CN104926038B - A kind of biological and ecological composite handling arrangement for rural sewage treatment - Google Patents
A kind of biological and ecological composite handling arrangement for rural sewage treatment Download PDFInfo
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- CN104926038B CN104926038B CN201510337196.8A CN201510337196A CN104926038B CN 104926038 B CN104926038 B CN 104926038B CN 201510337196 A CN201510337196 A CN 201510337196A CN 104926038 B CN104926038 B CN 104926038B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a kind of biological and ecological composite handling arrangement for rural sewage treatment, including anaerobism strenuous primary treatment pond, aeration tank and the ecological pond for mutually separating, being sequentially connected in series, anaerobism strenuous primary treatment pond includes three interconnected pretreatment pools, is connected with aeration tank；Combined stuffing is provided with aeration tank, it is positioned opposite with blast aeration tank that three-way flow guide pipe is through to combined stuffing bottom, aeration tank connects ecological pond；Ecological pond includes two sub- pools for being serially connected connection, and every sub- pool includes shallow water Humid Area and deep water Humid Area, and the deep water Humid Area on the upper alien pool sets floating bed sloping plate deposition combination unit, the sub- pool deep water Humid Area configuration water plant in end and fish；Sludge reflux pump installation is set in ecological pond, and surrounding bank kind is implanted with the dense trees of tree crown.Present invention optimizes traditional handicraft, dwell time of sewage is extended, the mixability of sewage and activated sludge is improved；With cost is low, operating cost is low, it is efficient, the features such as easily promote.
Description
Technical field
The present invention relates to the biological and ecological processing system of the biochemical processing sewage of field of environmental engineering, and in particular to for agriculture
The biological and ecological composite handling arrangement of village's sewage (including sanitary sewage and breeding wastewater etc.) processing.
Background technology
With the raising continued to develop with living standards of the people of China's economic society, countryside sewage treating is increasingly compeled
Cut, have become a Demand of Nation.On printing and distributing《National natural, ecologicals in 2013 and rural environmental protection key work》's
Notify that (ring does [2013] No. 5) is distinctly claimed, accelerate to solve rural area protrusion environmental problem, expand rural environment and renovate model in flakes
Enclose, carry out in an all-round way and renovate in flakes in each province (area, city).But in general, the technical capability of support China countryside sewage treating
It is relatively low, lack applicable low cost, easy care management countryside sewage treatment equipment.Treatment facility construction quality is low, technology dress
Putting misapplication causes large quantities of rural sewage treatment engineerings to be difficult to lasting performance environmental benefit, is forced to carry out secondary transformation.Shan
West saves 2012-2014 rural environments and administered in flakes, and most hydrolysis acidifications low using processing unit small investment, operating cost-
Artificial swamp composite treatment process, but operative practice shows, quite a few engineering exist treatment effect it is unstable, it is easy block,
The problems such as being difficult qualified discharge.In addition, the technique device such as activated sludge process, biomembrance process and MBR fund in the presence of needed for is big, cost
The problems such as high, technology and management do not catch up with, rural area is not suitable for equally.
Anaerobic technology in terms of energy-conservation, material and energy recovery due to having significant advantage, the anaerobic organism of current waste water
Treatment technology turns into the core technology of sustainable development.But if only carrying out Anaerobic Treatment, outlet effect is poor, most feelings
It is difficult to meet emission request under condition.A kind of unpowered mixing of rural community sewage-sludge liquid, low-temperature resistance biochemical treatment apparatus (patent
Number：ZL201420237601.X cases of engineering) shows, the device has that cost is low, operating cost is low, easy care
The features such as, the mixability of sewage and activated sludge is improved, with preferable COD removal effects (hydraulic detention time 2-3 days
Under conditions of, average removal rate is about 60%).But, its Nitrogen/Phosphorus Removal is poor, in the case where influent COD is higher, is difficult
Qualified discharge.Typical case detection of the Hubei Bureau of Environmental Protection of Shanxi Province to 52 sets of non-powered domestic sewage treatment device effects of the whole province is shown, is handled
Effect generally to be preferred over common septic tank, COD clearance 29.31%-79.99%, and average removal rate is 53.73%, but to ammonia
Nitrogen, phosphatic treatment effect are very poor.
The content of the invention
It is unstable, easily stifled present invention aim to address the treatment effect of Rural Areas at Present sewage treatment project generally existing
The problems such as filling in, be difficult qualified discharge, high cost builds convenient, maintenance cost and operational and administrative expenses there is provided one kind is simple in construction
It is low, treatment effeciency it is high be used for the biological and ecological Combined Processing dress of country sewage (including sanitary sewage and breeding wastewater etc.) processing
Put.
In order to overcome the deficiencies in the prior art, the technical proposal of the invention is realized in this way：
A kind of biological and ecological composite handling arrangement for rural sewage treatment, including mutually separate, be sequentially connected in series setting
Anaerobism strenuous primary treatment pond, three units in aeration tank and ecological pond, the anaerobism strenuous primary treatment pond is mutually interconnected including three
Water inlet pipe is connected with logical pretreatment pool, the anaerobism strenuous primary treatment pond, between anaerobism strenuous primary treatment pond and aeration tank
It is connected by three-way flow guide pipe；In the aeration tank be provided with combined stuffing, three-way flow guide pipe be through to combined stuffing bottom with
Blast aeration tank is positioned opposite, and aeration tank side wall is communicated with the mozzle of ecological pond；The ecological pond includes two mutually strings
Join the upper alien pool and the end Zi Tang of connection, every sub- pool includes shallow water Humid Area and deep water Humid Area, the depth on the upper alien pool
Meadow bog area sets floating bed sloping plate deposition combination unit, the sub- pool deep water Humid Area configuration water plant in end and fish；Ecological pond
Interior setting sludge reflux pump installation, surrounding bank kind is implanted with the dense trees of tree crown.
Further, described three interconnected anaerobism strenuous primary treatment ponds are the first pretreatment pool, the second pretreatment
Pond and the 3rd pretreatment pool；It is divided into Liang Ge areas provided with deflection plate in second pretreatment pool, the bottom insertion of Liang Ge areas,
Combined stuffing is provided with the pond body adjacent with the 3rd pretreatment pool；It is provided with and is run through by three-way flow guide pipe in 3rd pretreatment pool
To the combined stuffing of its bottom；Three interconnected anaerobism strenuous primary treatment pond pond body sidewalls are provided with overflow venting channels.
Further, it is strong that the three-way flow guide water inlet tube mouthful that the anaerobism strenuous primary treatment pond is connected with aeration tank is located at anaerobism
Change under pretreatment pool liquid level at 20cm-30cm；The three-way flow guide pipe delivery port is away from aeration tank bottom 40cm-60cm.
Further, the aeration tank bottom sets the combined stuffing on blast aeration tank, blast aeration tank away from bottom of pond
48cm-53cm, away from liquid level 38cm-42cm.
Further, the ecological pond is rectangle, and 2 upper alien pools connected and end Zi Tang are separated into by deflected current wall,
Every sub- pool is the spindle that water inlet end is narrow, water side is wide；Every Zi Tang water sides width is the 1/3 of ecological pond length, is entered
Water end (W.E.) width is the 1/3-1/2 of water side width.
Further, the upper alien pool water inlet end is to set floating bed swash plate in the rectangular deep water Humid Area of plane, area
Sedimentation combination device, water side is shallow water Humid Area；The sub- pool water inlet end in end is shallow water Humid Area, and water side is that plane is rectangular
Deep water Humid Area；Two sub- pool deep water wetland section lengths are the 1/3-1/2 of ecological pond length.
Further, the shallow water Humid Area and deep water Humid Area bottom of pond are provided with thickness 35cm 3 layers of base material, from it is lower extremely
Upper is respectively particle diameter Φ 2mm-8mm, layer of sand thickness 20cm river sand layer；Thickness is 5cm local dirt bed；Thickness is 10cm, directly
Footpath is 5cm-2cm metalling；The shallow water Humid Area sets retaining wall, shallow water Humid Area substrate with deep water Humid Area abutting end
Water plant is configured in upper configuration water plant, deep water Humid Area, and puts the fish at the middle and upper levels for living in water in a suitable place to breed.
Further, the floating bed sloping plate deposition combination unit is distributed by some along rectangular box horizontal by 60 ° of angles
Swash plate constitute, swash plate be provided with cultivated plant soilless culture floating bed；Floating bed sloping plate deposition combination unit is located at the alien pool
Water inlet end and deflected current wall adjacent, floating bed sloping plate deposition are combined the unit apart from upper alien pool bottom 0.6m.
Further, the upper alien pool water inlet end sets a deflected current wall, and deflected current wall is higher by water surface 28cm-32cm, baffling
Wall bottom far from the 28cm-32cm of pool bottom be provided with some horizontal pod apertures, a diameter of 10cm-15cm of pod apertures.
Further, the upper alien pool bottom is waste water distributed area and sludge area, and bottom of pond, which is provided with, passes through mud return line
It is communicated to the sludge pump in anaerobism strenuous primary treatment pond and aeration tank.
The present invention compared with prior art, has the advantages that:
1st, present treatment device gives full play to anaerobic bio-treated, Aerobic biological process, the advantage of three kinds of technologies of ecological pond, will
Three kinds of technical combinations, the treatment effect that solves Rural Areas at Present sewage treatment project generally existing is unstable, easy block, be difficult to reach
The problems such as mark discharge, high cost.
2nd, present treatment device sets floating bed sloping plate deposition to combine the unit and sludge pump in ecological pond, will be aerated aerobe
The sludge of processing generation is all back to anaerobism strenuous primary treatment pond and aeration tank, improves the concentration and and sewage of activated sludge
Mixability, extend sludge retention time, be conducive to denitrogenation and remove COD.Simultaneously by carrying out Anaerobic Treatment to sludge,
The volume of sludge is greatly reduced, the problem of Treatment of Sludge is solved.
3rd, present treatment device sets combined stuffing in aeration tank, while carrier is provided for biochemical reaction microorganism,
With dead band percentage is reduced, promote sludge settling, reduce sludge loss function, improve the concentration of activated sludge.
4th, present treatment device sets floating bed sloping plate deposition to combine the unit in ecological pond, the group of floating bed and inclined plate sedimentation device
Close, while beneficial to sloping plate deposition, promote the mobility of floating bed plant root area water, be conducive to purification of the floating bed to sewage.
5th, present treatment device sets deflected current wall, and ecological pond is separated into the sub- pool of 2 series connection, and every sub- pool is water inlet end
Narrow, water side broadens approximate spindle, sets three-way flow guide pipe aeration tank is changed into bottom water inlet by top water inlet, by changing
Become flow path and extend stop reaction time of the sewage in processing unit, reduce dead band percentage.
6th, present treatment device plants the roomy trees of tree crown on ecological pond surrounding bank, and summer forms dense on the water surface
Tree shade, can suppress the raised growth of phytoplankton, prevent that effluent quality from deteriorating.Profundal zone and shallow water are designed in ecological pond simultaneously
Area, configures water plant, puts the fish of certain species in a suitable place to breed, is conducive to ensureing the healthy and stable of the ecosystem.
7th, present treatment device is in addition to water inlet and outlet pipe, using Inlet and outlet water under liquid level, can effectively prevent top layer floating object
Flow into next processing unit.
8th, present treatment device anaerobism strenuous primary treatment pond, in aeration tank suspension be suitable for the combined stuffing of bio-film colonization, can enter
One step improves Biochemical Treatment, and combined stuffing can prevent the biomembrane discharge that comes off away from liquid level about 30cm-40cm, influence water quality,
Can be advanced treating headspace away from bottom of pond about 50cm.
9th, the apparatus structure is simple, easy for installation, without complex device in device.Package unit only one of which sludge pump and one
Platform aeration pump needs external energy, and energy-saving effect is obvious.Regular maintenance is mainly maintenance to this two pumps, and this two pumps can be with
Integral demounting, changes speed soon, and do not influence the operation of equipment.Device fully automatic operation, it is daily unattended, only need to periodically it examine
Look into.Therefore with significant economic and social benefit.
Present invention optimizes traditional anaerobism, aerobic combination handling process, extend dwell time of sewage, improve sewage with
The mixability of activated sludge, particularly constructs a kind of novel ecological pool, and the sludge whole for pool bottom being deposited in after aeration
Be back to anaerobism strenuous primary treatment pond, solve that traditional countryside sewage disposal sludge yield is big, intractable problem, with into
This low cost, operating cost are low, efficient, the features such as easily promote.
Brief description of the drawings
Fig. 1 is apparatus of the present invention planar structure schematic diagram.
Fig. 2 is vertical cross section structural representation of the present invention.
In figure：1- anaerobism strenuous primary treatments pond；The pretreatment pools of 1-1- first；The pretreatment pools of 1-2- second；1-3- the 3rd is pre-
Processing pond；2- aeration tanks；The upper alien pools of 3-；4- ends Zi Tang；5- mud return lines；6- three-way flow guide pipes；(the perforation of 7- access holes
Plate)；8- blast aeration tanks；9- combined stuffings；10- mozzles I；11- sludge pumps；12- floating beds sloping plate deposition is combined the unit；13-
Shallow water Humid Area；14- mozzles II；15- deep water Humid Area；16- water inlet pipes；17- outlet pipes；18- overflow venting channels；19-
Deflected current wall.
Embodiment
Present disclosure is described in further detail below in conjunction with the accompanying drawings.
Shown referring to Figures 1 and 2, this is used for the biological and ecological composite handling arrangement of rural sewage treatment, including mutually divides
Every, the anaerobism strenuous primary treatment pond 1 that is sequentially connected in series setting, three units in aeration tank 2 and ecological pond.
Wherein, anaerobism strenuous primary treatment pond 1 includes three interconnected pretreatment pools, and three interconnected anaerobism are strong
Change pretreatment pool 1 is the first pretreatment pool 1-1, the second pretreatment pool 1-2 and the 3rd pretreatment pool 1-3；First pretreatment pool 1-1
On be connected with water inlet pipe 16, connected between the first pretreatment pool 1-1 and the second pretreatment pool 1-2 by communicating pipe, the second pre- place
It is divided into Liang Ge areas, the bottom insertion of Liang Ge areas, the pond adjacent with the 3rd pretreatment pool 1-3 provided with deflection plate in reason pond 1-2
Combined stuffing 9 (Yixing City clean brook environment-friendly filler Co., Ltd can be purchased from) is provided with body；Group is provided with 3rd pretreatment pool 1-3
Filler 9 (ibid) is closed, the second pretreatment pool 1-2 is connected with the 3rd pretreatment pool 1-3 by three-way flow guide pipe 6, three-way flow guide pipe 6
It is through to the bottom of combined stuffing 9；Three interconnected pond body sidewalls of anaerobism strenuous primary treatment pond 1 are provided with overflow venting channels
18.Overflow venting channels 18 are some high about 20cm rectangular opening or circular hole, position in anaerobism strenuous primary treatment pond 1 and aeration tank 2
Under access hole (perforated plate), against ground, its purpose set is overflow sewage and ventilation, in the not smooth situation of pipeline flowing water
Lower ensuring equipment operation.
In the present apparatus, anaerobism strenuous primary treatment pond 1 and aeration tank 2 use reinforced concrete structure.Ecological pond uses geotechnique side
Method is built, about 60 ° of the side slope of surrounding, using the antiseepage such as HDPE density polyethylene film with high and antiseepage blanket (GCL), the folding in ecological pond
Stream wall uses masonry structure.The caliber 100mm-200mm such as water inlet pipe, outlet pipe, mozzle, mud return line in device, according to
Water, water quality situation etc. is handled to determine.
Access hole 7 is equipped with each pretreatment pool in anaerobism strenuous primary treatment pond 1 and aeration tank 2, by 7 pairs of access hole
Device is overhauled and debugged.
Wherein, it is connected between aeration tank 2 and anaerobism strenuous primary treatment pond 1 by three-way flow guide pipe 6, three-way flow guide pipe 6
Water inlet is located under the liquid level of anaerobism strenuous primary treatment pond 1 at 20cm-30cm, and the delivery port of three-way flow guide pipe 6 is away from aeration tank bottom
40cm-60cm.Combined stuffing 9 (ibid) is provided with aeration tank 2, the bottom of aeration tank 2 sets blast aeration tank 8, three-way flow guide pipe 6
It is through to the bottom of combined stuffing 9 and blast aeration tank 8 is positioned opposite, the combined stuffing 9 on blast aeration tank 8 is away from bottom of pond
48cm-53cm, away from liquid level 38cm-42cm.Anaerobism strenuous primary treatment pond 1,2 liang of aeration tank tank depth are 5m-8m, depth of water 4-7m.
Wherein, aeration tank 2 is connected with ecological pond by mozzle I 10, and ecological pond is rectangle, and 2 are separated into by deflected current wall
The sub- pool 4 in the alien pool 3 and end on the pond being interconnected down through mozzle II 14, every sub- pool is that water inlet end is narrow, gone out
Water end (W.E.) broadens, and reduces the approximate spindle in dead band, and plane is short-circuit in current are unfavorable for；Every Zi Tang water sides width is ecology
The 1/3 of pool length, water inlet end width is the 1/3-1/2 of water side width.Mozzle I 10 and life between aeration tank and ecological pond
The mozzle II 14 connected between the Liang Gezi pools of the state pool is horizontal pod apertures or mozzle, at the 20cm-30cm of underwater.
Two ponds are respectively divided into shallow water Humid Area 13 and deep water Humid Area 15, and the upper water inlet end of the alien pool 3 is in for plane
Floating bed sloping plate deposition combination unit 12 is set in the deep water Humid Area of rectangle, area, and water side is shallow water Humid Area 13；End Zi Tang
4 water inlet ends are shallow water Humid Area 13, and water side is the rectangular deep water Humid Area 15 of plane；Two sub- pool deep water wetland section lengths
It is the 1/3-1/2 of ecological pond length.
The bottom of pond of shallow water Humid Area 13 be provided with thickness 35cm 3 layers of base material, from bottom to top respectively particle diameter Φ 2mm-8mm,
Layer of sand thickness 20cm river sand layer；Thickness is 5cm local dirt bed；Thickness is 10cm, a diameter of 5cm metalling；First insert
Water plant is configured in river sand layer, the local soil in one layer of river sand layer upper berth, the upper berth rubble of soil, substrate.Shallow water Humid Area 13
Water plant is configured in substrate, depth of water 30-40cm, plant cover degree is more than 70%.
Deep water Humid Area 15 and the layer material of shallow water Humid Area identical 3, only the diameter of upper strata rubble be changed to about 2cm,
Water plant, plant cover degree about 30% are configured in substrate, and puts the silver carp at the middle and upper levels for living in water, bighead, Erythroculter fishes etc., water in a suitable place to breed
Deep about 160cm.
Shallow water Humid Area 13 sets retaining wall, the base material slightly above laid, purpose with the abutting end of deep water Humid Area 15
It is that the base material for preventing laying is lost in.
The upper water inlet end of the alien pool 3 sets a deflected current wall 19, and deflected current wall 19 is higher by water surface 28cm-32cm, the bottom of deflected current wall 19
Away from the 28cm-32cm of pool bottom be provided with some horizontal pod apertures, water conservancy diversion bore dia about 10cm-15cm.Floating bed sloping plate deposition combination dress
Put 12 and be located at the water inlet end of the alien pool 3 and deflected current wall adjacent, floating bed sloping plate deposition combination unit 12 is apart from the upper bottom of the alien pool 3
0.6m.Floating bed sloping plate deposition combination unit 12 is made up of some along rectangular box horizontal plane in the swash plate of 60 ° of angle distributions, its swash plate
1.0m is about, there is the about 0.3m depth of water on swash plate 60~100mm of clear spacing, the upper strata of swash plate, soilless culture floating bed is set wherein,
Transplant the plants, plant cover degree about 30% such as canna, cattail, calamus, Chinese celery；There is the about 0.6m depth of water in the lower floor of swash plate, as
Sludge pump is set in waste water distributed area and sludge area, sludge area.Bottom of pond is provided with is communicated to anaerobism reinforcing in advance by mud return line 5
Sludge pump 11 in processing pond 1 and aeration tank 2.Ecological pond top is provided with outlet pipe 17, and surrounding bank kind is implanted with the roomy cyclopentadienyl of tree crown
Close trees.
Apparatus of the present invention give full play to anaerobic bio-treated, Aerobic biological process, the advantage of three kinds of technologies of ecological pond, by three
Plant technical combinations formation biological-ecological composite handling arrangement.Inlet pipeline is connected with anaerobism strenuous primary treatment pond in the device,
By three-way flow guide pipe, portion underwater enters aeration tank bottom from it in anaerobism strenuous primary treatment pond, and aeration tank top passes through water conservancy diversion
Pipe from ecological pond is entered under water, and ecological pond top is by outlet pipe discharge system, into advanced treating facility or external environment.It is ecological
Sludge is periodically back to anaerobism strenuous primary treatment pond and aeration tank using sludge pump in the pool, does not transport outward, every the several years from anaerobism
1 sludge is removed in strenuous primary treatment pond.Ecological pond is daily to aeration tank returned sludge, return sludge ratio 20%~80%；To
The time interval of anaerobism strenuous primary treatment pond returned sludge is determined according to the actual yield of sludge.
The roomy trees of ecological pond surrounding bank plantation tree crown, summer forms dense tree shade on the water surface.
The present apparatus produces feature, aeration tank daytime 7 according to domestic sewage in rural areas:00-24:00 intermittent aerating, 7:00 starts
Aeration, each aeration time 1 hour stops the exposure time 3 hours, and night stops aeration, and the energy can be using electric energy, solar energy etc..Detest
2 days to 5 days strenuous primary treatment tank waterpower residence time of oxygen, aeration tank hydraulic detention time about 1 day, ecological pond hydraulic detention time
No less than 1 day.Sludge all should flow back daily in the profundal zone of the alien pool on ecological pond, dirty in the sub- pool deep water Humid Area in ecological pond end
The desilting cycle is longer, determines depending on pollution siltation volume, generally higher than 1 year.If handling other country sewages such as breeding wastewater, basis is needed
Influent quality, water feature adjusted design, operational factor.
Special instruction：In the case that the suspension of the bulk such as plastic bottle, refuse bag or floating object are more in water inlet, need to increase before device
If coarse rack.
When apparatus of the present invention work, the top of anaerobism strenuous primary treatment pond 1 is connected with water inlet pipe 16, anaerobism strenuous primary treatment pond
1 by three-way flow guide pipe 6 from it portion underwater enter the bottom of aeration tank 2, the upper clear supernate of aeration tank 2 by mozzle I 10 from
Enter the upper alien pool 3 under water, the sub- pool 4 in end is entered by mozzle II 14, upper clear supernate is entered by the discharge system of outlet pipe 17
Enter advanced treating facility or external environment.Periodically to be back to anaerobism strong using sludge pump 11 for sludge in the upper sub- pool 4 in the alien pool 3 and end
Change pretreatment pool 1 and aeration tank 2, do not transport outward, 1 sludge is removed out of anaerobism strenuous primary treatment pond every the several years.Upper alien
The pool 3 is daily to the returned sludge of aeration tank 2, return sludge ratio 20%~80%；To the returned sludge of anaerobism strenuous primary treatment pond 1 when
Between be spaced and determined according to the actual yield of sludge.The dredging sludge cycle is longer in the sub- pool 4 in end, fixed depending on sludge siltation volume, typically
More than 1 year, upper strata mud scum is removed with sludge pump, anaerobism strenuous primary treatment pond 1 is back to, can also be used as fertilizer also field.Annual
Season in late autumn, water plant 1 time in ecological pond should be gathered in.
One embodiment of the present apparatus is given below to further illustrate effect of the present invention.
The lab scale for designing anaerobism strenuous primary treatment pond and aeration tank series connection is tested, continuum micromeehanics, liter/day of amount of inlet water 30,
3 days anaerobism strenuous primary treatment pond residence times, 12 hours aeration tank residence times, daily aeration time 5 hours, influent COD is
300mg/L, TN 30mg/L, TP 4.5mg/L.As a result show：Anaerobism strenuous primary treatment pond COD clearances are 60%, TN and TP
Clearance is relatively low, even negative value；At room temperature, COD, TN and TP clearance are respectively 85%, 73%, 32% to whole system.
The end of the year 2013, present treatment device builds up demonstration project, 40-50 cubes/day of processing water in Xi'an community.Due to
Ecological pond is not built in soil shortage, only builds up the processing unit of two series connection in anaerobism strenuous primary treatment pond and aeration tank, and no backflow is set
Meter.About 2 days anaerobism strenuous primary treatment pond residence times, about 16 hours aeration tank residence times；Enter merely with solar energy on daytime
The row short time is aerated.The data of operation shows, influent COD 350-390mg/L, TN 71-93mg/L, TP7-13mg/L；
Anaerobism strenuous primary treatment pond water outlet COD about 140mg/L, TN and TP clearances are relatively low, more below 20%；Through the aerobic place in aeration tank
After reason, water outlet COD 45-60mg/L, TN 30-35mg/L.TP clearances are still relatively low, and reason is that water outlet is straight after Air Exposure
Run in and put, precipitation process is not carried out.
According to the ecological wastewater processing research carried out before inventor, at the wetland, ecological pond water largely carried out
Reason research and engineering practice, in the case of influent COD 400mg/L, TN 80mg/L, TP 10mg/L, package unit of the present invention
Water outlet COD, TN, TP can be respectively controlled in 50mg/L, 20mg/L, below 3mg/L.
Claims (7)
1. a kind of biological and ecological composite handling arrangement for rural sewage treatment, including mutually separate, be sequentially connected in series setting
Anaerobism strenuous primary treatment pond, three units in aeration tank and ecological pond, it is characterised in that：The anaerobism strenuous primary treatment pond includes three
Water inlet pipe is connected with individual interconnected pretreatment pool, the anaerobism strenuous primary treatment pond, anaerobism strenuous primary treatment pond is with exposing
It is connected between gas pond by three-way flow guide pipe；Combined stuffing is provided with the aeration tank, three-way flow guide pipe is through to combination and filled out
Expect that bottom and blast aeration tank are positioned opposite, aeration tank side wall is communicated with the mozzle of ecological pond；The ecological pond includes two
The individual upper alien pool for being serially connected connection and end Zi Tang, every sub- pool include shallow water Humid Area and deep water Humid Area, upstream
The deep water Humid Area on the sub- pool sets floating bed sloping plate deposition combination unit, the sub- pool deep water Humid Area configuration water plant in end and fish
Class；Sludge reflux pump installation is set in ecological pond, and surrounding bank kind is implanted with the dense trees of tree crown；
Described three interconnected anaerobism strenuous primary treatment ponds are the first pretreatment pool, the second pretreatment pool and the 3rd pretreatment
Pond；It is divided into Liang Ge areas, Liang Ge areas bottom insertion, with the 3rd pretreatment pool provided with deflection plate in second pretreatment pool
Combined stuffing is provided with adjacent pond body；Provided with the combination that its bottom is through to by three-way flow guide pipe in 3rd pretreatment pool
Filler；Three interconnected anaerobism strenuous primary treatment pond pond body sidewalls are provided with overflow venting channels；
The ecological pond is rectangle, and 2 upper alien pools connected and end Zi Tang are separated into by deflected current wall, and every sub- pool is entered
The spindle that water end (W.E.) is narrow, water side is wide；Every Zi Tang water sides width is the 1/3 of ecological pond length, and water inlet end width is water outlet
Hold the 1/3-1/2 of width；
The upper alien pool bottom is waste water distributed area and sludge area, and bottom of pond is provided with is communicated to anaerobism reinforcing by mud return line
Sludge pump in pretreatment pool and aeration tank.
2. the biological and ecological composite handling arrangement according to claim 1 for rural sewage treatment, it is characterised in that：Institute
The three-way flow guide water inlet tube mouthful that anaerobism strenuous primary treatment pond connects with aeration tank is stated to be located under the liquid level of anaerobism strenuous primary treatment pond
At 20cm-30cm；The three-way flow guide pipe delivery port is away from aeration tank bottom 40cm-60cm.
3. the biological and ecological composite handling arrangement according to claim 1 for rural sewage treatment, it is characterised in that：Institute
State aeration tank bottom and the combined stuffing on blast aeration tank, blast aeration tank is set away from bottom of pond 48cm-53cm, away from liquid level
38cm-42cm。
4. the biological and ecological composite handling arrangement according to claim 1 for rural sewage treatment, it is characterised in that：Institute
It is that floating bed sloping plate deposition combination unit, water side are set in the rectangular deep water Humid Area of plane, area to state alien pool water inlet end
For shallow water Humid Area；The sub- pool water inlet end in end is shallow water Humid Area, and water side is the rectangular deep water Humid Area of plane；Two sons
Pool deep water wetland section length is the 1/3-1/2 of ecological pond length.
5. the biological and ecological composite handling arrangement according to claim 4 for rural sewage treatment, it is characterised in that：Institute
3 layers of base material that shallow water Humid Area is provided with thickness 35cm with deep water Humid Area bottom of pond are stated, from bottom to top respectively particle diameter Φ 2mm-
8mm, layer of sand thickness 20cm river sand layer；Thickness is 5cm local dirt bed；Thickness is 10cm, a diameter of 5cm-2cm rubble
Layer；The shallow water Humid Area sets with deep water Humid Area abutting end and configure water plant in retaining wall, shallow water Humid Area substrate, deep
Water plant is configured in meadow bog area, and puts the fish at the middle and upper levels for living in water in a suitable place to breed.
6. the biological and ecological composite handling arrangement according to claim 4 for rural sewage treatment, it is characterised in that：Institute
State floating bed sloping plate deposition combination unit to be made up of some swash plates being distributed horizontal by 60 ° of angles along rectangular box, set on swash plate
There is the soilless culture floating bed of cultivated plant；It is adjacent with deflected current wall that floating bed sloping plate deposition combination unit is located at alien pool water inlet end
Place, floating bed sloping plate deposition is combined the unit apart from upper alien pool bottom 0.6m.
7. the biological and ecological composite handling arrangement according to claim 1 for rural sewage treatment, it is characterised in that：Institute
State alien pool water inlet end and one deflected current wall is set, deflected current wall is higher by water surface 28cm-32cm, and deflected current wall bottom is far from pool bottom 28cm-
Some horizontal pod apertures, a diameter of 10cm-15cm of pod apertures are provided with 32cm.
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| CN105236671B (en) * | 2015-09-30 | 2018-01-19 | 宁波中车时代传感技术有限公司 | A kind of ecological green land sewage disposal system and its method |
| CN105417841A (en) * | 2015-11-03 | 2016-03-23 | 南平正大欧瑞信生物科技开发有限公司 | Rural domestic sewage treatment system and method |
| CN106745780A (en) * | 2017-01-15 | 2017-05-31 | 海宁蒙努皮革制品有限公司 | The biological treatment system of leather sewage |
| CN106938880B (en) * | 2017-05-16 | 2022-09-16 | 江西益洁环保技术有限公司 | Combined rural domestic sewage treatment system |
| CN107055804A (en) * | 2017-06-02 | 2017-08-18 | 苏州天瑞环境科技有限公司 | Black-odor riverway original position classification processing system |
| CN107459130B (en) * | 2017-09-07 | 2023-06-13 | 陕西省环境科学研究院 | Intermittent aeration circulation type biochemical reactor and intermittent aeration circulation method |
| CN109354182B (en) * | 2018-12-14 | 2024-03-19 | 中国科学院武汉植物园 | Ecological device for household sewage treatment and reclaimed water recycling |
| CN113512927A (en) * | 2021-08-26 | 2021-10-19 | 中建八局第二建设有限公司 | Construction method of sand-based breathable anti-seepage blanket for reconstruction of heavily-polluted water body |
| CN115974284A (en) * | 2022-12-30 | 2023-04-18 | 广东广深环保科技股份有限公司 | Sewage treatment method based on ecological floating island coupling mud-water separation tank |
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| CN102219332B (en) * | 2010-04-15 | 2014-07-02 | 上海欧保环境科技有限公司 | Novel technology for treating domestic sewage in rural area |
| CN102701448B (en) * | 2012-05-09 | 2013-07-03 | 河海大学 | Rural domestic sewage reutilization treatment device |
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