CN210238634U - Rainwater is system and rainwater garden of storing purification on spot - Google Patents
Rainwater is system and rainwater garden of storing purification on spot Download PDFInfo
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- CN210238634U CN210238634U CN201920719512.1U CN201920719512U CN210238634U CN 210238634 U CN210238634 U CN 210238634U CN 201920719512 U CN201920719512 U CN 201920719512U CN 210238634 U CN210238634 U CN 210238634U
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The utility model discloses a system and rainwater garden that rainwater was saved on spot and was purified belongs to artifical groundwater recharge and rainwater processing technology field. The utility model comprises a soil filling layer, a sand filling layer, a water seepage well and a sand well; the lower part of the filling layer is provided with a sand filling layer, the water seepage well and the sand well respectively extend to the aquifer from the lower surface of the sand filling layer, the water seepage well and the sand well are arranged along the direction of the flow direction of the ground water, and the water seepage well is positioned at the upstream of the water flow direction of the sand well. The utility model can store the rainwater to the aquifer on the spot and keep the underground water resource; meanwhile, common pollutants in rainwater are adsorbed and degraded through the rainwater garden, so that the water quality of a water-bearing layer is prevented from being polluted.
Description
Technical Field
The utility model relates to a rainwater processing technology field, more specifically say, relate to a system and rainwater garden that rainwater is saved on spot and is purified.
Background
The method is characterized in that a water-tight ground in a city is increased, the drainage capacity of underground pipelines is limited, the control and treatment difficulty of pollutants is increased, the main mode for controlling the pollutants to enter soil and underground water bodies is to intercept and treat the pollutants in time, urban waterlogging is easily caused due to insufficient drainage capacity of partial areas due to the occurrence of strong precipitation or continuous precipitation, and greening facilities directly planted on the ground are damaged when the land utilization is changed and cannot be reused, so that the urban construction cost is increased.
Through retrieval, the name of the invention is: a sand trap (application number: 201720731261.X, application date: 2017.06.22) arranged in combination with a biological retention zone comprises a sand trap body, wherein one side of the sand trap body is provided with a curb penetrating through the sand trap body so as to divide the sand trap body into a front well body and a rear well body, the bottom of the part of the curb in the sand trap body is provided with a communication port enabling the front well body to be communicated with the rear well body, one side of the curb in the rear well body is provided with the biological retention zone capable of wrapping the rear well body in the curb, and the wall of the rear well body is provided with a brick water permeable body capable of enabling rainwater in the rear well body to permeate into a soil layer in the biological retention zone. The utility model discloses a grit chamber carries out the preliminary treatment to the little runoff rainwater of initial stage earlier, then recycles biological detention area and filters the purification to the comparatively clean rainwater in later stage, has avoided the pollution of initial stage rainwater to biological detention area, but still does not solve the problem that the rainwater was stored, can't carry out the recharge to the rainwater and utilize.
In addition, the invention is created as follows: a rainwater collecting and utilizing system for a concave greenbelt (application number: 201621364951.8, application date: 2016.12.13) comprises a primary rainwater collecting system, a concave greenbelt rainwater collecting system and a ground electronic monitoring system which are respectively arranged below a road surface, wherein the primary rainwater collecting system is communicated with the concave greenbelt rainwater collecting system through a seepage pipe, the primary rainwater collecting system is a water-permeable cobble road surface, a water inlet pipe, a rainwater grate, a rainwater sand trap and the like which are sequentially arranged from left to right and are sequentially reduced in height, and the concave greenbelt rainwater collecting system comprises a water-permeable curbstone, a concave greenbelt with the gradient of 3% -5% and a rainwater collecting system.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model discloses in to prior art, can't carry out the not enough of quick storage and purification to the rainwater, provide a rainwater system and rainwater garden of saving purification on the spot, through utilizing infiltration well and sand well, play certain delay, store up and the purification effect to the rainwater to can reach the effect of cutting down the pollution, adjusting the heat source.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model relates to a system for storing and purifying rainwater on site, which comprises a soil filling layer, a sand filling layer, a water seepage well and a sand well; the lower part of the filling layer is provided with a sand filling layer, the water seepage well and the sand well extend to the aquifer from the lower surface of the sand filling layer respectively, the water seepage well and the sand well are arranged along the direction of the flow direction of underground water, and the water seepage well is positioned at the upstream of the water flow direction of the sand well.
Preferably, the monitoring well is further included, the wellhead of the monitoring well is higher than the ground, the monitoring well extends to the aquifer from the wellhead, and the monitoring well is located at the downstream of the sand well underground water flowing direction water flow direction.
Preferably, the number of the sand wells is larger than that of the water seepage wells, and the sand wells are sequentially arranged along the direction of the groundwater flow by taking the water seepage wells as a base point.
Preferably, the infiltration well includes the infiltration well body, infiltration pipeline and fine sand bed, and the infiltration well body is provided with infiltration pipeline by filling sand layer lower surface to water-bearing stratum, and infiltration pipeline sets up along the length direction of the infiltration well body, fine sand bed set up between infiltration well internal wall and infiltration pipeline.
Preferably, the radial depth of the sand well is L1, the radial depth of the water seepage well is L2, L1 is more than L2, and the distance from the bottom of the water seepage well to the aquifer is larger than that from the bottom of the sand well to the aquifer.
Preferably, the top of the monitoring well is provided with a well cover.
Preferably, the bottom of the monitoring well is provided with a water quality monitor.
Preferably, the bottom of monitoring well is provided with the water pump, can be used to the landscape water retrieval and utilization.
Preferably, the sand well is internally provided with backfill sand, and the particle size of the backfill sand is 1-3 mm.
The utility model discloses a rainwater garden with rainwater storage clean system, including rainwater garden body and storage clean system, storage clean system set up in the bottom of rainwater garden body, and storage clean system is foretell rainwater system of storing purification on the spot.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following apparent effect:
(1) the utility model discloses a system for rainwater is saved on spot and is purified, including infiltration well and sand pit, the rainwater is saved in the aquifer of rainwater garden bottom on the spot, and recycling system sets up in the monitoring well. The rainwater is primarily filtered by the rainwater garden, then is laterally supplied by the water seepage well and enters the aquifer for storage, common pollutants in the rainwater are adsorbed and degraded by the sand well, and the rainwater is safely stored in the aquifer after being ecologically treated, so that the rainwater can be recycled for life, production and agriculture;
(2) the utility model discloses a system for rainwater is saved and is purified on spot, infiltration well include the fine sand layer, are provided with the fine sand in the fine sand layer, can prevent rainwater from upwards migrating, infiltration well and fine sand layer mutually support, thus accelerate infiltration of rainwater, make rainwater infiltrate into and enter the aquifer fast and store, has still improved the rainfall infiltration rate; furthermore, the fine sand layer can play a buffering role in rainfall runoff, remove pollutants in the rainfall runoff and avoid pollution to a water-bearing layer.
Drawings
FIG. 1 is a sectional view of a rainwater on-site storage and purification system according to the present invention;
FIG. 2 is a schematic configuration view of a rainwater garden and a system for on-site storage and reuse of rainwater according to embodiment 1;
FIG. 3 is a schematic view of the structure of the groundwater flow direction of the present invention;
fig. 4 is a schematic structural view of the water seepage well of the present invention.
The reference numerals in the schematic drawings illustrate:
100. a water seepage well; 110. a seepage well body; 120. a water seepage pipeline; 121. a drainage section; 122. filtering with a screen; 123. a seepage section; 130. a fine sand layer;
200. a sand well; 201. a sand well II;
300. filling a soil layer;
400. filling a sand layer;
500. a monitoring well; 510. a well cover;
600. flow direction of groundwater; 610. a aquifer; 620. planting a soil layer; 630. and (5) artificial filler layers.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like, referred to in the present specification, are used for clarity of description only, and are not used to limit the implementable scope, and changes or adjustments of the relative relationship thereof are also regarded as the implementable scope of the present invention without substantial changes in the technical content; in addition, the embodiments of the present invention are not independent of each other, but can be combined.
Example 1
As shown in fig. 1, the utility model discloses a system for rainwater is saved and is purified on spot (hereinafter abbreviated as rainwater processing system), including filler layer 300, sand-packed bed 400, infiltration well 100 and sand well 200, wherein the lower part of filler layer 300 is provided with sand-packed bed 400, and filler layer 300 mainly used filters the solid suspended solid in the rainwater runoff, and the well head setting of infiltration well 100 and sand well 200 is in the bottom of sand-packed bed 400.
The water seepage well 100 and the sand well 200 of the embodiment respectively extend from the lower surface of the sand-filled layer 400 to the upper part of the aquifer, and the water seepage well 100 and the sand well 200 are both arranged at the bottom of the same rainwater garden. Wherein the water seepage well 100 and the sand well 200 are arranged along the direction of the groundwater flow direction 600 (as shown in fig. 3), and the water seepage well 100 is positioned at the upstream of the water flow direction of the sand well 200, i.e. the water seepage well 100 is arranged at the upstream of the groundwater flow direction, and the sand well 200 is arranged at the downstream of the groundwater flow direction relative to the water seepage well 100.
The seepage well 100 includes a seepage well body 110, a seepage pipe 120 and a fine sand layer 130 (as shown in fig. 4), and the seepage well body 110 extends from the lower surface of the sand-filled layer 400 to the aquifer. The infiltration well 100 in the rainwater treatment system is mainly used for accelerating infiltration of rainwater and storing the rainwater into a water-bearing stratum. The middle part of the seepage well body 110 is provided with a seepage pipe 120, the seepage pipe 120 is arranged along the length direction of the seepage well body 110, the diameter of the seepage well body 110 is D1, the diameter of the seepage pipe 120 is D2, D1 is more than 2D2, and rainwater can be adjusted to slowly enter the aquifer treatment system conveniently.
The seepage water pipe 120 comprises a drainage section 121 and a seepage section 123, wherein the drainage section 121 is arranged at the upper part of the seepage section 123, the seepage section 123 is arranged at the lower part of the seepage water pipe 120, the radial depth of the drainage section 121 is L1, the radial depth of the seepage section 123 is L2, and L1>2L 2. The drainage section 121 is composed of a solid pipe, so that the drainage section 121 forms a closed space, and impurities are prevented from entering the water seepage pipe 120 from two sides of the water seepage pipe 120 to block the water seepage pipe 120; the top of the drainage section 121 is provided with a strainer 211 to prevent sludge from blocking the water seepage pipe 120. The rainwater filters the back through filter screen 211 and enters infiltration pipeline 120 to continue downstream to infiltration section 123 under the effect of gravity, be provided with the seepage flow hole on the seepage flow section 123, the seepage flow hole is circular hole, the aperture of seepage flow hole is D1, D1<10D2, when rainfall is big, the rainwater accumulates in infiltration pipeline 120, unnecessary rainwater outwards oozes along circular hole, make the rainwater all collected, prevent to make infiltration well body 110 take place to block up because of the rainfall is too big.
The fine sand layer 130 of the seepage well 100 is arranged between the inner wall of the seepage well body 110 and the seepage pipe 120. The fine sand layer 130 is internally provided with fine sand, so that rainwater infiltration can be accelerated. The fine sand layer 130 is matched with the water seepage pipeline 120, the high permeability of the water seepage pipeline 120 and the good water permeability of the fine sand layer 130 are fully utilized, rainwater enters the water-containing layer to be stored as soon as possible, the rainfall infiltration rate is improved, the runoff of underground water is increased, the ground runoff is reduced, and the ground ponding and flood disasters are reduced.
The sand well 200 of this embodiment uses the weeping well 100 as the basic point and sets gradually along the direction of groundwater flow direction 600, and the sand well 200 is used for carrying out pollutant to the rainwater and filters, adsorbs and biodegradable, and the spacing distance D between weeping well 100 and the sand well 200 is not less than 2m, reduces the physical influence factor to the sand well 200 of weeping well 100 in the water storage process. And the number of the sand wells 200 is greater than that of the water seepage wells 100, in this embodiment, the number of the water seepage wells 100 is 1, and the number of the sand wells 200 is 3.
The radial depth of the sand well 200 is L1, the radial depth of the water seepage well 100 is L2, L1 is more than L2, the infiltrated rainwater enters the aquifer and moves from upstream to downstream under the action of gravity, the distance between the bottom of the water seepage well 100 and the aquifer is larger than the distance between the bottom of the sand well 200 and the aquifer, and the sand well 200 is distributed along the flow direction of the groundwater, so that the sand well 200 can purify the rainwater conveniently.
The bottom of sand well 200 is arranged in the aquifer, and the sand well 200 is internally provided with backfill sand, and the particle size of the backfill sand is 1-3 mm. The backfill sand plays an important role in degrading pollutants as one of carriers and media for migration and transformation of the pollutants, the higher the vertical depth of the sand well 200 is, namely, the thicker the sand layer of the backfill sand is, the higher the biodegradation rate of the pollutants is, and in addition, the larger the biodegradation rate constant is due to the smaller particle size of the backfill sand. The backfill sand has larger surface area, can adsorb more degraded biomass, further promotes the activity of degraded microorganisms, and has the advantages of good treatment effect, convenient installation and construction, higher cost performance and the like.
When the rainfall is large, the rainwater enters the aquifer along the water seepage well 100 through vertical and lateral supply, and underground water resources are conserved; part of rainwater moves to the downstream along the water flow under the action of gravity, and the sand well 200 purifies the rainwater, so that the water quality of a aquifer is prevented from being polluted, and further, the reduction rate of the rainwater garden to pollution load can be increased. The rainwater treatment system of the embodiment can reduce the ground runoff of rainfall, intercept solid suspended matters in rainfall runoff and prolong the service life of a rainwater garden.
Example 2
The rainwater garden with the rainwater storage and purification system comprises a rainwater garden body and the storage and purification system, wherein the storage and purification system is arranged at the bottom of the rainwater garden body, and the storage and purification system is the rainwater on-site storage and purification system in embodiment 1. The body of the rain garden of this embodiment is sequentially provided with an aquifer 610, a planting soil 620 and an artificial filler layer 630 from top to bottom, and the soil-filled layer 300 and the sand-filled layer 400 are provided at the lower part of the body of the rain garden (as shown in fig. 2). If the surface catchment of the atmospheric rainfall is received for a long time, fine particles in the rainwater runoff can be accumulated on the surface soil of the rainwater garden, the surface soil of the rainwater garden can be blocked for a long time, the porosity of the substrate soil in the garden is gradually reduced, the infiltration performance of the rainwater garden is further reduced, and the rainfall runoff is gradually reduced. In order to avoid the occurrence of the problems, the rainwater treatment system of the embodiment is matched with the rainwater garden to further accelerate the infiltration rate of rainwater, can also carry out biodegradation on common pollutants in the rainwater at the fluctuation zone of the underground water level through long-term recharge, and ensures that the rainwater is safely stored in the aquifer through real-time monitoring so as to be recycled for life, production and agriculture.
Example 3
The basic content of this embodiment is the same as that of embodiment 1, as shown in fig. 3, except that: the utility model also comprises a monitoring well 500, the well mouth of the monitoring well 500 is higher than the ground, which is convenient for getting water from the monitoring well 500; monitoring well 500 extends to the aquifer by the well head, and monitoring well 500 is located the low reaches of sand well 200 groundwater flow direction 600 rivers direction, and monitoring well 500 sets up the low reaches at the rainwater garden for sand well 200 for the rainwater of control is the mixed water of groundwater and rainwater, and then monitors the groundwater quality of water behind the rainwater entering aquifer. The top of monitoring well 500 is provided with well lid 510, prevents in debris entering monitoring well 500. In addition, the bottom of monitoring well 500 still is provided with water quality monitoring ware, can regularly observe and the analysis to the rainwater, is convenient for regularly monitor the quality of water dynamic data behind the aquifer mixing rainwater.
The invention has been described above in detail with reference to specific exemplary embodiments. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to illustrate the present state of the art and the meaning of the present development and is not intended to limit the present invention or the present application and the field of application of the present invention.
More specifically, although exemplary embodiments of the invention have been described herein, the invention is not limited to these embodiments, but includes any and all embodiments modified, omitted, such as combinations between various embodiments, adapted changes and/or substitutions as would be recognized by those skilled in the art from the foregoing detailed description. The limitations in the claims are to be interpreted broadly based the language employed in the claims and not limited to examples described in the foregoing detailed description or during the prosecution of the application, which examples are to be construed as non-exclusive. Any steps recited in any method or process claims may be executed in any order and are not limited to the order presented in the claims. The scope of the invention should, therefore, be determined only by the appended claims and their legal equivalents, rather than by the descriptions and examples given above.
Claims (9)
1. A rainwater is system of storing purification on spot which characterized in that: comprises a soil filling layer (300), a sand filling layer (400), a water seepage well (100) and a sand well (200); the lower part of the fill layer (300) is provided with a sand filling layer (400), the water seepage well (100) and the sand well (200) respectively extend to the aquifer from the lower surface of the sand filling layer (400), the water seepage well (100) and the sand well (200) are arranged along the direction of the groundwater flow direction (600), and the water seepage well (100) is positioned at the upstream of the water flow direction of the sand well (200).
2. A system for in situ stormwater purification as claimed in claim 1, wherein: still include monitoring well (500), the well head of monitoring well (500) be higher than ground, monitoring well (500) extend to the aquifer by the well head, monitoring well (500) are located sand well (200) groundwater flow to (600) the low reaches of rivers direction.
3. A system for in situ stormwater purification as claimed in claim 1, wherein: the number of the sand wells (200) is larger than that of the water seepage wells (100), and the sand wells (200) are sequentially arranged along the direction of the groundwater flow direction (600) by taking the water seepage wells (100) as a base point.
4. A system for in situ stormwater purification as claimed in claim 1, wherein: infiltration well (100) are including infiltration well body (110), infiltration pipeline (120) and fine sand layer (130), and infiltration well body (110) is extended to the water-bearing stratum by sand-packed bed (400) lower surface, and the middle part of infiltration well body (110) is provided with infiltration pipeline (120), and infiltration pipeline (120) set up along the length direction of infiltration well body (110), fine sand layer (130) set up between infiltration well body (110) inner wall and infiltration pipeline (120).
5. A system for in situ stormwater purification as claimed in claim 1, wherein: the radial depth of the sand well (200) is L1, the radial depth of the water seepage well (100) is L2, L1 is more than L2, and the distance from the bottom of the water seepage well (100) to the aquifer is larger than the distance from the bottom of the sand well (200) to the aquifer.
6. A system for in situ stormwater purification as claimed in claim 2, wherein: the top of the monitoring well (500) is provided with a well cover (510).
7. A system for in situ stormwater purification as claimed in claim 2, wherein: the bottom of the monitoring well (500) is provided with a water quality monitor.
8. A system for the in situ storage and purification of stormwater as claimed in any one of claims 1 to 7, wherein: and backfill sand is arranged in the sand well (200), and the particle size of the backfill sand is 1-3 mm.
9. A rainwater garden with rainwater storage clean system which characterized in that: the rainwater storage and purification system comprises a rainwater garden body and a storage and purification system, wherein the storage and purification system is arranged at the bottom of the rainwater garden body, and the storage and purification system is the rainwater on-site storage and purification system as claimed in any one of claims 1-8.
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| CN201920719512.1U CN210238634U (en) | 2019-05-17 | 2019-05-17 | Rainwater is system and rainwater garden of storing purification on spot |
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| CN201920719512.1U CN210238634U (en) | 2019-05-17 | 2019-05-17 | Rainwater is system and rainwater garden of storing purification on spot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677082A (en) * | 2020-06-17 | 2020-09-18 | 西北综合勘察设计研究院 | Automatic infiltrating irrigation system for reducing urban inland inundation |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677082A (en) * | 2020-06-17 | 2020-09-18 | 西北综合勘察设计研究院 | Automatic infiltrating irrigation system for reducing urban inland inundation |
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