CN209193725U - A kind of combined-flow and more pool artificial marsh sewage treatment systems - Google Patents
A kind of combined-flow and more pool artificial marsh sewage treatment systems Download PDFInfo
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- CN209193725U CN209193725U CN201820428694.2U CN201820428694U CN209193725U CN 209193725 U CN209193725 U CN 209193725U CN 201820428694 U CN201820428694 U CN 201820428694U CN 209193725 U CN209193725 U CN 209193725U
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- 239000010865 sewage Substances 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 230000003647 oxidation Effects 0.000 claims abstract description 69
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 69
- 238000001914 filtration Methods 0.000 claims abstract description 66
- 230000001376 precipitating effect Effects 0.000 claims abstract description 57
- 238000005273 aeration Methods 0.000 claims abstract description 39
- 241000196324 Embryophyta Species 0.000 claims description 57
- 238000012856 packing Methods 0.000 claims description 36
- 239000000945 filler Substances 0.000 claims description 19
- 235000014676 Phragmites communis Nutrition 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 241000233948 Typha Species 0.000 claims description 16
- 229910021536 Zeolite Inorganic materials 0.000 claims description 16
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 16
- 239000010457 zeolite Substances 0.000 claims description 16
- 239000011435 rock Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 8
- 241000746966 Zizania Species 0.000 claims description 7
- 235000002636 Zizania aquatica Nutrition 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 241000721690 Lythrum salicaria Species 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 230000013011 mating Effects 0.000 abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- 239000011574 phosphorus Substances 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 241001518821 Typha orientalis Species 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
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- 244000005700 microbiome Species 0.000 description 2
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- 241000195967 Anthoceros Species 0.000 description 1
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- 241000195493 Cryptophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000000975 bioactive effect Effects 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of combined-flow and more pool artificial marsh sewage treatment systems, comprising: the more pool artificial swamp subsystems of two groups of combined-flows arranged side by side；Wherein, the more pool artificial swamp subsystems of single group combined-flow include: sequentially connected water inlet pipe, water inlet distribution well, the precipitating filtering pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, primary vertical artificial wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond, wet well and drainpipe；Boring aeration pipe is equipped in aeration aerating pond and I and II vertical subsurface flow wetland, each boring aeration pipe is connect through air hose with air blower.The system effectively improves the treatment effect to nitrogen, phosphorus in city domestic sewage, precipitating the filtering pool simultaneously has the function of reinforcing pretreatment precipitating and filtering, the oxidation pond of each mating setting of artificial swamp has the function of precipitating and aquatic plant purification, further increases removal efficiency.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular at a kind of combined-flow and more pool artificial swamp sewage
Reason system is primarily adapted for use in processing high nitrogen, the processing of phosphorus city domestic sewage.
Background technique
Artificial marsh sewage treatment system inhales polluter by means of matrix, microorganism and hygrophyte three
Attached, absorption, conversion, can not only effectively remove suspended matter, organic pollutant, nitrogen, the phosphorus etc. in sewage；And it can effectively remove
The exogenous bioactive substances such as pathogenic microorganism, heavy metal, algae toxin；It can also absorb such as SO simultaneously2、CO2Equal gases play net
Change the effect of air.
Free water surface wetland and current wetland are two kinds of main Types of artificial swamp, and surface flow artificial marshland design is simple, are thrown
Money is few；And the table that current wetland does not expose, sewage seepage flow under filler surface, efficient, health.
The pretreatment for first being precipitated and being filtered can greatly reduce the blocking and later period replacement frequency of wetland.It is compound
Vertical current constructed wetland changes the water flow mode of free water surface wetland, current wetland and single vertical-flow wetland, efficiently solves
" short circuit " phenomenon that other types wetland easily occurs improves wet so that sewage can make full use of processing matrix in wetland
The treatment effect on ground.Meanwhile surface flow artificial marshland, vertical subsurface flow wetland and more pool systems being combined, and in primary vertical
Current wetland leading portion adds aeration aerating pond, and aeration tube is added in secondary vertical current wetland, and two stage vertical artificial wetland exposes
Tolerance is different, forms anaerobism, anoxic, aerobic compound water treatment structure, improves denitrogenation, the phosphor-removing effect of system entirety.
But traditional drowned flow artificial wet land oxygenation capacity is poor, can only be filled by plant and air reaeration approach to matrix
Oxygen, and when wetland variation sanitary sewage, since pollutant burden is apparently higher than the upper limit of plant and air reaeration oxygenation capacity,
Plant secretes oxygen and air reaeration and has little effect to the dissolved oxygen concentration of matrix, and such Medium Culture is then easy to form typical scarce
Oxygen-anaerobic environment, and wherein main advantage strain is amonifying bacteria, it is very low to the removal ability of ammonia nitrogen；And anoxic-anaerobism ring
The speed of microbial degradation organic matter is slower under border, if the decomposition rate of microorganism is less than the speed into the pollutant of system
Degree, matrix will block.
Utility model content
Based on the problems of prior art, the purpose of the utility model is to provide a kind of combined-flow and more pool Manual moists
Ground sewage disposal system is avoided that matrix blocks, and promotes treatment effeciency.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of combined-flow and more pool artificial marsh sewage treatment systems, comprising:
The more pool artificial swamp subsystems of two groups of combined-flows being set side by side；Wherein, the more pool Manual moist backgrounds of single group combined-flow
System includes: water inlet pipe, water inlet distribution well, precipitating the filtering pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, one
Grade vertical current constructed wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond, wet well and drainpipe；
Wherein,
The water inlet distribution well and the precipitating pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, primary vertical
Artificial wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond and wet well are sequentially connected；
The water inlet pipe is connect with the water inlet distribution well；
Boring aeration pipe is equipped in the aeration aerating pond and I and II vertical subsurface flow wetland, each boring aeration pipe is equal
It is connect through air hose with air blower；
The wet well is connect with the drainpipe.
It can be seen from above-mentioned technical solution provided by the utility model combined-flow provided by the embodiment of the utility model and
More pool artificial marsh sewage treatment systems, it has the advantage that:
By the two groups of combined-flows and more pool artificial swamps that will be set side by side, surface flow artificial marshland, vertical subsurface flow wetland and
More pool systems are combined, and add aeration aerating pond in primary vertical current wetland leading portion, are increased in secondary vertical current wetland
If aeration tube, system is connected by water inlet, water outlet, cloth water distribution, captation etc., forms complete AAO denitrogenation dephosphorizing
Artificial wet land system.Precipitating the filtering pool simultaneously has the function of reinforcing pretreatment precipitating and filtering, each mating setting of artificial swamp
Oxidation pond have the function of precipitating and aquatic plant purification, further increase removal efficiency.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the plane signal of combined-flow provided by the embodiment of the utility model and more pool artificial marsh sewage treatment systems
Figure；
Fig. 2 is the section signal of combined-flow provided by the embodiment of the utility model and more pool artificial marsh sewage treatment systems
Figure；
In figure: 1- water inlet distribution well；2- precipitates the pool；3- filters the pool；4- surface flow artificial marshland；5- first order oxidation pond；6-
Aeration aerating pond；7- primary vertical artificial wetland；The second level 8- oxidation pond；9- secondary vertical artificial wetland；The 10- third level
Oxidation pond；11- wet well；12- water inlet pipe；Waterwall is matched in 13- perforation；14- rubble barricade；The coating on the 15- precipitating pool；151- table
The coating of artificial wetland；The aquatic very meadow bog plant of 16-；The aquatic heavy meadow bog plant of 17-；18- effluent weir；19- perforation
Water distributor；The drainage blanket on the 20- filtering pool；The transition zone on the 21- filtering pool；The packing layer on the 22- filtering pool；The oxidation of the 201- first order
The drainage blanket on the pool；The transition zone of 211- first order oxidation pond；The packing layer of 221- first order oxidation pond；202- primary vertical stream
The drainage blanket of artificial swamp；The transition zone of 212- primary vertical artificial wetland；The filler of 222- primary vertical artificial wetland
Layer；The drainage blanket of 203- secondary vertical artificial wetland；The transition zone of 213- secondary vertical artificial wetland；223- secondary vertical
The packing layer of artificial wetland；23- drainpipe；The perforated catchment pipe on the 24- filtering pool；The perforation of 241- first order oxidation pond is catchmented
Pipe；The perforated catchment pipe of 242- primary vertical artificial wetland；The perforated catchment pipe of 243- secondary vertical artificial wetland；25-
The boring aeration pipe in aeration aerating pond；The boring aeration pipe of 251- secondary vertical artificial wetland；26- air hose.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the protection scope of the utility model.It is not described in detail in the utility model embodiment
Content belong to the prior art well known to professional and technical personnel in the field.
As shown in Figure 1, 2, the utility model embodiment provides a kind of combined-flow and more pool artificial marsh sewage treatment systems,
For handling city domestic sewage, it is avoided that matrix blocks, promotes treatment effeciency, overcome lacking for existing combined artificial wetland
Point, comprising:
The more pool artificial swamp subsystems of two groups of combined-flows being set side by side；Wherein, the more pool Manual moist backgrounds of single group combined-flow
System includes: water inlet pipe, water inlet distribution well, precipitating the filtering pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, one
Grade vertical current constructed wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond, wet well and drainpipe；
Wherein,
The water inlet distribution well and the precipitating pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, primary vertical
Artificial wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond and wet well are sequentially connected；
The water inlet pipe is connect with the water inlet distribution well；
Boring aeration pipe is equipped in the aeration aerating pond and I and II vertical subsurface flow wetland, each boring aeration pipe is equal
It is connect through air hose with air blower；
The wet well is connect with the drainpipe.
In above-mentioned artificial marsh sewage treatment system, the precipitating filtering pool is made of the sequentially connected precipitating pool and the filtering pool；
The precipitating pool front end setting sets gradually perforation with waterwall and waterwall, and effluent weir slot, the precipitating is arranged in rear end
Packing layer is arranged in bottom in the pool, plants wetland plant on packing layer；
For the front end water inlet pipe on the filtering pool using perforation water distributor, which is arranged filter packing layer, the mistake
Wetland plant is planted on filter packing layer, the rear end setting water outlet perforated wall on the filtering pool.
In above-mentioned artificial marsh sewage treatment system, the perforation on the precipitating pool is 20mm with the aperture of waterwall；
The water inlet barricade upstream face on the precipitating pool is 55 ° of angles, the overcurrent depth at the top of the water inlet barricade is 0.05~
0.3m；
The packing layer on the precipitating pool is laid with the planting soil of the 300mm thickness of 10% zeolite and 10% volcanic rock by surface
Composition, the wetland plant of precipitating pool plantation are submerged vegetation and very water vegetation；
The perforation of the perforation water distributor on the filtering pool is that aperture, aperture 10mm are distinguished in 45° angle both sides obliquely downward；
The aperture of the water outlet perforated wall on the filtering pool is 20mm；
Filter packing layer in the filtering pool is drainage blanket, coarse filtration layer and fine filtering layer respectively from bottom to top；Wherein, described
Drainage blanket by 40~80mm partial size gravel add 20% haydite form, the drainage blanket with a thickness of 170~270mm；
The coarse filtration layer is made of the zeolite that the gravel of 20~40mm partial size adds 20%, which is 250mm；
The fine filtering layer is laid with 10% zeolite and 10% volcanic rock on surface by the sand of 5~20mm partial size, this is thin
Filtering layer with a thickness of 250mm.
In above-mentioned artificial marsh sewage treatment system, the hydraulic gradient on the precipitating filtering pool is 0.5%, and whole length-width ratio is
3:1, BOD5Load is 7~10g/ (m2·d)；Wherein, the precipitating pool hydraulic detention time on the precipitating filtering pool is 1.5~3h,
The hydraulic detention time for filtering the pool is 1~2h.
In above-mentioned artificial marsh sewage treatment system, perforation sparge pipe is arranged in surface flow artificial marshland front end, and the surface low is artificial
Packing layer is arranged in bottom in wetland, plants wetland plant in described filler layer, surface low Manual moist rear end setting water outlet perforation collection
Water pipe.
In above-mentioned artificial marsh sewage treatment system, the perforation sparge pipe and water outlet perforated catchment pipe of surface flow artificial marshland are equal
Use aperture for 10mm, perforated pipe obliquely downward 45° angle both sides difference aperture perforated pipe；
Packing layer in the surface flow artificial marshland is laid with 10% zeolite and 10% fire by the planting soil surface of 500mm
Mountain rock composition；
The wetland plant planted on the packing layer of the surface flow artificial marshland be one of reed, cattail, Lythrum salicaria or
It is a variety of.
In above-mentioned artificial marsh sewage treatment system, the hydraulic gradient of surface flow artificial marshland is 0.5%, and whole length-width ratio is
3:1, BOD5Load is 10~12g/ (m2D), the residence time of surface flow artificial marshland is 4~6d.
In above-mentioned artificial marsh sewage treatment system, packed bed, the packed bed is arranged in bottom in the first order oxidation pond
Upper plantation wetland plant, first order oxidation pond rear end setting water outlet perforated catchment pipe；
The primary vertical current wetland using lower to stream current wetland, in the primary vertical current wetland from front to back according to
Secondary setting distributing channel, perforation water distributor, the boring aeration pipe and collector pipe, the primary vertical current wetland is interior to be arranged filler
Bed, wetland plant is planted on the packed bed；
Perforation water distributor is arranged in second level oxidation pond front end, and packed bed is arranged in bottom in the second level oxidation pond, should
Wetland plant is planted on packed bed, which is arranged effluent weir slot；
The secondary vertical current wetland uses upward flow current wetland, in the secondary vertical current wetland from front to back according to
Secondary setting perforation water distributor, the boring aeration pipe and collector pipe, the secondary vertical current wetland is interior to be arranged packed bed, the filler
Wetland plant is planted on bed；
Packed bed is arranged in bottom in the third level oxidation pond, plants wetland plant on the packed bed, third level oxidation
Pool rear end setting water outlet perforated catchment pipe.
In above-mentioned artificial marsh sewage treatment system, the packed bed in first order oxidation pond is bottom row respectively from bottom to top
Water layer, intermediate filler layer, top drainage blanket, bottom discharge layer with a thickness of 290~350mm, top drainage blanket with a thickness of 150mm,
Bottom discharge layer and top drainage blanket are made of the gravel of 20~30mm partial size；Intermediate filler layer is with a thickness of 300mm, among this
Packing layer is made of the Biohaydite filter material of 4~10mm partial size；The wetland planted on the packed bed of the first order oxidation pond is planted
One or more of object reed, water plant；
The water outlet perforated catchment pipe of the first order oxidation pond uses aperture for the both sides of 45° angle obliquely downward of 10mm, and aperture is worn respectively
Kong Guan；
The structure of the second level oxidation pond and third level oxidation pond is identical as the structure of the first order oxidation pond；
Packed bed in the primary vertical drowned flow artificial wet land is drainage blanket, transition zone, packing layer respectively from bottom to top
And coating, wherein the drainage blanket is made of with a thickness of 240~300mm, the drainage blanket the gravel of 20~30mm partial size；Institute
Stating transition region thickness is 200mm, which is made of the gravel of 10~18mm partial size；Described filler layer, should with a thickness of 900mm
Packing layer is made of the Biohaydite filter material of 4~10mm partial size；The overburden cover is 150mm, the coating by 10~
The gravel of 18mm partial size forms；
The wetland plant planted on the packed bed of the primary vertical drowned flow artificial wet land is reed, in wild rice stem, cattail
It is one or more of；
Packed bed in the secondary vertical drowned flow artificial wet land is drainage blanket, transition zone, filler respectively from bottom to top
Layer and coating, wherein the drainage blanket is made of with a thickness of 420~480mm, the drainage blanket the gravel of 20~30mm partial size；
The transition region thickness is 200mm, which is made of the gravel of 10~18mm partial size；Described filler layer with a thickness of 700mm,
The packing layer is made of the Biohaydite filter material of 4~10mm partial size；The overburden cover is 150mm, the coating by 10~
The gravel of 18mm partial size forms；
The wetland plant planted on the packed bed of the secondary vertical drowned flow artificial wet land is reed, in wild rice stem, cattail
It is one or more of；
Aeration tube in the secondary vertical current wetland uses tube aerator, and it is wet to be uniformly located at the secondary vertical undercurrent
In the drainage blanket of packed bed in ground；
Perforation water distributor, the boring aeration pipe and collector pipe in the I and II vertical subsurface flow wetland are all made of hole
Diameter is that the perforated pipe of aperture is distinguished on the both sides of 45° angle obliquely downward of 10mm.
In above-mentioned artificial marsh sewage treatment system, the first order, second level and tertiary oxidation pool hydraulic gradient are
0.5%, BOD5Load is 15~20g/ (m2D), hydraulic detention time is 2~3d；
The primary vertical drowned flow artificial wet land is lower to artificial wetland, and hydraulic gradient 1%, whole length-width ratio is 3:
1, BOD530~40g/ of load (m2D), 3~4d of hydraulic detention time；
The secondary vertical drowned flow artificial wet land be upward flow artificial swamp, hydraulic gradient 1%, length-width ratio 3:1,
BOD535~45g/ of load (m2D), 4~5d of hydraulic detention time.
The combined-flow of the utility model and more pool artificial marsh sewage treatment systems, by two groups of combined-flows being set side by side and
Surface flow artificial marshland, vertical subsurface flow wetland and more pool systems are combined by more pool artificial swamps, and wet in primary vertical undercurrent
Ground leading portion adds aeration aerating pond, adds aeration tube in secondary vertical current wetland, and by water inlet, water outlet, cloth water distribution, catchment dress
It sets etc. and system is connected, form complete AAO denitrogenation dephosphorizing artificial wet land system.Precipitating the filtering pool simultaneously has reinforcement pre-
The effect of processing precipitating and filtering, the oxidation pond of each mating setting of artificial swamp have the function of precipitating and aquatic plant purification,
Further increase removal efficiency.The combined-flow and more pool artificial marsh sewage treatment systems have the beneficial effect that (1) was precipitated
The filter pool is set to the front end of system, has the function of reinforcing pretreatment precipitating and filtering, while can mitigate subsequent wetland variation
Load.(2) surface flow artificial marshland is as Anaerobic Treatment area, using inhaling the stronger Biohaydite filter material of phosphorus ability, plantation cattail,
The good wetland plant of the phosphor-removing effects such as Lythrum salicaria, specific aim remove the phosphorus in water body.(3) primary vertical drowned flow artificial wet land conduct
Anoxic treatment area, front end are arranged level-one and are oxygenated pond progress preoxygenation, take direct aeration aerating high-efficient in water body, required wind pressure
Smaller while big using porosity Biohaydite filter material, the good wetland plants of denitrification effects such as plantation reed, wild rice stem, cattail,
Enhance the removal effect of ammonia nitrogen.(4) aerator is arranged in pond body as Aerobic Process for Treatment area in secondary vertical drowned flow artificial wet land,
Guarantee the dissolved oxygen levels in pond body, promotes carburizing reagent, be conducive to the removal of BOD.(5) each artificial swamp mating setting
The tertiary oxidation pool has the function of precipitating and aquatic plant purification, further increases removal effect, guarantees effluent quality.(6) water distribution,
Captation is all made of perforated pipe, and is uniformly arranged, and aerator is type micro-pore aerator, and oxygen-transfer efficiency is high.
The utility model embodiment is described in further detail below in conjunction with attached drawing.
The utility model provides a kind of combined-flow and more pool artificial marsh sewage treatment systems, specific implementation such as attached drawing 1,
It include two groups of combined-flows and more pool artificial swamps, single group artificial swamp series connection intake pool, precipitating the filtering pool, surface low people shown in 2
The composition such as the above current wetland of work wetland, oxidation pond, two-stage and oxidation pond, discharge bay, it is artificial to form complete AAO denitrogenation dephosphorizing
Wet land system.
Wherein, the more pool artificial swamp subsystems of single group combined-flow be by be connected in series water inlet distribution well, precipitating filtering the pool,
The Manual moist of the compositions such as surface flow artificial marshland, first order oxidation pond, the above current wetland of two-stage and the rear two-stage oxidation pool, wet well
Ground purifying subsystem.
In above-mentioned artificial marsh sewage treatment system, precipitating filtering pool BOD57~10g/ of load (m2D), the precipitating filtering pool
Precipitating pool hydraulic detention time be 1.5~3h, filtering pool hydraulic detention time be 1~2h, precipitating the pool be mainly arranged perforate matches
Waterwall, waterwall, water outlet weir notch, filler and wetland plant；Perforation water distributor, filtering is mainly arranged in the filtering pool on the precipitating filtering pool
Gravel, wetland plant and water outlet perforated wall.The precipitating pool is arranged water inlet barricade, wetland plant and effluent weir, settling zone and fills out
The bed of material is mainly 300mm planting soil (surface increases by 10% volcanic rock 10% of zeolite), and submerged vegetation is planted in settling zone and very water is planted
Quilt.Filtering pool packed bed is drainage blanket, coarse filtration layer, fine filtering layer respectively from bottom to top, and drainage blanket is mainly 40~80mm
The gravel (mixing haydite 20%) of diameter, bottom discharge layer is with a thickness of 170~270mm；Coarse filtration layer is mainly the sand of 20~40mm partial size
Gravel (mixes zeolite 20%), and thickness is 250mm；Fine filtering layer be mainly 5~20mm partial size sand (surface increase zeolite 10%,
Volcanic rock 10%), with a thickness of 250mm.
In above-mentioned artificial marsh sewage treatment system, surface flow artificial marshland BOD510~12g/ of load (m2D), surface low people
4~6d of work wetland residence time, mating setting perforation sparge pipe, filler, wetland plant and water outlet perforated catchment pipe.The table
Artificial wetland packing layer is mainly 500mm planting soil (surface increases by 10% volcanic rock 10% of zeolite).The surface low is artificial
Wetland mainly plants the emergent aquactic plants such as reed, cattail, Lythrum salicaria.
In above-mentioned artificial marsh sewage treatment system, primary vertical drowned flow artificial wet land is lower to artificial wetland, BOD5
30~40g/ of load (m2D), 3~4d of hydraulic detention time, mating setting water distribution pipe, effluent collection pipe.Described one
Grade vertical subsurface flow wetland packed bed is drainage blanket, transition zone, packing layer and coating, drainage blanket thickness respectively from bottom to top
For 240~300mm, the gravel of predominantly 20~30mm partial size；Transition region thickness is 200mm, predominantly 10~18mm partial size
Gravel；Packing layer is with a thickness of 900mm, the Biohaydite filter material of predominantly 4~10mm partial size；Overburden cover is 150mm, main
It to be the gravel of 10~18mm partial size.Mainly plant reed, wild rice stem, cattail etc. in the primary vertical drowned flow artificial wet land top
Wetland plant.
In above-mentioned artificial marsh sewage treatment system, secondary vertical drowned flow artificial wet land is upward flow artificial swamp, BOD5
35~45g/ of load (m2D), 4~5d of hydraulic detention time, mating setting water distribution pipe, aeration tube, effluent collection pipe.
The secondary vertical drowned flow artificial wet land packed bed is drainage blanket, transition zone, packing layer and coating, row respectively from bottom to top
Water layer thickness is 420~480mm, the gravel of predominantly 20~30mm partial size；Transition region thickness is 200mm, predominantly 10~
The gravel of 18mm partial size；Packing layer is with a thickness of 700mm, the Biohaydite filter material of predominantly 4~10mm partial size；Overburden cover is
The gravel of 150mm, predominantly 10~18mm partial size.Mainly plant reed, hay in the secondary vertical drowned flow artificial wet land top
The wetland plants such as white, cattail.
In above-mentioned artificial marsh sewage treatment system, the tertiary oxidation pool (the referred to first order, second level and third level oxidation
The pool) BOD515~20g/ of load (m2D), 2~3d of hydraulic detention time, mating setting bottom perforated cloth waterwall, water inlet pipe and
Effluent collection pipe.The packed bed is drainage blanket, packing layer, drainage blanket respectively from bottom to top, bottom discharge layer with a thickness of
290~350mm, top drainage blanket are 150mm, the gravel of predominantly 20~30mm partial size；Packing layer is with a thickness of 300mm, mainly
For the Biohaydite filter material of 4~10mm partial size.It is wet that cattail, raupo, reed, canna etc. are mainly planted in the oxidation pond top
Ground plant.
In above-mentioned artificial marsh sewage treatment system, the precipitating filtering pool has the function of reinforcing pretreatment precipitating and filtering,
The oxidation pond of each mating setting of artificial swamp has the function of precipitating and aquatic plant purification, further increases removal efficiency.
Embodiment
The present embodiment treatment scale is 200m3The villages and small towns sewage of/d, raw water quality: CODCr=316mg/L, BOD5=
146.5mg/L, SS=238mg/L, TP=6.82mg/L, TN=54.6mg/L, NH3- N=35.2mg/L.Raw water passes through thick lattice
Enter this wet land system after grid, fine grid, aerated grit chamber, primary sedimentation tank.
Precipitating filtering pool BOD5Load 10g/ (m2D), precipitating pool hydraulic detention time is 3h, and settling zone packing layer is main
For 300mm planting soil (surface increases by 10% volcanic rock 10% of zeolite), hornwort and reed are planted in settling zone.Filtering pool waterpower is stopped
Stay the time be 2h, filtering pool drainage blanket be mainly 40~80mm partial size gravel (mixing haydite 20%), bottom discharge layer with a thickness of
200mm；Coarse filtration layer is mainly the gravel (mixing zeolite 20%) of 20~40mm partial size, and thickness is 250mm；Fine filtering layer is mainly 5
The sand (surface increases zeolite 10%, volcanic rock 10%) of~20mm partial size, with a thickness of 250mm.
Surface flow artificial marshland BOD5Load 10g/ (m2D), surface flow artificial marshland residence time 5d, packing layer are mainly 500
Mm planting soil (surface increases by 10% volcanic rock 10% of zeolite), subregion plants reed, cattail.
Primary vertical drowned flow artificial wet land BOD5Load 35g/ (m2D), hydraulic detention time 4d, drainage blanket with a thickness of
The gravel of 250mm, predominantly 20~30mm partial size；Filter layer is with a thickness of 200mm, the gravel of predominantly 10~18mm partial size；It fills out
Thickness of feed layer is 900mm, the Biohaydite filter material of predominantly 4~10mm partial size；Overburden cover is 150mm, predominantly 10~
The gravel of 18mm partial size.Spacing sleeve cropping reed, wild rice stem, cattail.
Secondary vertical drowned flow artificial wet land BOD5Load 40g/ (m2D), hydraulic detention time 5d, drainage blanket with a thickness of
The gravel of 420mm, predominantly 20~30mm partial size；Transition region thickness is 200mm, the gravel of predominantly 10~18mm partial size；It fills out
Thickness of feed layer is 700mm, the Biohaydite filter material of predominantly 4~10mm partial size；Overburden cover is 150mm, predominantly 10~
The gravel of 18mm partial size, spacing sleeve cropping reed, cattail.
The tertiary oxidation pool (i.e. the first, second, third oxidation pond) BOD5Load 15g/ (m2D), hydraulic detention time 2d,
For bottom discharge layer with a thickness of 300mm, top drainage blanket is 150mm, the gravel of predominantly 20~30mm partial size；Packing layer with a thickness of
The Biohaydite filter material of 300mm, predominantly 4~10mm partial size.Subregion plants cattail, raupo, reed.
System treatment effect (mg/L, %) is as shown in table 1 in the present embodiment.Table 1 is that embodiment villages and small towns sewage is preprocessed
After complex vertical undercurrent-interval reoxygenation vertical subsurface flow wetland sewage treatment process processing, COD in sewageCr、BOD5、
SS、TP、TN、NH3The removal effect of-N.
1 villages and small towns sewage of table is preprocessed and complex vertical undercurrent-interval reoxygenation vertical subsurface flow wetland sewage treatment system
System treated removal effect table
| Water quality indicator | It intakes (mg/L) | It is discharged (mg/L) | Removal rate |
| CODCr | 316 | 36.7 | 88.38% |
| BOD5 | 146.5 | 14.3 | 90.23% |
| SS | 238 | 6.2 | 97.39% |
| TP | 6.82 | 0.44 | 93.5% |
| TN | 54.6 | 6.8 | 87.54% |
| NH3-N | 35.2 | 2.4 | 93.18% |
The artificial marsh sewage treatment system that can be seen that the utility model by upper table has sewage and preferably goes
Except effect.The artificial marsh sewage treatment system effectively improves the treatment effect to nitrogen, phosphorus in city domestic sewage, simultaneously
The precipitating filtering pool has the function of reinforcing pretreatment precipitating and filtering, the oxidation pond of each mating setting of artificial swamp have precipitating with
The effect of aquatic plant purification, further increases removal efficiency.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (10)
1. a kind of combined-flow and more pool artificial marsh sewage treatment systems characterized by comprising
The more pool artificial swamp subsystems of two groups of combined-flows being set side by side；Wherein, the more pool artificial swamp subsystems of single group combined-flow
Include: water inlet pipe, water inlet distribution well, precipitating filtering the pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, level-one hang down
Direct current artificial swamp, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond, wet well and drainpipe；Its
In,
The water inlet distribution well and the precipitating pool, surface flow artificial marshland, first order oxidation pond, aeration aerating pond, primary vertical person who lives in exile
Work wetland, second level oxidation pond, secondary vertical artificial wetland, third level oxidation pond and wet well are sequentially connected；
The water inlet pipe is connect with the water inlet distribution well；
Boring aeration pipe is equipped in the aeration aerating pond and I and II vertical subsurface flow wetland, each boring aeration pipe is through sky
Tracheae is connect with air blower；
The wet well is connect with the drainpipe.
2. a kind of combined-flow according to claim 1 and more pool artificial marsh sewage treatment systems, which is characterized in that described
The precipitating filtering pool is made of the sequentially connected precipitating pool and the filtering pool；
The precipitating pool front end sets gradually perforation with waterwall and waterwall, and effluent weir slot, bottom in the precipitating pool is arranged in rear end
Packing layer is set, plants wetland plant on packing layer；
The front end water inlet pipe on the filtering pool is using perforation water distributor, which is arranged filter packing layer, which fills out
Wetland plant is planted on the bed of material, the rear end setting water outlet perforated wall on the filtering pool.
3. a kind of combined-flow according to claim 2 and more pool artificial marsh sewage treatment systems, which is characterized in that described
It is 20mm that the aperture of waterwall is matched in the perforation for precipitating the pool；
The water inlet barricade upstream face on the precipitating pool is 55 ° of angles, and the overcurrent depth at the top of the water inlet barricade is 0.05~0.3m；
The planting soil for the 300mm thickness that the packing layer on the precipitating pool is laid with zeolite and volcanic rock by surface forms, the precipitating pool kind
The wetland plant of plant is submerged vegetation and very water vegetation；
The perforation of the perforation water distributor on the filtering pool is that aperture, aperture 10mm are distinguished in 45° angle both sides obliquely downward；
The aperture of the water outlet perforated wall on the filtering pool is 20mm；
Filter packing layer in the filtering pool is drainage blanket, coarse filtration layer and fine filtering layer respectively from bottom to top；Wherein, the draining
Layer by 40~80mm partial size gravel add 20% haydite form, the drainage blanket with a thickness of 170~270mm；
The coarse filtration layer adds zeolite by the gravel of 20~40mm partial size and forms, which is 250mm；
The fine filtering layer is laid with zeolite and volcanic rock on surface by the sand of 5~20mm partial size and forms, the fine filtering layer with a thickness of
250mm。
4. a kind of combined-flow according to any one of claims 1 to 3 and more pool artificial marsh sewage treatment systems, feature
It is, the hydraulic gradient on the precipitating filtering pool is 0.5%, and whole length-width ratio is 3:1, BOD5Load is 7~10g/ (m2·
d)；Wherein, the precipitating filtering pool precipitating pool hydraulic detention time be 1.5~3h, filter the pool hydraulic detention time be 1~
2h。
5. a kind of combined-flow according to any one of claims 1 to 3 and more pool artificial marsh sewage treatment systems, feature
It is, the surface flow artificial marshland front end setting perforation sparge pipe, packing layer is arranged in bottom in the surface flow artificial marshland, described to fill out
Wetland plant is planted on the bed of material, surface low Manual moist rear end setting water outlet perforated catchment pipe.
6. a kind of combined-flow according to claim 5 and more pool artificial marsh sewage treatment systems, which is characterized in that described
It is 10mm that the perforation sparge pipe of surface flow artificial marshland and water outlet perforated catchment pipe, which are all made of aperture, perforated pipe 45° angle both sides obliquely downward
The perforated pipe of aperture respectively；
Packing layer in the surface flow artificial marshland is laid with zeolite by the planting soil surface of 500mm and volcanic rock forms；
The wetland plant planted on the packing layer of the surface flow artificial marshland is one of reed, cattail, Lythrum salicaria or a variety of.
7. a kind of combined-flow according to claim 5 and more pool artificial marsh sewage treatment systems, which is characterized in that described
The hydraulic gradient of surface flow artificial marshland is 0.5%, and whole length-width ratio is 3:1, BOD5Load is 10~12g/ (m2D), surface low
The residence time of artificial swamp is 4~6d.
8. a kind of combined-flow according to any one of claims 1 to 3 and more pool artificial marsh sewage treatment systems, feature
It is, packed bed is arranged in bottom in the first order oxidation pond, wetland plant is planted on the packed bed, after the first order oxidation pond
End setting water outlet perforated catchment pipe；
The primary vertical current wetland, to current wetland is flowed, is successively set from front to back using lower in the primary vertical current wetland
Distributing channel, perforation water distributor, the boring aeration pipe and collector pipe are set, packed bed is set in the primary vertical current wetland, it should
Wetland plant is planted on packed bed；
Perforation water distributor is arranged in second level oxidation pond front end, and packed bed, the filler is arranged in bottom in the second level oxidation pond
Wetland plant is planted on bed, which is arranged effluent weir slot；
The secondary vertical current wetland uses upward flow current wetland, successively sets from front to back in the secondary vertical current wetland
Perforation water distributor, the boring aeration pipe and collector pipe are set, packed bed is set in the secondary vertical current wetland, on the packed bed
Plant wetland plant；
Packed bed is arranged in bottom in the third level oxidation pond, wetland plant is planted on the packed bed, after the third level oxidation pond
End setting water outlet perforated catchment pipe.
9. a kind of combined-flow according to claim 8 and more pool artificial marsh sewage treatment systems, which is characterized in that described
Packed bed in first order oxidation pond is bottom discharge layer, intermediate filler layer, top drainage blanket, bottom discharge respectively from bottom to top
Layer is with a thickness of 290~350mm, and top drainage blanket is with a thickness of 150mm, and bottom discharge layer and top drainage blanket are by 20~30mm
The gravel of diameter forms；Intermediate filler layer with a thickness of 300mm, the intermediate filler layer by 4~10mm partial size Biohaydite filter material group
At；One or more of the wetland plant reed planted on the packed bed of the first order oxidation pond, water plant；
The water outlet perforated catchment pipe of the first order oxidation pond uses aperture to distinguish aperture perforation for the both sides of 45° angle obliquely downward of 10mm
Pipe；
The structure of the second level oxidation pond and third level oxidation pond is identical as the structure of the first order oxidation pond；
Packed bed in the primary vertical drowned flow artificial wet land is drainage blanket, transition zone, packing layer respectively from bottom to top and covers
Cap rock, wherein the drainage blanket is made of with a thickness of 240~300mm, the drainage blanket the gravel of 20~30mm partial size；The mistake
Layer is crossed with a thickness of 200mm, which is made of the gravel of 10~18mm partial size；Described filler layer is with a thickness of 900mm, the filler
Layer is made of the Biohaydite filter material of 4~10mm partial size；The overburden cover is 150mm, and the coating is by 10~18mm
The gravel of diameter forms；
The wetland plant planted on the packed bed of the primary vertical drowned flow artificial wet land is one of reed, wild rice stem, cattail
Or it is several；
Packed bed in the secondary vertical drowned flow artificial wet land be respectively from bottom to top drainage blanket, transition zone, packing layer and
Coating, wherein the drainage blanket is made of with a thickness of 420~480mm, the drainage blanket the gravel of 20~30mm partial size；It is described
Transition region thickness is 200mm, which is made of the gravel of 10~18mm partial size；With a thickness of 700mm, this is filled out described filler layer
The bed of material is made of the Biohaydite filter material of 4~10mm partial size；The overburden cover is 150mm, and the coating is by 10~18mm
The gravel of partial size forms；
The wetland plant planted on the packed bed of the secondary vertical drowned flow artificial wet land is one of reed, wild rice stem, cattail
Or it is several；
Aeration tube in the secondary vertical current wetland uses tube aerator, is uniformly located in the secondary vertical current wetland
Packed bed drainage blanket in；
Perforation water distributor, the boring aeration pipe and collector pipe in the I and II vertical subsurface flow wetland are all made of aperture and are
The perforated pipe of the both sides of the 45° angle obliquely downward difference aperture of 10mm.
10. a kind of combined-flow according to claim 8 and more pool artificial marsh sewage treatment systems, which is characterized in that
The first order, second level and tertiary oxidation pool hydraulic gradient are 0.5%, BOD5Load is 15~20g/ (m2D),
Hydraulic detention time is 2~3d；
The primary vertical drowned flow artificial wet land is lower to artificial wetland, hydraulic gradient 1%, and whole length-width ratio is 3:1,
BOD530~40g/ of load (m2D), 3~4d of hydraulic detention time；
The secondary vertical drowned flow artificial wet land is upward flow artificial swamp, hydraulic gradient 1%, length-width ratio 3:1, BOD5It is negative
35~45g/ of lotus (m2D), 4~5d of hydraulic detention time.
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| CN201820428694.2U CN209193725U (en) | 2018-03-28 | 2018-03-28 | A kind of combined-flow and more pool artificial marsh sewage treatment systems |
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|---|---|---|---|
| CN201820428694.2U CN209193725U (en) | 2018-03-28 | 2018-03-28 | A kind of combined-flow and more pool artificial marsh sewage treatment systems |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333194A (en) * | 2020-03-09 | 2020-06-26 | 广州市环境保护工程设计院有限公司 | Multi-stage stabilization pond-artificial wetland combined system |
| CN111362418A (en) * | 2020-05-12 | 2020-07-03 | 知和环保科技有限公司 | Alternate operation subsurface flow and surface flow composite artificial wetland and application method thereof |
| CN112125405A (en) * | 2020-09-02 | 2020-12-25 | 浙江问源环保科技股份有限公司 | Composite artificial wetland system and operation method thereof |
| CN113800723A (en) * | 2021-10-19 | 2021-12-17 | 盐城师范学院 | Bionic wetland system |
-
2018
- 2018-03-28 CN CN201820428694.2U patent/CN209193725U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333194A (en) * | 2020-03-09 | 2020-06-26 | 广州市环境保护工程设计院有限公司 | Multi-stage stabilization pond-artificial wetland combined system |
| CN111362418A (en) * | 2020-05-12 | 2020-07-03 | 知和环保科技有限公司 | Alternate operation subsurface flow and surface flow composite artificial wetland and application method thereof |
| CN111362418B (en) * | 2020-05-12 | 2021-06-01 | 知和环保科技有限公司 | Alternate operation subsurface flow and surface flow composite artificial wetland and application method thereof |
| CN112125405A (en) * | 2020-09-02 | 2020-12-25 | 浙江问源环保科技股份有限公司 | Composite artificial wetland system and operation method thereof |
| CN113800723A (en) * | 2021-10-19 | 2021-12-17 | 盐城师范学院 | Bionic wetland system |
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