CN104961288B - The sewage disposal system that ecological oxidation ditch is combined with ecological box wetland - Google Patents
The sewage disposal system that ecological oxidation ditch is combined with ecological box wetland Download PDFInfo
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- CN104961288B CN104961288B CN201410393948.8A CN201410393948A CN104961288B CN 104961288 B CN104961288 B CN 104961288B CN 201410393948 A CN201410393948 A CN 201410393948A CN 104961288 B CN104961288 B CN 104961288B
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Abstract
The invention discloses the sewage disposal system that a kind of ecological oxidation ditch is combined with ecological box wetland, both combine and are not only able to farthest economize the land resource, additionally it is possible to increase substantially the effect that there is sewage purification ability wide spectrum to decontaminate.Ecological oxidation ditch, COD, TN, NH therein are first flowed through using sewage4 +N and TP etc. is removed by water plant initial absorption therein, and increases dissolved oxygen in water；The sewage of oxygen-enriched outflow flows into the ecological box wetland of series connection, flowed into by the bottom of ecological box wetland, top sidewall flows out, and in whole water conservancy holding process, plays a part of filtration, purification, be conducive to the removal of organic granular in sewage, and the sewage rich in dissolved oxygen is conducive to the culture of filtrate top layer biomembrane, there is nitration reaction, convert ammonia nitrogen and nitrite nitrogen, and the wetland plant of the superiors further absorbs N element therein and P element, while reaching effect attractive in appearance.The present invention is applied to sewage disposal of the serious pollution water body before river course is entered.
Description
Technical field
The invention belongs to field of environment protection, be related to a kind of sewage disposal system, and in particular to a kind of ecological oxidation ditch with
The sewage disposal system that ecological box wetland is combined.
Background technology
With the improvement of people ' s living standards, the requirement to residence district and taste also more and more higher, then many new
Man-made lake or Small-scale Landscape Water Bodies have been built in city or residence district, exploitation commercial city, in order to ensure water quality, generally utilize and plant aquatic
Plant, the method for the structure ecosystem are come the subduction pollution that purifies water.But it is contaminated for the ecological riverway repaired
Water body is not suitable for being directly discharged to wherein, the sewage watershed management that need to carry out certain hour and the municipal rain, the dirt that coordinate government
Can be entered after waterpipe work.
The sewage disposal system for using in the prior art is conventional oxidation ditch, and it is a kind of end to end recycle stream aeration
The active sludge processing system of irrigation canals and ditches.Sewage and activated sludge discharge system after the even more circulations of tens circles are carried out in ditch
System, this pond type construction and the method for operation, make oxidation ditch have pulling flow type concurrently in fluidised form and be thoroughly mixed the dual characteristicses of formula.But
Some shortcomings are still present, such as there is sludgd deposition, expansion, float, oxidation ditch organic loading is too low, monotechnics denitrogenation dephosphorizing
The problems such as effect is poor.
Also have carries out sewage disposal using the method for artificial swamp, and such as Chinese invention patent application CN103253771 is disclosed
" prosthetic device is strengthened in a kind of artificial wetland water body denitrogenation ", including device body, emergent aquactic plant, intake pump, inlet water tank, it is described
Device body underfill sandy soil, and cover slag on described sandy soil surface；Described emergent aquactic plant is planted
Plant in described sandy soil；The water inlet of described intake pump is connected with described inlet water tank, and described intake pump goes out
The mouth of a river is passed through in described device body；The side wall of described frank body is provided with the discharge outlet of outlet valve.The device can
To realize the coupling of Anammox and half short distance nitration, water body denitrification reinforcing repair ability is strong；Chemical reagent tune need not be added
PH value in section system, reduces operating cost；Emergent aquactic plant root system provides micro- oxygen environment, meets the oxygen demand of ammonia oxidation bacteria, together
When do not suppress anaerobic ammonia oxidizing bacteria activity；Emergent aquactic plant grows absorbed nitrogen and phosphor contaminant, can also be removed while removal pollutant
Phosphorus, with good aesthetics and the ecological value.But it carries out water body denitrification reinforcing and repairs only with the method for artificial swamp, right
Can not be processed well in the less water quality of BOD.
Therefore, the sewage disposal system that a kind of ecological oxidation ditch is combined with ecological box wetland is studied, is very valuable.
The content of the invention
The technical problem to be solved in the present invention, is to provide the sewage disposal that a kind of ecological oxidation ditch is combined with ecological box wetland
System.The sewage disposal system combined using ecological oxidation ditch and ecological box wetland, is not only able to farthest saving soil
Ground resource, additionally it is possible to increase substantially the effect that there is sewage purification ability wide spectrum to decontaminate.
In order to solve the above technical problems, the technical solution used in the present invention is：
The sewage disposal system that a kind of ecological oxidation ditch is combined with ecological box wetland, it includes the subregion that sewage is imported and exported
Ecological oxidation ditch and the ecological box wetland that is sequentially connected in series of top end opening；
Described ecological box wetland includes case body, arrival end and the port of export；
Wherein, biological oxidation ditch outlet is connected by pipeline with the arrival end of ecological box wetland, its port of export with it is adjacent
The arrival end of ecological box wetland is connected in series, and is sequentially connected in series >=ecological box the wetland of 2, the port of export of the ecological box wetland of end
It is connected with river course.
As it is of the invention it is a kind of limit, described ecological oxidation ditch according to waterline zoning, from low to high successively
Including submerged plant area, floatingleaved plant area and emergent aquactic plant area.
Used as another restriction of the invention, the arrival end of described ecological box wetland is located at the side wall of case body bottom portion
On, the port of export is located in the top sidewall of case body.
As the further restriction of above-mentioned restriction, valve is equipped with the pipeline.
Further limited as the another kind of above-mentioned restriction, described ecological box wetland includes filter material layer, and filter material layer is certainly
Under above, it is distributed in from small to large in ecological box wetland according to the particle diameter of filtrate.
Used as the further restriction of above-mentioned restriction, the top kind of described ecological box wetland has wetland plant, wetland plant
Plant in filter material layer.
Used as the further restriction of above-mentioned restriction, described filter material layer includes bulky grain particle diameter filtrate successively from bottom to top
Layer, middle grain diameter filter material layer, little particle particle diameter filter material layer and soil layer.
Used as the further restriction of above-mentioned restriction, described bulky grain particle diameter filter material layer is by gravel layer or metalling group
Into；Middle grain diameter filter material layer is made up of modified zeolite layer or ceramic layer；Little particle particle diameter filter material layer is by Flyash Layer or activity
Layer of charcoal is constituted；Soil layer is made up of nutrition soil layer or plain soil layer.
Used as the further restriction of above-mentioned restriction, the thickness of described bulky grain particle diameter filter material layer is 40cm, middle particle
The thickness of particle diameter filter material layer is 20cm, the thickness of little particle particle diameter filter material layer is 20cm, the thickness of the layer is 20cm.
As a result of above-mentioned technical scheme, compared with prior art, acquired technological progress is the present invention：
The sewage disposal system that the present invention is combined using ecological oxidation ditch and ecological box wetland, is not only able at utmost
Economize the land resource, additionally it is possible to increase substantially sewage purification ability have wide spectrum decontaminate effect.Biological oxidation therein
Ditch first flows through life according to the difference of height of water level, subregion kind planting submerged plant area, floatingleaved plant area and emergent aquactic plant area, sewage
State oxidation ditch, COD therein（COD）、TN（Nitrogen pool）、NH4 +-N（Ammonia nitrogen amount）And TP（Total phosphorus content）Deng in ecological oxygen
By water plant initial absorption therein removal in change ditch, increase dissolved oxygen in water；Ecological box wetland is dropped in the form of anti-filter
Low flow velocity, the sewage of oxygen-enriched outflow flows into the ecological box wetland of series connection, is flowed into by the bottom of ecological box wetland, top sidewall stream
Go out, in whole water conservancy holding process, can play filtration, purification effect, advantageously in sewage organic granular removal, and
Sewage rich in dissolved oxygen is conducive to filtrate top layer biomembrane（Filtrate top layer biomembrane primary attachment, on the surface of filtrate, is nitrification
Bacterium, it is aerobic, organic carbon source is not required to, can effectively by ammonia nitrogen, nitrite nitrogen conversion nitrate nitrogen）Culture, occur nitration reaction, convert ammonia
Nitrogen and nitrite nitrogen, and the wetland plant of the superiors further absorbs N element therein and P element, the work attractive in appearance that may also reach up
With.
Sewage disposal system of the present invention is whole without any chemicals, using physical absorption, precipitation and
Landscape water, slight sewage, the purification of moderate sewage are realized in biological agent.And the system for being provided is easy to maintain, integral material
Selection there is diversity.Can select plastics, rubber, wood plank etc., convenient material drawing.Integral disassembly, assembly is easier to, globality
Preferably.The selection of water purification filter material layer therein also allows for materials, it is easier to large-scale promotion.
It is real after being if do not laid or incomplete place in rain sewage conduct, using the teaching of the invention it is possible to provide certain detergent power
Existing river corridor restoration is administered and provided the foundation and platform.
The present invention is applied to sewage disposal of the serious pollution water body before river course is entered.
The present invention is described in further detail below in conjunction with Figure of description with specific embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention（The direction of arrow represents water body flow direction）；
Fig. 2 is the structural representation of ecological oxidation ditch 1 in the embodiment of the present invention；
Fig. 3 is the structural representation of single ecological box wetland 2 in the embodiment of the present invention;
Fig. 4 is the A-A ' views of Fig. 3.
In figure：1-ecological oxidation ditch, 2-ecological box wetland, 3-submerged plant area, 4-floatingleaved plant area, 5-endure water
Floral region, 6-case body, 7-arrival end, 8-port of export, 9-valve, 10-filter material layer, 11-wetland plant, 12-big
Grain particle diameter filter material layer, 13-middle grain diameter filter material layer, 14-little particle particle diameter filter material layer, 15-soil layer.
Specific embodiment
The sewage disposal system that a kind of ecological oxidation ditch of embodiment is combined with ecological wetland
The sewage disposal system that a kind of ecological oxidation ditch is combined with ecological box wetland, as shown in figure 1, it is passed in and out including sewage
The ecological box wetland 2 that the subregional ecological oxidation ditch 1 and top end opening of mouth are sequentially connected in series；The direction of arrow in figure represents water body
The direction of flowing, sewage finally flows into river course into being processed by ecological box wetland again after ecological oxidation ditch.
As shown in Fig. 2 height zoning of the ecological oxidation ditch 1 according to waterline, includes that heavy water is planted successively from low to high
Thing area 3, floatingleaved plant area 4 and emergent aquactic plant area 5.Sewage is processed using different types of plant, sewage first flows through life
State oxidation ditch, COD, TN, NH therein4 +- N and TP etc. is removed in ecological oxidation ditch by water plant initial absorption therein,
Increase dissolved oxygen in water；Ecological box wetland reduces flow velocity in the form of anti-filter, and the sewage of oxygen-enriched outflow flows into the life of series connection
State case wetland, is flowed into by the bottom of ecological box wetland, and top sidewall outflow in whole water conservancy holding process, can play filtering
Catharsis, advantageously in sewage organic granular removal, and the sewage rich in dissolved oxygen is conducive to filtrate top layer biomembrane
（Filtrate top layer biomembrane is mainly absorption on the surface of filtrate, is nitrobacteria, aerobic, is not required to organic carbon source, can effectively by ammonia
Nitrogen, nitrite nitrogen conversion nitrate nitrogen）Culture, there is nitration reaction, convert ammonia nitrogen and nitrite nitrogen, and the wetland plant of the superiors enters one
Step absorbs N element therein and P element, the beauty function that may also reach up.
Described ecological box wetland 2 includes case body 6, arrival end 7 and the port of export 8；The arrival end of ecological box wetland 27
In on the side wall of the bottom of case body 6, the port of export 8 is located in the top sidewall of case body 6.The outlet of ecological oxidation ditch 1 is by pipe
Road is connected with the arrival end 7 of ecological box wetland 2, and its port of export 8 is connected in series with the arrival end of adjacent ecological box wetland 2, successively
The ecological box wetland 2 of series connection >=2, the port of export of the ecological box wetland 2 of end is connected with river course.Sewage uses the side of anti-filter formula
Method carries out purification process, is flowed into from the bottom inlet end 7 of ecological box wetland 2, and the port of export 8 at top flows out, by multiple ecological
The treatment purifying of case wetland 2, reduces the impurity in sewage, increases water quality, and finally flows into river course.
As shown in Figure 3 and Figure 4, the top kind of ecological box wetland 2 has wetland plant 11, and 11 kinds of wetland plant is in filter material layer 10
In, filter material layer 10 from top to bottom, is distributed in ecological box wetland 2, successively including by gravel from small to large according to the particle diameter of filtrate
The thickness of layer or metalling composition is the bulky grain particle diameter filter material layer 12 of 40cm, the thickness being made up of modified zeolite layer or ceramic layer
It is the middle grain diameter filter material layer 13 of 20cm, thickness is filtered for the little particle particle diameter being made up of Flyash Layer or active carbon layer of 20cm
The bed of material 14, thickness is the soil layer 15 being made up of nutrition soil layer or plain soil layer of 20cm.
The ecological box wetland 2 of series connection causes sewage in whole water conservancy holding process, plays filtration, purification effect, top kind
The wetland plant of plant can also absorb the nutriments such as N element and P element.
Valve 9 is equipped with the pipeline, the flow velocity of regulation water body that can be in good time tackles emergency situations, and make sewage
Treatment effect reaches most preferably.
The sewage disposal system that ecological oxidation ditch and ecological box wetland are combined, more single use biological oxidation
The method of ditch and ecological box wetland increased to the degree of sewage disposal, and can in time be adjusted according to actual conditions
Whole, to strain the requirement of different river water qualities, and system is whole without any chemicals, using physical absorption,
Landscape water, slight sewage, the purification of moderate sewage are realized in precipitation and biological agent.And the system for being provided is easy to maintain, whole
The selection of body material has diversity.Can select plastics, rubber, wood plank etc., convenient material drawing.Integral disassembly, assembly is easier to,
Globality is preferable.The selection of water purification filter material layer therein also allows for materials, it is easier to large-scale promotion.
It is real after being if do not laid or incomplete place in rain sewage conduct, using the teaching of the invention it is possible to provide certain detergent power
Existing river corridor restoration is administered and provided the foundation and platform.
The above, is only presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, is appointed
What those skilled in the art is changed as enlightenment possibly also with above-mentioned technology contents or is modified as equivalent variations
Equivalent embodiments.But it is every without departing from technical solution of the present invention content, according to technical spirit of the invention to above example
Done simple modification, equivalent variations and remodeling, still fall within the protection domain of the claims in the present invention.
Claims (4)
1. the sewage disposal system that a kind of ecological oxidation ditch is combined with ecological box wetland, it is characterised in that it includes entering with sewage
The ecological box wetland (2) that outlet and subregional ecological oxidation ditch (1) and top end opening are sequentially connected in series；
Described ecological box wetland (2) includes case body (6), arrival end (7) and the port of export (8)；
Wherein, the outlet of ecological oxidation ditch (1) is connected by pipeline with the arrival end (7) of ecological box wetland (2), its port of export
(8) arrival end with adjacent ecological box wetland (2) is connected in series, and is sequentially connected in series >=ecological box the wetland (2) of 2, the life of end
The port of export of state case wetland (2) is connected with river course；
Described ecological oxidation ditch (1) include successively according to waterline height zoning, from low to high submerged plant area (3),
Floatingleaved plant area (4) and emergent aquactic plant area (5)；
Described ecological box wetland (2) includes filter material layer (10)；
The top kind of described ecological box wetland (2) has wetland plant (11), and wetland plant (11) is planted in filter material layer (10)；
Described filter material layer (10) includes bulky grain particle diameter filter material layer (12), middle grain diameter filter material layer successively from bottom to top
(13), little particle particle diameter filter material layer (14) and soil layer (15)；
Described bulky grain particle diameter filter material layer (12) is made up of gravel layer or metalling；Middle grain diameter filter material layer (13) is by being modified
Zeolite layer or ceramic layer are constituted；Little particle particle diameter filter material layer (14) is made up of Flyash Layer or active carbon layer；Soil layer (15) is by seeking
Support soil layer or plain soil layer composition.
2. the sewage disposal system that ecological oxidation ditch according to claim 1 is combined with ecological box wetland, it is characterised in that：
On the side wall of case body (6) bottom, the port of export (8) is positioned at case body for the arrival end (7) of described ecological box wetland (2)
(6) in top sidewall.
3. the sewage disposal system that the ecological oxidation ditch according to any one of claim 1-2 is combined with ecological box wetland,
It is characterized in that：Valve (9) is equipped with the pipeline.
4. the sewage disposal system that ecological oxidation ditch according to claim 1 is combined with ecological box wetland, it is characterised in that：
The thickness of described bulky grain particle diameter filter material layer (12) be 40cm, middle grain diameter filter material layer (13) thickness for 20cm, small
The thickness of grain particle diameter filter material layer (14) is 20cm, the thickness of soil layer (15) is 20cm.
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| CN201410393948.8A CN104961288B (en) | 2014-08-12 | 2014-08-12 | The sewage disposal system that ecological oxidation ditch is combined with ecological box wetland |
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| CN104961288B true CN104961288B (en) | 2017-06-06 |
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| CN106554087A (en) * | 2017-01-05 | 2017-04-05 | 江苏龙腾工程设计股份有限公司 | River water body biological and ecological cleaning treatment system and its processing method |
| CN107399828A (en) * | 2017-09-07 | 2017-11-28 | 天津市水利科学研究院 | A kind of rural area purifying trench sewage system |
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| CN101041539A (en) * | 2007-03-07 | 2007-09-26 | 北京城市排水集团有限责任公司 | Water quality purification method in source-free water area and facilities |
| CN101045585A (en) * | 2007-04-04 | 2007-10-03 | 中国环境科学研究院 | Side-setted biological purifying method of river surface pollution |
| CN101412564A (en) * | 2008-11-06 | 2009-04-22 | 中国科学院南京地理与湖泊研究所 | Wet land technique for deep purification of tail water of sewage plant |
| CN101456629A (en) * | 2009-01-05 | 2009-06-17 | 北京大学 | Device of deep layer water distribution multi-medium ecological wetland sewage disposal system and method thereof |
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- 2014-08-12 CN CN201410393948.8A patent/CN104961288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041539A (en) * | 2007-03-07 | 2007-09-26 | 北京城市排水集团有限责任公司 | Water quality purification method in source-free water area and facilities |
| CN101045585A (en) * | 2007-04-04 | 2007-10-03 | 中国环境科学研究院 | Side-setted biological purifying method of river surface pollution |
| CN101412564A (en) * | 2008-11-06 | 2009-04-22 | 中国科学院南京地理与湖泊研究所 | Wet land technique for deep purification of tail water of sewage plant |
| CN101456629A (en) * | 2009-01-05 | 2009-06-17 | 北京大学 | Device of deep layer water distribution multi-medium ecological wetland sewage disposal system and method thereof |
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Address after: 200090 room 213, living building, 300 Jungong Road, Yangpu District, Shanghai Patentee after: Shanghai aquatic Technology Co.,Ltd. Address before: 200090 room 213, living building, 300 Jungong Road, Yangpu District, Shanghai Patentee before: SHANGHAI AQUATIC ENVIRONMENT ENGINEERING CO.,LTD. |
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