
and the first on-off switch is arranged at the water outlet.
Optionally, the pipe culvert is arranged below the ground, and at least comprises a pipe network structure formed by any one of the following laying modes for increasing the laying length of the pipe culvert: the first paving mode of bending paving and/or the second paving mode of inclined paving.
Optionally, in the first laying mode, the bending laying includes bending a fold line or bending a curve.
Optionally, in the second laying mode, the second laying mode is inclined downwards relative to the ground in a direction from the end of the pipe culvert close to the upstream to the end of the pipe culvert close to the downstream.
Optionally, the top of the pipe culvert close to the ground is provided with a plurality of vent holes.
Optionally, the first on-off switch is any one of the following switches: air bags, air pillows, pinch valves or flexible shut-off devices.
Optionally, the height of the connection position of the water outlet and the communication well is equal to or higher than the height of the connection position of the confluence pipe and the communication well.
In a second aspect, the present application further provides a device for regulating storage based on pipe culvert buffering, the device comprising:
the pipe culvert is provided with a water outlet and a water inlet, a plurality of vent holes are formed in the pipe culvert, the water inlet is used for connecting a household pipe of the drainage unit, and the water outlet is used for connecting a confluence pipe;
the communication well is communicated with the pipe culvert through the water outlet;
and the first on-off switch is arranged at the water outlet or the connecting part of the communication well and the downstream pipeline.
In a third aspect, the present application also provides a drain apparatus comprising:
one or more of the above-described drainage devices.
In a fourth aspect, the present application further provides a drainage system comprising:
a device as in any one of the above;
the rainfall meter is used for monitoring rainfall signals;
the controller is connected with the first on-off switch and the rain gauge and controls the first on-off switch to act according to the rainfall signal monitored by the rain gauge, so that the controller controls the pipe culvert in the device to store water when the rainfall reaches a set threshold value, and the controller controls the pipe culvert in the device to drain water when the rainfall does not reach the set threshold value.
In a fifth aspect, the present application further provides a device based on pipe culvert buffering regulation and storage, is applied to the confluence tubulation net, a plurality of service pipe that the confluence tubulation net includes confluence pipe and drainage unit, the device includes:
the pipe culvert is provided with water outlets and water inlets matched with the number of the service pipes, and the water inlets are used for being connected with the corresponding service pipes;
the communication well is used for communicating the confluence pipe and the pipe culvert and is provided with an inlet and a communication outlet, the inlet is communicated with the pipe culvert through the water outlet, and the outlet is used for being connected with the confluence pipe;
and the first on-off switch is arranged at the communication outlet of the communication well.
According to the technical scheme, the method has the following advantages:
firstly, when the sewage needs to be regulated and stored in rainy days, the first on-off switch is in a closed state, and the sewage flowing into the pipe culvert from the water inlet is regulated and stored in the pipe culvert; when the rainfall is finished, the first on-off switch is in an open state, and sewage in the pipe culvert is discharged to the downstream confluence pipe through the water outlet, so that the technical defects that the discharged sewage directly enters the confluence main pipe from the confluence pipe and is output in the prior art, namely the serious pollution of natural water is easily caused in rainy days, or the treatment pressure of a sewage treatment facility is overlarge, the resource waste and the like are effectively overcome, the technical effect of regulating and storing the sewage when the sewage discharge is not needed can be achieved, and the device has the characteristics of simple structure, convenience in operation and wide applicability;
the device based on the pipe culvert buffering and regulation improves the space of sewage buffering and regulation by utilizing the length of the pipe culvert, and reduces the technical defects of wide occupied area, deep excavation depth and high construction cost caused by regulating and storing by additionally arranging a buffer tank; simultaneously, when discharging the sewage in the pipe culvert, actually also be the process that washes the pipe culvert, can avoid the siltation of pipe culvert bottom like this, reduce the maintenance in later stage.
The pipe culvert buffering and regulating device provided by the invention is applied to the drainage unit of a confluence system cell, and based on the confluence system pipe network of the current situation, the function of buffering and regulating sewage can be realized only by additionally arranging the pipe culvert between the existing confluence pipe and the service pipe, the existing confluence pipe network does not need to be changed, and the transformation cost is extremely low.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic overall structural diagram of a pipe culvert buffering and storage based device applied to a drainage unit according to an embodiment of the present disclosure;
FIG. 2 is a first structural diagram of a pipe culvert;
fig. 3 is a structural schematic diagram of a pipe culvert.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification are within the protection scope of the present invention; the "and/or" keyword referred to in this embodiment means sum or two cases, in other words, a and/or B mentioned in the embodiments of this specification means two cases of a and B, A or B, and describes three states where a and B exist, such as a and/or B, and means: only A does not include B; only B does not include A; including A and B.
Meanwhile, in the embodiments of the present description, when an element is referred to as being "fixed to" another element, it may be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical", "horizontal", "left", "right" and the like used in the embodiments of the present specification are for illustrative purposes only and are not intended to limit the present invention.
First, before describing the present application, terms referred to in the present application will be explained.
The drainage unit can be understood as a district, a residential building, a school, an office building and the like.
The following specifically describes the pipe culvert buffering and storage based device, the drainage equipment and the drainage system provided by the present application.
Example one
Referring to fig. 1 to 3, an embodiment of the present application provides a device for buffering and regulating storage based on pipe culvert, which is applied to a combined pipe network, where the combined pipe network includes a combined pipe 1 and a household pipe 2 of a drainage unit, and the device specifically includes: a pipe culvert 3, a manhole 4 and a first on-off switch 5. The pipe culvert 3 is arranged below the ground and positioned between the confluence pipe 1 and the service pipe 2, the pipe culvert 3 is provided with water inlets 32 and water outlets 31 which are the same as the service pipes 2 in number, each water inlet 32 is correspondingly connected with one service pipe 2, and the water outlet 31 is connected with the inspection well 4 and is connected with the confluence pipe 1 through the inspection well 4; the pipe culvert 3 is arranged below the ground and is transversely paved relative to the ground, and the first on-off switch 5 is arranged at the water outlet 31 or the position of the water inlet pipe orifice of the confluence pipe 1; the height of the connecting part of the water outlet 31 and the communication well 4 is equal to or higher than that of the connecting part of the confluence pipe 1 and the communication well 4.
Specifically, the confluence pipe 1 and the household pipe 2 are existing pipe culverts in the existing confluence pipe network, wherein the household pipe 2 is a pipe culvert used for sewage discharge of residents or users in the unit area in the drainage unit, and the confluence pipe 1 is a pipeline used for collecting sewage discharged by the household pipe 2 in the unit area, so that the embodiment of the application can be understood that the pipe culvert 3 is directly additionally arranged in the existing confluence pipe network, the pipe culvert 3 is arranged between the confluence pipe 1 and the household pipe 2, and at least one water inlet 32 is arranged on the pipe culvert 3, so that when the sewage needs to be regulated and stored in rainy days, the first on-off switch is in a closed state, and at the moment, the sewage flowing into the pipe culvert 3 from the water inlet 32 is regulated and stored in the pipe culvert 3; when the rainfall is finished, the first on-off switch 5 is in an open state, at the moment, sewage in the pipe culvert 3 is discharged to the confluence pipe 1 through the manhole 4 by the water outlet 31 and finally converged to the confluence main pipe by the confluence pipe 1, the technical defects that the discharged sewage directly enters the confluence main pipe from the confluence pipe 1 to be output in the structural design in the prior art, namely, the serious pollution of natural water is easily caused in rainy days, or the treatment pressure of a sewage treatment facility is overlarge, the resource waste and the like are effectively overcome, the technical effect of regulating and storing the sewage when the sewage discharge is not needed can be achieved, and the rainfall-free rainfall-type combined pipe has the characteristics of simple structure, convenience in operation and wide applicability.
The pipe culvert 3 is transversely paved below the ground, so that the space for buffering and regulating sewage is increased by utilizing the length of the pipe culvert 3, and the technical defects of wide occupied area, deep excavation depth and high construction cost caused by regulating and storing by additionally arranging a buffer tank are reduced; simultaneously, when discharging the sewage in the pipe culvert 3, actually also be the process of washing the pipe culvert 3, can avoid the siltation of buffer tube bottom like this, reduce the maintenance in later stage.
In addition, as mentioned above, the confluence pipe 1 and the service pipe 2 are the existing pipe culvert in the existing confluence pipe network, wherein the service pipe 2 is the pipe culvert used for sewage discharge of residents or users in the unit area in the drainage unit, and the confluence pipe 1 is the pipe culvert used for converging the sewage discharged by the service pipe 2 in the unit area, so that when the embodiment of the application is applied to the drainage unit of the confluence district, based on the existing confluence pipe network, the function of sewage buffering and regulation can be realized only by additionally arranging the pipe culvert 3 between the existing confluence pipe 1 and the service pipe 3, the existing confluence pipe network does not need to be changed, and the transformation cost is extremely low.
Further, in this application embodiment, for the pipe culvert 3, when each pipe culvert 3 is laid transversely relative to the ground, those skilled in the art can understand that when the laying length of the pipe culvert 3 increases, it is obvious that the water storage capacity of the pipe culvert 3 also increases, so in order to be able to improve the laying length of the pipe culvert 3, the pipe culvert 3 in this application embodiment can be laid by any one of the following laying methods for increasing the laying length of the pipe culvert 3: the first paving mode of transverse bending paving and/or the second paving mode of transverse inclined paving. That is to say, what the pipe culvert 3 after the completion of laying formed in the embodiment of this application is a pipe network structure that transversely distributes to store and regulate the sewage through the intraductal space in this pipe network structure.
As a first laying mode of the pipe culvert 3, the first folding laying mode may be a fold line folding or a curve folding, or may be a fold line folding and a curve folding, and it is understood that the fold line folding refers to an angular bending at an inflection point, such as an acute angle, an obtuse angle or a right angle. Curved bends are curves, such as arcs, at points of inflection.
As pipe culvert 3's laying mode two, can lay pipe culvert 3 through the mode of slope laying, that is to say, in the pipe network structure after laying the completion, from pipe culvert 3 is close to the one end on upper reaches, in the direction of the other end of pipe culvert 3, be for the ground downward sloping, can realize like this when needs discharge, this moment because pipe culvert 3 is close to the one end on upper reaches, downward sloping in the direction of the other end of pipe culvert 3, can make things convenient for pipe culvert 3's sewage to flow downstream automatically under self action of gravity, reach the technological effect to the sewage complete evacuation in the pipe culvert 3.
Further, a plurality of air vent 33 has been seted up in the direction that pipe culvert 3 is close to ground in this application embodiment, can understand, when the rainy day needs to carry out regulation to sewage, first on-off switch 5 closes this moment, in the sewage that is discharged by the pipe culvert of giving one's residence flows in pipe culvert 3 in succession, and begins air vent 33 on pipe culvert 3, can keep the inside atmospheric pressure of pipe culvert and external atmospheric pressure to communicate with each other in real time to make the sewage that the pipe culvert of giving one's residence discharges can flow in the pipe culvert smoothly.
In the embodiment of the present application, the first on-off switch 5 may be any one of the following switches: the person skilled in the art can understand that, in the embodiment of the present application, the first on-off switch 5 is a switch for controlling the circulation of the sewage at the water outlet 31, so that at least the on-off of the water outlet 31 is realized, and the present invention is applicable to the air bag, the air pillow, the pipe clamp valve or the flexible cut-off device.
Example two
The second embodiment of the present application further provides a drainage device, and it can be understood that, based on the first embodiment of the present application, the second embodiment of the present application further includes a rain gauge and a controller, the rain gauge is in signal connection with the controller and is used for monitoring a rainfall signal, and the controller is used for controlling the action of the first on-off switch according to the rainfall signal. As a control manner of the controller, it may be: when a clear day signal is monitored, controlling a first on-off switch to be turned on, and enabling the dirty water on a clear day to sequentially flow through a household outlet pipe, a pipe culvert, an inspection well and a confluence pipe; when a signal in rainy days is monitored, the first on-off switch is controlled to be closed, and at the moment, sewage flowing in from the water inlet is stored in the pipe culvert. And when a clear signal is monitored, the first on-off switch is controlled to be turned on, and at the moment, the sewage stored in the pipe culvert flows into the confluence pipe after flowing into the maintenance well again, so that the circulation operation is carried out.
Those skilled in the art will understand that the control manner of the controller is only an exemplary control manner of the second embodiment, and is not limited thereto, and those skilled in the art can make adaptive adjustment or modification to the control manner according to the actual working condition, and this embodiment is not limited thereto, and it is understood that the control manner is still within the scope of the application and protection of the present application.
EXAMPLE III
Referring to fig. 1, a third embodiment of the present application further provides a drainage system, and compared with the first or second embodiment, a plurality of drainage units may exist in the third embodiment, that is, the drainage system includes a plurality of apparatuses described in the first embodiment or apparatuses described in the second embodiment; each device or equipment is arranged between the household pipe and the junction pipe of the corresponding drainage unit, and the technical effect of drainage of combined operation of a plurality of drainage units is achieved.
In summary, the device for buffering and regulating storage based on pipe culvert provided by the invention has the beneficial effects that at least:
firstly, when the sewage needs to be regulated and stored in rainy days, the first on-off switch is in a closed state, and the sewage flowing into the pipe culvert from the water inlet is regulated and stored in the pipe culvert; when the rainfall is finished, the first on-off switch is in an open state, and sewage in the pipe culvert is discharged to the downstream confluence pipe through the water outlet, so that the technical defects that the discharged sewage directly enters the confluence main pipe from the confluence pipe and is output in the prior art, namely the serious pollution of natural water is easily caused in rainy days, or the treatment pressure of a sewage treatment facility is overlarge, the resource waste and the like are effectively overcome, the technical effect of regulating and storing the sewage when the sewage discharge is not needed can be achieved, and the device has the characteristics of simple structure, convenience in operation and wide applicability;
the device based on the pipe culvert buffering and regulation improves the space of sewage buffering and regulation by utilizing the length of the pipe culvert, and reduces the technical defects of wide occupied area, deep excavation depth and high construction cost caused by regulating and storing by additionally arranging a buffer tank; simultaneously, when discharging the sewage in the pipe culvert, actually also be the process that washes the pipe culvert, can avoid the siltation of pipe culvert bottom like this, reduce the maintenance in later stage.
The pipe culvert buffering and regulating device provided by the invention is applied to the drainage unit of a confluence system cell, and based on the confluence system pipe network of the current situation, the function of buffering and regulating sewage can be realized only by additionally arranging the pipe culvert between the existing confluence pipe and the service pipe, the existing confluence pipe network does not need to be changed, and the transformation cost is extremely low.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (11)
1. The utility model provides a device based on pipe culvert buffering regulation is applied to confluence tubulation net, a plurality of pipe of going out to the house (2) that confluence tubulation net includes confluence pipe (1) and drainage unit, its characterized in that, the device includes:
the pipe culvert (3) is provided with water outlets (31) and water inlets (32) matched with the number of the service pipes (2), the water inlets (32) are used for being connected with the corresponding service pipes (2), and a plurality of vent holes (33) are formed in the pipe culvert (3);
the communication well (4) is used for communicating the confluence pipe (1) and the pipe culvert (3), is provided with an inlet and an outlet, the inlet is communicated with the pipe culvert (3) through the water outlet (31), and the outlet is used for being connected with the confluence pipe (1);
a first on-off switch (5) disposed at the water outlet (31).
2. The pipe culvert buffering storage regulating device according to claim 1, wherein:
the pipe culvert (3) is arranged below the ground and at least comprises a pipe network structure formed by any one of the following laying modes for lifting the laying length of the pipe culvert (3): the first paving mode of bending paving and/or the second paving mode of inclined paving.
3. The pipe culvert buffering storage regulating device according to claim 2, wherein:
in the first laying mode, the bending laying includes fold line bending or curve bending.
4. The pipe culvert buffering storage regulating device according to claim 2, wherein:
in the second laying mode, the direction from one end of the pipe culvert (3) close to the upstream to one end of the pipe culvert (3) close to the downstream is inclined downwards relative to the ground.
5. The pipe culvert buffering storage regulating device according to claim 3 or 4, wherein:
the top of the pipe culvert (3) close to the ground is provided with a plurality of vent holes (33).
6. The pipe culvert buffering storage regulating apparatus of any one of claims 1-4, wherein:
the first on-off switch (5) is any one of the following switches: air bags, air pillows, pinch valves or flexible shut-off devices.
7. The pipe culvert buffering storage regulating apparatus of any one of claims 1-4, wherein:
the height of the connecting part of the water outlet (31) and the communicating well (4) is equal to or higher than the height of the connecting part of the confluence pipe (1) and the communicating well (4).
8. A device based on pipe culvert buffering regulation, its characterized in that, the device includes:
the pipe culvert (3) is provided with a water outlet and a water inlet, the pipe culvert (3) is provided with a plurality of vent holes (33), the water inlet is used for connecting a service pipe (2) of the drainage unit, and the water outlet is used for connecting a confluence pipe;
the communication well (4) is communicated with the pipe culvert (3) through the water outlet (31);
and the first on-off switch (5) is arranged at the connecting part of the water outlet (31) or the communication well (4) and the downstream pipeline.
9. A drainage system, characterized in that the drainage system comprises:
a drainage apparatus as claimed in any one of claims 1 to 7.
10. A drainage system, characterized in that the drainage system comprises:
the device of any one of claims 1-7;
the rainfall meter is used for monitoring rainfall signals;
the controller is connected with the first on-off switch and the rain gauge and controls the first on-off switch to act according to the rainfall signal monitored by the rain gauge, so that the controller controls the pipe culvert in the device to store water when the rainfall reaches a set threshold value, and the controller controls the pipe culvert in the device to drain water when the rainfall does not reach the set threshold value.
11. The utility model provides a device based on pipe culvert buffering regulation is applied to confluence tubulation net, a plurality of pipe of going out to the house (2) that confluence tubulation net includes confluence pipe (1) and drainage unit, its characterized in that, the device includes:
the pipe culvert (3) is provided with water outlets (31) and water inlets (32) which are matched with the number of the service pipes (2), and the water inlets (32) are used for being connected with the corresponding service pipes (2);
the communication well (4) is used for communicating the confluence pipe (1) and the pipe culvert (3), is provided with an inlet and a communication outlet, the inlet is communicated with the pipe culvert (3) through the water outlet (31), and the outlet is used for being connected with the confluence pipe (1);
and the first on-off switch (5) is arranged at a communication outlet of the communication well (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327947.7U CN215483387U (en) | 2020-10-19 | 2020-10-19 | Device and drainage system based on pipe culvert buffering regulation and storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327947.7U CN215483387U (en) | 2020-10-19 | 2020-10-19 | Device and drainage system based on pipe culvert buffering regulation and storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215483387U true CN215483387U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327947.7U Expired - Fee Related CN215483387U (en) | 2020-10-19 | 2020-10-19 | Device and drainage system based on pipe culvert buffering regulation and storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215483387U (en) |
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2020
- 2020-10-19 CN CN202022327947.7U patent/CN215483387U/en not_active Expired - Fee Related
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Granted publication date: 20220111 |