CN101659498A - Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas - Google Patents
Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas Download PDFInfo
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- CN101659498A CN101659498A CN200910060176A CN200910060176A CN101659498A CN 101659498 A CN101659498 A CN 101659498A CN 200910060176 A CN200910060176 A CN 200910060176A CN 200910060176 A CN200910060176 A CN 200910060176A CN 101659498 A CN101659498 A CN 101659498A
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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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Abstract
The invention relates to a compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas. The process utilizes an artificial wetland treatment technology to bematched with a trough type automatically-flowing aeration channel for treating domestic sewage in rural areas. The treated sewage according with the standard can be drained in a local water environment and recycled as agricultural irrigation or environmental water. Compared with the conventional sewage in rural areas, the process adopts a benign artificial wetland ecological system with a certainecological landscape value; if not used, the artificial wetland can be used for secondary tillage to plant crops or fruit tress, thereby obtaining better ecological environment benefit. The technologyhas greater popularization and application values in rural areas.
Description
Technical field
The present invention relates to the sanitary sewage disposal field, particularly a kind of compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas.
Background technology
Domestic sewage in rural areas by using has woods dish home sewage and small towns sewage, and woods dish home disperses, and its sewage is difficult to build sewage network and concentrates discharging, and how several families of each family or centralized residence handle respectively; The small towns is the villages and small towns, market town, small towns of centralized residence etc., and sanitary sewage is more concentrated, and is obvious to local water environment pollution, needs to build small towns sewage work or the station that focuses on.Be sought after that running cost is low, environmental ecological benefit is high, convenient management, the lower sewage disposal technology of investment.Adopt traditional secondary biochemical and derivation process technology thereof on the market at present, as activated sludge process, oxidation ditch process, sequencing batch active sludge etc. more.Also have and adopt oxidation pond, soil processing, artificial swamp to handle, but the many places experimental stage can't guarantee operation successfully steady in a long-term.Therefore, we need a kind of can steady in a long-termly the operation, and respond well domestic sewage in rural areas by using treatment process.
Summary of the invention
The invention discloses a kind of compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas, this technology is carried out as follows:
A. at first collect sanitary sewage, and sanitary sewage is sent into the pre-treatment facility handle by network of drains;
B. will or pump into vertical-flow constructed wetland plant bed through the gravity flow of the water after the pre-treatment;
C. the water outlet after vertical-flow constructed wetland plant bed is handled enters horizontal-flow wetland pool bed system by slot type gravity flow aeration ditch;
D. the water outlet after horizontal-flow wetland pool bed system is handled flows into braiding channel, discharges after the wet well check is up to standard, if the reflow treatment of then doing not up to standard.
Wherein, the pre-treatment facility can design according to water quality, the water yield, the local topography and geomorphology of water inlet, designs or select for use wherein any one pre-treatment facility on septic tank, anaerobism contacting sedimentation tank, aerobic contact tank, enhanced primary treatment facility basis.
In addition, vertical-flow constructed wetland plant bed and the horizontal-flow wetland pool bed system used in this treatment process are two.
The invention has the beneficial effects as follows: this technology utilization artificial swamp treatment technology cooperates slot type gravity flow aeration ditch that domestic sewage in rural areas by using is handled, sewage up to standard can enter local water surrounding and do agricultural irrigation or water reuse after handling, compare the optimum artificial swamp ecosystem that this process using has certain ecoscape to be worth with traditional country sewage processing, later on if be out of use, also be convenient to second ploughing, replant farm crop or fruit tree, ecological environment benefit is preferably arranged.This technology has bigger application value in the rural area.
Description of drawings
Fig. 1 is a process flow sheet of the present invention;
Fig. 2 is an embodiment of the invention floor map;
Fig. 3 is constructed wetland plant bed vertical view among the present invention;
Fig. 4 is constructed wetland plant bed structure figure among the present invention;
Fig. 5 is slot type gravity flow aeration ditch structure iron among the present invention;
Fig. 6 is slot type gravity flow aeration ditch vertical view among the present invention;
Fig. 7 is the interior deflector structure figure of slot type gravity flow waterfall gas canal among Fig. 6.
Embodiment
For those skilled in the art are more readily understood, below we do the present invention with embodiment in conjunction with the accompanying drawings and are explained in more detail.
Consult Fig. 1, Fig. 2, the rural area domestic sewage of villages and small towns comprises through the sanitary sewage of being collected by network of drains of the shunting of removing contamination with without the direct runoff sewage of the shunting of removing contamination, gravity flow or promote with pump and to enter pre-treatment facility 1.Sewage after pre-treatment facility 1 is handled flows automatically or pumps into two vertical-flow constructed wetland plant beds, sewage flows downward in vertical-flow constructed wetland plant bed 2, advection enters vertical-flow constructed wetland plant bed 3 then, sewage upwards flows in constructed wetland plant bed 3, concentrates on plant bed 3 tops from flowing into slot type gravity flow aerator 4.Sewage is in the flow process of vertical-flow constructed wetland plant bed, under effects such as the filtration of rubble matrix, absorption, redox, microbiological degradation, animals and plants absorption and progressively be cleaned.
Water outlet dissolved oxygen after vertical-flow constructed wetland plant bed is handled is very low, after gravity flow enters slot type gravity flow aerator 4, sewage is at turbulent flow in runner type aerator 4, increase the chance that contacts with air and prolong the residence time, thereby the dissolved oxygen concentration in the increase water is for better ecotope has been built in the hold concurrently growth of oxygen, aerobic microbiological of following operation.
Water outlet behind the airborne oxygen of gravity flow aerator 4 absorption portion, gravity flow enters horizontal compound flow constructed wetland pool bed system 5, water outlet gravity flow after water level regulator is regulated water level after the plant pond bed system 5 of horizontal compound flow constructed wetland handles enters the plant pond bed system 6 of horizontal compound flow constructed wetland, and the water outlet gravity flow after water level regulator is regulated water level after the plant pond bed system 6 of horizontal compound flow constructed wetland purifies enters braiding channel 7.
Water outlet behind slot type gravity flow aerator aeration 4 in the plant pond bed system 5,6 of horizontal compound flow constructed wetland, is subjected to its rubble matrix absorption, microbiological degradation, plant absorbing, redox and biochemical action and is further purified.
Flow into the water outlet of braiding channel 7, after wet well 8 checks are up to standard, discharge, but if reflow treatment not up to standard.Water outlet up to standard enters local water surrounding and does agricultural irrigation or water reuse.
Wherein, pre-treatment facility 1 is buried septic tank.
Consult Fig. 3, Fig. 4, the vertical-flow constructed wetland plant bed of using among the present invention, the plant bed 2 upper strata water distribution pipe networks 28 of first lattice of vertical-flow constructed wetland plant bed carry out water distribution, water outlet flows downward, filter through the rubble hypothallus, absorption, flow into the water distribution pipe network 29 of plant bed 2 lower floors of first lattice after the biopurification, the water that compiles in lower floor's water distribution pipe network 29 flows into the lower floor of second lattice plant bed 3 through wall pipe, water in lower floor's water distribution pipe network is upwards flowed by the driving of whole Inlet and outlet water discrepancy in elevation potential energy voluntarily, rubble hypothallus in second lattice plant bed 3 upwards flows into the upper strata water distributor 30 of second lattice plant bed 3, and the water that upper strata water distribution pipe network 30 is collected flows into slot type gravity flow aerator 4 through wall pipe pipeline 31.
Consult Fig. 5 to Fig. 7, the slot type gravity flow aerator of using among the present invention 4 is by connecting water channel 401, water leg 403, wet well 402 is formed, water leg 403 connects 401 with wet well 402 by being connected water channel, connect water channel 401, water leg 403 bottoms are positioned at same level height and exceed wet well 402 bottoms, water leg 403 sidewalls are provided with water inlet pipe 404, wet well 402 sidewalls are provided with rising pipe 405, and these rising pipe 405 mouth of pipe level heights are lower than connection water channel 401, water leg 403 bottom level height, connect in the water channel 401 and be provided with aerating apparatus 406, this aerating apparatus 406 is arranged by several V-shapes that are arranged side by side by the flow deflector 407 of band breach and arc structure and is formed, and 407 of per two flow deflectors form width turbulent flow groove.During work, need aeration from the effusive anoxic water of vertical-flow constructed wetland plant bed, at first flow into the water leg 403 in the slot type aeration structure, enter first width turbulent flow groove; In first width turbulent flow groove, at first in sipes, mix turbulent flow, torrent advances second width turbulent flow of people groove from narrow groove then; At first turbulent in sipes in second width turbulent flow groove, torrent enters the 3rd width turbulent flow groove from narrow groove then.By that analogy, enter wet well 402 until torrent from the narrow groove of last width turbulent flow groove, the flowing water of aeration flows into the next stage artificial wet land treating system through wet well 402 rising pipes.
Claims (4)
1. compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas, it is characterized in that: this technology comprises the steps:
A. at first collect sanitary sewage, and sanitary sewage is sent into the pre-treatment facility handle by network of drains;
B. will or pump into vertical-flow constructed wetland plant bed through the gravity flow of the water after the pre-treatment;
C. the water outlet after vertical-flow constructed wetland plant bed is handled enters horizontal-flow wetland pool bed system by slot type gravity flow aeration ditch;
D. the water outlet after horizontal-flow wetland pool bed system is handled flows into braiding channel, discharges after the wet well check is up to standard, if the reflow treatment of then doing not up to standard.
2. according to the described a kind of compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas of claim 1, it is characterized in that: described pre-treatment facility designs according to water quality, the water yield, the local topography and geomorphology of water inlet, designs or select for use wherein any one pre-treatment facility on septic tank, anaerobism contacting sedimentation tank, aerobic contact tank, enhanced primary treatment facility basis.
3. according to claim 1 or 2 described a kind of compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas, it is characterized in that: described vertical-flow constructed wetland plant bed is two, and sanitary sewage flows into two vertical-flow constructed wetland plant beds successively in the sewage treatment process.
4. according to claim 1 or 2 described a kind of compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas, it is characterized in that: described horizontal-flow wetland pool bed system is two, and the water outlet after slot type gravity flow aeration ditch is handled flows into two horizontal-flow wetland pool bed systems successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100601765A CN101659498B (en) | 2009-07-30 | 2009-07-30 | Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100601765A CN101659498B (en) | 2009-07-30 | 2009-07-30 | Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
Publications (2)
| Publication Number | Publication Date |
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| CN101659498A true CN101659498A (en) | 2010-03-03 |
| CN101659498B CN101659498B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100601765A Expired - Fee Related CN101659498B (en) | 2009-07-30 | 2009-07-30 | Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830564A (en) * | 2010-05-19 | 2010-09-15 | 四川省运辉环保工程咨询有限公司 | Plant pond bed integrally built constructed wetland sewage disposal system |
| CN101863585A (en) * | 2010-04-29 | 2010-10-20 | 重庆大学 | Physicochemical treatment and artificial wetland combined treatment system for sewage treatment of residential area |
| CN103964637A (en) * | 2014-05-06 | 2014-08-06 | 云南省烟草公司玉溪市公司 | Purifying and recycling system of plantation irrigation water |
| CN113603313A (en) * | 2021-09-13 | 2021-11-05 | 中电建生态环境设计研究有限公司 | Low-energy-consumption ecological utilization and treatment system for rural rain sewage |
-
2009
- 2009-07-30 CN CN2009100601765A patent/CN101659498B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863585A (en) * | 2010-04-29 | 2010-10-20 | 重庆大学 | Physicochemical treatment and artificial wetland combined treatment system for sewage treatment of residential area |
| CN101830564A (en) * | 2010-05-19 | 2010-09-15 | 四川省运辉环保工程咨询有限公司 | Plant pond bed integrally built constructed wetland sewage disposal system |
| CN101830564B (en) * | 2010-05-19 | 2012-11-21 | 四川省运辉环保工程咨询有限公司 | Plant pond bed integrally built constructed wetland sewage disposal system |
| CN103964637A (en) * | 2014-05-06 | 2014-08-06 | 云南省烟草公司玉溪市公司 | Purifying and recycling system of plantation irrigation water |
| CN113603313A (en) * | 2021-09-13 | 2021-11-05 | 中电建生态环境设计研究有限公司 | Low-energy-consumption ecological utilization and treatment system for rural rain sewage |
| CN113603313B (en) * | 2021-09-13 | 2023-05-12 | 中电建生态环境设计研究有限公司 | Low-energy-consumption rural rainwater and sewage ecological utilization treatment system |
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| Publication number | Publication date |
|---|---|
| CN101659498B (en) | 2011-11-23 |
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