CN109650645A - Integrated rural domestic sewage treatment device and sewage water treatment method - Google Patents
Integrated rural domestic sewage treatment device and sewage water treatment method Download PDFInfo
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- CN109650645A CN109650645A CN201810621631.3A CN201810621631A CN109650645A CN 109650645 A CN109650645 A CN 109650645A CN 201810621631 A CN201810621631 A CN 201810621631A CN 109650645 A CN109650645 A CN 109650645A
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- aerobic tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000010865 sewage Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000010802 sludge Substances 0.000 claims abstract description 55
- 239000000126 substance Substances 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000011049 filling Methods 0.000 claims abstract description 10
- 238000005189 flocculation Methods 0.000 claims abstract description 6
- 230000016615 flocculation Effects 0.000 claims abstract description 6
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 239000006228 supernatant Substances 0.000 claims abstract description 5
- 238000005273 aeration Methods 0.000 claims description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 244000005700 microbiome Species 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 17
- 238000006396 nitration reaction Methods 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 239000011574 phosphorus Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 229910002651 NO3 Inorganic materials 0.000 claims description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
- 230000001376 precipitating effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000003344 environmental pollutant Substances 0.000 claims description 7
- 231100000719 pollutant Toxicity 0.000 claims description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000029142 excretion Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000010801 sewage sludge Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 241000108664 Nitrobacteria Species 0.000 claims description 3
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 claims description 3
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 3
- 150000001413 amino acids Chemical class 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 230000002550 fecal effect Effects 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000004060 metabolic process Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 19
- 230000020477 pH reduction Effects 0.000 description 7
- 241000233866 Fungi Species 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 241000237858 Gastropoda Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 241000589516 Pseudomonas Species 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 230000037452 priming Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 phosphoric acid aluminum Chemical compound 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
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- 230000004083 survival effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/106—Carbonaceous materials
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
Abstract
The present invention relates to a kind of integrated rural domestic sewage treatment device and sewage water treatment methods, including sanitary sewage disposal integrated box body, sanitary sewage disposal integrated box body with secondary by anoxic pond, aerobic tank one, aerobic tank two, chemical dephosphorization sedimentation basin, sand filter, equipment room, 1) chemical dephosphorization sedimentation basin is equipped between equipment room and sand filter；2) it is equipped in anoxic pond by 30--40% polyurethane and 60--70% carbon fibre filler compounded mix；3) it is equipped with respectively in aerobic tank one and aerobic tank two by 60-64% porous gel and 36-40% carbon fibre filler compounded mix, filling rate is greater than 28%, less than 35%；4) chemical dephosphorization sedimentation basin includes flocculation reaction area and tube settling district, aerobic tank is discharged after reaction zone and dephosphorization with ferric salt agent are sufficiently mixed, it is precipitated by tube settling district, supernatant is discharged from top overflow weir, and sludge settling gets to sludge-tank by sludge pump timing in bottom.
Description
Technical field
The present invention relates to one kind, and good " moving bed " and " fixed bed " microbe carrier can be provided for microorganism fungus kind,
Not only it had made full use of microbial cleaning water quality, but also water purification can have been avoided to be stired and make muddy by sludge is secondary, while from again capable of while clearing up sludge
The integrated rural domestic sewage treatment device and sewage water treatment method for effectively improving aeration tube aeration efficiency belong to sewage treatment and set
Standby manufacturing field.
Background technique
CN106007216A, title " a kind of horizontal one suitable for rural domestic sewage treatment ", including anaerobic/anoxic
Area, aerobic zone, mud decrement area, settling zone, battery limits and solar energy photovoltaic panel are put in the anaerobic/anoxic area and aerobic zone
It is equipped with filler；The anaerobic/anoxic area, aerobic zone and settling zone are sequentially connected and connect, the aerobic zone and pollution decrement area phase
Connection, the bottom of the settling zone are connected by sludge reflux pipeline with the anaerobic/anoxic area, the top of the settling zone
It is provided with central tube, the water outlet of the aerobic zone is connected with the central tube of the settling zone；It is provided in the aerobic zone
Aerating system is provided in the battery limits including blower, chemicals dosing plant and control system, the solar-electricity volt plate with it is described
Control system is connected, and the control system is connected with the chemicals dosing plant and blower respectively, the blower and the aeration
System is connected, and the chemicals dosing plant is connected with the central tube of the settling zone.
CN103880252B, title " domestic sewage in rural areas integrated equipment for wastewater treatment ", including hydrolysis acidification pool, contact oxygen
Change pond, MBR membrane bioreactor and sterilization pool, the entrance of the hydrolysis acidification pool receives sewage, and the hydrolysis acidification pool goes out
Mouth connects the entrance of the contact-oxidation pool, and sludge reflux system is provided between the hydrolysis acidification pool and the contact-oxidation pool
It unites, the sludge in the contact-oxidation pool sends back in the hydrolysis acidification pool via the sludge recirculation system, and reflux ratio is
2:1, the outlet of the contact-oxidation pool connect the entrance of the MBR membrane bioreactor, and the MBR membrane bioreactor goes out
Mouth connects the entrance of the sterilization pool, water outlet of the outlet of the sterilization pool as the equipment；The contact-oxidation pool
Total height is 3 meters, and the height of packing layer is 1.5 meters, and the depth of water on filler is 0.4 meter, 0.3 meter of the superelevation of pond body, filler volume
Load is 1500gBOD5/m3d；In the contact-oxidation pool, controlling effective time of contact is 3h, gas-water ratio 16:1, the water
It solves in acidification pool, control hydraulic detention time is 5 hours, and the water flow rate of climb is 0.5~0.8m/h, in the hydrolysis acidification pool
Be provided with perforated pipe water distributor and sparge pipe branch pipe, the water outlet of perforated pipe water distributor and sparge pipe branch pipe away from bottom of pond 150mm~
200mm。
The shortcoming of above-mentioned background technology: first is that due to not for microorganism fungus kind provide good " moving bed " and
" fixed bed " microbe carrier, thus biological cleaning water is ineffective；It is inhaled second is that directlying adopt pump to sludge settling processing, not only
Can not clean out, and the water that in cleaning causes that treated stired and make muddy after be expelled directly out, pollute environment；Third is that due to aeration
Pipe in structure design using blow-through upward or under blow, aeration quantity is small, and water body flow is poor, ineffective, does not have
Reach and tolerance is made full use of.
Summary of the invention
Purpose of design: avoiding the shortcoming in background technique, and designing one kind can provide well for microorganism fungus kind
" moving bed " and " fixed bed " microbe carrier makes full use of biological cleaning water quality, and can avoid sludge quilt when clearing up sludge
Water is stired and make muddy, while can effectively improve integrated rural domestic sewage treatment device and the sewage treatment side of aeration tube aeration quantity again
Method.
Design scheme: in order to realize above-mentioned purpose of design.1, sand filter is set between equipment room and chemical dephosphorization sedimentation basin
Meter, is one of technical characteristic of the invention.The purpose of this design is: due to sand filter can effectively remove SS in water and
The pollutants such as COD, therefore when the water outlet of chemical dephosphorization pond enters sand filter, sand filter can be by the SS and the pollutants such as COD in water
Cleared, certain sand filter need to be backwashed periodically, and the structures and methods of multiple hole for water spraying water punchings are opened in backwash using intubation tube wall
Complete backwash.2, carbon fibre filler is designed to bee snail cavernous structure, is the second technical feature of the present invention.It designs in this way
Purpose is: when carbon fibre filler is designed to bee snail shape structure, its specific surface area goes out greatly several times than curtain structure, if
When it is fixed on the top and bottom of aerobic tank up and down, not only microorganism provides breeding ground in water supply for it, it is often more important that is
Microorganism fungus kind provides the fixed-site of survival and reproduction because porous gel filler be it is a kind of by microbial acclimation to spy
Determine the obligate Pseudomonas filler that pollutant has efficient removal effect, is planted microorganism and its strain domestication by certain way method
Enter into porous gel carrier, when it is as aerobic tank filler, the carrier make microorganism kept in carrier greater activity and
Under optimum conditions can fast breeding, thus larger and low-carbon-source the environment in villages and small towns wastewater influent concentration variation coefficient (2~4)
Under, microorganism concn remains at higher level simultaneously, and carry the double-deck aerator makes under conditions of identical gas-water ratio
The high 18-29% of dissolved oxygen concentration in pond, aeration efficiency also greatly improve；Secondly, fine using porous gel filler and bee snail shape carbon
Mixed fillers are tieed up, under cryogenic conditions of the temperature lower than 16 DEG C, since porous gel itself is implanted with high-efficiency strain, thus ammonia nitrogen is gone
Except efficiency can dramatically increase 38-47%.3, chemical dephosphorization precipitating bottom of pond portion is equipped with sludge cleaning pushing meanss and chemical dephosphorization precipitates
Bottom of pond portion is provided with sewage sludge storage discharge port, is the design that sludge transports pond below discharge port, is the third technical feature of the present invention.
Why design in this way, its object is to: it is the rural sewage treatment equipment in the prior art due to chemical dephosphorization sedimentation basin
Last a chemical reaction units, that is to say, that sewage can be but same with direct emission after the processing of chemical dephosphorization sedimentation basin
When, which is also the sedimentation basin of sludge, and the sludge precipitated is firmly to be adhered to bottom, therefore pump sucking sludge when using
When, it does not simply fail to aspirate sludge completely, and also cause processed water and stired and make muddy, the water stired and make muddy by it can not be in short-term
It is interior to precipitate again, then it is directly emitted, causes the secondary pollution to environment.The application is arranged in the bottom of the sedimentation basin
Sludge cleaning plant since the sludge cleaning plant is constituted by pushing away mud shovel, push rod and power source in structure design, and pushes away mud shovel
In structure design, be both shovel and lid (bottom width and length of shovel can by the bottom of pond portion sewage sludge storage drain lid
Firmly), therefore when power source (such as oil cylinder, cylinder, motor pushing screw mechanism) pushes mud shovel movement is shoveled, precipitating sludge can be pushed away
Enter discharge port and cover discharge port, is now placed in below discharge port for sludge in sludge transhipment pond under the swabbing action of pump,
Soon sludge can be aspirated completely, the clear water in chemical dephosphorization sedimentation basin will not be stired and make muddy, be avoided to postorder sand filtration
The pollution in pond solves drawback of the existing technology.4, aerobic tank lower part is equipped with upper layer and lower layer aeration head, and every layer of aeration head is
Two rows and two row's aeration head nozzles intersect the opposite design sprayed and bump against, and are the four of technical characteristic of the invention.It designs in this way
Purpose be: when aeration head nozzle spray high pressure draught in water with mutually to collision when, it has not only acted as usual air
In oxygen be dissolved in the effect of water, and using the collision between water and water, form whirlpool, further improving in aerobic tank
While dissolved oxygen, it can also accelerate velocity of displacement and circulation of the fluid in pond.
Technical solution 1: a kind of integrated rural domestic sewage treatment device, including sanitary sewage disposal integrated box body,
Sanitary sewage disposal integrated box body is successively by anoxic pond, aerobic tank one, aerobic tank two, chemical dephosphorization sedimentation basin, equipment room, and 1)
Sand filter is equipped between equipment room and chemical dephosphorization sedimentation basin；2) it is equipped in anoxic pond by 30--40% polyurethane and 60--70% carbon
Cellulose fiber filler compounded mix, filling rate are greater than 28% and less than 35%；3) be equipped with respectively in aerobic tank one and aerobic tank two by
60-64% porous gel and 36-40% carbon fibre filler compounded mix, filling rate are greater than 28% and less than 35%；4) chemical dephosphorization
Sedimentation basin includes flocculation reaction area and tube settling district, and aerobic tank is discharged after reaction zone and dephosphorization with ferric salt agent are sufficiently mixed, and is led to
Tube settling district precipitating is crossed, supernatant is discharged from top overflow weir, and sludge settling gets to sludge-tank by sludge pump timing in bottom.
Technical solution 2: a kind of sewage water treatment method of integrated rural domestic sewage treatment device,
(1) A/O/O biological denitrificaion: aminating reaction: principal mode existing for nitrogen is organonitrogen compound in raw sewerage
(protein and amino acid) and ammonia nitrogen etc..Under the action of ammonifiers, organonitrogen compound decomposes, is converted into ammoniacal nitrogen；Nitrification
Reaction: nitration reaction is completed by aerobic from oxygen type microorganism, is carbon source by NH using inorganic carbon under aerobic state4 +It is oxidized to
NO2 -, then it is reoxidised into NO3 -, make nitrobacteria in aerobic tank be easier to be enriched with, nitration reaction is more thorough；Anti-nitration reaction:
Anti-nitration reaction is under anaerobic condition, and nitrite nitrogen, nitrate nitrogen are reduced into gaseous nitrogen (N by denitrifying bacterium2) process,
Denitrifying bacterium be heterotroph microorganism, belong to facultative bacteria more, in anaerobic condition, using the oxygen in nitrate as electronics by
Body is provided energy and is oxidized stabilization using organic matter as electron donor, under the metabolic activity of denitrifying bacterium, NO3- N has two
A path for transformation: assimilation denitrification (synthesis), final product is organonitrogen compound, becomes the component part of thallus；Alienation is anti-
It nitrifies (decomposition), final product is gaseous nitrogen；
(2) chemical dosing dephosphorization: anoxic pond, aerobic tank do not have phosphorus removal functional, and aerobic tank water outlet setting chemical dephosphorization pond adds
Dephosphorization agent carries out chemical dephosphorization to the total phosphorus in system, it is ensured that water outlet total phosphorus is up to standard, and the precipitating sludge row that dephosphorization pond generates passes through
Sludge cleaning plant is placed in mudpan by fecal suction truck periodic cleaning；
(3) sand filter: the water outlet of chemical dephosphorization pond enters sand filter, and sand filter can effectively remove the pollutants such as SS and COD in water,
Its sewage effluent quality index are as follows: CODCr≤ mg/L, SS≤8 mg/L, BOD≤8 mg/L, TP≤0.5 mg/L；Ammonia nitrogen≤4
In addition mg/L need to periodically backwash sand filter.
Compared with the background technology, the present invention, first is that not being only that microorganism fungus kind provides good moving bed and fixed bed load
Body, and make full use of microbial cleaning water quality；Second is that realize when clearing up sludge, avoid the water purification in pond be sucked pump and
Sludge is secondary to be stired and make muddy；Third is that two row's aeration head nozzles intersect the opposite design sprayed and bump against, effectively improve in air
The meltage of oxygen in water.
Detailed description of the invention
Fig. 1 is lower layer's floor map of integrated rural domestic sewage treatment device.
Fig. 2 is the middle layer floor map of integrated rural domestic sewage treatment device.
Fig. 3 is the upper layer floor map of integrated rural domestic sewage treatment device, 16 inspection-pit of label, 17 dosings inspection
It builds, 18 air inlets.
Fig. 4 is the schematic cross-sectional view in Fig. 1.
Fig. 5 is the flow diagram of integrated rural domestic sewage treatment device.
Specific embodiment
Embodiment 1: referring to attached drawing 1-4.A kind of integrated rural domestic sewage treatment device, including sanitary sewage disposal case
Body, sanitary sewage disposal cabinet is with secondary by anoxic pond 11, aerobic tank 1, aerobic tank 2 13, chemical dephosphorization sedimentation basin 14, equipment
Between, 1) sand filter 15 is equipped between equipment room and chemical dephosphorization sedimentation basin；2) be equipped in anoxic pond by 30--40% polyurethane and
60--70% carbon fibre filler compounded mix, filling rate are greater than 28%, less than 35%；3) divide in aerobic tank one and aerobic tank two
It is not equipped with by 60-64% porous gel and 36-40% carbon fibre filler compounded mix, filling rate is greater than 28%, less than 35%；4) change
Learning dephosphorization sedimentation basin includes flocculation reaction area and tube settling district, and aerobic tank water outlet is sufficiently mixed in reaction zone and dephosphorization with ferric salt agent
Afterwards, it is precipitated by 19 settling zone of inclined tube, supernatant is discharged from top overflow weir, and sludge settling is got in bottom by sludge pump timing
Sludge-tank.
Carbon fibre filler is bee helicotrema shape filler, and the production method system prior art is not described herein herein.The bee helicotrema
Shape filler distribution is in the top and bottom of aerobic tank.
One lower part of aerobic tank is equipped with upper layer and lower layer aeration head 1, and every layer of aeration head 1 is two rows and no less than 4, two rows aeration
First 1 nozzle intersects opposite injection and bumps against, and is not drawn into figure.Two lower part of aerobic tank is equipped with upper layer and lower layer aeration head 1, every layer of aeration
First 1 is two rows and no less than 8, and two row's aeration heads, 1 nozzle intersects opposite injection and bumps against.The diameter of aeration head is greater than 200mm,
Less than 220mm, but not limited to this.
Aeration head 1 in anoxic pond, aerobic tank one and aerobic tank two passes through branch air hose and branch road valve and air hose 2 respectively
Parallel communication, air hose 2 are connected to blower 5.
Filtrate thickness 1.1m~1.5m, 1.2~2 mm of sand partial size, filtering velocity are 1.1~1.3 m3/m2·h。
The angled inclined tube greater than 55 ° of the long heap of more root canals and inclined tube aperture in chemical dephosphorization sedimentation basin are greater than 80 mm.It is good
Mixed liquor return pipe 10 and 9 is equipped between oxygen Chi Eryu anoxic pond.Chemical dephosphorization precipitating bottom of pond portion is provided with sewage sludge storage discharge port
(not shown), discharge port lower section are that sludge transports pond (not shown), and chemical dephosphorization precipitates bottom of pond portion and is equipped with sludge cleaning plant.It is dirty
Mud cleaning plant is constituted by pushing away mud shovel, push rod and power source, and push rod one end is connect with mud shovel is pushed away, the push rod other end and power source
(oil cylinder, cylinder, motor screw pushing mechanism) connection, power source, which by push rod pushes away mud shovel and will be deposited in base sludge, to be scooped up
It shifts sludge excretion pond onto simultaneously, pushes away mud shovel bottom and cover sewage draining exit just, when using pump sucking sludge at this time, in negative-pressure ward
Under the action of, it pushes away mud shovel bottom and firmly closes sewage draining exit, so that the sludge in sludge excretion pond will not flow backward, it will not be to aquatic products
The case where raw pollution, is walked by the pumping being located in sludge excretion pond.The outlet edge of chemical dephosphorization sedimentation basin is equipped with overflow weir 3
Backwash mechanism is equipped in sand filter.Sand i.e. in sand filter is distributed with more with sparge pipe 4 and sparge pipe 4 in leading
Multiple water jets are distributed in pipe shaft.
Equipment room is equipped with for adding dephosphorization agent dosing metering pump 7, blower 5, reflux pump 6, backwashing pump, control cabinet.Dosing
Metering pump 7 is communicated by chemical feed pipe 8 with chemical dephosphorization sedimentation basin.
Embodiment 2: referring to attached drawing 5.On the basis of embodiment 1, the sewage of integrated rural domestic sewage treatment device
Processing method, (1) A/O/O biological denitrificaion: aminating reaction: principal mode existing for nitrogen is organic nitridation in raw sewerage
Close object (protein and amino acid) and ammonia nitrogen etc..Under the action of ammonifiers, organonitrogen compound decomposes, is converted into ammoniacal nitrogen.
Nitration reaction: nitration reaction is completed by aerobic from oxygen type microorganism, is carbon source using inorganic carbon under aerobic state
By NH4 +It is oxidized to NO2 -, then it is reoxidised into NO3 -, make nitrobacteria in aerobic tank be easier to be enriched with, nitration reaction is more thorough；
Anti-nitration reaction: anti-nitration reaction is under anaerobic condition, and nitrite nitrogen, nitrate nitrogen are reduced into gaseous nitrogen by denitrifying bacterium
(N2) process, denitrifying bacterium be heterotroph microorganism, belong to facultative bacteria, in anaerobic condition, using in nitrate more
Oxygen is as electron acceptor, using organic matter as electron donor, provides energy and is oxidized stabilization, in the metabolic activity of denitrifying bacterium
Under, NO3There are two path for transformation by-N: assimilation denitrification (synthesis), final product is organonitrogen compound, becomes the composition of thallus
Part；Alienation denitrification (decomposition), final product are gaseous nitrogen；
(2) chemical dosing dephosphorization: anoxic pond, aerobic tank do not have phosphorus removal functional, and aerobic tank water outlet setting chemical dephosphorization pond adds
Dephosphorization agent carries out chemical dephosphorization to the total phosphorus in system, it is ensured that water outlet total phosphorus is up to standard, and the precipitating sludge row that dephosphorization pond generates passes through
Sludge cleaning plant is placed in mudpan by fecal suction truck periodic cleaning；
(3) sand filter: the water outlet of chemical dephosphorization pond enters sand filter, and sand filter can effectively remove the pollutants such as SS and COD in water,
Its sewage effluent quality index are as follows: CODCr35-45 mg/L, SS≤8 mg/L ,≤10；The mg/L of BOD≤8, TP≤0.5
mg/L；Ammonia nitrogen≤4 mg/L, and sand filter is periodically backwashed.
For example:
1, conditioning tank: conditioning tank is buried outside equipment, plays the purpose of regulating water quality water, and pond material is brick mix structure, on
There is Chi Gai in face, if inspection hole one, having a size of 0.6 m × 0.6m.
Design discharge: 2.5 m3/h；Residence time: 8 hours；Dischargeable capacity: 20 m3；Quantity: 1；Size: 2.7 × 2.4
×3.6 m；Auxiliary device: the m of elevator pump Q=53The kw of m, N=0.25 of/h, H=7, quantity: 2 (a preparation and a use), grid quantity: 1
Set.
2, anoxic pond: design discharge: 2.5 m3/h；Residence time: 3.5 h；Dischargeable capacity: 8.75 m3；Quantity: 1；Ruler
It is very little: 1.6 × 2.5 × 2.5m；Auxiliary device: filler :+65% carbon fibre filler compounded mix of 35% polyurethane, filling rate 30%；
Aeration head: Φ=215mm, 4
3, aerobic tank 1: design discharge: 2.5 m3/h；Residence time: 3.5 h；Dischargeable capacity: 8.75 m3；Quantity: 1；Ruler
It is very little: 1.2 × 2.5 × 2.5 m；Auxiliary device: filler :+38% carbon fibre filler compounded mix of 62% porous gel, filling rate
30%；Aeration head: Φ=215mm, 8, gas-water ratio 13.
4, aerobic tank 2: design discharge: 2.5 m3/h；Residence time: 3.5 h；Dischargeable capacity: 8.75 m3；Quantity: 1；
Size: 1.2 × 2.5 × 2.5 m；Auxiliary device: filler :+38% carbon fibre filler compounded mix of 62% porous gel, filling rate
35%；Aeration head: Φ=215mm, 16 (bilayer), gas-water ratio 13.
Carbon fibre filler is bee snail shape structure or curtain structure, is fixed on the top and bottom of aerobic tank up and down, porous
In gel suspension water, moving bed and fixed bed carrier are provided for microorganism fungus kind.Porous gel filler through screening, tame, spread cultivation
What is obtained has the obligate Pseudomonas of efficient removal effect to specific pollutants, is fixed on porous gel by certain way method limit
In molecule.As aerobic tank filler, which makes microorganism keep greater activity in carrier and under optimum conditions can be quick
Proliferation, in the environment of and low-carbon-source larger in villages and small towns wastewater influent fluctuation of concentration coefficient (2-4), microorganism concn is remained at
Higher level, and the double-deck aerator is carried, under conditions of identical gas-water ratio, the high 18-29% of dissolved oxygen concentration in pond, aeration
Efficiency also greatly improves.In addition, being lower than 16 DEG C of low temperature item in temperature using porous gel filler and carbon fibre mixed fillers
Under part, since porous gel itself has planted high-efficiency strain, ammonia nitrogen removal efficiency can dramatically increase 38-47%.
5, chemical dephosphorization sedimentation basin: in order to keep the phosphorus in water outlet up to standard, increase chemical dephosphorization measure after aerobic tank, pass through
Adding molysite or aluminium salt makes positive phosphorus be replaced as ferric phosphate, phosphoric acid aluminum precipitation, and is removed.Precipitating sludge is discharged into sludge-tank, by
Vehicular sludge treating system is periodically handled.Dephosphorization pond includes flocculation reaction area and tube settling district, and aerobic tank water outlet is being reacted
It after area and dephosphorization with ferric salt agent are sufficiently mixed, is precipitated by tube settling district, supernatant is discharged from top overflow weir, and sludge settling exists
Sludge-tank is got to by sludge pump timing in bottom.
Design discharge: 2.5 m3/h；Residence time: 4 h；Quantity: 1；Size: 1.8 × 2.5 × 2.5 m；Inclined tube is long
1m, 60 ° of setting angle, 82 mm of inclined tube aperture；
6, sand filter: filtrate thickness 1.3m, sand partial size 1.2-2 mm, filtering velocity are 1.2 m3/m2·h。
Design discharge: 2.5 m3/h；Residence time: 2 h；Quantity: 1；Size: 0.9 × 2.5 × 2.5m；
7, equipment room:
(1) dephosphorization agent chemicals dosing plant: dosing metering pump: 1, performance parameter: 5L/h, 5bar, 0.02kw, molten medicine-chest: PT-
500L-PE (one).
(2) blower: best-top (HC-40S) 2, the m of Q=0.6 is turned round3/ min, P=50 kPa, N=0.75kw.
(3) reflux pump: 1, self priming pump Q=8m3/ h, H=5m, P=0.75kw；
(4) backwashing pump: 1, self priming pump Q=40m3/ h, H=12m, N=3.5kw
(5) control cabinet: the prior art is not described herein herein.
It is to be understood that: although above-described embodiment retouches mentality of designing of the invention detailed text of contrasting
It states, but these verbal descriptions, only the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention falls within the protection scope of the present invention.
Claims (18)
1. a kind of integrated rural domestic sewage treatment device, including sanitary sewage disposal cabinet, sanitary sewage disposal cabinet with
It is secondary by anoxic pond, aerobic tank one, aerobic tank two, chemical dephosphorization sedimentation basin, equipment room, it is characterized in that:
1) sand filter is equipped between equipment room and chemical dephosphorization sedimentation basin；
2) it is equipped in anoxic pond by 30--40% polyurethane and 60--70% carbon fibre filler compounded mix, filling rate is greater than
28%, less than 35%；
3) it is equipped with respectively in aerobic tank one and aerobic tank two by 60-64% porous gel and 36-40% carbon fibre filler is compound fills out
Material, filling rate are greater than 28%, less than 35%；
4) chemical dephosphorization sedimentation basin includes flocculation reaction area and tube settling district, and aerobic tank is discharged in reaction zone and dephosphorization with ferric salt agent
Sufficiently after reaction flocculation, precipitated by tube settling district, supernatant is discharged from top overflow weir, and sludge settling is in bottom by sludge
Sludge-tank is got in pump timing.
2. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: carbon fibre filler is bee
Helicotrema shape filler, the bee helicotrema shape filler distribution and the top and bottom for being fixed on aerobic tank.
3. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: one lower part of aerobic tank is equipped with
Upper layer and lower layer aeration head, every layer of aeration head are two rows and no less than 4, and two row's aeration head nozzles intersect opposite injection and bump against,
And form flow eddies agitation liquid.
4. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: two lower part of aerobic tank is equipped with
Upper layer and lower layer aeration head, every layer of aeration head are two rows and no less than 8, and two row's aeration head nozzles intersect opposite injection and bump against.
5. according to integrated rural domestic sewage treatment device described in claim 3-4, it is characterized in that: the diameter of aeration head is big
In 200mm, it is less than 220mm.
6. integrated rural domestic sewage treatment device according to claim 2 or 3, it is characterized in that: anoxic pond, aerobic tank
One and aerobic tank two in aeration head assembly pass through branch air hose and branch road valve and air hose parallel communication, air hose and blower respectively
Connection.
7. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: filtrate thickness 1.1m~
1.5m, 1.2~2 mm of sand partial size, filtering velocity are 1.1~1.3 m3/m2·h。
8. integrated rural domestic sewage treatment device according to claim 4, it is characterized in that: in chemical dephosphorization sedimentation basin
Dosing reaction zone accelerates reaction using aeration stirring, and the inclined tube setting angle in tube settling district is 55 °~60 °, inclined tube aperture
For the mm of 80 mm~100, inclined tube length is the m of 1.0 m~1.2.
9. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: aerobic tank two and anoxic pond
Between be equipped with mixed liquor return pipe, the di-nitrated bacterium of aerobic tank is easier to be enriched with, more preferable from the denitrification effect that flows back of aerobic tank two.
10. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: chemical dephosphorization sedimentation basin
Bottom is provided with sewage sludge storage discharge port, is that sludge transports pond below discharge port, chemical dephosphorization precipitates bottom of pond portion to be cleared up equipped with sludge
Device.
11. integrated rural domestic sewage treatment device according to claim 10, it is characterized in that: sludge cleaning plant by
It pushes away mud shovel, push rod and power source to constitute, push rod one end is connect with mud shovel is pushed away, and the push rod other end is connect with power source, and power source is logical
Cross push rod push away mud shovel will be deposited in base sludge scoop up shift onto sludge excretion pond and by be located at sludge excretion pond in pumping
It walks.
12. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: being equipped in sand filter anti-
Flushing mechanism.
13. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: the sand in sand filter is led
In be distributed with more with sparge pipe and multiple water jets are distributed in the pipe shafts of sparge pipe.
14. integrated rural domestic sewage treatment device according to claim 1 is used for it is characterized in that: equipment room is equipped with
Add dephosphorization agent dosing metering pump, revolution blower, reflux pump, backwashing pump, control cabinet.
15. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: anoxic pond 11, aerobic tank
One, two upper surface of aerobic tank is respectively equipped with inspection-pit.
16. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: chemical dephosphorization sedimentation basin
Upper surface is equipped with dosing area access cover.
17. integrated rural domestic sewage treatment device according to claim 1, it is characterized in that: equipment room is equipped with ventilative
Mouthful.
18. a kind of sewage water treatment method of integrated rural domestic sewage treatment device, it is characterized in that:
(1) A/O/O biological denitrificaion:
Aminating reaction: in raw sewerage principal mode existing for nitrogen be organonitrogen compound (protein and amino acid) and
Ammonia nitrogen etc., under the action of ammonifiers, organonitrogen compound decomposes, is converted into ammoniacal nitrogen；
Nitration reaction: nitration reaction is completed by aerobic from oxygen type microorganism, is carbon source by NH using inorganic carbon under aerobic state4 +It is oxidized to NO2 -, then it is reoxidised into NO3 -, make nitrobacteria in aerobic tank be easier to be enriched with, nitration reaction is more thorough；
Anti-nitration reaction: anti-nitration reaction is under anaerobic condition, and nitrite nitrogen, nitrate nitrogen are reduced into gas by denitrifying bacterium
State nitrogen (N2) process, denitrifying bacterium be heterotroph microorganism, belong to facultative bacteria more, in anaerobic condition, utilize nitrate
In oxygen as electron acceptor, using organic matter as electron donor, energy is provided and is oxidized stabilization, in the metabolism of denitrifying bacterium
Under activity, NO3There are two path for transformation by-N: assimilation denitrification (synthesis), final product is organonitrogen compound, becomes thallus
Component part；Alienation denitrification (decomposition), final product are gaseous nitrogen；
(2) chemical dosing dephosphorization:
Anoxic pond, aerobic tank do not have phosphorus removal functional, and aerobic tank water outlet setting chemical dephosphorization pond adds dephosphorization agent, in system
Total phosphorus carries out chemical dephosphorization, it is ensured that water outlet total phosphorus is up to standard, and the precipitating sludge row that dephosphorization pond generates is placed in by sludge cleaning plant
By fecal suction truck periodic cleaning in mudpan；
(3) sand filter
The water outlet of chemical dephosphorization pond enters sand filter, and sand filter can effectively remove the pollutants such as SS and COD in water, sewage water outlet
Water quality indicator are as follows: CODCr≤ 45 mg/L, SS≤8 mg/L, BOD≤8 mg/L, TP≤0.5 mg/L；Ammonia nitrogen≤4 mg/L,
Sand filter need to be backwashed periodically.
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