CN101973637B - River channel purification system for processing rural domestic sewage - Google Patents
River channel purification system for processing rural domestic sewage Download PDFInfo
- Publication number
- CN101973637B CN101973637B CN2010105329248A CN201010532924A CN101973637B CN 101973637 B CN101973637 B CN 101973637B CN 2010105329248 A CN2010105329248 A CN 2010105329248A CN 201010532924 A CN201010532924 A CN 201010532924A CN 101973637 B CN101973637 B CN 101973637B
- Authority
- CN
- China
- Prior art keywords
- unit
- sewage
- water
- plant
- domestic sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 73
- 238000000746 purification Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 23
- 230000003647 oxidation Effects 0.000 claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000004062 sedimentation Methods 0.000 claims abstract description 13
- 239000002977 biomimetic material Substances 0.000 claims abstract description 3
- 241000196324 Embryophyta Species 0.000 claims description 56
- 230000003197 catalytic effect Effects 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 6
- 241000684239 Canna x generalis Species 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 241000233948 Typha Species 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 20
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000000945 filler Substances 0.000 description 7
- 230000000813 microbial effect Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 240000001398 Typha domingensis Species 0.000 description 6
- 241000361919 Metaphire sieboldi Species 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 235000017060 Arachis glabrata Nutrition 0.000 description 4
- 244000105624 Arachis hypogaea Species 0.000 description 4
- 235000010777 Arachis hypogaea Nutrition 0.000 description 4
- 235000018262 Arachis monticola Nutrition 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011664 nicotinic acid Substances 0.000 description 4
- 230000000050 nutritive effect Effects 0.000 description 4
- 235000020232 peanut Nutrition 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000011026 diafiltration Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 244000143231 Scirpus validus Species 0.000 description 2
- 235000008573 Scirpus validus Nutrition 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical class [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 235000005911 diet Nutrition 0.000 description 2
- 230000000378 dietary effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005869 estivation Effects 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 230000006266 hibernation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000005325 percolation Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241000746375 Andrographis Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241000245301 Nymphoides Species 0.000 description 1
- 235000000476 Nymphoides peltata Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 101100074333 Pisum sativum LECA gene Proteins 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 244000134857 Typha capensis Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 241000746966 Zizania Species 0.000 description 1
- 235000002636 Zizania aquatica Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003967 crop rotation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a river channel purification system for processing rural domestic sewage, belonging to the field of rural sewage processing. The system is characterized in that a processing unit is established by utilizing a waste river channel or a swale near-natural type channel; a plant grid sedimentation unit, an artificial biomimetic material contact oxidation unit, a vertical current artificial wetland unit and a floating plant unit are successively arranged from top to bottom according to the direction of water flow; and the rural domestic sewage is processed successively through the four processing units so as to finally achieve the purpose of improving water quality. The system has the advantages that the removing rates of CODcr, SS, NH3-N, TN and TP of the domestic sewage entering the system respectively reach 77.1%, 84.1%, 70%, 68% and 58.8% through the application of the invention; the effect of reducing the pollution load and improving the water quality is realized; and the system provides the guarantee to the improvement of the water environment quality in a downstream river.
Description
Technical field
The present invention relates to a kind of rural area water pollution control system.Specifically, the present invention is a kind of river course purification system of handling domestic sewage in rural areas by using.
Background technology
According to measuring and calculating; Rural area, the whole nation is annual to produce about more than 80 hundred million tons of sewage, and 96% village does not have discharge conduit and Sewage treatment systems, and sewage arbitrarily discharges; Severe contamination the ecotope in rural area, the Economic development in the direct threats vast farmers masses' healthy and rural area.
Domestic sewage in rural areas by using is mainly toilet-flushing sewage and laundry, washes rice, washes dish, waste water of bath.Mainly be life waste material and people's movement in the sewage, generally do not contain Toxic matter, often contain nutritive substances such as nitrogen, phosphorus, also have a large amount of bacteriums, virus and parasitic ovum.Because of the water quality and quantity of different domestic sewage in rural areas by using such as life style, mode of life, economic level differs greatly; Sewage has following characteristics and problem: (1) sewage distributes and disperses; Coverage is wide, randomness is strong, and control is difficulty very, and the pipe network gathering system is unsound; Extensive discharging does not have sewage treatment facility basically; (2) amount standard in rural water is lower, the little and variation factor big (3.5～5.0) of the discharge of sewage; (3) sewage complicated component, but the concentration of all contaminations is lower, and Biodegradability of Wastewater is stronger.
Because the life in the countryside source of pollution disperse, be difficult for concentrating, villages and small towns resident's environmental consciousness is poor; Add that economic level is backward relatively; Also there is big difficulty in the improvement, therefore, needs that development investment is economized, working cost is low, treatment effect is guaranteed, management maintenance Sewage treatment systems easily.At present more external countries are in domestic sewage in rural areas by using Processing Technology and application facet; Many experiences have been accumulated; China should use for reference external experience, combines with the agricultural of locality, explores and improve the treatment process of various domestic sewage in rural areas by using; Form reusing sewage and the ecological agricultural model that utilizes again, realize the innoxious and resource utilization of sewage.
(1) Australian " FILTER " Sewage treatment systems is a kind of " reuse system that filter, the soil processing combines with pipe drainage "; Its purpose mainly is to utilize sewage to carry out crop irrigation; Through irrigate land handle after, with underground hidden pipe it is compiled again and discharges.This system can satisfy the requirement of farm crop to moisture and nutrient on the one hand, reduces the content of elements such as nitrogen in the sewage, phosphorus simultaneously, makes it to reach sewage drainage standard.Be characterized in that filtered sewage all is pooled in the underground pipe drainage system, and be provided with water pump, the output that can control the above ground water table of closed drain and handle back sewage." FILTER " system is good to the treatment effect of sewage, and its working cost is low, is specially adapted to the area that land resources is abundant, can crop rotation lie fallow, or is main area with the planting forage grass.Shortcoming is that the pathogenic agent in the sewage possibly get into soil after the life-time service sewage irrigation, pollutes farm crop; Receive the restriction of crop growing season, non-season of growth crop do not irrigate, Sewage treatment systems just can not be worked; The general cost of pipe drainage system is higher, if be used to handle the pumping plant that sewage also need be built the control water displacement, then cost is higher, has applied certain difficulty.
(2) a series of sewage disposal devices that are suitable for using in the rural urbanization have been studied by Japanese rural WWT association.Designed 15 kinds of different model waste disposal plants of JARUS pattern, the treating processes that mainly adopts physics, chemistry to combine with biological control measure has obtained very good effect.The treatment unit of these 15 kinds of different models can be divided into two big types.One type is adopted biomembrance process, and the filtering layer that sewage is processed through plastics is above with mikrobe.Through the BOD in the sewage is dropped to below the 20mg/L, suspended solids drops to below the 50mg/L, and total nitrogen content is below 20mg/L.Another kind of is to adopt the planktonic organism method, through swimming in the microbiological oxidation in the sewage, can make BOD drop to 10-20mg/ L; SS drops to 15-50mg/ L; COD drops to below the 15mg/L, and TN drops to below the 10-15mg/L, and TP drops to below the 1-3mg/L.Historical existing decades abroad to biomembranous theoretical investigation and practical application.The biomembrance process devices needed is simple, and energy consumption is low, and cost and maintenance cost are low, and the efficient of disposing of sewage is high, and it is a direction of Future Development.
(3) artificial wet land treating system generally is made up of artificial substratum (being mostly rubble) and growth marsh plants (reed, cattail, Rush and hemp etc.) above that; It is " soil-plant-mikrobe " ecosystem of a kind of uniqueness; Utilize the acting in conjunction of each kind of plant, animal, mikrobe and soil; Filter step by step and absorb pollutants in sewage, reach the purpose of purifying waste water.This technology has obtained widespread use in countries such as Europe, North America, Australia and New Zealands, and its shortcoming is to need a large amount of soils, and the problems such as influence that will solve the abundant oxygen supply problem in soil and the water and be bullied gentle vegetation season.
(4) earthworm and ecological filter is to have the functions such as decomposition and inversion that improve soil aeration water permeability and promotion organic substance according to earthworm to design; Be a kind of both can be efficiently, less energy-consumption ground removes the pollution substance in the town sewage, reduced significantly again that excess sludge is handled and the sewage treatment process of the novel concept of disposal costs.The ecological filter treatment system integrates preliminary sedimentation tank, aeration tank, second pond, mud backflow facility and oxygen supply facility etc., has simplified the WWT flow process significantly; Operational management is simple and convenient, and can bear stronger impact load; Treatment system does not efflux excess sludge basically, and its sludge yield is lower than conventional activated sludge process significantly; Through the motion mediation of earthworm and the replicating microorganism of eating, solve the blockage problem that the traditional biological filter tank is run into.
(5) kapillary soil filtration treatment system is specially adapted to the incomplete area of sewage network, is a practical technique of handling the sewage that disperses discharging.The sewage that is transported to the diafiltration field is assigned to every diafiltration ditch through water distributor earlier; Sewage in the diafiltration ditch is through the distribution again of gravel bed; Under the effect of soil capillary, rise to the roots of plants district, biochemical action of the physics through soil, chemistry, mikrobe and the absorption of plant and utilization obtain handling and purifying.This system is stable, and reliable, capacity of resisting impact load is strong, to BOD
5, nitrogen, tp removal rate is big; Easy maintenance, initial cost is few, and working cost is low; Total system can not give an offensive smell underground, and ground surface lawn also can be beautified the environment; The intestinal bacteria clearance is high; Processes such as the storage of sewage, conveying are all carried out underground, and thermosteresis is less, still can keep certain temperature in the winter time, keeps basic biochemical reaction, guarantees more stable removal effect.But its removal effect to total nitrogen is not remarkable; Floor space is big; Might polluted underground water.But because the life habit temperature influence of earthworm is obvious, be below or above certain temperature meeting hibernation or aestivation, so treatment effect is not very desirable when earthworm hibernation or aestivation, the filler in filter tank is prone to stop up.
Biological and Ecological Disposal technology is both at home and abroad to the normal main method that adopts of samll cities and towns' WWT.Utilize biologic treating techniques such as active sludge, microbial film to exist to build and working cost is high, denitrification process is complicated, treatment effect is difficult to reach problems such as national surface water emission standard; Ecological Disposal such as artificial swamp, oxidation pond, soil filtration technology good denitrification dephosphorization effect, but exist floor space big, stench occurs, be prone to shortcomings such as obstruction.Therefore, for realizing mutual supplement with each other's advantages biological and the Ecological Disposal technology, development and use are strengthened pre-treatment-artificial swamp combination technique and are necessary.
Anaerobic reactor-artificial swamp combination process has appearred at present; Biological process-artificial swamp combination process; Bio-oxidation pond-artificial swamp combination process, sand coarse aggregate ratio settling tank-technologies such as artificial swamp combination, these process combination mainly are in order to strengthen pre-treatment, and have combined the high efficiency of artificial swamp Ecological Disposal; Solve to take up an area of to a certain extent, stench, blocking problem occur.China Rural areas does not almost have the pipe network gathering system, and the population center relatively disperses, and economic level is lower, and the rural area cultivated land resource is nervous, yet the network of waterways is densely covered, especially has more depleted stream, swag etc. before the village behind the house.Therefore, the selection depleted river course of suiting measures to local conditions, swag is admitted and handle sewage, and the equipment of developing is simple, be easy to manage, invest the low new village sanitary sewage disposal technology of working cost has realistic meaning.Research thinking of the present invention is to strengthen pre-treatment; Adopt the littler catalytic oxidation of energy consumption biological, and increase intensified ecological clean unit improve water quality, admission processing country sewage in the depleted river course; Development equipment is simple, be easy to management, the sewage disposal technology that working cost is low.
Summary of the invention
1. invent the technical problem that will solve: the purpose of this invention is to provide a kind of river course purification system of handling domestic sewage in rural areas by using.Utilize the depleted river course to adopt plant grid interception domestic sewage in rural areas by using; Sewage is through processing unit strengthened purifications such as artificial bionic material contact-oxidation pool, vertical current constructed wetland and floating plants; Can solve the pollution problem of domestic sewage in rural areas by using, effectively remove pollution substances such as organism in the sewage, nitrogen and phosphorus.
2. technical scheme
Principle of the present invention is following: according to the characteristic in original river course; Through suitable transformation; Plantation aquatic macrophyte (reed, cattail, wicker etc.) builds up the plant grid; Promptly the bigger swimmer of the volume in sewage or the rainwash, silt etc. are tackled, the part suspended matter is settled down.Get into contact-oxidation pool through the sewage after the sedimentation; This unit uses high-performance contact percolation material----biological rope; Sewage contacts with biological rope and makes microorganic adhesion on biological rope, form microbial film, makes the oxidized decomposition of organism in the waste water and reaches purification of water quality in the mikrobe of biological rope surface attachment.Near the center of biological rope, because dissolved oxygen reduces, this quasi-microorganism can consume the nitrate nitrogen class in the water, thereby reaches the effect of denitrogenation.Sewage gets into the vertical current constructed wetland unit more then; Discharge because of the transmission of root system of plant in the wet land system oxygen; Make and occur aerobic, anoxic, anaerobic state in the environment around it successively; Guaranteed that the nitrogen phosphorus in the waste water can not only be through plant and mikrobe as dietetic alimentation, but also can be removed that last wet land system is changed filler or gathered in serike pollutent is finally removed through nitrated, denitrification.At last, utilize floating plant to come further to improve water quality, can reduce the nutritive salt in the water, improve the eco-environmental quality in river, reach the effect of strengthened purification.
The present invention realizes through following technical scheme:
A kind of river course purification system of handling domestic sewage in rural areas by using; River flow velocity slowly (< 1m/>s) in the river course; Utilize the nearly natural type of abandoned channel or bottom land river course to make up processing unit; Set gradually plant grid sedimentation unit from top to bottom by water (flow) direction, catalytic oxidation unit, vertical current constructed wetland unit and floating plant unit.
(1) plant grid sedimentation unit
Plant grid sedimentation unit mainly utilizes physics sedimentation, adsorption, and biological absorption and microbiological deterioration.Plant aquatic macrophyte (reed in the river course after finishing; Cattail, wicker etc.), build up the plant grid; Promptly the bigger swimmer of the volume in sewage or the rainwash, silt etc. are tackled; The part suspended matter is settled down, can remove the nitrogen phosphorus in the rainwash again, and other organic pollutants.
(2) artificial bionic material catalytic oxidation unit
This unit uses high-performance contact percolation material----biological rope; Biological rope is a kind of novel catalytic oxidation material; The main chemical fibre material that uses has: the hydrophilic man-made fiber of tool-----polypropylene fibre; Even adhere to vinylon and nylon that a large amount of mikrobes also can keep rock steady structure, and the best materials such as polyvinylidene dichloride of recovery of elasticity effect.Biological rope can be stablized maintenance rate of propagation mikrobe slowly, and like nitrifier and denitrifying bacteria, it is to continue but not concentrate to come off that the mikrobe that adheres to simultaneously peels off, and the phenomenon of effluent quality can not occur influencing because of biofilm detachment.Utilization can also reduce the generating capacity of excess sludge attached to the efficient food chain on the biological rope.The advantage of bio-contact oxidation: operational management is easy, and the slow mikrobe of rate of propagation can remain on the high density state, reduces the generation of excess sludge, and eliminate activity mud expands foamed phenomenon.
Biological rope is cord-like, and biological rope is fixed on the framework (bamboo or steel pipe) at two ends up and down, sets up standard to be 10cm at interval in length and breadth, and therefore, the installation of 1 cubic metre framework biological rope is 100m, after biological rope fixes, places in the river course.Sewage contacts with biological rope and makes microorganic adhesion on biological rope, form microbial film, makes the oxidized decomposition of organism in the waste water and reaches purification of water quality in the mikrobe of biological rope surface attachment.Near the center of biological rope, because dissolved oxygen reduces, this quasi-microorganism can consume the nitrate nitrogen class in the water, thereby reaches the effect of denitrogenation.
(3) vertical current constructed wetland unit
Artificial swamp combines physics, chemistry and three kinds of biological effects to the processing of waste water.Vertical flow pattern artificial swamp mainly is made up of 3 parts: matrix, plant and water distribution system.Artificial wet land system available matrix mainly contains the mixture of the one or more combination in soil, rubble, gravel, coal cinder, fine sand, coarse sand, cinder, porous medium (LECA), wollastonite and the trade waste at present.Matrix provides medium for plant and microorganism growth on the one hand, directly removes pollutent through effects such as deposition, filtration and absorption on the other hand.The plant of using in the vertical flow pattern artificial swamp mainly contains cattail, wild rice stem, reed, Herba Andrographis, Rush, Scirpus tabernaemontani, Canna generalis Bailey etc.; These plants can increase the chance water-based of wetland matrix; Can also form various subenvironments with the protozoon of surrounding environment, mikrobe etc.; Oxygen is transferred to the root district, form special rhizosphere environment.This micro-ecological environment has the very strong ability of purifying liquid waste.
After the wet land system maturation, filling surface and root system of plant will form microbial film owing to a large amount of microbial growths.Effluent stream is when microbial film, and a large amount of SS is stopped by filler and root system of plant and hold back that organic pollutant then is removed through biomembranous absorption, assimilation and dissimilation.Discharge because of the transmission of root system of plant in the wet land system oxygen; Make and occur aerobic, anoxic, anaerobic state in the environment around it successively; Guaranteed that the nitrogen phosphorus in the waste water can not only be through plant and mikrobe as dietetic alimentation; But also can be removed through nitrated, denitrification, last wet land system changes filler or the harvesting serike is finally removed pollutent.
(4) floating plant clean unit
Floating plant is the plant of blade water surface floating life on the plant materials water in suspension or only; Utilize it to purify water; Not only can further absorb the nutritive salt in the water, water transparency is increased substantially, water-quality guideline also is improved simultaneously; Particularly algae there is the good restraining effect, reaches the effect of strengthened purification.
3. beneficial effect
Invention provides a kind of river course purification system of handling domestic sewage in rural areas by using, and test-results shows that this invention is to COD
Cr, SS, NH
4-N, TN, TP clearance can reach 77.1%, 84.1%, 70%, 68%, 58.8% respectively, through above each technological integrated use, COD
Cr, TSS, NH
4-N, TN, TP content can reach the primary standard of the pollutant emission standard of urban wastewater treatment firm, can effectively improve sewage quality, for the downstream water body reduces pollution load pressure.
Description of drawings
Fig. 1 is a process flow sheet of the present invention;
Fig. 2 arranges diagrammatic cross-section for the river course, wherein 1. water inlets, 2. plant grid, 3. catalytic oxidation biological ropes, 4. water inlet pipes, 5. barricades, 6. filling substrates, 7. pipe, 8. wetland plants, 9. headers, 10. floating plants, 11. water outlets, the 12. river waters surface, 13. river bed;
Fig. 3 is a fixedly synoptic diagram of catalytic oxidation unit biological rope.3. catalytic oxidation biological ropes, 14. fixed supports wherein
Fig. 4 is an artificial swamp downstream tank sectional view, wherein 1. water inlet 5. waterwalls, 8. wetland plants (cattail, Canna generalis Bailey etc.) 11. water outlets, 15. mellow soil, 16. rubbles, 17. slags, 18. pebbless;
Fig. 5 is the up pond of an artificial swamp sectional view, wherein 1. water inlet 5. waterwalls, 8. wetland plants (cattail, Canna generalis Bailey etc.) 11. water outlets, 15. mellow soil, 16. rubbles, 17. slags, 18. pebbless.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing
With the river course, northern Suzhou is that example has been carried out experimental study, and this river course flow velocity is about 0.1 m/s ~ 0.3m/s, the main organism of the pollutent of admittance, nitrogen, phosphorus and suspended substance etc., typical domestic pollution type river course.In this river course, make up domestic sewage purification system; Adopt plant grid sedimentations (plant grid sedimentation unit), artificial bionic material contact-oxidation pool (catalytic oxidation unit), vertical current constructed wetland (vertical current constructed wetland unit) and four processing units of floating plant (floating plant clean unit) to be composed in series (see figure 1); Core technology---artificial bionic material catalytic oxidation technology and vertical current constructed wetland technology; Utilize biomimetic material absorption degradation mikrobe, degradation of organic substances, vertical current constructed wetland is removed pollutents such as nitrogen phosphorus; Need not aerating apparatus, can reduce the biological sewage treatment energy consumption significantly.
The river course of implementing engineering is about 1000m, goes up wide 8m, effective wide 2m of the water surface, depth of water 0.8m.Engineering sets gradually plant grid sedimentation unit 100m from about 500m place, disposal of pollutants source beginning of living, catalytic oxidation pool unit 10m, and vertical current constructed wetland unit 40m, floating plant clean unit 50m amounts to 200m, and effectively floor space is about 400m
2, structures floor space 100m
2Total system is handled the water yield and is about 285-450m
3/ d, hydraulic detention time are 17h-28h.Engineering is arranged and structure such as Fig. 2, Fig. 3, and Fig. 4, shown in Figure 5, particular content is following:
(1) the wide 2m of system element, long 200m, plant grid unit front end water inlet 1, floating plant clean unit water outlet 11.
(2) plant grid sedimentation unit: finishing river course, the effective water surface 12 wide about 2m, depth of water 0.8m; With the density of every interval 10-15cm in the river bed 13 kinds plant the emergent reed; As plant grid 2, be about 100m, mainly play PM for particulate matter and the effect of silt in the current of interception, deposition.
(3) catalytic oxidation unit: with the up-stream face height is sea line, digs dark 0.5m downwards, and finishing sclerosis is built up long 10m, gone up wide 2m, wide 1.5m down, the trapezoidal channel of dark 1.5m.Select for use catalytic oxidation biological rope 3 to place in the trapezoidal channel, biological rope is PP+K-45, material: Vestolen PP 7052+vinylon, specific surface area 1.6m
2/ m, proportion 1.24.Biological rope is cord-like, and biological rope is fixed on the framework 14 at two ends up and down, sets up standard to be 10cm at interval in length and breadth, and therefore, the installation of 1 cubic metre framework biological rope is 100m.The catalytic oxidation unit uses the about 2000m of biological rope, counts 20 cubic metres.Sewage contacts with biological rope and makes microorganic adhesion on biological rope, form microbial film, makes the oxidized decomposition of organism in the waste water and reaches purification of water quality in the mikrobe of biological rope surface attachment.
(4) vertical current constructed wetland unit: vertical current constructed wetland is in series by downstream pond and up stream pond; The volume in each pond is 2m * 1.5m * 0.8m, has waterwall 5 to be separated by between two ponds, and filling substrate 6 in the pond; Be connected by pipe 7 at the bottom of the two pond midfeathers; Water distribution adopts water inlet pipe 4 multiple spots evenly to intake, header 9 water outlets, native system 10 the monomer ponds of connecting altogether.The downstream tank bottom is a layer of displacement, and filler is that 100mm is thick, the pebbles of particle diameter 40-80mm 18; The middle part adopts the thick slag of 300mm 17 to fill, and slag is a blast-furnace slag, particle diameter 30-50mm; This packing quality of evidence is light; The particle quality is hard, and particle diameter is gradable, and it is neutral that its pH value of aqueous solution is; Pollutent is had adsorption preferably, especially phosphorus is had very fast and adsorption efficiency preferably; The rubble 16 of 100mm is adopted in the middle and upper part, mainly is ls, and particle diameter is 10-30mm, and this part can prevent the water burst of wetland, and it is stable to keep wetland; Top covers the mellow soil 15 of 100mm, plantation wetland plant 8 cattails, Scirpus tabernaemontani, Canna generalis Bailey etc.Up stream pond filler is consistent with downstream pond filler, and Inlet and outlet water is in the opposite direction.
(5) floating plant clean unit: the about 100m of floating plant 11 cellar areas
2Through the selection Herba Eichhorniae, water peanut, floating heart, water caltrop four kind of plant are carried out indoor lab scale test, and the local sociales water peanut of evidence is best to the treatment effect of nitrogen phosphorus, therefore selects to plant water peanut.In the vertical current constructed wetland downstream, plantation length 50m, width covers the water peanut vegetation zone of whole river surface, absorbs the nutritive substance in the water body, improves water transparency, reaches the effect of strengthened purification.
Through the enforcement of experimental project, COD in system's water outlet
Cr, SS, NH
4Pollutant levels such as-N, TN, TP significantly descend, and water quality is obviously improved, to COD
Cr, SS, NH
4-N, TN, TP clearance can reach 77.1%, 84.1%, 70%, 68%, 58.8% respectively.
System's Inlet and outlet water water monitoring data (mg/L) behind table 1 engineering construction
| Sample number into spectrum | PH | COD cr | SS | NH 3-N | TN | TP |
| Water inlet | 8.13 | 123 | 69 | 23.4 | 27.3 | 2.85 |
| Water outlet | 7.77 | 28.2 | 11 | 7.02 | 8.7 | 1.18 |
Claims (4)
1. river course purification system of handling domestic sewage in rural areas by using; River flow velocity < 1m/>s in the river course; It is characterized in that utilizing the nearly natural type of abandoned channel or bottom land river course to make up processing unit; Set gradually plant grid sedimentation unit from top to bottom by water (flow) direction, catalytic oxidation unit, vertical current constructed wetland unit and floating plant clean unit.
2. a kind of river course purification system of handling domestic sewage in rural areas by using according to claim 1 is characterized in that utilizing in the plant grid sedimentation unit plantation aquatic macrophyte reed, cattail or wicker to build up the plant grid.
3. a kind of river course purification system of handling domestic sewage in rural areas by using according to claim 2 is characterized in that being fixed with in the catalytic oxidation unit biomimetic material biological rope.
4. a kind of river course purification system of handling domestic sewage in rural areas by using according to claim 3; It is characterized in that the unitary matrix of vertical current constructed wetland is pebbles, slag, rubble, mellow soil from bottom to top; Wetland plant is reed, cattail or Canna generalis Bailey, and water distribution manner is the multiple spot water distribution uniformity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105329248A CN101973637B (en) | 2010-11-04 | 2010-11-04 | River channel purification system for processing rural domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105329248A CN101973637B (en) | 2010-11-04 | 2010-11-04 | River channel purification system for processing rural domestic sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973637A CN101973637A (en) | 2011-02-16 |
| CN101973637B true CN101973637B (en) | 2012-06-27 |
Family
ID=43573554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105329248A Expired - Fee Related CN101973637B (en) | 2010-11-04 | 2010-11-04 | River channel purification system for processing rural domestic sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973637B (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502967B (en) * | 2011-11-09 | 2013-07-17 | 河南科技大学 | Angiopteris lygodiifolia drinking water ecological restoration and filter system |
| CN102863127B (en) * | 2012-10-17 | 2014-06-25 | 常州大学 | Ecological recovery method of agricultural Non-Point source pollution rivers |
| CN103159383A (en) * | 2013-04-15 | 2013-06-19 | 云南省科学技术情报研究院 | Rural domestic sewage biological treatment system |
| CN103332787B (en) * | 2013-06-25 | 2014-08-20 | 李泽 | Method and device for treating river surge water |
| CN103942406B (en) * | 2014-02-12 | 2017-03-15 | 南京大学 | A kind of basin transboundary Regional Water Environment risk source risk characterization method |
| CN104058558B (en) * | 2014-07-10 | 2016-04-06 | 南京农业大学 | A kind of circulation utilization method of wastewater from pig farm |
| CN104150719A (en) * | 2014-08-28 | 2014-11-19 | 上海佛欣流域环境治理有限公司 | Country comprehensive sewage treatment system and country comprehensive sewage treatment method |
| CN105621817A (en) * | 2016-03-17 | 2016-06-01 | 朱姗姗 | Domestic sewage purification device |
| CN106006952A (en) * | 2016-08-05 | 2016-10-12 | 江苏奥尼斯环保科技有限公司 | Integrated MABR apparatus used for black and odorous water treatment, and treatment method thereof |
| CN106145317A (en) * | 2016-08-24 | 2016-11-23 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of Multifunction oxidation pond for rural domestic sewage treatment |
| CN106316007A (en) * | 2016-11-14 | 2017-01-11 | 玉溪师范学院 | Sewage treatment system of complex ecological bed with artificially intensified nitrogen and phosphorus removal |
| CN106554087A (en) * | 2017-01-05 | 2017-04-05 | 江苏龙腾工程设计股份有限公司 | River water body biological and ecological cleaning treatment system and its processing method |
| CN106904746A (en) * | 2017-04-14 | 2017-06-30 | 江苏省农业科学院 | A kind of water plant for water body purification inlays combined system |
| FR3065720B1 (en) * | 2017-04-28 | 2020-10-30 | Suez Groupe | ARTIFICIAL WET ZONE DIMENSIONED FOR POLLUTANT ELIMINATION |
| CN107555713A (en) * | 2017-09-12 | 2018-01-09 | 中冶华天工程技术有限公司 | Cleaning system and method for Drain contamination for river channel risk point |
| CN107721087A (en) * | 2017-11-22 | 2018-02-23 | 广东中环生态科技有限公司 | Black and odorous water multi-stage filtration systems and multistage purification technique |
| CN107892448A (en) * | 2017-12-20 | 2018-04-10 | 广州太和水生态科技有限公司 | River course comprehensive treatment system |
| CN107892446A (en) * | 2017-12-20 | 2018-04-10 | 中国海洋大学 | Continuum micromeehanics regulating level vertical subsurface flow wetland device |
| CN108358397A (en) * | 2018-03-26 | 2018-08-03 | 新乡市环境保护科学设计研究院 | A kind of Multi-functional effluent treatment unit for improving the ecological environment |
| CN108483816B (en) * | 2018-04-28 | 2020-11-27 | 苏州国通建设工程有限公司 | Ecological restoration method for aquatic plants in riverway |
| CN110127940B (en) * | 2019-05-16 | 2021-11-02 | 湖北威尔达海绵城市建设有限公司 | Water environment ecological restoration system |
| CN110482703A (en) * | 2019-08-15 | 2019-11-22 | 上海应用技术大学 | A kind of sewage disposal system using COD in plant deeply treating wastewater |
| CN112811748A (en) * | 2021-03-12 | 2021-05-18 | 安徽省通源环境节能股份有限公司 | Sewage treatment system based on pool transformation |
| CN115286142B (en) * | 2022-08-12 | 2023-06-27 | 滁州职业技术学院 | Building sewage treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100741019B1 (en) * | 2006-06-28 | 2007-07-27 | 주식회사 에스디알앤디 | Water treatment device and method by using a combination of wetland and contact oxidation filtration facilities |
| CN101671096A (en) * | 2009-10-12 | 2010-03-17 | 东莞市华清净水技术有限公司 | Method for processing sewage by multilevel vertical-current compound manual wetting ground and processing system thereof |
| CN101723520B (en) * | 2009-12-18 | 2012-07-04 | 南京大学 | Method for cutting low-pollution water load of venous riverway |
-
2010
- 2010-11-04 CN CN2010105329248A patent/CN101973637B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973637A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101973637B (en) | River channel purification system for processing rural domestic sewage | |
| CN101921042B (en) | Alternate combined wetland system and method for efficiently removing nitrogen and phosphorus in urban wastewater | |
| CN100378272C (en) | Stereo in-situ ecological urban water system repairing process | |
| CN110550829B (en) | Tower ecological purification integrated device of little town domestic sewage | |
| CN100436350C (en) | Agricultural ecological canal-artificial wet land water quality improvement and ecological system reconstruction method | |
| CN101607778B (en) | Water body purifying method of A<2>/O artificial floating island | |
| CN202898113U (en) | Heat preservation type constructed wetland treatment system for rural domestic sewage | |
| CN100595169C (en) | Ecological system for water purification and recover | |
| CN110294531A (en) | A kind of water treatment system and method based on ecological core wetland | |
| CN101525204B (en) | Method for treating village sewage and specific device thereof | |
| CN103613240B (en) | The device and method of multi-stage ecological sewage purification treatment | |
| CN103183445A (en) | Method and system for advanced treatment of rural domestic sewage | |
| CN109607975B (en) | Constructed wetland structure for repairing super-eutrophic water body and endogenous pollution | |
| CN109205807A (en) | A kind of the water quality method for improving and system of river black and odorous water | |
| CN104773914A (en) | Collecting and treating device for rural disordered-emission sewage | |
| CN101391855A (en) | Method for treating rural disperse sewage by using high load vermibiofilter | |
| CN105601043B (en) | A kind of domestic sewage of villages and small towns ecology microkinetic processing system | |
| Mancuso et al. | Performance of lagoon and constructed wetland systems for tertiary wastewater treatment and potential of reclaimed water in agricultural irrigation | |
| CN207933136U (en) | A kind of microorganism remediation water body system | |
| CN207047066U (en) | A kind of domestic sewage of villages and small towns rural area landscape type total system | |
| CN206447733U (en) | A kind of oil-containing sewage treatment system | |
| CN210313913U (en) | Typical black and odorous river course ecological remediation's intensive pretreatment system | |
| CN101891348B (en) | Sewage treatment system for water shortage cities and storage and advanced treatment method of sewage and rainwater | |
| CN102398991B (en) | Undercurrent type garden filter tank sewage treatment system | |
| CN109912038A (en) | Sewage natural processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20141104 |
|
| EXPY | Termination of patent right or utility model |