CN110182953A - A kind of high load capacity underground infiltration sewage treatment system and method - Google Patents
A kind of high load capacity underground infiltration sewage treatment system and method Download PDFInfo
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- CN110182953A CN110182953A CN201910625993.4A CN201910625993A CN110182953A CN 110182953 A CN110182953 A CN 110182953A CN 201910625993 A CN201910625993 A CN 201910625993A CN 110182953 A CN110182953 A CN 110182953A
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- 239000010865 sewage Substances 0.000 title claims abstract description 71
- 230000008595 infiltration Effects 0.000 title claims abstract description 18
- 238000001764 infiltration Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 239000000706 filtrate Substances 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000010410 layer Substances 0.000 claims description 36
- 241000894006 Bacteria Species 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 12
- 239000011368 organic material Substances 0.000 claims description 8
- 229920001661 Chitosan Polymers 0.000 claims description 7
- 241001453382 Nitrosomonadales Species 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 5
- 230000033558 biomineral tissue development Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000010903 husk Substances 0.000 claims description 2
- 230000007774 longterm Effects 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000011081 inoculation Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000006396 nitration reaction Methods 0.000 abstract description 2
- 230000001376 precipitating effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010841 municipal wastewater Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of high load capacity underground infiltration sewage treatment system and methods, belong to technical field of sewage, which includes top aerobic section and lower part anoxic section, and most of sewage first passes through aerobic section processing, and ammonia nitrogen therein is oxidized to form NO3 ‑And NO2 ‑Other pollutants are intercepted by filtrate simultaneously, are adsorbed, precipitating and biological oxidation remove, and then infilter down into anoxic section, raw sewage is added in right amount in anoxic section, organic carbon is provided for denitrification denitrogenation, while removing the ammonia nitrogen for bringing anoxic section into raw sewage by Anammox.The present invention provides organic carbon source using raw sewage for anti-nitration reaction, solve the problems, such as that common process makes denitrification denitrogenation react suppressed due to a lack of organic carbon source, the denitrification effect of filtration system can be not only improved in the case where hardly increasing operation cost, and the plane load of filtration system can be increased, reduce occupied area and reducingd the construction costs.
Description
Technical field
The invention belongs to the technical field of sewage in environmental project, and in particular to a kind of high load capacity underground diafiltration sewage
Processing system and method, refer in particular to it is a kind of using aerobic section and anoxic section coupled modes to such as sanitary sewage and municipal wastewater
Processing.
Background technique
Water is the sustainable development of Source of life, water environment treatment and fwaater resources protection concerning social economy, China by
To great attention, the emphasis of sewage treatment upgrades to water eutrophication prevention and treatment via COD and ammonia nitrogen prediction emission, to dirt
The nitrogen discharged control of water treatment system is increasingly stringenter.
In sanitary sewage and municipal wastewater, nitrogen mainly exists in the form of ammonia nitrogen, and common sewage treatment process is all logical
Aerobic treatment is crossed, the mineralization of organic material in sewage is become into CO2And H2O, by ammonium oxidation at NO3 -And NO2 -, then lead to again
It crosses denitrification and it is converted to N2.However, fertility is strong since mineralization of organic material bacterium is mainly heterotroph, and ammonia oxygen
Change bacterium is autotrophic bacterium, and fertility is weak, and therefore, while aerobic ammonia oxidation, which reacts, to carry out, the organic matter in sewage quickly divides
Mineralising is solved, subsequent denitrification denitrogenation is caused to be difficult to carry out because of organic carbon source scarcity.For this purpose, there has been proposed by part of contaminated water
The idea of reflux, and form widely used A2/ O technique.This kind of technique not only increases investment and O&M expense, but also in reality
Denitrogenation ratio under the working condition of border is difficult to more than 50%, is caused to need to add organic carbon source in many cases and is further promoted
Denitrification denitrogenation.
Underground is percolated sewage disposal technology technique because its excellent environment and economic benefit are used widely, but due to a lack of
Organic carbon source causes the problem of denitrification effect difference to equally exist.It is general to use in order to improve the total nitrogen removal effect in sewage
Artificial swamp is further processed the water outlet of filtration system, provides organic carbon using root system of plant metabolin for denitrification
Source, but this mode needs a large amount of occupied area, and high construction cost, addressing difficulty are big.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of high load capacity subsurface wastewater infiltration system with advanced nitrogen function and
Method, the advanced nitrogen of filtration system is realized in the case where hardly increasing operation cost, and can increase filtration system
Plane load, reduce and occupied area and reducing the construction costs.
To realize the technical purpose, system schema of the invention is: a kind of high load capacity underground infiltration sewage treatment system, should
System includes the aerobic section to intercouple and anoxic section, in which: the mineralization of organic material in sewage is become CO by aerobic section2And H2O,
By ammonium oxidation at NO3 -And NO2 -；Anoxic section passes through denitrification for NO3 -And NO2 -It is converted to N2；The top of anoxic section is arranged
Organic carbon source adds layer, which adds layer and be embedded with for adding organic carbon source, short-cut denitrification bacterium and anaerobism ammonia oxygen
That changes bacterium adds pipe；The bottom of anoxic section is collection water layer, wherein embedded collector pipe；The organic carbon source adds layer and catchments with described
Anoxic chitosan fluid dressing is equipped between layer；The collector pipe connects drainpipe；The draining open height of the drainpipe and add pipe
It is highly close.
Preferably, the aerobic section includes water spraying pipe, gas distribution pipe and filtrate；The water spraying pipe and sewage water inlet pipe connect
It connects, positioned at the top of aerobic section；The gas distribution pipe is connect with blower, is set near aerobic section bottom；The filtrate is single layer
Or multilayer.
It is improved as further, the aerobic section is located at the top of anoxic section.
Preferably, the organic carbon source of anoxic section adds the stone material that layer sum aggregate water layer uses 10~40mm of partial size.
Preferably, anoxic section adds pipe using pvc pipe or the UPVC pipe of even tube wall aperture；Anoxic section is catchmented
Pipe is the pvc pipe or UPVC pipe that tube wall is provided with gully-hole.
Preferably, the anoxic biological filter bed of material is mainly by the calcareous of 2~30mm of partial size, irony and siliceous particles object
Composition, is also mixed with organic material difficult to degrade.
Preferably, the organic material difficult to degrade is husk.
To realize the technical purpose, method scheme of the invention is: a kind of high load capacity underground infiltration water treatment method is adopted
Sewage treatment is carried out with the aerobic section and anoxic section to intercouple, in which: sewage intermittence enters aerobic section and makes at aerobic section
In it is wet/do alternate environment, and aerobic section in dry environment fall dry spell between oxygen supply is aerated to aerobic section；Sewage passes through
Enter anoxic section after aerobic section processing, anoxic section is the anaerobic environment of long-term waterflooding.
Further, behind 5-10 days for starting sewage treatment operation into sewage in first time, short distance is inoculated with to anoxic section
Denitrifying bacterium and anaerobic ammonia oxidizing bacteria；Later, it when each intermittent to aerobic section into sewage, need to be injected to anoxic section a certain amount of
Sewage, the sewage quantity injected to anoxic section require to be adjusted according to discharge water standard.
Further, anoxic section top setting organic carbon source add layer, the organic carbon source add layer bury it is useful
Pipe is added in add organic carbon source, short-cut denitrification bacterium and anaerobic ammonia oxidizing bacteria；The described sewage injected to anoxic section connects
The short-cut denitrification bacterium of kind and anaerobic ammonia oxidizing bacteria are by adding pipe processing.
Beneficial effects of the present invention are mainly following several respects:
(1) present invention is anti-using raw sewage by coupling Aerobic biological process with anoxic denitrification+Anammox
Nitration reaction provides organic carbon source, and solve common process makes denitrification denitrogenation react suppressed difficulty due to a lack of organic carbon source
Topic, is greatly improved denitrification effect while ensureing effluent quality；
(2) present invention reduces the plane load of aerobic section by the way that a certain amount of raw sewage is directly entered anoxic section, can
Accordingly reduce its land area；
(3) present invention eliminates advanced treating (Manual moist by the system integration of anoxic denitrification reaction in the lower section of aerobic section
Ground) unit, it not only saves the area, but also further reduced investment.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the best specific embodiment of sewage disposal system of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
In conjunction with the most preferred embodiment in the present invention program, as shown in Figure 1, the technical principle that first the present invention will be described in detail:
The sewage for entering aerobic section by a water spraying pipe, in aproll layer rubble lateral flow and due to gravity to
Lower migration penetrates aerobic section chitosan fluid dressing, and the filtrate that pollutant therein is passed through intercepts, adsorbs, precipitates and pass through attachment
Microorganism decomposition on filtering material particle surface is converted and is removed；Organic matter forms CO by biomineralization2And H2O, ammonia nitrogen is then in ammonia oxygen
NO is formed under the action of change bacterium and nitrifier3 -With a small amount of NO2 -。
The sewage handled by aerobic section mixes at the top of anoxic section with from the raw sewage for adding pipe entrance.Denitrifying bacterium
Using the organic carbon in raw sewage as electron donor and energy source, denitrification is carried out, related reaction is as follows:
NO3 -+2H+→NO2 -+H2O (1)
NO2 -+4H+→0.5N2+2H2O (2)
CH2O (organic matter) -4e-→CO2+H2O+ energy (3)
Due to NO3 -Compare NO2 -It is easier to be reduced, i.e. reaction (1) is easier to carry out than reaction (2), makes NO in sewage2 -'s
Concentration increases.At the same time, the ammonia nitrogen of anoxic section is brought into then under the action of anaerobic ammonia oxidizing bacteria, with NO by raw sewage2 -Reaction,
Generate N2With a small amount of NO3 -, it reacts as follows:
NH4 ++1.32NO2 -+0.066HCO3 -+0.13H+→
1.02N2+0.26NO3 -+0.033CH4ON0.3+2.03H2O
While removing the organic matter in sewage, oxynitrides and ammonia nitrogen by denitrification and Anammox, detest
Oxygen biofilter material will also play its water quality purification function, and safeguards system stable water outlet is up to standard.
As shown in figure 1, high load capacity underground infiltration sewage treatment system is lacked most preferred embodiment by top aerobic section and lower part
Oxygen section composition.
Aerobic section is coating 1, aproll layer 2, first chitosan fluid dressing for beautifying the environment and keeping the temperature from top to bottom
3, secondary aproll layer 4, the second chitosan fluid dressing 5, filter bed of essence 6, cloth gas-bearing formation 7；Anoxic section is followed successively by organic carbon source from top to bottom and adds
Layer 8,9 sum aggregate water layer 10 of anaerobic organism filtering layer.
Wherein, a water spraying pipe 12 is buried in an aproll layer 2, buries secondary water spraying pipe 13, gas distribution in secondary aproll layer 4
Gas distribution pipe 16 is buried in layer 7；Organic carbon source adds that layer 8 is embedded to add pipe 17；Collection water layer 10 buries collector pipe 18.It is raw across first
Object filtering layer 3 has vertical diversion pipe 14, and the lower end of vertical diversion pipe 14 is connect with secondary water spraying pipe 13；Secondary water spraying pipe 13 passes through more
Flow tube 15 is connect with pipe 17 is added, and the more position of flow tube 15 is 5~10cm higher than secondary water spraying pipe 13；Water spraying pipe 12 and sewage
Water inlet pipe 11 connects；Gas distribution pipe 16 connects blower by ventilation duct 19；Pipe 17 is added to connect by ball valve 20 with water inlet pipe 11；Collection
Water pipe 18 is connect with drainpipe 21, and the absolute altitude of discharge outlet 22 is close with pipe 17 is added.
In a most preferred embodiment, the coating 1 can be greenery patches, nonirrigated farmland, surface dust or partially hardened ground etc.；Once
Aproll layer 2, secondary aproll layer 4, cloth gas-bearing formation 7, organic carbon source add the rubble that 8 sum aggregate water layer 10 of layer is 10~40mm by partial size
It constitutes.First chitosan fluid dressing 3 and the second chitosan fluid dressing 5 are river sand, haydite, zeolite, flyash mixing filtrate, are saturated coefficient of permeability
It is 1 × 10-1Cm/ seconds to 5 × 10-1Cm/ seconds；Filter bed of essence 6 is mixed by fine sand, haydite, active carbon, calcium soil and sandy soil,
Saturation permeability coefficient is 1 × 10-2~3 × 10-2Cm/ seconds；More one end of flow tube 15 connects secondary water spraying pipe, and the other end is connected with
Machine carbon source adds pipe, and the highest point position that should get over flow tube bottom is 5~10cm higher than secondary water spraying pipe；The vertical diversion pipe top
The height of nozzle is consistent with the top surface of upper anti-blocking layer.
All tubing are all made of pvc pipe or UPVC pipe, naturally it is also possible to be the pipelines of other materials.12 He of water spraying pipe
Secondary 13 50~160mm of diameter of water spraying pipe, apron hole is opened in two sides and bottom；16 50~160mm of diameter of gas distribution pipe, tube wall open gas distribution
Hole；17 50~160mm of diameter of pipe is added, apron hole is opened in two sides and bottom；18 50~200mm of diameter of collector pipe, tube wall opener water
Hole.
The aerobic high load capacity underground infiltration sewage treatment system intermittence coupled with anoxic is intake, in optimal situation, often
Its water inlet 8 times divulges information in right amount to aerobic section oxygen supply in falling between dry spell for aerobic section by ventilation duct 19 and gas distribution pipe 16, specific behaviour
Make method are as follows: close ball valve 20, sewage is made all to enter sewage disposal system (by aerobic and anoxic coupling from a water spraying pipe 12
It closes)；After first time starts 5~10 days of sewage treatment operation into sewage, it is inoculated with short-cut denitrification bacterium from pipe 17 is added and detests
Anaerobic ammonium oxidation bacterium；Later, appropriateness opens ball valve 20, it is each intermittent to aerobic section into sewage when, it is certain to the injection of anoxic section
Sewage is measured, 20~40% sewage is made to be directly entered anoxic section from pipe 17 is added；After system stable effluent quality, according to discharge
Water standard requires regulation ball valve 20, to adjust from the sewage quantity for adding pipe entrance.
The following are one group of experimental data, the wastewater influent of processing is raw for Guangzhou Geochemistry Inst., Chinese Academy of Sciences garden
Sewage living, daily wastewater influent 8 times, hydraulic loading 80cm/d, by the monitoring of several months after sewage disposal system is stablized,
The main pollutant consistence of water inlet is SS=80~130mg/l, CODCr=150~300mg/l, NH3- N=35~55mg/l, TN
=35~60mg/l, TP=2.6~4.2mg/l；After composite system processing of the invention, SS < 10mg/l, CODCr=30~
40mg/l, NH3- N=2~4mg/l, TN=10~15mg/l, TP=0.2~0.8mg/l, water outlet Clear colourless, odorless.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of high load capacity underground infiltration sewage treatment system, which is characterized in that the system include the aerobic section that intercouples and
Anoxic section, in which:
Mineralization of organic material in sewage is become CO by aerobic section2And H2O, by ammonium oxidation at NO3 -And NO2 -；
Anoxic section passes through denitrification for NO3 -And NO2 -It is converted to N2；
The top setting organic carbon source of anoxic section adds layer, which adds layer and be embedded with for adding organic carbon source, short
Journey denitrifying bacterium and anaerobic ammonia oxidizing bacteria add pipe；The bottom of anoxic section is collection water layer, wherein embedded collector pipe；It is described organic
Carbon source, which adds, is equipped with anoxic chitosan fluid dressing between layer and the collection water layer；The collector pipe connects drainpipe；The drainpipe
It is close with the height for adding pipe to drain open height.
2. high load capacity underground according to claim 1 infiltration sewage treatment system, which is characterized in that the aerobic section packet
Include water spraying pipe, gas distribution pipe and filtrate；The water spraying pipe is connect with sewage water inlet pipe, positioned at the top of aerobic section；The gas distribution pipe
It connect, is set near aerobic section bottom with blower；The filtrate is single-layer or multi-layer.
3. high load capacity underground according to claim 2 infiltration sewage treatment system, which is characterized in that the aerobic section
In the top of anoxic section.
4. the high load capacity underground infiltration sewage treatment system according to any one of claims 1 to 3, which is characterized in that
The organic carbon source of anoxic section adds the stone material that layer sum aggregate water layer uses 10~40mm of partial size.
5. the high load capacity underground infiltration sewage treatment system according to any one of claims 1 to 3, which is characterized in that
Anoxic section adds pipe using pvc pipe or the UPVC pipe of even tube wall aperture；The collector pipe of anoxic section is that tube wall is provided with gully-hole
Pvc pipe or UPVC pipe.
6. the high load capacity underground infiltration sewage treatment system according to any one of claims 1 to 3, which is characterized in that
The anoxic biological filter bed of material is mainly made of the calcareous of 2~30mm of partial size, irony and siliceous particles object, is also mixed with difficult to degrade
Organic material.
7. high load capacity underground according to claim 6 infiltration sewage treatment system, which is characterized in that described difficult to degrade
Organic material is husk.
8. a kind of high load capacity underground infiltration water treatment method, which is characterized in that using the aerobic section and anoxic section to intercouple
Carry out sewage treatment, in which: sewage intermittence enter aerobic section make aerobic section be in it is wet/do alternate environment, and good
Falling between dry spell for oxygen Duan Yugan environment is aerated oxygen supply to aerobic section；Sewage enters anoxic section after aerobic section is handled, and lacks
Oxygen section is long-term waterflooding anaerobic environment.
9. high load capacity underground infiltration water treatment method according to claim 8, which is characterized in that in first time into sewage
Behind 5~10 days for starting sewage treatment operation, short-cut denitrification bacterium and anaerobic ammonia oxidizing bacteria are inoculated with to anoxic section；Later, every
It is secondary it is intermittent to aerobic section into sewage when, a certain amount of sewage need to be injected to anoxic section, the sewage quantity injected to anoxic section is according to row
The matter that discharges water standard requirements are adjusted.
10. high load capacity underground infiltration water treatment method according to claim 8, which is characterized in that on the top of anoxic section
Portion's setting organic carbon source adds layer, which adds layer and be embedded with for adding organic carbon source, short-cut denitrification bacterium and detesting
Anaerobic ammonium oxidation bacterium adds pipe；The short-cut denitrification bacterium of the sewage injected to anoxic section, inoculation and anaerobic ammonia oxidizing bacteria
Implemented by adding pipe.
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| CN201910625993.4A CN110182953B (en) | 2019-07-11 | 2019-07-11 | High-load underground infiltration sewage treatment system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111167191A (en) * | 2020-03-10 | 2020-05-19 | 陈琳 | Integrated sewage treatment system |
| CN114524589A (en) * | 2022-03-04 | 2022-05-24 | 贵州中化新能源开发有限公司 | Ecological low-energy-consumption high-efficiency laminated percolation sewage treatment system and method |
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| CN114524589A (en) * | 2022-03-04 | 2022-05-24 | 贵州中化新能源开发有限公司 | Ecological low-energy-consumption high-efficiency laminated percolation sewage treatment system and method |
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