CN210367347U - Gardens rainwater clean system - Google Patents
Gardens rainwater clean system Download PDFInfo
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- CN210367347U CN210367347U CN201921212260.XU CN201921212260U CN210367347U CN 210367347 U CN210367347 U CN 210367347U CN 201921212260 U CN201921212260 U CN 201921212260U CN 210367347 U CN210367347 U CN 210367347U
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Abstract
The utility model discloses a gardens rainwater clean system, include along length direction slope set up be used for water conservancy diversion gardens rainwater at least one slow flow ditch, with at least one slow flow ditch intercommunication is used for receiving at least one slow flow ditch flows the horizontal undercurrent wetland pond of the rainwater to and with the play water end intercommunication in horizontal undercurrent wetland pond is used for receiving the rainwater that this horizontal undercurrent wetland pond flows to and carries out the anaerobism pond of nitrogen and phosphorus removal. This technical scheme adopts slow current processing, wetland treatment and the anaerobic treatment combination of slow current ditch to the rainwater processing of gardens field, has reduced the scouring action of rainwater on the one hand, realizes the effect of deamination denitrogenation through wetland pond and anaerobism pond in addition, realizes the getting rid of organic matter, reaches rainwater purification treatment's requirement.
Description
Technical Field
The utility model belongs to the technical field of the rainwater purifies the technique and specifically relates to a gardens rainwater clean system.
Background
At present, the landscape effect of most of domestic rainwater gardens is mainly considered, and the rainwater purification effect is neglected.
To foretell problem, patent application number 201810584531.8 has appeared, is named as a multistage gardens sewage regeneration system that subsides, and its technical scheme main points are: the water treatment device comprises a diversion trench, a sorting pond, a filtering pond, a flocculation pond and a clear water recycling assembly, wherein the sorting pond comprises a slow flow slope which is obliquely and downwards arranged along the length and side walls which are arranged on two sides of the slow flow slope, the lower end of the slow flow slope is provided with a water filtering dam, a first-stage interception net, a second-stage interception net, a third-stage interception net and a fourth-stage interception net which are arranged below the diversion trench are sequentially arranged on the two side walls from top to bottom, and the first-stage interception net, the second-stage interception net, the third-stage interception net and the; can effectually will be washed by the rainwater through one-level interception net, second grade interception net, tertiary interception net and level four interception net and fall the categorised collection of rubbish for the drainage is through can not blockking up, and can directly utilize after simply handling through the rubbish of one-level interception net, second grade interception net, tertiary interception net and the categorised interception of level four interception net, reduces rubbish recycling's the degree of difficulty.
The sorting pool passed by the technology is provided with the obliquely arranged slow flow slope, so that the water flow speed can be reduced by the technology, and the subsequent treatment is ensured; however, there are some technical problems, for example, due to the effect of runoff washing of rainwater, pesticide residues, domestic garbage and the like, rainwater contains a large amount of organic matters, such as COD, TN, TP and the like, and the above-mentioned techniques cannot remove these organic matters.
Therefore, the above technical problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a gardens rainwater clean system.
In order to solve the technical problem, the utility model provides a basic technical scheme does:
a gardens rainwater purification system includes:
the at least one slow flow channel is obliquely arranged along the length direction and is used for guiding the garden rainwater;
the horizontal subsurface flow wetland pool is communicated with the at least one slow flow channel and is used for receiving rainwater flowing to the at least one slow flow channel; and
and the anaerobic tank is communicated with the water outlet end of the horizontal undercurrent wetland tank and is used for receiving rainwater flowing to the horizontal undercurrent wetland tank, treating organic matters and then discharging the rainwater.
Further, the shape of the at least one slow flow channel is nonlinear.
Further, the shape of the at least one slow flow channel is wavy.
Further, at least one slow flow channel includes first fine sand layer, first soil horizon, well coarse sand layer and first coarse sand layer from top to bottom.
Further, the thickness of the first fine sand layer is between 5 and 10cm, the thickness of the first soil layer is between 10 and 20cm, the thickness of the medium coarse sand layer is between 15 and 20cm, and the thickness of the first coarse sand layer is between 20 and 30 cm.
Furthermore, the horizontal subsurface wetland pool comprises a vegetation layer, a second soil layer, a second fine sand layer, a zeolite layer and a second coarse sand layer from top to bottom.
Further, the thickness of the second soil layer is between 10 and 20cm, the thickness of the second fine sand layer is between 15 and 20cm, the thickness of the zeolite layer is between 20 and 30cm, and the thickness of the second coarse sand layer is between 30 and 50 cm.
Furthermore, the anaerobic tank is provided with an aeration device, the aeration device comprises an air inlet pipe, an aeration main pipe and a plurality of air distribution pipes, the air inlet pipe is communicated with the aeration main pipe, and the air distribution pipes are respectively communicated with the aeration main pipe;
wherein each gas distributing pipe is provided with a plurality of vent holes with the diameter of 2-5 mm;
the aeration main pipe and the plurality of gas distribution pipes are positioned in the anaerobic tank, and the gas inlet pipe extends to the outside and is communicated with gas supply equipment;
wherein, a breather pump for adjusting air quantity is arranged at the air inlet pipe.
Furthermore, a first water pump for adjusting the water flow speed is arranged at the water outlet end of the horizontal subsurface flow wetland pool.
Furthermore, a second water pump for adjusting the water flow speed is arranged at the water outlet end of the anaerobic tank.
The utility model has the advantages that:
the technical scheme of the utility model a gardens rainwater clean system, include along length direction slope set up be used for water conservancy diversion gardens rainwater at least one slow flow ditch, with at least one slow flow ditch intercommunication is used for receiving at least one slow flow ditch flows to the horizontal undercurrent wetland pond of rainwater and with the play water end intercommunication in horizontal undercurrent wetland pond is used for receiving this horizontal undercurrent wetland pond and flows to the rainwater and carry out the anaerobism pond of nitrogen and phosphorus removal. This technical scheme adopts slow current processing, wetland treatment and the anaerobic treatment combination of slow current ditch to the rainwater processing of gardens field, has reduced the scouring action of rainwater on the one hand, realizes the effect of deamination denitrogenation through wetland pond and anaerobism pond in addition, realizes the getting rid of organic matter, reaches rainwater purification treatment's requirement.
Drawings
FIG. 1 is a schematic structural view of a garden rainwater purification system of the present invention;
fig. 2 is a top view of a garden rainwater purification system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
Referring to fig. 1, the utility model relates to a gardens rainwater clean system, including at least one slow flow ditch 1, horizontal undercurrent wetland pond 2 and anaerobism pond 3. At least one slow flow channel 1 is obliquely arranged along the length direction and used for guiding garden rainwater; the horizontal subsurface flow wetland pool 2 is communicated with the at least one slow flow ditch 1 and is used for receiving rainwater flowing to the at least one slow flow ditch 1; the anaerobic tank 3 is communicated with the water outlet end of the horizontal undercurrent wetland tank 2 and is used for receiving rainwater flowing to the horizontal undercurrent wetland tank 2, treating organic matters and discharging the treated rainwater.
On one hand, the slow flow channel 1 is used for slowly flowing rainwater and reducing the flowing speed of the rainwater so as to reduce the scouring effect of the rainwater; on the other hand, the rainwater collecting device can absorb part of rainwater to achieve the effects of storing water and being absorbed and utilized by plants. The horizontal subsurface flow wetland pool 2 can primarily remove suspended matters (SS) in rainwater through the root system of the vegetation layer and the action of the multi-layer matrix cushion layer, and reduce indexes such as Chemical Oxygen Demand (COD), biological oxygen demand (BOD5) and the like. Through the anaerobic tank, denitrification can be facilitated under an anaerobic environment, and the content of total nitrogen and total phosphorus in water can be further removed.
In order to better realize unpowered flow of rainwater in the horizontal subsurface flow wetland pool 2, the horizontal subsurface flow wetland pool 2 is higher than the anaerobic pool 3 in height.
In detail, the number of the slow flow channels 1 may be designed to be plural according to the requirement, and specifically may be set according to the area. Namely, a large area of garden designs more slow flow ditches 1, and a small area of garden designs fewer slow flow ditches. For example, a slow flow channel is designed at intervals of five meters.
Specifically, in this embodiment, the shape of the at least one slow flow channel 1 is non-linear. Namely, the slow flow channel 1 prolongs the flowing stroke of the rainwater and reduces the flowing speed of the rainwater. In detail, in the present embodiment, the shape of the at least one slow flow channel 1 is a wave shape, as shown in fig. 2. Of course, the shape of the slow flow channel 1 may be zigzag. Of course, the buffer flow channel 1 may be a combination of wave-shaped and linear type, or any suitable combination of non-all-linear type.
In addition, the inclination degree of the slow flow channel 1 can be selected according to different use conditions, for example, the included angle between the slow flow channel 1 and the horizontal plane is between 5 and 50 degrees.
In detail, the at least one slow flow channel 1 comprises, from top to bottom, a first fine sand layer 11, a first soil layer 12, a medium coarse sand layer 13 and a first coarse sand layer 14. Through these four layers, can let the rainwater infiltration on slow flow channel 1 surface inside, play the effect of solid water.
Preferably, the thickness of the first fine sand layer 11 is between 5 and 10cm, the thickness of the first soil layer 12 is between 10 and 20cm, the thickness of the medium coarse sand layer 13 is between 15 and 20cm, and the thickness 14 of the first coarse sand layer 14 is between 20 and 30 cm. In this technique, medium-coarse sand layer 13 can prevent soil infiltration on the one hand, and on the other hand can filter the rainwater.
Specifically, the horizontal subsurface flow wetland pool 2 comprises a vegetation layer 21, a second soil layer 22, a second fine sand layer 23, a zeolite layer 24 and a second coarse sand layer 25 from top to bottom as shown in fig. 1. The vegetable layer 21 has a developed root system, and can adsorb heavy metal in rainwater to achieve the purpose of filtering to remove heavy metal ions. The second soil layer 22 is used for planting the vegetation layer 21. In addition, the horizontal subsurface flow wetland tank 2 enables suspended matter (SS) and the like to be blocked above the second soil layer 22 due to the blocking effect of each functional layer. The zeolite layer 23 has an extremely strong ion adsorption capacity and is often used for nitrogen removal in the field of water treatment. Wherein, second fine sand layer 23 and second coarse sand layer 25 have the filtering action, can filter the particulate matter in the rainwater, reduce turbidity.
Wherein, preferably, the thickness of the second soil layer 22 is between 10 and 20cm, the thickness of the second fine sand layer 23 is between 15 and 20cm, the thickness of the zeolite layer 24 is between 20 and 30cm, and the thickness of the second coarse sand layer 25 is between 30 and 50 cm.
Specifically, the particle diameters of the first fine sand layer 11 and the second fine sand layer 23 are 1mm-2mm, the particle diameter of the medium coarse sand layer 13 is 0.5-1cm, and the particle diameter of the first coarse sand layer 14 and the second coarse sand layer 25 is 2-5 cm.
Specifically, the vegetation layer 21 can be planted with moisture-resistant plants, such as iris, and Acorus calamus.
In order to control the rainwater outflow of the horizontal subsurface flow wetland pool 2, the water outlet end of the horizontal subsurface flow wetland pool 2 is provided with a first water pump 26 for adjusting the water flow speed.
In addition, the anaerobic tank 3 is mainly used for denitrification treatment, specifically, nitrate nitrogen is denitrified into nitrogen to be discharged, and the nitrogen removal function is realized. In order to ensure the anaerobic condition of the anaerobic tank 3, the anaerobic tank 3 is provided with an aeration device 4, and methane is filled into the anaerobic tank 3 through the aeration device 4. Specifically, as shown in fig. 1, the ventilation device 4 includes an air inlet pipe 41, a ventilation main pipe 42, and a plurality of air distribution pipes 43, wherein the air inlet pipe 41 is communicated with the ventilation main pipe 42, and the plurality of air distribution pipes 43 are respectively communicated with the ventilation main pipe 42; wherein, each gas distributing pipe 43 is provided with a plurality of vent holes 431 with the diameter of 2-5 mm; wherein, the main aeration pipe 42 and the plurality of gas distribution pipes 43 are positioned inside the anaerobic tank 3, and the gas inlet pipe 41 extends to the outside to be communicated with gas supply equipment; wherein, a ventilation pump 44 for adjusting the air quantity is arranged at the air inlet pipe 41. Specifically, the number of the main aeration pipes 42 includes at least one, and may also be two, three or more, and may be specifically set according to the volume of the anaerobic tank 3. When a plurality of vent main pipes 42 are arranged, the vent main pipes are uniformly distributed in a star-shaped mode. Wherein, a plurality of gas distributing pipes 43 are connected at each main ventilating pipe 42, and each gas distributing pipe 43 is preferably arranged vertically to the main ventilating pipe 42 and arranged along the height direction of the anaerobic tank 3; preferably, three gas distribution pipes 43 are connected to each main ventilation pipe 42, and the three gas distribution pipes 43 are uniformly distributed. Preferably, each gas distributing pipe 43 is filled with the vent holes 431, the vent holes 431 are uniformly distributed, and the aperture of each vent hole 431 is preferably 3 mm.
It should be understood that the gas inlet 41 is in communication with an external gas supply device, preferably a methane project time device, for receiving gas. When gas needs to be filled, the ventilation pump 44 of the air inlet pipe 41 is turned on, an external gas supply device enters the ventilation main pipe 42 through the air inlet pipe 41, and the ventilation main pipe 42 inputs the gas into the gas distribution pipe 43 and transmits the gas into the anaerobic tank 3 through the ventilation hole 431 of the gas distribution pipe 43. Through the scheme, the anaerobic tank 3 is ensured to keep specific and proper anaerobic conditions at any time so as to meet the requirement of denitrification treatment.
In addition, in order to ensure that rainwater in the anaerobic tank 3 can be treated more fully in the anaerobic tank 3, the water outlet end of the anaerobic tank 3 is provided with a second water pump 31 for adjusting the water flow speed. The flow rate is controlled by the second water pump 31 to ensure sufficient treatment time. The rainwater treated by the technical scheme can flow out to the environment through the second water pump 31 of the anaerobic tank 3.
In a word, through the technical scheme of the utility model the clearance of suspended solid, heavy metal ion and organic matter to the rainwater has been realized, the purification of gardens rainwater has been realized.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a gardens rainwater clean system which characterized in that includes:
at least one slow flow channel (1) which is obliquely arranged along the length direction and is used for guiding the garden rainwater;
the horizontal subsurface flow wetland pool (2) is communicated with the at least one slow flow channel (1) and is used for receiving rainwater flowing to the at least one slow flow channel (1); and
the anaerobic tank (3) is communicated with the water outlet end of the horizontal underflow wetland tank (2) and is used for receiving rainwater flowing to the horizontal underflow wetland tank (2), treating organic matters and discharging the treated rainwater.
2. The garden rainwater purification system of claim 1, wherein:
the shape of the at least one slow flow channel (1) is nonlinear.
3. The garden rainwater purification system of claim 2, wherein:
the shape of the at least one slow flow channel (1) is wave-shaped.
4. The garden rainwater purification system of claim 1, wherein:
at least one slow flow ditch (1) includes first fine sand layer (11), first soil horizon (12), well coarse sand layer (13) and first coarse sand layer (14) from top to bottom.
5. The garden rainwater purification system of claim 4, wherein:
the thickness of the first fine sand layer (11) is between 5 and 10cm, the thickness of the first soil layer (12) is between 10 and 20cm, the thickness of the medium coarse sand layer (13) is between 15 and 20cm, and the thickness of the first coarse sand layer (14) is between 20 and 30 cm.
6. The garden rainwater purification system of claim 1, wherein:
the horizontal subsurface flow wetland pool (2) comprises a vegetation layer (21), a second soil layer (22), a second fine sand layer (23), a zeolite layer (24) and a second coarse sand layer (25) from top to bottom.
7. The garden rainwater purification system of claim 6, wherein:
the thickness of the second soil layer (22) is between 10 and 20cm, the thickness of the second fine sand layer (23) is between 15 and 20cm, the thickness of the zeolite layer (24) is between 20 and 30cm and the thickness of the second coarse sand layer (25) is between 30 and 50 cm.
8. The garden rainwater purification system of claim 1, wherein:
the anaerobic tank (3) is provided with an aeration device (4), the aeration device (4) comprises an air inlet pipe (41), an aeration main pipe (42) and a plurality of air distribution pipes (43), the air inlet pipe (41) is communicated with the aeration main pipe (42), and the air distribution pipes (43) are respectively communicated with the aeration main pipe (42);
wherein each gas distributing pipe (43) is provided with a plurality of vent holes (431) with the diameter of 2-5 mm;
wherein the main ventilation pipe (42) and the plurality of gas distribution pipes (43) are positioned inside the anaerobic tank (3), and the gas inlet pipe (41) extends to the outside to be communicated with gas supply equipment;
wherein, a ventilation pump (44) for adjusting the air quantity is arranged at the air inlet pipe (41).
9. The garden rainwater purification system of claim 1, wherein:
the water outlet end of the horizontal subsurface flow wetland pool (2) is provided with a first water pump (26) for adjusting the water flow speed.
10. The garden rainwater purification system of claim 1, wherein:
and a second water pump (31) for adjusting the water flow speed is arranged at the water outlet end of the anaerobic tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212260.XU CN210367347U (en) | 2019-07-30 | 2019-07-30 | Gardens rainwater clean system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212260.XU CN210367347U (en) | 2019-07-30 | 2019-07-30 | Gardens rainwater clean system |
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| CN210367347U true CN210367347U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475292A (en) * | 2021-07-02 | 2021-10-08 | 国家林业和草原局泡桐研究开发中心 | Method for reducing fruit drop rate of fruit trees |
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2019
- 2019-07-30 CN CN201921212260.XU patent/CN210367347U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475292A (en) * | 2021-07-02 | 2021-10-08 | 国家林业和草原局泡桐研究开发中心 | Method for reducing fruit drop rate of fruit trees |
| CN113475292B (en) * | 2021-07-02 | 2022-11-11 | 中国林业科学研究院经济林研究所 | Method for reducing fruit drop rate of fruit trees |
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