CN206255891U - A kind of biological denitrification apparatus for processing low-temperature sewage - Google Patents
A kind of biological denitrification apparatus for processing low-temperature sewage Download PDFInfo
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- CN206255891U CN206255891U CN201621253090.6U CN201621253090U CN206255891U CN 206255891 U CN206255891 U CN 206255891U CN 201621253090 U CN201621253090 U CN 201621253090U CN 206255891 U CN206255891 U CN 206255891U
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- reactor
- denitrification apparatus
- biological denitrification
- temperature sewage
- processing low
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a kind of biological denitrification apparatus for processing low-temperature sewage, including anaerobic reactor and the aerobic reactor that is connected with anaerobic reactor, PVA porous gel ball fillers are respectively provided with anaerobic reactor and aerobic reactor.The utility model is used to process the biological denitrification apparatus of low-temperature sewage, by filling PVA porous gel ball fillers in aerobic reactor and anaerobic reactor, increased the relative populations of nitrobacteria and denitrifying bacteria, improve denitrification effect, make sewage can it is simple with qualified discharge and operational factor, can easily be accommodated, cost of investment it is relatively low, the normal operation of northern frore area sewage biological treatment system can be ensured.
Description
Technical field
The utility model belongs to environmental protection industry sewage process field, and in particular to one kind is dirty for processing low temperature life
The biological denitrification apparatus of water.
Background technology
At present, Chinese body eutrophication problem proportion in water pollution problems is presented the trend increasingly sharpened.
2016 issued according to Environment Protect in China portion《China Environmental State Bulletin》It has been shown that, national lake (reservoir) eutrophication is asked
Topic is protruded.The major reason for causing body eutrophication is nitrogen, the discharge beyond standards of phosphorus in substantial amounts of municipal sewage plant's sewage.
On January 1st, 2015 starts, and since revised Law on Environmental Protection comes into effect, a series of pollutant emission standard etc. is obtained
Strict implement, especially to the requirement of city domestic sewage treatment, such as control to ammonia nitrogen index is further improved.
Small investment, floor space are few, technological process is simple, convenient operation and management, treatment effect because it has for cyclic activated sludge system
Good the advantages of, it is used widely in China's Small Urban domestic sewage processing system.Although cyclic activated sludge system is lived to normal temperature
Sewage can keep good treatment effect, but treatment effect will be by very big shadow under relatively low temperature conditionss (being less than 15 DEG C)
Ring, FAQs has sludge bulking, MLSS and SV30 high, easily cause the deficiencies such as the difficult separation of muddy water and sludge secondary pollution, especially
It is up to standard that it is that the effluent index such as ammonia nitrogen are difficult to.Therefore, north cold area low-temperature sewage biochemical treatment system how is improved
Denitrification efficiency have highly important meaning.
Utility model content
The purpose of this utility model is to provide a kind of biological denitrification apparatus for processing low-temperature sewage, and the device exists
Northern frore area temperature is too low, can realize low-temperature denitrification, sewage energy qualified discharge.
The technical scheme that the utility model is used is, a kind of biological denitrification apparatus for processing low-temperature sewage,
The aerobic reactor being connected including anaerobic reactor and with anaerobic reactor, fills respectively in anaerobic reactor and aerobic reactor
There are PVA porous gel ball fillers.
The characteristics of the utility model, also resides in,
The lower sidewall of anaerobic reactor is communicated with inlet channel, is connected with inlet channel into water peristaltic pump.
The side wall upper part of anaerobic reactor is connected by reflux line with aerobic reactor, is connected with back on reflux line
Stream peristaltic pump.
The lower sidewall of anaerobic reactor is connected by outlet conduit I with aerobic reactor, is connected with outlet conduit I
Water outlet peristaltic pump I.
Aerobic reactor bottom is provided with aeration head, and admission line is communicated with aeration head, and admission line stretches out aerobic reaction
One end of device is connected with air blower.
Aeration head is provided with two or more.
The side wall upper part of aerobic reactor is communicated with outlet conduit II, and water outlet peristaltic pump II is connected with outlet conduit II.
Agitator is provided with aerobic reactor.
The beneficial effects of the utility model are that the utility model is used to process the biological denitrification apparatus of low-temperature sewage,
By filling PVA porous gel ball fillers in aerobic reactor and anaerobic reactor, nitrobacteria and denitrifying bacteria are increased
Relative populations, improve denitrification effect, make sewage can it is simple with qualified discharge and operational factor, can easily be accommodated, invest into
This is relatively low, can ensure the normal operation of northern frore area sewage biological treatment system, to promoting sewage disposal technology and product
Very positive effect is played in industry progress, and the equipment has good market development prospect and society need, future market demand
It is huge.
Brief description of the drawings
Fig. 1 is the utility model for processing the structure chart of the biological denitrification apparatus of low-temperature sewage.
In figure, 1-1. water inlet peristaltic pumps, 1-2. backflow peristaltic pumps, 1-3. water outlet peristaltic pump I, 1-4. water outlet peristaltic pump II,
1-5. air blowers, 2-1. inlet channels, 2-2. reflux lines, 2-3. outlet conduits I, 2-4. outlet conduit II, 2-5. air inlet pipe
Road, 3. anaerobic reactor, 4. aerobic reactor, 5. agitator, 6. aeration head, 7.PVA porous gel ball fillers.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model is used to process the biological denitrification apparatus of low-temperature sewage, and structure is as shown in figure 1, anti-including anaerobism
Device 3 and the aerobic reactor 4 being connected with anaerobic reactor 3 are answered, PVA is respectively provided with anaerobic reactor 3 and aerobic reactor 4
Porous gel ball filler 7.PVA porous gel balls, except good hydrophilic property, long service life, proportion are close to water, bioaffinity
Outside high the features such as, especially its about 20 microns aperture is easy to the existence of the main force bacterium of Sewage Biological Treatment, so as to improve
The quantity and concentration of bacterium in sewage disposal process, and reduce because low temperature sludge expansion, operation operational error etc. bring
The risk of sludge loss, so that with good treatment effect.
The lower sidewall of anaerobic reactor 3 is communicated with inlet channel 2-1, is connected with inlet channel 2-1 into water peristaltic pump
1-1；The side wall upper part of anaerobic reactor 3 is connected by reflux line 2-2 with aerobic reactor 4, is connected on reflux line 2-2
There is backflow peristaltic pump 1-2；The lower sidewall of anaerobic reactor 3 is connected by outlet conduit I 2-3 with aerobic reactor 4, is gone out
Water outlet peristaltic pump I 1-3 are connected with waterpipe I 2-3.
The bottom of aerobic reactor 4 is provided with aeration head 6, and admission line 2-5 is communicated with aeration head 6, and admission line 2-5 stretches out
One end of aerobic reactor 4 is connected with air blower 1-5, and aeration head 6 is provided with two or more；The side wall of aerobic reactor 4
Top is communicated with outlet conduit II 2-4, outlet conduit II 2-4 and is connected with water outlet peristaltic pump II 1-4；In aerobic reactor 4
It is provided with agitator 5.
When using, a certain proportion of PVA porous gels ball filler is added to aerobic reactor 4 and anaerobic reactor 3 first
7, the returned sludge from Sewage Plant of certain volume is taken, be added to aerobic reactor 4 and anaerobic reactor 3, that is, add activity
The strain of sludge, accelerates culture speed；Open water inlet peristaltic pump 1-1 and sewage is proceeded to by anaerobic reactor 3 by inlet channel 2-1
Interior, while opening backflow peristaltic pump 1-2, that the mud mixture of aerobic reactor 4 is back into anaerobism by reflux line 2-2 is anti-
Answer in device 3, open water outlet peristaltic pump I 1-3 and entered the mud mixture in anaerobic reactor 3 by outlet conduit I 2-3
In oxygen reactor 4, opening agitator 5, air blower 1-5 are aerated to reaction tank, are stirred in aerobic reactor 4；Two hours
After close all devices and carry out sedimentation half an hour；Water outlet peristaltic pump II 1-4 are finally opened to be arranged by outlet conduit II 2-4
Water, when observing a large amount of closely knit appearance of zoogloea by microscopy, and it is observed that protozoan (such as campanularian), and quantity is by fast less
When speed increases, illustrate that culturing sludge is ripe.It is last to enter to need sanitary sewage pair to be processed according to activated sludge culture operation process
Reaction tank is aerated, is stirred, being settled, draining.
The utility model is the biological denitrification apparatus for processing low-temperature sewage, by aerobic reactor and anaerobism
PVA porous gel ball fillers are filled in reactor, the relative populations of nitrobacteria and denitrifying bacteria are increased, denitrogenation effect is improve
Really, make sewage can it is simple with qualified discharge and operational factor, can easily be accommodated, cost of investment it is relatively low, northern severe cold can be ensured
The normal operation of regional waste-water biological treatment system, to promoting sewage disposal technology and industrial progress to play very positive work
With the equipment has good market development prospect and society need, and future market demand is huge.
Claims (8)
1. a kind of biological denitrification apparatus for processing low-temperature sewage, it is characterised in that including anaerobic reactor (3) and with
The aerobic reactor (4) that anaerobic reactor (3) is connected, is respectively provided with the anaerobic reactor (3) and aerobic reactor (4)
PVA porous gel balls filler (7).
2. biological denitrification apparatus for processing low-temperature sewage according to claim 1, it is characterised in that described to detest
The lower sidewall of oxygen reactor (3) is communicated with inlet channel (2-1), is connected with into water peristaltic pump on the inlet channel (2-1)
(1-1)。
3. biological denitrification apparatus for processing low-temperature sewage according to claim 1, it is characterised in that described to detest
The side wall upper part of oxygen reactor (3) is connected by reflux line (2-2) with aerobic reactor (4), the reflux line (2-2)
On be connected with backflow peristaltic pump (1-2).
4., according to any described biological denitrification apparatus for processing low-temperature sewage of claims 1 to 3, its feature exists
In the lower sidewall of the anaerobic reactor (3) is connected by outlet conduit I (2-3) with aerobic reactor (4), the water outlet
Water outlet peristaltic pump I (1-3) is connected with pipeline I (2-3).
5. biological denitrification apparatus for processing low-temperature sewage according to claim 1, it is characterised in that described good
Oxygen reactor (4) bottom is provided with aeration head (6), and admission line (2-5), the admission line are communicated with the aeration head (6)
One end that (2-5) stretches out aerobic reactor (4) is connected with air blower (1-5).
6. biological denitrification apparatus for processing low-temperature sewage according to claim 5, it is characterised in that the exposure
Gas head (6) is provided with two or more.
7. biological denitrification apparatus for processing low-temperature sewage according to claim 1, it is characterised in that described good
The side wall upper part of oxygen reactor (4) is communicated with outlet conduit II (2-4), and it is compacted to be connected with water outlet on the outlet conduit II (2-4)
Dynamic pump II (1-4).
8. the biological denitrification apparatus for processing low-temperature sewage according to claim 1 or 5 or 6 or 7, its feature
It is to be provided with agitator (5) in the aerobic reactor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253090.6U CN206255891U (en) | 2016-11-22 | 2016-11-22 | A kind of biological denitrification apparatus for processing low-temperature sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253090.6U CN206255891U (en) | 2016-11-22 | 2016-11-22 | A kind of biological denitrification apparatus for processing low-temperature sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206255891U true CN206255891U (en) | 2017-06-16 |
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ID=59025272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253090.6U Expired - Fee Related CN206255891U (en) | 2016-11-22 | 2016-11-22 | A kind of biological denitrification apparatus for processing low-temperature sewage |
Country Status (1)
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| CN (1) | CN206255891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101208A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | The anaerobic in low temperature processing unit and its treatment process of a kind of high concentrated organic wastewater |
| CN114538613A (en) * | 2022-01-28 | 2022-05-27 | 长安大学 | Double-filler denitrification biological method for reducing nitrous oxide emission and application device |
-
2016
- 2016-11-22 CN CN201621253090.6U patent/CN206255891U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101208A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | The anaerobic in low temperature processing unit and its treatment process of a kind of high concentrated organic wastewater |
| CN114538613A (en) * | 2022-01-28 | 2022-05-27 | 长安大学 | Double-filler denitrification biological method for reducing nitrous oxide emission and application device |
| CN114538613B (en) * | 2022-01-28 | 2023-10-27 | 长安大学 | Double-filler denitrification biological method for reducing nitrous oxide emission and application device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |