CN219196191U - Rain sewage pipeline current limiting device - Google Patents
Rain sewage pipeline current limiting device Download PDFInfo
- Publication number
- CN219196191U CN219196191U CN202223601802.7U CN202223601802U CN219196191U CN 219196191 U CN219196191 U CN 219196191U CN 202223601802 U CN202223601802 U CN 202223601802U CN 219196191 U CN219196191 U CN 219196191U
- Authority
- CN
- China
- Prior art keywords
- baffle
- pipe portion
- pipe
- current limiting
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The application discloses rainwater pipeline current limiting device, install the baffle that can unidirectional rotation in the first pipe portion, the one end and the first pipe portion of baffle are connected, and the other end is connected with the floater through the stay cord. In addition, the limiting device further comprises an arc-shaped abutting unit which can be abutted by the floating ball. In addition, the limiting device further comprises a rain sewage inspection well connected with the first pipe part, and the floating ball can be positioned in the rain sewage inspection well. The rainwater and sewage pipeline current limiting device is simple in structure, low in cost and capable of achieving the function of automatic current limiting.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to a rainwater and sewage pipeline flow limiting device.
Background
In water supply and drainage engineering, in underground pipe networks of cities or rain and sewage diversion systems and some hydraulic engineering, the control of the flow in the pipeline is needed, the control of the flow in the existing pipeline is realized through an electric gate, an electric valve and the like, the control depends on complex structures, electric execution force is needed, the liquid level is needed to be detected, and the control is executed according to an automatic program, so that errors are more easily caused due to the fact that the control of the flow in the pipeline, the information detection and the program execution are involved in the control, and the manufacturing cost is high. In some occasions with certain requirements on current limiting, but the accuracy of the current limiting is not very high, the structure is excessively high in manufacturing cost and maintenance cost. If the utility model has the automatic current limiting function, the current limiting mode with low manufacturing and maintenance cost can greatly reduce the construction cost of engineering, and the rain sewage pipeline current limiting device has simple structure and is not easy to fail, so that the maintenance is simpler.
Disclosure of Invention
The utility model aims to: the utility model provides a rainwater pipeline current limiting device aims at overcoming prior art's defect.
The technical scheme is as follows: the utility model provides a current limiting device, includes first pipe portion, install the baffle that can unidirectional rotation in the first pipe portion, the one end and the first pipe portion of baffle are connected, and the other end is connected with the floater through the stay cord.
Further, the device also comprises an arc-shaped abutting unit capable of being abutted by the floating ball.
Thereby being convenient for the floating ball to slide and preventing the corner of the pipeline from damaging the stay cord and the floating ball.
Further, the device also comprises a rain sewage inspection well connected with the first pipe part, and the floating ball can be positioned in the rain sewage inspection well.
Thereby providing sufficient space for the movement of the float.
Further, the device also comprises a second pipe part and a rain sewage inspection well, wherein the first pipe part, the second pipe part and the rain sewage inspection well are distributed in a T shape; an arc-shaped abutting plate which can be abutted by the floating ball is arranged in the rain sewage inspection well.
Further, the sections of the first pipe part, the second pipe part and the rain sewage inspection well are all round.
Further, the axes of the first pipe part and the second pipe part are collinear, and the rain sewage inspection well is perpendicular to the first pipe part.
Further, the diameter of the first pipe portion is equal to that of the second pipe portion, and the diameter of the rain sewage inspection well is larger than that of the first pipe portion.
Further, nitrogen is filled in the floating ball; or the floating ball is filled with mixed gas of nitrogen and hydrogen, wherein the volume ratio of the hydrogen is less than 10%; or the floating ball is filled with mixed gas of air and hydrogen, wherein the volume ratio of the hydrogen is less than 5%.
Further, the top end of the baffle is hinged with the first pipe part, and the baffle can only rotate towards the downstream direction of water flow; the bottom end of the baffle is provided with a circular ring part connected with the pull rope; or, the bottom end of the baffle is provided with a through hole connected with the pull rope.
Further, the diameter of the floating ball is 5 cm to 10cm larger than the inner diameter of the first pipe part.
Further, the sum of the distance from the end, connected with the first pipe portion, of the baffle plate to the end of the first pipe portion and the height of the baffle plate is greater than or equal to the length of the pull rope.
Further, the height of the baffle plate is more than or equal to half of the inner diameter of the first pipe part and less than or equal to three quarters of the inner diameter of the first pipe part.
Further, the area of the baffle plate is A, A=Q/V d Q is the design value of the maximum passing flow of the first pipe part, V d For the design flow rate of the first pipe part, V d And 0.3m/s or more.
Further, the weight of the baffle plate is G, G < ρV 2 And rho is the density of the rain sewage, and V is the flow speed of the first pipe part in the current limiting state.
Further, the baffle is a lightweight waterproof baffle.
Further, the height of the baffle is the height of the baffle in a state of being perpendicular to the first pipe portion.
Further, the height of the baffle is the height of the baffle in a vertical state.
The beneficial effects are that: the utility model provides a rain sewage conduit current limiter, simple structure, production is simple, and is with low costs, does not need extra power drive arrangement, but can realize automatic current limiting, can all realize automatic current limiting to high water level, well water level and low water level, can be according to discharge automatically regulated current limiting, and the current limiting is effectual.
Drawings
FIG. 1 is a schematic view of a restriction device in a low water level state;
FIG. 2 is a schematic view of the restriction device in a mid-water state;
FIG. 3 is a schematic view of the restriction device in a high water level state.
Detailed Description
Reference numerals: 1.1 a first tube portion; 1.2 a second tube portion; 1.3 rain sewage inspection well; 1.4 arc-shaped abutting plates; 2, a baffle plate; 2.1 one end of the baffle plate connected with the first pipe part; 2.2 one end of the baffle plate connected with the pull rope; 3, pulling a rope; 4, floating ball.
As shown in the figure: the utility model provides a rainwater pipeline current limiting device, includes first pipe portion 1.1, second pipe portion 1.2 and rainwater inspection shaft 1.3, install baffle 2 that can unidirectional rotation in the first pipe portion 1.1, the one end and the first pipe portion 1.1 of baffle 2 are connected, and the other end is connected with floater 4 through stay cord 3. The first pipe part 1.1, the second pipe part 1.2 and the rain sewage inspection well 1.3 are distributed in a T shape; an arc-shaped abutting plate 1.4 which can be abutted by the floating ball 4 is arranged in the rain sewage inspection well 1.3.
Nitrogen is filled in the floating ball 4; or the floating ball 4 is filled with mixed gas of nitrogen and hydrogen, wherein the volume ratio of the hydrogen is less than 10%; or the floating ball 4 is filled with mixed gas of air and hydrogen, wherein the volume ratio of the hydrogen is less than 5%. The top end of the baffle plate 2 is hinged with the first pipe part 1.1, and the baffle plate 2 can only rotate towards the downstream direction of water flow; the bottom end of the baffle plate 2 is provided with a circular ring part connected with the pull rope 3; alternatively, the bottom end of the baffle plate 2 is provided with a through hole connected with the pull rope 3.
The diameter of the floating ball 4 is 5 cm to 10cm larger than the inner diameter of the first pipe part 1.1. The sum of the distance from the end, connected with the first pipe part 1.1, of the baffle plate 2 to the end part of the first pipe part 1.1 and the height of the baffle plate 2 is more than or equal to the length of the pull rope 3. The height of the baffle plate 2 is more than or equal to half of the inner diameter of the first pipe part 1.1 and less than or equal to three fourths of the inner diameter of the first pipe part 1.1; the area of the baffle plate 2 is A, A=Q/V d Q is the design value of the maximum passing flow rate of the first pipe part 1.1, V is d For the design flow rate of the first pipe section 1.1, V d 0.3m/s or more; the weight of the baffle plate 2 is G, G < ρV 2 And ρ is the density of the rain sewage, and V is the flow velocity of the first pipe portion 1.1 in the current-limiting state.
As shown in the figure, the rainwater and sewage pipeline flow limiting device can realize limiting automatic adjustment according to the height of the water level in the pipeline. The baffle is actually a water baffle, and can rotate along the moving direction of the water flow under the impact of the water flow, so that the floating ball is driven to move towards the end part of the first pipe part, and at least one part of the opening of the first pipe part is blocked, and the flow limiting is realized. Specifically, as shown in fig. 1, the water level is low at this time, the water flow does not impact the baffle, and thus the floating ball does not actually limit the water flow. As shown in fig. 2, when the water level is at the middle water level, the baffle is pushed to rotate to a certain extent, so that the floating ball moves downwards, a certain blocking of water flow is achieved, and flow limiting is achieved. As shown in fig. 3, when the water level is in a high water level state, the impact of water flow on the baffle is large, so that the floating ball is further pulled downwards, the water flow is further limited, and the floating ball can automatically realize the flow limiting of the pipeline according to the water level.
While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the utility model as defined in the following claims.
Claims (8)
1. The utility model provides a rainwater pipeline current limiting device which characterized in that includes first pipe portion, install the baffle that can unidirectional rotation in the first pipe portion, the one end and the first pipe portion of baffle are connected, and the other end is connected with the floater through the stay cord.
2. The device according to claim 1, further comprising an arc-shaped abutting unit that can be abutted by the floating ball.
3. The raindrop pipe flow restriction device of claim 1, further comprising a raindrop water inspection well connected to the first pipe portion, wherein the float ball is positionable within the raindrop water inspection well.
4. The device according to claim 1, further comprising a second pipe portion and a rain water drain well, wherein the first pipe portion, the second pipe portion and the rain water drain well are T-shaped; an arc-shaped abutting plate which can be abutted by the floating ball is arranged in the rain sewage inspection well.
5. The device according to claim 1 or 4, wherein the top end of the baffle is hinged to the first pipe portion, and the baffle is rotatable only in the downstream direction of the water flow; the bottom end of the baffle is provided with a circular ring part connected with the pull rope; or, the bottom end of the baffle is provided with a through hole connected with the pull rope.
6. The device according to claim 1, wherein the diameter of the float ball is 5-10cm larger than the inner diameter of the first pipe portion.
7. The device according to claim 1, wherein a sum of a distance from an end of the baffle plate connected to the first pipe portion to an end of the first pipe portion and a height of the baffle plate is equal to or greater than a length of the pull cord.
8. The raindrop pipe flow restriction device of claim 1, wherein the baffle has a height equal to or greater than half the inner diameter of the first pipe portion and less than or equal to three-quarters of the inner diameter of the first pipe portion; the area of the baffle plate is A, A=Q/V d Q is the design value of the maximum passing flow of the first pipe part, V d For the design flow rate of the first pipe part, V d 0.3m/s or more; the weight of the baffle is G, G is less than ρV 2 And rho is the density of the rain sewage, and V is the flow speed of the first pipe part in the current limiting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601802.7U CN219196191U (en) | 2022-12-30 | 2022-12-30 | Rain sewage pipeline current limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601802.7U CN219196191U (en) | 2022-12-30 | 2022-12-30 | Rain sewage pipeline current limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219196191U true CN219196191U (en) | 2023-06-16 |
Family
ID=86715143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223601802.7U Active CN219196191U (en) | 2022-12-30 | 2022-12-30 | Rain sewage pipeline current limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219196191U (en) |
-
2022
- 2022-12-30 CN CN202223601802.7U patent/CN219196191U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208363235U (en) | A kind of overflow well controlling the pipeline flow that shuts off by floating drum and pulley | |
| CN104532796B (en) | The rubber dam of a kind of wear-resistant steel plate of self-control type band | |
| CN108396850A (en) | The intelligence that interception ratio is adjustable to prevent excessive rainwater from entering sewage pipe cuts dirty well | |
| CN111206621A (en) | Well cover of sewer well | |
| CN206418566U (en) | A kind of discharge structure of automatic utilization sewage conduct assisted drainage | |
| CN219196191U (en) | Rain sewage pipeline current limiting device | |
| CN109252577A (en) | The device of the dirty direct-connected organized degasification of system of rain | |
| CN105672465A (en) | Unpowered current-limiting intelligent intercepting well with overflow grating | |
| CN207633479U (en) | A kind of urban underground water drainage pipe current-limiting mechanism | |
| CN217128454U (en) | Catch basin that has anti-flowing back function concurrently suitable for along river cut dirty system | |
| CN207812637U (en) | A kind of buoyancy control cut-off equipment for transformation of shutting off for residential building balcony sewage | |
| CN206385741U (en) | A kind of siphon drainge system for building | |
| CN212674235U (en) | Urban sewage pipeline drainage waterlogging-prevention monitoring system | |
| CN109113169A (en) | Drainage pipeline automatic flushing device | |
| CN112160399B (en) | Sponge city large and small rainwater diversion and drainage device and construction method thereof | |
| CN204983096U (en) | Prefabricated pump station of formula of burying | |
| CN211922901U (en) | Lifting valve structure for sewage pipeline | |
| CN113293838A (en) | Municipal drainage pipe of intelligent management | |
| CN208965702U (en) | Drainage pipeline automatic flushing device | |
| CN112081192A (en) | Cut-off device, cut-off system and cut-off method for vertical pipe | |
| CN113529912A (en) | Hydraulic self-control rainwater flow dividing device | |
| CN207749626U (en) | The Vatch basin and weir gate of limiting device are installed | |
| CN219491251U (en) | Small-size facility that cuts off | |
| CN220486716U (en) | Rainwater drainage anti-backflow system | |
| CN206090797U (en) | Integration vatch basin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |