CN103466800A - Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof - Google Patents
Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof Download PDFInfo
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- CN103466800A CN103466800A CN2013104403454A CN201310440345A CN103466800A CN 103466800 A CN103466800 A CN 103466800A CN 2013104403454 A CN2013104403454 A CN 2013104403454A CN 201310440345 A CN201310440345 A CN 201310440345A CN 103466800 A CN103466800 A CN 103466800A
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- corbicula fluminea
- wetland
- bed body
- cage
- fluminea
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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 relates to a quasi-ecological corbicula fluminea surface-flow constructed wetland and an operating method thereof. The constructed wetland comprises a bed body, timed aeration devices, corbicula fluminea cages, corbicula fluminea, a sandy soil layer and wetland plants, wherein the wetland bed body is of a cuboid, a water inlet pipe and a water outlet pipe are respectively arranged at the front and rear ends of the wetland, the wetland bed body is made of concrete, the sandy soil layer with the thickness of 50-70cm is packed at the bottom of the bed body, the timed aeration devices are mounted on two sidewalls of the bed body, and the corbicula fluminea cages containing corbicula fluminea are placed in gaps among the wetland plants on the sandy soil layer. According to the quasi-ecological corbicula fluminea surface-flow constructed wetland and the operating method thereof, the corbicula fluminea cages, the plants and microorganisms are combined, so that sewage is subjected to intensified treatment, the quality of outlet water is good, and no secondary pollution is caused; compared with the natural state, the number of corbicula fluminea in water is increased greatly, and the sewage purifying effect is enhanced.
Description
One, technical field
The invention belongs to sewage treatment area, relate to a kind of Corbicula fluminea surface flow artificial marshland of processing sanitary wastewater.
Two, background technology
Along with the high speed development of Chinese national economy, the improving constantly of industrial and agricultural production ability in recent years, people's lives are further improved, and the environmental pollution that wherein sanitary sewage causes has caused showing great attention to of countries in the world.The quantity discharged of China's city domestic sewage is increasing year by year, and meanwhile, very large variation has all occurred for the water yield of the sewage of generation and water quality.Use original technology to process and be difficult to reach gratifying effect sewage, need to make improvements.
At present, in sewage disposal, the most frequently used several treatment technologies have the methods such as oxidation Ditch Technology and SBR technique.Oxidation Ditch Technology running cost is higher; Need be equipped with special-purpose water-freeing arrangement and automatic control system during the operation of SBR Process, the investment of engineering is had relatively high expectations.This limits its development to a great extent.
Quantity research shows greatly, and Corbicula fluminea has very strong detergent power to the organic pollutant in sanitary sewage, the heavy metal in water body is also had to certain accumulation ability simultaneously.Up to the present, do not utilize the Corbicula fluminea surface flow artificial marshland to process the report of waste water.
Three, summary of the invention
The objective of the invention is to design a kind of effective, simple in structure, less investment of disposing of sewage, be easy to management and operation, the Corbicula fluminea surface flow artificial marshland of non-secondary pollution.
The present invention is achieved through the following technical solutions: accurate ecological Corbicula fluminea surface flow artificial marshland, comprise a body, timing aerating apparatus, Corbicula fluminea cage, Corbicula fluminea, sandy soils, wetland plant, wetland bed body is rectangular parallelepiped, there are respectively water inlet pipe and rising pipe in the front-end and back-end of wetland, wetland bed body consists of concrete, the sandy soils with 50-70cm is filled out in bed body bottom, and regularly aerating apparatus is housed on bed body two side, places the Corbicula fluminea cage that Corbicula fluminea is housed in the wetland plant gap on sandy soils.Described Corbicula fluminea cage is rectangular structure, and inside is divided upper and lower three layers with dividing plate, and the thickness of Corbicula fluminea cage layer is 6-10cm, the 10cm of being separated by between upper and lower Corbicula fluminea layer, and the surrounding that reaches up and down of Corbicula fluminea cage is wrapped up with nylon wire.The water level of described wetland remains on 40-45cm, and the Corbicula fluminea cage is at underwater 10-15cm, and the dissolved oxygen of Flow in Wetland is 4-6mg/L.Sandy soils is silty loam, the wetland plants such as the above's plantation small stream sweet-smelling grass, Festuca Arundinacea, rye grass, chrysanthemum calamus.The existing cleaning action of plant, have again beautifying functions.Regularly aerating apparatus is housed on the bed body wall, can be according to temperature variation, the start/stop time of auto-control aerating apparatus, guarantee dissolved oxygen stable in water.
In use, at first sewage enter wet land system from water inlet pipe in the present invention, the horizontal flow mistake, and through the Corbicula fluminea cage, the processing by Corbicula fluminea to sewage, the organic pollutant in sanitary sewage and part inorganic pollutant are processed and are purified.Substrate provides good growing environment for microorganism.But waterplant absorbed nitrogen, phosphorus, as the idiotrophic material, carry out purifying treatment to sewage.Water after system is processed is discharged by rising pipe.
The present invention has the following advantages:
(1) treatment effect of the present invention is good, less investment, and operating costs are low, are easy to management and operation, non-secondary pollution;
(2) the present invention, by Corbicula fluminea cage, plant and microbial combination, carries out intensive treatment to sewage, and effluent quality is good;
(3) the interior part of this Corbicula fluminea cage is three layers, with under state of nature, compares, and has greatly increased the quantity of Corbicula fluminea in water, has strengthened the decontamination effect improving to sewage.
Four, accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
Fig. 1 is Corbicula fluminea surface flow artificial marshland cross-sectional view, the perspective view that Fig. 2 is the Corbicula fluminea cage.
Wherein, 1, wetland plant, 2, the bed body, 3, the water surface, 4, the Corbicula fluminea cage, 5, water inlet pipe, 6, aerating apparatus regularly, 7, rising pipe, 8, sandy soils, 9, nylon wire, 10, Corbicula fluminea.
Five, specific embodiment
Embodiment 1
As shown in Figures 1 and 2, wetland bed body 2 of the present invention is rectangle structure, and long-width ratio is 2:1, and there are respectively water inlet pipe 5 and rising pipe 7 in the wetland front-end and back-end.The bed body 2 of wetland consists of the concrete body, and the sandy soils 8 with 50-70cm is filled out in bed body bottom, and sandy soils 8 is silty loam, the wetland plants 1 such as the above's plantation small stream sweet-smelling grass, Festuca Arundinacea, rye grass, chrysanthemum calamus.Regularly aerating apparatus 6 is housed on wetland bed body 2 two sides, can be according to the concentration of temperature variation and oxygen in water, the start/stop time of auto-control aerating apparatus, guarantee that in water, dissolved oxygen is 5mg/L.Place Corbicula fluminea cage 4 on sandy soils 8, the water level of wetland remains on 40-45cm, and the water surface 3 did not approximately have Corbicula fluminea cage 10-15cm.The Corbicula fluminea cage is made rectangular-shaped, by the PVC material, forms its skeleton construction, and outside with nylon wire 9 parcels, nylon wire 9 has good water proof wind proof performance, and wear resistance is high, and strength, elastic is fine.Corbicula fluminea cage inside is divided upper and lower three layers with dividing plate, place Corbicula fluminea 10 on every layer, the thickness of Corbicula fluminea layer is 6-10cm, the 10cm of being separated by between upper and lower Corbicula fluminea layer, under state of nature, compare, greatly increased the quantity of Corbicula fluminea in water, and guaranteed that Corbicula fluminea can fully contact with sewage, has promoted the treatment effect of sewage greatly.
When native system is processed sanitary sewage, first with tap water, II class water, III class water running 7-10 days, and then dispose of sewage, sewage enters from bed body 2 water inlet pipes 5, the horizontal flow mistake, current are through Corbicula fluminea cage 4, and by the processing of 10 pairs of sewage of Corbicula fluminea, the organic pollutant in sanitary sewage and part inorganic pollutant are purified.Bottom matrix provides growing environment for microorganism, and the pollutents such as nitrogen, phosphorus further are adsorbed degraded.But wetland plant 1 absorbed nitrogen, phosphorus, as the idiotrophic material, carry out intensive treatment to sewage, the water after system is processed is discharged by rising pipe 7.
Embodiment 2
Operation method is identical with embodiment 1, due to Corbicula fluminea reproduction animated period in summer, so different, be summer the dissolved oxygen of wet land system be controlled at 5-6mg/L, winter, the dissolved oxygen of wet land system was controlled at 4-5mg/L.
Claims (3)
1. accurate ecological Corbicula fluminea surface flow artificial marshland, comprise a body, timing aerating apparatus, Corbicula fluminea cage, Corbicula fluminea, sandy soils, wetland plant, wetland bed body is rectangular parallelepiped, there are respectively water inlet pipe and rising pipe in the front-end and back-end of wetland, it is characterized in that a body consists of concrete, the sandy soils with 50～70cm is filled out in bed body bottom, and regularly aerating apparatus is housed on bed body two side, places the Corbicula fluminea cage that Corbicula fluminea is housed in the wetland plant gap on sandy soils.
2. the ecological Corbicula fluminea surface flow artificial marshland of standard according to claim 1, it is characterized in that described Corbicula fluminea cage is rectangular structure, inside is divided upper and lower three layers with dividing plate, and the thickness of Corbicula fluminea cage layer is 6～10cm, the 10cm of being separated by between upper and lower Corbicula fluminea layer, the surrounding that reaches up and down of Corbicula fluminea cage is wrapped up with nylon wire.
3. the ecological Corbicula fluminea surface flow artificial marshland of standard according to claim 1 and operation method thereof, is characterized in that the water level of described wetland remains on 40～45cm, and the Corbicula fluminea cage is at underwater 10～15cm, and the dissolved oxygen of Flow in Wetland is 4-6mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310440345.4A CN103466800B (en) | 2013-09-25 | 2013-09-25 | Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof |
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| CN201310440345.4A CN103466800B (en) | 2013-09-25 | 2013-09-25 | Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof |
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| CN103466800A true CN103466800A (en) | 2013-12-25 |
| CN103466800B CN103466800B (en) | 2015-06-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086058A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Aerobiotic/anaerobic artificial wetland system |
| CN104086056A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Wastewater treatment device |
| CN104086059A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Constructed wetland system |
| CN104098180A (en) * | 2014-08-01 | 2014-10-15 | 方帅 | Aerobic anaerobic immobilization microbe sewage treatment device |
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2013
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11197647A (en) * | 1998-01-12 | 1999-07-27 | Shoichiro Cho | Purification of water collecting area |
| US20030230529A1 (en) * | 2002-06-17 | 2003-12-18 | Austin David C. | Integrated tidal wastewater treatment system and method |
| CN101066808A (en) * | 2007-05-24 | 2007-11-07 | 浙江大学 | Ventilating and baffling artificial wetland simulator |
| CN101121570A (en) * | 2007-07-25 | 2008-02-13 | 东南大学 | Method and device for treating domestic sewage by earthworm strengthened artificial wet land |
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| CN101898856A (en) * | 2010-08-06 | 2010-12-01 | 中国矿业大学(北京) | Subsurface flow constructed wetland system of secondary effluent from sewage treatment plant and application thereof |
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| CN201962125U (en) * | 2011-04-26 | 2011-09-07 | 湖南富利来环保科技工程有限公司 | Oxygen consumption type artificial wetland |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086058A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Aerobiotic/anaerobic artificial wetland system |
| CN104086056A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Wastewater treatment device |
| CN104086059A (en) * | 2014-08-01 | 2014-10-08 | 安庆庆荣企业管理咨询有限责任公司 | Constructed wetland system |
| CN104098180A (en) * | 2014-08-01 | 2014-10-15 | 方帅 | Aerobic anaerobic immobilization microbe sewage treatment device |
| CN104086058B (en) * | 2014-08-01 | 2015-08-19 | 汪浩 | Aerobic-anaerobic artificial wet land system |
| CN104086059B (en) * | 2014-08-01 | 2015-10-21 | 汪浩 | A kind of artificial wet land system |
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| CN103466800B (en) | 2015-06-10 |
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