CN1312059C - Artificial wet land treating method and its equipment for life waste water - Google Patents
Artificial wet land treating method and its equipment for life waste water Download PDFInfo
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- CN1312059C CN1312059C CNB2004100796205A CN200410079620A CN1312059C CN 1312059 C CN1312059 C CN 1312059C CN B2004100796205 A CNB2004100796205 A CN B2004100796205A CN 200410079620 A CN200410079620 A CN 200410079620A CN 1312059 C CN1312059 C CN 1312059C
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- artificial
- pond
- wetland
- artificial swamp
- artificial wetland
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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 present invention relates to an artificial wetland treating method for domestic sewage and a facility thereof, which belongs to the technical field of environment protecting projects and water treatment. Foreign matter and suspended matter in domestic sewage are removed by a pretreatment unit, and then the domestic sewage is put into artificial wetland and is purified by a primary oxidation pond, primary surface-current artificial wetland, a secondary reinforcing pond, undercurrent artificial wetland and secondary surface-current artificial wetland; finally, purified water is drained after passing through a stabilization pond. The artificial wetland sewage treating facility comprises the pretreatment unit and the artificial wetland, wherein the pretreatment unit is a water channel with thick and thin grills, and the artificial wetland is formed by the series connection of the primary oxidation pond, the primary surface-current artificial wetland, the secondary reinforcing pond, the undercurrent artificial wetland, the secondary surface-current artificial wetland and the stabilization pond through channels or water pipes. The present invention has the advantages of small ground occupation, high purifying efficiency, high system stability, simple treating technology, low operation cost, benefits for improving district landscapes, etc.
Description
Technical field: the present invention relates to field of environmental engineering, especially relates to a kind of artificial swamp technology that adopts and carries out method and device thereof that community life sewage is handled, belongs to environment-friendly engineering and water-treatment technology field.
Technical background: wetting system and technology during community life sewage is handled and generally all adopted at present, working cost is than higher.And artificial swamp is a kind of ecological pollution treatment technology of having applied both at home and abroad for many years, and existing artificial swamp has oxidation pond, surface current wetland, current wetland three classes; Oxidation pond utilizes in the water Metabolic activity of microorganism in the pond water to come organic pollutant in the degradation of sewage, needs often to remove to handle but be easy to generate a large amount of mud, and the ability of disposing of sewage is subjected to weather effect big; The surface current wetland is planted plant in the pond, utilize in the pond microbial film on stem, the bar under the vegetation water to remove organism in the sewage, but floor space is big, the water conservancy load is little, detergent power is limited, system's operation is subjected to that weather effect is big, the living mosquitos and flies of easy evil in summer etc.; Current wetland is filled with bed of packings and plants in the pond have plant, water is at filling surface seepage flow, make full use of in the packing layer and root system of plant on microbial film and other various being used for dispose of sewage, rare stench and mosquitos and flies phenomenon, but can not keep higher ammonia nitrogen removal frank, limited by winter climate.Application number is 02134718.2, publication number is 1482079A, name is called " a kind of artificial marsh sewage treating method and device thereof " though application for a patent for invention a kind of method and device that utilizes the artificial swamp technology to carry out sewage disposal disclosed, employing makes sewage remove foreign material and suspended substance through pretreatment unit successively, handle through the artificial swamp that is connected into by turn one's coat pond and filtering basin again, thereby sewage is purified, but it is big to exist floor space, problems such as little, the easy obstruction of aquifer yield, efficient are low, operation shakiness.Pollute during the face source administers though artificial swamp has been applied to water, seldom be applied in water such as ecological residence sub-district and pollute point source and administer in the engineering, artificial swamp is administered Technology of Sewage and is applied to community life sewage and handles and also do not have substantive the application at present.
Summary of the invention: the objective of the invention is to solve existing community life sewage treatment facility and complex process, the working cost problem of higher, a kind of pollution treatment efficient height is provided, community life sewage artificial wet land treating method and device thereof that environmental benefit is good, solve simultaneously existing artificial swamp floor space big, stop up easily, efficient is low, move unsteady problem.
Technical scheme of the present invention is: the sanitary sewage artificial wet land treating method may further comprise the steps: earlier with the pretreatment unit of sanitary sewage through being made up of the thickness grid, remove foreign material, suspended substance, then it is sent into artificial swamp, after the processing of stair oxidation pond, enter the one-level surface current artificial wetland and carry out first class purification, carry out secondary purification through secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland successively again and handle, at last through discharging by system's water outlet behind the water process stabilization pond after purifying.
This artificial swamp sewage treatment facility comprises pretreatment unit and artificial wet land system, pretreatment unit is the collecting gutter of band thickness grid, artificial swamp is in series through irrigation canals and ditches or water distributing pipe by stair oxidation pond, one-level surface current artificial wetland, secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland, stabilization pond.The pretreatment unit outlet is connected with water distributor by the cloth water channel with the artificial swamp inlet.This artificial swamp is an overlay structure up and down, oxidation pond is a underground structure, be positioned at the manually wet and drowned flow artificial wet land of surface current below, it is stable to be beneficial to wet land system when having reduced the wetland floor space, the oxidation pond bottom has certain slope and disposes desilting equipment (as: sludge pump); Filler and plant are arranged in the drowned flow artificial wet land, being laid with water distributor and anti-filler simultaneously stops up facility and (can lay book mould material such as non-woven fabrics and do sealing coat on pipe network, and then insert mixed fillers), water (flow) direction is a horizontal flow, filler is the mixture of building stones, sand, haydite etc., building stones can be one or more the mixtures in cobble, zeolite or the gravel etc., and its size is 30-120mm (selecting according to actual needs); No filler in the stabilization pond, plant is arranged, plant is waterplant such as typha, this genus of standing grain, Cyperus, sedge genus, umbrella shape Pittosporum, as reed, Medulla Junci, cattail, calamus, nutgrass flatsedge, hay grass, parasol bamboo, Scirpus tabernaemontani, Wildcelery Herb etc.; Filler is arranged among the one-level surface current artificial wetland, plant is arranged, do not have filler, no plant in the secondary surface person who lives in exile worker wetland.
The present invention has both reduced the wetland floor space owing to adopt artificial swamp multistage, up-down structure to handle sanitary sewage, combines the advantage of kinds of artificial wetland sewage again, has improved purification efficiency; The gradient of oxidation pond bottom and the desilting equipment of setting are convenient to the regular maintenance wet land system and are avoided the peculiar smell volatilization to cause the sub-district Air quality to descend; Stabilization pond helps the water body reparation, improves water quality, forms view in conjunction with housing estate development; And secondary surface person who lives in exile worker wetland then helps increasing the content of DO in the water, can utilize solar ultraviolet to kill certain harmful microorganism simultaneously.Therefore, the present invention has compared with prior art reduced the floor space of artificial swamp significantly, has improved purification efficiency, has increased the stability of system, has that treatment process is simple, purification efficiency is high, working cost is low, help improving advantages such as sub-district view.
The present invention also can be according to the free control device scale of flooding quantity, according to the free control texture layout of landform; Under the prerequisite that guarantees the wetland purification effect, can be for a long time, efficiently operation continuously and stably, solved existing artificial swamp floor space big, stop up easily, problems such as efficient is low, operation shakiness.
Description of drawings:
Fig. 1 is sewage treatment process figure of the present invention;
Fig. 2 is the artificial wetland sewage treatment facility of a present invention embodiment structural representation; Among the figure, 1 is pretreatment unit, 2 for water pipe, 3 for the stair oxidation pond, 4 for the waterpipe of whirling, 5 for the one-level surface current artificial wetland, 6 for secondary reinforcement pond, 7 water distribution pipes, 8 for drowned flow artificial wet land, 9 for secondary surface person who lives in exile worker wetland, 10 be stabilization pond.
Embodiment: the invention will be further described below in conjunction with drawings and Examples.
Example one: as shown in Figure 1, this sanitary sewage artificial wet land treating method may further comprise the steps: earlier with the pretreatment unit of sanitary sewage through being made up of the thickness grid, remove foreign material, suspended substance, then it is sent into artificial swamp, after stair oxidation pond oxidation, enter the one-level surface current artificial wetland and carry out first class purification, carry out secondary purification through secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland successively again and handle, enter the view pool through the water water outlet after purifying at last.
As shown in Figure 2, this artificial swamp sewage treatment facility comprises pretreatment unit and artificial swamp, pretreatment unit is the ditch of band thickness grid, artificial swamp is in series through irrigation canals and ditches or water pipe by stair oxidation pond, one-level surface current artificial wetland, secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland, stabilization pond, and the pretreatment unit outlet is connected by water distributor with the artificial swamp inlet.This artificial swamp is an overlay structure up and down, oxidation pond is a underground structure, be positioned at the manually wet and drowned flow artificial wet land of surface current below, it is stable to be beneficial to wetland when having reduced the wetland floor space, the oxidation pond bottom has certain slope and disposes 1 kilowatt sludge pump; Filler and plant are arranged in the drowned flow artificial wet land, be laid with water distributor and non-woven fabrics simultaneously, prevent that filler from stopping up, water (flow) direction is a horizontal flow, and filler is the mixture of building stones and sand, and building stones are cobbles, and its size is about 60mm; No filler in the stabilization pond, plant is arranged, plant is reed, Medulla Junci, cattail, calamus, hay grass, Scirpus tabernaemontani, Wildcelery Herb; There are not filler, no plant in the secondary surface person who lives in exile worker wetland.
As shown in Figure 2, the pretreatment unit of sanitary sewage through being made up of the thickness grid removed foreign material, suspended substance, and then will be sent into artificial swamp through pretreated sewage.The sewage that enters artificial swamp is in the anaerobic environment in stair oxidation pond, the organism of complexity is decomposed into simple inorganics, through the one-level surface current artificial wetland suspended substance in the sewage is deposited then, and the T-P in the sewage is removed in absorption, T-N, further the organism in the sewage is decomposed through the secondary reinforcement pond again, then through the organism in drowned flow artificial wet land absorption and the removal sewage, sewage through previous processed has obtained purifying significantly, the sewage of this moment is the process reoxygenation in secondary surface person who lives in exile worker wetland, enter after the sterilization further repair in the stabilization pond after, the water after the processing that obtains can utilize again.
The construction investment of this artificial swamp and engineering operation expense are about 1/8 of existing other domestic sewage treatment process, compare (seeing Table 1) with the white clay in Shenzhen worker's wet land treating system that cheats, the construction investment of sanitary sewage constructed wetland device of the present invention and running cost are also lower, have embodied the superiority and the practicality of this artificial wet land system.
This example artificial swamp sewage treatment facility operation result shows: the clearance of handling T-N in the water body is the highest can to reach 75%, and the permanganate index clearance reaches 80%, and the clearance of BOD5 is the highest can to reach 75%.
The economy of table 1 sanitary sewage artificial wet land system of the present invention and other Sewage treatment systems relatively
| Engineering name | Processing mode | Sewage investment cost (unit/the m of unit 3) | Sewage disposal expense (unit/the m of unit 3) |
| Shenzhen white clay worker's wet land treating system that cheats | Artificial swamp | 138 | 0.02 |
| This sanitary sewage artificial wet land treating system | Artificial swamp | 135 | ＜0.02 |
Example two, as shown in Figure 1, this sanitary sewage artificial wet land treating method may further comprise the steps: earlier with the pretreatment unit of sanitary sewage through being made up of the thickness grid, remove foreign material, suspended substance, then it is sent into artificial swamp, after stair oxidation pond oxidation, enter the one-level surface current artificial wetland and carry out first class purification, carry out secondary purification through secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland successively again and handle, utilize through the water water outlet after purifying at last.
As shown in Figure 2, this artificial swamp sewage treatment facility comprises pretreatment unit and artificial swamp, pretreatment unit is the ditch of band thickness grid, artificial swamp is in series through irrigation canals and ditches or water pipe by stair oxidation pond, one-level surface current artificial wetland, secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland, and the pretreatment unit outlet is connected by water distributor with the artificial swamp inlet.This artificial swamp is an overlay structure up and down, oxidation pond is a underground structure, be positioned at the manually wet and drowned flow artificial wet land of surface current below, it is stable to be beneficial to wetland when having reduced the wetland floor space, the oxidation pond bottom has certain slope and disposes 2 kilowatts sludge pump; Filler and plant are arranged in the drowned flow artificial wet land, be laid with common book mould materials such as water distributor and non-woven fabrics simultaneously and prevent that filler from stopping up facility, water (flow) direction is a horizontal flow, and filler is the mixture of building stones and sand, and building stones are gravels, and its size is 30mm; One-level surface current artificial wetland has filler, plant is arranged, and plant is reed, nutgrass flatsedge, Cyperus iria L.scirpus maritimus, Tian Biancao, parasol bamboo, Canna generalis Bailey; There are not filler, no plant in the secondary surface person who lives in exile worker wetland.
This example artificial swamp sewage treatment facility operation result shows: the clearance of handling T-N in the water body is the highest can to reach 76%, and the permanganate index clearance reaches 82%, BOD
5Clearance the highlyest can reach 78%.
Example three, as shown in Figure 1, this sanitary sewage artificial wet land treating method may further comprise the steps: earlier with the pretreatment unit of sanitary sewage through being made up of the thickness grid, remove foreign material, suspended substance, then it is sent into artificial swamp, after stair oxidation pond oxidation, enter the one-level surface current artificial wetland and carry out first class purification, carry out secondary purification through secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland successively again and handle, discharge through behind the stabilization pond through the water after purifying at last.
As shown in Figure 2, this artificial swamp sewage treatment facility comprises pretreatment unit and artificial swamp, pretreatment unit is the ditch of band thickness grid, artificial swamp is in series through irrigation canals and ditches or water pipe by stair oxidation pond, one-level surface current artificial wetland, secondary oxidation pond, drowned flow artificial wet land, stabilization pond, secondary surface person who lives in exile worker wetland, and the pretreatment unit outlet is connected by water distributor with the artificial swamp inlet.This artificial swamp is an overlay structure up and down, oxidation pond is a underground structure, be positioned at the manually wet and drowned flow artificial wet land of surface current below, it is stable to be beneficial to wetland when having reduced the wetland floor space, the oxidation pond bottom has certain slope and disposes 3 kilowatts sludge pump; Filler and plant are arranged in the drowned flow artificial wet land, be laid with water distributor and non-woven fabrics simultaneously, prevent that filler from stopping up facility, water (flow) direction is a horizontal flow, and filler is the mixture of building stones and sand, and building stones are mixtures of gravel and cobble, and its size is 120mm; No filler in the stabilization pond, plant is arranged, plant is cattail, reed, water lily; There are not filler, no plant among the surface current artificial wetland.
Behind current process pre-treatment and the underground storage anaerobic pond, SS is very low, adds the regular back flushing to the secondary drowned flow artificial wet land, has reduced the latch up phenomenon of system.
This example artificial swamp sewage treatment facility operation result shows: the clearance of handling T-N in the water body is the highest can to reach 74%, and the permanganate index clearance reaches 83%, BOD
5Clearance the highlyest can reach 74%.
Claims (8)
1, a kind of constructed wetland domestic sewage treatment process, it is characterized in that treatment step is: earlier with the pretreatment unit of sanitary sewage through forming by the thickness grid, remove foreign material, suspended substance, then it is sent into artificial swamp, after the processing of stair oxidation pond, enter the one-level surface current artificial wetland and carry out first class purification, carry out secondary purification through secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland successively again and handle, at last through discharging by system's water outlet behind the water process stabilization pond after purifying.
2, a kind of artificial swamp sewage treatment facility, comprise pretreatment unit and artificial swamp, it is characterized in that pretreatment unit is the ditch of band thickness grid, artificial swamp is in series through irrigation canals and ditches or water pipe in regular turn by stair oxidation pond, one-level surface current artificial wetland, secondary reinforcement pond, drowned flow artificial wet land, secondary surface person who lives in exile worker wetland, stabilization pond, and the pretreatment unit outlet is connected by water distributor with the artificial swamp inlet; Described artificial swamp is an overlay structure up and down, and oxidation pond is a underground structure, be positioned at surface current artificial wetland and drowned flow artificial wet land below, there is certain slope its bottom and disposes desilting equipment.
3, artificial swamp sewage treatment facility according to claim 2 is characterized in that filler and plant are arranged in the drowned flow artificial wet land, is laid with water distributor simultaneously, and water (flow) direction is a horizontal flow.
4, artificial swamp sewage treatment facility according to claim 3 is characterized in that the filler in the drowned flow artificial wet land is the mixture of building stones, sand, haydite.
5, artificial swamp sewage treatment facility according to claim 2 is characterized in that being provided with in the drowned flow artificial wet land anti-filler and stops up facility.
6, artificial swamp sewage treatment facility according to claim 4 is characterized in that building stones are one or more the mixtures in cobble, zeolite or the gravel, and its size is 20-60mm.
7, artificial swamp sewage treatment facility according to claim 2 is characterized in that no filler in the stabilization pond, plant is arranged, and does not have filler, no plant in the secondary surface person who lives in exile worker wetland.
8,, it is characterized in that described plant is typha, this genus of standing grain, Cyperus, sedge genus, umbrella shape Pittosporum waterplant according to claim 3 or 6 described artificial swamp sewage treatment facilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100796205A CN1312059C (en) | 2004-12-13 | 2004-12-13 | Artificial wet land treating method and its equipment for life waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100796205A CN1312059C (en) | 2004-12-13 | 2004-12-13 | Artificial wet land treating method and its equipment for life waste water |
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| CN1648073A CN1648073A (en) | 2005-08-03 |
| CN1312059C true CN1312059C (en) | 2007-04-25 |
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| CNB2004100796205A Expired - Fee Related CN1312059C (en) | 2004-12-13 | 2004-12-13 | Artificial wet land treating method and its equipment for life waste water |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100551850C (en) * | 2006-04-29 | 2009-10-21 | 广州德润环保科技发展有限公司 | Composite ecological treatment method of sewage for artificial wet land and system thereof |
| CN100398465C (en) * | 2007-07-13 | 2008-07-02 | 北京市水利科学研究所 | Composite artificial marshland water quality clarification system in north low-temperature area |
| CN101704586B (en) * | 2009-11-17 | 2011-07-20 | 山东大学 | Nesting mixed flow constructed wetland |
| CN101746933B (en) * | 2009-12-14 | 2012-02-08 | 竹溪创艺皂素有限公司 | Process of ecological pond- sheet current wetland complex system for deeply processing saponin waste water |
| CN102107982A (en) * | 2009-12-23 | 2011-06-29 | 中国科学院生态环境研究中心 | Ecological engineering combination technology for deep purification of nutritive salts in reclaimed water |
| CN101805061B (en) * | 2010-03-10 | 2012-10-03 | 罗仕均 | Organic sewage constructed wetland processing and high-yield non-food energy plant cultivating technology |
| CN102351376B (en) * | 2011-07-08 | 2012-11-28 | 中国科学院水生生物研究所 | Riverbank multiple pond wetland waste sewage treatment method and device |
| CN102642990B (en) * | 2012-04-28 | 2013-09-11 | 重庆大学 | Constructed wetland sewage treatment nitrous oxide discharging control system |
| CN103708603A (en) * | 2013-11-29 | 2014-04-09 | 东北大学 | Distributed riverway floating-type hydrodynamic bio-membrane reactor |
| CN105439284B (en) * | 2015-09-24 | 2018-04-17 | 福建方明环保科技股份有限公司 | And oxygen biological respinse slope filter system |
| CN112340943B (en) * | 2020-10-30 | 2023-12-26 | 千世亨建设科技有限公司 | Domestic sewage treatment process |
| CN115124201A (en) * | 2022-08-02 | 2022-09-30 | 东珠生态环保股份有限公司 | Modular sewage treatment system for wetland |
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| WO2003006388A1 (en) * | 2001-07-10 | 2003-01-23 | Centre National De La Recherche Scientifique (C.N.R.S.) | Method for starting up a system for treating waste by hydrothermal oxidation |
| CN1533990A (en) * | 2003-04-01 | 2004-10-06 | 邱江平 | High density aquatic plant ditch sewage treatment system |
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2004
- 2004-12-13 CN CNB2004100796205A patent/CN1312059C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138847A (en) * | 1994-09-13 | 1996-12-25 | 伊诺沃管理有限公司 | Method for cleaning contaminated water |
| US5462666A (en) * | 1994-09-28 | 1995-10-31 | Rjjb & G, Inc. | Treatment of nutrient-rich water |
| CN1288864A (en) * | 2000-11-09 | 2001-03-28 | 中国科学院石家庄农业现代化研究所 | Domestic sewage treating system |
| WO2003006388A1 (en) * | 2001-07-10 | 2003-01-23 | Centre National De La Recherche Scientifique (C.N.R.S.) | Method for starting up a system for treating waste by hydrothermal oxidation |
| CN1533990A (en) * | 2003-04-01 | 2004-10-06 | 邱江平 | High density aquatic plant ditch sewage treatment system |
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