CN113931287A - Rainwater storage regulating structure of sponge lake body and emission control process of rainwater storage regulating structure - Google Patents
Rainwater storage regulating structure of sponge lake body and emission control process of rainwater storage regulating structure Download PDFInfo
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- CN113931287A CN113931287A CN202111250380.0A CN202111250380A CN113931287A CN 113931287 A CN113931287 A CN 113931287A CN 202111250380 A CN202111250380 A CN 202111250380A CN 113931287 A CN113931287 A CN 113931287A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 10
- 210000000476 body water Anatomy 0.000 claims abstract description 16
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 239000007788 liquid Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 239000000356 contaminant Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002993 sponge (artificial) Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The invention provides a rainwater storage regulating structure of a sponge lake body and a discharge control process thereof, which relate to the technical field of sponge city construction and comprise a lake body water outlet pipe culvert, a first gate shaft, a second gate shaft and a drainage channel connecting pipe culvert which are sequentially communicated, wherein: a first gate is arranged in the first gate well, the first gate is positioned at the inlet of the first gate well, and the bottom of the first gate well is provided with a mud settling groove; a second gate is arranged in the second gate well, the second gate is arranged at the inlet of the second gate well, and the bottom of the second gate well is provided with an energy dissipation groove; the invention has the advantages that the problem that the sponge lake body meets the requirement of sponge regulation and storage can be effectively solved, and simultaneously, the flood peak flow of an overflow structure is controlled, so that the excessive rainwater can be prevented from damaging the tail end overflow facility of the lake body, and the safety of a downstream drainage channel is not influenced.
Description
Technical Field
The invention relates to the technical field of sponge city construction, in particular to a rainwater storage regulating structure of a sponge lake body and a drainage control process thereof.
Background
In recent years, a series of changes such as high hardened pavement proportion, lake wetland encroachment, river and lake original ecology damage, water body pollutant increase and the like brought by urbanization cause urban hydrologic cycle and water ecology change, and finally cause frequent urban flood and area source pollution aggravation. Under the large background, with the proposal of sponge city concepts and the change of thinking of the country in city development, the construction of water environment ecological engineering is concerned, various artificial wetlands such as grass planting ditches, rain water gardens, sunken greenbelts and the like and sponge water body landscapes are constructed, and the quality of the human-living water environment is greatly improved.
The sponge city does not replace the traditional drainage system with a brand-new system, but performs the natural functions to the maximum extent by reducing the load and supplementing the traditional drainage system. The exertion of such effects is dependent on the protection of natural sponges during urban construction and the simultaneous construction and maintenance of "artificial sponges" with the construction project.
The engineering "sponge" technical means can be divided into several categories such as penetration, storage, regulation, transfusion, pollutant interception and purification according to the main functions. Through the combined application of various technologies, the goals of runoff total amount control, runoff peak value control, runoff pollution control, rainwater resource utilization and the like can be realized. This series of "treatment" can effectively reduce the runoff. On the other hand, however, the effectiveness of contaminant removal is limited because of the very limited amount of contaminant load available, i.e., the target contaminant that can be removed by a particular contaminant removal process or pathway of the infrastructure.
The sponge lake body which carries out spongy upgrading and reconstruction on the original natural wetlands such as ponds, lakes, rivers and the like can effectively reduce the total runoff quantity, the runoff pollution and the peak flow in a larger area, has the functions of adjusting the flood in the area and maintaining the biodiversity, and is an important component of the waterlogging prevention and treatment system for sponge city construction.
Most of the sponge lakes are immediate facilities for rainwater storage (the high peak flow of rainwater runoff is temporarily stored in the immediate facilities, and the rainwater is slowly discharged from the sponge lakes after the maximum flow is reduced), so that the stormy runoff exceeding the designed storage capacity is easy to occur in the seasons with abundant rainfall.
Disclosure of Invention
The invention aims to provide a rainwater storage structure of a sponge lake body and a discharge control process thereof, which aim to solve the technical problem that storm runoff exceeding the designed storage volume is easy to occur in seasons with abundant rainfall because most sponge lake bodies are immediate facilities for rainwater storage (the peak flow of rainwater runoff is temporarily stored in the sponge lake body, and rainwater is slowly discharged from the sponge lake after the maximum flow is reduced). The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a rainwater storage structure of a sponge lake body, which comprises a lake body water outlet pipe culvert, a first gate shaft, a second gate shaft and a drainage channel connecting pipe culvert, wherein the lake body water outlet pipe culvert, the first gate shaft, the second gate shaft and the drainage channel connecting pipe culvert are sequentially communicated, and the drainage channel connecting pipe culvert comprises:
a first gate is arranged in the first gate well, the first gate is positioned at the inlet of the first gate well, and the bottom of the first gate well is provided with a mud settling tank;
a second gate is arranged in the second gate well, the second gate is arranged at the inlet of the second gate well, and the bottom of the second gate well is provided with an energy dissipation groove;
an attached wall is arranged between the first gate well and the second gate well, and an overflow hole is formed in the attached wall.
Preferably, also include switch board and level sensor, wherein:
the liquid level sensor is installed on the lake bottom and connected with the control cabinet and used for sending a water level signal to the control cabinet.
Preferably, the gate hoist further comprises a first gate hoist and a second gate hoist, wherein:
the first gate hoist is connected with a first gate, and the second gate hoist is connected with a second gate;
the first gate hoist and the second gate hoist are both connected with the control cabinet.
Preferably, the inner bottom of the drainage channel connecting pipe culvert is level with the top of the energy dissipation groove, the inner bottom of the lake body water outlet pipe culvert is level with the top of the mud sinking groove, and the height of the inner bottom of the drainage channel connecting pipe culvert is lower than that of the inner bottom of the lake body water outlet pipe culvert.
Preferably, the lake body water outlet pipe culvert is provided with a water drainage slope.
Preferably, the top of first gate well with the second gate well all is provided with steel cover plate, steel cover plate's bottom sets up the access hole.
Preferably, the safety barrier is arranged at the top of the first gate well and the second gate well.
The emission control process of the rainwater storage structure of the sponge lake body comprises the following steps:
s1: the liquid level sensor arranged at the bottom of the lake sends a water level signal to the intelligent control cabinet, and the intelligent control cabinet controls the first gate hoist and the second gate hoist through the water level signal so as to automatically control the first gate and the second gate to be hoisted and hoisted;
s2: in the Xingli mode, the first gate is in a normally open state under normal working conditions, and the ecologically purified rainwater reaching the standard overflows to a downstream drainage channel through an overflow hole arranged above the second gate;
s3: in the storage adjusting mode, when a rainy season comes, when the water level of the lake body rises to the position above the overflow hole, the first gate is set to be in a closed state, and the second gate is opened at the same time;
s4: when the water level of the lake body reaches the highest water regulation storage level or the downstream has flood discharge conditions, opening the first gate to open the flood, closing the second gate after the water level of the lake body is reduced to the designed normal water level, and switching to the interest-increasing mode;
s5: and repeating the steps S2-S4.
Preferably, the water level signal includes: a normal water level signal, an overflow water level signal, a rising and regulating water level signal and a highest regulating water level signal.
The invention provides a rainwater storage structure of a sponge lake body and a discharge control process thereof, wherein the sequentially communicated lake body water outlet pipe culvert, a first gate shaft, a second gate shaft and a drainage channel connecting pipe culvert are arranged, and overflow holes above a wall attaching wall are arranged in a matched manner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic plan view of a rainwater storage structure of a sponge lake body according to the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1;
fig. 4 is a schematic sectional structure view of C-C of fig. 1.
In the figure: 1. a first gate well; 2. a second gate shaft; 31. a first gate; 32. a second gate; 4. designing a ground; 5. a sludge settling tank; 6. an energy dissipation groove; 7. a lake body water outlet pipe culvert; 8. the drainage channel is connected with a pipe culvert; 9. an overflow aperture; 10. a wall-attached wall; 11. a steel cover plate; 12. an access hole; 13. a safety rail; 14. climbing ladder steps; 20. a control cabinet; 201. a liquid level sensor; 301. a first gate hoist; 302. a second gate hoist; 2011. a normal water level; 2012. an overflow water level; 2013. starting to adjust the water level; 2014. the highest water storage level.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides a rainwater storage structure of a sponge lake body, and fig. 1 is a schematic structural diagram of the embodiment, and as shown in fig. 1, the rainwater storage structure comprises a lake body water outlet pipe culvert 7, a first gate shaft 1, a second gate shaft 2 and a drainage channel connecting pipe culvert 8 which are sequentially communicated and arranged.
Fig. 2 is a schematic sectional view of a-a of fig. 1, and as shown in fig. 2, a first gate 31 is arranged inside the first gate shaft 1, the first gate 31 is located at an inlet of the first gate shaft 1, a mud basin 5 is arranged at the bottom of the first gate shaft 1, and the mud basin is arranged at the bottom of the first gate shaft, so that impurities such as mud in sewage can be collected, and the discharged rainwater can be purified;
a second gate 32 is arranged in the second gate well 2, the second gate 32 is arranged at the inlet of the second gate well 2, the bottom of the second gate well 2 is provided with an energy dissipation groove 6, and the structure is protected to a certain extent by arranging the energy dissipation groove 6 at the bottom of the second gate well 2, so that the service life of the whole structure can be prolonged;
an attached wall 10 is arranged between the first gate well 1 and the second gate well 2, an overflow hole 9 is formed in the attached wall 10, and when the gate is used, the first gate 31 and the second gate 32 are controlled to be opened and closed through the cooperation of the overflow hole 9, so that different working modes can be switched.
Specifically, in the normal working condition improvisation mode, the first gate 31 is in a normally open state, and the ecologically purified rainwater reaching the standard overflows to a downstream drainage channel through an overflow hole 9 arranged above the auxiliary wall 10 of the second gate 32;
when the rainy season comes, when the water level of the lake body rises to the position above the overflow hole 9, the first gate 31 is closed, and meanwhile, the second gate 32 is opened to switch to the storage regulation mode;
when the water level of the lake body reaches the highest water regulation and storage level 2014 or the downstream has flood discharge conditions, the first gate 31 is opened to open the flood, and after the water level of the lake body is reduced to the design normal water level, the second gate 32 is closed to switch to the interest-increasing mode;
when the lake body needs emptying maintenance, the first gate 31 and the second gate 32 can be opened simultaneously.
Adopt the rainwater regulation structure of this sponge lake body, set up the lake body that communicates in proper order and go out water pipe culvert 7, first gate well 1, second gate well 2 and walk and let out passageway connecting pipe culvert 8, the cooperation sets up overflow hole 9 that attaches the wall 10 top, control first gate 31 and second gate 32 as required during the use, can effectively solve the sponge lake body when satisfying the sponge regulation requirement, carry out the management and control to the peak flood flow of overflow structure, thereby can make the rainwater that exceeds standard, neither damage the terminal overflow facility of lake body, do not influence the safety of the passageway of letting out of going down again.
As an optional implementation mode, the device further comprises a control cabinet 20 and a liquid level sensor 201, wherein the liquid level sensor 201 is installed at the bottom of the lake, the control cabinet 20 sets the lake body control water level in sections according to requirements, the control cabinet 20 is connected with the control cabinet 20 through the liquid level sensor 201 and used for sending a water level signal to the control cabinet 20, and the control cabinet 20 and the liquid level sensor 201 are arranged to enable the device to realize automatic control.
Fig. 3 is a schematic sectional structure view of B-B in fig. 1, fig. 4 is a schematic sectional structure view of C-C in fig. 1, as shown in fig. 3 and fig. 4, when the system works, the liquid level sensor 201 is arranged at the bottom of a lake, and is used for sending a normal water level 2011 signal, an overflow water level 2012 signal, a starting water level 2013 signal and a highest water level 2014 signal to the intelligent control cabinet 20 through the liquid level sensor 201, and the intelligent control cabinet 20 controls the opening and closing machine through the water level signals, so that the opening and closing of the gate is automatically controlled.
As an optional implementation manner, the system further comprises a first gate hoist 301 and a second gate hoist 302, wherein the first gate hoist 301 is connected with the first gate 31, and the second gate hoist 302 is connected with the second gate 32; the first gate hoist 301 and the second gate hoist 302 are both connected to the control cabinet 20, and specifically, in this embodiment, the control lines of the first gate hoist 301 and the second gate hoist 302 are connected to the intelligent control cabinet, so as to automatically control the first gate hoist 301 and the second gate hoist 302, thereby realizing automatic control of the first gate 31 and the second gate 32.
As an alternative embodiment, the inner bottom of the drainage channel connecting pipe culvert 8 is level with the top of the energy dissipation groove 6, the inner bottom of the lake body water outlet pipe culvert 7 is level with the top of the mud sinking groove 5, and the height of the inner bottom of the drainage channel connecting pipe culvert 8 is lower than that of the inner bottom of the lake body water outlet pipe culvert 7. Specifically, the lake body water outlet pipe culvert 7 is provided with a water drainage slope.
Preferably, the top of the first gate shaft 1 and the second gate shaft 2 are both provided with a steel cover plate 11, and the bottom of the steel cover plate 11 is provided with a manhole 12. Specifically, still include safety barrier 13, safety barrier 13 sets up in the top of first gate well 1 and second gate well 2.
The installation mode from bottom to top is adopted, the first gate shaft 1 and the second gate shaft 2 of reinforced concrete and auxiliary facilities thereof are completed in a subsection mode, the auxiliary facilities comprise a safety railing 13, a steel cover plate 11, a ladder step 14, a mud sinking groove 5 and an energy dissipation groove 6, during installation, the inner bottom of the end, connected with the first gate shaft 1, of the lake body water outlet pipe culvert 7 is parallel to the top of the mud sinking groove 5, the inner bottom of the end, connected with the second gate shaft 2, of the parallel drainage channel connecting pipe culvert 8 is parallel to the top of the energy dissipation groove 6, an overflow hole 9 is formed in the water level line of the overflow water level 2012 above the wall attachment 10, the hole skin of the overflow hole 9 is parallel to the water level line of the overflow water level 2012, and the upper skin is parallel to the water level line of the water level 2013, so that the safety water level is maintained.
The emission control process of the rainwater storage structure of the sponge lake body comprises the following steps:
s1: establish level sensor 201 at the lake bottom and send water level signal to intelligent control cabinet 20, intelligent control cabinet 20 passes through first gate headstock gear 301 of water level signal control and second gate headstock gear 302 to the opening and closing of first gate 31 of automatic control and second gate 32, wherein, water level signal includes: a normal water level 2011 signal, an overflow water level 2012 signal, a starting water regulation level 2013 signal and a highest water regulation level 2014 signal.
S2: in the Xingli mode, the first gate 31 is in a normally open state under normal working conditions, and the ecologically purified rainwater reaching the standard overflows to a downstream drainage channel through an overflow hole 9 arranged above the second gate 32;
s3: in the storage mode, when a rainy season comes, when the water level of the lake body rises to the position above the overflow hole 9, the first gate 31 is set to be in a closed state, and the second gate 32 is opened;
s4: when the water level of the lake body reaches the highest water regulation and storage level or the downstream has flood discharge conditions, the first gate 31 is opened to open the flood, and after the water level of the lake body is reduced to the designed normal water level, the second gate 32 is closed to switch to the interest-increasing mode;
s5: by repeating the steps S2-S4, the problem that the peak flow of the overflow structure is controlled while the sponge lake body meets the requirement of sponge regulation and storage can be effectively solved, and therefore excessive rainwater can be prevented from damaging the tail end overflow facility of the lake body and the safety of a downstream drainage channel is not influenced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The utility model provides a sponge lake body's rainwater regulation structure, its characterized in that, including the lake body play water pipe culvert, first gate well, second gate well and the row of intercommunication setting let out passageway connecting pipe culvert, wherein:
a first gate is arranged in the first gate well, the first gate is positioned at the inlet of the first gate well, and the bottom of the first gate well is provided with a mud settling tank;
a second gate is arranged in the second gate well, the second gate is arranged at the inlet of the second gate well, and the bottom of the second gate well is provided with an energy dissipation groove;
an attached wall is arranged between the first gate well and the second gate well, and an overflow hole is formed in the attached wall.
2. The rainwater storage structure of a sponge lake body according to claim 1, wherein: still include switch board and level sensor, wherein:
the liquid level sensor is installed on the lake bottom and connected with the control cabinet and used for sending a water level signal to the control cabinet.
3. The rainwater storage structure of a sponge lake body according to claim 2, wherein: still include first gate headstock gear and second gate headstock gear, wherein:
the first gate hoist is connected with a first gate, and the second gate hoist is connected with a second gate;
the first gate hoist and the second gate hoist are both connected with the control cabinet.
4. A rainwater storage structure for a sponge lake body according to any one of claims 1 to 3, wherein: the inner bottom of the drainage channel connecting pipe culvert is level with the top of the energy dissipation groove, the inner bottom of the lake body water outlet pipe culvert is level with the top of the mud settling groove, and the height of the inner bottom of the drainage channel connecting pipe culvert is lower than that of the inner bottom of the lake body water outlet pipe culvert.
5. The rainwater storage structure of a sponge lake body according to claim 4, wherein: and the lake body water outlet pipe culvert is provided with a drainage gradient.
6. A rainwater storage structure for a sponge lake body according to any one of claims 1 to 3, wherein: the top of first gate well with the second gate well all is provided with the steel apron, the bottom of steel apron sets up the access hole.
7. The rainwater storage structure of a sponge lake body according to claim 6, wherein: still include safety barrier, safety barrier set up in first gate well with the top of second gate well.
8. A process for controlling the discharge of a rainwater storage structure of a sponge lake as claimed in any one of claims 1 to 7, comprising the steps of:
s1: the liquid level sensor arranged at the bottom of the lake sends a water level signal to the intelligent control cabinet, and the intelligent control cabinet controls the first gate hoist and the second gate hoist through the water level signal so as to automatically control the first gate and the second gate to be hoisted and hoisted;
s2: in the Xingli mode, the first gate is in a normally open state under normal working conditions, and the ecologically purified rainwater reaching the standard overflows to a downstream drainage channel through an overflow hole arranged above the second gate;
s3: in the storage adjusting mode, when a rainy season comes, when the water level of the lake body rises to the position above the overflow hole, the first gate is set to be in a closed state, and the second gate is opened at the same time;
s4: when the water level of the lake body reaches the highest water regulation storage level or the downstream has flood discharge conditions, opening the first gate to open the flood, closing the second gate after the water level of the lake body is reduced to the designed normal water level, and switching to the interest-increasing mode;
s5: and repeating the steps S2-S4.
9. The process of claim 8, wherein the water level signal comprises: a normal water level signal, an overflow water level signal, a rising and regulating water level signal and a highest regulating water level signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111250380.0A CN113931287A (en) | 2021-10-26 | 2021-10-26 | Rainwater storage regulating structure of sponge lake body and emission control process of rainwater storage regulating structure |
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| CN202111250380.0A CN113931287A (en) | 2021-10-26 | 2021-10-26 | Rainwater storage regulating structure of sponge lake body and emission control process of rainwater storage regulating structure |
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