CN104671421A - Wetting and drying alternation type sewage purification method - Google Patents
Wetting and drying alternation type sewage purification method Download PDFInfo
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- CN104671421A CN104671421A CN201510097366.XA CN201510097366A CN104671421A CN 104671421 A CN104671421 A CN 104671421A CN 201510097366 A CN201510097366 A CN 201510097366A CN 104671421 A CN104671421 A CN 104671421A
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- sewage
- wetting
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- drying
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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 discloses a wetting and drying alternation type sewage purification method. Sewage flows into a wetland filler layer of a wetting and drying alternation type sewage purification device until the sewage submerges wetland filler, the wetland filler is submerged in the sewage to be in an anaerobic state, and gaps of the wetland filler are filled with air to be in an oxygen-containing state when the sewage is pumped out of the wetland filler layer, so that the wetland filler and sewage are in a wetting and drying alternation circulation state. A natural siphon or water pump including but not limited to a siphon pipeline pumps out sewage intermittently, so that the wetting and drying alternation function of an upper wetland filler layer is realized. Wetting and drying alternation circulation of the wetland filler in the sewage is realized, and the gaps of the wetland filler are in an oxygen-enriched state due to the fact that oxygen is accommodated in the gaps of the wetland filler and root systems of a wetland plate are contacted with air, so that the treatment effect of sewage is improved. Devices are used simultaneously in a parallel-connection or series-connection manner, and the continuous stable effect of water quality of the treated domestic sewage is remarkable.
Description
Technical field
The present invention relates to a kind of water treatment method, specifically a kind of alternation of wetting and drying effluent purification method.
Background technology
Sewage is the important factor causing the water pollutions such as river, river, lake; Current, in order to dispose of sewage to reduce the impact of sewage on water surrounding, the purification facility of various sewage and treatment technology are constantly in use.Wherein the process of sanitary sewage particularly Traditional Man wetland sewage disposal technology little obtain and apply comparatively widely in process sanitary wastewater because investing, but artificial swamp is in sewage treatment process, after wetland runs for some time, wet land filler (soil) causes sewage to deposit processing in system easily blocking, exposed water surface mosquitos and flies grows, black and odorous water, affect a series of operation contingency question benefits such as wastewater treatment efficiency to highlight, make the treatment facility running cost after investment high, work-ing life is short, sewage disposal discharge does not reach desired design effect thus causes facility to be in the state of scrapping, cause the serious secondary pollution of environment to locality simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of protective plant root system, improve the alternation of wetting and drying effluent purification method of sewage treating efficiency, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of alternation of wetting and drying effluent purification method, sewage flows into the wet land filler layer of alternation of wetting and drying effluent treatment plant to flooding wet land filler, wet land filler is immersed in sewage and is in anoxic condition, during sewage is drawn out of wet land filler layer, in wet land filler space, full air is to be in containing oxygen condition, makes wet land filler and sewage be in alternation of wetting and drying recurrent state.
As the further scheme of the present invention: install in the wet land filler layer on upper strata and include but not limited to that siphon piping nature siphon or water pump extract sewage out with a section time, reach the wet land filler alternation of wetting and drying function on upper strata.
As the further scheme of the present invention: described alternation of wetting and drying effluent treatment plant, comprise interlayer board, wet land filler layer and container, wet land filler layer comprises hard packing layer and wadding sewage layer, the medium position of container installs interlayer board, container is divided into hard packing layer and wadding sewage layer, hard packing layer is also provided with wetland plant, interlayer board is also provided with siphon piping/water pump, the upper end of siphon piping/water pump is provided with packing layer water outlet, packing layer water outlet is arranged in hard packing layer, the lower end of siphon piping/water pump is arranged in wadding sewage layer, the below of interlayer board is also provided with water outlet, hard packing layer is positioned at the below of sewage inlet.
As the further scheme of the present invention: be used alone by alternation of wetting and drying effluent treatment plant, or two and more parallel or series connection are used for purifying domestic sewage, and are better than field irrigation water quality index.
Compared with prior art, the invention has the beneficial effects as follows: the present invention efficiently solves Traditional Man wetland in sewage purification process, and sewage floods wet land filler for a long time, causes wet land filler to be in anoxic condition for a long time, and Root of Wetland Plants is easily corrupt; Exposed water surface mosquitos and flies grows, black and odorous water, causes the susceptible to plugging difficult problem of wet land filler.Wet land filler dry wet samsara in sewage is made alternately, to hold oxygen and Root of Wetland Plants ingress of air between wet land filler space and be in oxygen enrichment state by the present invention.Wet land filler and root system of plant exchange in turn with aerobic → anaerobism → aerobic → anaerobism in sewage, and Root of Wetland Plants is not easily corrupt, and without the exposed water surface, black smelly phenomenon occurs, mosquitos and flies is difficult at sewage egg reproduction, thus improve the treatment effect of sewage.Device of the present invention uses with in parallel or series connection simultaneously, the continual and steady Be very effective of water quality after sanitary sewage disposal, by running for many years, the contamination indexs such as effluent quality N, P, COD, BOD, SS after process reach urban wastewater treatment firm pollutant emission standard one-level A continually and steadily and are marked with.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is series combination figure of the present invention;
In figure: 1-sewage inlet; 2-wetland plant; 3-hard packing layer; 4-interlayer board; 5-packing layer water outlet; 6-siphon piping/water pump; 7-water outlet; 8-wadding sewage layer; 9-container.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, alternation of wetting and drying effluent treatment plant, comprise interlayer board 4, wet land filler layer and container 9, wet land filler layer comprises hard packing layer 3 and wadding sewage layer 8, the medium position of container 9 installs interlayer board 4, container 9 is divided into hard packing layer 3 and wadding sewage layer 8, hard packing layer 3 is also provided with wetland plant 2, interlayer board 4 is also provided with siphon piping/water pump 6, the upper end of siphon piping/water pump 6 is provided with packing layer water outlet 5, packing layer water outlet 5 is arranged in hard packing layer 3, the lower end of siphon piping/water pump 6 is arranged in wadding sewage layer 8, the below of interlayer board 4 is also provided with water outlet 7, hard packing layer 3 is positioned at the below of sewage inlet 1.
After sewage enters hard packing layer 3 by sewage inlet 1, to flooding wet land filler, now the root system of wetland plant 2 is all immersed in sewage, the Root Absorption sewage Middle nutrition thing of wetland plant 2; Oxygen in hard packing layer 3 space by microbial consumption in sewage to anoxic condition; When sewage is full to hard packing layer 3, siphon piping/water pump 6 starts to produce siphon or water pump and starts working and draw water, and is inhaled by sewage or in suction wadding sewage layer 8; Full air is started until sewage slowly floods hard packing layer 3 in hard packing layer 3 space in this process.
The present invention effectively can break off relations sewage wet land filler blocking alluvial, mosquitos and flies in treating processes and grow, a difficult problem for effluent quality difference.The present invention make wet land filler in sewage dry wet automatically alternately, sewage can ingress of air in wet land filler to greatest extent, and make wet land filler space be in oxygen enrichment state, Root of Wetland Plants is not easily corrupt, and mosquitos and flies is difficult to egg reproduction on wet land filler.Sanitary sewage is used by the parallel connection of the technology of the present invention system or series connection simultaneously, the continual and steady Be very effective of water quality after sanitary sewage disposal, by running for many years, the contamination indexs such as effluent quality N, P, COD, BOD, SS after process reach urban wastewater treatment firm pollutant emission standard one-level A continually and steadily and are marked with, Root of Wetland Plants is not easily corrupt, to promote that wetland plant growing way strengthens sewage purification ability.Because the present invention is effective to sewage disposal water quality, process water outlet can reuse be place wash-down water, and lavatory flushing water, garden landscape greening water etc. recycle, and this technology has not only effectively administered sewage, has purified environment, also a saving water resources.This technology also can be used as the treatment facility proposing mark transformation of urban wastewater treatment firm, and it is little that this technology has investment, and treatment process is simple, easily implements, effective can spread.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. an alternation of wetting and drying effluent purification method, it is characterized in that, sewage flows into the wet land filler layer of alternation of wetting and drying effluent treatment plant until flood wet land filler, wet land filler is immersed in sewage and is in anoxic condition, during sewage is drawn out of wet land filler layer, in wet land filler space, full air is to be in containing oxygen condition, makes wet land filler and sewage be in alternation of wetting and drying recurrent state.
2. alternation of wetting and drying effluent purification method according to claim 1, it is characterized in that, install in the wet land filler layer on upper strata and include but not limited to that siphon piping nature siphon or water pump extract sewage out with a section time, reach the wet land filler alternation of wetting and drying function on upper strata.
3. alternation of wetting and drying effluent purification method according to claim 1, it is characterized in that, described alternation of wetting and drying effluent treatment plant, comprise interlayer board (4), wet land filler layer and container (9), wet land filler layer comprises hard packing layer (3) and wadding sewage layer (8), the medium position of container (9) installs interlayer board (4), container (9) is divided into hard packing layer (3) and wadding sewage layer (8), hard packing layer (3) is also provided with wetland plant (2), interlayer board (4) is also provided with siphon piping/water pump (6), the upper end of siphon piping/water pump (6) is provided with packing layer water outlet (5), packing layer water outlet (5) is arranged in hard packing layer (3), the lower end of siphon piping/water pump (6) is arranged in wadding sewage layer (8), the below of interlayer board (4) is also provided with water outlet (7), hard packing layer (3) is positioned at the below of sewage inlet (1).
4. alternation of wetting and drying effluent purification method according to claim 3, is characterized in that, is used alone by alternation of wetting and drying effluent treatment plant, or two and more parallel or series connection are used for purifying domestic sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097366.XA CN104671421A (en) | 2015-03-05 | 2015-03-05 | Wetting and drying alternation type sewage purification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097366.XA CN104671421A (en) | 2015-03-05 | 2015-03-05 | Wetting and drying alternation type sewage purification method |
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| CN104671421A true CN104671421A (en) | 2015-06-03 |
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| CN201510097366.XA Pending CN104671421A (en) | 2015-03-05 | 2015-03-05 | Wetting and drying alternation type sewage purification method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198155A (en) * | 2015-03-31 | 2015-12-30 | 吴永贵 | Anti-clogging sewage purification method and device |
| CN109292995A (en) * | 2018-11-23 | 2019-02-01 | 山东大学 | The efficient oxygenating artificial wet land system of three-phase |
| CN111943462A (en) * | 2019-12-20 | 2020-11-17 | 重庆大学 | Adjusting pretreatment tank with water quality purification function |
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| CN1760145A (en) * | 2005-08-08 | 2006-04-19 | 徐祖信 | Technique of undercurrent artificial wetland in sequence batch mode for treating sewage |
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| CN203451334U (en) * | 2013-08-22 | 2014-02-26 | 深圳市环境科学研究院 | Enhanced denitrification and dephosphorization pretreatment device of micro-polluted water treatment constructed wetland |
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| US8252182B1 (en) * | 2008-09-11 | 2012-08-28 | University Of Central Florida Research Foundation, Inc. | Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198155A (en) * | 2015-03-31 | 2015-12-30 | 吴永贵 | Anti-clogging sewage purification method and device |
| CN109292995A (en) * | 2018-11-23 | 2019-02-01 | 山东大学 | The efficient oxygenating artificial wet land system of three-phase |
| WO2020103270A1 (en) * | 2018-11-23 | 2020-05-28 | 山东大学 | Three-phase efficient oxygen supplement artificial wetland system |
| CN111943462A (en) * | 2019-12-20 | 2020-11-17 | 重庆大学 | Adjusting pretreatment tank with water quality purification function |
| CN111943462B (en) * | 2019-12-20 | 2022-06-21 | 重庆大学 | Adjusting pretreatment tank with water quality purification function |
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Application publication date: 20150603 |
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