CN107265630A - A kind of two-way seepage flow biological delaying basin of internal retaining post - Google Patents
A kind of two-way seepage flow biological delaying basin of internal retaining post Download PDFInfo
- Publication number
- CN107265630A CN107265630A CN201710499444.8A CN201710499444A CN107265630A CN 107265630 A CN107265630 A CN 107265630A CN 201710499444 A CN201710499444 A CN 201710499444A CN 107265630 A CN107265630 A CN 107265630A
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- China
- Prior art keywords
- retaining post
- water
- layer
- delaying basin
- water reserve
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a kind of biological delaying basin of the two-way seepage flow provided with internal retaining post, including being detained tank main body and outside pond body, the first water reserve is sequentially provided with the delay tank main body, soil horizon, grit layer, gravel layer, compound reverse osmosis layer, collector pipe is provided with gravel layer, it is being detained in tank main body provided with internal retaining post, internal retaining post includes retaining post housing, cavity is provided with retaining post housing, underfill in cavity has packing layer, several water distribution branch pipes are circumferentially with the bottom of retaining post housing, the first overfall is provided with the first water reserve, first water reserve is entered stormwater overflow in the second water reserve being provided with outside pond body by the first overfall, it is detained in the externally-located pond body of tank main body.The inside retaining post of the present invention can ensure the anaerobic environment of delaying basin packing layer bottom in the dry spell；Compound reverse osmosis layer can cause underdrain pipe constantly to there are flowing out during a drought, it is to avoid the generation of bottom slough.
Description
Technical field
The present invention relates to the biological delaying basin of the two-way seepage flow of internal retaining post, belong to environmental area.
Background technology
In recent years, Chinese environmental problem was continuous worsening, and a large amount of due to concrete and bituminous paving use, and ground is impermeable
Aqueous to sharply increase, urban waterlogging problem has had a strong impact on the normal life and trip of China resident caused by, is
National safety of life and property has buried hidden trouble.In order to solve this problem, China had successively put into effect many in recent years
Item relevant policies and regulation, greatly develop the construction in sponge city.It is raw as a part indispensable in sponge urban construction
Thing delaying basin has been increasingly becoming one of mainstream technology and facility of modern town and country flood detention decontamination.
The concept of biological delaying basin is applied and all after China is introduced in the experimental city of several sponge cities
There is good feedback.But, because the urbanization degree of China is higher, available lowland is few, therefore in delaying basin
Land resource is saved in implementation as far as possible, but this can reduce again the reservoir storage of delaying basin, reduce the flood detention of delaying basin
Effect.Meanwhile, traditional is detained pool structure because a large amount of evaporations of bottom pore water under prolonged drought, cause bottom anaerobism ring
Border can incorporate entering for rainfall next time by destruction, denitrifying bacterium in dry spell mortality, the material that bacteria lysis is produced
In water so that the water outlet of the first rainfall after the dry spell is smelly, also the clearance of nitrogen can be caused to become negative value, had a strong impact on
The contamination control effect of delaying basin.
Such as patent (application number：201420025661.5)：The biology of nitrogen removal effect in a kind of enhancing storm runoff
Delaying basin, the patent idea is novel, but because anti-filter therein flows back annex also simply in the flow event of rainfall generation
Under middle ability normal operation, drought status afterwards, outlet pipe is just discharged without rainwater, and bottom can produce dead water region, anaerobism
The saturation degree in area is destroyed under drought status, and denitrifying bacterium can mortality, the disposal ability of influence rainfall next time.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of the two-way of internal retaining post
Seepage flow biology delaying basin, internal retaining post can ensure the anaerobic environment of delaying basin packing layer bottom in the dry spell；Compound reverse osmosis
Layer can cause underdrain pipe constantly to there are flowing out during a drought, it is to avoid the generation of bottom slough.
Technical scheme：In order to solve the above technical problems, a kind of two-way seepage flow provided with internal retaining post of the present invention is biological
The first water reserve, soil horizon, sand are sequentially provided with delaying basin, including delay tank main body and outside pond body, the delay tank main body
Gravel bed, gravel layer, compound reverse osmosis layer, are provided with collector pipe in gravel layer, are being detained in tank main body provided with internal retaining post, internal
Retaining post includes retaining post housing, and the underfill being provided with retaining post housing in cavity, cavity has packing layer, in retaining post
The bottom of housing is circumferentially with several water distribution branch pipes, and retaining post housing sequentially passes through the first water reserve, soil horizon, grit layer,
The first overfall is provided with the first water reserve, the first water reserve is entered stormwater overflow in outside pond body by the first overfall
The second water reserve being provided with, is detained in the externally-located pond body of tank main body, and the second overfall, the second overflow are provided with outside pond body
Mouth is connected with municipal wastewater pipe network.
Preferably, the overflow height of the first water reserve of the delaying basin will be higher by than the overflow height of the second water reserve
150mm-160mm, at the same the overflow height of the second water reserve than collector pipe flood height be higher by 400mm and more than.
Preferably, the compound reverse osmosis layer is by composite inorganic degradation material of the infiltration rate for 0.057-0.062m/d
It is made, and the infiltration rate of soil horizon is 0.4-0.43m/d, soil horizon will be significantly greater than the porosity of compound reverse osmosis layer, to protect
The rainwater demonstrate,proved in the first water reserve will be significantly faster than that in the second water reserve by the speed oozed under soil horizon, grit layer and gravel layer
Rainwater by be combined reverse osmosis layer bottom up reverse osmosis speed, so as to ensure the normal operation of the system.
Preferably, the bottom of the compound reverse osmosis layer is porous interface.
Preferably, ring-type clear water pipeline is provided with second water reserve, ring-type clear water pipeline and clear water pressurized equipment
Connection.
Preferably, the ring-type clear water pipeline includes outer ring pipeline and inner ring pipeline, inner ring pipeline leads to outer ring pipeline
The connection of Internal and external cycle connecting tube is crossed, several drain apertures are uniformly provided with outer ring pipeline and inner ring pipeline.
In the present invention, the setting purpose of retaining post housing can also pass through its water distribution for the dry spell after rainfall terminates
The continuous outwards seepage flow of branch pipe, it is ensured that the bottom filling layer for being detained tank main body also can guarantee that well within the dry spell of 7 days or so
Wettability so that protect be detained tank main body packing layer bottom denitrifying bacterium can normal growth, will not because of for a long time
Arid and cause the mortality of denitrification strain, effectively facilitate the effluent quality of first rainfall after the dry spell.
In the present invention, because there are two separate water reserves, and the second water reserve is located in this biological delaying basin
It is detained the outside of tank main body, therefore the overall retaining volume of delaying basin can be increased in the case where substantially not increasing land area；
Water simultaneously in the second water reserve is poor by inside and outside height of water level in the dry spell, from bottom to top from delaying basin bottom reverse osmosis to delaying basin
In main body, the anaerobic environment of the bottom of tank main body is detained in protection, and because whole delaying basin body floor is immersed in water, therefore
Infiltration during reverse osmosis is very uniform, is not in region of no pressure, and whole infiltration process relies on the height of natural water level
Degree difference is automatic to be carried out, without manual intervention also without outside extra power facility, energy-conserving and environment-protective.And the inside set stores
Water column can ensure the anaerobic environment of delaying basin packing layer bottom in the dry spell；Compound reverse osmosis layer can cause bottom during a drought
Portion's collector pipe constantly there are flowing out, it is to avoid the generation of bottom slough.Work along both lines, enhance the effect of contamination control, increase
Strong clean effect also increases retention capacity simultaneously, has positive directive significance for the transformation of old town.
Beneficial effect：The biological delaying basin of the two-way seepage flow provided with internal retaining post of the present invention, first, second water reserve is equal
The rainwater of rainwash can be collected, add biological delaying basin it is overall can reservoir storage, improve flood detention effect；Furthermore, by
It is larger in the porosity difference of soil horizon and compound reverse osmosis layer or inner prop packing layer so that water and inside in the second water reserve
Water in retaining post still can continue seepage flow in the dry spell, and can maintain the flow event of 7 days or so altogether, both avoid stagnant
Stay tank main body bottom to form slough, the denitrifying bacterium in delaying basin packing layer can be protected still within the dry spell again
Enough normal growths；Furthermore, the present invention is provided with again changes water desilting equipment and periodically artificial running, to ensure in the second water reserve
Regularly updating for water, deposits while being also possible to prevent bed mud and influences the stability of system operation；From eco-friendly
From the point of view of angle, can on a large scale applied to sponge city construction among, with it is compatible good the characteristics of.
Brief description of the drawings
The facade structures schematic diagram of Fig. 1 present invention.
The top view of Fig. 2 A-A sections of the present invention.
The aperture of the ring-type clear water pipeline of Fig. 3 present invention and pipeline arrangement schematic diagram.
The facade structures schematic diagram of the inside retaining post of Fig. 4 present invention.
The bottom plan view of the inside retaining post of Fig. 5 present invention.
Reference：1- inlet pipelines, the overfalls of 2- first, the water reserves of 3- first, 4- soil horizons, 5- grit layer, 6- gravels
Rock layers, 7- are combined reverse osmosis layer, 8- inside retainings post (8.1- inside retaining post water reserve, 8.2- inside retaining column packings layer, 8.3-
Internal retaining post water distribution branch pipe, 8.3.1- water distribution branch pipes water distribution mouth), 9- underdrains pipe, 10- clear water pressurized equipment, 11- second
Water reserve, 12- ring-types clear water pipeline (12.1- outer rings pipeline, 12.2- inner rings pipeline, 12.3- water inlets, 12.4- Internal and external cycles
Connecting tube), the overfalls of 13- second.
Embodiment
As shown in Figures 1 to 5, a kind of biological delaying basin of two-way seepage flow provided with internal retaining post of the invention, its feature
It is：Including be connected with municipal Storm Sewer Network inlet pipeline 1, be detained tank main body, outside pond body and change water desilting equipment.Its
Middle delay tank main body is cylindrical, including the first overfall 2, the first water reserve 3, soil horizon 4, grit layer 5, gravel layer 6, compound
Reverse osmosis layer 7 and internal retaining post 8, internal retaining post 8 includes retaining post housing, and cavity, cavity are provided with retaining post housing
Interior underfill has packing layer 8.2, is circumferentially with several water distribution branch pipes in the bottom of retaining post housing, retaining post housing according to
It is secondary to pass through the first water reserve 3, soil horizon 4, grit layer 5.Outside pond body will be detained in tank main body is wrapped in, also cylindrical, its
Including the second water reserve 11 and the second overfall 13；Change in water desilting equipment pond body mounted externally, including ring-type clear water pipeline
12 and clear water pressurized equipment 10, ring-type clear water pipeline 12 includes outer ring pipeline 12.1 and inner ring pipeline 12.2, inner ring pipeline 12.2
Connected with outer ring pipeline 12.1 by Internal and external cycle connecting tube 12.4, provided with some on outer ring pipeline 12.1 and inner ring pipeline 12.2
Individual drain aperture 12.3.After rainfall starts, rainwater is imported the first water reserve 3 of the present apparatus by inlet pipeline 1, treats the first water reserve
Water level goes up and when reaching the capitals level of internal retaining post 8 in 3, and rainwater is just internally mended in the water reserve 8.1 of retaining post 8
Water, is treated after the internal full water of retaining post 8, the water level in the first water reserve 3 continues to go up, and reaches after the second overfall 13 by second
Overfall 13 discharges the present apparatus；Rainwater in first water reserve 3 is oozed under starting under gravity, and soil horizon 4, sand are flowed through successively
Gravel bed 5, gravel layer 6 simultaneously collect discharge system by the collector pipe 9 in gravel layer 6, and this infitration process duration is about 1
My god；Because the porosity difference of soil horizon 4 and compound reverse osmosis layer 7 is larger, (porosity of soil horizon is about the 7 of compound reverse osmosis layer
Times), therefore the rainwater in the second water reserve 11 is still substantially at peak level, now, delaying basin after being emptied in the first water reserve 3
The saturation water level of body interior is approximately at the freeboard of collector pipe 9, therefore produces the larger water level discrepancy in elevation between the two,
In the presence of this height of water level difference, water in the second water reserve 11 is by being combined the bottom of reverse osmosis layer 7 slowly upward reverse osmosis, reverse osmosis
Water up passes sequentially through compound reverse osmosis layer 7, gravel layer 6 and the gully-hole by the top of collector pipe 9 set in gravel layer 6 and entered
Enter collector pipe 9 so as to removal system, the duration of the reverse osmosis process is about 7 days；Meanwhile, the water in internal retaining post 8 exists
Four water distribution branch pipes 8.3 are flowed to by internal retaining column packing layer 8.2 under Action of Gravity Field and set by the lower section of water distribution branch pipe 8.3
Water distribution branch pipe water distribution mouth 8.3.1 flow uniformly in the packing layer of delaying basin bottom part body.Wherein, the overflow of the second water reserve 11
The difference in height of the depth of water and the freeboard of collector pipe 9 is the available depth of the reverse osmosis effect of compound reverse osmosis layer, is installing this delaying basin
This available depth is should ensure that during system in more than 400mm, to ensure that reverse osmosis can be normally carried out.
It is artificial to open clear water pressurized equipment 10 so that the second water reserve after seepage flow, reverse osmosis process in delaying basin stop
Hydrostatic in 11 is in strong turbulent fluctuation state again, also to be deposited on the deposits such as the mud of the bottom of the second water reserve 11 again
Suspend and remaining water is abundant in the presence of High-Pressure Water and in the second water reserve 11 and rapidly mixes, meanwhile, it is high
Pressure clear water causes the water level in the second water reserve 11 constantly to rise, and when water level rises to the height of the second overfall 13, opens
Begin outwards to carry out Overflow drainage, overflow is for a period of time (to avoid settling flux material from blocking compound reverse osmosis layer, therefore clear water pressurized equipment
Open that duration is shorter is advisable, take 15~20min) after, the remaining rainwater that mud is mixed with originally is all drained, the second water reserve
Water in 11 is updated to clear water, so far, changes water desilting process and terminates, and closes clear water pressurized equipment 10.
Once change after water desilting, the water in the second water reserve 11 is replaced by free of contamination clear water by the waste water containing mud,
Its water level is returned to highest flood level simultaneously, and reverse osmosis process can restart and continue about 7d again, it is ensured that delaying basin
Collector pipe 9 have water discharge always within the dry spell of 14 days, can avoid produce bottom slough.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of biological delaying basin of two-way seepage flow provided with internal retaining post, it is characterised in that：Including being detained tank main body and outside
The first water reserve, soil horizon, grit layer, gravel layer, compound reverse osmosis layer are sequentially provided with pond body, the delay tank main body, in gravel
Collector pipe is provided with rock layers, is being detained in tank main body provided with internal retaining post, internal retaining post includes retaining post housing, in retaining
The underfill being provided with post housing in cavity, cavity has packing layer, and several cloth are circumferentially with the bottom of retaining post housing
Water branch pipe, retaining post housing sequentially passes through the first water reserve, soil horizon, grit layer, and the first overfall is provided with the first water reserve,
First water reserve is entered stormwater overflow in the second water reserve being provided with outside pond body by the first overfall, delaying basin master
In the externally-located pond body of body, the second overfall is provided with outside pond body, the second overfall is connected with municipal wastewater pipe network.
2. the biological delaying basin of the two-way seepage flow according to claim 1 provided with internal retaining post, it is characterised in that：It is described stagnant
150mm-160mm will be higher by than the overflow height of the second water reserve by staying the overflow height of first water reserve in pond, while second stores
The overflow height in pool than collector pipe flood height be higher by 400mm and more than.
3. the biological delaying basin of the two-way seepage flow according to claim 1 provided with internal retaining post, it is characterised in that：It is described multiple
Reverse osmosis layer is closed to be made up of 0.057-0.062m/d composite inorganic degradation material of infiltration rate, and the infiltration rate of soil horizon
For 0.4-0.43m/d.
4. the biological delaying basin of the two-way seepage flow provided with internal retaining post according to claim 1 or 3, it is characterised in that：Institute
The bottom for stating compound reverse osmosis layer is porous interface.
5. the biological delaying basin of the two-way seepage flow according to claim 1 provided with internal retaining post, it is characterised in that：Described
Ring-type clear water pipeline is provided with two overflow areas, ring-type clear water pipeline is connected with clear water pressurized equipment.
6. the biological delaying basin of the two-way seepage flow provided with internal retaining post stated according to claim 5, it is characterised in that：The ring-type
Clear water pipeline includes outer ring pipeline and inner ring pipeline, and inner ring pipeline is connected with outer ring pipeline by Internal and external cycle connecting tube, in outer ring
Several drain apertures are uniformly provided with pipeline and inner ring pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499444.8A CN107265630B (en) | 2017-06-27 | 2017-06-27 | Two-way seepage bioretention pond of inside water storage post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499444.8A CN107265630B (en) | 2017-06-27 | 2017-06-27 | Two-way seepage bioretention pond of inside water storage post |
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| Publication Number | Publication Date |
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| CN107265630A true CN107265630A (en) | 2017-10-20 |
| CN107265630B CN107265630B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710499444.8A Active CN107265630B (en) | 2017-06-27 | 2017-06-27 | Two-way seepage bioretention pond of inside water storage post |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620430A (en) * | 2021-08-06 | 2021-11-09 | 江苏龙腾工程设计股份有限公司 | Intelligent aeration type floating material module biological retention tank |
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| CN105625549A (en) * | 2016-03-16 | 2016-06-01 | 南京林业大学 | Multifunctional system for rainwater infiltration, collection and storage and purification of sponge city |
| CN205637039U (en) * | 2016-05-04 | 2016-10-12 | 亿利生态修复股份有限公司 | Rainwater garden and rainwater regulation system |
| CN106759824A (en) * | 2016-12-06 | 2017-05-31 | 徐冉云 | A kind of tree pond for purifying storage rainwater |
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2017
- 2017-06-27 CN CN201710499444.8A patent/CN107265630B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100634464B1 (en) * | 2005-05-31 | 2006-10-16 | 녹스 코리아(주) | Filtering device for early rainfall |
| CN203729430U (en) * | 2013-11-20 | 2014-07-23 | 北京泰宁科创雨水利用技术股份有限公司 | Rainwater bioretention filtering device |
| CN203700035U (en) * | 2014-01-15 | 2014-07-09 | 北京市农林科学院 | Biological detention tank for enhancing removal effect of nitrogen in storm runoff |
| CN105625549A (en) * | 2016-03-16 | 2016-06-01 | 南京林业大学 | Multifunctional system for rainwater infiltration, collection and storage and purification of sponge city |
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| CN106759824A (en) * | 2016-12-06 | 2017-05-31 | 徐冉云 | A kind of tree pond for purifying storage rainwater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620430A (en) * | 2021-08-06 | 2021-11-09 | 江苏龙腾工程设计股份有限公司 | Intelligent aeration type floating material module biological retention tank |
| CN113620430B (en) * | 2021-08-06 | 2022-06-07 | 江苏龙腾工程设计股份有限公司 | Intelligent aeration type floating material module biological retention tank |
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| CN107265630B (en) | 2020-09-18 |
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