CN207313238U - A kind of sewage-treatment plant - Google Patents
A kind of sewage-treatment plant Download PDFInfo
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- CN207313238U CN207313238U CN201721065120.5U CN201721065120U CN207313238U CN 207313238 U CN207313238 U CN 207313238U CN 201721065120 U CN201721065120 U CN 201721065120U CN 207313238 U CN207313238 U CN 207313238U
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Abstract
This application provides a kind of sewage-treatment plant, including the first reaction tank, and dephosphorization bacterial is carried out to sewage releases phosphorus processing；First sedimentation basin, is connected with the first reaction tank, and layered shaping is carried out to the treatment fluid in the first reaction tank；Second reaction tank, is connected with the first sedimentation basin, and nitration reaction is carried out to the upper strata supernatant after being layered in the first sedimentation basin；3rd reaction tank, is connected with the first sedimentation basin and the second reaction tank, carries out denitrification to the treatment fluid through nitration reaction in the lower floor's mud mixture and the second reaction tank after being layered in the first sedimentation basin and dephosphorization is handled.It can solve the problems, such as the race problem of the sludge age of nitrifier and dephosphorization bacterial and denitrifying bacterium and dephosphorization bacterial for carbon source at the same time, its dephosphorization and denitrification effect is good, and treatment effeciency is high.
Description
Technical field
This application involves a kind of sewage disposal technology, and in particular to a kind of sewage-treatment plant.
Background technology
With the reinforcement of environmentally friendly supervision, sewage plant pollutant emission standard is more and more low.There are a variety of dirts at present
The method and device of water factory's sewage disposal.And denitrification dephosphorization technique is single sludge organism system in these method and devices, i.e.,
Oxidation operation, nitrification, denitrification and biological phosphate-eliminating are completed using mixed microorganism population.Single sludge denitrification dephosphorization process is deposited
In many shortcomings：(1) the sludge age contradiction of dephosphorization bacterial and nitrifier lead to not so that two kinds of strains given play to maximum dephosphorization and
Nitrification effect；(2) the alternate operating condition of aerobic/anaerobic is unfavorable for the life of nitrifier in the single sludge denitrification dephosphorization process of tradition
It is long；(3) under the conditions of carbon source deficiency, denitrifying bacterium and release competition of the phosphorus bacterium to carbon source and cause denitrification and phosphor-removing effect poor.
The double sludge denitrification dephosphorization process developed on the basis of traditional denitrification dephosphorization technique, for example, DEPHANOX techniques and
Although A2N-SBR techniques can control the sludge age of dephosphorization bacterial and denitrifying bacterium respectively, and then optimize culture, surmount sludge and take
The ammonia nitrogen of band cannot be completely removed in subsequent processing units, for the low life of total nitrogen and ammonia-nitrogen content height, organic concentration
Sewage, existing double mud method denitrification dephosphorization techniques cannot make water outlet reach discharge standard.
Therefore, it is badly in need of providing sludge age contradiction and solution that a kind of new processing mode can solve nitrifier and dephosphorization bacterial
The certainly Immobilized culture of different strain and denitrification for Removing Nitrogen and the problem of poor phosphor-removing effect.
Utility model content
In view of background technology there are the problem of, the purpose of the application is to provide a kind of sewage-treatment plant, it can be at the same time
Solve the problems, such as nitrifier and dephosphorization bacterial sludge age and denitrifying bacterium and dephosphorization bacterial for the race problem of carbon source, its dephosphorization-de-
Nitrogen effect is good, and treatment effeciency is high.
To achieve these goals, this application provides a kind of sewage-treatment plant, including：
First reaction tank, dephosphorization bacterial is carried out to sewage releases phosphorus processing；
First sedimentation basin, is connected with first reaction tank, and the treatment fluid in first reaction tank is carried out at layering
Reason；
Second reaction tank, is connected with first sedimentation basin, to the upper strata supernatant after being layered in first sedimentation basin
Carry out nitration reaction；
3rd reaction tank, is connected with first sedimentation basin and second reaction tank, in first sedimentation basin points
The treatment fluid through nitration reaction carries out denitrification and dephosphorization processing in lower floor's mud mixture and second reaction tank after layer.
The application's has the beneficial effect that：
Dephosphorization bacterial is carried out in the first reaction tank releases phosphorus processing, nitrification processing is carried out in the second reaction tank, using two
Processing pond avoid the sludge age contradiction due to dephosphorization bacterial and nitrifier and cause two kinds of strains can not give play to maximum dephosphorization and
Nitrify denitrification effect；Dephosphorization bacterial is cultivated in first reaction tank, nitrifier is cultivated in the second reaction tank, is cultivated in the 3rd reaction tank anti-
Nitrifier dephosphorization bacterial, the nitrification liquid in the second reaction tank, which enters, provides oxidation of coal bacterium in the 3rd reaction tank, each strain post-directed training
It does not interfere with each other so as to play dephosphorization-nitrification denitrification effect of maximum, and treatment effeciency is high；The offer of oxidation of coal bacterium at the same time will solve
Determine between dephosphorization and denitrogenation to the race problem of carbon source.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the application sewage-treatment plant.
Embodiment
The following detailed description of the embodiment of the sewage-treatment plant according to the application.
As shown in Figure 1, sewage-treatment plant includes the first reaction tank 1, the first sedimentation basin 2 being connected with the first reaction tank 1,
The second reaction tank 3 being connected with the first sedimentation basin 2, the 3rd reaction tank being all connected with the first sedimentation basin 2 and the second reaction tank 3
4.The phosphorus of releasing that first reaction tank 1 is used to carry out sewage dephosphorization bacterial is handled, and the first sedimentation basin 2 is used in the first reaction tank 1
Treatment fluid carries out layered shaping, and the second reaction tank 3 is used to the upper strata supernatant after being layered in the first sedimentation basin 2 nitrify anti-
Should, the 3rd reaction tank 4 be used in the first sedimentation basin 2 be layered after lower floor's mud mixture and the second reaction tank 3 in through nitrification
The treatment fluid of reaction carries out denitrification and dephosphorization processing.
First reaction tank is anaerobic pond, sewage stopped in the first reaction tank 1 0.5~3 it is small when, the first reaction tank 1 is detested
Oxygen environment provides for dephosphorization bacterial releases phosphorus environment.Divided by the treatment fluid that the first reaction tank 1 is handled into the first sedimentation basin 2
Layer processing, the upper strata supernatant after layering, which enters to be placed with when stop 0.5~3 is small in the second reaction tank 3 of nitrifier, carries out nitre
Change reaction.The nitrification liquid after 3 nitration reaction of lower floor's mud mixture and the second reaction tank after being layered in first sedimentation basin 2 is together
Into in the 3rd reaction tank 4, the nitrification liquid after 3 nitration reaction of the second reaction tank enters in the 3rd reaction tank 4 because nitration reaction
Product so as to provide oxidation of coal bacterium for the 3rd reaction tank 4, the 3rd reaction tank 4 is anaerobic environment and is placed with denitrification at the same time
Dephosphorization bacterial, lower floor's mud mixture and nitrification liquid stopped in the 3rd reaction tank 4 0.5~3 it is small when so as to carrying out denitrification and life
Thing dephosphorization.
First sedimentation basin 1 is preferably vertical sedimentation basin, and treatment fluid is by being located at the water inlet pipe at sedimentation basin center from top to bottom
It is discharged into pond, the outlet of water inlet divides into umbrella-shaped baffle 21, waste water is uniformly distributed in pond, then slow along the whole section in pond
Rise.Suspended matter settles in bottom of pond taper sludge bucket under the effect of gravity, clear liquid from the downflow weir around the upper end of pond (in figure not
Show) in discharge.Also scum trough and baffle can be set before downflow weir, ensures effluent quality.
In the embodiment according to the application sewage-treatment plant, sewage-treatment plant further includes the first elevator pump 8, with
Second reaction tank 3 is connected with the 3rd reaction tank 4, for the treatment fluid through nitration reaction in the second reaction tank 4 to be delivered to the 3rd
Reaction tank 3.The treatment fluid through nitration reaction is delivered to the 3rd reaction tank 4 using supervisor plus the water distribution of branch pipe in second reaction tank 3
Structure, it is responsible for inside 91 the 3rd reaction tanks 4 of insertion, parallel with 92 vertical branch pipe 91 of supervisor and close to the 3rd reaction tank 4
Sewage mixture and nitrification liquid, are evenly distributed in the 3rd reaction tank to carry out dephosphorization-nitrification denitrogenation by bottom surface by branch pipe 91
Reaction, while such a cloth water-bound may also function as the effect of hydraulic mixing.
In the embodiment according to the application sewage-treatment plant, filler is filled with the second reaction tank 3, filler is preferred
For polyurethane foam, the nitrifier in the second reaction tank 3 can be fixed, prevents the loss of nitrifier.
In the embodiment according to the application sewage-treatment plant, sewage-treatment plant further includes the second sedimentation basin 5, with
3rd reaction tank 4 is connected, for carrying out layered shaping to the treatment fluid after the 3rd reaction tank 4 progress denitrification and dephosphorization processing.
Second sedimentation basin 5 is preferably vertical sedimentation basin, and treatment fluid is discharged into pond from top to bottom by the water inlet pipe for being located at sedimentation basin center,
The outlet of water inlet divides into umbrella-shaped baffle 51, waste water is uniformly distributed in pond, then slowly rises along the whole section in pond.Suspend
Thing settles in bottom of pond taper sludge bucket under the effect of gravity, and clear liquid is arranged from the downflow weir (not shown) around the upper end of pond
Go out.Also scum trough and baffle can be set before downflow weir, ensures effluent quality.
Second sedimentation basin 5 is connected with the second reaction tank 3 by the second elevator pump 9, after being layered in the second sedimentation basin 5
Upper strata supernatant be delivered to the second reaction tank 3 carry out nitration reaction.Wherein, the upper strata supernatant after layering enters back into and second
The integrated effluent dephosphorization pond (not shown) of sedimentation basin, dephosphorization agent use lime, and supernatant enters back into placement after dephosphorization
Have in the second reaction tank 3 of nitrifier and carry out nitration reaction, in addition carried because the addition of lime can also be follow-up nitration reaction
Nitration reaction is also enhanced for alkaline condition.
In the embodiment according to the application sewage-treatment plant, sewage-treatment plant further includes aeration tank 6, with second
Sedimentation basin 5 is connected, for carrying out organic matter resolution process to lower floor's mud mixture after being layered in the second sedimentation basin 5.
Lower floor's mud mixture after being layered in second sedimentation basin 5 send to aeration tank 6 and carries out organic matter resolution process, aeration
Pond 6 is handled lower floor's mud mixture using activated sludge process, and lower floor's mud mixture residence time in aeration tank 6 is
2~6 it is small when, meet the blended sliver that the required oxygen amount of organic matter and lower floor's mud mixture come into full contact with activated sludge
Part, so that organic matter is fully decomposed.
Sewage-treatment plant further includes the 3rd sedimentation basin 7 being connected with aeration tank 6, for dividing through organic matter aeration tank 6
Treatment fluid after solution processing carries out layered shaping.Upper strata supernatant after layering can be discharged up to discharge standard, lower floor's muddy water
Mixture, which by the 3rd elevator pump 10 is delivered to the first reaction tank 1, to carry out the phosphorus of releasing of dephosphorization bacterial and handles, the 3rd elevator pump 10 and the
Three sedimentation basins 7 are connected with the first reaction tank 1.3rd sedimentation basin 7 is preferably vertical sedimentation basin, and treatment fluid is by being located at sedimentation basin
The water inlet pipe at center is discharged into pond from top to bottom, and the outlet of water inlet divides into umbrella-shaped baffle 71, waste water is uniformly distributed in pond, so
Slowly rise along the whole section in pond afterwards.Suspended matter settles in bottom of pond taper sludge bucket under the effect of gravity, and clear liquid is from pond
Discharged in downflow weir (not shown) around holding.Also scum trough and baffle can be set before downflow weir, ensures effluent quality.
Lower floor's mud mixture after being layered in 3rd sedimentation basin 7 is delivered to the first reaction tank 1 and adds branch pipe using supervisor
Cloth water-bound 11, the supervisor 112 of cloth water-bound 11 are inserted into inside the first reaction tank 1, and the branch pipe 111 vertical with supervisor 112 is parallel
And close to the bottom surface of first reaction tank 1, inputted by branch pipe 111 by the sewage mixture of the 3rd sedimentation basin 7 and subsequently
Sewage be evenly distributed in the first reaction tank 1 and release phosphorus processing with carry out dephosphorization bacterial, while such a cloth water-bound may also function as
The effect of hydraulic mixing.
Sewage disposal is carried out using the sewage-treatment plant of the application, nitrifier, dephosphorization bacterial, oxidation of coal bacterium are orientation training
Support, between each other complementary interference, so as to solve the problems, such as the problem of wastewater treatment efficiency is poor caused by mutual sludge age.
The mud-water separation of three-level sedimentation basin, and three circulations, good sewage processing effect and efficiency are formed by the reflux of supernatant respectively
It is high.
Claims (10)
1. a kind of sewage-treatment plant, including：
First reaction tank, dephosphorization bacterial is carried out to sewage releases phosphorus processing；
First sedimentation basin, is connected with first reaction tank, and layered shaping is carried out to the treatment fluid in first reaction tank；
Second reaction tank, is connected with first sedimentation basin, and the upper strata supernatant after being layered in first sedimentation basin is carried out
Nitration reaction；
3rd reaction tank, is connected with first sedimentation basin and second reaction tank, after being layered in first sedimentation basin
Lower floor's mud mixture and second reaction tank in treatment fluid through nitration reaction carry out denitrification and dephosphorization processing.
2. sewage-treatment plant according to claim 1, it is characterised in that the sewage-treatment plant further includes first and carries
Pump is risen, is connected with second reaction tank and the 3rd reaction tank, by the processing through nitration reaction in second reaction tank
Liquid is delivered to the 3rd reaction tank.
3. sewage-treatment plant according to claim 2, it is characterised in that through nitration reaction in second reaction tank
Treatment fluid is delivered to the 3rd reaction tank and is inserted into the 3rd reaction tank using supervisor plus the cloth water-bound of branch pipe, the supervisor
Inside, the arms parallel vertical with the supervisor and close to the 3rd reaction tank bottom surface.
4. sewage-treatment plant according to claim 1, it is characterised in that filler is filled with second reaction tank.
5. sewage-treatment plant according to claim 1, it is characterised in that it is heavy that the sewage-treatment plant further includes second
Shallow lake pond, is connected with the 3rd reaction tank, and the treatment fluid after denitrification and dephosphorization processing is carried out to the 3rd reaction tank and is carried out
Layered shaping.
6. sewage-treatment plant according to claim 5, it is characterised in that the sewage-treatment plant further includes second and carries
Pump is risen, is connected with second sedimentation basin and second reaction tank, by the upper strata supernatant after being layered in second sedimentation basin
Liquid is delivered to second reaction tank and carries out nitration reaction.
7. sewage-treatment plant according to claim 5, it is characterised in that the sewage-treatment plant further includes aeration
Pond, is connected with second sedimentation basin, and organic matter point is carried out to lower floor's mud mixture after being layered in second sedimentation basin
Solution processing.
8. sewage-treatment plant according to claim 7, it is characterised in that it is heavy that the sewage-treatment plant further includes the 3rd
Shallow lake pond, is connected with the aeration tank, and layered shaping is carried out to treatment fluid of the aeration tank after organic matter resolution process.
9. sewage-treatment plant according to claim 8, it is characterised in that the sewage-treatment plant further includes the 3rd and carries
Pump is risen, is connected with the 3rd sedimentation basin and first reaction tank, by lower floor's muddy water after being layered in the 3rd sedimentation basin
The phosphorus of releasing that mixture is delivered to the first reaction tank progress dephosphorization bacterial is handled.
10. sewage-treatment plant according to claim 9, it is characterised in that under after being layered in the 3rd sedimentation basin
Layer mud mixture is delivered to first reaction tank using supervisor plus the cloth water-bound of branch pipe, supervisor's insertion described first
Inside reaction tank, the arms parallel vertical with the supervisor and close to the first reaction tank bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065120.5U CN207313238U (en) | 2017-08-24 | 2017-08-24 | A kind of sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065120.5U CN207313238U (en) | 2017-08-24 | 2017-08-24 | A kind of sewage-treatment plant |
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| Publication Number | Publication Date |
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| CN207313238U true CN207313238U (en) | 2018-05-04 |
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| CN201721065120.5U Active CN207313238U (en) | 2017-08-24 | 2017-08-24 | A kind of sewage-treatment plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324608A (en) * | 2017-08-24 | 2017-11-07 | 西安泽睿环境科技有限公司 | A kind of sewage water treatment method and device |
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2017
- 2017-08-24 CN CN201721065120.5U patent/CN207313238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324608A (en) * | 2017-08-24 | 2017-11-07 | 西安泽睿环境科技有限公司 | A kind of sewage water treatment method and device |
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