CN108929003A - A kind of municipal wastewater processing system and method - Google Patents
A kind of municipal wastewater processing system and method Download PDFInfo
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- CN108929003A CN108929003A CN201811060086.1A CN201811060086A CN108929003A CN 108929003 A CN108929003 A CN 108929003A CN 201811060086 A CN201811060086 A CN 201811060086A CN 108929003 A CN108929003 A CN 108929003A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of municipal wastewater processing system and methods, processing system includes stripping pond, primary sedimentation tank, hydrolytic tank, anaerobic pond, aerobic tank, flocculation sedimentation case, ozone contact tank and sterilization pool, primary sedimentation tank connects stripping pond and hydrolytic tank, the bottom in stripping pond is equipped with aeration tube, anaerobic pond connects hydrolytic tank and aerobic tank, and ozone contact tank connects flocculation sedimentation case and sterilization pool；Method includes the following steps: (a) primary treatment；(b) biological treatment；(c) flocculation treatment；(d) two stage treatment.Processing system operational management is convenient in the present invention, it is reliable and stable, high treating effect effectively removes pollutant and impurity in waste water, reduces the harm of waste water, processing method simple process, easily controllable, carrying out step by step is incremental, the processing cost for reducing waste water as far as possible, improves the treatment effect of waste water.
Description
Technical field
The invention belongs to water treatment field more particularly to a kind of municipal wastewater processing systems and method.
Background technique
For city domestic sewage mainly from family, business and urban public utilities etc., organic matter is the main of sanitary sewage
Pollutant, such as: 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 relatively high.When nitrogen content and the higher water quality of phosphorus content are discharged into nature, the richness of water body is easily caused
Nutrient laden causes algae raised growth to breed, will cause red tide and wawter bloom when serious, so that water quality deterioration, pollutes environment.
Common municipal wastewater processing method uses biochemical method, but the often treatment effect in actual moving process
Undesirable, the main reason is that the variation of Pollutants in Wastewater complicated component, water is greatly, what is be added in some waste water treatment process adds
Agent is added to be unfavorable for the growth of biological respinse strain, so being difficult to that waste water is made to reach reuse or discharge mark using these methods
It is quasi-.
Summary of the invention
Above-mentioned technical problem present in present invention aims to solve the prior art provides a kind of municipal wastewater processing system
System and method, processing system operational management are convenient, reliable and stable, high treating effect, effectively remove pollutant in waste water and miscellaneous
Matter reduces the harm of waste water, and processing method simple process, easily controllable, carrying out step by step is incremental, as far as possible reduction waste water
Processing cost, improve the treatment effect of waste water.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of municipal wastewater processing system, it is characterised in that: including stripping pond, primary sedimentation tank, hydrolytic tank, anaerobic pond, aerobic
Pond, flocculation sedimentation case, ozone contact tank and sterilization pool, primary sedimentation tank connect stripping pond and hydrolytic tank, and the bottom in stripping pond, which is equipped with, to expose
Tracheae, anaerobic pond connect hydrolytic tank and aerobic tank, and ozone contact tank connection flocculation sedimentation case and sterilization pool, flocculation sedimentation case include
Cabinet, support frame and bottom plate, support frame are set between bottom plate and cabinet, and the top of cabinet is equipped with cover board, and cover board is equipped with driving
Motor, driving motor are connected with agitating shaft, choke block are equipped in cabinet, and throttle orifice is evenly distributed on choke block, and choke block will
Cabinet is divided into flocculation reaction area and filtrate stands area, and the side of cabinet is respectively equipped with water inlet, water outlet and feed opening, intakes
Mouth, feed opening are communicated with flocculation reaction area, and water outlet stands area with filtrate and communicates, and agitating shaft passes through choke block, are indulged on agitating shaft
To agitating paddle is distributed with, agitating paddle is located in flocculation reaction area, and stirring bar is equipped between agitating paddle, and stirring bar is equally spaced, stirs
The top for mixing axis is equipped with fixed plate, is evenly distributed with hairbrush on the bottom surface of fixed plate, is respectively equipped with discharge gate on the bottom surface of cabinet
With splicing plate, splicing plate blocks discharge gate, and bottom plate is equipped with fixing axle, and fixing axle is equipped with cross bar, and one end activity of cross bar connects
It is connected to T-type bracket, the top of T-type bracket and the bottom surface of splicing plate contradict；The processing system operational management is convenient, reliable and stable,
High treating effect effectively removes pollutant and impurity in waste water, reduces the harm of waste water.
Further, positioning convex strip is symmetrically distributed on the bottom surface of cover board, positioning convex strip is contacted with the inner wall of cabinet, by fixed
Position raised line is touched with the inner wall that top of the box is open, and realizes cover board limit on cabinet, it is not easy to it slides, stability is high,
Installation is simple, convenient disassembly.
Further, it is equipped with annular in cabinet and puts item, the bottom surface of cover board is equipped with telescopic spring bar, the lower end of telescopic spring bar
Equipped with press strip, choke block is limited by press strip and is put on item in annular by telescopic spring bar, after cover board is installed on cabinet, spring
Extruding of the one end of telescopic rod by cover board generates elastic force and is applied on press strip, so that press strip pushes choke block, and annular puts item
The bottom surface of choke block is held, realizes that choke block limit is fixed on press strip and annular is put between item, install convenient, disassembly is convenient for clear
It washes, replace, flexibly and easily.
Further, driving motor is fixed on the cover board by mounting bracket, and shaft coupling is equipped between driving motor and agitating shaft
Device, shaft coupling are realized being detachably connected between driving motor and agitating shaft between mounting bracket, through shaft coupling, are dismounted
Convenient, side's operation on the cover board, operating space is big, reduces operation difficulty.
Further, blender and partition are equipped in hydrolytic tank, partition is interspersed up and down, and iron is evenly distributed on partition
Piece constantly stirs waste water, changes the flow velocity and flow direction of waste water under the action of blender, increases on waste water and partition
The contact area of iron plate improves the efficiency of hydrolysis, quickly converts the oxidisability macromolecular substances in waste water to degradable
Small-molecule substance, partition is interspersed up and down, plays barrier effect, waste water is forced to flow according to the path that is separated to form, stream
Dynamic path lengthens, and increases the time of contact of waste water and iron plate, guarantees hydrolysis more sufficiently, thoroughly.
Further, splicing plate is equipped with annular convex ring, and annular convex ring matches with discharge gate, and annular convex ring is directed at discharge
Mouth is caught in, and realizes the location and installation of splicing plate, discharge gate is blocked completely, improves the convenience of installation, annular convex ring and splicing
Splicing space is formed between plate, convenient for loading sediment.
Further, it is equipped with reinforcing rod between adjacent aeration tube, improves the bonding strength between adjacent aeration tube, is linked to be one
Body, it is not easy to be toppled over by water impact, guarantee to be aerated progress working properly.
Further, the side of cabinet is equipped with transparent windows, can intuitively can be clearly seen in cabinet by transparent windows
The disposition of waste water and the working condition of component, the delamination of liquid in cabinet is judged convenient for staff, is discharged in time
Supernatant liquor and lower sediment thing guarantee that wastewater treatment is carried out continuously.
A kind of municipal wastewater processing method, it is characterised in that include the following steps:
(a) primary treatment: the waste water of collection is first driven into progress stripping processing in stripping pond, stripping pond is discharged and is introduced
Into primary sedimentation tank, iron powder and active carbon are launched into primary sedimentation tank, control residence time of the waste water in primary sedimentation tank be 30~
Waste water in primary sedimentation tank is introduced into hydrolytic tank and is hydrolyzed by 40min；
(b) biological treatment: hydrolytic tank water outlet is introduced into anaerobic pond, and the active mud content in anaerobic pond is 1~2L, living
Property sludge concentration be 0.8~1g/L, controlling residence time of the waste water in anaerobic pond is 6~8h, and anaerobic pond is discharged and is introduced
In aerobic tank, and the blast aeration into aerobic tank, the active mud content in aerobic tank is 1~2L, and the concentration of activated sludge is 0.8
~1g/L, controlling residence time of the waste water in aerobic tank is 10~12h；
(c) flocculation treatment: aerobic tank being discharged and is introduced into flocculation sedimentation case from water inlet, while through feed opening to flocculation
Flocculant is added in settling tank, opens driving motor, driving motor drives agitating shaft rotation, agitating shaft drive simultaneously agitating paddle with
Fixed plate rotation, by flocculation reaction area waste water and flocculant mix sufficiently, react generation sediment be throttled plate blocking,
It is trapped in flocculation reaction area, hairbrush follows fixed plate to rotate, and the sediment at cabinet inner bottom surface center is swept discharge around
Mouthful, clear liquid enters filtrate through the throttle orifice on choke block and stands in area, is discharged through water outlet；
(d) two stage treatment: the waste water that flocculation sedimentation case water outlet is discharged is introduced into ozone contact tank, and is contacted to ozone
Ozone is added in pond, controlling residence time of the waste water in ozone contact tank is 2~3h, and ozone contact tank water outlet is introduced into and is disappeared
It carries out disinfection in malicious pond, the waste water after disinfection introduces in discharge pond.
Further, a biologic packing material is hung every 3~5m in aerobic tank in step (b), be covered on biologic packing material
Biomembrane, waste water and biofilm contact, the organic matter under the action of metabolic function of microorganism on biomembrane, in waste water
It is further removed, improves clean-up effect.
The present invention is by adopting the above-described technical solution, have the advantages that
Waste water is introduced into stripping pond progress stripping processing, and by the aeration effect of aeration tube, make to contain in waste water can
Dissolubility, volatile organic matter and foul gas are shifted to gas phase, to be removed；Waste water after stripping enters just heavy
In pond, most of pigment and suspended particulate therein are removed；Waste water is entered back into hydrolytic tank and is hydrolyzed, will be in waste water
Oxidisability macromolecular substances are converted into degradable small-molecule substance, improve the biodegradability of waste water, while part organic nitrogen
It is converted to ammonia nitrogen.
Waste water after hydrolysis enters anaerobic pond,, will be in waste water by the metabolism of anaerobe in anaerobic pond
Larger molecular organics are decomposed into small organic molecule, improve the property changed of waste water, and reduce COD value；Waste water enters back into aerobic tank,
Aerobic microbiological generates the organic pollutant in metabolism absorption waste water, and the content of organic pollutant is greatly lowered；Biological treatment
Waste water afterwards enters flocculation sedimentation case, flocculation reaction occurs by the flocculant and waste water of addition, so that the biomembrane in waste water
The sludge settling removal to fall off, while achieving the purpose that chemical dephosphorization；Supernatant liquor in flocculation sedimentation case enters from water outlet
In ozone contact tank, by the molecular structure of ozone layer destroying Pollutants in Wastewater, and then pollutant is removed, increase giving birth to for waste water
The property changed reduction and removes its toxicity, while can remove coloration in waste water；Last waste water, which can enter in sterilization pool, to carry out disinfection,
It is then exhausted from after reaching discharge standard, pollution level is preferably minimized.
In flocculation sedimentation case, driving motor drives agitating shaft rotation, is equipped with stirring bar between agitating paddle, agitating paddle and stirs
Mixing item follows agitating shaft to rotate, and stirring range is big, is sufficiently mixed conducive to waste water and flocculant, between existing between adjacent stirring bar
Gap cuts liquid in whipping process, increases the contact area of waste water and flocculant, improves flocculation reaction efficiency, instead
Sediment after answering is throttled plate blocking, is trapped in flocculation reaction area, clear liquid then collects in filter through the throttle orifice on choke block
Liquid is stood in area, upper lower leaf, convenient separation, and fixed plate follows agitating shaft to rotate, by hairbrush by cabinet inner bottom surface center
Sediment sweeps discharge gate around, reduces precipitate bulk on the inner bottom surface of cabinet, guarantees that flocculation work is carried out continuously, unloads
Lower splicing plate, sediment can be discharged, and the installation of splicing plate is simple, and annular convex ring alignment discharge gate is caught in, realizes splicing plate
Location and installation blocks discharge gate completely, and splicing space is formed between annular convex ring and splicing plate, convenient for loading sediment, when
After splicing plate correspondence is installed on the bottom surface of cabinet, turning T-type bracket contradicts its top and the bottom surface of splicing plate, by more
T-type bracket on a direction supports splicing plate simultaneously, realizes that splicing plate blocks discharge gate, and annular convex ring cooperation detent exists
In discharge gate, so that transverse shifting can not occur for splicing plate, the stability after improving the installation of splicing plate, turning T-type bracket is extremely
When its top is no longer bear against splicing plate, splicing plate can be removed, sediment is discharged.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is a kind of structural schematic diagram of municipal wastewater processing system in the present invention；
Fig. 2 is the schematic diagram of internal structure of flocculation sedimentation case in the present invention；
Fig. 3 is the structural schematic diagram of flocculation sedimentation case in the present invention；
Fig. 4 be Fig. 3 in A to structural schematic diagram；
Fig. 5 is the structural schematic diagram that agitating shaft is connected with agitating paddle in the present invention；
Fig. 6 is the structural schematic diagram of insole board of the present invention；
Fig. 7 is the schematic diagram of internal structure of cabinet in the present invention；
Fig. 8 is the structural schematic diagram of splicing plate in the present invention.
In figure: 1- stripping pond；2- primary sedimentation tank；3- hydrolytic tank；4- anaerobic pond；5- aerobic tank；6- flocculation sedimentation case；7- ozone
Contact chamber；8- sterilization pool；9- aeration tube；10- reinforcing rod；11- blender；12- partition；13- iron plate；14- cabinet；15- support
Frame；16- bottom plate；17- cover board；18- positioning convex strip；19- choke block；20- throttle orifice；21- flocculation reaction area；22- filtrate stands
Area；23- water inlet；24- water outlet；25- feed opening；26- annular puts item；27- telescopic spring bar；28- press strip；29- driving electricity
Machine；30- mounting bracket；31- shaft coupling；32- agitating shaft；33- agitating paddle；34- stirring bar；35- fixed plate；36- hairbrush；37-
Notch；38- discharge gate；39- splicing plate；40- annular convex ring；41- fixing axle；42- cross bar；43-T type bracket；44- transparent observing
Window；45- biologic packing material；46- discharges pond.
Specific embodiment
It as shown in Figures 1 to 8, is a kind of municipal wastewater processing system of the present invention, including stripping pond 1, primary sedimentation tank 2, hydrolysis
Pond 3, anaerobic pond 4, aerobic tank 5, flocculation sedimentation case 6, ozone contact tank 7 and sterilization pool 8, primary sedimentation tank 2 connect stripping pond 1 and hydrolysis
Pond 3, anaerobic pond 4 connect hydrolytic tank 3 and aerobic tank 5, and ozone contact tank 7 connects flocculation sedimentation case 6 and sterilization pool 8, stripping pond 1
Interior bottom is equipped with aeration tube 9, and aeration tube 9 generates aeration effect, makes the solubility contained in waste water, volatile organic matter and evil
Odour is shifted to gas phase, to be removed.Between adjacent aeration tube 9 be equipped with reinforcing rod 10, improve adjacent aeration tube 9 it
Between bonding strength, be connected, it is not easy to be toppled over by water impact, guarantee to be aerated progress working properly.In primary sedimentation tank 2
Dispensing has iron powder and active carbon, the Fe that iron powder and waste water generate2+Flocculation activity with higher, it is original in adsorbable cohesion waste water
Suspended matter, further remove coloration, the pH of waste water also can be improved after reduction reaction occurs in iron and waste water, to reduce in the later period
Most of pigment and suspended particulate in waste water are removed, tentatively mistake is reached using the adsorption capacity of active carbon with the dosage of agent
Filter effect.Blender 11 and partition 12 are equipped in hydrolytic tank 3, about 12 partition is interspersed, and is evenly distributed with iron on partition 12
Piece 13 constantly stirs waste water, changes the flow velocity and flow direction of waste water, increase waste water and partition under the action of blender 11
The contact area of iron plate 13 on 12, improves the efficiency of hydrolysis, quickly converts the oxidisability macromolecular substances in waste water
For degradable small-molecule substance, about 12 partition is interspersed, and plays barrier effect, forces waste water according to the road being separated to form
Diameter flowing, flow path lengthen, and increase the time of contact of waste water Yu iron plate 13, guarantee hydrolysis more sufficiently, thoroughly.
Flocculation sedimentation case 6 includes cabinet 14, support frame 15 and bottom plate 16, support frame 15 be set to bottom plate 16 and cabinet 14 it
Between, the top of cabinet 14 is equipped with cover board 17, is symmetrically distributed with positioning convex strip 18, positioning convex strip 18 and cabinet on the bottom surface of cover board 17
14 inner wall contact, is touched by positioning convex strip 18 with the open-topped inner wall of cabinet 14, realizes the limit of cover board 17 in cabinet 14
On, it is not easy to it slides, stability is high, and installation is simple, convenient disassembly.
It is equipped with choke block 19 in cabinet 14, is evenly distributed with throttle orifice 20 on choke block 19, choke block 19 divides cabinet 14
Area 22 is stood for flocculation reaction area 21 and filtrate, the side of cabinet 14 is respectively equipped with water inlet 23, water outlet 24 and feed opening 25,
Water inlet 23, feed opening 25 are communicated with flocculation reaction area 21, and water outlet 24 and filtrate stand area 22 and communicates, by flocculant from charging
Mouth 25 is added, and waste water enters from water inlet 23, waste water and the flocculant haptoreaction in flocculation reaction area 21, the precipitating after reaction
Object is throttled the blocking of plate 19, is trapped in flocculation reaction area 21, clear liquid then collects in filtrate through the throttle orifice 20 on choke block 19
It stands in area 22, is discharged by water outlet 24, the sludge of the biofilm detachment in waste water is precipitated to removal after flocculation reaction,
Achieve the purpose that chemical dephosphorization simultaneously.Rhodococcus erythropolis flocculant NOC-1 can be used in flocculant, it is a kind of efficient, cheap, nothing
Biological flocculant malicious, without secondary pollution can make solid suspended particle cohesion not degradable in waste water, filtering is facilitated to remove.
It is equipped with annular in cabinet 14 and puts item 26, the bottom surface of cover board 17 is equipped with telescopic spring bar 27, and the lower end of telescopic spring bar 27 is equipped with
Press strip 28, choke block 19 is limited by press strip 28 and is put on item 26 in annular by telescopic spring bar 27, when cover board 17 is installed to cabinet
After on 14, extruding of the one end of telescopic spring bar 27 by cover board 17 generates elastic force and is applied on press strip 28, so that under press strip 28
Choke block 19 is pressed, and annular puts the bottom surface that item 26 holds choke block 19, realizes that the limit of choke block 19 is fixed on press strip 28 and annular
It puts between item 26, install convenient, disassembly is convenient for cleaning, replacement, flexibly and easily.
Cover board 17 is equipped with driving motor 29, and driving motor 29 is threaded on cover board 17 by mounting bracket 30, drives
Dynamic motor 29 is connected with agitating shaft 32 by shaft coupling 31, and shaft coupling 31 is real by shaft coupling 31 between mounting bracket 30
Being detachably connected between existing driving motor 29 and agitating shaft 32, it is convenient to dismount, and operates above cover board 17, and operating space is big,
Reduce operation difficulty.Agitating shaft 32 passes through choke block 19, and genesis analysis has agitating paddle 33 on agitating shaft 32, and agitating paddle 33 is located at
In flocculation reaction area 21, stirring bar 34 is equipped between agitating paddle 33, stirring bar 34 is equally spaced, and stirring range is big, is conducive to waste water
Be sufficiently mixed with flocculant, there are gaps between adjacent stirring bar 34, cut liquid in whipping process, increase waste water and
The contact area of flocculant, improves flocculation reaction efficiency, and the top of agitating shaft 32 is equipped with fixed plate 35, the bottom surface of fixed plate 35
On be evenly distributed with hairbrush 36, the bottom of cabinet 14 is equipped with notch 37, and 37 area of notch is greater than slot bottom area, form stage body shape,
Discharge gate 38 and splicing plate 39 are respectively equipped on the bottom surface of cabinet 14, splicing plate 39 blocks discharge gate 38, and discharge gate 38 is distributed in
37 surrounding of notch, fixed plate 35 follow agitating shaft 32 rotate, by hairbrush 36 by the sediment at 14 inner bottom surface center of cabinet sweep to
The discharge gate 38 of surrounding, reduce precipitate bulk on 14 inner bottom surface of cabinet, in time discharge cleaning, guarantee flocculation work continuously into
Row.
Splicing plate 39 is equipped with annular convex ring 40, and annular convex ring 40 matches with discharge gate 38, annular convex ring 40 is aligned
Discharge gate 38 is caught in, and realizes the location and installation of splicing plate 39, and discharge gate 38 is blocked completely, improves the convenience of installation, annular
Splicing space is formed between bulge loop 40 and splicing plate 39, convenient for loading sediment.Bottom plate 16 is equipped with fixing axle 41, fixing axle 41
It is equipped with cross bar 42, one end of cross bar 42 is connected with T-type bracket 43, the top of T-type bracket 43 and the bottom surface of splicing plate 39
It contradicts, after splicing plate 39 is corresponding to be installed on the bottom surface of cabinet 14, turning T-type bracket 43 makes its top and splicing plate 39
Bottom surface contradicts, and supports splicing plate 39 simultaneously by the T-type bracket 43 in multiple directions, realizes splicing plate 39 by 38 envelope of discharge gate
It is stifled, and annular convex ring 40 cooperates detent in discharge gate 38, so that transverse shifting can not occur for splicing plate 39, improves splicing plate
Stability after 39 installations, when turning T-type bracket 43 to its top is no longer bear against splicing plate 39, can remove splicing plate 39, arrange
Sediment out.
The side of cabinet 14 is equipped with transparent windows 44, can intuitively can be clearly seen in cabinet 14 by transparent windows 44
The disposition of waste water and the working condition of component, the delamination of liquid in cabinet 14 is judged convenient for staff, is arranged in time
Supernatant liquor and lower sediment thing out guarantee that wastewater treatment is carried out continuously.
A kind of municipal wastewater processing method, includes the following steps:
(a) primary treatment: the waste water of collection is first driven into progress stripping processing in stripping pond 1, by stripping pond 1
Aeration tube 9 generates aeration effect, shifts the solubility contained in waste water, volatile organic matter and foul gas to gas phase,
To be removed.The water outlet of stripping pond 1 is introduced into primary sedimentation tank 2, iron powder and active carbon are launched into primary sedimentation tank 2, control is useless
Residence time of the water in primary sedimentation tank 2 is 30~40min, the Fe that iron powder and waste water generate2+Flocculation activity with higher can inhale
Original suspended matter in attached cohesion waste water, further removes coloration, and waste water also can be improved after reduction reaction occurs in iron and waste water
PH, using the adsorption capacity of active carbon, removes most of pigment in waste water and hangs to reduce the dosage of later period neutralizer
Floating particles reach primary filtration effect.Waste water in primary sedimentation tank 2 is introduced into hydrolytic tank 3 and is hydrolyzed, in waste water
Reduction reaction occurs for oxidizing substance and iron plate 13, converts degradable small molecule for the oxidisability macromolecular substances in waste water
Substance improves the biodegradability of waste water, while part organic nitrogen is converted to ammonia nitrogen.
(b) biological treatment: by hydrolytic tank 3 water outlet be introduced into anaerobic pond 4, the active mud content in anaerobic pond 4 be 1~
2L, the concentration of activated sludge are 0.8~1g/L, and controlling residence time of the waste water in anaerobic pond 4 is 6~8h, in anaerobic pond 4
In, by the metabolism of anaerobe, the larger molecular organics in waste water are decomposed into small organic molecule, improve waste water
The property changed, and reduce COD value.The water outlet of anaerobic pond 4 is introduced into aerobic tank 5, and the blast aeration into aerobic tank 5, aerobic tank 5
Interior active mud content is 1~2L, and the concentration of activated sludge is 0.8~1g/L, controls residence time of the waste water in aerobic tank 5
For 10~12h, aeration effect can improve the dissolved oxygen content in waste water, and waste water is made to keep aerobic state, supply in activated sludge
Aerobic microbiological, aerobic microbiological generate metabolism absorption waste water in organic pollutant, reinforce degradation, aeration agitation ratio
Hydraulic mixing is stronger, increases contact area, and removal COD effect is more preferable.Rationally control waste water is in anaerobic pond 4 and aerobic tank 5
Residence time guarantees the time of contact of waste water and microorganism, is capable of increasing the degradation amplitude of COD, and to the water stabilization of waste water
With certain facilitation.
A biologic packing material 15 is hung every 3~5m in aerobic tank 5, is built-in with wood shavings dough made of polyethylene,
Biologic packing material 15 grows depended on carrier as microorganism, biomembrane is covered on biologic packing material 15, waste water connects with biomembrane
Touching, under the action of the metabolic function of microorganism on biomembrane, the organic matter in waste water is further removed, and is improved net
Change effect.
(c) flocculation treatment: aerobic tank 5 is discharged from water inlet 23 and is introduced into flocculation sedimentation case 6, while through feed opening 25
Flocculant is added into flocculation sedimentation case 6, opens driving motor 29, driving motor 29 drives agitating shaft 32 to rotate, agitating shaft 32
Drive agitating paddle 33 and fixed plate 35 to rotate simultaneously, by flocculation reaction area 21 waste water and flocculant mix sufficiently, reaction life
At sediment be throttled plate 19 stop, be trapped in flocculation reaction area 21, hairbrush 36 follow fixed plate 35 rotate, by cabinet 14
The sediment at inner bottom surface center sweeps discharge gate 38 around, and clear liquid enters filtrate through the throttle orifice 20 on choke block 19 and stands area
In 22, it is discharged through water outlet 24；
(d) two stage treatment: the waste water that 6 water outlet 24 of flocculation sedimentation case is discharged is introduced into ozone contact tank 7, and by smelly
Oxygengenerating plant adds ozone into ozone contact tank 7, and controlling residence time of the waste water in ozone contact tank 7 is 2~3h, leads to
The molecular structure of ozone layer destroying Pollutants in Wastewater is crossed, and then removes pollutant, increases biodegradability, reduction and the removal of waste water
Its toxicity, while can remove coloration in waste water.The water outlet of ozone contact tank 7 is introduced into sterilization pool 8 and is carried out disinfection, thimerosal
For liquor natrii hypochloritis, wherein the content of effective chlorine is 20~30mg/L, and the waste water after disinfection is introduced in discharge pond 46 and kept in
Come, carries out chlorine residual measurement before discharging, be then exhausted from after reaching discharge standard, pollution level is preferably minimized.
Waste water, which is introduced into stripping pond 1, carries out stripping processing, by the aeration effect of aeration tube 9, makes to contain in waste water
Soluble, volatile organic matter and foul gas are shifted to gas phase, to be removed；Waste water after stripping enters just
In heavy pond 2, most of pigment and suspended particulate therein are removed；Waste water is entered back into hydrolytic tank 3 and is hydrolyzed, by waste water
In oxidisability macromolecular substances be converted into degradable small-molecule substance, improve the biodegradability of waste water, while part has
Machine nitrogen is converted to ammonia nitrogen.
Waste water after hydrolysis enters anaerobic pond 4,, will be in waste water by the metabolism of anaerobe in anaerobic pond 4
Larger molecular organics be decomposed into small organic molecule, improve the property changed of waste water, and reduce COD value；Waste water enters back into aerobic
Pond 5, aerobic microbiological generate the organic pollutant in metabolism absorption waste water, the content of organic pollutant are greatly lowered；Biology
Treated, and waste water enters flocculation sedimentation case 6, flocculation reaction occurs by the flocculant and waste water of addition, so that the life in waste water
The sludge settling removal that object film falls off, while achieving the purpose that chemical dephosphorization；Supernatant liquor in flocculation sedimentation case 6 is from water outlet
24 enter in ozone contact tank 7, by the molecular structure of ozone layer destroying Pollutants in Wastewater, and then remove pollutant, increase useless
The biodegradability of water, reduction and its toxicity is removed, while can remove coloration in waste water；Last waste water can enter in sterilization pool 8
It carries out disinfection, is then exhausted from after reaching discharge standard, pollution level is preferably minimized.
In flocculation sedimentation case 6, driving motor 29 drives agitating shaft 32 to rotate, and stirring bar 34 is equipped between agitating paddle 33,
Agitating paddle 33 and stirring bar 34 follow agitating shaft 32 to rotate, and stirring range is big, is sufficiently mixed conducive to waste water and flocculant, adjacent to stir
It mixes between item 34 that there are gaps, liquid is cut in whipping process, the contact area of waste water and flocculant is increased, improves
Flocculation reaction efficiency, the sediment after reaction are throttled the blocking of plate 19, are trapped in flocculation reaction area 21, clear liquid is then through choke block
Throttle orifice 20 on 19 collects in filtrate and stands in area 22, upper lower leaf, convenient separation, and fixed plate 35 follows 32 turns of agitating shaft
It is dynamic, the sediment at 14 inner bottom surface center of cabinet is swept by discharge gate 38 around by hairbrush 36, reduces precipitate bulk in case
On the inner bottom surface of body 14, guarantees that flocculation work is carried out continuously, unload splicing plate 39, sediment can be discharged, splicing plate 39 is installed
Simply, the alignment discharge gate 38 of annular convex ring 40 is caught in, realizes the location and installation of splicing plate 39, discharge gate 38 is blocked completely,
Splicing space is formed between annular convex ring 40 and splicing plate 39, convenient for loading sediment, when the correspondence of splicing plate 39 is installed to cabinet
After on 14 bottom surface, turning T-type bracket 43 contradicts its top and the bottom surface of splicing plate 39, passes through the T-type branch in multiple directions
Frame 43 supports splicing plate 39 simultaneously, realizes that splicing plate 39 blocks discharge gate 38, and annular convex ring 40 cooperates detent in discharge
In mouth 38, so that transverse shifting can not occur for splicing plate 39, the stability after splicing plate 39 is installed, turning T-type bracket are improved
43 when being no longer bear against splicing plate 39 to its top, can remove splicing plate 39, and sediment is discharged.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (10)
1. a kind of municipal wastewater processing system, it is characterised in that: including stripping pond, primary sedimentation tank, hydrolytic tank, anaerobic pond, aerobic tank,
Flocculation sedimentation case, ozone contact tank and sterilization pool, the primary sedimentation tank connect the stripping pond and the hydrolytic tank, the stripping pond
Bottom be equipped with aeration tube, the anaerobic pond connects the hydrolytic tank and the aerobic tank, described in the ozone contact tank connection
Flocculation sedimentation case and the sterilization pool, the flocculation sedimentation case include cabinet, support frame and bottom plate, and support frame as described above is set to described
Between bottom plate and the cabinet, the top of the cabinet is equipped with cover board, and the cover board is equipped with driving motor, the driving motor
It is connected with agitating shaft, choke block is equipped in the cabinet, be evenly distributed with throttle orifice on the choke block, the choke block is by institute
It states cabinet and is divided into flocculation reaction area and filtrate standing area, the side of the cabinet is respectively equipped with water inlet, water outlet and feed opening,
The water inlet, the feed opening are communicated with the flocculation reaction area, and the water outlet stands area with the filtrate and communicates, described
Agitating shaft passes through the choke block, and genesis analysis has agitating paddle on the agitating shaft, and the agitating paddle is located at the flocculation reaction
In area, stirring bar is equipped between the agitating paddle, the stirring bar is equally spaced, and the top of the agitating shaft is equipped with fixed plate,
It is evenly distributed with hairbrush on the bottom surface of the fixed plate, discharge gate and splicing plate are respectively equipped on the bottom surface of the cabinet, it is described
Splicing plate blocks the discharge gate, and the bottom plate is equipped with fixing axle, and the fixing axle is equipped with cross bar, one end of the cross bar
It is connected with T-type bracket, the bottom surface conflict on the top of the T-type bracket and the splicing plate.
2. a kind of municipal wastewater processing system according to claim 1, it is characterised in that: symmetrical on the bottom surface of the cover board
Positioning convex strip is distributed with, the positioning convex strip is contacted with the inner wall of the cabinet.
3. a kind of municipal wastewater processing system according to claim 2, it is characterised in that: put in the cabinet equipped with annular
Item, the bottom surface of the cover board are equipped with telescopic spring bar, and the lower end of the telescopic spring bar is equipped with press strip, the telescopic spring bar
The choke block is limited by the press strip and is put on item in the annular.
4. a kind of municipal wastewater processing system according to claim 2, it is characterised in that: the driving motor passes through installation
Bracket is fixed on the cover board, and shaft coupling is equipped between the driving motor and the agitating shaft, and the shaft coupling is located at institute
It states between mounting bracket.
5. a kind of municipal wastewater processing system according to claim 1, it is characterised in that: be equipped with stirring in the hydrolytic tank
Device and partition, the partition are interspersed up and down, are evenly distributed with iron plate on the partition.
6. a kind of municipal wastewater processing system according to claim 1, it is characterised in that: the splicing plate is equipped with annular
Bulge loop, the annular convex ring match with the discharge gate.
7. a kind of municipal wastewater processing system according to claim 1, it is characterised in that: set between adjacent the aeration tube
There is reinforcing rod.
8. a kind of municipal wastewater processing system according to claim 1, it is characterised in that: the side of the cabinet is equipped with saturating
Bright observation window.
9. using a kind of municipal wastewater processing method as described in claim 1, it is characterised in that include the following steps:
(a) primary treatment: the waste water of collection is first driven into progress stripping processing in stripping pond, the water outlet of stripping pond is introduced into just
In heavy pond, iron powder and active carbon are launched into primary sedimentation tank, controlling residence time of the waste water in primary sedimentation tank is 30~40min, will
Waste water in primary sedimentation tank, which is introduced into hydrolytic tank, to be hydrolyzed；
(b) biological treatment: hydrolytic tank water outlet is introduced into anaerobic pond, and the active mud content in anaerobic pond is 1~2L, and activity is dirty
The concentration of mud is 0.8~1g/L, and controlling residence time of the waste water in anaerobic pond is 6~8h, anaerobic pond water outlet is introduced aerobic
Chi Zhong, and the blast aeration into aerobic tank, the active mud content in aerobic tank are 1~2L, the concentration of activated sludge is 0.8~
1g/L, controlling residence time of the waste water in aerobic tank is 10~12h；
(c) flocculation treatment: aerobic tank being discharged and is introduced into flocculation sedimentation case from water inlet, while through feed opening to flocculation sedimentation
Flocculant is added in case, opens driving motor, driving motor drives agitating shaft rotation, and agitating shaft drives agitating paddle and fixation simultaneously
Plate rotation, by flocculation reaction area waste water and flocculant mix sufficiently, react generation sediment be throttled plate blocking, be detained
In flocculation reaction area, hairbrush follows fixed plate to rotate, and the sediment at cabinet inner bottom surface center is swept discharge gate around, clearly
Liquid enters filtrate through the throttle orifice on choke block and stands in area, is discharged through water outlet；
(d) two stage treatment: the waste water that flocculation sedimentation case water outlet is discharged is introduced into ozone contact tank, and into ozone contact tank
Ozone is added, controlling residence time of the waste water in ozone contact tank is 2~3h, and ozone contact tank water outlet is introduced into sterilization pool
It inside carries out disinfection, the waste water after disinfection introduces in discharge pond.
10. a kind of municipal wastewater processing method according to claim 9, it is characterised in that: in step (b) in aerobic tank
A biologic packing material is hung every 3~5m.
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| CN201811060086.1A CN108929003B (en) | 2018-09-12 | 2018-09-12 | Urban wastewater treatment system and method |
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|---|---|---|---|
| CN201811060086.1A CN108929003B (en) | 2018-09-12 | 2018-09-12 | Urban wastewater treatment system and method |
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| CN108929003B CN108929003B (en) | 2021-12-03 |
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| CN117510001A (en) * | 2024-01-08 | 2024-02-06 | 烟台云沣生态环境产业发展股份有限公司 | Sewage treatment device and application method thereof |
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