CN104085993A - Artificial wetland device - Google Patents
Artificial wetland device Download PDFInfo
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- CN104085993A CN104085993A CN201410375789.9A CN201410375789A CN104085993A CN 104085993 A CN104085993 A CN 104085993A CN 201410375789 A CN201410375789 A CN 201410375789A CN 104085993 A CN104085993 A CN 104085993A
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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
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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an artificial wetland device comprising an artificial wetland tank, a water inlet pipeline, an aeration device and a water outlet unit. The artificial wetland device is characterized by also comprising immobilized microbial plates, wherein the artificial wetland tank totally comprises five layers from top to bottom, sequentially including an aerobic immobilized microbial layer, a gravel layer, a coal residue layer, an anaerobic immobilized microbial layer and a furfural residue layer; the water inlet pipeline is arranged at the upper end of the aerobic immobilized microbial layer; a water inlet pipe penetrates through the tank wall; the immobilized microbial plate is respectively arranged on each of the aerobic immobilized microbial layer and the anaerobic immobilized microbial layer; the aeration device is arranged at the lower end of the aerobic immobilized microbial layer; an aeration main pipe penetrates through the tank wall; a steel wire mesh is arranged between the anaerobic immobilized microbial layer and the coal residue layer; the water outlet unit consists of a water outlet hole, a water collecting tank and a water collecting tank drainage pipe, is arranged at the upper end of the artificial wetland tank and is opposite to the tank wall on which the water inlet pipe is positioned; the artificial wetland tank is constructed by adopting a steel and concrete structure; an impermeable layer is respectively arranged on the side wall and the bottom surface of the inner part of the tank body.
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 physics, chemistry and the biological triple synergy in natural system 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, thereby is widely applied to sanitary sewage disposal, industrial sewage and processes with, mine and oil production, agriculture point source and pollution of area source and body eutrophication issue handling.
Traditional activated sludge process is applied very extensive in sewage disposal, main because contain a large amount of living microorganisms in active sludge, these microorganisms can fast and effeciently be removed the organism in sewage, and have good Nitrogen/Phosphorus Removal, but traditional activated sludge process mud is blended in sewage in a kind of fluidised form.At present, microbial immobilized technology is obtained paying close attention to widely both at home and abroad, as the patent No. is: introduced a kind of immobilized microorganism preparation method in 200910056687.X patent specification; It is a kind of solid-state that immobilized microorganism principal character is that microorganism is fixed into, be placed on and in sewage, there is fixing shape, and microorganism loss of activity not, 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 mainly removed by the adsorption of filtrate, in filtrate gap, can adsorb a small amount of microorganism, microorganism can be removed organism and the nitrogen phosphorus in sewage by self-acting, but content of microorganisms in filtrate is less so microbial process is limited, and excessive free state microorganism easily causes filter clogging.
The present invention is mainly applied in immobilized microorganism in artificial wet land system, microorganism also has aerobic and anaerobism alternate environment, increase microbial process effect, simultaneously because microorganism is in immobilized state, therefore be difficult for causing artificial swamp to stop up, improve the wastewater treatment efficiency of artificial swamp integral body.
Summary of the invention
The object of the invention is to, a kind of constructed wetland device is provided, native system organically combines immobilized microorganism, microorganism aerobic anaerobic treatment and artificial swamp.Adopt native system can effectively improve the wastewater treatment efficiency of artificial swamp; For achieving the above object, the present invention has adopted 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 microorganism layer and furfural slag blanket; Described aerobic immobilized microorganism layer upper end is provided with the suction culvert being comprised of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, is provided with Liquid valve and liquid meter on water inlet pipe; Described aerobic immobilized microorganism layer and anaerobic immobilized microorganism layer are all provided with immobilized microorganism plate, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus being comprised of aeration house steward and aeration branch pipe, aeration house steward is through pool wall, gas valve and gas meter are installed on aeration house steward, between anaerobic immobilized microorganism layer cinder layer, woven wire are set; Described water unit is comprised of posticum, water leg and water leg water shoot, and filter is installed at posticum place, and water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposition; 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 fixed in template after active sludge is dry by mixing and be put in template with chemical agent by active sludge; 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 installed 2 ~ 3 layers of immobilized microorganism plate, aerobic immobilized microorganism layer height is 35cm ~ 45cm, on anaerobic immobilized microorganism layer vertical direction, 2 ~ 3 layers of immobilized microorganism plate are installed, anaerobic immobilized microorganism 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 with draw-in groove by bayonet socket 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 advantages of as follows: immobilized microorganism, microorganism aerobic anaerobic treatment and artificial swamp are organically combined, strengthened the effect of microorganism in artificial swamp, 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 microorganism layer and furfural slag blanket, aerobic immobilized microorganism layer upper end is provided with the suction culvert being comprised of water inlet pipe 10-b and water distribution branch pipe 13-b, and water inlet pipe 10-b, through pool wall, is provided with Liquid valve 11-b and liquid meter 12-b on water inlet pipe 10-b, water inlet pipe 10-b is connected with source of sewage water, and sewage is controlled flooding velocity by water inlet pipe 10-b by Liquid valve 11-b and liquid meter 12-b, from water distribution branch pipe 13-b, is evenly distributed on pond, aerobic immobilized microorganism layer and anaerobic immobilized microorganism layer are all provided with immobilized microorganism plate 5, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus being comprised of aeration house steward 10-a and aeration branch pipe 13-a, aeration house steward 10-a is through pool wall, gas valve 11-a and gas meter 12-a are installed on aeration house steward 10-a, aeration house steward 10-a and aerogenesis apparatus are by pipe to being connected, and gas meter 12-a and gas valve 11-a can control aeration rate, woven wire 4 is set between anaerobic immobilized microorganism layer and cinder layer, mainly prevents that cinder 3 from spilling, water unit is by posticum 9, water leg 7 and water leg water shoot 8 form, filter is installed at posticum place, prevent that 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 opposition, sewage is flowed out and by microorganism aerobic, is processed successively by water distribution branch pipe 13-b, gravel 2 filters, cinder 3 filters, microbiological anaerobic is processed, after filtering, furfural dregs 6 flows out to water leg 7 from posticum 9, water leg water shoot from water leg 78 flows out again, realize the treating processes of whole device, in whole technique, sewage carries out aerobic respiration through aerobic immobilized microorganism layer under the aeration environment of aeration tube, consume a large amount of organism, by NH
3-N changes into NO
3-N, after reaction, sewage is removed a large amount of SS by the filtration of gravel 2, then enter cinder layer adsorb, then containing NO
3the Digestive system of-N enters anaerobic immobilized microorganism layer, in microbiological anaerobic environment by a large amount of NO
3-N changes into N
2discharge, the sewage after microbiological treatment is discharged through the filtration of furfural dregs 6, has effectively improved 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, prevent the raw seepage of time long hair.
Wherein, Immobilized microorganism plate 5, is fixed in template after active sludge is dry by mixing and be put in template with chemical agent by active sludge; Immobilized microorganism plate 5 thickness are 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 installed 2 ~ 3 layers of immobilized microorganism plate 5, aerobic immobilized microorganism layer height is 35cm ~ 45cm, on anaerobic immobilized microorganism layer vertical direction, 2 ~ 3 layers of immobilized microorganism plate 5 are installed, anaerobic immobilized microorganism layer height is 23cm ~ 30cm.
Described gravel bed from top to bottom grain size of gravel diminishes successively, and the superiors' gravel 2 particle diameters are 2.5cm ~ 3.6cm, and gravel bed orlop gravel 2 particle diameters are 1cm ~ 2cm, and gravel bed height is 25cm ~ 35cm.
Cinder layer cinder 3 particle diameters are 6mm ~ 8.5mm, and cinder layer height is 25cm ~ 30cm.
Furfural slag blanket furfural dregs 6 particle diameters are 2.5mm ~ 5mm, and furfural dregs layer height is 25cm ~ 35cm.
As shown in Figure 6, described woven wire 4 is connected with draw-in groove 15 by bayonet socket 14 with the interior pool wall in artificial swamp pond 1, and woven wire 4 mesh apertures are 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 bottom of 2.5cm ~ 3.6cm to select the gravel of 1cm ~ 2cm, gravel bed thickness 25cm; Cinder layer cinder particle diameter is selected 6mm ~ 8.5mm, cinder bed thickness 25cm, and it is 2.5mm ~ 5mm that furfural dregs is selected particle diameter, rubble bed thickness 25cm; Aerobic immobilized microorganism layer is installed 2 layers of immobilized microorganism plate up and down altogether, install 4 for every layer, anaerobic immobilized microorganism layer is installed 2 layers of immobilized microorganism plate up and down altogether, install 4 for every layer, every immobilized microorganism board size: length * wide * height: 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 aerobic immobilized microorganism plate top; Flooding quantity is 0.1m
3/ h, aeration rate is 0.5 ~ 0.8m
3/ h, hydraulic detention time is 20h left and right.
Once form detects for this embodiment being carried out to sewage disposal the experimental data drawing:
By upper table, can be found: artificial wetland effluent water quality is highly stable, TN clearance reaches more than 83%, other kinds pollutants removal rate all can reach 80% above clearance, reaches one-level A emission standard in < < municipal sewage plant 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 microorganism layer and furfural slag blanket; Described aerobic immobilized microorganism layer upper end is provided with the suction culvert being comprised of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, is provided with Liquid valve and liquid meter on water inlet pipe; Described aerobic immobilized microorganism layer and anaerobic immobilized microorganism layer are all provided with immobilized microorganism plate, aerobic immobilized microorganism layer lower end is provided with the aerating apparatus being comprised of aeration house steward and aeration branch pipe, aeration house steward is through pool wall, gas valve and gas meter are installed on aeration house steward, between anaerobic immobilized microorganism layer cinder layer, woven wire are set; Described water unit is comprised of posticum, water leg and water leg water shoot, and filter is installed at posticum place, and water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposition; 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 fixed in template after active sludge is dry by mixing and be put in template with chemical agent by active sludge; 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 installed 2 ~ 3 layers of immobilized microorganism plate, aerobic immobilized microorganism layer height is 35cm ~ 45cm, on anaerobic immobilized microorganism layer vertical direction, 2 ~ 3 layers of immobilized microorganism plate are installed, anaerobic immobilized microorganism 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 with draw-in groove by bayonet socket 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 CN104085993B (en) | 2015-12-09 |
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| CN106186353A (en) * | 2016-07-28 | 2016-12-07 | 崔晓辉 | Soil improvement equipment for cadmium pollution |
| CN106315857A (en) * | 2016-10-08 | 2017-01-11 | 东北师范大学 | Efficient constructed wetland 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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| CN104085993B (en) | 2015-12-09 |
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Effective date of registration: 20151026 Address after: 312500 Zhejiang province Xinchang County Chengtan Town Village No. 29 Dong Chen. Applicant after: XINCHANG CHENGTAN TOWN CHENGSHE MACHINERY FACTORY Address before: 242000 Anhui city of Xuancheng province Guangde County Tao Zhou Zhen Bai Qiao Cun Jiu Bu No. 61 Applicant before: Yuan Hang |
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Effective date of registration: 20161116 Address after: 510665 Guangdong city of Guangzhou province Tianhe District Software Park Building No. 59 Middle East block, Grand Building Room 501 Patentee after: Guangdong million cattle Intellectual Property Operation Co., Ltd. Address before: 312500 Zhejiang province Xinchang County Chengtan Town Village No. 29 Dong Chen. Patentee before: XINCHANG CHENGTAN TOWN CHENGSHE MACHINERY FACTORY |
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Effective date of registration: 20170123 Address after: 102299 Changping District science and Technology Park, Beijing Road No. 37, building 26, room 2, Room 201 Patentee after: Beijing lupengda Environmental Engineering Co. Ltd. Address before: 510665 Guangdong city of Guangzhou province Tianhe District Software Park Building No. 59 Middle East block, Grand Building Room 501 Patentee before: Guangdong million cattle Intellectual Property Operation Co., Ltd. |
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