CN102515358A - Vertical flow type constructed wetland batch injection system - Google Patents
Vertical flow type constructed wetland batch injection system Download PDFInfo
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- CN102515358A CN102515358A CN2011104101756A CN201110410175A CN102515358A CN 102515358 A CN102515358 A CN 102515358A CN 2011104101756 A CN2011104101756 A CN 2011104101756A CN 201110410175 A CN201110410175 A CN 201110410175A CN 102515358 A CN102515358 A CN 102515358A
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Abstract
A vertical flow type constructed wetland batch injection system contains a water intake sump, a water inlet pipe, a water outlet pipe and an outlet pipe floating and sinking control system. The outlet pipe floating and sinking control system is mainly composed of a water outlet bend, a floating drum, a highest water level baffle plate, a lowest water level baffle plate, a water outlet connection flexible pipe and a pool wall floating drum elevating groove. The water outlet bend is fixed over the floating drum and is connected to the water outlet pipe through the water outlet connection flexible pipe. The floating drum is connected with the water outlet bend to form a siphon pipe, which floats up and down together with the pool wall floating drum elevating groove. Therefore, the floating drum and the water outlet bend generate batch siphonage and water is discharged. The highest water level baffle plate and the lowest water level baffle plate are set up inside the water intake sump and the water level of the outlet pipe is lower than that of the lowest water level baffle plate, so as to control the water storage volume and further control the constructed wetland batch injection amount. According to the system, without electric power, stability and uniformity of sewage injection in the vertical flow type constructed wetland are raised under the action of waterpower.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to a kind of perpendicular flow pattern artificial swamp intermittent water inflow system, the discontinuous and problem of non-uniform of water when being used to solve artificial swamp treated side source sewage.
Background technology
Adopting artificial swamp to carry out WWT is the sewage disposal technology that has grown up since the eighties in last century; Over past ten years; Constructed wetland waste water treatment technology has obtained very fast development, is widely used in handling domestic sewage of villages and small towns at present, cuts down in widespread pollution from the overuse of fertilizers and pesticides in rural area and the control rivers and lakes eutrophication problem.
The type of artificial swamp mainly comprises surface current wetland, current wetland and vertical-flow wetland.Wherein, vertical-flow wetland has higher decontamination effect improving because its floor space is less to organism and nitrogen, has better oxidation effect, becomes the first-selection in the wetland application.Except matrix, plant and mikrobe were its essentially consist, water inlet system also was its important component part.Good water inlet system ability maximum using artificial swamp purification function and realization come the water rapid and uniform to be distributed to whole artificial swamp surface, thereby guarantee the wetland high-efficiency operation.How to guarantee that the feed-water end water distribution is even, prevent " dead band " and improve the reoxygenation effect, be the major issue that the artificial swamp technical security is applied always.
But; The subject matter that prior art exists is that sewage comes discharge inhomogeneous; The discontinuous intermittent water inflow of low discharge causes perpendicular flow pattern artificial swamp can't be in the good running status of alternation of wetting and drying oxygenation, has also caused the water inlet system water inlet of perpendicular flow pattern artificial swamp inhomogeneous, and the nearer zone load of distance water inlet main is in higher state for a long time; Usefulness then can not be brought into play in distance water inlet main zone far away, has had a strong impact on the sewage overall process effect of artificial swamp.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned perpendicular flow pattern constructed wetland waste water treatment technology exists; A kind of perpendicular flow pattern artificial swamp intermittent water inflow system is provided; This system improves the stability and the homogeneity of sewage water inlet in the perpendicular flow pattern artificial swamp, gives full play to the detergent power and the oxygenation capacity on whole wet land system surface, is specially adapted to use at the front end of perpendicular flow pattern artificial swamp; Need not under the condition of electric power; Through hydraulic action, intermittently come water to change even water inlet in the uneven sewage of instantaneous delivery, be assigned in the perpendicular flow pattern artificial swamp.
For realizing the foregoing invention purpose, the technical scheme that the present invention adopted is following:
A kind of perpendicular flow pattern artificial swamp intermittent water inflow system comprises suction sump, water inlet pipe and rising pipe; Also comprise the rising pipe that is installed in the suction sump system of drifting along; Said rising pipe drift along system mainly by water exit elbow, floating drum, top water-level baffle plate, lowest water level baffle plate, water outlet connect flexible pipe, pool wall buoy lifting groove is formed, wherein, water exit elbow is fixed on above the floating drum; Connect hose connection to rising pipe through water outlet; Be connected to form U trap between floating drum and the water exit elbow,, make floating drum and water exit elbow intermittent type ground that syphonic effect and outwards draining take place through with pool wall buoy lifting groove fluctuating in certain water level range; Top water-level baffle plate and lowest water level baffle plate are erected in the suction sump; And the rising pipe water level is lower than lowest water level baffle plate water level, is used to control the retaining volume, and then control artificial swamp intermittent water inflow amount.
Said floating drum adopts hollow cylinders floating drum, floating drum and water exit elbow is welded to connect fixing, is connected to form U trap through the floating drum delivery hose between the two, common come-up and sinking in the process.
The number of said water exit elbow and rising pipe is one or more.
Said rising pipe caliber is big than the water inlet pipe caliber.
Water inlet is by the water inlet of body top, pond, and current are to do vertical flowing from top to bottom, and water inlet pipe is positioned at body top, pond.
The principle of work of perpendicular flow pattern artificial swamp intermittent water inflow provided by the present invention system is: just change and control the water outlet cycle, the realization intermittent water inflow in the system's control water exit elbow change in location down of drifting along through water level.When water level was lower than lowest water level, suction sump was in the retaining cycle, and be in anhydrous state in the floating drum this moment, and the gravity of floating drum and water exit elbow is less than buoyancy; With accumulating of rate of water added, the water level in the suction sump raises gradually, and the position of floating drum and water exit elbow is along with water level rises gradually; Until reaching top water-level, floating drum and water exit elbow rest on the extreme higher position under the stopping of top water-level baffle plate, but upland water continues to flow into suction sump; Water level will be higher than the opening of floating drum top in the suction sump, flow into floating drum certainly, and this moment, floating drum and water exit elbow gravity increased; Greater than buoyancy, be immersed in the water, sink down into lowest water level baffle plate place.System gets into the water outlet cycle, and the pool inner water position is higher than outlet conduit and water outlet, and Chi Shui flows out through outlet conduit through syphonic effect.Wherein, the rising pipe caliber is big than water inlet pipe, and concrete PIPE DIAMETER CALCULATION can be calculated definite according to the design conditions and the elevation position of follow-up artificial swamp through waterpower.Along with the water outlet of suction sump, water level descends gradually, when drop to floating drum in water level maintain an equal level; Behind the lowest water level place, sewage flows out through rising pipe simultaneously in suction sump and the floating drum, because the water outlet position is lower than the floating drum lowest part; So water all flows out in the floating drum; Air admission is to outlet conduit, and syphonic effect is destroyed, and water outlet stops.Because anhydrous in the floating drum, the suffered buoyancy of floating drum and water outlet is again greater than gravity, and system gets into the next water inlet cycle.
Description of drawings:
Fig. 1 is the sectional side view of perpendicular flow pattern artificial swamp intermittent water inflow of the present invention system.
Fig. 2 is the plat of Fig. 1 system.
Among the figure: 1. suction sump body; 2. water inlet bend pipe; 3. water exit elbow; 4. top water-level baffle plate; 5. hollow cylinders floating drum; 6. floating drum delivery hose; 7. water outlet connects flexible pipe; 8. lowest water level baffle plate; 9. pool wall buoy lifting groove; 10. rising pipe.
Embodiment:
A kind of intermittent water inflow system that is applicable to perpendicular flow pattern artificial swamp provided by the invention in conjunction with attaching Fig. 1 and 2, describes the water inlet system structure among the present invention.Suction sump 1 can adopt Steel Concrete or brickwork construction; Top connects outside sewage collecting pipe to suction sump 1 through water inlet bend pipe 2 (PVC hard tube); The pond median water level is controlled by top water-level baffle plate 4 and lowest water level baffle plate 8; The highest and lowest water level baffle plate water level should calculate according to designed water, and lowest water level baffle plate water level should be higher than the water level of rising pipe 10, so that utilize the surplus water in the hollow cylinders floating drum 5 of syphonic effect emptying; Water exit elbow 3 (PVC hard tube) connects water outlet connection flexible pipe 7 (PVC flexible pipe) and links to each other with rising pipe 10; And be weldingly fixed on hollow cylinders floating drum 5 (PVC material) top, and being connected to form U trap through floating drum delivery hose 6 between hollow cylinders floating drum 5 and the water exit elbow 3, systematic procedure hollow core cylinders floating drum 5 passes through 9 one liftings of pool wall buoy lifting groove with water exit elbow 3; In addition; The outlet conduit caliber is big than inlet channel, and water flow water inlet is big, can confirm pipe diameter and trend through waterpower calculating according to the design conditions and the elevation position of subsequent disposal artificial swamp.
Below be a specific embodiment that adopts technical scheme of the present invention:
Present embodiment is a vertical-flow artificial swamp treatment project, and the Engineering Service object is the domestic sewage in rural areas by using in contiguous 1 village, and service population is about 1000 people, and wetland design water conservancy load is 0.15m
3/ (m
2* day), wetland takes up an area of and is 20m*30m, and the domestic sewage in rural areas by using influent quality is pH=8.21, and CODcr is 282.2mg/L, and TN is 38.02mg/L, NH
4 +-N is 24.53mg/L.Because village sewage produces flow and exists significantly periodly, the inhomogeneous alternation of wetting and drying reoxygenation that causes of artificial swamp flooding velocity in the early stage operational process is disorderly, and treatment effect is undesirable.Later stage, the removal efficient of dissolved oxygen and organism and total nitrogen adopted the inventive method in the raising wetland in order to guarantee the stability of wetland water inlet.
1. intermittent loading is adopted in the wetland water inlet, promptly handles every day in the even wet land system of batching of sewage gradation number average, and the water outlet of whole day suction sump is roughly 4 times; Time period is respectively point-9 2 times in mornings 7; Noons 11, point-1 was 2 times, and evening, the 6-10 point was 4 times, flooding quantity be 11.25 tons/inferior.
2. suction sump is of a size of 3m*2.5m*1.5m (L*W*H), and pool wall adopts reinforcing bar to mix earth, and wall thickness is 20cm; The water inlet pipe caliber is DN100mm, and the rising pipe caliber is DN150mm, all adopts PVC hard tube material; The water inlet pipe elevation is 1.4m, and the rising pipe elevation is 0.1m, and water exit elbow and delivery hose pipe connecting caliber are DN150mm; Top water-level plastic dam elevation is 1.2m, and lowest water level plastic dam elevation is 0.2m.
3. hollow cylinders floating drum body diameter is 20cm, and length is 3m, and material is used the PVC material, and pool wall buoy lifting groove diameter is 22cm, and floating drum delivery hose caliber is DN50mm.
After adopting this system's water inlet; The running of artificial swamp system is more stable; Water outlet dissolved oxygen DO on average increases to 0.5mg/L; Ammonia nitrogen removal frank never uses 49.25% before the water inlet system to rise to 69.04%, and nitrogen removal rate rises to 65.14% from 43.03%, and the CODcr clearance rises to 95.63% from 82.94%.
Claims (2)
1. perpendicular flow pattern artificial swamp intermittent water inflow system; Comprise suction sump, water inlet pipe and rising pipe is characterized in that; Also comprise the rising pipe that is installed in the suction sump system of drifting along; Said rising pipe drift along system mainly by water exit elbow, floating drum, top water-level baffle plate, lowest water level baffle plate, water outlet connect flexible pipe, pool wall buoy lifting groove is formed, wherein, water exit elbow is fixed on above the floating drum; Connect hose connection to rising pipe through water outlet; Be connected to form U trap between floating drum and the water exit elbow,, make floating drum and water exit elbow intermittent type ground that syphonic effect and outwards draining take place through with pool wall buoy lifting groove fluctuating in certain water level range; Top water-level baffle plate and lowest water level baffle plate are erected in the suction sump, and the rising pipe water level is lower than lowest water level baffle plate water level, are used to control the retaining volume, and then control artificial swamp intermittent water inflow amount.
2. perpendicular flow pattern artificial swamp intermittent water inflow according to claim 1 system; It is characterized in that said floating drum adopts hollow cylinders floating drum, be welded to connect floating drum and water exit elbow fixing; Be connected to form U trap through the floating drum delivery hose between the two, common come-up and sinking in the process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104101756A CN102515358A (en) | 2011-12-09 | 2011-12-09 | Vertical flow type constructed wetland batch injection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104101756A CN102515358A (en) | 2011-12-09 | 2011-12-09 | Vertical flow type constructed wetland batch injection system |
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| CN102515358A true CN102515358A (en) | 2012-06-27 |
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| CN2011104101756A Pending CN102515358A (en) | 2011-12-09 | 2011-12-09 | Vertical flow type constructed wetland batch injection system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106649997A (en) * | 2016-11-18 | 2017-05-10 | 中国科学院生态环境研究中心 | Design for balancing automatic water distribution system |
| CN108996777A (en) * | 2018-08-24 | 2018-12-14 | 盐城英贝吉环保科技有限公司 | A kind of chemical wastewater treatment device and processing method |
| CN109231466A (en) * | 2018-10-11 | 2019-01-18 | 南京工业大学 | Multistage algae ecological wetland using potential energy |
| CN109437399A (en) * | 2018-11-30 | 2019-03-08 | 北京首创股份有限公司 | Water injection type microkinetic water decanter |
| CN110526407A (en) * | 2019-09-06 | 2019-12-03 | 重庆大学 | A kind of pulse water dispensing apparatus |
| CN110629852A (en) * | 2019-09-25 | 2019-12-31 | 台晨茜 | Sponge city is with shrink pipeline |
| CN112110545A (en) * | 2020-06-30 | 2020-12-22 | 华电水务科技股份有限公司 | Unpowered constructed wetland system |
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| CN1634770A (en) * | 2005-01-13 | 2005-07-06 | 上海交通大学 | Self-adjusting dry-wet alternated parallel-operation water tank system |
| JP2008068211A (en) * | 2006-09-14 | 2008-03-27 | National Agriculture & Food Research Organization | Underflow-type constructed wetland system |
| CN201288090Y (en) * | 2008-09-26 | 2009-08-12 | 丁龙华 | Telescopic tube type decanter |
| CN201343463Y (en) * | 2008-12-11 | 2009-11-11 | 山东良成环保工程有限公司 | Float type novel decanter |
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2011
- 2011-12-09 CN CN2011104101756A patent/CN102515358A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1634770A (en) * | 2005-01-13 | 2005-07-06 | 上海交通大学 | Self-adjusting dry-wet alternated parallel-operation water tank system |
| JP2008068211A (en) * | 2006-09-14 | 2008-03-27 | National Agriculture & Food Research Organization | Underflow-type constructed wetland system |
| CN201288090Y (en) * | 2008-09-26 | 2009-08-12 | 丁龙华 | Telescopic tube type decanter |
| CN201343463Y (en) * | 2008-12-11 | 2009-11-11 | 山东良成环保工程有限公司 | Float type novel decanter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106649997A (en) * | 2016-11-18 | 2017-05-10 | 中国科学院生态环境研究中心 | Design for balancing automatic water distribution system |
| CN108996777A (en) * | 2018-08-24 | 2018-12-14 | 盐城英贝吉环保科技有限公司 | A kind of chemical wastewater treatment device and processing method |
| CN109231466A (en) * | 2018-10-11 | 2019-01-18 | 南京工业大学 | Multistage algae ecological wetland using potential energy |
| CN109437399A (en) * | 2018-11-30 | 2019-03-08 | 北京首创股份有限公司 | Water injection type microkinetic water decanter |
| CN110526407A (en) * | 2019-09-06 | 2019-12-03 | 重庆大学 | A kind of pulse water dispensing apparatus |
| CN110526407B (en) * | 2019-09-06 | 2021-09-28 | 重庆大学 | Pulse water distribution device |
| CN110629852A (en) * | 2019-09-25 | 2019-12-31 | 台晨茜 | Sponge city is with shrink pipeline |
| CN110629852B (en) * | 2019-09-25 | 2021-03-02 | 湖南凯迪工程科技有限公司 | Sponge city is with shrink pipeline |
| CN112110545A (en) * | 2020-06-30 | 2020-12-22 | 华电水务科技股份有限公司 | Unpowered constructed wetland system |
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Application publication date: 20120627 |