CN105439286B - A kind of vertical current sewage ecological treatment system - Google Patents
A kind of vertical current sewage ecological treatment system Download PDFInfo
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- CN105439286B CN105439286B CN201510904047.5A CN201510904047A CN105439286B CN 105439286 B CN105439286 B CN 105439286B CN 201510904047 A CN201510904047 A CN 201510904047A CN 105439286 B CN105439286 B CN 105439286B
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- 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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- 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
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
Abstract
The present invention relates to vertical current sewage ecological treatment system, including pond body, the first floatation type biofilm reactor and the second floatation type biofilm reactor, pond body includes sludge area, anaerobic zone, anoxic zone and the aerobic zone set from bottom to top；The upper and lower ends of first floatation type biofilm reactor and the upper and lower ends of the second floatation type biofilm reactor are opening, the quantity of first floatation type biofilm reactor is some, the quantity of second floatation type biofilm reactor is some, first floatation type biofilm reactor and the second floatation type biofilm reactor are in pond body, and first floatation type biofilm reactor be located at the second floatation type biofilm reactor front, for sewage carry out multistep treatment；The side wall in pond body sludge area is provided with multiple water inlets, and water inlet connects water inlet pipe, and multiple water inlet pipes are corresponding with the bottom of the first floatation type biofilm reactor and the second floatation type biofilm reactor respectively；The rear end of pond body is additionally provided with delivery port.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to vertical current sewage ecological treatment system.
Background technology
Industrialization and the development of modern agriculture also bring the serious of water environment while huge material wealth is created
Pollution, required in China " 12 " planning, the upgrading of sewage treatment plant should be accelerated, to the built sewage treatment facility in part
Upgrading is carried out, further improves the reduction ability to major pollutants, while also requires to actively promote reclaimed wastewater reuse.
At present, it is domestic frequently with sewage disposal technology have：A2O techniques+coagulating precipitation+filtering+sterilization or more
Mode A 2O+ denitrification filter pools+coagulating precipitation+filtering+sterilization, also some use French Veolia technology as the two of representative
Technique, wherein the A2O methods such as level processing+denitrification filter pool+coagulating high speed pellets+sterilization are also known as AAO methods, are English
The abbreviation (anaerobic- anoxic- oxic method) of Anaerobic-Anoxic-Oxic first letters, is a kind of conventional sewage disposal
Technique, the flow chart of common sewage treatment process is as shown in figure 1, the basic characteristics of this sewage treatment process are handling processes
Long, structures horizontal layout, floor space is big, and sewage at least needs second lift, in order to remove total nitrogen, needs in most cases
Additional carbon is wanted, causes processing cost higher.And processing environment is poor, the water surface muddiness of structures, sludge handling process are handled
In have peculiar smell generation, equally pollute the environment, cause the not thorough of sewage disposal.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is that solve that existing sewage treatment process is bad to the effect of sewage disposal, expense
With it is higher the problem of.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of vertical current sewage ecological treatment system, its feature to exist
In：Divide from bottom to top including pond body, the first floatation type biofilm reactor and the second floatation type biofilm reactor, the pond body
For sludge area, anaerobic zone, anoxic zone and aerobic zone；The upper and lower ends of the first floatation type biofilm reactor and the second floating
The upper and lower ends of formula biofilm reactor are opening, and the quantity of the first floatation type biofilm reactor is some, and described
The quantity of two floatation type biofilm reactors is some, and the first floatation type biofilm reactor and the second floatation type biomembrane are anti-
Device is answered in the pond body, and the first floatation type biofilm reactor is located at the second floatation type biomembrane reaction
The front of device, multistep treatment is carried out to sewage for realizing；The side wall in the pond body sludge area is provided with multiple water inlets, described
Water inlet connect water inlet pipe, multiple water inlet pipes respectively with the first floatation type biofilm reactor and the second floatation type
The bottom of biofilm reactor corresponds, for realizing that sewage is given birth in the first floatation type biofilm reactor and the second floatation type
The inside and outside progress of thing membrane reactor circulates up and down；The rear end of the pond body is additionally provided with delivery port, for the sewage after processing to be arranged
Go out.
Wherein, the inside of the first floatation type biofilm reactor is provided with biologic packing material and the first floatation type aerator,
Biologic packing material and the second floatation type aerator are provided with the second floatation type biofilm reactor.
Wherein, underwater cut-off is additionally provided with the pond body, the quantity separated under water is several, several described water
Lower cut-off is parallel and is arranged at intervals, and the pond body is divided into multi-stage sewage treatment region, adjacent two underwater cut-offs respectively with
Gap is provided between relative two side wall of the pond body, adjacent two-stage sewage diposal area is connected by gap, multistage institute
State sewage diposal area and form S-shaped water stream channel with the gap.
Wherein, the sewage diposal area is included from preceding several first treatment regions then set and several second processings
Area, each first treatment region is interior to be provided with several the first floatation type recycle stream biofilm reactors, at each described second
Reason is provided with several the second floatation type recycle stream biofilm reactors in area.
Wherein, the sewage diposal area also includes several advanced treating areas, and the advanced treating area is located at described second
The rear for the treatment of region, sludge area, anaerobic zone, anoxic zone and the aerobic zone are only located at first treatment region and second processing
Area.
Wherein, first treatment region and the second processing area are equipped with biological floating island, and the biological floating island is swum in
On the water surface；The advanced treating area is provided with floating living filter bed, and the floating living filter bed is swum on the water surface.
Wherein, the sewage diposal area also includes disinfection reactions area, and the disinfection reactions area is located at the advanced treating area
Rear, be provided with disinfectant throwing mechanism and water flow measuring tank in the disinfection reactions area.
Wherein, the top in the sludge area is provided with return duct, and the water inlet of the return duct is at the second of rearmost end
Area is managed, the delivery port of the return duct is located at the treatment region of front end first, and the water inlet of the return duct is connected with reflux pump.
Wherein, multiple water inlets are located at the middle part of the side wall in the sludge area.
Wherein, the pond body is handled using geomembrane anti-seepage.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：Vertical current sewage ecological treatment system bag provided by the invention
Pond body, the first floatation type biofilm reactor and the second floatation type biofilm reactor are included, pond body includes what is set from bottom to top
Sludge area, anaerobic zone, anoxic zone and aerobic zone, several the first floatation type biofilm reactors and several second floatation types are given birth to
Thing membrane reactor is in pond body, and the first floatation type biofilm reactor is before the second floatation type biofilm reactor
Side, the water inlet pipe of water inlet connection and the bottom of the first floatation type biofilm reactor and the second floatation type biofilm reactor
Corresponding, the upper and lower ends of the first floatation type biofilm reactor and the second floatation type biofilm reactor are open, and sewage is from entering
Water pipe is entered in the first floatation type biofilm reactor and the second floatation type biofilm reactor, and can be given birth in the first floatation type
Inside and outside deodorization and the denitrification effect for circulating up and down, realizing sewage of thing membrane reactor and the second floatation type biofilm reactor,
Sewage is handled sewage during upper and lower circulation by anaerobism, anoxic zone and aerobic zone, finally from the water outlet of rear end
Clean water after mouth outflow processing, sewage pass through the first floatation type biofilm reactor and the second floatation type during outflow
The multiple processing of biofilm reactor, and realize anoxic and it is aerobic be run multiple times, it is achieved thereby that sewage takes off to greatest extent
Nitrogen and dephosphorization, its treatment effect is more preferable, and sludge area, anaerobic zone, anoxic zone and the aerobic zone three-dimensional of the present invention are arranged in one
In individual pond body, the floor space of system is reduced, investment and operating cost substantially reduce.
Brief description of the drawings
Fig. 1 is the flow chart of sewage disposal system of the prior art；
Fig. 2 is the structural representation for the vertical current sewage ecological treatment system that embodiments of the invention provide；
Fig. 3 Fig. 2 top view (removes the first floatation type biofilm reactor, the second floatation type biofilm reactor and biology
Outside chinampa)；
Fig. 4 is the process chart of vertical current sewage ecological treatment system.
In figure：1：Pond body；2：First floatation type biofilm reactor；3：Second floatation type biofilm reactor；10：First
Treatment region；11：Second processing area；12：Advanced treating area；13：Disinfection reactions area；20：First floatation type aerator；30：Second
Floatation type aerator；40：Biological floating island；50：Floating living filter bed；60：Water inlet pipe；70：Return duct；80：Reflux pump；90：Water
Lower cut-off；101：Sludge area；102：Anaerobic zone；103：Anoxic zone；104：Aerobic zone；130：Disinfectant throwing mechanism；131：Go out
The mouth of a river.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with
On；The orientation of the instruction such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.It is right
For one of ordinary skill in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figures 2 and 3, a kind of vertical current sewage ecological treatment system provided in an embodiment of the present invention, its feature exist
In：Including pond body 1, the first floatation type biofilm reactor 2 and the second floatation type biofilm reactor 3, pond body 1 include from lower and
Sludge area 101, anaerobic zone 102, anoxic zone 103 and the aerobic zone 104 of upper setting, as shown in Fig. 2 for ease of illustration in pond body
Situation, dotted line separates sludge area 101, anaerobic zone 102, anoxic zone 103 and aerobic zone 104 in figure, actually has no obvious
Line of demarcation；The upper and lower ends of first floatation type biofilm reactor 2 and the upper and lower ends of the second floatation type biofilm reactor 3 are equal
For opening, the quantity of the first floatation type biofilm reactor 2 is some, and the quantity of the second floatation type biomembrane is some, the first floating
Aerobic zone 104 and anaerobic zone 102 of the floatation type biofilm reactor 3 of formula biofilm reactor 2 and second in pond body 1
Opening position, and the first floatation type biofilm reactor 2 is located at the front of the second floatation type biofilm reactor 3, for realization pair
Sewage carries out multistep treatment, and sewage flows to rear end (before as shown in Figure 3 and Figure 4, the left end of pond body is in processing procedure from front end
End, right-hand member is rear end), pass through several the first floatation type biofilm reactors 2 and the second floatation type biomembrane in flow process
The processing of reactor 3, realize the multistep treatment to sewage；The side wall in the sludge area 101 of pond body 1 is provided with multiple water inlets, water inlet
Mouth is located at the middle part of the side wall of sludge area 101, water inlet connection water inlet pipe 60, and multiple water inlet pipes 60 are given birth to the first floatation type respectively
The bottom of the floatation type biofilm reactor 3 of thing membrane reactor 2 and second corresponds, for realizing that sewage is given birth in the first floatation type
The inside and outside progress that the floatation type of thing membrane reactor 2 and second gives birth to reactor of exorcising a demon circulates up and down；The rear end of pond body 1 is additionally provided with delivery port
131, for the sewage after processing to be discharged.It should be noted that arrow direction is the direction of current in Fig. 3 and Fig. 4.
Sewage is entered in pond body 1 from water inlet, successively by the top in sludge area 101, anaerobic zone 102, anoxic zone 103
With aerobic zone 104, then fall, realize sewage in the first floatation type biofilm reactor 2 and the second floatation type biomembrane reaction
Upper and lower inside and outside device 3 circulates, and sewage realizes organic matter degradation and nitrifying process in aerobic zone 104, and the sewage of backflow is lacking
Oxygen area 103 carries out denitrification, realizes the removal of total nitrogen, and sewage completes anaerobic degradation in anoxic zone 103, includes the water of organic matter
Solution, methanation and can hypostasis sedimentation, at anaerobic zone 102 COD clearance be 40%~60%, sludge area 101 is sludge
Anaerobic nitrification and memory block, anaerobic zone 102, anoxic zone 103 and sludge caused by aerobic zone 104 sink to sludge area, by detesting
Oxygen nitrification carries out minimizing, stabilization processes, and caused dissolved organic matter enters anaerobic zone 102, lacked in sludge nitrifying process
Oxygen area 103 and aerobic zone 104 are reprocessed, it is inorganization after sludge then sink to the bottom in sludge area 101.
Further, the inside of the first floatation type biofilm reactor 2 is provided with biologic packing material and the first floatation type aerator
20, biologic packing material and the second floatation type aerator 30 are provided with the second floatation type biofilm reactor 3.Sewage is from the first floatation type
The bottom of biofilm reactor 2 and the bottom of the second floatation type biofilm reactor 3 enter the first floatation type biomembrane reaction
The inside of the floatation type biofilm reactor 3 of device 2 and second, carry out reaction with biologic packing material and realize denitrification and deodorization, while
In the presence of first floatation type aerator 20 and the second floatation type aerator 30, sewage is in the first floatation type biomembrane reaction and
Circulation greatly strengthen the denitrification effect of system up and down for two floatation type biofilm reactors, 3 inside and outside realization, and enhance biology
Deodorizing effect of the filler to sewage.
Further, underwater cut-off 90 is additionally provided with pond body 1, the quantity of underwater cut-off 90 is several, and several are underwater
Length direction of the cut-off 90 along pond body 1 is parallel and is arranged at intervals, and pond body 1 is divided into multi-stage sewage treatment region, adjacent two
Underwater cut-off 90 is provided with gap between relative two side wall with pond body 1 respectively, adjacent two-stage sewage diposal area by
Gap connects, and multi-stage sewage treatment region forms S-shaped water stream channel with gap.Sewage is entered in sewage diposal area from water inlet,
Reaction is completed in sewage diposal area, and because the pressure of delivery port 131 is smaller, sewage can flow to delivery port 131, and underwater cut-off 90 is not
Only it is separated out multi-stage sewage treatment region so that sewage passes through multistep treatment during being flowed in rear end, while separates 90 under water
The water stream channel of the gap formed between side wall, gap and multi-stage sewage treatment region formation S-shaped plays the work of drainage to sewage
With.Sewage diposal area includes from preceding several first treatment regions 10 then set and several second processing areas 12 again, wherein
Oxygen concentration in first treatment region 10 is relatively low, and the oxygen concentration in second processing area 12 is higher, according to the width of each treatment region, often
Several the first floatation type biofilm reactors 2 are provided with individual first treatment region 10, are provided with each second processing area 12 some
Individual second floatation type biofilm reactor 3.
Sewage diposal area also includes several advanced treating areas 12, after advanced treating area 12 is located at second processing area 12
Side, advanced treating area 12 integrate the functions such as reaction, filtering, absorption, and sludge area 101, anaerobic zone 102, anoxic zone 103 are become reconciled
Oxygen area 104 is only located at the first treatment region 10 and second processing area 12.First treatment region 10 and second processing area 12 are equipped with biology
Chinampa 40, biological floating island 40 are swum on the water surface, to capture caused aerosol in aeration process, slow down the shadow for surrounding environment
Ring；Advanced treating area 12 is provided with floating living filter bed 50, and floating living filter bed 50 is swum on the water surface, and its function is further to go
Except the suspension in the outflow water out of second processing area 12, and can play a part of beautifying the environment and purifying air.Sewage disposal
Area also includes disinfection reactions area 13, and disinfection reactions area 13 is located at the rear in advanced treating area 12, is provided with and disappears in disinfection reactions area 13
Toxic agent throwing mechanism 130, the water stream channel of S-shaped also is provided with disinfection reactions area 13, to the water of the outflow out of advanced treating area 12
Carry out disinfection, be additionally provided with water flow measuring tank, the water flowed out from delivery port 131 can be detected, delivery port 131 is located at going out
Corresponding to water ga(u)ge measuring tank on the rear end face of pond body 1.
As shown in figure 3, in the present embodiment, the quantity of dividing plate 90 is 7, and pond body is divided into 8 sewage diposal areas, wherein
The quantity of first treatment region is 2, and the quantity in second processing area is 3, and the quantity in advanced treating area is 2, disinfection reactions area
Quantity be 1, the quantity for the treatment of regions at different levels is not known, and can rationally be set according to actual conditions.
The top in sludge area 101 is provided with return duct 70, and the water inlet of return duct 70 is located at the second processing area 12 of rearmost end,
The delivery port 131 of return duct 70 is located at the first treatment region of front end 10, and the water inlet of return duct 70 is connected with reflux pump 80.Sludge
The top in area 101 is the mixed liquor of sludge and sewage, and return duct 70 is by the first treatment region 10 of mixed-liquor return to front end, reality
Multistep treatment is now carried out again to mixed liquor.
Further, pond body 1 is handled using geomembrane anti-seepage.Expenditure of construction is significantly less than traditional concreting processing
Pond.
Sewage is passed through by vertical current sewage ecological treatment system provided by the invention by the way of distributing multipoint water feeding
To the inside of each first floatation type biofilm reactor 2 and the second floatation type biofilm reactor 3 of multi-stage sewage treatment region,
Current are at the uniform velocity upwardly into anaerobic zone 102, and completing larger particles can the sedimentation of suspension and the part drop of dissolved organic matter
Solution, sewage enter anoxic zone 103 and aerobic zone 104 through anaerobic zone 102, while in the first floatation type aerator 20 and the second drift
Realize in the presence of float type aerator 30 and circulate up and down, subsequent water (flow) direction becomes horizontal, flows through the realization of multi-stage sewage treatment region
The degraded of organic matter and the removal of total nitrogen, at the same it is caused molten in the capture aeration process of biological floating island 40 in sewage diposal area
Glue, slow down the influence to surrounding environment, and created conditions for bio-diversity.Sewage passes through several first treatment regions and second
Enter advanced treating area 12 after treatment region, mud-water separation is carried out in advanced treating area 12, and it is floating on the water surface by being arranged on
Dynamic bacteria bed 50 completes the advanced treating to organic matter, phosphorus etc., and the water after processing enters disinfection reactions area 13, by adding
Disinfectant, water outlet is carried out disinfection.Water after sterilization flows out from delivery port 131.
The depth of the pond body 1 of the vertical current sewage ecological treatment system of the present invention treats more than 6.5 meters to sewage
Cheng Zhong, anaerobic zone 102.Sludge settling caused by anoxic zone 103 and aerobic zone 104 is carried out to the bottom in the sludge area 101 of bottom of pond
Anaerobic nitrification, unconventional available depth and be that the anaerobic nitrification of sludge area 101 carries to the vertical distribution characteristics of water temperature stability in system
The environmental condition (temperature, basicity and dissolved oxygen control etc.) needed for biochemical reaction is supplied to be particularly suitable for.Remaining biochemical sludge and can
The soluble organic that bottom liquefaction process of the heavy organic matter in sludge area 101 is formed diffuses into anoxic zone 103, is carried for denitrification
Extra effective carbon source has been supplied, has further increased the clearance of total nitrogen.
It should be noted that bed mud mainly has three sources：The sedimentation of suspension, the sedimentation of chemical dephosphorization sludge in water inlet
With the sedimentation of biochemical sludge.It can be divided into biodegradable moieties and not biodegradable moieties by its composition.Biodegradable portion
Divide and CO2, CH4, small soluble molecules organic matter and biological residue are changed into by anaerobic digestion process.Biological residue degraded is slow
Slowly, bottom of pond will be accumulated on slowly to degrade, and remaining material eventually leaves sediment layer by all means, enters people's air or returns molten
In system water body, the various change process in participation system again.In general, when bed mud accumulation total amount is with operation in system
Between be continuously increased, this is consistent with actual conditions.But after run time long enough, the mainly not increasing of biodegradable moieties
Add.
Temperature is determined by temperature and water inlet water temperature in vertical current sewage ecological treatment system.Its temperature gradients feature
It is as follows：At approximately level, temperature depends on temperature, and in the bottom of pond body 1, temperature is then controlled by water inlet water temperature.Away from the bottom of pond body 1
Up there is the constant temperature zone of a 3~4m of height at portion 3m.In this constant temperature zone, temperature is kept substantially equilibrium, and upper and lower difference does not surpass
Cross 0.5 DEG C.Contrast experiment shows, is down to 11 DEG C from 17 DEG C away from water temperature of being intake at pond body 16m, its BOD (Biology Oxygen
Demand, it is a kind of to act on consumed dissolved oxygen content come secondary indication water body by Organic Pollution degree with microbial metabolism
One important indicator.Its definition is：Under aerobic conditions, aerobic microbiological oxidation Decomposition unit volume Organic substance in water is consumed
Free oxygen quantity, represent unit be oxygen mg/litre.It is mainly used in monitoring the pollution situation of organic matter in water body.Typically
Organic matter can be decomposed by Institute of Micro-biology, but need to consume oxygen during organic compound in microorganism decomposition water, if in water
Dissolved oxygen be not enough to supply the needs of microorganism, water body is at pollutional condition) clearance is down to 47% (now 3m from 63%
BOD clearances at depth of water pond body 1 are already close to zero).The cushioning effect because of constant temperature zone is thereby determined that, can increase reduces to water temperature
The resistivity of this unfavorable factor, while bed mud anaerobic digestion institute liberated heat can also be made full use of.Therefore, vertical current
Sewage ecological treatment system sludge area 101 provides favourable better than other sewage disposal systems for the complete digestion of pool bottom sludge
Condition.
The accumulation of the sludge mainly not increase of biodegradable moieties in system, it is mainly in sewage plant water inlet that it, which is formed,
Grid slag, sand setting, non-degradable and inertia suspended solid deposition and chemical dephosphorization caused by sludge.This part bed mud needs regular
Cleaning, but cleaning cycle is more than 20 years.Process cycle is substantially prolongs, reduces labour.And sewage is vertical
Sewage, sludge, dirt are realized in stream sewage ecological treatment system to handle completely, thoroughly eliminate or reduce conventional sewage plant grid
Secondary pollution and pollution transportation caused by slag, dirty sand, sludge, stink etc..Break the normal procedure sewage treatment plant (caused air and
Sludge pollution, directly or indirectly reduce periphery land values) fixed pattern, vertical current sewage ecological treatment system technology can build up life
State park, provided for nearby residents fish, Condom etc., can both build ecoscape, improve the ecological environment, can be dissolved into again
In urban afforestation.
In addition as shown in figure 4, vertical current sewage ecological treatment system flow is short, processing unit is few and concentrates, processing dress
Put and be significantly less than conventional treatment process with installed capacity, operational management, safeguard that simply management service personnel can be greatly decreased.By
In management is simple, number of devices is few, strong shock resistance, suitable for various scale urban wastewater treatments.Capital equipment-biochemistry
Combination unit can be installed in the case of water filling in system, changed, can after vertical current sewage ecological treatment system one-stage completion
According to the change of urban development needs and sewage quantity, the treatment facility of random scale is assembled into, possesses treatment facility stronger
Flexibility, suitable for big or middle scale urban wastewater treatment.
In summary, processing of the vertical current sewage ecological treatment system provided by the invention to sewage pump is more thorough, is
Discharged in system without biochemical excess sludge, can all cancel treatment facility and structures numerous and jumbled needed for excess sludge standard practice,
Engineering capital expenditure and operation processing cost are not only reduced, while also completely avoid foul smell caused by sludge handling process etc.
The secondary transferring of influence and pollutant to environment, preferably solve restrict sewage disposal process in implement sludge reduction,
Innoxious and stabilized difficulties.Meanwhile the system is completely disposed at sludge area 101 at the position below 6.5 meters of the depth of water, lead to
The self-purification of the biological deodorizing of recycle stream biofilm reactor and water surface biological floating island 40 in water seal, water is crossed, is realized whole dirty
The foul smell zero-emission of water treatment system.Majority of organic pollutants and excess sludge are by vertical current sewerage ecological in sewage
What reason system Anaerobic Treatment removed, its flow of the handling process pattern is shorter, it is not necessary to consider to set specific resistance to filtration system,
Deodoration system, and do not need the armored concrete water treatment building of the big scale of construction and larger equipment installed capacity, work for this
Skill comprehensive energy consumption lower than traditional handicraft 30% or so.Due to its longer hydraulic detention time of vertical current sewage ecological treatment system
It with relatively low BOD loading, sludge loading, can make processing system that there is stronger capacity of resisting impact load, influent quality is changed
With stronger adaptability.Deeper available depth can reduce the surface area of system exposure in an atmosphere, reduce winter system
The loss of interior sewage surface heat, water temperature change is smaller, so as to reduce influence of the winter temperature reduction to treatment effeciency.Vertical current
The peculiar construction of sewage ecological treatment system, make the anaerobic zone 102 and anoxic zone 103 easily influenceed by temperature, dissolved oxygen etc.
In the lower section of aerobic zone 104, due to the protective effect of aerobic zone 104, make anaerobic zone 102 and anoxic zone 103 substantially not by temperature
Influence with atmospheric ozone maintains stable operation.
The vertical current sewage ecological treatment system is one by bacterium, algae, microfauna (protozoan and rear lively
Thing), water plant and other aquatic animals composition the ecosystem.Its food chain (net) more than oxidation ditch, activated sludge, connect
Touch the complex process such as oxidation, MBR, BAF, charcoal (BAC) much.According to the principle of the self-purification of water, at vertical current sewerage ecological
Reason system has stronger removal ability to hardly degraded organic substance, so as to reduce reusing sewage health and safety risk.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
- A kind of 1. vertical current sewage ecological treatment system, it is characterised in that：Including pond body, the first floatation type biofilm reactor and Second floatation type biofilm reactor, the pond body include the sludge area, anaerobic zone, anoxic zone and aerobic set from bottom to top Area；The upper and lower ends of the first floatation type biofilm reactor and the upper and lower ends of the second floatation type biofilm reactor are Opening, the quantity of the first floatation type biofilm reactor is some, if the quantity of the second floatation type biofilm reactor Dry, the first floatation type biofilm reactor and the second floatation type biofilm reactor are in the pond body, and described First floatation type biofilm reactor is located at the front of the second floatation type biofilm reactor, and sewage is carried out for realizing Multistep treatment；The side wall in the pond body sludge area is provided with multiple water inlets, and the water inlet connects water inlet pipe, multiple described Water inlet pipe corresponds with the bottom of the first floatation type biofilm reactor and the second floatation type biofilm reactor respectively, Carried out for realizing sewage inside and outside the first floatation type biofilm reactor and the second floatation type biofilm reactor Lower circulation；The rear end of the pond body is additionally provided with delivery port, for the sewage after processing to be discharged.
- 2. vertical current sewage ecological treatment system according to claim 1, it is characterised in that：The first floatation type biology The inside of membrane reactor is provided with biologic packing material and the first floatation type aerator, is provided with the second floatation type biofilm reactor Biologic packing material and the second floatation type aerator.
- 3. vertical current sewage ecological treatment system according to claim 1, it is characterised in that：Water is additionally provided with the pond body Lower cut-off, the quantity separated under water is several, and several are described to separate parallel and be arranged at intervals under water, by the pond body Multi-stage sewage treatment region is divided into, adjacent two underwater cut-offs are provided with gap between two side walls of the pond body respectively, Adjacent two-stage sewage diposal area is connected by gap, and the multistage sewage diposal area forms S-shaped water stream channel with the gap.
- 4. vertical current sewage ecological treatment system according to claim 3, it is characterised in that：The sewage diposal area includes From preceding several first treatment regions then set and several second processing areas, it is provided with each first treatment region some Individual first floatation type recycle stream biofilm reactor, each it is provided with several the second floatation type recycle streams in the second processing area Biofilm reactor.
- 5. vertical current sewage ecological treatment system according to claim 4, it is characterised in that：Also wrap the sewage diposal area Include several advanced treating areas, the advanced treating area is located at the rear in the second processing area, the sludge area, anaerobic zone, Anoxic zone and aerobic zone are only located at first treatment region and second processing area.
- 6. vertical current sewage ecological treatment system according to claim 5, it is characterised in that：First treatment region and institute State second processing area and be equipped with biological floating island, the biological floating island is swum on the water surface；The advanced treating area is provided with to float and given birth to Thing filter bed, the floating living filter bed are swum on the water surface.
- 7. vertical current sewage ecological treatment system according to claim 5, it is characterised in that：Also wrap the sewage diposal area Disinfection reactions area is included, the disinfection reactions area is located at the rear in the advanced treating area, sterilization is provided with the disinfection reactions area Agent throwing mechanism and water flow measuring tank.
- 8. vertical current sewage ecological treatment system according to claim 4, it is characterised in that：The top in the sludge area is set There is return duct, the water inlet of the return duct is located at the second processing area of rearmost end, and the delivery port of the return duct is before most First treatment region at end, the water inlet of the return duct are connected with reflux pump.
- 9. vertical current sewage ecological treatment system according to claim 1, it is characterised in that：Multiple water inlets are all provided with In the middle part of the side wall in the sludge area.
- 10. vertical current sewage ecological treatment system according to claim 1, it is characterised in that：The pond body is using geotechnique Film Anti-seeping technology.
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| CN105948252B (en) * | 2016-06-23 | 2019-11-05 | 李相文 | Up flow type activated sludge biological film oxidation ditch organic sewage treatment process and its system |
| CN107963788B (en) * | 2017-12-27 | 2023-12-22 | 山东国科华地环境工程科技有限公司 | Multi-module distributed sewage treatment device and method based on monitoring and numerical simulation |
| CN110078297A (en) * | 2019-04-02 | 2019-08-02 | 浦华环保有限公司 | Ecological wastewater treatment system and method |
| CN110386668A (en) * | 2019-09-04 | 2019-10-29 | 山东和正环保工程有限公司 | A kind of economic benefits and social benefits denitrification dephosphorization apparatus |
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| EP1286922A1 (en) * | 2000-05-29 | 2003-03-05 | AnoxKaldnes AS | Method for biological cleaning of wastewater |
| CN102101721A (en) * | 2011-01-17 | 2011-06-22 | 江苏中超环保有限公司 | Integrated biological nitrogen removal sewage treatment device |
| CN104528934A (en) * | 2014-12-04 | 2015-04-22 | 浙江清华长三角研究院 | Shortcut nitrification-denitrification membrane bioreactor and sewage treatment technology thereof |
| CN205313183U (en) * | 2015-12-09 | 2016-06-15 | 浦华环保股份有限公司 | Ecological processing system of vertical current sewage |
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| CN102101721A (en) * | 2011-01-17 | 2011-06-22 | 江苏中超环保有限公司 | Integrated biological nitrogen removal sewage treatment device |
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