CN101792232A - Trickling filtration and artificial wetland system and process for treating town domestic sewage - Google Patents
Trickling filtration and artificial wetland system and process for treating town domestic sewage Download PDFInfo
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- CN101792232A CN101792232A CN201010119491A CN201010119491A CN101792232A CN 101792232 A CN101792232 A CN 101792232A CN 201010119491 A CN201010119491 A CN 201010119491A CN 201010119491 A CN201010119491 A CN 201010119491A CN 101792232 A CN101792232 A CN 101792232A
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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 trickling filtration and artificial wetland system and process for treating town domestic sewage, aiming at solving the technical problem for providing the trickling filtration and artificial wetland system and the process for treating town domestic sewage, which have simple operation, low operating expense and stable and qualified effluent quality. The technical scheme is that the trickling filtration and artificial wetland system comprises an anaerobic jar processing unit, a trickling filtration processing unit, an artificial wetland unit and a land infiltration system which are sequentially connected through pipelines, wherein the anaerobic jar processing unit is formed by connecting a first-level anaerobic pool and a second-level anaerobic pool in series; the trickling filtration processing unit consists of a trickling filtration circulating jar and a trickling filtration pool; and the artificial wetland unit comprises a surface flow artificial wetland and a water level control well. An effluent lifting well is arranged between the outlet end of the wetland and the inlet end of the land infiltration system. The invention can be used for treating town domestic sewage and improving the environment sanitary condition of villages.
Description
Technical field
The present invention relates to a kind of trickling filtration artificial wet land system and technology of handling domestic sewage of villages and small towns.Be applicable to the processing of domestic sewage of villages and small towns.
Background technology
The less energy-consumption that covets of existing domestic sewage of villages and small towns treatment process causes poor processing effect or failure of apparatus, is fit to integrated apparatus that the little water yield in villages and small towns handles simultaneously and has investment, problem that running cost is high again.
Summary of the invention
The technical problem to be solved in the present invention is: for overcoming the above problems, propose a kind of trickling filtration artificial wet land system and a whole set of technical process thereof of handling domestic sewage of villages and small towns, native system is simple to operate, working cost is low, and stable effluent quality is up to standard.
The technical solution adopted in the present invention is: the trickling filtration artificial wet land system of handling domestic sewage of villages and small towns, it is characterized in that: this system comprises the anaerobic jar processing unit that connects in turn by pipeline, drip the filter processing unit, artificial swamp unit and land percolation system, described anaerobic jar processing unit is in series by first step anaerobic pond and second stage anaerobic pond, dripping the filter processing unit forms by dripping filter circulation tank and trickling filter, the artificial swamp unit is made up of surface current artificial wetland and water level control well, is provided with the water outlet winding shaft between the inlet end of the exit end of wetland and land percolation system.
The exit end of described filter processing unit and the exit end of water outlet winding shaft are respectively equipped with valve well, between the valve well of water outlet winding shaft exit end and the second stage anaerobic pond effluent recycling pipe are housed.
Described artificial swamp unit is in series by some surface current artificial wetlands, and every surface current artificial wetland's exit is provided with the water level control well.
Described trickling filter has some seats, and trickling filter is equipped with the inlet end that drips the filter circulation tank and drips the filter return water pipe, is provided with mud return line between trickling filter and the second stage anaerobic pond.
Described land percolation system has the pipeline that level is imbedded soil layer aeration zone inside, and the pipeline bottom is the soil layer aeration zone that 1m is thick at least, and the top covering of described pipeline can be planted the soil layer of plant.
Trickling filtration artificial wet land system of the present invention is handled the technology of domestic sewage of villages and small towns, it is characterized in that step is as follows:
1, domestic sewage of villages and small towns is after pipeline enters described anaerobic jar processing unit, and each anaerobic pond carries out 12 hours anaerobic treatment to sewage, sewage is pumped into drip a filter circulation tank then;
2, will drip the sewage of filtering in the circulation tank and pump into the filter processing of trickling filter do, sewage after obtaining mud and dripping filter, mud flows into second stage anaerobic pond by mud return line, sewage is back to a filter circulation tank by dripping the filter return water pipe, stop 2 hours and reflux cycle are 3 times in dripping the filter circulation tank, afterwards, sewage flows into the artificial swamp unit by dripping filter circulation tank gravity;
3, sewage enters the water outlet winding shaft after the artificial swamp unit stops 7 days, water in the water outlet winding shaft pumps through rising pipe, water in the water outlet winding shaft has 3/4 to be back to second stage anaerobic pond, all the other 1/4 pumps carry out advanced treatment to the land percolation system, and the allocation proportion of water outlet winding shaft water outlet is controlled by valve well.
The invention has the beneficial effects as follows: with anaerobism, to drip filter, artificial swamp, land percolation technology combined, stable effluent quality; The utilization biotechnology is disposed of sewage efficient low-consume; One-piece construction is simple in addition, is convenient to management, has not only saved investment, and has handled domestic sewage of villages and small towns fast and effectively, has improved the rural health environment, has effectively promoted the construction of new socialist countryside.
Description of drawings
Fig. 1 is a system chart of the present invention.
Embodiment
Embodiment one:
This example is embodiment of the present invention when in the sewage network septic tank not being set.As shown in Figure 1, native system comprise two first step anaerobic pond 8-1 that are in series connecting in turn by pipeline and second stage anaerobic pond 8-2, one drip filter circulation tank 1, two placed in-line surface current artificial wetlands 9, water outlet winding shaft 3 and land percolation systems 10.Drip filter circulation tank 1 and be connected with two trickling filters 2, between trickling filter and the second stage anaerobic pond mud return line 7 is housed, the mud of the trickling filter that is used to reflux is to anaerobic pond; Be equipped with between a trickling filter and the filter circulation tank and drip a filter return water pipe 6, the trickling filter treated water that is used to reflux is back to drip filters a circulation tank.Two surface current artificial wetlands' 9 exit all is provided with water level control well 5, is used to regulate and control each unitary water level of native system.
All be provided with valve well 4 at the exit end that drips filter circulation tank 1 and the exit end of water outlet winding shaft 3, with the regulation and control that make things convenient for current and the maintenance of equipment.Wherein, be provided with effluent recycling pipe 11 between the valve well 4 of water outlet winding shaft exit end and the second stage anaerobic pond 8-2.
The artificial swamp of present embodiment is the surface current artificial wetland, and emergent in it and submerged plant are alternately arranged.
The technology that present embodiment is handled domestic sewage of villages and small towns is as follows:
1, sanitary sewage enters second stage anaerobic pond 8-2 after being introduced into the anaerobic treatment that first step anaerobic pond 8-1 carries out 12 hours, carry out 12 hours anaerobic treatment again, organic content reduces significantly in the sewage at this moment, sewage is pumped into to drip a filter circulation tank 1 then.
2, sewage stopped 2 hours in dripping filter circulation tank 1, the sewage that drips during this time in the filter circulation tank pumps into the filter processing of trickling filter 2 dos, obtain mud and sewage after dripping filter, mud flows into second stage anaerobic pond by mud return line 7, the sewage that drips after the filter is back to drip and pumps into trickling filter 2 again behind the filter circulation tank 1 and further handle by dripping a filter return water pipe 6, so circular treatment is three times, afterwards, drips sewage gravity inflow artificial swamp 9 in the filter circulation tank.
3, sewage enters water outlet winding shaft 3 after two artificial swamp waterpower stop 7 days altogether, the emergent of artificial swamp and submerged plant alternately arrange and form alternative aerobic/anaerobic environment, reach the good effect that N removes P of taking off, make that finally water outlet reaches chemical oxygen demand COD≤100mg/l, biochemical oxygen demand (BOD) BOD≤30mg/l, suspended particulates total amount TSS≤30mg/l, the standard of total nitrogen content TN≤25mg/l; Water in the last water outlet winding shaft pumps through rising pipe, and the water in the water outlet winding shaft 3 has 3/4 to be back to second stage anaerobic pond 8-2, and all the other 1/4 pumps carry out advanced treatment to land percolation system 10, and the allocation proportion of water outlet winding shaft water outlet is by valve well 4 controls.
Finally import underground water through the water behind the land percolation, water quality requirement is: at distance land percolation system edges 50m place, groundwater monitoring well water matter must not surpass quality of groundwater standard grade III Standard, when former underground water background value does not satisfy grade III Standard, must not surpass former underground water background value.
Embodiment two:
This example is embodiment of the present invention when being provided with septic tank in the sewage network, its structure and sewage treatment process and embodiment one are similar, different is, this programme has only an anaerobic pond, so external reflux circulation tube 11 and mud return line 7 all are communicated to first step anaerobic pond 8-1.
Claims (6)
1. trickling filtration artificial wet land system of handling domestic sewage of villages and small towns, it is characterized in that: this system comprises the anaerobic jar processing unit that connects in turn by pipeline, drip the filter processing unit, artificial swamp unit and land percolation system (10), described anaerobic jar processing unit is in series by first step anaerobic pond (8-1) and second stage anaerobic pond (8-2), dripping the filter processing unit forms by dripping filter circulation tank (1) and trickling filter (2), the artificial swamp unit is made up of surface current artificial wetland (9) and water level control well (5), is provided with water outlet winding shaft (3) between the inlet end of the exit end of wetland and land percolation system.
2. the trickling filtration artificial wet land system of processing domestic sewage of villages and small towns according to claim 1, it is characterized in that: the exit end of described filter processing unit and the exit end of water outlet winding shaft (3) are respectively equipped with valve well (4), between the valve well (4) of water outlet winding shaft exit end and the second stage anaerobic pond (8-2) effluent recycling pipe (11) are housed.
3. the trickling filtration artificial wet land system of processing domestic sewage of villages and small towns according to claim 1, it is characterized in that: described artificial swamp unit is in series by some surface current artificial wetlands (9), and every surface current artificial wetland's exit is provided with water level control well (5).
4. dripping of processing domestic sewage of villages and small towns according to claim 1 filtered and artificial wet land system, it is characterized in that: described trickling filter (2) has some seats, trickling filter is equipped with the inlet end that drips filter circulation tank (1) and drips filter return water pipe (6), is provided with mud return line (7) between trickling filter and the second stage anaerobic pond (8-2).
5. according to the trickling filtration artificial wet land system of claim 1 or 2 or 3 or 4 described processing domestic sewage of villages and small towns, it is characterized in that: described land percolation system (10) has the pipeline that level is imbedded soil layer aeration zone inside, the pipeline bottom is the soil layer aeration zone that 1m is thick at least, and the top covering of described pipeline can be planted the soil layer of plant.
6. a trickling filtration artificial wet land system according to claim 1 is handled the technology of domestic sewage of villages and small towns, it is characterized in that step is as follows:
6.1, domestic sewage of villages and small towns after pipeline enters described anaerobic jar processing unit, each anaerobic pond carries out 12 hours anaerobic treatment to sewage, sewage is pumped into to drip a filter circulation tank (1) then;
6.2, will drip sewage in filter circulation tank (1) and pump into trickling filter (2) and do to drip filter and handle, sewage after obtaining mud and dripping filter, mud flows into second stage anaerobic pond (8-2) by mud return line (7), sewage is back to a filter circulation tank (1) by dripping filter return water pipe (6), stop 2 hours and reflux cycle are 3 times in dripping filter circulation tank (1), afterwards, sewage flows into the artificial swamp unit by dripping filter circulation tank (1) gravity;
6.3, sewage enters water outlet winding shaft (3) after the artificial swamp unit stopped 7 days, water in the water outlet winding shaft pumps through rising pipe, water in the water outlet winding shaft (3) has 3/4 to be back to second stage anaerobic pond (8-2), all the other 1/4 pumps carry out advanced treatment to land percolation system (10), and the allocation proportion of water outlet winding shaft water outlet is by valve well (4) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010119491A CN101792232A (en) | 2010-02-02 | 2010-02-02 | Trickling filtration and artificial wetland system and process for treating town domestic sewage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010119491A CN101792232A (en) | 2010-02-02 | 2010-02-02 | Trickling filtration and artificial wetland system and process for treating town domestic sewage |
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| CN101792232A true CN101792232A (en) | 2010-08-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921044A (en) * | 2010-08-11 | 2010-12-22 | 环境保护部南京环境科学研究所 | Two-stage anaerobic-tower type filter chamber livestock/poultry wastewater treatment system and treatment process |
| CN105152467A (en) * | 2015-08-11 | 2015-12-16 | 华中农业大学 | Intensive deep decontamination and denitrification treatment system and method for domestic sewage |
| CN108423941A (en) * | 2018-04-13 | 2018-08-21 | 安徽瑞瑶环保科技有限公司 | A kind of new rural village domestic sewage processing method |
| CN108947126A (en) * | 2018-07-25 | 2018-12-07 | 云南省设计院集团工程公司 | A kind of method for treating rural wastewater based on landscape wetland resourcebility |
| CN115583728A (en) * | 2022-11-03 | 2023-01-10 | 南通市市政工程设计院有限责任公司 | Low-energy-consumption ecological sewage treatment method |
-
2010
- 2010-02-02 CN CN201010119491A patent/CN101792232A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921044A (en) * | 2010-08-11 | 2010-12-22 | 环境保护部南京环境科学研究所 | Two-stage anaerobic-tower type filter chamber livestock/poultry wastewater treatment system and treatment process |
| CN101921044B (en) * | 2010-08-11 | 2012-10-24 | 环境保护部南京环境科学研究所 | Two-stage anaerobic-tower type filter chamber livestock/poultry wastewater treatment system and treatment process |
| CN105152467A (en) * | 2015-08-11 | 2015-12-16 | 华中农业大学 | Intensive deep decontamination and denitrification treatment system and method for domestic sewage |
| CN108423941A (en) * | 2018-04-13 | 2018-08-21 | 安徽瑞瑶环保科技有限公司 | A kind of new rural village domestic sewage processing method |
| CN108947126A (en) * | 2018-07-25 | 2018-12-07 | 云南省设计院集团工程公司 | A kind of method for treating rural wastewater based on landscape wetland resourcebility |
| CN115583728A (en) * | 2022-11-03 | 2023-01-10 | 南通市市政工程设计院有限责任公司 | Low-energy-consumption ecological sewage treatment method |
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Open date: 20100804 |