CN109205957A - Sewage-treatment plant - Google Patents
Sewage-treatment plant Download PDFInfo
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- CN109205957A CN109205957A CN201811289336.9A CN201811289336A CN109205957A CN 109205957 A CN109205957 A CN 109205957A CN 201811289336 A CN201811289336 A CN 201811289336A CN 109205957 A CN109205957 A CN 109205957A
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- Prior art keywords
- aerobic
- sewage
- groove
- treatment plant
- anaerobism
- Prior art date
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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 60
- 230000015556 catabolic process Effects 0.000 claims description 37
- 238000006731 degradation reaction Methods 0.000 claims description 37
- 239000012528 membrane Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000004659 sterilization and disinfection Methods 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 12
- 230000002906 microbiologic effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 244000005700 microbiome Species 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 21
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 21
- 239000011574 phosphorus Substances 0.000 abstract description 21
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012851 eutrophication Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 15
- 229920000388 Polyphosphate Polymers 0.000 description 12
- 229920000037 Polyproline Polymers 0.000 description 12
- 239000001205 polyphosphate Substances 0.000 description 12
- 235000011176 polyphosphates Nutrition 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000005416 organic matter Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical group [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 244000144992 flock Species 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2303/04—Disinfection
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
本申请所公开的一种污水处理装置，包括：罐体，设置于罐体入水口与出水口之间的厌氧槽、好氧槽，以及连通好氧槽底部与厌氧槽顶部的回流管。该装置针对农村污水以及小规模城市污水处理进行设计，罐体结构抗冲击负荷能力强、结构简单、安装费用低、建设周期短、操作运行自动化程度高，且可以根据不同地域的需要随时拆装调配，使用灵活便利，处理后的出水含磷总浓度低于0.2mg/L，避免受纳水体富营养化。
A sewage treatment device disclosed in the present application comprises: a tank body, an anaerobic tank and an aerobic tank arranged between the water inlet and the water outlet of the tank body, and a return pipe connecting the bottom of the aerobic tank and the top of the anaerobic tank . The device is designed for rural sewage and small-scale urban sewage treatment. The tank structure has strong shock load resistance, simple structure, low installation cost, short construction period, high degree of automation in operation, and can be disassembled and assembled at any time according to the needs of different regions. The preparation is flexible and convenient to use, and the total phosphorus concentration of the treated effluent is less than 0.2mg/L, so as to avoid eutrophication of the receiving water.
Description
Technical field
This application involves Water Resources Domain more particularly to a kind of sewage-treatment plants.
Background technique
China shares more than 60 ten thousand administrative villages, more than 250 ten thousand natural villages, live nearly 800,000,000 population and relatively dispersion of living.By
Infrastructure construction in current China villages and small towns area is insufficient, and most of country sewage is unprocessed to be directly discharged into surrounding body,
Serious polluted surface body of groundwater, while certain influence is also resulted in soil and atmosphere, the potential hazard mankind and animals and plants are raw
It orders healthy and safe.But since country sewage is generally combined system discharge, discharge disperses and discharge amount is smaller, the discharge of sewage
Larger with organic loading fluctuation, country sewage centralized processing invests big, construction period length etc. in the presence of collection difficulty, pipeline network construction and dashes forward
It goes wrong, causes country sewage to be unable to get for a long time and deal carefully with.
Meanwhile domestic sewage in rural areas nitrogen and phosphorus ingredient is higher, general ammonia nitrogen concentration is 20~90mg/L, and total phosphorus concentration is
2.0~6.5mg/L, direct emission or processing are not thorough, and easily lead to receiving water body eutrophication, a large amount of to consume water body dissolution
Oxygen, and will lead to fishes and shrimps etc. aquatic biologicals mortality, these factors can all be further exacerbated by the pollution of water resource, so that natural
Rivers and lakes etc. generate black smelly phenomenon.
Summary of the invention
The invention discloses a kind of sewage-treatment plants, it is intended to solve sanitary sewage direct emission and enter caused by natural water
The problem of water pollution.
A kind of sewage-treatment plant disclosed in the present application, comprising:
Tank body, described tank body one end are equipped with water inlet, and the other end is equipped with water outlet；
Degradation groove is set between the water inlet and the water outlet, and the degradation groove includes at least micro- for carrying out
Biodegradable anaerobism groove and aerobic slot；
Return pipe, the return pipe tail end and the aerobic trench bottom are additionally provided between the aerobic slot and the anaerobism groove
Connection, head end are located above the anaerobism groove.
In one embodiment, the sewage-treatment plant, wherein the degradation groove is additionally provided with the electrode plate for electrolysis.
In one embodiment, the sewage-treatment plant, wherein the anaerobism groove closes on the water inlet setting, institute
It states aerobic slot to be set between the anaerobism groove and the water outlet, the anaerobism trench bottom, which is equipped with, to be connected at the top of the aerobic slot
First passage.
In one embodiment, the sewage-treatment plant, wherein permeable anaerobism packing layer is equipped in the anaerobism groove,
The first filter bed filler for adhering to anaerobe is equipped in the anaerobism packing layer.
In one embodiment, the sewage-treatment plant, wherein permeable aerobic packing layer is equipped in the aerobic slot,
The second filter bed filler for adhering to aerobic microbiological is equipped in the aerobic packing layer.
In one embodiment, the sewage-treatment plant, wherein the degradation groove further includes being located at the aerobic slot and institute
The aerobic membrane biological reaction slot between water outlet is stated, is equipped in the aerobic membrane biological reaction slot for biodegrade and UF membrane
Membrane module, the aerobic trench bottom is equipped with the second channel that is connected to the aerobic membrane biological reaction groove top portion, described aerobic
Membrane biological reaction trench bottom is connected to the water outlet, and the return pipe extend into the second channel bottom and the anaerobism groove
Top connection.
The sewage-treatment plant, wherein the electrode plate is set to above the aerobic membrane biological reaction slot.
In one embodiment, the sewage-treatment plant, wherein the aerobic slot and the aerobic membrane biological reaction slot bottom
Portion is additionally provided with the aerator for importing air.
In one embodiment, the sewage-treatment plant, wherein the top of the tank is additionally provided with multiple openable and closable wells
Mouthful, it is additionally provided with regulating tank between the water inlet and the anaerobism groove, is located at below the water inlet in the regulating tank and also sets
There are debris retaining grid, is connected at the top of the adjusting trench bottom and the anaerobism groove.
In one embodiment, the sewage-treatment plant further includes between the degradation groove and the water outlet
Defecator, the defecator are connected to the water outlet, for accommodating and being discharged the water body after degradation groove is degraded, the clarification
Be additionally provided with disinfection trough between slot and the water outlet, be equipped with apparatus for ultraviolet disinfection at the top of the disinfection trough, the disinfection trough with
Connection, the disinfection trench bottom are connected to the water outlet at the top of the defecator.
Sewage-treatment plant given by the present invention, the effect of anaerobe of the sewage in degradation groove through excessive concentrations
Lower completion partial organic substances biological oxidation, denitrification denitrogenation and polyP bacteria release phosphorus；Under making using aerobic microbiological further into
Row organic matter degradation, nitrification and polyP bacteria excessive consumption phosphorus, then electrolysis phosphorus deep removal is carried out to the water body of degradation groove outflow
And the microorganism further progress microbial degradation adsorbed by membrane module carries out UF membrane simultaneously；The water body warp of degradation groove outflow
Upper water column is discharged by water outlet after crossing disinfection, and the high concentration mixed liquor part of bottom is back in degradation groove by return pipe,
Organic matter degradation is carried out, denitrification and polyP bacteria release phosphorus effect.The device is directed at country sewage and small scall scale city sewage
Reason is designed, and tank structure capacity of resisting impact load is strong, structure is simple, mounting cost is low, the construction period is short, operation is run certainly
Dynamicization degree is high, and can need to dismount allotment at any time according to different geographical, and using flexible is convenient, and treated, and water outlet is phosphorous
Total concentration is lower than 0.2mg/L, avoids receiving water body eutrophication.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sewage-treatment plant in the embodiment of the present invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
A kind of sewage-treatment plant disclosed in the present embodiment, as shown in Figure 1, including the tank body of constituent apparatus general frame
1, tank body one end is equipped with water inlet 11, and the other end is equipped with water outlet 12, can also open up many places well head 13 at the top of tank body 1, be used for
Raw material and necessary observation and corresponding operating are filled with into tank body 1.Be equipped with degradation groove in tank body 1, water inlet 11 and degradation groove it
Between be equipped with regulating tank 2, debris retaining grid 20 are equipped at the top of regulating tank 2, water inlet 11 is located above debris retaining grid 20, and debris retaining grid 20 will enter water
Mouthfuls 11 sewage flowed into are filtered, and solid slag is filtered out, solid slag add up it is a certain amount of after can be regular by well head 13
It removes.Degradation groove includes the anaerobism groove 5 and aerobic slot 6 for carrying out microbial degradation.5 top of anaerobism groove and 6 bottom of aerobic slot
It is connected to by return pipe 4,4 tail end of return pipe is connected to the bottom of aerobic slot, and head end is located at 5 top of anaerobism groove, will be in aerobic slot 6
Partially liq flow back into anaerobism groove 5.PolyP bacteria in anaerobism groove 5 releases phosphorus, the polyP bacteria in aerobic slot 6 under anaerobic
The excessive consumption phosphorus under aerobic condition.6 bottom high concentration mixed liquor part of aerobic slot is returned in anaerobism groove 5 by 4 reflux of return pipe,
Organic matter degradation is carried out, denitrification and polyP bacteria release phosphorus effect.Specifically, anaerobism groove 5 closes on the setting of water inlet 11, regulating tank 2
It closes at the top of the cell wall bottom and anaerobism groove 5 of anaerobism groove 5 and is connected to.5 middle position of anaerobism groove is equipped with permeable anaerobism packing layer 50,
Anaerobism packing layer 50 is attached with the micro- life of anaerobism of high concentration filled with the first spherical filter bed filler, the first filter bed filler surface
Object.Sewage in regulating tank 2 spreads at the top of anaerobism groove 5 and is flowed into 5 bottom space of anaerobism groove by anaerobism filled layer 50, the
It is anti-that the lower completion partial organic substances biological oxidation of anaerobe effect, denitrification denitrogenation and polyP bacteria in one filter bed filler release phosphorus
It answers, realizes sewage Microbial denitrogenation using denitrifying bacteria, discharge phosphorus using polyP bacteria.
Aerobic slot 6 is arranged close to anaerobism groove 5, and permeable aerobic packing layer 60 is equipped in aerobic slot 6, and aerobic packing layer 60 is filled out
Filled with the second cylindrical filter bed filler, the second filter bed filler surface is attached with the aerobic microbiological of high concentration.Anaerobism groove 5 with it is good
The slot that oxygen slot 6 faces forms first passage 61 between keeping away, and 5 bottom of anaerobism groove is connected to first passage 61,5 bottom of anaerobism groove stream
Sewage out can gradually pass through first passage 61 by certain time and spread in aerobic slot 6, and flow through aerobic packing layer 60
To 6 bottom of aerobic slot.Sewage further progress organic matter degradation, nitrification under the aerobic microbiological effect in the second filter bed filler
Effect and polyP bacteria excessive consumption phosphorus.Under aerobic state, NH4+ is melted into NO2- for nitrogen source using inorganic nitrogen, is then reoxidized
At NO3-.The ability of phosphorus is released under oxygen-free environment since the ability that polyP bacteria absorbs phosphorus under aerobic environment is far longer than, it is then real
The phosphor-removing effect of existing microorganism.
In the present embodiment, closes on aerobic slot 6 and be additionally provided with aerobic membrane biological reaction slot 7, be equipped in aerobic membrane biological reaction slot 7
Membrane module 70,70 surface of membrane module are attached with the aerobic microbiological of high concentration.It is located at membrane module 70 in aerobic membrane biological reaction slot 7
Top is additionally provided with the electrode plate 8 for electrolysis.Shape between the cell wall that both aerobic slot 6 and aerobic membrane biological reaction slot 7 face
At second channel 71,6 bottom of aerobic slot is connected to second channel 71, and 4 tail end of return pipe is along second channel 71 and 6 bottom of aerobic slot
Portion's connection.Sewage of 6 bottom of aerobic slot after the degradation of aerobic packing layer 60 can gradually pass through second channel by certain time
71 spread in aerobic membrane biological reaction slot 7, and are electrolysed by electrode slice 8.After anaerobism groove 5 and aerobic slot 6 are degraded
Sewage in containing phosphate is still contained, metal electrode board 8 passes through electrolytically generated metal cation (such as iron ion, aluminium ion
Deng), sediment or flock are formed with phosphate, flock can be removed by coagulation.Meanwhile being attached to membrane module 70
On aerobic microbiological further progress microbiological oxidation, realize pollutant depth removal.Aerobic membrane biological reaction slot 7
Bottom is connected to defecator 3, and the water body after 70 biodegrade of membrane module and UF membrane (filtering) is by aerobic membrane biological reaction
The bottom of slot 7 enters defecator 3, is precipitated in defecator 3.
It is additionally provided with disinfection trough 9 between water outlet 12 and defecator 3, is equipped with apparatus for ultraviolet disinfection 90 above disinfection trough 9.It is clear
The water body on clear 3 upper layer of slot is more limpid, which flows into after the disinfection of apparatus for ultraviolet disinfection 90 under the action of water pressure
Disinfection trough 9 is then discharged to tank body 1 by water outlet 13.It is stayed back by return pipe 4 the high concentration mixed liquor part of 6 bottom of aerobic slot
To 5 top of anaerobism groove, passes through in anaerobism groove 5 together with the sewage in regulating tank 2, carry out organic matter degradation, denitrification and poly- phosphorus
Bacterium releases phosphorus effect
For clean-up effect of the sewage in aerobic slot 6 and aerobic membrane biological reaction slot 7, aeration is equipped in the two bottom
Device 14, aerator 14 form flow-disturbing in sewage, accelerate microbial degradation, while mentioning into sewage by importing air
For a large amount of oxygen, the activity of aerobic microbiological is improved, so that aerobic microbiological is able to mass propagation, further promotes microorganism
The efficiency of degradation.
In the present embodiment tank body 1 be directed to small flow intake design, in microorganism concn reach 10g/L or more, live
The water outlet of level-one A standard can be achieved in sewage after the processing of tank body 1, wherein being discharged phosphorous total concentration lower than 0.2mg/L.Tank body 1 is adopted
With metal material, impact resistance is strong, and assembling and transportational process are hardly damaged, and can be according to the sewage situation of different geographical at any time
Dismounting allotment, use and its convenience.
Sewage-treatment plant disclosed in this invention, the effect of anaerobe of the sewage in degradation groove through excessive concentrations
Lower completion partial organic substances biological oxidation, denitrification denitrogenation and polyP bacteria release phosphorus；Under making using aerobic microbiological further into
Row organic matter degradation, nitrification and polyP bacteria excessive consumption phosphorus, then electrolysis phosphorus deep removal is carried out to the water body of degradation groove outflow
And the microorganism further progress microbial degradation adsorbed by membrane module and UF membrane act on；The water body of degradation groove outflow passes through
Upper water column is discharged by water outlet after disinfection, and bottom high concentration mixed liquor part is back in anaerobism groove by return pipe, is carried out
Organic matter degradation, denitrification and polyP bacteria release phosphorus effect, promote microbial degradation.The device is for country sewage and on a small scale
Municipal sewage treatment is designed, tank structure capacity of resisting impact load is strong, structure is simple, mounting cost is low, the construction period is short,
Operation operation high degree of automation, and can need to dismount allotment at any time according to different geographical, using flexible is convenient, after processing
The phosphorous total concentration of water outlet be lower than 0.2mg/L, avoid receiving water body eutrophication.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the present application design, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of sewage-treatment plant characterized by comprising
Tank body, described tank body one end are equipped with water inlet, and the other end is equipped with water outlet；
Degradation groove is set between the water inlet and the water outlet, and the degradation groove is included at least for carrying out microorganism
The anaerobism groove and aerobic slot of degradation；
Return pipe is additionally provided between the aerobic slot and the anaerobism groove, the return pipe tail end and the aerobic trench bottom connect
Logical, head end is located above the anaerobism groove.
2. sewage-treatment plant as described in claim 1, which is characterized in that the degradation groove is additionally provided with the electrode for electrolysis
Plate.
3. sewage-treatment plant as claimed in claim 2, which is characterized in that the anaerobism groove is closed on the water inlet and set
It sets, the aerobic slot is set between the anaerobism groove and the water outlet, and it is described aerobic that the anaerobism trench bottom is equipped with connection
The first passage in groove top portion.
4. sewage-treatment plant as claimed in claim 3, which is characterized in that be equipped with permeable anaerobism filler in the anaerobism groove
Layer, interior the first filter bed filler being equipped with for adhering to anaerobe of the anaerobism packing layer.
5. sewage-treatment plant as claimed in claim 3, which is characterized in that be equipped with permeable aerobic filler in the aerobic slot
Layer, interior the second filter bed filler being equipped with for adhering to aerobic microbiological of the aerobic packing layer.
6. sewage-treatment plant as claimed in claim 2, which is characterized in that the degradation groove further includes being located at the aerobic slot
Aerobic membrane biological reaction slot between the water outlet, the aerobic membrane biological reaction slot is interior to be equipped with for biodegrade and film
Isolated membrane module, the aerobic trench bottom is equipped with the second channel being connected to the aerobic membrane biological reaction groove top portion, described
Aerobic membrane biological reaction trench bottom is connected to the water outlet, and the return pipe extend into the second channel bottom to be detested with described
The connection of oxygen groove top portion.
7. sewage-treatment plant as claimed in claim 2, which is characterized in that the electrode plate is set to the aerobic film biology
Above reactive tank.
8. sewage-treatment plant as claimed in claims 6 or 7, which is characterized in that the aerobic slot and the aerobic film biology
Reaction tank bottom is additionally provided with the aerator for importing air.
9. sewage-treatment plant as claimed in claim 8, which is characterized in that the top of the tank is additionally provided with multiple openable and closable
Well head is additionally provided with regulating tank, is located at below the water inlet in the regulating tank also between the water inlet and the anaerobism groove
Equipped with debris retaining grid, it is connected at the top of the adjusting trench bottom and the anaerobism groove.
10. sewage-treatment plant as described in claim 1, which is characterized in that further include be located at the degradation groove and it is described go out
Defecator between the mouth of a river, the defecator are connected to the water outlet, for accommodating and being discharged the water after degradation groove is degraded
Body is additionally provided with disinfection trough, is equipped with apparatus for ultraviolet disinfection, institute at the top of the disinfection trough between the defecator and the water outlet
It states and is connected at the top of disinfection trough and the defecator, the disinfection trench bottom is connected to the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289336.9A CN109205957A (en) | 2018-10-31 | 2018-10-31 | Sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289336.9A CN109205957A (en) | 2018-10-31 | 2018-10-31 | Sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109205957A true CN109205957A (en) | 2019-01-15 |
Family
ID=64997706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289336.9A Pending CN109205957A (en) | 2018-10-31 | 2018-10-31 | Sewage-treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109205957A (en) |
Cited By (1)
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Address after: 518001 Hong Tao building 12, Baoan South Road, Luohu District, Shenzhen, Guangdong, 12 Applicant after: SHENZHEN WATER PLANNING AND DESIGN INSTITUTE Co.,Ltd. Address before: 518001 Hong Tao building 12, Baoan South Road, Luohu District, Shenzhen, Guangdong, 12 Applicant before: SHENZHEN WATER PLANNING AND DESIGN INSTITUTE CO.,LTD. |
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Application publication date: 20190115 |