CN112663773A - Comprehensive water storage irrigation system for sponge city - Google Patents
Comprehensive water storage irrigation system for sponge city Download PDFInfo
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- CN112663773A CN112663773A CN202011486918.3A CN202011486918A CN112663773A CN 112663773 A CN112663773 A CN 112663773A CN 202011486918 A CN202011486918 A CN 202011486918A CN 112663773 A CN112663773 A CN 112663773A
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Abstract
The utility model provides a comprehensive retaining irrigation system in sponge city, includes rainwater permeable formation, main cistern and vice cistern, main cistern be located the below of rainwater permeable formation, the inside lane slope that is equipped with of main cistern, the lane slope in be equipped with the first pipeline and the second pipeline that the slope was placed, first pipeline and second pipeline on be equipped with first water valve and second water valve respectively. The comprehensive water storage irrigation system is provided with the three-stage water storage tank, so that the water storage amount is improved, and meanwhile, rainwater collected in a sponge city is effectively utilized; the whole comprehensive water storage irrigation system adopts feedback regulation: the working states of the water valve and the drainage pump are controlled through the feedback of the liquid level sensor, and the purpose of automatic adjustment is achieved.
Description
Technical Field
The invention belongs to the technical field of sponge city construction, and particularly relates to a comprehensive water storage irrigation system for a sponge city.
Background
The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city. The international general term is 'low-impact development of rainwater system construction', water absorption, water storage, water seepage and water purification work are carried out when raining, and stored water is released and utilized as required, so that rainwater can freely migrate in cities. From the ecological system service, the water ecological infrastructure is constructed through cross-scale construction and is constructed by combining various specific technologies, and the water ecological infrastructure is the core of a sponge city.
Disclosure of Invention
The invention aims to provide a comprehensive water storage irrigation system for a sponge city, which comprises a rainwater penetration layer, a main reservoir and an auxiliary reservoir, wherein the main reservoir is positioned below the rainwater penetration layer; a separation baffle is arranged in the auxiliary reservoir, the separation baffle divides the auxiliary reservoir into a lower half cavity and an upper half cavity, the first pipeline is communicated with the lower half cavity, the second pipeline is communicated with the upper half cavity, and the maximum height of water stored in the upper half cavity is higher than that of the second pipeline; a first liquid level sensor, a second liquid level sensor and a third liquid level sensor are respectively arranged in the main reservoir, the lower half cavity and the upper half cavity, the first liquid level sensor is connected with a first water valve, and the second liquid level sensor is connected with a second water valve; the upper half cavity is connected with a river through a drainage device, and the drainage device is connected with a third liquid level sensor.
Furthermore, the rainwater permeable layer comprises a green planting layer, a gravel packing layer, a buffer layer, a permeable layer and a water storage layer.
Furthermore, a geomembrane is arranged between the water storage layer and the main water storage tank, and a plurality of water dripping holes are formed in the geomembrane.
Furthermore, the main reservoir, the lower half cavity and the upper half cavity are all connected with a water outlet device, and the water outlet device comprises a water outlet pipeline and a water outlet pump arranged on the water outlet pipeline.
Furthermore, an independent ozone contact pool is arranged in the lower half cavity.
Furthermore, the drainage device comprises a drainage pipeline and a drainage pump arranged on the drainage pipeline, and the drainage pump is connected with the third liquid level sensor.
Furthermore, the drainage pump can pump the water in the upper half cavity into the river and can also pump the water in the river into the upper half cavity.
Has the advantages that: the invention discloses a comprehensive water storage irrigation system for a sponge city, which is provided with a three-stage reservoir, so that rainwater collected by the sponge city is effectively utilized while the water storage capacity is improved; the whole comprehensive water storage irrigation system adopts feedback regulation: the working states of the water valve and the drainage pump are controlled through the feedback of the liquid level sensor, so that the aim of automatic adjustment is fulfilled; in addition, the comprehensive water storage irrigation system also has water emergency measures: the emergency water is extracted from the river for use, and as the maximum height of the water which can be stored in the upper half cavity is higher than that of the second pipeline, when the water in the upper half cavity reaches a certain amount, the water automatically flows into the main reservoir from the upper half cavity for use.
Drawings
FIG. 1 is a schematic diagram of the construction of an integrated impounded water irrigation system for a sponge city;
in the figure: 1. the water storage layer 16, the geomembrane 2, the main reservoir 21, the lane dividing slope 211, the first pipeline 212, the second pipeline 213, the first water valve 214, the second water valve 22, the first liquid level sensor 3, the auxiliary reservoir 31, the lower half cavity 311, the second liquid level sensor 32, the upper half cavity 321, the third liquid level sensor 33, the separation baffle 4, the drainage device 41, the drainage pipeline 42, the drainage pump 5, the water outlet device 51, the water outlet pipeline 52, the water outlet pump 52, the green planting layer 12, the gravel packing layer 13, the buffer layer 14, the permeable layer 15, the water storage layer 15, the geomembrane 2, the main reservoir 21, the lane dividing slope
Detailed description of the preferred embodiments
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the following examples and the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, a comprehensive impounded water irrigation system in sponge city, including rainwater permeable formation 1, main cistern 2 and vice cistern 3, rainwater permeable formation 1 plant layer 11, rubble packing layer 12, buffer layer 13, permeable formation 14 and water storage layer 15 including green, main cistern 2 be located the below of rainwater permeable formation 1, be equipped with geomembrane 16 between water storage layer 15 and the main cistern 2, geomembrane 16 on be equipped with a plurality of drip hole.
A lane-dividing slope 21 is arranged in the main reservoir 2, a first pipeline 211 and a second pipeline 212 which are obliquely arranged are arranged in the lane-dividing slope 21, and a first water valve 213 and a second water valve 214 are respectively arranged on the first pipeline 211 and the second pipeline 212; a separation baffle 33 is arranged in the auxiliary reservoir 3, the separation baffle 33 separates the auxiliary reservoir 3 into a lower half cavity 31 and an upper half cavity 32, the first pipeline 211 is communicated with the lower half cavity 31, the second pipeline 212 is communicated with the upper half cavity 32, and the maximum height of the water stored in the upper half cavity 32 is higher than that of the second pipeline 212; a first liquid level sensor 22, a second liquid level sensor 311 and a third liquid level sensor 312 are respectively arranged in the main reservoir 2, the lower half cavity 31 and the upper half cavity 32, the first liquid level sensor 22 is connected with a first water valve 213, and the second liquid level sensor 311 is connected with a second water valve 214; the upper half chamber 32 is connected to the river through the drainage device 4, the drainage device 4 includes a drainage pipeline 41 and a drainage pump 42 installed on the drainage pipeline 41, the drainage pump 42 is connected to the third liquid level sensor 321, and the drainage pump 42 can pump the water in the upper half chamber 32 into the river or the water in the river into the upper half chamber.
In this embodiment, the main reservoir 2, the lower half chamber 31 and the upper half chamber 32 are all connected to the water outlet device 5, the water outlet device 5 includes a water outlet pipe 51 and a water outlet pump 52 installed on the water outlet pipe 51, and an independent ozone contact tank (not shown) is further disposed in the lower half chamber 31.
The working condition is as follows: when the water amount in the main reservoir 2 exceeds the first liquid level sensor 22, the first liquid level sensor 22 controls the first water valve 213 to open, and the excessive water amount in the main reservoir 2 flows into the lower half cavity 31 from the first pipeline 211; when the second liquid level sensor 311 is exceeded in the lower half cavity 31, the second liquid level sensor 311 controls the second water valve 214 to be opened, and the excessive water in the main reservoir 2 flows into the upper half cavity 32 from the second pipeline 212; when the third liquid level sensor 321 is exceeded in the upper chamber half 32, the third liquid level sensor 321 controls the drainage pump 42 to be opened, and the water in the upper chamber half 32 flows into the river from the drainage pipe 41.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The comprehensive water storage irrigation system for the sponge city is characterized by comprising a rainwater penetration layer, a main reservoir and an auxiliary reservoir, wherein the main reservoir is positioned below the rainwater penetration layer; a separation baffle is arranged in the auxiliary reservoir, the separation baffle divides the auxiliary reservoir into a lower half cavity and an upper half cavity, the first pipeline is communicated with the lower half cavity, the second pipeline is communicated with the upper half cavity, and the maximum height of water stored in the upper half cavity is higher than that of the second pipeline; a first liquid level sensor, a second liquid level sensor and a third liquid level sensor are respectively arranged in the main reservoir, the lower half cavity and the upper half cavity, the first liquid level sensor is connected with a first water valve, and the second liquid level sensor is connected with a second water valve; the upper half cavity is connected with a river through a drainage device, and the drainage device is connected with a third liquid level sensor.
2. The integrated impounded water irrigation system for sponge cities as claimed in claim 1 wherein the rain water permeable layers comprise green plants, gravel packing layers, buffer layers, permeable layers and aquifers.
3. The comprehensive impounded water irrigation system of the sponge city as claimed in claim 2 wherein a geomembrane is disposed between the impoundment layer and the main impoundment layer, said geomembrane having a plurality of weep holes.
4. The integrated impounded water irrigation system for sponge cities as claimed in claim 1 wherein the main impounded water reservoir, the lower cavity and the upper cavity are all connected with an effluent device comprising an effluent conduit and an effluent pump mounted on the effluent conduit.
5. The integrated impounded water irrigation system for sponge cities as claimed in claim 1 wherein an independent ozone contact tank is further provided in the lower cavity.
6. The integrated impounded water irrigation system for the sponge city as recited in claim 1, wherein the drainage means comprises a drainage pipeline and a drainage pump mounted on the drainage pipeline, the drainage pump being connected to the third level sensor.
7. The comprehensive impounded water irrigation system for the sponge city as claimed in claim 6 wherein the drainage pump can pump the water in the upper half cavity into the river and also can pump the water in the river into the upper half cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486918.3A CN112663773A (en) | 2020-12-16 | 2020-12-16 | Comprehensive water storage irrigation system for sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486918.3A CN112663773A (en) | 2020-12-16 | 2020-12-16 | Comprehensive water storage irrigation system for sponge city |
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| Publication Number | Publication Date |
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| CN112663773A true CN112663773A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011486918.3A Pending CN112663773A (en) | 2020-12-16 | 2020-12-16 | Comprehensive water storage irrigation system for sponge city |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216357A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Drainage pipeline tail end backflow prevention linkage system and construction method thereof |
-
2020
- 2020-12-16 CN CN202011486918.3A patent/CN112663773A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216357A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Drainage pipeline tail end backflow prevention linkage system and construction method thereof |
| CN113216357B (en) * | 2021-04-19 | 2022-07-15 | 长安大学 | Drainage pipeline tail end backflow prevention linkage system and construction method thereof |
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