CN105776555A - Multiple wetland system applicable to treating decentralized rural domestic sewage - Google Patents
Multiple wetland system applicable to treating decentralized rural domestic sewage Download PDFInfo
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- CN105776555A CN105776555A CN201610190847.XA CN201610190847A CN105776555A CN 105776555 A CN105776555 A CN 105776555A CN 201610190847 A CN201610190847 A CN 201610190847A CN 105776555 A CN105776555 A CN 105776555A
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- wetland
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- subsurface flow
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- subsurface
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- 239000010865 sewage Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000001932 seasonal effect Effects 0.000 claims abstract description 8
- 241000196324 Embryophyta Species 0.000 claims description 24
- 235000019738 Limestone Nutrition 0.000 claims description 22
- 239000006028 limestone Substances 0.000 claims description 19
- 235000005637 Brassica campestris Nutrition 0.000 claims description 12
- 241001301148 Brassica rapa subsp. oleifera Species 0.000 claims description 12
- 240000008436 Ipomoea aquatica Species 0.000 claims description 12
- 235000019004 Ipomoea aquatica Nutrition 0.000 claims description 12
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 claims description 6
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 claims description 6
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 claims description 6
- 240000008415 Lactuca sativa Species 0.000 claims description 6
- 235000003228 Lactuca sativa Nutrition 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 240000005020 Acaciella glauca Species 0.000 claims description 3
- 241001494508 Arundo donax Species 0.000 claims description 3
- 235000011293 Brassica napus Nutrition 0.000 claims description 3
- 240000008100 Brassica rapa Species 0.000 claims description 3
- 235000000540 Brassica rapa subsp rapa Nutrition 0.000 claims description 3
- 241000195493 Cryptophyta Species 0.000 claims description 3
- 244000284380 Hibiscus rosa sinensis Species 0.000 claims description 3
- 244000202566 Hydrocotyle vulgaris Species 0.000 claims description 3
- 235000015916 Hydrocotyle vulgaris Nutrition 0.000 claims description 3
- 241000218666 Metasequoia Species 0.000 claims description 3
- 235000000664 Rosa chinensis Nutrition 0.000 claims description 3
- 244000020191 Salix babylonica Species 0.000 claims description 3
- 235000002493 Salix babylonica Nutrition 0.000 claims description 3
- 235000003499 redwood Nutrition 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- -1 Vermiculitum Substances 0.000 claims description 2
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- 229910052599 brucite Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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 inventiondiscloses a multiple wetland system applicable to treating decentralized rural domestic sewage. The multiple wetland system comprises a surface flow wetland unit, a primary subsurface wetland unit, a secondary subsurface wetland and a tertiary subsurface wetland unit which are sequentially connected through a pipeline with a valve, wherein the surface flow wetland unit is provided with a water inlet; the tertiary subsurface wetland unit is provided with a water outlet; water wells and aerating systems are respectively arranged in the primary subsurface wetland unit, the secondary subsurface wetland and the tertiary subsurface wetland unit; the surface flow wetland unit, the primary subsurface wetland unit, the secondary subsurface wetland and the tertiary subsurface wetland unit are respectively provided with sewage outlets; different landscape aquatic wetland plants are distributed in the surface flow wetland unit along with the seasonal change; composite fillers are respectively paved in the primary subsurface wetland unit, the secondary subsurface wetland and the tertiary subsurface wetland unit; different landscape aquatic wetland woody plants and herbaceous plants are distributed on the composite fillers along with the seasonal change. The multiple wetland system applicable to treating the decentralized rural domestic sewage is stable and efficient in treatment effect, low in construction and operation cost, small in floor space, and good in landscape effect, can bring a certain economic benefit, and is suitable for treating the decentralized rural domestic sewage in rural areas.
Description
Technical field
The present invention relates to a kind of combination type wetland system being applicable to administer rural household's life sewage of living scattered.
Background technology
In recent years, China's Rural Water Environment problem becomes increasingly conspicuous, and Rural Water Pollution is administered compared to city, there is bigger difficulty technically or economically all, therefore from applicable technology angle, domestic sewage in rural areas is administered and should be adopted governance model decentralized, miniaturization according to local reality, technically requires that technique is simple, clean-up effect is guaranteed, reduced investment, energy consumption are low, operation maintenance is simple.It is generally believed that treatment in accordance with local conditions adopts natural ecological treatment technology to be the effective means that domestic sewage in rural areas is administered, wherein most typical technology has oxidation pond, diafiltration and artificial swamp.In these 3 kinds of technology, the process load of Artificial Wetland Techniques is the highest, effluent quality is good, denitrification phosphor-removing effect is good, operation maintenance is convenient, and management is simple, and investment and operating cost are low, the fund that is relatively more suitable for is few, energy shortage and technician lack Small Urban and rural area, thus receive much concern in countryside sewage treating field in recent years.And however, Artificial Wetland Techniques is still in the junior stage in countryside sewage treating, what part had been reported does not have overall representative yet, and more or less there are some problems and shortcomings, as high in: construction cost, effluent quality be difficult to up to standard, winter treatment effect not good, system easily blocks, floor space is big.
Summary of the invention
It is contemplated that in overcoming above-mentioned technical deficiency, a kind of hybrid constructed wetland system being applicable to administer peasant household's sewage of living scattered is proposed, it has, and denitrification phosphor-removing effect is good, be not easily blocked, floor space is little, construction cost is low, landscape effect is good, and has certain economic benefit.
In order to reach above-mentioned technical purpose, technical scheme provided by the invention is:
Described surface-flow unit, one-level subsurface flow wetland unit, two grades of subsurface flow wetland units and the three grades of subsurface flow wetland units including suitable in the combination type wetland system administering rural household's life sewage of living scattered being sequentially connected with by the pipeline with valve, described pipeline is preferably two pipelines of depth displacement 20 centimeters, and during to ensure that the water yield is few, system is properly functioning；Described surface-flow unit is provided with water inlet；Described three grades of subsurface flow wetland units are provided with outlet；Described one-level subsurface flow wetland unit, two grades of subsurface flow wetland units and three grades of subsurface flow wetland units are equipped with well and aerating system；Surface-flow unit, one-level subsurface flow wetland unit, two grades of subsurface flow wetland units and three grades of subsurface flow wetland units are equipped with sewage draining exit；With the aquatic wetland plant of the view that seasonal variations is differently configured in described surface-flow unit；Compounded mix all it is equipped with, with the aquatic wetland xylophyta of the view that seasonal variations is differently configured and herbaceous plant on compounded mix in described one-level subsurface flow wetland unit, two grades of subsurface flow wetland units and three grades of subsurface flow wetland units.
Wherein, the aquatic wetland plant of view in described surface-flow unit is at least one in watermifoil, black algae, Hydrocotyle vulgaris L., Herba Eichhorniae, Herba Apii, water spinach.Compounded mix in described one-level subsurface flow wetland unit is from top to bottom followed successively by microlith lime stone, Vermiculitum, activated carbon and limestone；The aquatic wetland xylophyta of view and the herbaceous plant that configure on compounded mix are at least one in Hibisci Mutabilis, Metasequoia glyptostroboides Hu et Cheng, Chinese rose, Brassica campestris L, Lettuce, Chinese cabbage, white turnip, water spinach.Compounded mix in described two grades of subsurface flow wetland units is from top to bottom followed successively by microlith lime stone, zeolite and limestone；The view aquatic wetland xylophyta of configuration and at least one that herbaceous plant is Salix babylonica L., Folium seu Cortex Nerii, the red wood that continues, Brassica campestris L, Lettuce, brassica campestris var purpurea, Herba basellae rubrae, water spinach on compounded mix.Compounded mix in described three grades of subsurface flow wetland units is from top to bottom followed successively by microlith lime stone, brucite and limestone；The aquatic wetland xylophyta of view of configuration and at least one that herbaceous plant is Arundo donax, Cong Zhu, Brassica campestris L, Chinese cabbage, Herba basellae rubrae, water spinach on compounded mix.Described thin limestone particle size is 0.8 1.2cm, and described limestone particle size calls 3 5cm.Described aerating system is the PVC pipeline with uniform hole, and line size is Φ 50.The surface area ratio of described surface-flow unit, one-level subsurface flow wetland unit, two grades of subsurface flow wetland units and three grades of subsurface flow wetland units is 1:1:1:1.
The processing method of this system is, sanitary sewage is by entering surface low unit through pipeline after peasant family anaerobic tank, after precipitation degraded and absorbed, sequentially enter organics removal, remove pollute cation, remove pollute anion three grades of subsurface flow wetland units, system under the combined effect of wetland plant, filler and microorganism by sewage purification.
The invention have the benefit that the present invention is applicable to improvement and lives scattered rural household's life sewage, disposal ability is 1.0-2.0T/D, be floor space is 2-4m2Packaged combination wet land system.The present invention is by the view water plant of resistance tocrocking, xylophyta, herbaceous plant, especially vegetable plants introduces in sewage disposal system, enrich intrasystem phytobiocoenose, enhance plant, microorganism absorption degradation function, systematic economy practicality and landscape effect；The compounded mix configured have ready availability, be not easily blocked and high-adsorption-capacity, be remarkably improved the sewage treatment capacity of system.This system process after effluent quality efficient stable, Construction and operation cost is low, and floor space is little, and landscape effect is good, and can produce certain economic benefit, the process of the rural household's life sewage that is suitable for living scattered.
Accompanying drawing explanation
In figure: 1, surface-flow unit；2, one-level subsurface flow wetland unit；3, two grades of subsurface flow wetland units；4, three grades of subsurface flow wetland units；5, well；6, aerating system；7, water inlet；8, outlet；9, pipeline；10, sewage draining exit.
Detailed description of the invention
Embodiment 1
Referring to figure, described surface-flow unit 1,2, two grades of subsurface flow wetland units 3 of one-level subsurface flow wetland unit and the three grades of subsurface flow wetland units 4 including suitable in the combination type wetland system administering rural household's life sewage of living scattered being sequentially connected with by the pipeline 9 with valve；Described surface-flow unit 1 is provided with water inlet 7；Described three grades of subsurface flow wetland units 4 are provided with outlet 8；2, two grades of subsurface flow wetland units 3 of described one-level subsurface flow wetland unit and three grades of subsurface flow wetland units 4 are equipped with well 5 and aerating system 6；Surface-flow unit 1,2, two grades of subsurface flow wetland units 3 of one-level subsurface flow wetland unit and three grades of subsurface flow wetland units 4 are equipped with sewage draining exit 10；With the aquatic wetland plant of the view that seasonal variations is differently configured in described surface-flow unit 1；Compounded mix all it is equipped with, with the aquatic wetland xylophyta of the view that seasonal variations is differently configured and herbaceous plant on compounded mix in 2, two grades of subsurface flow wetland units 3 of described one-level subsurface flow wetland unit and three grades of subsurface flow wetland units 4.
Wherein, the aquatic wetland plants of view such as watermifoil, black algae, Hydrocotyle vulgaris L., Herba Eichhorniae, Herba Apii, water spinach are configured in described surface-flow unit 1.
Compounded mix in described one-level subsurface flow wetland unit 2 is from top to bottom followed successively by 30 centimeters of microlith lime stones, 30 centimeters of Vermiculitums, 10 centimeters of activated carbons and 50 centimeters of limestone；Compounded mix configures the aquatic wetland xylophyta of view and the herbaceous plant such as Hibisci Mutabilis, Metasequoia glyptostroboides Hu et Cheng, Chinese rose, Brassica campestris L, Lettuce, Chinese cabbage, white turnip, water spinach.
Compounded mix in described two grades of subsurface flow wetland units 3 is from top to bottom followed successively by 30 centimeters of microlith lime stones, 30 centimeters of zeolites and 60 centimeters of limestone；Compounded mix configures the aquatic wetland xylophyta of view and the herbaceous plant such as Salix babylonica L., Folium seu Cortex Nerii, the red wood that continues, Brassica campestris L, Lettuce, brassica campestris var purpurea, Herba basellae rubrae, water spinach.
Compounded mix in described three grades of subsurface flow wetland units 4 is from top to bottom followed successively by 55 centimeters of microlith lime stones, 5 centimeters of brucites and 60 centimeters of limestone；Compounded mix configures the aquatic wetland xylophyta of view and the herbaceous plant such as Arundo donax, Cong Zhu, Brassica campestris L, Chinese cabbage, Herba basellae rubrae, water spinach.
Described aerating system 6 is the PVC pipeline with uniform hole.Line size is Φ 50.
The surface area ratio of described surface-flow unit 1,2, two grades of subsurface flow wetland units 3 of one-level subsurface flow wetland unit and three grades of subsurface flow wetland units 4 is 1:1:1:1.
Sanitary sewage is by entering surface-flow unit 1 through pipeline after peasant family anaerobic tank, after precipitation degraded and absorbed, sequentially enter organics removal, remove the subsurface flow wetland unit (2 polluting cation, removing pollution anion, 3,4), system under the combined effect of wetland plant, filler and microorganism by sewage purification.
According to actual measurement, the process load range of the present invention and effluent index such as table 1 after processing；The Construction and operation cost of every covering device and land area such as table 2.
Table 1
Table 2
Claims (8)
1. the combination type wetland system being applicable to administer rural household's life sewage of living scattered, it is characterized in that, described combination type wetland system includes the surface-flow unit (1), one-level subsurface flow wetland unit (2), two grades of subsurface flow wetland units (3) and the three grades of subsurface flow wetland units (4) that are sequentially connected with by the pipeline (9) with valve；Described surface-flow unit (1) is provided with water inlet (7)；Described three grades of subsurface flow wetland units (4) are provided with outlet (8)；Described one-level subsurface flow wetland unit (2), two grades of subsurface flow wetland units (3) and three grades of subsurface flow wetland units (4) are equipped with well (5) and aerating system (6)；Surface-flow unit (1), one-level subsurface flow wetland unit (2), two grades of subsurface flow wetland units (3) and three grades of subsurface flow wetland units (4) are equipped with sewage draining exit (10)；With the aquatic wetland plant of the view that seasonal variations is differently configured in described surface-flow unit (1)；Compounded mix all it is equipped with, with the aquatic wetland xylophyta of the view that seasonal variations is differently configured and herbaceous plant on compounded mix in described one-level subsurface flow wetland unit (2), two grades of subsurface flow wetland units (3) and three grades of subsurface flow wetland units (4).
2. combination type wetland system as claimed in claim 1, it is characterised in that the aquatic wetland plant of view in described surface-flow unit (1) is at least one in watermifoil, black algae, Hydrocotyle vulgaris L., Herba Eichhorniae, Herba Apii, water spinach.
3. combination type wetland system as claimed in claim 1, it is characterised in that the compounded mix in described one-level subsurface flow wetland unit (2) is from top to bottom followed successively by microlith lime stone, Vermiculitum, activated carbon and limestone；The aquatic wetland xylophyta of view and the herbaceous plant that configure on compounded mix are at least one in Hibisci Mutabilis, Metasequoia glyptostroboides Hu et Cheng, Chinese rose, Brassica campestris L, Lettuce, Chinese cabbage, white turnip, water spinach.
4. combination type wetland system as claimed in claim 1, it is characterised in that the compounded mix in described two grades of subsurface flow wetland units (3) is from top to bottom followed successively by microlith lime stone, zeolite and limestone；The view aquatic wetland xylophyta of configuration and at least one that herbaceous plant is Salix babylonica L., Folium seu Cortex Nerii, the red wood that continues, Brassica campestris L, Lettuce, brassica campestris var purpurea, Herba basellae rubrae, water spinach on compounded mix.
5. combination type wetland system as claimed in claim 1, it is characterised in that the compounded mix in described three grades of subsurface flow wetland units (4) is from top to bottom followed successively by microlith lime stone, brucite and limestone；The aquatic wetland xylophyta of view of configuration and at least one that herbaceous plant is Arundo donax, Cong Zhu, Brassica campestris L, Chinese cabbage, Herba basellae rubrae, water spinach on compounded mix.
6. the combination type wetland system as described in any one of claim 3 to 5, it is characterised in that described thin limestone particle size is 0.8 1.2cm, and described limestone particle size calls 3 5cm.
7. combination type wetland system as claimed in claim 1, it is characterised in that described aerating system (6) is the PVC pipeline with uniform hole.
8. combination type wetland system as claimed in claim 1, it is characterized in that, the surface area ratio of described surface-flow unit (1), one-level subsurface flow wetland unit (2), two grades of subsurface flow wetland units (3) and three grades of subsurface flow wetland units (4) is 1:1:1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190847.XA CN105776555B (en) | 2016-03-30 | 2016-03-30 | A kind of combination type wetland system suitable for administering rural household's life sewage of living scattered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190847.XA CN105776555B (en) | 2016-03-30 | 2016-03-30 | A kind of combination type wetland system suitable for administering rural household's life sewage of living scattered |
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| Publication Number | Publication Date |
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| CN105776555A true CN105776555A (en) | 2016-07-20 |
| CN105776555B CN105776555B (en) | 2017-06-20 |
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| CN201610190847.XA Expired - Fee Related CN105776555B (en) | 2016-03-30 | 2016-03-30 | A kind of combination type wetland system suitable for administering rural household's life sewage of living scattered |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720972A (en) * | 2017-11-21 | 2018-02-23 | 中南林业科技大学 | A kind of subsurface flow wetland system for improving artificial swamp cold season treatment effect |
| CN109574234A (en) * | 2018-12-25 | 2019-04-05 | 广州和源生态科技发展有限公司 | A kind of high-efficiency low-carbon wet land system |
| CN111547865A (en) * | 2020-05-21 | 2020-08-18 | 中建二局基础设施建设投资有限公司 | Construction method of water-stacking type stepped constructed wetland system |
| CN112340943A (en) * | 2020-10-30 | 2021-02-09 | 千世亨建设科技有限公司 | Domestic sewage treatment process |
| CN116253439A (en) * | 2023-01-10 | 2023-06-13 | 中国科学院东北地理与农业生态研究所 | Construction method of iron-calcium layered double-metal hydroxide type constructed wetland |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720972A (en) * | 2017-11-21 | 2018-02-23 | 中南林业科技大学 | A kind of subsurface flow wetland system for improving artificial swamp cold season treatment effect |
| CN109574234A (en) * | 2018-12-25 | 2019-04-05 | 广州和源生态科技发展有限公司 | A kind of high-efficiency low-carbon wet land system |
| CN111547865A (en) * | 2020-05-21 | 2020-08-18 | 中建二局基础设施建设投资有限公司 | Construction method of water-stacking type stepped constructed wetland system |
| CN112340943A (en) * | 2020-10-30 | 2021-02-09 | 千世亨建设科技有限公司 | Domestic sewage treatment process |
| CN112340943B (en) * | 2020-10-30 | 2023-12-26 | 千世亨建设科技有限公司 | Domestic sewage treatment process |
| CN116253439A (en) * | 2023-01-10 | 2023-06-13 | 中国科学院东北地理与农业生态研究所 | Construction method of iron-calcium layered double-metal hydroxide type constructed wetland |
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| CN105776555B (en) | 2017-06-20 |
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