CN106830319A - A kind of integrated purifying device for Sewage Biological Treatment - Google Patents
A kind of integrated purifying device for Sewage Biological Treatment Download PDFInfo
- Publication number
- CN106830319A CN106830319A CN201710103228.7A CN201710103228A CN106830319A CN 106830319 A CN106830319 A CN 106830319A CN 201710103228 A CN201710103228 A CN 201710103228A CN 106830319 A CN106830319 A CN 106830319A
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- Prior art keywords
- section
- anaerobism
- aerobic
- sewage
- purifying device
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Abstract
The invention discloses a kind of integrated purifying device for Sewage Biological Treatment, including anaerobism section and aerobic section, the anaerobism section is with the aerobic section in the cylinder of the integrated purifying device；Backflow part is provided between anaerobism section and the aerobic section, so that sewage and sludge reflux in the aerobic section are to anaerobism section.Now, in sludge pathogen, parasitic ovum and a large amount of unstable organic matters are decomposed through anaerobism section, so as to play a part of to purify sludge, prevent it to be expelled directly out the water pollution for causing.In addition, aerobic section in the present invention is respectively positioned in the cylinder of the integrated purifying device with anaerobism section, i.e. aerobic section is integrated in same device with anaerobism section, in sewage purification process, the two can conveniently realize mutual cooperation, compared to aerobic section in the prior art and anaerobism section respectively positioned at the structure of different reactors, with simple structure, flexible advantage is operated, and sewage treating efficiency can be improved.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of integrated purifying dress for saprobia purification
Put.
Background technology
Biological treatment is the wider technology of one application of sewage treatment area, and its handling principle is：By artificial
Creation is suitable to the environment of microbe survival and breeding, is allowed to amount reproduction, to improve the efficiency of oxidation Decomposition dirt Organic substance in water.
The biological treatment of sewage compared with Physical, chemical method, with energy consumption it is low, secondary pollution is few, high treating effect etc. is a series of
Advantage, therefore, it has more preferable promotional value.
Under normal circumstances, the biological treatment device of sewage generally includes anaerobic reactor and aerobic reactor two parts, dirty
Water carries out preliminary treatment first in anaerobic reactor, and the COD in sewage is consumed and is partially converted into methane, so that dirty
Organic nitrogen in water is converted into the form of ammonia nitrogen.Then, the sewage after primary transformants enters in aerobic reactor, further removes
COD in sewage.
Therefore, in existing biological wastewater treatment process, anaerobic reaction and aerobic reaction are respectively occurring at different reactions
In device so that its processing unit structure is more complicated, inconvenient operation.In addition, the excess sludge in treatment aerobic reactor is usual
The method taken is to increase mudpan behind aerobic reactor, but, due to the limitation of water quality and service condition, sludge
Deposition effect is poor, and effluent quality can be influenceed with water outlet discharge, meanwhile, the sludge in sedimentation basin also contains substantial amounts of pathogen, posts
Infested ovum and a large amount of unstable organic matters, pollute when being expelled directly out.
In view of the defect that above-mentioned biological sewage treatment device is present, it would be highly desirable to provide a kind of simple structure, easy to operate, and energy
Enough reduce the biological sewage treatment device of the pollution caused when aerobic excess sludge is discharged.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of integrated purifying device for Sewage Biological Treatment, bag
Anaerobism section and aerobic section are included, the anaerobism section is with the aerobic section in the cylinder of the integrated purifying device；
Backflow part is provided between the anaerobism section and the aerobic section, so that sewage and sludge in the aerobic section
It is back to the anaerobism section.
When the integrated purifying device works, after sewage enters cylinder, first through anaerobism section preliminary treatment, subsequently into good
The further treatment of oxygen section, meanwhile, the sewage in aerobic section can also be back in anaerobism section by the part that flows back, so that gradually net
Change sewage.
Meanwhile, the sludge of aerobic section is also back to anaerobism section, now, pathogen, parasite in sludge through the part that flows back
Ovum and a large amount of unstable organic matters are decomposed through anaerobism section, so as to play a part of to purify sludge, prevent it to be expelled directly out causing
Water pollution.
In addition, aerobic section in the present invention is respectively positioned in the cylinder of the integrated purifying device with anaerobism section, i.e. aerobic section
It is integrated in same device with anaerobism section, in sewage purification process, the two can conveniently realize mutual cooperation, compared to existing
There are aerobic section and anaerobism section in technology respectively positioned at the structure of different reactors, with simple structure, to operate flexible advantage,
And sewage treating efficiency can be improved.
Alternatively, anaerobism section is located at aerobic section lower section, and is separated by dividing plate therebetween, and the dividing plate is opened
Hole is communicated with, so that the sewage in anaerobism section enters the aerobic section through the intercommunicating pore；
1/10 of the aperture of the intercommunicating pore less than the cylinder internal diameter.
Alternatively, even gas distribution part is provided with the aerobic section, the even gas distribution part is connected with pneumatic element,
Through the even gas distribution part can be passed through in the aerobic section compressed air by the pneumatic element.
Alternatively, gas-liquid separate component is additionally provided with the aerobic section, the gas-liquid separate component includes cone separator
And blast pipe, the cone separator opening has preset space length, the exhaust towards the dividing plate between the dividing plate
Pipe connects the exhaust outlet of the cylinder, so that after gas and sewage are separated through the gas-liquid separate component, gas is along the exhaust
Pipe is discharged, and sewage is stranded in the aerobic section.
Alternatively, the even gas distribution part is located at the top of cone separator outlet.
Alternatively, the volume of the anaerobism section is 2-4 times of the aerobic section volume；
The anaerobism section includes filler, and described filler is complex structure of filament, and its specific surface area is more than 2000m2/m3。
Alternatively, the anaerobism section lower section is also associated with sludge settling section, and sludge settling section for sectional area reduces
Pyramidal structure.
Alternatively, the uniform part of liquid, the anaerobism section bottom are provided between the sludge settling section and anaerobism section
Portion is provided with wastewater inlet, and the uniform part of liquid is connected by the wastewater inlet with intake pump, and the intake pump is by sewage
The anaerobism section is passed through through the uniform part of the liquid.
Alternatively, the aerobic section is provided with bypass outlet, and the anaerobism section is provided with reflux inlet, the reflux inlet and institute
State and connected by circulating pump between bypass outlet, the circulating pump is the backflow part；
The bypass outlet is located at the uniform part lower section of the liquid.
Alternatively, the flow of the circulating pump is 2-4 times of the water inlet pump discharge.
Brief description of the drawings
Fig. 1 is the structural representation of the integrated purifying device for Sewage Biological Treatment provided by the present invention.
In Fig. 1：
1 cylinder, 2 aerobic sections, 21 even gas distribution parts, 22 gas-liquid separate components, 221 cone separators, 222 blast pipes,
23 pneumatic elements；
3 anaerobism section, 31 fillers, the uniform part of 32 liquid, 33 intake pumps, 34 circulating pumps；
4 sludge settlings section, 41 mud discharging mouths, 42 stop valves；
5 dividing plates, 51 intercommunicating pores.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
The present invention is described in further detail to apply example.
Figure of description 1 is refer to, Fig. 1 is the integrated purifying device for Sewage Biological Treatment provided by the present invention
Structural representation.
In a kind of specific embodiment, the present invention provides a kind of integrated purifying device for Sewage Biological Treatment, such as
Shown in Fig. 1, the integrated purifying device includes anaerobism section 3 and aerobic section 2, and anaerobism section 3 and aerobic section 2 located at it is integrated only
In the cylinder 1 put of makeup, meanwhile, be provided with backflow part between anaerobism section 3 and aerobic section 2 so that sewage in aerobic section 2 and
Sludge reflux to anaerobism section 3.
When the integrated purifying device works, after sewage enters cylinder 1, first through anaerobism 3 preliminary treatments of section, subsequently into
Aerobic section 2 is further processed, meanwhile, sewage and sludge in aerobic section 2 can also be back to anaerobism section 3 by the part that flows back
It is interior, so that sewage is gradually purified, and the sludge that further treatment aerobic section 2 is produced.
Wherein, the COD in sewage is consumed in anaerobism section 3, and is converted into methane, so as to organic nitrogen is converted into ammonia nitrogen
Form, meanwhile, from aerobic section 2 be back to the sewage of anaerobism section 3 through the part that flows back in containing nitrate nitrogen and nitrite nitrogen, the two
There is anti-nitration reaction in anaerobism section 3, nitrogen is converted into, so as to realize sewage purification.Sewage enters aerobic section 2 from anaerobism section 3
Afterwards, can further except the COD in decontaminated water, and be nitrate nitrogen and nitrite nitrogen by the mineralized nitrogen that anaerobism section 3 is produced, because
This, is back in the sewage of anaerobism section 3 containing nitrate nitrogen and nitrite nitrogen, from aerobic section 2 so that sewage is in above-mentioned one
Change and gradually purified in purifier.
Meanwhile, the sludge that aerobic section 2 is produced also is back to anaerobism section 3 through the part that flows back, now, pathogen in sludge,
Parasitic ovum and a large amount of unstable organic matters are decomposed through anaerobism section 3, so as to play a part of to purify sludge, prevent its direct row
Go out the water pollution for causing.
In addition, the aerobic section 2 in the present embodiment is respectively positioned in the cylinder 1 of the integrated purifying device with anaerobism section 3, i.e., well
Oxygen section 2 is integrated in same device with anaerobism section 3, and in sewage purification process, the two can conveniently realize mutual cooperation, phase
Compared with aerobic section in the prior art and anaerobism section respectively positioned at the structure of different reactors, with simple structure, operation is flexible
Advantage, and sewage treating efficiency can be improved.
Specifically, as shown in figure 1, the volume of anaerobism section 3 is 2-4 times of the volume of aerobic section 2, and anaerobism section 3 includes filler
31, the carrier that the filler 31 grows as anaerobe, filler 31 is complex structure of filament, and its specific surface area is more than
2000m2/m3。
It is appreciated that dirty water living creature processing technique depends on anaerobe decomposes organic matter, the i.e. integration only
The core component that makeup is put is anaerobism section 3, and sewage is more long in anaerobism 3 residence times of section, the effect of organic matter decomposition therein
Rate is higher, and the volume of anaerobism section 3 is bigger, and the filler 31 that can be accommodated is also more.Meanwhile, the specific surface area of filler 31 is bigger, detests
The easier growth of oxygen animalcule, so that the preliminary purification efficiency of anaerobism 2 pairs of sewage of section is higher, and then it is net to improve the integration
The purification efficiency that makeup is put.
Under normal circumstances, can be grown to ensure anaerobe, carbon source, nitrogen source and micro need to be added in filler 31
The materials such as element, for example, certain density glucose and urea can be added.
Certainly, the volume of above-mentioned anaerobism section 3 is it is not necessary to be 2-4 times of the volume of aerobic section 2, also dependent on actual conditions
Set, as long as ensure that the purification efficiency of integrated purifying device.Similarly, the specific surface area of filler 31 be not must
2000m must be more than2/m3, can also arbitrarily be set according to operating modes such as the volume of cylinder 1, the concentration of sewage, therefore, the present invention is to detesting
The concrete numerical value of oxygen 3 volumes of section and the specific surface area of filler 31 is not construed as limiting.
On the other hand, as shown in figure 1, anaerobism section 3 is vertically distributed with aerobic section 2, and anaerobism section 3 is located at the lower section of aerobic section 2,
Therebetween separated by dividing plate 5, dividing plate 5 offers intercommunicating pore 51, so that the sewage in anaerobism section 3 enters through intercommunicating pore 51
Oxygen section 2.Wherein, 1/10 of the diameter of intercommunicating pore 51 less than the internal diameter of cylinder 1.
It is arranged such, because anaerobism section 3 is located at the lower section of aerobic section 2, and sewage can only be after anaerobism section 3 be interior by preliminary purification
Could through intercommunicating pore 51 enter aerobic section 2, and only sewage be completely filled with anaerobism section 3 after, could enter aerobic section 2, therefore, dirt
Water is more long in anaerobism 3 residence times of section, and preliminary treatment efficiency is higher, so as to improve the purification efficiency of integrated purifying device.
Meanwhile, sewage can enter aerobic section 2 from anaerobism section 3 automatically, without other configuration driven part, so that this is integrally
Change purifier easy to operate, simple structure.
Meanwhile, it can be seen from fluid Bernoulli equation, the actual internal area of fluid is smaller, and its flow velocity is faster, therefore, when even
It is very fast through the effluent flow rate that intercommunicating pore 51 enters aerobic section 2 from anaerobism section 3 when the aperture of through hole 51 is smaller, so as to prevent aerobic section 2
Interior excess sludge is settled down to anaerobism section 3 through intercommunicating pore 51.
Certainly, the aperture of above-mentioned intercommunicating pore 51 is it is not necessary to less than the 1/10 of the diameter of cylinder 1, also dependent on actual conditions
It is any to set, it is not construed as limiting herein.
Further, as shown in figure 1, aerobic section 2 in be provided with even gas distribution part 21, the even gas distribution part 21 with fill
Gas part 23 is connected, and pneumatic element 23 is used to through even gas distribution part 21 be passed through compressed air in aerobic section 2, so that further
Purification sewage.
It is appreciated that even gas distribution part 21 enables to compressed air evenly into aerobic section 2, thus improve its with
The reaction efficiency of ammonia nitrogen, and then improve the purification efficiency of the integrated purifying device.Under normal circumstances, the even gas distribution part 21
Can be porous air distribution head, pneumatic element 23 can be aeration pump, certainly, or the charger such as ventilation blower commonly used in the art.
Further, as shown in figure 1, being additionally provided with gas-liquid separate component 22 in aerobic section 2, the gas-liquid separate component 22 is wrapped
Cone separator 221 and blast pipe 222 are included, wherein, cone separator 221 is open towards dividing plate 5, and has between dividing plate 5
Preset space length, the preset space length forms the outlet of cone separator 221；Blast pipe 222 connects the exhaust outlet of cylinder 1, so that portion
After dividing sewage to be separated through gas-liquid separate component 22, gas is discharged along blast pipe 222, and liquid is in the presence of cone separator 221
It is stranded in aerobic section 2.
As shown in figure 1, when the sewage with gas passes through the gas-liquid separate component 22, liquid is along cone separator 221
Wall slides downwards, and gas is smaller due to density, then discharged along blast pipe 222, so as to realize gas-liquid separation.Meanwhile, aerobic section 2
Interior remaining sewage is passed back into anaerobism section 3 with aerobic sludge through the part that flows back.
Similarly, above-mentioned gas-liquid separate component 22 is by cone separator 221 and blast pipe 222 it is not necessary to realized,
Also other structures commonly used in the art can be used, but, the gas-liquid separate component 22 in the present embodiment has the excellent of simple structure
Point.
Specifically, as shown in figure 1, even gas distribution part 21 is located at the top of the outlet of cone separator 221, so that through
Liquid after cone separator 221 is separated smoothly can export discharge from cone separator 221, it is ensured that aerobic section 2 can be normal
Work.
In various embodiments above, as shown in figure 1, the lower section of anaerobism section 3 is also associated with sludge settling section 4, and the sludge settling
Section 4 is the pyramidal structure of sectional area decrement, and its bottom has mud discharging mouth 41, and spoil disposal pipeline is provided with stop valve 42.Sewage purification
During, close stop valve 42, sludge aggregation in sludge settling section 4, it is impossible to discharged from mud discharging mouth 41, after purification terminates, beaten
Stop valve 42 is opened, the sludge of aggregation is disposably discharged and collected in sludge settling section 4.
As described above, after the sewage that produces of aerobic section 2 and sludge are back to anaerobism section 3 through the part that flows back, sewage and sludge
Can be purified through anaerobism section 3 again, the sludge after purification can under gravity be deposited on sludge settling section 4, so that real
The purification and collection of the existing excess sludge of aerobic section 2.
Further, the uniform part 32 of liquid is provided between sludge settling section 4 and anaerobism section 3,3 bottoms of anaerobism section are provided with
Wastewater inlet, the uniform part 32 of liquid is connected by wastewater inlet with intake pump 33, for by sewage through the uniform part 32 of liquid
It is passed through anaerobism section 3.
Similarly, the uniform part 32 of the liquid or loose structure, so that sewage is evenly into anaerobism section 3,
Improve its purification efficiency.
Specifically, as shown in figure 1, aerobic section 2 is provided with bypass outlet, anaerobism section 3 is provided with reflux inlet, reflux inlet with return
Connected by circulating pump 34 between flow export, so that the work of sewage and aerobic excess sludge in aerobic section 2 in the circulating pump 34
Anaerobism section 3 is passed back under.
It is appreciated that the circulating pump 34 and above-mentioned intake pump 33 are as delivery pump, therefore, can use commonly used in the art
Various pumps, such as peristaltic pump etc., are not construed as limiting herein.
Meanwhile, bypass outlet is located at the uniform lower section of part 32 of liquid, so that the sewage of backflow is through the uniform part of liquid
32 enter anaerobism section 3.
More specifically, the flow of circulating pump 34 is 2-4 times of the flow of intake pump 33.
Certainly, the flow of above-mentioned circulating pump 34 is it is not necessary to be 2-4 times of the flow of intake pump 33, also dependent on actual work
The speed of the nitrification and denitrification reaction of different quality ammonia nitrogen is set under condition, is not construed as limiting herein.
Detailed Jie has been carried out to a kind of integrated purifying device for Sewage Biological Treatment provided by the present invention above
Continue.Specific case used herein is set forth to principle of the invention and implementation method, and the explanation of above example is only
It is to be used to help understand the method for the present invention and its core concept.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and repair
Decorations are also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of integrated purifying device for Sewage Biological Treatment, including anaerobism section (3) and aerobic section (2), its feature exist
In anaerobism section (3) is with the aerobic section (2) in the cylinder (1) of the integrated purifying device；
Backflow part is provided between anaerobism section (3) and the aerobic section (2), so that the sewage in the aerobic section (2)
With sludge reflux to anaerobism section (3).
2. integrated purifying device according to claim 1, it is characterised in that anaerobism section (3) is positioned at described aerobic
Section (2) lower section, and separated by dividing plate (5) therebetween, the dividing plate (5) offers intercommunicating pore (51), so that the anaerobism
Sewage in section (3) enters the aerobic section (2) through the intercommunicating pore (51)；
1/10 of the aperture of the intercommunicating pore (51) less than the cylinder (1) internal diameter.
3. integrated purifying device according to claim 2, it is characterised in that is provided with gas in the aerobic section (2)
Uniform part (21), the even gas distribution part (21) connects with pneumatic element (23), and the pneumatic element (23) will can be pressed
Contracting air is passed through in the aerobic section (2) through the even gas distribution part (21).
4. integrated purifying device according to claim 3, it is characterised in that is additionally provided with gas-liquid in the aerobic section (2)
Separating component (22), the gas-liquid separate component (22) includes cone separator (221) and blast pipe (222), the taper point
From device (221) opening towards the dividing plate (5), and there is preset space length, the blast pipe (222) between the dividing plate (5)
The exhaust outlet of the cylinder (1) is connected, so that after gas and sewage are separated through the gas-liquid separate component (22), gas is along described
Blast pipe (222) is discharged, and sewage is stranded in the aerobic section (2).
5. integrated purifying device according to claim 4, it is characterised in that the even gas distribution part (21) is positioned at institute
State the top of cone separator (221) outlet.
6. the integrated purifying device according to any one of claim 1-5, it is characterised in that anaerobism section (3)
Volume is 2-4 times of the aerobic section (2) volume；
Anaerobism section (3) includes filler (31), and described filler (31) is complex structure of filament, and its specific surface area is more than
2000m2/m3。
7. the integrated purifying device according to any one of claim 2-5, it is characterised in that under anaerobism section (3)
Side is also associated with sludge settling section (4), and the pyramidal structure that sludge settling section (4) reduces for sectional area.
8. integrated purifying device according to claim 7, it is characterised in that sludge settling section (4) is detested with described
The uniform part of liquid (32) is provided between oxygen section (3), described anaerobism section (3) bottom is provided with wastewater inlet, and the liquid is uniform
Part (32) is connected by the wastewater inlet with intake pump (33), and the intake pump (33) is by sewage through the uniform portion of the liquid
Part (32) is passed through anaerobism section (3).
9. integrated purifying device according to claim 8, it is characterised in that the aerobic section (2) is provided with bypass outlet,
Anaerobism section (3) is provided with reflux inlet, is connected by circulating pump (34) between the reflux inlet and the bypass outlet, institute
It is the backflow part to state circulating pump (34)；
The bypass outlet is located at the uniform part of the liquid (32) lower section.
10. integrated purifying device according to claim 9, it is characterised in that the flow of the circulating pump (34) is institute
State intake pump (33) flow 2-4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103228.7A CN106830319A (en) | 2017-02-24 | 2017-02-24 | A kind of integrated purifying device for Sewage Biological Treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103228.7A CN106830319A (en) | 2017-02-24 | 2017-02-24 | A kind of integrated purifying device for Sewage Biological Treatment |
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| Publication Number | Publication Date |
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| CN106830319A true CN106830319A (en) | 2017-06-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103228.7A Pending CN106830319A (en) | 2017-02-24 | 2017-02-24 | A kind of integrated purifying device for Sewage Biological Treatment |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372396A (en) * | 2010-08-06 | 2012-03-14 | 李进民 | Biological sewage treatment device |
-
2017
- 2017-02-24 CN CN201710103228.7A patent/CN106830319A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372396A (en) * | 2010-08-06 | 2012-03-14 | 李进民 | Biological sewage treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 王建兵 等著: "《煤化工高浓度有机废水处理技术及工程实例》", 31 July 2015, 冶金工业出版社 * |
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Application publication date: 20170613 |