CN202766358U - Reinforced constructed wetland device for deep wastewater treatment - Google Patents
Reinforced constructed wetland device for deep wastewater treatment Download PDFInfo
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- CN202766358U CN202766358U CN2012203569877U CN201220356987U CN202766358U CN 202766358 U CN202766358 U CN 202766358U CN 2012203569877 U CN2012203569877 U CN 2012203569877U CN 201220356987 U CN201220356987 U CN 201220356987U CN 202766358 U CN202766358 U CN 202766358U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model belongs to the technical field of wastewater treatment, in particular to a reinforced constructed wetland device for deep wastewater treatment. The reinforced constructed wetland device comprises a vertical flow wetland and a subsurface flow wetland. The vertical flow wetland is a complex vertical flow wetland divided into an upward flow area and a downward flow area by a middle partition. Wastewater firstly flows through the downward flow area from top to bottom and then enters the upward flow area through a gap below the middle partition, so that the wastewater flows upward in the downward flow area. The subsurface flow wetland is in a vertical turbulent structure, and namely the subsurface flow wetland is divided into a plurality of cells by a plurality of partitions. Upper and lower edges of adjacent partitions are provided with alternating water holes which the wastewater flows through. Therefore, the wastewater turbulently flows in the whole subsurface flow wetland, and the function of filler of the whole wetland is conveniently given to full play and treatment effect is improved.
Description
Technical field
The utility model belongs to technical field of sewage, is specifically related to a kind of reinforcement formula constructed wetland device of advanced treatment of wastewater.
Background technology
Artificial swamp (constructed wetlands) is by the simulating nature wetland, artificial design and the complex body that is comprised of matrix, plant, microorganism and water body of building utilize physics, chemistry and the biological triple synergies of ecosystem mesostroma-waterplant-microorganism to realize purification to sewage.Compare with traditional second-stage treatment technology, artificial swamp is used for ecological wastewater processing, and to have a Construction and operation cost low, power consumption is few, effluent quality is good, and running maintenance is convenient, and system configuration plasticity-is strong, to the load variations strong adaptability, there are stronger organism, nutritive substance removal ability and ecological environment benefit significantly also can beautify the environment, can realize the characteristics such as waste water reclaiming, be widely used in processing polytype waste water.Sewage disposal technology take artificial swamp as core combines the sewage treatment function of wetland and its ecoscape function and processes, and has realized beautifying environment.Utilize the land resources advantage of samll cities and towns to adopt reinforcement formula artificial wetland process, water outlet reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level A standard, pollutant removal high-level efficiency, less energy-consumption have been realized, the targets such as deep purification of waste water reuse can be the water resources shortage solution of problem and explore an ecology, energy-conservation, efficient road.
Summary of the invention
The purpose of this utility model be to propose a kind of simple in structure, can efficiently remove pollutent the reinforcement formula constructed wetland device for advanced treatment of wastewater.
The utility model provides a kind of reinforcement formula constructed wetland device for advanced treatment of wastewater, formed by vertical-flow wetland pond and current wetland pond two portions, the vertical-flow wetland pond is separated into downstream district and up stream district by vertical partition plate, left water space at the bottom of dividing plate and the pond, and made sewage do the upwelling motion in dirty zone; Downstream is divided into two-layer up and down, the upper strata is water distribution deodorization layer, and lower floor is the sub-treatment zone of green stone, and its levels filler is green stone, the blue or green cobble-stone diameter on upper strata is greater than the blue or green cobble-stone diameter of lower floor, and this packing layer mainly contains two effects: 1) be assigned to uniformly sewage in the wet land system; 2) with the tank level control of water inlet in the bottom of this layer, can reduce the impact that the stink because of raw waste water causes to surrounding environment, can reduce growing of mosquitos and flies in summer simultaneously; Described downstream is planted emergent in the district, and emergent can absorb the pollutents such as nitrogen, phosphorus and COD in the water body on the one hand, on the other hand, can provide oxygen to wet land system, thereby guarantees the Degradation and Transformation of pollutent;
Described up stream is divided into three layers, lower floor is the sub-treatment zone of green stone, the middle level is coarse sand stone flour treatment zone, filler is the mixture of coarse sand and bluestone powder, the upper strata is the free water tagma, and the place that maintains an equal level mutually in upper strata and water distribution deodorization floor bottom surface, downstream district sets liquid level, arranges water shoot, the water outlet of water shoot is higher than current wetland pond upper surface, and submerged plant is planted in the coarse sand powder of middle level; The pollutents such as the root system of submerged plant can absorbed nitrogen, phosphorus, COD simultaneously can be to the packing layer oxygen supply.
The sewage of processing through vertical-flow wetland enters current wetland by the outlet of the water shoot of up stream district pool wall one side.The composite vertical current wetland is generally ground type, and the pond body adopts brick mix structure to build.
The vertical baffling structure is adopted in the current wetland pond, namely by a plurality of dividing plates are set, the pond is divided into several descending and up vertical subsurface flow districts, described dividing plate with at the bottom of the pond, vertical linking to each other of interval, top, pond, and water space was alternately left with Chi Ding, bottom in the upper and lower edge of adjacent separator, sewage flows through in by the hole, can make like this sewage make up and down baffling in whole current wetland, is convenient to give full play to the work of whole wet land filler in order to improve treatment effect; Described current wetland pond is divided into two-layer, and the upper strata is pedosphere, and lower floor is the green stone sublayer, plants emergent in the upper layer of soil layer; Establish the perforation header at the bottom of the pond in described current wetland pond, the perforation header links to each other with water shoot and passes all dividing plates and terminal pool wall extends to outside the pond.
The current wetland pond can be ground type, semi-underground type and underground type, adopts brick mix structure, ground to have the gradient of 2 ~ 3% tendency water side.The feed-water end of current wetland should than the low at least 20cm in composite vertical current water side, guarantee that the water outlet of composite vertical current can enter in the current wetland smoothly.
In the utility model, evacuated tube and bearing are all installed in the bottom in vertical-flow wetland pond and underflow type artificial wet land pond, and vertical-flow wetland arranges evacuated tube at ground proximity place, the bottom in up pond, and be convenient when safeguarding, with this pond emptying.
In the utility model, emergent is selected from one or more of reed, hay grass, cyperus alternifolius, Canna generalis Bailey or calamus.
In the utility model
,Submerged plant is selected from one or more in hydrilla verticillata, watermifoil, p.malaianus, eel grass, waterweed or the dejected grass.
In the utility model, the middle portion of perforation header and water shoot is installed threeway, the 90 degree elbows that make progress at the other end installation outlet of water shoot, on connect vertical telescopic tube, regulate the depth of water in wetland by this expansion pipe; Perhaps directly fix a drainpipe at the different heights place of pool wall and mounting ball valve, by the depth of water in the open to shut to regulate wetland of different heights ball valve.
In vertical current constructed wetland and underflow type artificial wet land unit, the removal approach of principal pollutant is as follows:
1) removal of COD.In whole wetland unit COD mainly by wet land system in heterotrophic microorganism as carbon source and energy utilization, can be utilized by plant absorbing simultaneously.
2) removal of nitrogenous compound.In the packing area of vertical-flow wetland, near plant root system part, organonitrogen and ammonia nitrogen and nitrite nitrogen can be oxidized to nitric nitrogen, and nitric nitrogen is reduced into the nitrogen removal at anoxic and the anaerobic zone away from root system; In whole current wetland, can pass through nitration denitrification denitrogenation; A part of ammonia nitrogen and nitre nitrogen can directly be utilized by plant and microorganism simultaneously.
The utlity model has following advantage:
1, improved composite vertical current wetland, at the free water tagma in up stream pond kind planting submerged plant, can Effective Raise should the zone dissolved oxygen content, thereby be conducive to the carrying out of nitration reaction.
2, the underflow type artificial wet land of transforming has added flap, has increased the tortuosity of current, has improved contaminant removal efficiency.
3, by use that the composite vertical current wetland is connected with underflow type artificial wet land, improved the contaminant removal efficiency such as nitrogen, made effluent quality better.
Description of drawings
Fig. 1 is artificial swamp structural representation of the present utility model.
Number in the figure: 1 is water distribution deodorization layer, and 2 is the sub-treatment zone of green stone, and 3 is coarse sand stone flour treatment zone, 4 is submerged plant, and 5 is the free water tagma, and 6 is dividing plate, 7 is bearing, and 8 is evacuated tube, and 9 are the perforation header, 10 is water shoot, 11 is emergent, and 12 is the vertical-flow wetland pond, and 13 is undercurrent type wetland pond, 14 is water shoot, 15 water port.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment 1
The utility model provides a kind of reinforcement formula constructed wetland device for advanced treatment of wastewater as shown in Figure 1.
The sewage water advanced treatment apparatus of present embodiment, vertical-flow wetland pond 12 is the composite vertical current wetland, this wetland pond 12 is divided into up stream district and downstream district by central dividing plate 6, the sewage downstream district that flows through at first from top to bottom, and then enter the up stream district by the gap of central dividing plate 6 bottoms, make sewage in the composite vertical current wetland, do the upwelling motion.Downstream district packed height is 70cm, is divided into as two-layer: the upper strata depth of packing is 10cm, and particle diameter is 3 ~ 5cm, and this packing layer mainly contains two effects: 1) be assigned to uniformly sewage in the wet land system; 2) with the tank level control of water inlet in the bottom of this layer, can reduce the impact that the stink because of raw waste water causes to surrounding environment, can reduce growing of mosquitos and flies in summer simultaneously, lower thickness is 60cm, this layer is treatment zone, and packing material size is 1 ~ 2cm, and this district's filler is green stone for building.Underflow district institute kind of plant can be emergent 11, can be one or more the combination in reed, hay grass, cyperus alternifolius, Canna generalis Bailey and the calamus, these plants pollutents such as nitrogen phosphorus in the water body and COD that can absorb water on the one hand, on the other hand, can provide oxygen to wet land system, thereby guarantee the Degradation and Transformation of pollutent; Up stream district depth of packing is 60cm, is divided into three layers: lower thickness is 10cm, and filler is green stone 2 of particle diameter 1 ~ 2cm; Intima-media thickness is 20cm, and filler is the mixture 3 of coarse sand and bluestone powder, and the blending ratio between the two is (1 ~ 3): 1; The upper strata is free water tagma 5, and this region height is 30cm.The selected plant in up stream district is submerged plant 4, and submerged plant is selected from one or more the combination in hydrilla verticillata, watermifoil, p.malaianus, the withered grass, can be a kind of or its combination in waterweed and the dejected grass winter.Submerged plant 4 is planted in middle filler, the root system of submerged plant 4 pollutents such as nitrogen, phosphorus, COD that can absorb water, simultaneously can be to the packing layer oxygen supply, the whole plant of submerged plant 4 all is immersed in the water, can be by photosynthesis to oxygen supply of water body in the pollutents such as suction nitrogen, phosphorus, COD.
Drowned flow artificial wet land 13 adopts the vertical baffling structure, namely by a plurality of dividing plates 6 current wetland 13 is divided into some lattice, the upper edge of adjacent separator 6 and lower edge alternately were provided with water space, sewage flows through in the gap, can make like this sewage in whole current wetland, make up and down baffling, be convenient to give full play to the work of whole wet land filler in order to improve treatment effect.The longitudinal degree of current wetland 13 is 70 ~ 80cm, its at the middle and upper levels 20cm be pedosphere, as the plantation layer of plant, simultaneously can remove the part pollutent; 50 ~ the 60cm of lower floor is treatment zone, and filler is selected green stone, and particle diameter is 1 ~ 3cm.Selected plant can be one or more the combination in the emergents such as reed, hay grass, cyperus alternifolius, Canna generalis Bailey and calamus in the current wetland 13.The water-out manners of current wetland 13 has two kinds: 1) establish perforation header 9 at the bottom of the close pond of wetland 13 ends, the middle portion of perforation header 9 is installed threeway, connecting water shoot 10 by threeway wears pool wall at the bottom of the pond and goes out, the 90 degree elbows that make progress at the other end installation outlet of water shoot 10, on connect vertical telescopic tube, regulate the depth of water in wetland by this expansion pipe; 2) direct different heights at pool wall fixes a drainpipe and mounting ball valve, can be by the depth of water in the open to shut to regulate wetland of different heights ball valve.In whole wetland bottom, establish perforation header 9 along the pond length direction by pool wall, the header 9 of boring a hole links to each other with water shoot 10 and passes all dividing plate 6(and carry out antiseepage) and terminal pool wall outside the pond, the end of water shoot arranges relief outlet 15.Open and close with ball valve control, open ball valve when safeguarding, emptying wetland is closed ball valve when normally moving.Current wetland 13 can be ground type, semi-underground type and underground type, adopts brick mix structure, ground to have the gradient of 2 ~ 3% tendency water side.The feed-water end of current wetland should than composite vertical current water shoot 14 low at least 20cm, guarantee that the water outlet of composite vertical current 12 can enter in the current wetland 13 smoothly.
During sewage disposal, at first, to introduce in the first step composite vertical current formula artificial swamp pond 12 through pretreated sanitary sewage, make it be entered the downstream district that forms through the sub-treatment zone 2 of green stone by water distribution deodorization floor 1 in vertical partition plate 6 one sides, then the passage by vertical partition plate 6 bottoms enters vertical partition plate 6 opposite sides, namely is in the up stream district that is comprised of grit powder treatment zone 3 and free water tagma 5.The liquid level in free water tagma 5 is lower than the water distribution deodorization floor 1 in downstream district.
Secondly, to enter in the vertical baffling underflow type artificial wet land pond 13 through water shoot 14 through reclaimed water in the composite vertical current artificial wetland pond 12, sanitary sewage is further processed, then collected by vertical baffling underflow type artificial wet land perforation header 9, and discharged by water shoot 10.
Claims (6)
1. a reinforcement formula constructed wetland device that is used for advanced treatment of wastewater is comprised of vertical-flow wetland pond (12) and current wetland pond (13) two portions, it is characterized in that:
Described vertical-flow wetland pond (12) is separated into downstream district and up stream district by vertical partition plate (6), and dividing plate (6) He Chidi left water space; Described downstream is divided into two-layer up and down, the upper strata is water distribution deodorization layer (1), and lower floor is the sub-treatment zone of green stone (2), and its levels filler is green stone, the blue or green cobble-stone diameter on upper strata is planted emergent (11) greater than the blue or green cobble-stone diameter of lower floor in the described downstream district; Described up stream is divided into three layers, lower floor is the sub-treatment zone of green stone, the middle level is coarse sand stone flour treatment zone (3), the upper strata is free water tagma (5), set liquid level in fair place mutually on upper strata and downstream district water distribution deodorization floor (1) bottom surface, arrange water shoot (14), the water outlet of water shoot (14) is higher than current wetland pond (13) upper surface, and submerged plant (4) is planted in middle level coarse sand powder (3);
A plurality of dividing plates (6) are set in the described current wetland pond (13), pond (13) are divided into several descending and up vertical subsurface flow districts, described dividing plate (6) with at the bottom of the pond, vertical linking to each other of interval, top, pond, and water space was alternately left with Chi Ding, bottom in the upper and lower edge of adjacent separator (6); Described current wetland pond (13) is divided into two-layer, and the upper strata is pedosphere, and lower floor is the green stone sublayer, plants emergent (11) in the upper layer of soil layer; Establish perforation header (9) at the bottom of the pond in described current wetland pond (13), perforation header (9) links to each other with water shoot (10) and passes all dividing plates (6) and terminal pool wall extends to outside the pond.
2. reinforcement formula constructed wetland device according to claim 1 is characterized in that: in the bottom of described vertical-flow wetland pond (12) and current wetland pond (13) evacuated tube (8) and bearing (7) are installed all.
3. reinforcement formula constructed wetland device according to claim 1, it is characterized in that: described emergent (11) is selected from one or more of reed, hay grass, cyperus alternifolius, Canna generalis Bailey or calamus.
4. reinforcement formula constructed wetland device according to claim 1, it is characterized in that: described submerged plant (4) is selected from one or more in hydrilla verticillata, watermifoil, p.malaianus, eel grass, waterweed or the dejected grass.
5. reinforcement formula constructed wetland device according to claim 1, it is characterized in that: the middle portion of described current wetland pond (13) middle punch header (9) and water shoot (10) is installed threeway, threeway connects water shoot and wears pool wall at the bottom of the pond and go out, the 90 degree elbows that make progress at the other end installation outlet of water shoot (10), on connect vertical telescopic tube.
6. reinforcement formula constructed wetland device according to claim 1 is characterized in that: the different heights place in described current wetland pond (13) fixes a drainpipe and mounting ball valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203569877U CN202766358U (en) | 2012-07-23 | 2012-07-23 | Reinforced constructed wetland device for deep wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203569877U CN202766358U (en) | 2012-07-23 | 2012-07-23 | Reinforced constructed wetland device for deep wastewater treatment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130384A (en) * | 2013-03-29 | 2013-06-05 | 黄河勘测规划设计有限公司 | Multi-baffle subsurface flow constructed wetland system |
| CN104773918A (en) * | 2015-04-03 | 2015-07-15 | 暨南大学 | Nitrification, denitrification and denitrogenation artificial baffling type ecological system and method for river or pond |
| CN105217793A (en) * | 2015-10-15 | 2016-01-06 | 山东大学 | The artificial wet land system of the annual stabilizing treatment sanitary sewage of built-up type and operation method |
| CN107416980A (en) * | 2017-04-24 | 2017-12-01 | 海绵城市投资股份有限公司 | A kind of Artificial subsurface flow wetland sewage disposal device and its sewage water treatment method |
| CN108083449A (en) * | 2018-02-07 | 2018-05-29 | 桂林理工大学 | A kind of simulation free water surface wetland reactor |
| CN108689496A (en) * | 2018-05-25 | 2018-10-23 | 云南交投市政园林工程有限公司 | Floating-bridge type composite constructed wetland system |
| CN110357267A (en) * | 2019-07-31 | 2019-10-22 | 江苏山水环境建设集团股份有限公司 | Step multistage drowned flow artificial wet land processing pond and its construction method |
-
2012
- 2012-07-23 CN CN2012203569877U patent/CN202766358U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130384A (en) * | 2013-03-29 | 2013-06-05 | 黄河勘测规划设计有限公司 | Multi-baffle subsurface flow constructed wetland system |
| CN104773918A (en) * | 2015-04-03 | 2015-07-15 | 暨南大学 | Nitrification, denitrification and denitrogenation artificial baffling type ecological system and method for river or pond |
| CN105217793A (en) * | 2015-10-15 | 2016-01-06 | 山东大学 | The artificial wet land system of the annual stabilizing treatment sanitary sewage of built-up type and operation method |
| CN105217793B (en) * | 2015-10-15 | 2017-12-01 | 山东大学 | The artificial wet land system and operation method of the annual stable processing sanitary sewage of combined type |
| CN107416980A (en) * | 2017-04-24 | 2017-12-01 | 海绵城市投资股份有限公司 | A kind of Artificial subsurface flow wetland sewage disposal device and its sewage water treatment method |
| CN108083449A (en) * | 2018-02-07 | 2018-05-29 | 桂林理工大学 | A kind of simulation free water surface wetland reactor |
| CN108689496A (en) * | 2018-05-25 | 2018-10-23 | 云南交投市政园林工程有限公司 | Floating-bridge type composite constructed wetland system |
| CN110357267A (en) * | 2019-07-31 | 2019-10-22 | 江苏山水环境建设集团股份有限公司 | Step multistage drowned flow artificial wet land processing pond and its construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20170723 |
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