CN209900777U - Pressure flow energy dissipation and suspended matter intercepting device - Google Patents
Pressure flow energy dissipation and suspended matter intercepting device Download PDFInfo
- Publication number
- CN209900777U CN209900777U CN201920173906.1U CN201920173906U CN209900777U CN 209900777 U CN209900777 U CN 209900777U CN 201920173906 U CN201920173906 U CN 201920173906U CN 209900777 U CN209900777 U CN 209900777U
- Authority
- CN
- China
- Prior art keywords
- energy dissipation
- water
- suspended matter
- flow
- water inlet
- 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
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a pressure flow energy dissipation and suspended solid cut-off equipment. The device comprises: an energy dissipation flow passage area with a water inlet pipe; and a suspended matter settling zone with two water outlet pipes; a communicating pore channel is arranged between the energy dissipation flow channel area and the suspended matter settling area; one water outlet pipe of the suspended matter settling zone is arranged at the upper section or the middle upper section of the side wall of the suspended matter settling zone, and the other water outlet pipe is arranged at the middle lower section or the lower section of the side wall of the suspended matter settling zone. The water flow enters the energy dissipation and suspended matter interception device through the water inlet pipe (pressure pipe); the water outlet of the water inlet pipe passes through the energy dissipation flow passage to dissipate energy; the water flow after energy dissipation passes through the partition wall through the well communicating pore passage and enters the suspended matter settling zone; water flow is subjected to suspended matter precipitation in the suspended matter precipitation area, and muddy water is layered; the clear water on the upper layer of the suspended matter precipitation zone is discharged through a water outlet pipe, and the sludge on the lower layer is periodically discharged for disposal. The device can eliminate pressure flow energy, effectively cut off suspended matters in the water body after efficiency, and avoid the problem of sedimentation and blockage of subsequent pipelines.
Description
Technical Field
The utility model belongs to the technical field of the water supply and drainage, more specifically says, relates to a pressure flow energy dissipation and suspended solid cut-off equipment.
Background
Water delivery is usually carried out in two ways: pressure conveying and gravity conveying. In the water flow conveying process, water flow energy is eliminated due to the change of the conveying mode or the release of the tail end of the water flow, so that the damage to a water body receiving structure caused by the overlarge water flow energy is avoided.
In the gravity flow water conveying mode, the potential energy difference of a water body is overlarge due to the large height difference of the upstream and the downstream of the water conveying channel, and a gravity type energy dissipation well needs to be arranged in the middle. The gravity type energy dissipation well has become mature, and relevant standards, specifications and books specify and describe in detail [ design specification for outdoor drainage (GB 50014-. The Liuhua et al improves the traditional gravity type energy dissipation well, adds a secondary energy dissipation advection pressure stabilization well behind the deep cylinder energy dissipation well, can be continuously used, ensures that the flow of water and the flow of a water inlet pipe are equal, and reduces multi-orifice water outlets in the space of a pipeline well and performs secondary advection pressure stabilization energy dissipation (the invention patent: the improved deep cylinder energy dissipation well, publication No. CN 102900053A). Zhangzhizhong et al designs an ultra-deep regulating pipe initial stage rainwater inflow energy dissipation well, and this energy dissipation well simple structure, convenience, can implement, can have fine energy dissipation effect to the rainwater that gets into the well body etc. simultaneously, very big reduction rainwater to the impact of well body lower part and regulating pipe. (invention patent: super deep regulation pipe initial stage rainwater inflow energy dissipation well, publication No. CN 102808449A). However, in the aspect of pressure flow energy dissipation, the technology is almost blank, and especially after the energy of the pressure flow is reduced, the suspended matters in the water body tend to stably sink, so that the problem of pipeline siltation is caused, and the research is lacked.
In order to realize the energy dissipation of the pressure flow and solve the problem of pipeline siltation after energy reduction, it is necessary to find a method for the energy dissipation of the pressure flow and the interception of suspended matters, which is advanced, feasible, economical and reasonable in technology.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a device for eliminating the pressure flow energy dissipation and the suspended solid interception of the suspended solid in the water body after the pressure flow energy dissipation and the efficiency interception effectively.
To achieve the above object, the utility model discloses a pressure flow energy dissipation and suspended solid cut-off equipment, include
An energy dissipation flow passage area with a water inlet pipe; and a suspended matter settling zone with two water outlet pipes; a communicating pore channel is arranged between the energy dissipation flow channel area and the suspended matter settling area; one water outlet pipe of the suspended matter settling zone is arranged at the upper section or the middle upper section of the side wall of the suspended matter settling zone, and the other water outlet pipe is arranged at the middle lower section or the lower section of the side wall of the suspended matter settling zone.
Wherein, the included angle alpha between the water inlet direction of the water inlet pipe and the horizontal direction is less than or equal to 15 degrees; d is not less than 100mm and not more than 2000 mm; the flow velocity of the inflow water is more than or equal to 0.5m/s and less than or equal to 5.0 m/s.
Wherein l is not less than 0.5m and not more than 1.5m from the water outlet of the water inlet pipe I to the starting point of the energy dissipation flow channel II; the energy dissipation flow channel is cylindrical, the radius R of the energy dissipation flow channel is (0.5-2.5). d.v 2, and R is not less than d.
Wherein, the communicating pore canal is rectangular, and the flow cross section area S is more than or equal to 0.5. pi. d 2; or when the communicating pore channel is circular, the diameter D of the pore channel is (1.4-2) D.
Wherein the effective residence time t of the suspended matter precipitation zone is more than or equal to 2 min.
Wherein the water outlet pipe adopts gravity to flow out water, the inner diameter d1 of the water outlet pipe is more than or equal to 2.5d, d1 of the water outlet pipe is more than or equal to 300mm, and the gradient is more than or equal to 1 per thousand and less than or equal to i and less than or equal to 10 per thousand.
Compared with the prior art, the utility model discloses outstanding advantage lies in:
(1) the technical blank of pressure flow energy dissipation is filled, the pressure flow energy can be economically and effectively eliminated, and the damage to a receiving structure caused by overhigh water energy is avoided.
(2) The closure of suspended matters in the water body after energy dissipation is realized, and the problem of subsequent pipeline siltation is solved.
Drawings
Fig. 1 is a schematic plan view of the present invention.
FIG. 2 is an elevation view of the embodiment of FIG. 1
Detailed Description
Example 1
In the example 1, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (I), an included angle alpha between the water inlet direction of the water inlet pipe (I) and the horizontal direction is 15 degrees, the pipe inner diameter d is 2000mm, and the water inlet flow speed v is 5.0 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 1.5m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R125 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is rectangular, and the cross-sectional area S is 0.5. pi. d2I.e. S6.28 m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 2min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5 d-5 m, gradient i-10%. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 2
Example 2 Medium pressureForce water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe I, an included angle alpha between the water inlet direction of the water inlet pipe I and the horizontal direction is 1 degree, the inner diameter d of the pipe is 100mm, and the water inlet flow speed v is 0.5 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 0.5m, and the radius R of the energy dissipation flow channel is 0.5. d. v2And R is more than or equal to 2d, namely R is 0.2 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is rectangular, and the cross-sectional area S is 0.5. pi. d2I.e. S is 0.157m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 5min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe1300mm and gradient i 1%. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 3
In the example 3, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 10 degrees, the pipe inner diameter d is 1000mm, and the water inlet flow speed v is 2.5 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 1.0m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R15.625 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is round, and the cross-sectional area S is 0.5. pi. d2I.e. S1.57 m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 3min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d 2.5m and gradient i 3 ‰. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 4
In the example 4, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 7 degrees, the pipe inner diameter d is 1200mm, and the water inlet flow speed v is 1.2 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 0.9m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R ═ 4.32 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is round, and the cross-sectional area S is 0.5. pi. d2I.e. S2.26 m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 3min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d 3m and gradient i 5 ‰. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 5
In the example 5, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 11 degrees, the pipe inner diameter d is 300mm, and the water inlet flow speed v is 1.1 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 1.2m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R is 0.91 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is rectangular, and the cross-sectional area S is 0.5. pi. d2I.e. S is 0.14m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 10min, so that the muddy water is layered. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d is 0.75m, and gradient i is 2 ‰. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 6
In the example 6, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 2 degrees, the pipe inner diameter d is 500mm, and the water inlet flow speed v is 3 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 1.1m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R ═ 11.25 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is rectangular, and the cross-sectional area S is 0.5. pi. d2I.e. S is 0.39m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 4min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d 1.25m and gradient i 9 ‰. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 7
In the example 7, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 2 degrees, the pipe inner diameter d is 1500mm, and the water inlet flow speed v is 0.6 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 0.6m, and the radius R of the energy dissipation flow channel is 2.5. d. v2And R is not less than d, namely R is 1.5 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is round, and the cross-sectional area S is 0.5. pi. d2I.e. S is 3.53m2. The water body is subjected to suspended matter precipitation in the suspended matter precipitation zoneAnd the effective residence time t of the fifth zone is 8min, so that the mud and water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d 3.75m and gradient i 6 ‰. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Example 8
In the example 8, pressure water flow enters an energy dissipation and suspended matter interception facility through a water inlet pipe (i), an included angle alpha between the water inlet direction of the water inlet pipe (i) and the horizontal direction is 7 degrees, the inner diameter d of the pipe is 200mm, and the water inlet flow speed v is 0.9 m/s; the distance between the water outlet of the water inlet pipe and the starting point of the energy dissipation flow channel is 0.9m, and the radius R of the energy dissipation flow channel is 2.5. d. v2I.e., R ═ 0.405 m. After the effluent of the water inlet pipe passes through the energy dissipation flow channel II for energy dissipation, the water flow passes through the partition wall III through the well communication pore canal II and enters the suspended matter sedimentation area III. The communicating pore canal is rectangular, and the cross-sectional area S is 0.5. pi. d2I.e. S ═ 0.063m2. And (3) precipitating suspended matters in the water body in the suspended matter precipitation area, wherein the effective residence time t of the suspended matter precipitation area is 5min, so that muddy water layering is realized. The upper clear water passes through water outlet pipe, the water is discharged by gravity, the inner diameter d of the water outlet pipe12.5d is 0.5m and gradient i is 2%. And carrying out outward discharge treatment on the sludge at the lower layer.
After the pressure flows through the energy dissipation system for energy dissipation, the energy is reduced, suspended matters in water are effectively intercepted, and the subsequent pipelines are not silted.
Claims (6)
1. A pressure flow energy dissipation and suspension shutoff device, comprising: an energy dissipation flow passage area with a water inlet pipe; and a suspended matter settling zone with two water outlet pipes; a communicating pore channel is arranged between the energy dissipation flow channel area and the suspended matter settling area; one water outlet pipe of the suspended matter settling zone is arranged at the upper section or the middle upper section of the side wall of the suspended matter settling zone, and the other water outlet pipe is arranged at the middle lower section or the lower section of the side wall of the suspended matter settling zone.
2. The device for energy dissipation and suspension cut-off under pressure of claim 1, wherein the angle α between the water inlet direction of the water inlet pipe and the horizontal direction is less than or equal to 15 °; d is not less than 2000mm and is not more than 100mm of the inner diameter of the water inlet pipe; the flow velocity of the inflow water is more than or equal to 0.5m/s and less than or equal to 5.0 m/s.
3. The device for intercepting a pressure flow energy dissipation and suspension as claimed in claim 1, wherein l is 0.5m or more and 1.5m or less from the water outlet of the water inlet pipe to the starting point of the energy dissipation flow passage; the energy dissipation flow channel is cylindrical, and the radius R of the energy dissipation flow channel is (0.5-2.5). d.v2And R is more than or equal to d, wherein d is the inner diameter of the water inlet pipe.
4. A pressure flow energy and suspension cut-off device according to claim 1, wherein the communicating channel is rectangular and has a cross-sectional area S greater than or equal to 0.5. pi. d2(ii) a Or the communicating pore canal is circular, and the diameter D of the pore canal is (1.4-2) D, wherein D is the inner diameter of the water inlet pipe.
5. A pressure flow energy dissipation and suspension cut-off device as claimed in claim 1, wherein the effective residence time t of the suspension settling zone is greater than or equal to 2 min.
6. The device for intercepting energy dissipation and suspension of pressure flow as claimed in claim 1, wherein the water outlet pipe adopts gravity to flow water, the inner diameter d1 of the water outlet pipe is more than or equal to 2.5d, d1 of the water outlet pipe is more than or equal to 300mm, and the gradient is more than or equal to 1 per thousand and less than or equal to i and less than or equal to 10 per thousand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173906.1U CN209900777U (en) | 2019-01-31 | 2019-01-31 | Pressure flow energy dissipation and suspended matter intercepting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173906.1U CN209900777U (en) | 2019-01-31 | 2019-01-31 | Pressure flow energy dissipation and suspended matter intercepting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209900777U true CN209900777U (en) | 2020-01-07 |
Family
ID=69030137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920173906.1U Active CN209900777U (en) | 2019-01-31 | 2019-01-31 | Pressure flow energy dissipation and suspended matter intercepting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209900777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999540A (en) * | 2019-01-31 | 2019-07-12 | 中冶华天工程技术有限公司 | The method and device that pressure current energy dissipating and suspended matter shut off |
-
2019
- 2019-01-31 CN CN201920173906.1U patent/CN209900777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999540A (en) * | 2019-01-31 | 2019-07-12 | 中冶华天工程技术有限公司 | The method and device that pressure current energy dissipating and suspended matter shut off |
| CN109999540B (en) * | 2019-01-31 | 2024-02-09 | 中冶华天工程技术有限公司 | Method and device for dissipating energy of pressure flow and intercepting suspended matters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103726570A (en) | Spiral-flow type hydraulically controlled rainwater intercepting and abandoning switch well system | |
| CN209900777U (en) | Pressure flow energy dissipation and suspended matter intercepting device | |
| CN203755424U (en) | Spiral-flow type hydraulic control rainwater intercepting and abandoning switching well system | |
| CN106039776A (en) | Novel combined sedimentation tank | |
| CN215250294U (en) | Urban overflow sewage treatment system | |
| CN108946988B (en) | Double-helix sedimentation tank suitable for rural surface runoff suspended solid desorption | |
| CN204447426U (en) | One is vertical sedimentation basin at the uniform velocity | |
| CN203855454U (en) | Novel wetland punching and water distribution pipe | |
| CN203154885U (en) | V-shaped sedimentation tank | |
| CN109999540B (en) | Method and device for dissipating energy of pressure flow and intercepting suspended matters | |
| CN215195544U (en) | High-efficient sedimentation tank pipe chute | |
| CN107952263B (en) | Self-adaptive hydrocyclone sand settling method for large turbidity change | |
| CN203782858U (en) | Inspection well capable of smoothly draining sewage | |
| CN202785800U (en) | Calcified sludge discharge system | |
| CN203845911U (en) | Multi-medium biological contact vertical composite underflow artificial wetland | |
| CN212076571U (en) | Anti-clogging subsurface flow wetland | |
| CN203668087U (en) | Combined flocculation and sedimentation tank | |
| CN203253210U (en) | Power plant wastewater recycling and reusing device | |
| CN202446866U (en) | Sloping plate precipitating equipment | |
| CN207016579U (en) | A kind of rainwater precipitates filter | |
| CN105384206A (en) | Defoaming method of coal chemical-industrial wastewater | |
| CN205903667U (en) | Novel combined type sedimentation tank | |
| CN203971477U (en) | The detention tank that contains modified pipeline | |
| CN204803167U (en) | Magnetic treatment who takes backwash function hinders dirty device | |
| CN216986431U (en) | Rapid precipitation and clarification integrated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |