CN213014604U - Profound engineering water collecting device - Google Patents
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- CN213014604U CN213014604U CN202021756736.9U CN202021756736U CN213014604U CN 213014604 U CN213014604 U CN 213014604U CN 202021756736 U CN202021756736 U CN 202021756736U CN 213014604 U CN213014604 U CN 213014604U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 230000007704 transition Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The application discloses profound engineering water-collecting device, interval connection are in regulation pump station's profound tunnel catchment and are responsible for on, the device includes: the spiral water collecting vertical shaft is of an inverted T-shaped three-way structure, two ends of the lower part of the spiral water collecting vertical shaft are provided with trunk line interfaces positioned on the same axis and used for being connected with the deep tunnel water collecting main pipe, the upper part of the spiral water collecting vertical shaft is a branch converging end, and a spiral guide plate is arranged in the branch converging end; the pre-swirl joints are arranged on the upper parts of the branch converging ends of the spiral water collecting vertical shafts in a staggered manner from top to bottom, and the side surfaces of the branch converging ends of the spiral water collecting vertical shafts are provided with converging ports connected with one ends of the pre-swirl joints; the water collecting branch pipes correspond to the pre-cyclone joints one by one, one ends of the water collecting branch pipes are fixedly connected with the other ends of the pre-cyclone joints, and the other ends of the water collecting branch pipes are communicated with the ground confluence device; the filtering mechanism is used for filtering gas escaping from the spiral water collecting vertical shaft; the gas guide mechanism is used for guiding the gas filtered by the filtering mechanism to be discharged outside, and the implementation of the scheme is reliable.
Description
Technical Field
The application relates to the technical field of deep tunnel water delivery systems, in particular to a deep tunnel engineering water collecting device.
Background
Along with the rapid development of social economy in China, the urban area range is continuously expanded, rainwater and sewage drainage pipelines are longer and longer, the buried depth is larger and larger, and the construction cost is higher and higher, however, as the solidification degree of urban land is higher and higher, and the structure of a building is more and more complex, the drainage problem in the city is caused to show defects more and more, so that in rainy seasons, a lot of collected rainwater cannot be automatically drained into water bodies such as rivers, lakes, seas and the like.
The deep tunnel engineering is a popular subject of current research, the forecasting effect of the deep tunnel engineering on solving the problem of urban inland inundation is very optimistic, the deep tunnel engineering belongs to systematic engineering, the defects of traditional drainage systems such as the problem of the deep tunnel engineering can be avoided as far as possible, and the deep tunnel engineering is used for scheduling the outward-discharged rainwater and sewage to realize environment-friendly treatment, distribution and scheduling of water resources to the maximum extent.
However, the water collecting link is one of the difficulties of deep tunnel engineering, which relates to the transmission efficiency of the internal transmission pipeline and also relates to the service life problem, the traditional branch water collecting schemes include drop type, folded plate type, spiral type and step type water collecting, wherein when the drop type and folded plate type are used for treating the water body with large flow rate, the gas in the pipeline is difficult to discharge, so that the problem of mixed air transmission of the water body occurs, once the air is discharged suddenly, the dangerous accident of water body blowout of the water well occurs easily, while the current spiral type and step type schemes are difficult to treat the problem of flow direction interference between the water body which is pre-spiral and the newly discharged water body when a plurality of branches are collected, the occurrence of turbulence phenomenon is easy to occur, so that the water body is difficult to be finally input into the main pipeline in an expected flow form, and in addition, the assembly of deep tunnel engineering also has great difficulty, especially, assembly between each part of the device needs to consume a large amount of manpower and material resources, if the device can be integrated, the main parts can be integrally assembled in advance, and then buried installation is carried out, so that the installation efficiency and the maintenance convenience can be greatly improved.
Disclosure of Invention
The application provides a profound engineering water collecting device, the device can effectively solve branch road confluence among the prior art and disturb the problem of spiral water in advance, installation inconvenience easily.
The application provides a profound engineering water collecting device, its concrete technical scheme who adopts does:
the utility model provides a profound engineering water-collecting device, for a plurality of and interval connection on the dark tunnel water-collecting main pipe of regulation pump station, the device includes:
the spiral water collecting vertical shaft is of an inverted T-shaped three-way structure, two ends of the lower part of the spiral water collecting vertical shaft are provided with trunk line interfaces positioned on the same axis and used for being connected with the deep tunnel water collecting main pipe, the upper part of the spiral water collecting vertical shaft is a branch line converging end, a guide plate which extends clockwise spirally downwards is arranged in the branch line converging end from top to bottom, and the tail end of the lower end of the guide plate inclines towards the trunk line interface which is arranged at the lower part of the spiral water collecting vertical shaft and used for outputting water;
the pre-swirl joints are arranged on the upper part of the branch converging end of the spiral water collecting vertical shaft in a staggered manner from top to bottom, the profiles of the pre-swirl joints are matched with the profile of the outer side surface of the upper part of the branch converging end of the spiral water collecting vertical shaft and are attached to the upper part of the branch converging end, the side surface of the branch converging end of the spiral water collecting vertical shaft is provided with a converging port connected with one end of the pre-swirl joint, and the converging port faces the inner part of the branch converging end and the lower end surface of a guide plate close to the converging port;
the water collecting branch pipes correspond to the pre-cyclone joints one by one, one ends of the water collecting branch pipes are fixedly connected with the other ends of the pre-cyclone joints, and the other ends of the water collecting branch pipes are communicated with the ground confluence device;
the filtering mechanism is arranged on the upper end face of the branch converging end of the spiral water collecting vertical shaft and is used for filtering gas escaping from the spiral water collecting vertical shaft;
and the gas guide mechanism is arranged above the filtering mechanism and is used for guiding the gas filtered by the filtering mechanism to be discharged outside.
As a possible embodiment, further, the width of the deflector in the transverse direction is larger than the inner diameter of the flow-converging port.
As a possible implementation mode, the width of the flow guide plate in the transverse direction is 1/5-1/4 of the inner diameter of the branch flow converging end of the spiral water collecting vertical shaft.
As a possible implementation, further, the filtering mechanism is an activated carbon air filtering box.
Preferably, a connecting frame of an annular structure is further arranged between the filtering mechanism and the upper end face of the branch converging end of the spiral water collecting vertical shaft, the inner diameter of the annular structure of the connecting frame is smaller than the inner diameter of the upper end of the branch converging end of the spiral water collecting vertical shaft, and the outer diameter of the annular structure of the connecting frame is equal to the outer diameter of the upper end of the branch converging end of the spiral water collecting vertical shaft.
As a possible embodiment, further, the air guide mechanism includes:
the air guide hood is of a frustum-shaped shell structure with open upper and lower end surfaces, and the large-diameter end of the air guide hood is arranged above the filtering mechanism;
one end of the air guide pipe is fixedly connected with the small-diameter end of the air guide cover, and the other end of the air guide pipe vertically extends upwards.
As a preferred implementation option, a rain shade is preferably connected to the upper end of the air duct.
As a possible implementation mode, further, a first arc-shaped guide part is arranged on one side of the lower part of the branch converging end of the spiral water collecting shaft, which is close to the main line interface for outputting water on the lower part of the spiral water collecting shaft.
As a possible implementation manner, further, a first straight-through sleeve is further sleeved and welded or welded on a connecting portion between a trunk line interface at two ends of the lower portion of the spiral water collecting shaft and the deep tunnel water collecting main pipe.
As a possible implementation manner, further, a second straight-through sleeve is sleeved and welded on a connecting part between the other end of the pre-swirl joint and the water collecting branch pipe.
Among the above-mentioned scheme, compared with prior art, the technical scheme who adopts, its beneficial effect who has is: the scheme ingeniously utilizes the matching of the spiral water collecting vertical shaft and the plurality of pre-cyclone joints, so that each branch water body collected from the ground can enter the pre-cyclone joints through the water collecting branch pipes and is input into the spiral water collecting vertical shaft through the pre-cyclone joints, and the corresponding collecting ports arranged on the spiral water collecting vertical shaft face the lower end faces of the guide plates close to the branch water collecting ends, so that the water body input by the water collecting branch pipes with large flow rate can be separated and blocked by the lower end face of the guide plates, the input water body is directly and forcibly guided, and falls into the upper side faces of the guide plates, so that the water body is conveyed downwards along the conveying form of the collecting water body in the spiral water collecting vertical shaft, and the guide of the guide plates in the transverse width larger than the inner diameter of the collecting ports is more favorable for guiding the water body input by the collecting ports, and the turbulence phenomenon caused by the impact of the water body input by the collecting ports on other water bodies in the spiral water collecting vertical shaft is avoided, make the water in the spiral shaft that catchments all by the spiral in advance, and the lower extreme end slope of the guide plate of spiral shaft lower extreme that catchments is used for the trunk line interface of output water towards spiral shaft lower part that catchments, make the water of following spiral shaft output that catchments, still can keep certain spiral state, avoid the water when carrying, follow a large amount of air and take away, thereby avoided the spiral to catchment and vertically taken place water as far as, the dangerous accident of gas blowout, also provide effective auxiliary action for the effective confluence of the deep tunnel water collecting main pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of the device of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
fig. 3 is a schematic view of the spiral water collecting shaft and the pre-swirl joint in the scheme of the utility model;
icon: 1-a deep tunnel water collecting main pipe; 11-a first pass through sleeve; 2-spiral water collecting vertical shaft; 21-trunk interface; 22-branch huygur end; 23-a baffle; 24-a first arcuate guide; 25-a sink; 3-pre-swirl joint; 31-a first transition guide; 32-a second transition guide; 4-water collecting branch pipes; 41-a second straight-through bushing; 5-a filtering mechanism; 6-an air guide mechanism; 61-a gas guiding hood; 62-an airway tube; 63-rain shade; 7-connecting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solution in the present application will be described below with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, the present invention relates to a deep tunnel water collecting device, which is a plurality of deep tunnel water collecting devices connected to a regulation and storage pump station at intervals on a main pipe 1 for collecting water in deep tunnel, the device includes:
the spiral water collecting vertical shaft 2 is of an inverted T-shaped three-way structure, two ends of the lower part of the spiral water collecting vertical shaft 2 are provided with trunk connectors 21 located on the same axis and used for being connected with the deep tunnel water collecting main pipe 1, the upper part of the spiral water collecting vertical shaft 2 is provided with a branch converging end 22, a guide plate 23 which extends clockwise spirally downwards is arranged in the branch converging end 22 from top to bottom, and the tail end of the lower end of the guide plate 23 inclines towards the trunk connectors 21 which are used for outputting water and arranged on the lower part of the spiral water collecting vertical shaft 2;
the pre-swirl connectors 3 are arranged at the upper part of the branch converging end of the spiral water collecting vertical shaft 2 in a staggered manner from top to bottom, the profiles of the pre-swirl connectors 3 are matched with the profile of the outer side surface of the upper part of the branch converging end 22 of the spiral water collecting vertical shaft 2 and are attached to the upper part of the branch converging end 22, the side surface of the spiral water collecting vertical shaft 2 is provided with a confluence port 25 connected with one end of the pre-swirl connector 3, the confluence port 25 faces the lower end surface of a guide plate 23 in the branch converging end 22 and close to the branch converging end, one end of the pre-swirl connector 3, which is attached to the spiral water collecting vertical shaft 2, is provided with a first transition guide part 31 bent in an arc shape, the other end of the pre-swirl connector is provided with a second transition guide part 32 bent in an arc shape, and the end is close to the confluence;
the water collecting branch pipes 4 correspond to the pre-swirl joints 3 one by one, one ends of the water collecting branch pipes are fixedly connected with the other ends of the pre-swirl joints 3, and the other ends of the water collecting branch pipes are communicated with the ground confluence device;
the filtering mechanism 5 is arranged on the upper end surface of the branch converging end 22 of the spiral water collecting vertical shaft 2 and is used for filtering gas escaping from the spiral water collecting vertical shaft 2;
and the gas guide mechanism 6 is arranged above the filtering mechanism 5 and is used for guiding the gas filtered by the filtering mechanism 5 to be discharged outwards.
As a possible implementation manner, in order to guide the water body input from the junction 25 and avoid the situation that part of the water body cannot be guided in a covering manner, the width of the flow guide plate 23 in the transverse direction is larger than the inner diameter of the junction 25; meanwhile, as a possible optional implementation size, the width of the flow guide plate 23 in the transverse direction is 1/5-1/4 of the inner diameter of the branch flow collecting end 22 of the spiral water collecting vertical shaft 2.
In order to purify the gas escaping from the branch converging end 22 of the spiral water collecting shaft 2 and avoid environmental pollution, as a possible implementation mode, the filtering mechanism 5 is an activated carbon air filtering box; as a preferred implementation option, preferably, a connecting frame 7 with an annular structure is further disposed between the filtering mechanism 5 and the upper end surface of the branch converging end 22 of the spiral water collecting shaft 2, the inner diameter of the annular structure of the connecting frame 7 is smaller than the inner diameter of the upper end of the branch converging end 22 of the spiral water collecting shaft 2, and the outer diameter of the annular structure of the connecting frame 7 is equal to the outer diameter of the upper end of the branch converging end 22 of the spiral water collecting shaft 2.
In addition, as a possible embodiment, further, the air guide mechanism 6 includes:
the air guide cover 61 is of a frustum-shaped shell structure with open upper and lower end surfaces, and the large-diameter end of the air guide cover is arranged above the filtering mechanism 5;
one end of the air duct 62 is fixedly connected with the small-diameter end of the air guide cover 61, and the other end of the air duct extends vertically upwards.
As a preferred embodiment, a rain cover 63 is preferably attached to the upper end of the air duct 62.
In order to avoid the disturbance caused by the interference of the water introduced by the branch collecting end 22 on the water in the deep tunnel water collecting main pipe 1, as a possible implementation manner, further, a first arc-shaped guide part 24 is arranged on one side of the lower part of the branch collecting end 22 of the spiral water collecting vertical shaft 2, which is close to the main line interface for outputting water at the lower part of the spiral water collecting vertical shaft 2.
Meanwhile, in order to improve the connection strength and avoid the disconnection or the fracture of the connection part, as a possible implementation mode, further, the first straight-through sleeve 11 is further sleeved and welded on the connection part between the trunk line interface 21 at the two ends of the lower part of the spiral water collecting shaft 2 and the deep tunnel water collecting main pipe 1.
Correspondingly, as a possible implementation manner, a second straight-through sleeve 41 is further sleeved and welded on a connecting part between the other end of the pre-swirl joint 3 and the water collecting branch pipe 4.
The scheme ingeniously utilizes the matching of the spiral water collecting vertical shaft 2 and the plurality of pre-cyclone joints 3, so that each branch water body collected from the ground can enter the pre-cyclone joints 3 through the water collecting branch pipes 4 and is input into the spiral water collecting vertical shaft 2 through the pre-cyclone joints 3, the corresponding confluence ports 25 arranged on the spiral water collecting vertical shaft 2 face the lower end faces of the guide plates 23 close to the branch water confluence ends 22, therefore, no matter how large the flow of the water body input into the water collecting branch pipes 4 is, the water body is separated and blocked by the lower end faces of the guide plates 23, the input water body is directly and forcibly guided, and falls into the upper side faces of the guide plates 23, so that the water body is conveyed downwards along with the conveying form of the confluence water body in the spiral water collecting vertical shaft 2, and the transverse width of the guide plates 23 is larger than the inner diameter of the confluence ports 25, avoid the water of converging 25 input to assault the emergence that leads to the vortex phenomenon to other waters in the spiral sump shaft 2, make the water in the spiral sump shaft 2 all by the spiral in advance, and the lower extreme end slope of the guide plate 23 of spiral sump shaft 2 lower extreme is used for the trunk line interface 21 of output water towards spiral sump shaft 2 lower part, make the water of spiral sump shaft 2 output, still can keep certain helical state, avoid the water to follow when carrying, take away a large amount of air, thereby avoided spiral sump shaft 2 to take place water as far as, the dangerous accident of gas well blowout, also provide effective additional action for the effective confluence of deep tunnel sump shaft 1.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a profound engineering water-collecting device, for a plurality of and interval connection on regulation pump station's profound tunnel catchment person in charge (1), its characterized in that: the device includes:
the spiral water collecting vertical shaft (2) is of an inverted T-shaped three-way structure, two ends of the lower part of the spiral water collecting vertical shaft are provided with trunk connectors (21) located on the same axis and used for being connected with the deep tunnel water collecting main pipe (1), the upper part of the spiral water collecting vertical shaft (2) is provided with a branch flow collecting end (22), a guide plate (23) which extends clockwise spirally downwards is arranged in the branch flow collecting end (22) from top to bottom, and the tail end of the lower end of the guide plate (23) inclines towards the trunk connectors which are used for outputting water and located on the lower part of the spiral water collecting vertical shaft (2);
the pre-swirl joints (3) are arranged on the upper parts of the branch converging ends (22) of the spiral water collecting vertical shafts (2) in a staggered manner from top to bottom, the profiles of the pre-swirl joints (3) are matched with the profile of the outer side surface of the upper part of the branch converging end (22) of the spiral water collecting vertical shaft (2) and are attached to the upper parts of the branch converging ends (22), the side surface of the branch converging end (22) is provided with a converging port (25) connected with one end of the pre-swirl joint (3), and the converging port (25) faces the lower end surface of a guide plate (23) close to the branch converging end (22);
the water collecting branch pipes (4) correspond to the pre-cyclone joints (3) one by one, one end of each water collecting branch pipe is fixedly connected with the other end of each pre-cyclone joint (3), and the other end of each water collecting branch pipe is communicated with the ground confluence device;
the filtering mechanism (5) is arranged on the upper end face of the branch converging end (22) of the spiral water collecting vertical shaft (2) and is used for filtering gas escaping from the spiral water collecting vertical shaft (2);
and the gas guide mechanism (6) is arranged above the filtering mechanism (5) and is used for guiding the gas filtered by the filtering mechanism (5) to be discharged outside.
2. The profound engineering water collection device of claim 1, characterized in that: the width of the guide plate (23) in the transverse direction is larger than the inner diameter of the confluence opening (25).
3. The profound engineering water collection device of claim 1, characterized in that: the width of the guide plate (23) in the transverse direction is 1/5-1/4 of the inner diameter of the branch flow collecting end (22) of the spiral water collecting vertical shaft (2).
4. The profound engineering water collection device of claim 1, characterized in that: the filtering mechanism (5) is an active carbon air filtering box.
5. The profound engineering water collecting device of claim 4, characterized in that: the filtering mechanism (5) and the upper end face of the branch converging end (22) of the spiral water collecting vertical shaft (2) are provided with a connecting frame (7) of an annular structure, the inner diameter of the annular structure of the connecting frame (7) is smaller than the inner diameter of the upper end of the branch converging end (22) of the spiral water collecting vertical shaft (2), and the outer diameter of the annular structure of the connecting frame (7) is equal to the outer diameter of the upper end of the branch converging end (22) of the spiral water collecting vertical shaft (2).
6. The profound engineering water collection device of claim 1, characterized in that: the air guide mechanism (6) comprises:
the air guide cover (61) is of a frustum-shaped shell structure with open upper and lower end surfaces, and the large-diameter end of the air guide cover is arranged above the filtering mechanism (5);
one end of the air duct (62) is fixedly connected with the small-diameter end of the air guide cover (61), and the other end of the air duct extends vertically upwards.
7. The profound engineering water collection device of claim 6, characterized in that: the upper end of the air duct (62) is also connected with a rain shade (63).
8. The profound engineering water collection device of claim 1, characterized in that: and a first arc-shaped guide part (24) is arranged on one side of the lower part of the branch converging end (22) of the spiral water collecting vertical shaft (2), which is close to a main line interface for outputting water on the lower part of the spiral water collecting vertical shaft (2).
9. The profound engineering water collection device of claim 1, characterized in that: and a first straight-through sleeve (11) is further sleeved and welded or welded on a connecting part between the trunk connectors (21) at the two ends of the lower part of the spiral water collecting vertical shaft (2) and the deep tunnel water collecting main pipe (1).
10. The profound engineering water collection device of claim 1, characterized in that: a second straight-through sleeve (41) is sleeved and welded on or welded on a connecting part between the other end of the pre-swirling flow joint (3) and the water collecting branch pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756736.9U CN213014604U (en) | 2020-08-20 | 2020-08-20 | Profound engineering water collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756736.9U CN213014604U (en) | 2020-08-20 | 2020-08-20 | Profound engineering water collecting device |
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| Publication Number | Publication Date |
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| CN213014604U true CN213014604U (en) | 2021-04-20 |
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| CN202021756736.9U Expired - Fee Related CN213014604U (en) | 2020-08-20 | 2020-08-20 | Profound engineering water collecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882490A (en) * | 2021-09-01 | 2022-01-04 | 武汉市政工程设计研究院有限责任公司 | Vortex inflow vertical shaft system connected to deep drainage tunnel |
-
2020
- 2020-08-20 CN CN202021756736.9U patent/CN213014604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882490A (en) * | 2021-09-01 | 2022-01-04 | 武汉市政工程设计研究院有限责任公司 | Vortex inflow vertical shaft system connected to deep drainage tunnel |
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Granted publication date: 20210420 |