CN107055976A - A kind of municipal sewage system and its processing method - Google Patents
A kind of municipal sewage system and its processing method Download PDFInfo
- Publication number
- CN107055976A CN107055976A CN201710435363.1A CN201710435363A CN107055976A CN 107055976 A CN107055976 A CN 107055976A CN 201710435363 A CN201710435363 A CN 201710435363A CN 107055976 A CN107055976 A CN 107055976A
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- Prior art keywords
- settling zone
- hole
- activated sludge
- municipal sewage
- reaction tank
- Prior art date
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000010802 sludge Substances 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 20
- 230000001954 sterilising effect Effects 0.000 claims abstract description 17
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 7
- 239000007844 bleaching agent Substances 0.000 claims description 7
- 239000003344 environmental pollutant Substances 0.000 claims description 7
- 231100000719 pollutant Toxicity 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 238000011953 bioanalysis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- 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
- C02F3/12—Activated sludge processes
Abstract
The invention discloses a kind of municipal sewage system, including the setting pot being sequentially connected, aerobic reaction tank and sterilization pool, the first settling zone and the second settling zone are divided into by first baffle in the setting pot, first settling zone is connected with inlet valve, and the flowing water Valve of the settling zone of insertion first and the second settling zone is provided with first baffle；It is provided with the top of aerobic reaction tank on support, support and is provided with lifting motor, lifting motor is connected with material-storing box by chain, material-storing box includes bottom plate and top plate, connected between bottom plate and top plate by framework, be provided with framework inside oven wire mesh blanket, oven wire mesh blanket and be contained with activated sludge；Sterilization pool is connected by return pipe with the second settling zone, and reflux pump is provided with return pipe.The present invention can improve the deficiencies in the prior art, simplify the process equipment of activated sludge recovery, improve the utilization rate of activated sludge.
Description
Technical field
The present invention relates to municipal wastewater processing technology field, especially a kind of municipal sewage system and its processing side
Method.
Background technology
City domestic sewage is essentially from family, business and urban public utilities etc., and organic matter is the main of sanitary sewage
Pollutant, for example：Starch, protein, carbohydrate and vegetable oil etc., it is the COD of city domestic sewage, BOD, total
Nitrogen quantity and total phosphorus content are all of a relatively high.When nitrogen content and the higher water quality of phosphorus content are discharged into nature, easily cause the richness of water body
Nutrient laden, causes algae raised growth to breed, red tide and wawter bloom can be caused when serious, so that water quality deterioration, pollutes environment.City
The major pollutants of sanitary sewage are organic matters.For sanitary sewage, bioanalysis is mainly used both at home and abroad at present.Bioanalysis includes
Activated sludge process, the major class of biomembrance process two, and based on activated sludge process.The B of Chinese invention patent CN 103910463 are disclosed
A kind of BC new urban sewage treatment process, although this process can carry out effective processing, this work to sewage
Skill needs for secondary precipitation, and supporting activated sludge recycling system, Er Qieqi in the water body after active sludge treatment
Utilization rate for activated sludge is relatively low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of municipal sewage system and its processing method, it can solve the problem that existing
The deficiency of technology, simplifies the process equipment of activated sludge recovery, improves the utilization rate of activated sludge.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of municipal sewage system, including setting pot, aerobic reaction tank and the sterilization pool being sequentially connected, the sand setting
The first settling zone and the second settling zone are divided into by first baffle in pond, the first settling zone is connected with inlet valve, first baffle
On be provided with the flowing water Valve of the settling zone of insertion first and the second settling zone, if the first settling zone bottom is provided with the filter of dried layer metal
Net, the bottom of the second settling zone is provided with activated carbon adsorption layer；It is provided with to be provided with support, support at the top of aerobic reaction tank and carries
Lifting motor, lifting motor is connected with material-storing box by chain, and material-storing box includes bottom plate and top plate, passes through frame between bottom plate and top plate
Frame is connected, and is provided with framework inside oven wire mesh blanket, oven wire mesh blanket and is contained with activated sludge, is set on the outside of oven wire mesh blanket
Having heaters, filled with filter cotton layer between oven wire mesh blanket and framework, is provided with air blower, air blower passes through inflation on support
Flexible pipe is connected with top plate, and aerobic reaction tank bottom, which is provided with immersible pump, framework, is provided with several shower nozzles, and immersible pump passes through spray
Water tube hose is connected with shower nozzle；Agitator is provided with sterilization pool, sterilization pool is connected by return pipe with the second settling zone, return pipe
On be provided with reflux pump.
Preferably, the bottom surface of the metal screen is provided with the hard catch that several are parallel to each other, hard catch top
Portion is symmetrical arranged the inclined inclined plane in oriented both sides, the height of inclined plane from the centre of hard catch to the both sides of hard catch by
Gradually reduce, adjacent hard catch is staggered, gap is remained between hard catch, the edge of hard catch is provided with first
Elastic block piece is provided with through hole, first through hole, elastic block piece coordinates with first through hole gap.
Preferably, the elastic block piece is connected in first through hole by connecting shaft, it is provided with first through hole with connecting
The limited block of spindle selective exposure, the anglec of rotation of the connecting shaft in first through hole is 15 °~30 °, is provided with inclined plane
The first groove connected with first through hole.
Preferably, being provided with spiral stream guidance groove in the oven wire mesh blanket, spiral stream guidance rooved face is provided with several
Second through hole, inflated hose is connected with spiral stream guidance groove, and two second baffles are provided between adjacent shower nozzle, and second baffle is located at
In filter cotton layer.
Preferably, the shower nozzle includes the first jet at center and on the outside of first jet, if circularizing arrangement
The angle of dry second nozzle, second nozzle and first jet is 65 °.
Bellmouth is provided with preferably, being provided with the first jet in cock body, cock body, the bottom of cock body is provided with
With the one-to-one baffling-face of second nozzle, current are reflected into second nozzle by baffling-face.
A kind of processing method of above-mentioned municipal sewage system, comprises the following steps：
A, sewage flow into the first settling zone by inlet valve and carry out preliminary sedimentation, and then flowing into second by flowing water Valve precipitates
Area, further adsorption cleaning is carried out using activated carbon adsorption layer to sewage；Flowing water Valve and inlet valve interlock opening, outlet valve
Door is 15min~30min with the time that inlet valve is remained turned-off simultaneously；
B, the water body handled by setting pot enter aerobic reaction tank, and lifting motor drives uniform motion above and below material-storing box progress,
At the same time immersible pump and air blower send into water body and air to material-storing box respectively, using activated sludge to the pollutant in water body
Oxidation Decomposition is carried out, heater is heated to the decomposition region of activated sludge, and heating and temperature control is at 35 DEG C~40 DEG C；
C, the water body handled by aerobic reaction tank enter sterilization pool, and bleaching powder is added in sterilization pool and is carried out disinfection, reflux pump
Water body containing bleaching powder is persistently injected into the second settling zone, the microorganism growth in the second settling zone is suppressed, flowed back
The ratio between injected water volume of pump and inlet valve is 15:1.
The beneficial effect brought using above-mentioned technical proposal is：The present invention passes through the improvement to aerobic reaction tank, drop
The low outer discharge of activated sludge, improves decomposition efficiency of the activated sludge for pollutant in water body, without using dirty
Mud recovery system.Activated sludge is placed in material-storing box, is moved up and down under the drive of lifting motor, thus realize for
The comprehensive engagement and processing of diverse location water body in aerobic reaction tank.Nozzle on the outside of material-storing box realizes the pressurization injection of water body,
Simultaneously the inflated hose at the top of material-storing box from top to bottom injects air into material-storing box, so as to realize the water body in material-storing box
With being sufficiently mixed for air, in the presence of activated sludge, the fast decoupled of pollutant is realized.Heater is arranged on material-storing box
It is interior, temperature control can be carried out to the comfort zone of activated sludge, so as to further improve the decomposition efficiency of activated sludge.Cross
Filter pulp layer can prevent activated sludge from leaking out, and the water body of at the same time ecto-entad injection is rushed in real time to filter cotton layer
Wash, it is to avoid activated sludge blocks filter cotton layer.By setting hard catch below metal screen, precipitation can be effectively improved
The collection fixed effect of thing.Second baffle can reduce mobile phase mutual resistance of the injection water body with injection air at filtering surface layer
Hinder, improve the flowing velocity of water body and air.In addition, under the jet-action of second nozzle, can between second baffle shape
Into water body and the local circulation of the mixed flow of air, so as to further improve decomposition of the water body in activated sludge comfort zone
Effect.The water body containing bleaching powder is injected to the second settling zone using return pipe, pair of activated carbon adsorption layer can be effectively improved
The absorption and the effect of suppression of microorganism in water body.
Brief description of the drawings
Fig. 1 is the structure chart of an embodiment of the invention.
Fig. 2 is the structure chart of metal screen in an embodiment of the invention.
Fig. 3 is the structure chart of first through hole in an embodiment of the invention.
Fig. 4 is the structure chart of material-storing box in an embodiment of the invention.
Fig. 5 is the structure chart of shower nozzle in an embodiment of the invention.
In figure：1st, setting pot；2nd, aerobic reaction tank；3rd, sterilization pool；4th, first baffle；5th, the first settling zone；6th, second sinks
Shallow lake area；7th, inlet valve；8th, flowing water Valve；9th, metal screen；10th, activated carbon adsorption layer；11st, support；12nd, lifting motor；13、
Chain；14th, material-storing box；15th, bottom plate；16th, top plate；17th, framework；18th, oven wire mesh blanket；19th, filter cotton layer；20th, air blower；
21st, inflated hose；22nd, immersible pump；23rd, shower nozzle；24th, water hose；25th, agitator；26th, return pipe；27th, reflux pump；28th, it is hard
Matter catch；29th, inclined plane；30th, first through hole；31st, elastic block piece；32nd, connecting shaft；33rd, limited block；34th, the first groove；35、
Spiral stream guidance groove；36th, the second through hole；37th, second baffle；38th, first jet；39th, second nozzle；40th, cock body；41st, bellmouth；
42nd, baffling-face；43rd, heater；44th, the second groove；45th, depressed part；46th, baffle；47th, third through-hole.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and accompanying drawing
Record can carry out customized, and the specific connected mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional meanses such as connect, paste, will not be described in detail herein.
Reference picture 1-5, one embodiment of the present invention is including the setting pot 1 being sequentially connected, aerobic reaction tank 2 and disappears
Malicious pond 3, in the setting pot 1 by first baffle 4 points be the first settling zone 5 and the second settling zone 6, the first settling zone 5 is with entering
Penstock 7 is connected, and the flowing water Valve 8 of insertion the first settling zone 5 and the second settling zone 6, the first precipitation are provided with first baffle 4
If the bottom of area 5 is provided with dried layer metal screen 9, the bottom of the second settling zone 6 is provided with activated carbon adsorption layer 10；Aerobic reaction tank
2 tops, which are provided with support 11, support 11, is provided with lifting motor 12, and lifting motor 12 is connected with material-storing box by chain 13
14, material-storing box 14 includes bottom plate 15 and top plate 16, is connected, is provided with framework 17 by framework 17 between bottom plate 15 and top plate 16
Activated sludge is contained with inside oven wire mesh blanket 18, oven wire mesh blanket 18, the outside of oven wire mesh blanket 18 sets having heaters 43, gold
Belong to being filled between silk screen layer 18 and framework 17 on filter cotton layer 19, support 11 and be provided with air blower 20, air blower 20 is by filling
Gas flexible pipe 21 is connected with top plate 16, and the bottom of aerobic reaction tank 2 is provided with immersible pump 22, framework 17 and is provided with several shower nozzles
23, immersible pump 22 is connected by water hose 24 with shower nozzle 23；Agitator 25 is provided with sterilization pool 3, sterilization pool 3 passes through backwater
Pipe 26 is connected with the second settling zone 6, and reflux pump 27 is provided with return pipe 26.The bottom surface of metal screen 9 is provided with several phases
Mutual parallel hard catch 28, the top of hard catch 28 is symmetrical arranged the inclined inclined plane 29 in oriented both sides, the height of inclined plane 29
Degree is gradually reduced from the centre of hard catch 28 to the both sides of hard catch 28, and adjacent hard catch 28 is staggered, hard
Gap is remained between catch 28, the edge of hard catch 28, which is provided with first through hole 30, first through hole 30, sets flexible
Catch 31, elastic block piece 31 coordinates with the gap of first through hole 30.Elastic block piece 31 is connected to first through hole 30 by connecting shaft 32
It is interior, the limited block 33 with the selective exposure of connecting shaft 32 is provided with first through hole 30, connecting shaft 32 is in first through hole 30
The anglec of rotation is to be provided with the first groove 34 connected with first through hole 30 in 20 °, inclined plane 29.Set in oven wire mesh blanket 18
There is spiral stream guidance groove 35, the surface of spiral stream guidance groove 35 is provided with several the second through holes 36, inflated hose 21 and spiral stream guidance groove
35 are connected, and two second baffles 37 are provided between adjacent shower nozzle 23, and second baffle 37 is located in filter cotton layer 19.Shower nozzle 23 is wrapped
Include the first jet 38 at center and positioned at the outside of first jet 38, circularize several second nozzles 39, second nozzle of arrangement
39 and the angle of first jet 38 are 65 °.It is provided with first jet 38 in cock body 40, cock body 40 and is provided with bellmouth 41, is filled in
The bottom of body 40 be provided with the one-to-one baffling-face of second nozzle 39 42, current are reflected into the second spray by baffling-face 42
Mouth 39.
In addition, being provided with the second groove 44 in the outside of bellmouth 41, the edge of the second groove 44 is provided with depressed part 45.
The water body that stream sprays in from bellmouth 41 is disperseed at the second groove 44, and the second groove 44 can limit the scattered model of water body
Enclose, so as to realize effective driving for water body in the second groove 44.When water body sprays, the position of depressed part 45 can improve
The driving effect of the edge water body of two groove 44.
It is provided with baffle 46 in second nozzle 39, baffle 46 coordinates with the gap of second nozzle 39, baffle 46 and the
The axial angle of two nozzles 39 is 45 °, third through-hole 47 on the madial wall of second nozzle 39, and third through-hole 47 is located at baffle 46
Reflection path on.46 pairs of part water bodys of baffle carry out the adjustment of flow direction, are sprayed at third through-hole 47, so as to improve
The intensity and scope of the local circulation of the mixed flow of the formation of water body and air between second baffle.
A kind of processing method of above-mentioned municipal sewage system, comprises the following steps：
A, sewage flow into the first settling zone 5 by inlet valve 7 and carry out preliminary sedimentation, then flow into second by flowing water Valve 8
Settling zone 6, further adsorption cleaning is carried out using activated carbon adsorption layer 10 to sewage；Flowing water Valve 8 is staggeredly beaten with inlet valve 7
Open, flowing water Valve 8 is 20min with the time that inlet valve 7 is remained turned-off simultaneously；
B, the water body handled by setting pot 1 enter aerobic reaction tank 2, and lifting motor 12 drives material-storing box 14 to carry out up and down at the uniform velocity
Motion, at the same time immersible pump 22 and air blower 20 are respectively to the feeding water body of material-storing box 14 and air, using activated sludge to water
Internal pollutant carries out oxidation Decomposition, and heater 43 is heated to the decomposition region of activated sludge, and heating and temperature control exists
39℃；
C, the water body handled by aerobic reaction tank 2 enter sterilization pool 3, and bleaching powder is added in sterilization pool and is carried out disinfection, is flowed back
Water body containing bleaching powder is persistently injected the second settling zone by pump 27（6）, the microorganism growth in the second settling zone 6 is pressed down
The ratio between injected water volume of system, reflux pump 27 and inlet valve 7 is 15:1.
The aluminium chloride of 0.35wt% citric acid, 1.5wt% acrylamide and 2.1wt%, the above are added in activated sludge
Mass percent is using the gross weight of activated sludge as reference.The service life of activated sludge can be extended, activated sludge is reduced
Loss.
The present invention does not need sludge retracting device, and equipment manufacturing cost is low, and floor space is small, is easy to lay, and activated sludge
Utilization rate it is high, cost of sewage disposal is low.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of municipal sewage system, including the setting pot being sequentially connected（1）, aerobic reaction tank（2）And sterilization pool（3）,
It is characterized in that：The setting pot（1）It is interior to pass through first baffle（4）It is divided into the first settling zone（5）With the second settling zone（6）, the
One settling zone（5）With inlet valve（7）It is connected, first baffle（4）On be provided with the settling zone of insertion first（5）With the second settling zone
（6）Flowing water Valve（8）, the first settling zone（5）If bottom is provided with dried layer metal screen（9）, the second settling zone（6）Bottom
It is provided with activated carbon adsorption layer（10）；Aerobic reaction tank（2）Top is provided with support（11）, support（11）On be provided with lifting electricity
Machine（12）, lifting motor（12）Pass through chain（13）It is connected with material-storing box（14）, material-storing box（14）Including bottom plate（15）And top plate
（16）, bottom plate（15）And top plate（16）Between pass through framework（17）Connection, framework（17）Inside it is provided with oven wire mesh blanket（18）, gold
Belong to silk screen layer（18）Inside is contained with activated sludge, oven wire mesh blanket（18）Outside sets having heaters（43）, oven wire mesh blanket
（18）With framework（17）Between filled with filter cotton layer（19）, support（11）On be provided with air blower（20）, air blower（20）It is logical
Gas overcharging flexible pipe（21）With top plate（16）Connection, aerobic reaction tank（2）Bottom is provided with immersible pump（22）, framework（17）It is upper to set
There are several shower nozzles（23）, immersible pump（22）Pass through water hose（24）With shower nozzle（23）It is connected；Sterilization pool（3）Inside it is provided with and stirs
Mix device（25）, sterilization pool（3）Pass through return pipe（26）With the second settling zone（6）It is connected, return pipe（26）On be provided with reflux pump
（27）.
2. municipal sewage system according to claim 1, it is characterised in that：The metal screen（9）Bottom surface set
It is equipped with several hard catch being parallel to each other（28）, hard catch（28）Top is symmetrical arranged the inclined inclined plane in oriented both sides
（29）, inclined plane（29）Height by hard catch（28）Centre to hard catch（28）Both sides gradually reduce, it is adjacent
Hard catch（28）It is staggered, hard catch（28）Between remain with gap, hard catch（28）Edge be provided with first
Through hole（30）, first through hole（30）Inside it is provided with elastic block piece（31）, elastic block piece（31）With first through hole（30）Gap coordinates.
3. municipal sewage system according to claim 2, it is characterised in that：The elastic block piece（31）Pass through connection
Axle（32）It is connected to first through hole（30）It is interior, first through hole（30）Inside it is provided with and connecting shaft（32）The limited block of selective exposure
（33）, connecting shaft（32）In first through hole（30）The interior anglec of rotation be 15 °~30 °, inclined plane（29）On be provided with first
Through hole（30）First groove of connection（34）.
4. municipal sewage system according to claim 1, it is characterised in that：The oven wire mesh blanket（18）It is interior to set
There is spiral stream guidance groove（35）, spiral stream guidance groove（35）Surface is provided with several the second through holes（36）, inflated hose（21）With spiral shell
Revolve guiding gutter（35）It is connected, adjacent shower nozzle（23）Between be provided with two second baffles（37）, second baffle（37）Positioned at filtering
Cotton layer（19）It is interior.
5. municipal sewage system according to claim 4, it is characterised in that：The shower nozzle（23）Including center
One nozzle（38）With positioned at first jet（38）Outside, circularizes several second nozzles of arrangement（39）, second nozzle（39）
With first jet（38）Angle be 65 °.
6. municipal sewage system according to claim 5, it is characterised in that：The first jet（38）Inside it is provided with
Cock body（40）, cock body（40）Inside it is provided with bellmouth（41）, cock body（40）Bottom be provided with and second nozzle（39）One a pair
The baffling-face answered（42）, current pass through baffling-face（42）It is reflected into second nozzle（39）.
7. a kind of processing method of the municipal sewage system described in any one of the claims 1~6, it is characterised in that
Comprise the following steps：
A, sewage pass through inlet valve（7）Flow into the first settling zone（5）Preliminary sedimentation is carried out, then passes through flowing water Valve（8）Stream
Enter the second settling zone（6）, utilize activated carbon adsorption layer（10）Further adsorption cleaning is carried out to sewage；Flowing water Valve（8）With entering
Penstock（7）Staggeredly open, flowing water Valve（8）With inlet valve（7）The time remained turned-off simultaneously is 15min~30min；
B, by setting pot（1）The water body of processing enters aerobic reaction tank（2）, lifting motor（12）Drive material-storing box（14）Carry out
Uniform motion up and down, at the same time immersible pump（22）And air blower（20）Respectively to material-storing box（14）Send into water body and air, profit
Oxidation Decomposition, heater are carried out to the pollutant in water body with activated sludge（43）The decomposition region of activated sludge is added
Heat, heating and temperature control is at 35 DEG C~40 DEG C；
C, by aerobic reaction tank（2）The water body of processing enters sterilization pool（3）, addition bleaching powder carries out disinfection in sterilization pool,
Reflux pump（27）Water body containing bleaching powder is persistently injected into the second settling zone（6）, to the second settling zone（6）Interior microorganism life
It is long to be suppressed, reflux pump（27）With inlet valve（7）The ratio between injected water volume be 15:1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109354332A (en) * | 2018-12-11 | 2019-02-19 | 佛山科学技术学院 | A kind of household sewage multistep treatment circulation recycling device using biological compound fungi agent |
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| CN204918324U (en) * | 2015-09-15 | 2015-12-30 | 湖南赛隆药业有限公司 | A effluent treatment plant for in ganglioside production process |
| CN205635271U (en) * | 2016-05-15 | 2016-10-12 | 湖南鼎坚环保科技发展有限公司 | Novel industrial waste water integration is handled device |
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| CN102603061A (en) * | 2012-03-07 | 2012-07-25 | 宜兴市金德环保设备有限公司 | Moving bed bio-film reactor |
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Application publication date: 20170818 |