CN104085993B - A kind of constructed wetland device - Google Patents
A kind of constructed wetland device Download PDFInfo
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- CN104085993B CN104085993B CN201410375789.9A CN201410375789A CN104085993B CN 104085993 B CN104085993 B CN 104085993B CN 201410375789 A CN201410375789 A CN 201410375789A CN 104085993 B CN104085993 B CN 104085993B
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- immobilized microorganism
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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
Abstract
The invention discloses a kind of constructed wetland device, comprise artificial swamp pond, suction culvert, aerating apparatus and water unit, it is characterized in that, also comprise immobilized microorganism plate, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: aerobic immobilized microorganism layer, gravel bed, cinder layer, anaerobic immobilized microbial layer and furfural slag blanket; Aerobic immobilized microorganism layer upper end is provided with suction culvert, and water inlet pipe is through pool wall; Described aerobic immobilized microorganism layer and anaerobic immobilized microbial layer are all provided with immobilized microorganism plate, aerobic immobilized microorganism layer lower end is provided with aerating apparatus, aeration house steward, through pool wall, arranges woven wire between anaerobic immobilized microbial layer cinder layer; Water unit is made up of posticum, water leg and water leg water shoot, and water unit is arranged on manually; Described artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier.
Description
Technical field
The present invention relates to sewage treatment area, more specifically to a kind of constructed wetland device.
Background technology
Artificial swamp is a kind of Novel sewage treatment process that 20 century 70s grow up, and he utilizes the triple synergy of the physics in natural system, chemistry and biology to realize dirty water purification.Constructed wetland waste water treatment technology has that treatment effect is good, removal efficiency of nitrogen and phosphorus is high, during-operation service is convenient, engineering capital construction and the advantage such as running expense is low, is thus widely applied to sanitary sewage disposal, Industrial Waste Water Treatments with, mine and oil production, agriculture point source and pollution of area source and body eutrophication issue handling.
Traditional activated sludge process is applied widely in sewage disposal, main because containing a large amount of living microorganisms in active sludge, these microorganisms fast and effeciently can remove the organism in sewage, and have good Nitrogen/Phosphorus Removal, but traditional activated sludge process mud is blended in sewage and is in a kind of fluidised form.At present, immobilized microorganism technology is obtained pay close attention to widely both at home and abroad, as the patent No. is: describe a kind of immobilized microorganism preparation method in 200910056687.X patent specification; Immobilized microorganism principal character is that Microorganism incubation becomes a kind of solid-state, is placed in sewage and has fixing shape, and microorganism not loss of activity, there is good wastewater treatment efficiency.
Artificial swamp is longer compared to other traditional sewage treatment process hydraulic detention times at sewage treatment process, other objectionable impuritiess such as the organism in the sewage of artificial swamp, nitrogen phosphorus are removed mainly through the adsorption of filtrate, a small amount of microorganism can be adsorbed in filtrate gap, microorganism is by the organism in self-acting removal sewage and nitrogen phosphorus, but the less therefore microbial process of the content of microorganisms in filtrate is limited, excessive free state microorganism easily causes filter clogging.
Immobilized microorganism is mainly applied in artificial wet land system by the present invention, microorganism also has aerobic and anaerobism alternate environment, increase microbial process effect, simultaneously because microorganism is in immobilized state, therefore not easily cause artificial swamp to block, improve the wastewater treatment efficiency of artificial swamp entirety.
Summary of the invention
The object of the invention is to, provide a kind of constructed wetland device, immobilized microorganism, microorganism aerobic anaerobic treatment and artificial swamp organically combine by native system.Adopt native system effectively can improve the wastewater treatment efficiency of artificial swamp; For achieving the above object, present invention employs following technical scheme:
A kind of constructed wetland device, comprise artificial swamp pond, suction culvert, aerating apparatus and water unit, also comprise immobilized microorganism plate, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: aerobic immobilized microorganism layer, gravel bed, cinder layer, anaerobic immobilized microbial layer and furfural slag blanket; Described aerobic immobilized microorganism layer upper end is provided with the suction culvert be made up of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, water inlet pipe is provided with Liquid valve and liquid meter; Described aerobic immobilized microorganism layer and anaerobic immobilized microbial layer are all provided with immobilized microorganism plate, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus be made up of aeration house steward and aeration branch pipe, aeration house steward is through pool wall, aeration house steward is provided with gas valve and gas meter, between anaerobic immobilized microbial layer cinder layer, woven wire is set; Described water unit is made up of posticum, water leg and water leg water shoot, and install filter at posticum place, water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposes; Described artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier.
Described immobilized microorganism plate is made by mixing with chemical agent to be put in template by active sludge, is fixed in template after active sludge is dry; Immobilized microorganism plate thickness is 5.4cm ~ 7cm, and long is 43cm ~ 60cm, and wide is 25cm ~ 40cm; Immobilized microorganism plate is provided with 4 fixing feet.
Described aerobic immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, aerobic immobilized microorganism layer height is 35cm ~ 45cm, anaerobic immobilized microbial layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, and anaerobic immobilized microbial layer height is 23cm ~ 30cm.
Described gravel bed from top to bottom grain size of gravel diminishes successively, and the superiors' grain size of gravel is 2.5cm ~ 3.6cm, and gravel bed orlop grain size of gravel is 1cm ~ 2cm, and gravel bed height is 25cm ~ 35cm.
Described cinder layer cinder particle diameter is 6mm ~ 8.5mm, and cinder layer height is 25cm ~ 30cm.
Described furfural slag blanket furfural dregs particle diameter is 2.5mm ~ 5mm, and furfural dregs layer height is 25cm ~ 35cm.
Described woven wire is connected by bayonet socket and draw-in groove with pool wall in artificial swamp pond, and woven wire mesh aperture is less than 6mm.
Described water inlet pipe, water distribution branch pipe, aeration house steward and aeration branch pipe all adopt pvc pipe.
The present invention has following advantage: immobilized microorganism, microorganism aerobic anaerobic treatment and artificial swamp are organically combined, strengthen the effect of microorganism in artificial swamp, and effectively improve wastewater treatment efficiency, floor space is little, and cost of investment is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view of the present invention;
Fig. 3 is B-B sectional view of the present invention;
Fig. 4 is C-C sectional view of the present invention;
Fig. 5 is D-D sectional view of the present invention;
Fig. 6 is E of the present invention, i.e. woven wire junction, enlarged view.
Wherein, 1, artificial swamp pond; 2, gravel; 3, cinder; 4, woven wire; 5, immobilized microorganism plate; 6, furfural dregs; 7, water leg; 8, water leg water shoot; 9, posticum; 10-a, aeration house steward; 10-b, water inlet pipe; 11-a, gas valve; 11-b, Liquid valve; 12-a, gas meter; 12-b, liquid meter; 13-a, aeration branch pipe; 13-b, water distribution branch pipe; 14, bayonet socket; 15, draw-in groove.
Embodiment
With the drawings and specific embodiments, the present invention is further detailed explanation below:
As shown in Fig. 1-4, a kind of constructed wetland device, comprise artificial swamp pond 1, suction culvert, aerating apparatus and water unit, also comprise immobilized microorganism plate 5, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: aerobic immobilized microorganism layer, gravel bed, cinder layer, anaerobic immobilized microbial layer and furfural slag blanket, aerobic immobilized microorganism layer upper end is provided with the suction culvert be made up of water inlet pipe 10-b and water distribution branch pipe 13-b, and water inlet pipe 10-b, through pool wall, water inlet pipe 10-b is provided with Liquid valve 11-b and liquid meter 12-b, water inlet pipe 10-b is connected with source of sewage water, and sewage controls flooding velocity by water inlet pipe 10-b by Liquid valve 11-b and liquid meter 12-b, is evenly distributed on pond from water distribution branch pipe 13-b, aerobic immobilized microorganism layer and anaerobic immobilized microbial layer are all provided with immobilized microorganism plate 5, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus be made up of aeration house steward 10-a and aeration branch pipe 13-a, aeration house steward 10-a is through pool wall, aeration house steward 10-a is provided with gas valve 11-a and gas meter 12-a, aeration house steward 10-a is connected by pipeline with aerogenesis apparatus, and gas meter 12-a and gas valve 11-a can control aeration rate, woven wire 4 is set between anaerobic immobilized microbial layer and cinder layer, mainly prevents cinder 3 from spilling, water unit is by posticum 9, water leg 7 and water leg water shoot 8 form, at posticum place, filter is installed, prevent small particle size furfural dregs from revealing from posticum, water unit is arranged on upper end, artificial swamp pond and water inlet pipe 10-b place pool wall opposes, sewage is flowed out successively by microorganism aerobic process by water distribution branch pipe 13-b, gravel 2 filters, cinder 3 filters, microbiological anaerobic process, furfural dregs 6 flows out to water leg 7 from posticum 9 after filtering, flow out from the water leg water shoot 8 water leg 7 again, realize the treating processes of whole device, in whole technique, sewage carries out aerobic respiration under the aeration environment of aerobic immobilized microorganism layer at aeration tube, consume a large amount of organism, by NH
3-N changes into NO
3-N, after reaction, sewage removes a large amount of SS by the filtration of gravel 2, then enters cinder layer and carry out adsorbing, then containing NO
3the Digestive system of-N enters anaerobic immobilized microbial layer, by a large amount of NO in microbiological anaerobic environment
3-N changes into N
2release, the sewage after microbiological treatment is discharged through the filtration of furfural dregs 6, effectively improves nitric efficiency, artificial swamp pond 1 adopts steel and concrete structure to build, sound construction, and pond body internal side wall and bottom surface arrange impervious barrier, prevents the raw seepage of time long hair.
Wherein, Immobilized microorganism plate 5 is made by mixing with chemical agent to be put in template by active sludge, is fixed in template after active sludge is dry; Immobilized microorganism plate 5 thickness is 5.4cm ~ 7cm, and long is 43cm ~ 60cm, and wide is 25cm ~ 40cm; Immobilized microorganism plate is provided with 4 fixing feet, is convenient to be fixedly connected with pond body.In pond, aerobic immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate 5, aerobic immobilized microorganism layer height is 35cm ~ 45cm, anaerobic immobilized microbial layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate 5, and anaerobic immobilized microbial layer height is 23cm ~ 30cm.
Described gravel bed from top to bottom grain size of gravel diminishes successively, and the superiors' gravel 2 particle diameter is 2.5cm ~ 3.6cm, and gravel bed orlop gravel 2 particle diameter is 1cm ~ 2cm, and gravel bed height is 25cm ~ 35cm.
Cinder layer cinder 3 particle diameter is 6mm ~ 8.5mm, and cinder layer height is 25cm ~ 30cm.
Furfural slag blanket furfural dregs 6 particle diameter is 2.5mm ~ 5mm, and furfural dregs layer height is 25cm ~ 35cm.
As shown in Figure 6, described woven wire 4 is connected by bayonet socket 14 and draw-in groove 15 with pool wall in artificial swamp pond 1, and woven wire 4 mesh aperture is less than 6mm.
Suction culvert as shown in Figure 5, water inlet pipe 10-b, water distribution branch pipe 13-b, aeration house steward 10-a and aeration branch pipe 13-a all adopt pvc pipe.
Embodiment
In a preferred embodiment, the long 1.5m of artificial swamp pond body, wide 1.2m, high 1.2m; Gravel bed top layer selects the gravel selecting 1cm ~ 2cm bottom the gravel of 2.5cm ~ 3.6cm, gravel thickness 25cm; Cinder layer cinder particle diameter selects 6mm ~ 8.5mm, cinder thickness 25cm, and furfural dregs selects particle diameter to be 2.5mm ~ 5mm, rubble thickness 25cm; Aerobic immobilized microorganism layer installs 2 layers of immobilized microorganism plate up and down altogether, install 4 pieces for every layer, anaerobic immobilized microbial layer installs 2 layers of immobilized microorganism plate up and down altogether, install 4 pieces for every layer, every block immobilized microorganism board size: long × wide × high: 45cm × 25cm × 6cm, aerating apparatus is arranged between aerobic immobilized microorganism layer and gravel bed, and aeration branch pipe adopts micro-pore aeration, and suction culvert is arranged on above aerobic immobilized microorganism plate; Flooding quantity is 0.1m
3/ h, aeration rate is 0.5 ~ 0.8m
3/ h, hydraulic detention time is about 20h.
Once form is carry out sewage disposal to this embodiment to detect the experimental data drawn:
Can be found by upper table: artificial wetland effluent water quality is highly stable, TN clearance reaches more than 83%, other kinds pollutants removal rate all can reach more than 80% clearance, reaches one-level emission standard A in " municipal sewage plant's pollutant emission standard " (GB18918-2002).
Claims (8)
1. a constructed wetland device, comprise artificial swamp pond, suction culvert, aerating apparatus and water unit, it is characterized in that, also comprise immobilized microorganism plate, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: aerobic immobilized microorganism layer, gravel bed, cinder layer, anaerobic immobilized microbial layer and furfural slag blanket; Described aerobic immobilized microorganism layer upper end is provided with the suction culvert be made up of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, water inlet pipe is provided with Liquid valve and liquid meter; Described aerobic immobilized microorganism layer and anaerobic immobilized microbial layer are all provided with immobilized microorganism plate, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus be made up of aeration house steward and aeration branch pipe, aeration house steward is through pool wall, aeration house steward is provided with gas valve and gas meter, between anaerobic immobilized microbial layer cinder layer, woven wire is set; Described water unit is made up of posticum, water leg and water leg water shoot, and install filter at posticum place, water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposes; Described artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier.
2. a kind of constructed wetland device according to claim 1, is characterized in that, described immobilized microorganism plate is made by mixing with chemical agent to be put in template by active sludge, is fixed in template after active sludge is dry; Immobilized microorganism plate thickness is 5.4cm ~ 7cm, and long is 43cm ~ 60cm, and wide is 25cm ~ 40cm; Immobilized microorganism plate is provided with 4 fixing feet.
3. a kind of constructed wetland device according to claim 1 and 2, it is characterized in that, described aerobic immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, aerobic immobilized microorganism layer height is 35cm ~ 45cm, anaerobic immobilized microbial layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, and anaerobic immobilized microbial layer height is 23cm ~ 30cm.
4. a kind of constructed wetland device according to claim 1 and 2, it is characterized in that, described gravel bed from top to bottom grain size of gravel diminishes successively, and the superiors' grain size of gravel is 2.5cm ~ 3.6cm, gravel bed orlop grain size of gravel is 1cm ~ 2cm, and gravel bed height is 25cm ~ 35cm.
5. a kind of constructed wetland device according to claim 1 and 2, is characterized in that, described cinder layer cinder particle diameter is 6mm ~ 8.5mm, and cinder layer height is 25cm ~ 30cm.
6. a kind of constructed wetland device according to claim 1 and 2, is characterized in that, described furfural slag blanket furfural dregs particle diameter is 2.5mm ~ 5mm, and furfural dregs layer height is 25cm ~ 35cm.
7. a kind of constructed wetland device according to claim 1, is characterized in that, described woven wire is connected by bayonet socket and draw-in groove with pool wall in artificial swamp pond, and woven wire mesh aperture is less than 6mm.
8. a kind of constructed wetland device according to claim 1 and 2, is characterized in that, described water inlet pipe, water distribution branch pipe, aeration house steward and aeration branch pipe all adopt pvc pipe.
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| CN201410375789.9A CN104085993B (en) | 2014-08-01 | 2014-08-01 | A kind of constructed wetland device |
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| CN201410375789.9A CN104085993B (en) | 2014-08-01 | 2014-08-01 | A kind of constructed wetland device |
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| CN104085993B true CN104085993B (en) | 2015-12-09 |
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Cited By (1)
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| CN106186353A (en) * | 2016-07-28 | 2016-12-07 | 崔晓辉 | Soil improvement equipment for cadmium pollution |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315857B (en) * | 2016-10-08 | 2019-04-30 | 东北师范大学 | A kind of artificial wetland high-efficiency purification system |
| CN108609805A (en) * | 2018-05-09 | 2018-10-02 | 湖南城市学院 | A kind of wetland pollution purifying processing device |
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