CN207079138U - Stripping reflux formula integrated equipment for sewage treatment - Google Patents
Stripping reflux formula integrated equipment for sewage treatment Download PDFInfo
- Publication number
- CN207079138U CN207079138U CN201721010356.9U CN201721010356U CN207079138U CN 207079138 U CN207079138 U CN 207079138U CN 201721010356 U CN201721010356 U CN 201721010356U CN 207079138 U CN207079138 U CN 207079138U
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- China
- Prior art keywords
- pond
- anoxic
- oxidation
- sewage treatment
- stripping reflux
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model stripping reflux formula integrated equipment for sewage treatment is related to field of sewage treatment equipment.Its purpose is to provide a kind of shortening process cycle, efficiency high, simple in construction, cost is low, stripping reflux formula integrated equipment for sewage treatment easy to operate.The utility model stripping reflux formula integrated equipment for sewage treatment, including inlet water tank, anoxic pond, oxidation pond and sedimentation basin, stripping reflux device is provided with the oxidation pond, the stripping reflux device includes feeder, gas tube and return duct, the feeder supplies to the gas tube, the gas tube connects with the oxidation pond, the liquid level of the oxidation pond is stretched out in bottom up extension and the gas tube of the gas tube along the oxidation pond, the return duct is connected to the position that the gas tube stretches out the liquid level of the oxidation pond, and the return duct extends to the anoxic pond.
Description
Technical field
Field of sewage treatment equipment is the utility model is related to, more particularly to a kind of stripping reflux formula sewage disposal integration
Equipment.
Background technology
At present, given up as the development of the rural area improvement of people's living standards and industrial or agricultural generates substantial amounts of life production
Water, the not only local ecological environment of heavy damage, while also result in the significant wastage of resource.In the past few decades,
People have accumulated substantial amounts of practical experience in terms of countryside sewage treating, while also have developed various high-efficiency sewage processing
Method.
Conventional sewage water treatment method is the i.e. two big method of activated sludge process and biomembrance process based on biochemical process, wherein living
Property sludge be the most widely used a kind of two stage biological handling process in various countries in the world at present.Activated Sludge Process is mainly
Removal organic polluter is removed, and with industry and the further development of science and technology, denitrogenation dephosphorizing is also into indispensable in sewage disposal
Key problem in technology, its handling process be sewage first through grid, regulating reservoir, setting pot, preliminary sedimentation tank pretreatment after enter aeration tank, exposure
The water outlet of gas pond, which enters in second pond, carries out mud-water separation, and supernatant water outlet is put through the processing such as chlorine or ultraviolet disinfection heel row, at its sewage
During reason disposal is transported outward after the generally dehydration of caused excess sludge.
Traditional activated sludge process carries out sludge using second pond and is separated from water, and passes through the machines such as reflux pump, reflux line
Most of sludge is passed back into aeration tank by tool equipment again, and secondary clarifier effluent is put through the processing such as chlorine or ultraviolet disinfection heel row, remaining dirty
Disposal is transported outward after mud generally dehydration.
But if its effluent quality of sewage plant non-advanced treating, often do not reach higher discharge standard and flowed back, meeting
Sludge flocculation structure and activity are destroyed, treatment effeciency is reduced, extends sewage treatment period, and increase equipment investment.
Usual sewage effluents can only kill bacterium in a short time by ultraviolet disinfection, and chlorination can then bring certain by-product
Thing.Moreover, domestic dehydration equipment can only arrive sludge dewatering moisture content or so at present, sludge inner cell water still has.It is surplus
If transporting outward landfill after remaining sludge dehydration, the outward transport expense of great number is not only spent, and landfill can take certain soil, not
It is a kind of cost-effective processing method, does not meet current environmental requirement.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of shortening process cycle, efficiency high, simple in construction, cost
Stripping reflux formula integrated equipment for sewage treatment low, easy to operate.
The utility model stripping reflux formula integrated equipment for sewage treatment, including inlet water tank, anoxic pond, oxidation pond and precipitation
Pond, the oxidation pond is interior to be provided with stripping reflux device, and the stripping reflux device includes feeder, gas tube and return duct,
The feeder supplies to the gas tube, and the gas tube connects with the oxidation pond, and the gas tube is along the oxidation
The bottom up extension in pond and the gas tube stretch out the liquid level of the oxidation pond, and the return duct is connected to the gas tube and stretched
Go out the position of the liquid level of the oxidation pond, and the return duct extends to the anoxic pond.
The utility model stripping reflux formula integrated equipment for sewage treatment, filled wherein the feeder is provided with to described
The air-blowing component of tracheae supply and several inflatable components supplied into the oxidation pond.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the setting height(from bottom) of the inflatable component is less than
The height of the air-blowing component.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the anoxic pond includes the pond of anoxic one and lacked
The pond of oxygen two, the pond of anoxic one connect with the inlet water tank, and the pond of anoxic two connects with the oxidation pond.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the pond of the anoxic one and the pond of the anoxic two
Bottom connects.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the oxidation pond and the Chi Ding of anoxic two
Portion connects.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the oxidation pond includes the pond of catalytic oxidation one
With the pond of catalytic oxidation two, the pond of catalytic oxidation one connects with the anoxic pond, the pond of catalytic oxidation two and the sedimentation basin
Connection.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the pond of the catalytic oxidation one and the contact
Aoxidize the connection of two bottom of pond portions.
The utility model stripping reflux formula integrated equipment for sewage treatment, wherein the oxidation pond and sedimentation basin top
Synchronously connected with bottom.
The utility model stripping reflux formula integrated equipment for sewage treatment difference from prior art is：This practicality is new
Type stripping reflux formula integrated equipment for sewage treatment, including inlet water tank, anoxic pond, oxidation pond and sedimentation basin, after anaerobic fermentation
Supernatant enters inlet water tank, and enters anoxic pond along inlet water tank, carries out anaerobic degradation, anoxic pond water outlet enters oxidation pond, passed through
Porous suspended filler is arranged in oxidation pond, substantial amounts of aerobic active microorganism is flooded with filler surface, while in filler table
Face forms micro- aerobic and micro- anaerobic environment, and nitrification and denitrification reaction is formed in micro- space, utilizes the metabolism of microorganism
Effect, it is largely inorganization that anaerobism can not be removed to or do not had enough time the COD removed；Meanwhile feeder is into oxidation pond
Supply, filling gas in gas tube, the gas-liquid in gas tube is thoroughly mixed to form aqueous vapor emulsion liquid, when the aqueous vapor in gas tube
When emulsion liquid flow to the height of return duct, aqueous vapor emulsion liquid carries out gas-liquid separation, and liquid is back to anoxic with return duct
In pond, liquid spill is prevented, forms stable circulating reflux system, ensures that sewage disposal is more abundant.
Stripping reflux formula integrated equipment for sewage treatment of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the simplification structural representation of the utility model stripping reflux formula integrated equipment for sewage treatment；
Fig. 2 is the overall structure diagram of the utility model stripping reflux formula integrated equipment for sewage treatment；
Fig. 3 is the flowage structure schematic diagram of the utility model stripping reflux formula integrated equipment for sewage treatment.
Accompanying drawing marks：1st, anoxic pond；2nd, return duct；3rd, gas tube；4th, oxidation pond；5th, air-blowing component；6th, feeder；7、
Inlet water tank；8th, the pond of anoxic one；9th, the pond of anoxic two；10th, the pond of catalytic oxidation one；11st, the pond of catalytic oxidation two；12nd, delivery port；13rd, sink
Shallow lake pond；14th, inflatable component；15th, gas flowmeter.
Embodiment
Stripping reflux formula twin-stage AO technologies are the recycling sewage apparatus and its sewage disposal using automatic back flow reactor
Method.Stripping reflux formula twin-stage AO technologies are mainly using AO multiple interior circulation and outer circulation reaction process, with porous suspended
The carrier that filler grows as microorganism, by aerobic and anaerobism varying environment alternately and repeatedly, preferably remove difficult degradation
Organic matter；The simultaneously aerobic and replacement repeatedly of anaerobic environment, can realize " nitrification and denitrification " of short distance, preferably go to decontaminate again
Total nitrogen and total phosphorus in water, so as to reach the purpose of purifying water body.
Sanitary sewage carries out water quality, the tune of water by the change excrement room entered after pretreatment system in sewage disposal device
Section, stopping in certain time, carrying out separation of solid and liquid.Filter screen built in changing excrement room delivery port, can retain larger particles suspension and
Fibrous object correlation, removes the suspension of bulky grain, protects following apparatus, while septic tank is in anaerobic environment and anaerobic bacteria
Under effect, anaerobic fermentation is carried out, the larger molecular organicses of difficult degradation are resolved into small organic molecule.
With reference to shown in Fig. 1-Fig. 3, the utility model stripping reflux formula integrated equipment for sewage treatment, including inlet water tank 7, lack
Oxygen pond 1, oxidation pond 4 and sedimentation basin 13, sewage enter anoxic pond 1 and oxidation pond 4 along inlet water tank 7, returned in oxidation pond 4 provided with air lift
Device is flowed, stripping reflux device includes feeder 6, gas tube 3 and return duct 2, and feeder 6 supplies to gas tube 3, inflation
Pipe 3 connects with oxidation pond 4, and the liquid level of oxidation pond 4 is stretched out in bottom up extension and gas tube 3 of the gas tube 3 along oxidation pond 4, returns
Flow tube 2 is connected to the position that gas tube 3 stretches out the liquid level of oxidation pond 4, and return duct 2 extends to anoxic pond 1.
The structure of the utility model stripping reflux formula integrated equipment for sewage treatment be by engineering project analysis of experiments and
Long period of experiments research show that the supernatant after anaerobic fermentation enters inlet water tank 7, and enters anoxic pond 1 along inlet water tank 7, enters
Row anaerobic degradation, by controlling the residence time of water quality, larger molecular organicses are resolved into small organic molecule, had insoluble
Machine thing is hydrolyzed to dissolved matter, and for sewage after hydrolysis, going out water-soluble BOD ratio has a certain degree of increase.It is right
In colloidality organic matter, the effect of anaerobic acidification causes water outlet organic acid concentration significantly to rise.
The water outlet of anoxic pond 1 enters oxidation pond 4, by arranging porous suspended filler in oxidation pond 4, is full of on filler surface
Substantial amounts of aerobic active microorganism, while micro- aerobic and micro- anaerobic environment is formed on filler surface, nitre is formed in micro- space
Change and anti-nitration reaction.Stripping reflux device is inflated into oxidation pond 4 simultaneously, also sharp under conditions of aerobic aeration
With the metabolism of microorganism, the COD that anaerobism can not be removed or be not in time for removal is largely inorganization, so as to reach
To biodegradable purpose, feeder 6 supplies into oxidation pond 4.
Filling gas in gas tube 3, the gas-liquid in gas tube 3 is thoroughly mixed to form aqueous vapor emulsion liquid, in gas tube 3
Filling gas in the presence of, liquid flows up with synchronic gas in gas tube 3, when the aqueous vapor emulsion liquid in gas tube 3
When flowing to the height of return duct 2, aqueous vapor emulsion liquid carries out gas-liquid separation, and liquid is back in anoxic pond 1 with return duct 2,
And then circular treatment.Both can guarantee that feeder 6 was stable to supply into oxidation pond 4, moreover it is possible to prevent liquid spill, liquid is back to
System is further processed, and forms stable circulating reflux system, ensures that sewage disposal is more abundant.Pass through aerobic and anaerobism
Multiple coupled reaction, the organic pollution in sewage will be completely decomposed into carbon dioxide and water.
Stripping reflux device is utilized in stripping reflux formula twin-stage AO handling process, excess sludge caused by second pond is led to
Cross return duct 2 and be back to anoxic pond 1, reduce sludge reflux facility, while greatly reduce the discharge of excess sludge, meanwhile,
Gas source required for backflow can select air blower in feeder 6, feeder 6, reduce total input of equipment.
Preferably, feeder 6 is provided with to the air-blowing component 5 that gas tube 3 supplies and several and supplied into oxidation pond 4
Inflatable component 14, air-blowing component 5 is inserted into gas tube 3, and inflatable component 14 is arranged in oxidation pond 4, air-blowing component 5 and is filled
Pneumatic module 14 is connected with feeder 6, and feeder 6 is inflated into gas tube 3 and oxidation pond 4 simultaneously.Feeder 6 can be with
Air blower, air pump, compressor etc. are set to, air blast inflation is carried out by machine power or gas pressure.Feeder 6 and air-blowing
Regulating valve is respectively connected between component 5 and inflatable component 14, can be with adjusting gas flow and the break-make of control gas return path.
Preferably, the setting height(from bottom) of inflatable component 14 is less than the height of air-blowing component 5.Inflatable component 14 is into oxidation pond 4
Supply, is arranged on the bottom surface of oxidation pond 4, helps uniformly to supply into oxidation pond 4, the setting height(from bottom) of inflatable component 14 is more pasted
The bottom surface of nearly oxidation pond 4.Gas tube 3 is stretched into oxidation pond 4 and connected with oxidation pond 4, height and the gas tube 3 of air-blowing component 5
Height be adapted, to ensure good inflation effect.
Preferably, gas flowmeter 15 is connected with feeder 6, gas flowmeter 15 is used for monitoring feeder 6
Air demand,, can Real Time Observation confession when adjusting the power of feeder 6 so that user understands the gas supply flow of feeder 6 in real time
The gas supply flow of device of air 6.
Preferably, anoxic pond 1 includes the pond 8 of anoxic one and the pond 9 of anoxic two, and the pond 8 of anoxic one connects with inlet water tank 7, anoxic two
Pond 9 connects with oxidation pond 4.Anoxic pond 1 is provided with two, carries out two-stage anaerobic reaction, makes anaerobic reaction more abundant, by macromolecular
Organic matter resolves into small organic molecule, is dissolved matter by insoluble hydrolysis of organic matter.
Preferably, the pond 8 of anoxic one connects with the bottom of two pond of anoxic 9.Sewage flows into the process in the pond 8 of anoxic one from inlet water tank 7
In, sewage is reacted during being flowed in the pond 8 of anoxic one, when sewage is flowed into the bottom in the pond 8 of anoxic one, anoxic one
The bottom in pond 8 connects with the pond 9 of anoxic two, and sewage flows into the pond 9 of anoxic two after fully being reacted in the pond 8 of anoxic one, is lacking sewage
Oxygen one fully reacts in pond 8.
Preferably, oxidation pond 4 connects with the top of anoxic pond 1, i.e., the pond 9 of anoxic two connects with the top of oxidation pond 4, lacks inflow
The sewage in the pond 9 of oxygen two progressively from the bottom up flowing in the pond 9 of anoxic two, makes sewage react more abundant in the pond 9 of anoxic two.
Preferably, oxidation pond 4 includes the pond 10 of catalytic oxidation one and the pond 11 of catalytic oxidation two, the pond 10 of catalytic oxidation one and anoxic
Pond 1 connects, and the pond 11 of catalytic oxidation two connects with sedimentation basin 13.Oxidation pond 4 also is provided with two, carries out two-stage aerobic reaction, makes anti-
Should more fully, the COD that anaerobism can not be removed or be not in time for removal is largely inorganization, biodegradable so as to reach
Purpose；Meanwhile feeder 6 supplies into oxidation pond 4, make aerated reaction in oxidation pond 4 more abundant.
Preferably, the pond 10 of catalytic oxidation one connects with the bottom of two pond of catalytic oxidation 11, and sewage flows from the top in the pond 9 of anoxic two
Enter the pond 10 of catalytic oxidation one, for sewage during the pond 10 of catalytic oxidation one is flowed into, sewage is abundant in the pond 10 of catalytic oxidation one
Reaction, sewage flow to the pond 11 of catalytic oxidation two in the bottom in the pond 10 of catalytic oxidation one, further anti-in the pond 11 of catalytic oxidation two
Should.
Preferably, the connection synchronous with the top and bottom of sedimentation basin 13 of oxidation pond 4, the i.e. pond 11 of catalytic oxidation two and sedimentation basin 13
Top and bottom synchronously connect, the reaction of sewage in the pond 11 of catalytic oxidation two is fully layered, the pond 11 of catalytic oxidation two
In be divided into supernatant liquor and lower sediment, lower sediment flows into sedimentation basin 13 by the bottom of sedimentation basin 13, prevents lower sediment
Accumulated in the pond 11 of catalytic oxidation two, prevent equipment from blocking, ensure sewage disposal process stable operation.Opened on sedimentation basin 13
Provided with delivery port 12, supernatant liquor is discharged along delivery port 12.
The utility model stripping reflux formula integrated equipment for sewage treatment, filtering of the supernatant through inlet water tank 7 after fermentation
Net enters the pond 8 of anoxic one, carries out anaerobic degradation, and by controlling the residence time of water quality, anaerobic fermentation is controlled in anaerobic reaction
Second stage end, larger molecular organicses are resolved into small organic molecule, are dissolved matter by insoluble hydrolysis of organic matter,
For sewage after hydrolysis, going out water-soluble BOD ratio has a certain degree of increase.For colloidality organic matter, anaerobism acid
The effect of change causes water outlet organic acid concentration significantly to rise.The water outlet of anoxic pond 1 enters oxidation pond 4, passes through the cloth in oxidation pond 4
Porous suspended filler is put, substantial amounts of aerobic active microorganism is flooded with filler surface, while is formed on filler surface micro- aerobic
With micro- anaerobic environment, nitrification and denitrification reaction is formed in micro- space.Under conditions of aerobic aeration, this is also utilized
Biological metabolism slightly, the COD that anaerobism can not be removed or be not in time for removal is largely inorganization, so as to reach
To biodegradable purpose, 4 required airflows of oxidation pond are provided by devices such as air blower, air pumps.By aerobic more with anaerobism
Secondary coupling is reacted, and the organic pollution in sewage will be completely decomposed into carbon dioxide and water.
The utility model stripping reflux formula integrated equipment for sewage treatment, advantage are：Twin-stage AO techniques by aerobic and
The varying environment of anaerobism, using aerobic bacteria and the growth characteristics of anaerobic bacteria, short distance, " nitrification and denitrification " repeatedly are realized,
So as to reach the effect for removing pollutant；The introducing of stripping reflux device substantially increases the treatment effect of sewage；Apparatus and process
Simply, cost of investment is few, runs simple to operate understandable, the processing of suitable domestic sewage in rural areas；Excess sludge can also manufacture agriculture
With fertilizer, certain economic benefit is produced；The design of twin-stage AO techniques, strong shock resistance, can tackle different change of water quality；
Enhanced biological nitrogen removal process, denitrification ability are strong；Surplus sludge volume is less caused by system, endogenous along with later stage microorganism
Respiration, decomposable asymmetric choice net major part excess sludge, does not need sludge treatment equipment substantially；Using suspended porous material, attachment
Microbial biomass is big, and floor space is smaller, simple in equipment, and management service is convenient.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (9)
- A kind of 1. stripping reflux formula integrated equipment for sewage treatment, it is characterised in that：Including inlet water tank, anoxic pond, oxidation pond and Sedimentation basin, the oxidation pond is interior to be provided with stripping reflux device, and the stripping reflux device includes feeder, gas tube and backflow Pipe, the feeder supplies to the gas tube, and the gas tube connects with the oxidation pond, and the gas tube is along the oxygen Change the bottom up extension in pond and the gas tube stretches out the liquid level of the oxidation pond, the return duct is connected to the gas tube The position of the liquid level of the oxidation pond is stretched out, and the return duct extends to the anoxic pond.
- 2. stripping reflux formula integrated equipment for sewage treatment according to claim 1, it is characterised in that：The feeder It is provided with the air-blowing component and several inflatable components supplied into the oxidation pond supplied to the gas tube.
- 3. stripping reflux formula integrated equipment for sewage treatment according to claim 2, it is characterised in that：The inflatable component Setting height(from bottom) be less than the air-blowing component height.
- 4. stripping reflux formula integrated equipment for sewage treatment according to claim 1, it is characterised in that：The anoxic pond bag The pond of anoxic one and the pond of anoxic two are included, the pond of anoxic one connects with the inlet water tank, and the pond of anoxic two connects with the oxidation pond It is logical.
- 5. stripping reflux formula integrated equipment for sewage treatment according to claim 4, it is characterised in that：The pond of anoxic one Connected with the bottom of pond portion of anoxic two.
- 6. stripping reflux formula integrated equipment for sewage treatment according to claim 5, it is characterised in that：The oxidation pond with Connected at the top of the pond of anoxic two.
- 7. the stripping reflux formula integrated equipment for sewage treatment according to claim 1 or 6, it is characterised in that：The oxidation Pond includes the pond of catalytic oxidation one and the pond of catalytic oxidation two, and the pond of catalytic oxidation one connects with the anoxic pond, the contact oxygen Change two ponds to connect with the sedimentation basin.
- 8. stripping reflux formula integrated equipment for sewage treatment according to claim 7, it is characterised in that：The catalytic oxidation One pond connects with the bottom of pond portion of catalytic oxidation two.
- 9. stripping reflux formula integrated equipment for sewage treatment according to claim 1, it is characterised in that：The oxidation pond with Synchronous connection at the top and bottom of the sedimentation basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010356.9U CN207079138U (en) | 2017-08-11 | 2017-08-11 | Stripping reflux formula integrated equipment for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010356.9U CN207079138U (en) | 2017-08-11 | 2017-08-11 | Stripping reflux formula integrated equipment for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207079138U true CN207079138U (en) | 2018-03-09 |
Family
ID=61419608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010356.9U Expired - Fee Related CN207079138U (en) | 2017-08-11 | 2017-08-11 | Stripping reflux formula integrated equipment for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207079138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358316A (en) * | 2018-05-24 | 2018-08-03 | 上海坤工环境科技有限公司 | Efficient low-consume sewage-treatment plant |
| CN110550811A (en) * | 2018-06-02 | 2019-12-10 | 无锡博美环境科技有限公司 | A 2 O-MBBR sewage treatment plant with strengthen dephosphorization function |
| CN111410308A (en) * | 2020-03-03 | 2020-07-14 | 广东新会中集特种运输设备有限公司 | Two-stage AO integrated sewage treatment equipment |
-
2017
- 2017-08-11 CN CN201721010356.9U patent/CN207079138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358316A (en) * | 2018-05-24 | 2018-08-03 | 上海坤工环境科技有限公司 | Efficient low-consume sewage-treatment plant |
| CN110550811A (en) * | 2018-06-02 | 2019-12-10 | 无锡博美环境科技有限公司 | A 2 O-MBBR sewage treatment plant with strengthen dephosphorization function |
| CN111410308A (en) * | 2020-03-03 | 2020-07-14 | 广东新会中集特种运输设备有限公司 | Two-stage AO integrated sewage treatment equipment |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |