CN221399257U - Sponge urban seepage and drainage system - Google Patents
Sponge urban seepage and drainage system Download PDFInfo
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- CN221399257U CN221399257U CN202323319717.6U CN202323319717U CN221399257U CN 221399257 U CN221399257 U CN 221399257U CN 202323319717 U CN202323319717 U CN 202323319717U CN 221399257 U CN221399257 U CN 221399257U
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- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 239000002351 wastewater Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- 238000009434 installation Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 230000003204 osmotic effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 10
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model discloses a sponge urban infiltration and drainage system, which comprises an infiltration layer, a reservoir, a filtering structure, a drainage unit and a wastewater unit, wherein the drainage unit and the wastewater unit are communicated with the filtering structure; the waste water unit is provided with a sewage branch communicated with the sewage outlet of each filtering structure and a sewage main pipeline for connecting the sewage branches together; the drainage unit is provided with a drainage pipe communicated with the drainage outlet of each filtering structure. The utility model installs the filter cartridge on the upper part of the earth surface to filter the rainwater; the cartridge filter is respectively communicated with the drainage unit and the wastewater unit, filtered rainwater enters the reservoir below through the drainage unit, when impurities in the cartridge filter are more, the cartridge filter can be flushed by the rainwater, and the sewage is discharged into the municipal sewage disposal system through the wastewater unit, so that the blocking condition is effectively avoided.
Description
Technical Field
The utility model relates to the field of urban seepage and drainage, in particular to a sponge urban seepage and drainage system.
Background
Along with the effective water storage area of the urban construction, especially the impervious pavement mainly containing cement prevents the rainfall from penetrating into soil, so that the urban water flood season water treatment is difficult, the effective soil contact area is small in the non-flood season, the soil water locking capacity is limited, the water is tense, even drought is caused, the existing water storage is mainly containing reservoirs, but the ground resources are limited and the water storage capacity is less. In order to avoid flooding, rainwater can be effectively collected, and the design concept of the sponge city is derived.
The sponge city is characterized in that the city has good elasticity in the aspects of adapting to environmental changes, dealing with natural disasters caused by rainwater and the like, and can be also called as a water elasticity city, and the construction thought of the sponge city emphasizes water absorption, water storage, water seepage and water purification during rainfall, and the stored water is released and utilized when needed. The traditional sponge city is provided with an overflow pipe and a reservoir on the ground surface. When encountering rainy days, the rainwater enters the reservoir through the overflow pipe, so that the flood prevention purpose is achieved, the reservoir is connected with a lake or municipal water system, and the filtered rainwater is discharged into the lake or municipal water system. However, when rainwater enters the interior of the reservoir through the overflow pipe, a large amount of garbage such as branches or plastic pollutants is easily carried, and if the garbage directly enters the interior of the reservoir, the garbage tends to pollute the water source in the reservoir.
At present, a common practice is to install a filter screen in an overflow pipe, for example, CN209817034U discloses a water circulation structure of a sponge urban drainage system, which is to design the overflow pipe into a complete pipe structure, and install the filter screen in the outer pipe. However, the structure is adopted to easily cause the blocking condition of the inner pipe in actual use, and on the other hand, the filter screen is extremely easy to damage due to flushing due to the faster rainwater flow rate, and the cost is increased.
Disclosure of Invention
In view of the above, the utility model provides a sponge urban drainage system which not only can avoid blockage, but also can balance the flow rate of filtered rainwater and can shunt the rainwater to a reservoir.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The sponge urban infiltration and drainage system comprises an infiltration layer, a reservoir, a plurality of filtering structures buried in the ground surface, a drainage unit and a wastewater unit, wherein the drainage unit and the wastewater unit are communicated with the filtering structures;
The filter structure comprises a mounting seat, a water inlet pipe and a filter cartridge, wherein the water inlet pipe and the filter cartridge are arranged in the mounting seat, the upper part of the filter cartridge is communicated with the water inlet pipe, the filter cartridge is obliquely arranged from the bottom of the water inlet pipe, the bottom of the filter cartridge is provided with a sewage outlet, and the side wall of the filter cartridge is provided with a water outlet;
The waste water unit is provided with a sewage branch communicated with the sewage outlet of each filtering structure and a sewage main pipeline for connecting the sewage branches together;
the drain unit has a draft tube in communication with the drain opening of each filter structure.
When in actual installation, the top of the installation seat is provided with a water inlet, the water inlet is communicated with a cover plate with holes, and the cover plate is communicated with the water inlet pipe, so that rainwater can enter the filter cartridge; the wastewater unit is connected to the municipal sewage disposal system, so that the impurity sewage disposal municipal sewage disposal system can be ensured when the filter cartridge is washed;
The utility model installs the filter cartridge on the upper part of the earth surface to filter the rainwater; the cartridge filter is respectively communicated with the drainage unit and the wastewater unit, the filtered rainwater enters the reservoir below through the drainage unit, when impurities in the cartridge filter are more, the cartridge filter can be flushed by the rainwater, and the sewage is discharged into the municipal sewage disposal system through the wastewater unit, so that the blocking condition is effectively avoided.
Preferably, the drainage unit further comprises an upper diversion assembly and a lower diversion assembly which are arranged on each diversion pipe, the upper diversion assembly comprises an upper connecting piece and a water inlet joint which are fixedly connected together, the water inlet joint is provided with a water inlet channel, and a first diversion unit is arranged in the water inlet channel; the lower flow dividing assembly comprises a lower connecting piece and a drainage joint which are fixedly connected together, the lower connecting piece is inserted into the upper connecting piece, the lower connecting piece is provided with a first drainage channel communicated with the water inlet channel, the drainage joint is provided with a second drainage channel communicated with the first drainage channel, and a second flow dividing unit is arranged between the first drainage channel and the second drainage channel. The beneficial effects are that: according to the utility model, the upper diversion component and the lower diversion component are arranged on the diversion pipe connected with each filtering structure, so that the diversion effect is realized, and sand in the permeable layer is prevented from falling into the reservoir due to too high rainwater flow rate, thereby improving the filtering efficiency of rainwater and the collecting efficiency of rainwater.
More preferably, the lower part of the water inlet channel is of a step structure, and the first diversion unit comprises a first spring arranged at the lower part of the water inlet channel and a first diversion ball fixedly connected to the top of the first spring; the upper surface of the drainage joint is provided with a groove communicated with the first drainage channel, and the second flow dividing unit comprises a second spring arranged in the groove and a second flow dividing ball fixedly connected to the top of the second spring.
Preferably, a mounting groove is formed in a mounting seat opposite to the filter cartridge, the filter structure further comprises a balance pipe connected with the water outlet and a balance unit arranged in the mounting groove, the balance unit comprises a mounting plate, a water collecting tank fixed on the mounting plate and a movable baffle movably arranged on the other side of the water collecting tank, the movable baffle is arranged opposite to the mounting plate, and the movable baffle is fixed at the bottom of the groove wall of the mounting groove through a third spring; the balance pipe passes through the mounting plate and extends into the water collection tank. According to the utility model, the balance unit is arranged between the filter cartridge and the diversion pipe, so that the rainwater flow velocity is effectively balanced.
Preferably, a control valve is arranged at the bottom of the filter cartridge. In actual operation, the control valve is in a normally closed state, and the control valve is opened when the pollution discharge is needed, so that the pollution discharge is facilitated.
Compared with the prior art, the utility model installs the filter cartridge on the upper part of the ground surface to filter rainwater; the cartridge filter is respectively communicated with the drainage unit and the wastewater unit, the filtered rainwater enters the reservoir below through the drainage unit, when impurities in the cartridge filter are more, the cartridge filter can be flushed by the rainwater, and the sewage is discharged into the municipal sewage disposal system through the wastewater unit, so that the blocking condition is effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of the portion B in fig. 1.
FIG. 4 is a schematic illustration of the connection of the draft tube, upper and lower flow splitting assemblies of the present utility model.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
It should be noted that in the description of the present utility model, relational terms such as "first" and "second", and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In the description of the present utility model, the terms "coupled," "connected," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
As shown in fig. 1-4, the sponge urban infiltration drainage system comprises an infiltration layer 1, a reservoir 2, a plurality of filtering structures 3 buried in the ground, a drainage unit 4 and a wastewater unit, wherein the drainage unit 4 is communicated with the filtering structures 3, and the infiltration layer 1 is a sand filtering layer and can carry out secondary filtration on rainwater;
The filtering structure 3 comprises a mounting seat 3.3, a water inlet pipe 3.1 and a filtering barrel 3.2 which are arranged in the mounting seat 3.3, wherein the upper part of the filtering barrel 3.2 is communicated with the water inlet pipe 3.1, the filtering barrel 3.2 is obliquely arranged from the bottom of the water inlet pipe 3.1, the bottom of the filtering barrel 3.2 is provided with a sewage outlet, and the side wall of the filtering barrel is provided with a water outlet; the waste water unit is provided with a sewage branch 5 communicated with the sewage outlet of each filtering structure 3 and a sewage main pipeline for connecting the sewage branches 5 together; the drainage unit 4 is provided with a flow guide pipe 4.1 communicated with the water outlet of each filtering structure 3, the lower end part of the flow guide pipe 4.1 is positioned in the permeable layer 1, so that filtered rainwater enters the reservoir 2 after being secondarily filtered by the permeable layer 1, and the collection of the rainwater is realized. The utility model installs the filter cartridge 3.2 on the upper part of the earth surface to filter the rainwater; the filter cartridge 3.2 is respectively communicated with the drainage unit 4 and the waste water unit, the filtered rainwater enters the reservoir 2 below through the drainage unit 4, when the impurities in the filter cartridge 3.2 are more, the filter cartridge 3.2 can be flushed by the rainwater, and the sewage is discharged into a municipal sewage disposal system through the waste water unit, so that the blocking condition is effectively avoided.
As can be seen from fig. 1, the top of the mounting seat 3.3 is provided with a water inlet, the water inlet is communicated with a cover plate 3.4 with holes, and the cover plate 3.4 is communicated with the water inlet pipe 3.1, so that rainwater can enter the filter cartridge 3.2; the wastewater unit is connected to the municipal sewage disposal system, so that the impurity sewage disposal municipal sewage disposal system can be ensured when the filter cartridge 3.2 is flushed.
The installation seat 3.3 opposite to the filter cartridge 3.2 is internally provided with an installation groove 3.5, the filter structure 3 also comprises a balance pipe 3.7 connected with the water outlet and a balance unit arranged in the installation groove 3.5, the balance unit comprises an installation plate 3.6a, a water collecting tank 3.6b fixed on the installation plate 3.6a and a movable baffle plate 3.6c movably arranged on the other side of the water collecting tank 3.6b, the movable baffle plate 3.6c is oppositely arranged with the installation plate 3.6a, the movable baffle plate 3.6c is fixed at the bottom of the groove wall of the installation groove 3.5 through a third spring 3.6d, and the movable baffle plate 3.6c, the installation plate 3.6a and the installation groove 3.5 are arranged in a gap; the balancing pipe 3.7 passes through the mounting plate 3.6a and extends into the water collection tank 3.6 b. In the rainfall process, rainwater on the road surface enters the water inlet pipe 3.1, is filtered by the filter cartridge 3.2 and enters the water collecting tank 3.6b through the balance pipe 3.7, the movable baffle 3.6c at one side of the water collecting tank 3.6b is flushed by the rainwater, the movable baffle 3.6c is flushed, and then flows into the guide pipe 4.1 from the gap, so that the flow rate of the rainwater is effectively balanced by the water collecting tank 3.6 b;
As can be seen from fig. 2, a diversion channel 3.8 is disposed at the lower part of the mounting seat 3.3, and the diversion channel 3.8 is connected with the diversion pipe 4.1, so that the filtered rainwater enters the diversion pipe 4.1 through the diversion channel 3.8.
As can be seen from fig. 4, an upper diversion assembly and a lower diversion assembly are arranged on each diversion pipe 4.1, the upper diversion assembly comprises an upper connecting piece (an upper connecting seat 4.2 a) and a water inlet joint 4.2b which are fixedly connected together, the water inlet joint 4.2b is provided with a water inlet channel 4.2e, a first diversion unit is arranged in the water inlet channel 4.2e, the lower part of the water inlet channel 4.2e is of a step structure, and the first diversion unit comprises a first spring 4.2c arranged at the lower part of the water inlet channel 4.2e and a first diversion ball 4.2d fixedly connected to the top of the first spring 4.2 c; the rainwater enters the lower diversion assembly below after being diverted when passing through the first diversion ball 4.2d, so that the diversion ball has a good diversion effect;
The lower diversion assembly comprises a lower connecting piece (namely a lower connecting seat 4.3 a) and a drainage joint 4.3c which are fixedly connected together, the lower connecting seat 4.3a is inserted into the upper connecting seat 4.2a, the lower connecting seat 4.3a is provided with a first drainage channel 4.3b communicated with a water inlet channel 4.2e, the drainage joint 4.3c is provided with a second drainage channel communicated with the first drainage channel 4.3b, and a second diversion unit is arranged between the first drainage channel 4.3b and the second drainage channel; the upper surface of the drainage joint 4.3c is provided with a groove communicated with the first drainage channel 4.3b, and the second flow dividing unit comprises a second spring 4.3d arranged in the groove and a second flow dividing ball 4.3e fixedly connected to the top of the second spring 4.3 d. According to the utility model, the first diversion ball 4.2d and the second diversion ball 4.3e are utilized to divert rainwater, so that the flow rate of the rainwater is slowed down to a certain extent, sand and stone in the permeable layer 1 are effectively prevented from being washed out due to too high rainwater flow rate, sand and stone are further prevented from being washed into the reservoir 2, the rainwater filtering efficiency is improved, and the rainwater collecting efficiency is improved.
In the present utility model, the bottom of the filter cartridge 3.2 is provided with a control valve. When in actual operation, the control valve is in a normally closed state, and the control valve is opened when sewage is required, so that the sewage is conveniently discharged. For control, the control valve is an electric control valve, the control input end of the control valve is electrically connected with the control output end of the controller, and the opening and closing state of the control valve is controlled by the controller. It should be noted that, the controller in the present utility model may be a general purpose processor, a special purpose processor, a conventional processor, a Digital Signal Processor (DSP), a plurality of microprocessors, one or more microprocessors associated with a DSP core, a controller, a microcontroller, an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) circuit, any other type of Integrated Circuit (IC), a state machine, etc., and may also be a PLC (i.e., programmable controller), an industrial personal computer, etc.
When in actual installation, the filter cartridge 3.2 is of a double-layer structure, the inner layer of the filter cartridge is a filter screen, and the filter cartridge flows into the balance pipe 3.7 after being filtered by the filter screen and then enters the guide pipe 4.1; the outlet is located the bottom of cartridge filter 3.2, ensures that the sewage that washes impurity production can get into municipal sewage pipe network through blowdown unit, realizes the periodic cleaning of cartridge filter 3.2.
The working principle and working process of the utility model are as follows: in rainy days, rainwater enters the water inlet pipe 3.1 of each filtering structure 3, then enters the filtering cylinder 3.2, the filtered rainwater enters the water collecting tank 3.6b through the balance pipe 3.7, flushes the movable baffle 3.6c, then flows into the guide pipe 4.1 along the gap between the mounting groove 3.5 and the water collecting tank 3.6b, and is continuously split by utilizing the first guide ball and the second guide ball to slow down the flow speed, and finally enters the reservoir 2 through the permeable layer 1;
When the filter screen needs to be cleaned, the control valve is opened, impurities (such as leaves) in the filter cartridge 3.2 are flushed by rainwater, so that the impurities flow into the pollution discharge branch 5 along with the rainwater, and a small part of the rainwater flows into the balance pipe 3.7, so that the impurities in the filter cartridge 3.2 are cleaned. In actual operation, the filter cartridge 3.2 can be cleaned regularly.
It should be emphasized that the above description is merely a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a sponge city oozes system of arranging, includes osmotic layer and cistern, its characterized in that: the device also comprises a plurality of filtering structures buried in the ground surface, a drainage unit and a wastewater unit, wherein the drainage unit and the wastewater unit are communicated with the filtering structures;
The filter structure comprises a mounting seat, a water inlet pipe and a filter cartridge, wherein the water inlet pipe and the filter cartridge are arranged in the mounting seat, the upper part of the filter cartridge is communicated with the water inlet pipe, the filter cartridge is obliquely arranged from the bottom of the water inlet pipe, the bottom of the filter cartridge is provided with a sewage outlet, and the side wall of the filter cartridge is provided with a water outlet;
The waste water unit is provided with a sewage branch communicated with the sewage outlet of each filtering structure and a sewage main pipeline for connecting the sewage branches together;
the drain unit has a draft tube in communication with the drain opening of each filter structure.
2. The sponge urban drainage system according to claim 1, wherein: the drainage unit further comprises an upper diversion assembly and a lower diversion assembly which are arranged on each diversion pipe, the upper diversion assemblies comprise upper connecting pieces and water inlet joints which are fixedly connected together, the water inlet joints are provided with water inlet channels, and the water inlet channels are internally provided with first diversion units;
The lower flow dividing assembly comprises a lower connecting piece and a drainage joint which are fixedly connected together, the lower connecting piece is inserted into the upper connecting piece, the lower connecting piece is provided with a first drainage channel communicated with the water inlet channel, the drainage joint is provided with a second drainage channel communicated with the first drainage channel, and a second flow dividing unit is arranged between the first drainage channel and the second drainage channel.
3. The sponge urban drainage system according to claim 2, wherein: the lower part of the water inlet channel is of a step structure, and the first flow dividing unit comprises a first spring arranged at the lower part of the water inlet channel and a first flow dividing ball fixedly connected to the top of the first spring;
The upper surface of the drainage joint is provided with a groove communicated with the first drainage channel, and the second flow dividing unit comprises a second spring arranged in the groove and a second flow dividing ball fixedly connected to the top of the second spring.
4. The sponge urban drainage system according to claim 1, wherein: the installation seat opposite to the filter cartridge is internally provided with an installation groove, the filter structure also comprises a balance pipe connected with the water outlet and a balance unit arranged in the installation groove, the balance unit comprises a mounting plate, a water collecting tank fixed on the mounting plate and a movable baffle movably arranged on the other side of the water collecting tank, wherein the movable baffle is arranged opposite to the mounting plate and is fixed at the bottom of the wall of the mounting groove through a third spring; the balance pipe passes through the mounting plate and extends into the water collection tank.
5. The sponge urban drainage system according to claim 1, wherein: the bottom of the filter cartridge is provided with a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323319717.6U CN221399257U (en) | 2023-12-06 | 2023-12-06 | Sponge urban seepage and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323319717.6U CN221399257U (en) | 2023-12-06 | 2023-12-06 | Sponge urban seepage and drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221399257U true CN221399257U (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323319717.6U Active CN221399257U (en) | 2023-12-06 | 2023-12-06 | Sponge urban seepage and drainage system |
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| Country | Link |
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| CN (1) | CN221399257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117604851A (en) * | 2023-12-06 | 2024-02-27 | 机械工业第六设计研究院有限公司 | How to collect rainwater from sponge city roads |
-
2023
- 2023-12-06 CN CN202323319717.6U patent/CN221399257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117604851A (en) * | 2023-12-06 | 2024-02-27 | 机械工业第六设计研究院有限公司 | How to collect rainwater from sponge city roads |
| CN117604851B (en) * | 2023-12-06 | 2026-03-13 | 机械工业第六设计研究院有限公司 | Methods for collecting rainwater from roads in sponge cities |
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