CN208440450U - Sewage-treatment plant and sewage disposal system - Google Patents
Sewage-treatment plant and sewage disposal system Download PDFInfo
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- CN208440450U CN208440450U CN201820058504.2U CN201820058504U CN208440450U CN 208440450 U CN208440450 U CN 208440450U CN 201820058504 U CN201820058504 U CN 201820058504U CN 208440450 U CN208440450 U CN 208440450U
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Abstract
The utility model provides a kind of sewage-treatment plant and sewage disposal system, is related to technical field of sewage, comprising: the first processing unit, second processing device, dephosphorization dehydration device and filter device；The total nitrogen and total phosphorus in sewage are handled by the first processing unit, second processing device handles the organic matter and total nitrogen in sewage, dephosphorization dehydration device removes the total phosphorus and excess sludge in sewage, treated that sewage is discharged into filter device for second processing device and dephosphorization dehydration device, filter device further removes the suspended matter in sewage, organic matter and nitrogen phosphorus, the removal rate for alleviating traditional waste water biochemical treatment method phosphor in sewage existing in the prior art is not high, the excessive technical problem of the sludge generated after sewage treatment, realize the removal rate for improving phosphor in sewage, the less technical effect of the sludge quantity generated after sewage treatment.
Description
Technical field
The utility model relates to technical field of sewage, more particularly, to a kind of sewage-treatment plant and sewage treatment system
System.
Background technique
With the abruptly increase of urban population, the raising of rural urbanization and living standards of the people, water requirement is needed with total per capita
Water is continuously increased, and town sewage total release is also increase accordingly therewith, and with the development of economy, and social progress disappears
Requirement of the person of expense to life is also higher and higher, and municipal sewage has become environmental protection administration's technical problem urgently to be resolved.
Traditional biochemical wastewater treatment it is general there is several methods that, as the circulation of anaerobic-aerobic removes total nitrogen or anaerobism-is good
Systemic circulation+spoil disposal synchronous denitrification dephosphorizing of the circulation of oxygen+spoil disposal removal total phosphorus or anaerobic- anoxic- oxic.
But the removal rate of traditional waste water biochemical treatment method phosphorus is not high, and the phosphorus removal functional in total system and dirt
The discharge amount of mud is related, causes the sludge yield in sewage excessively high.
Utility model content
The purpose of this utility model is to provide a kind of sewage-treatment plant and sewage disposal systems, to alleviate existing skill
The removal rate of traditional waste water biochemical treatment method phosphor in sewage present in art is not high, and the sludge generated after sewage treatment is excessive
The technical issues of.
Sewage-treatment plant provided by the utility model, comprising: the first processing unit, second processing device, dephosphorization dehydration
Device and filter device；Inlet is provided on the side wall of first processing unit, sewage enters the first processing by inlet
In device, the first processing unit is used to handle the total nitrogen and total phosphorus in sewage；One end of dephosphorization dehydration device is inserted at first
It manages in device, to be connected to the first processing unit, dephosphorization dehydration device is used to remove the total phosphorus and excess sludge in sewage；First
Processing unit is connected to second processing device, and second processing device is used to handle the organic matter and total nitrogen in sewage；Second processing
Device and dephosphorization dehydration device are connected to filter device, and treated that sewage is equal for second processing device and dephosphorization dehydration device
It enters in filter device, filter device is used to remove suspended matter, organic matter and the nitrogen phosphorus in sewage.
Further, dephosphorization dehydration device includes collection device, dephosphorization dewaterer and dephosphorization pump；Collection device is set to
In one processing unit, collection device is used to collect the rich phosphorus clear liquid and sludge in the first processing unit in sewage；Dephosphorization dewaterer
It is connected to respectively by inlet tube and outlet tube with collection device and filter device, dephosphorization pump is set on inlet tube, and dephosphorization pump is used
In by collection device rich phosphorus clear liquid and sludge be transported in dephosphorization dewaterer, dephosphorization dewaterer for remove it is total in sewage
Phosphorus and excess sludge, treated that sewage is entered in filter device by outlet tube for dephosphorization dewaterer；The bottom of dephosphorization dewaterer
Portion is provided with sludge outlet, and the sludge in dephosphorization dewaterer is discharged by sludge outlet.
Further, the first processing unit includes anoxic pond and anaerobic pond；Anoxic pond is connected to anaerobic pond, inlet setting
In on the side wall of anoxic pond, sewage is entered in anoxic pond by inlet, and anoxic pond is used for the ammonia nitrogen and nitre state in sewage
Nitrogen is converted into nitrogen, and treated that sewage enters in anaerobic pond for anoxic pond；Collection device is set in anaerobic pond, and anaerobic pond
It being connected to respectively with second processing device and collection device, the sludge in anaerobic pond in sewage sufficiently discharges phosphorus under anaerobic state,
So as to obtain rich phosphorus supernatant in anaerobic pond and without phosphorus sludge, the rich phosphorus supernatant in anaerobic pond is entered in collection device, is detested
Being entered in second processing device without phosphorus sludge in oxygen pond.
Further, sewage-treatment plant further includes elevator pump；Anoxic pond is connected to anaerobic pond by communicating pipe, elevator pump
It is set on communicating pipe.
Further, second processing device includes aerobic tank and clear liquid extraction element；Aerobic tank is set to anaerobic pond and mistake
It filters between device, and aerobic tank is connected to anaerobic pond, aerobic tank is used to handle the organic matter and total nitrogen in sewage；Clear liquid extracts dress
It installs and is placed in aerobic tank, and clear liquid extraction element is connected to filter device, clear liquid extraction element is used for the sludge in sewage
It rests in aerobic tank, so that clear liquid extraction element obtains sewage clear liquid, and this sewage clear liquid is transported in filter device.
Further, sewage-treatment plant further includes return flow line；Aerobic tank is connected to by return flow line with anoxic pond, good
Sewage sludge mixed liquor in oxygen pond is entered in anoxic pond by return flow line.
Further, liquid outlet is provided on the side wall of filter device；Treated in filter device liquid is by going out liquid
Mouth discharge.
Further, filter device is set as biological aerated filter.
Further, sewage-treatment plant further includes regulating device；Regulating device is set in the first processing unit, and is adjusted
Regulating device is connect with inlet, and regulating device is used to adjust the discharge of sewage of inlet.
Sewage disposal system provided by the utility model, including sewage-treatment plant.
Sewage-treatment plant provided by the utility model, comprising: the first processing unit, second processing device, dephosphorization dehydration
Device and filter device；Inlet is provided on the side wall of first processing unit, sewage enters the first processing by inlet
In device, the first processing unit is used to handle the total nitrogen and total phosphorus in sewage；One end of dephosphorization dehydration device is inserted at first
It manages in device, to be connected to the first processing unit, dephosphorization dehydration device is used to remove the total phosphorus and excess sludge in sewage；First
Processing unit is connected to second processing device, and second processing device is used to handle the organic matter and total nitrogen in sewage；Second processing
Device and dephosphorization dehydration device are connected to filter device, and treated that sewage is equal for second processing device and dephosphorization dehydration device
It enters in filter device, filter device is used to remove suspended matter, organic matter and the nitrogen phosphorus in sewage.Pass through the first processing unit
The total nitrogen and total phosphorus in sewage are handled, and sewage is drained into second processing device and dephosphorization dehydration device by treated, the
Two processing units handle the organic matter and total nitrogen in sewage, and dephosphorization dehydration device removes the total phosphorus and excess sludge in sewage, the
Treated that sewage is discharged into filter device for two processing units and dephosphorization dehydration device, and filter device further goes to decontaminate
Suspended matter, organic matter and nitrogen phosphorus in water, make filter device treated that water quality is better than " water pollutant comprehensive discharge mark comprehensively
It is quasi- ", the removal rate for alleviating traditional waste water biochemical treatment method phosphor in sewage existing in the prior art is not high, sewage treatment
The excessive technical problem of the sludge generated afterwards realizes the removal rate for improving phosphor in sewage, the sludge quantity generated after sewage treatment
Less technical effect.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of sewage-treatment plant provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram that sewage-treatment plant provided by the embodiment of the utility model has liquid outlet；
Fig. 3 is the structural schematic diagram that sewage-treatment plant provided by the embodiment of the utility model has regulating device.
Icon: the first processing unit of 100-；110- anoxic pond；111- inlet；112- communicating pipe；113- elevator pump；
120- anaerobic pond；200- second processing device；210- aerobic tank；The return flow line 211-；220- clear liquid extraction element；300- dephosphorization
Dehydration device；310- collection device；320- dephosphorization dewaterer；330- dephosphorization pump；340- sludge outlet；400- filter device；
410- liquid outlet；500- regulating device.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1 is the overall structure diagram of sewage-treatment plant provided in this embodiment；Fig. 2 is dirt provided in this embodiment
Water treatment facilities has the structural schematic diagram of liquid outlet；Fig. 3 is that sewage-treatment plant provided in this embodiment has regulating device
Structural schematic diagram.
As shown in Figure 1-3, sewage-treatment plant provided in this embodiment, comprising: the first processing unit 100, second processing
Device 200, dephosphorization dehydration device 300 and filter device 400；It is provided with inlet 111 on the side wall of first processing unit 100,
Sewage is entered in the first processing unit 100 by inlet 111, and the first processing unit 100 is used to handle the total nitrogen in sewage
And total phosphorus；One end of dephosphorization dehydration device 300 is inserted in the first processing unit 100, to be connected to the first processing unit 100,
Dephosphorization dehydration device 300 is used to remove the total phosphorus and excess sludge in sewage；First processing unit 100 and second processing device
200 connections, second processing device 200 are used to handle the organic matter and total nitrogen in sewage；Second processing device 200 and dephosphorization dehydration
Device 300 is connected to filter device 400, and second processing device 200 and dephosphorization dehydration device 300 treated sewage into
Enter into filter device 400, filter device 400 is used to remove suspended matter, organic matter and the nitrogen phosphorus in sewage.
Wherein, sewage is entered in the first processing unit 100 by inlet 111, and the first processing unit 100 handles sewage
In total nitrogen and total phosphorus, second processing device 200 handles the organic matter and total nitrogen in sewage, and dephosphorization dehydration device 300 goes to decontaminate
Treated that sewage is discharged into filtering for total phosphorus and excess sludge in water, second processing device 200 and dephosphorization dehydration device 300
In device 400, filter device 400 further removes suspended matter, organic matter and nitrogen phosphorus in sewage, makes phosphorus, the nitrogen in sewage
It is greatly reduced with organic matter, meets the requirement of " water pollutant comprehensive discharge standard " comprehensively.
Detailed process, dephosphorization dehydration device 300 are extend into the first processing unit 100, and handle the first processing unit 100
Interior sewage, so that sewage is divided into rich phosphorus clear liquid in the first processing unit 100 and without phosphorus sludge, it is de- that rich phosphorus clear liquid is transported to dephosphorization
In water installations 300, no phosphorus sludge is transported in second processing device 200.
Meanwhile keeping the phosphorus removal functional of system no longer related to the discharge amount of excess sludge using dephosphorization dehydration device 300, it is
The sludge yield of system is greatly reduced than traditional active sludge yield.
Further, filter device 400 is set as biological aerated filter.
Filter device 400 is set as biological aerated filter, plays the role of oil removal, while further going to denitrogenate phosphorus
And organic matter.
Sewage-treatment plant provided in this embodiment, comprising: the first processing unit 100, second processing device 200, dephosphorization
Dehydration device 300 and filter device 400；It is provided with inlet 111 on the side wall of first processing unit 100, sewage passes through feed liquor
Mouth 111 enters in the first processing unit 100, and the first processing unit 100 is used to handle the total nitrogen and total phosphorus in sewage；Dephosphorization is de-
One end of water installations 300 is inserted in the first processing unit 100, to be connected to the first processing unit 100, dephosphorization dehydration device
300 for removing total phosphorus and excess sludge in sewage；First processing unit 100 is connected to second processing device 200, and first
Treated that sewage has respectively entered in second processing device 200 and dephosphorization dehydration device 300 for processing unit 100, second processing
Device 200 is used to handle the organic matter and total nitrogen in sewage；Second processing device 200 and dephosphorization dehydration device 300 with filtering
Device 400 is connected to, and filter device 400 is used to remove suspended matter, organic matter and the nitrogen phosphorus in sewage.Pass through the first processing unit
Total nitrogen and total phosphorus in 100 processing sewage, and sewage is drained into second processing device 200 and dephosphorization dehydration device by treated
In 300, second processing device 200 handles the organic matter and total nitrogen in sewage, and dephosphorization dehydration device 300 removes the total phosphorus in sewage
And excess sludge, treated that sewage is discharged into filter device 400 for second processing device 200 and dephosphorization dehydration device 300,
Further suspended matter, organic matter and the nitrogen phosphorus in removal sewage of filter device 400 makes filter device 400 treated water quality
It is better than " water pollutant comprehensive discharge standard " comprehensively, it is dirty alleviates traditional waste water biochemical treatment method existing in the prior art
The removal rate of phosphorus is not high in water, the excessive technical problem of the sludge generated after sewage treatment, realizes and improves going for phosphor in sewage
Except rate, the less technical effect of the sludge quantity generated after sewage treatment.
On the basis of the above embodiments, further, the dephosphorization dehydration in sewage-treatment plant provided in this embodiment
Device 300 includes collection device 310, dephosphorization dewaterer 320 and dephosphorization pump 330；Collection device 310 is set to the first processing unit
In 100, collection device 310 is used to collect the rich phosphorus clear liquid and sludge in the first processing unit 100 in sewage；Dephosphorization dewaterer
320 are connected to by inlet tube and outlet tube with collection device 310 and filter device 400 respectively, and dephosphorization pump 330 is set to inlet tube
On, dephosphorization pump 330 for by collection device 310 rich phosphorus clear liquid and sludge be transported in dephosphorization dewaterer 320, dephosphorization dehydration
Machine 320 is used to remove total phosphorus and excess sludge in sewage, and treated that sewage is entered by outlet tube for dephosphorization dewaterer 320
In filter device 400；The bottom of dephosphorization dewaterer 320 is provided with sludge outlet 340, and the sludge in dephosphorization dewaterer 320 is logical
Cross the discharge of sludge outlet 340.
Wherein, collection device 310 is set in the first processing unit 100, and collection device 310 is by the first processing unit 100
Rich phosphorus clear liquid and sludge in interior sewage are collected into collection device 310, and will be in collection device 310 by dephosphorization pump 330
Rich phosphorus clear liquid and sludge are transported in dephosphorization dewaterer 320, and dephosphorization dewaterer 320 removes the phosphorus in sewage, and by sludge settling
In the bottom of dephosphorization dewaterer 320, sludge is discharged by sludge outlet 340.
Dephosphorization dewaterer 320 is the phosphate transfection in sewage to be turned to precipitating by dosing, and make to sink by loading magnetic kind
Shallow lake starts to be separated from water, to achieve the purpose that dephosphorization is dehydrated.
Further, the first processing unit 100 includes anoxic pond 110 and anaerobic pond 120；Anoxic pond 110 and anaerobic pond 120
Connection, inlet 111 are set on the side wall of anoxic pond 110, and sewage is entered in anoxic pond 110 by inlet 111, anoxic
Pond 110 be used for by sewage ammonia nitrogen and nitrate nitrogen be converted into nitrogen, treated that sewage enters anaerobic pond for anoxic pond 110
In 120；Collection device 310 is set in anaerobic pond 120, and anaerobic pond 120 respectively with second processing device 200 and collection device
310 are connected to, and the sludge in anaerobic pond 120 in sewage sufficiently discharges phosphorus under anaerobic state, so as to obtain rich phosphorus in anaerobic pond 120
Supernatant and without phosphorus sludge, the rich phosphorus supernatant in anaerobic pond 120 enters in collection device 310, without phosphorus in anaerobic pond 120
Sludge enters in second processing device 200.
Wherein, 110 main function of anoxic pond is ammonia nitrogen and nitrate nitrogen to be converted into nitrogen, while macromolecular in sewage is had
Machine object is degraded to small organic molecule, and 120 main function of anaerobic pond is that sludge sufficiently discharges phosphorus under anaerobic state, obtains rich phosphorus
Supernatant and without phosphorus sludge, rich phosphorus supernatant and enters in dephosphorization dewaterer 320 without phosphorus sludge.
Further, sewage-treatment plant further includes elevator pump 113；Anoxic pond 110 and anaerobic pond 120 pass through communicating pipe
112 connections, elevator pump 113 were set on communicating pipe 112.
Wherein, elevator pump 113 is set on communicating pipe 112, using elevator pump 113 by the sewage transport in anoxic pond 110
Into anaerobic pond 120.
Sewage-treatment plant provided in this embodiment removes the phosphorus in sewage by dephosphorization dewaterer 320, and will be in sewage
Sludge settling is discharged in bottom by sludge outlet 340；Ammonia nitrogen and nitrate nitrogen are converted nitrogen, while handle by anaerobic pond 120
Larger molecular organics are degraded to small organic molecule in sewage, and sludge is sufficiently discharged phosphorus under anaerobic state, obtained by anaerobic pond 120
To rich phosphorus supernatant and without phosphorus sludge, rich phosphorus supernatant and entered in dephosphorization dewaterer 320 without phosphorus sludge.
On the basis of the above embodiments, further, the second processing in sewage-treatment plant provided in this embodiment
Device 200 includes aerobic tank 210 and clear liquid extraction element 220；Aerobic tank 210 be set to anaerobic pond 120 and filter device 400 it
Between, and aerobic tank 210 is connected to anaerobic pond 120, aerobic tank 210 is used to handle the organic matter and total nitrogen in sewage；Clear liquid extracts
Device 220 is set in aerobic tank 210, and clear liquid extraction element 220 is connected to filter device 400, and clear liquid extraction element 220 is used
In by the sludge retention in sewage in aerobic tank 210 so that clear liquid extraction element 220 obtains sewage clear liquid, and by this sewage
Clear liquid is transported in filter device 400.
Wherein, 210 main function of aerobic tank is degradation of organic substances, while being nitrate nitrogen mineralized nitrogen, and clear liquid extracts dress
The sludge set in 220 prevention sewage enters in clear liquid extraction element 220, makes sludge retention in aerobic tank 210, so that clearly
Liquid extraction element 220 obtains sewage clear liquid, and sewage clear liquid is transported in filter device 400.
Further, sewage-treatment plant further includes return flow line 211；Aerobic tank 210 passes through return flow line 211 and anoxic
Pond 110 is connected to, and the sewage sludge mixed liquor in aerobic tank 210 is entered in anoxic pond 110 by return flow line 211.
Wherein, the mixed liquor of the sludge in aerobic tank 210 and sewage flows back into anoxic pond by return flow line 211 again
In 110, does not need extra power and flow back into mixed liquor in anoxic pond 110, reduce the energy consumption of single unit system, it is more suitable
Preferably promote the use of.
Further, liquid outlet 410 is provided on the side wall of filter device 400；Treated in filter device 400 liquid
It is discharged by liquid outlet 410.
Wherein, treated the sewage of filter device 400 is discharged by liquid outlet 410.
The settable water quality detecting device on liquid outlet 410, the water quality for the sewage that real-time detection liquid outlet 410 is discharged, just
It is detected in staff.
Further, sewage-treatment plant further includes regulating device 500；Regulating device 500 is set to the first processing unit
In 100, and regulating device 500 is connect with inlet 111, and regulating device 500 is used to adjust the discharge of sewage of inlet 111.
Wherein, regulating device 500 is set in first processing unit 100, regulating device 500 adjust by inlet 111 into
Enter the sewage treatment matter for avoiding that single unit system is influenced because the discharge of sewage is excessive to the discharge of sewage in the first processing unit 100
Amount.
Sewage-treatment plant provided in this embodiment handles the organic matter and total nitrogen in sewage by aerobic tank 210, simultaneously
The clear liquid in sewage is extracted using clear liquid extraction element 220, sludge is avoided to enter in filter device 400；By at first
It manages and regulating device 500 is set in device 100, the flow of inlet 111 is adjusted convenient for staff.
Sewage disposal system provided by the utility model, including sewage-treatment plant.
Since the technical effect of sewage disposal system provided in this embodiment and the technology of above-mentioned sewage-treatment plant are imitated
Fruit is identical, is not repeating herein.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of sewage-treatment plant characterized by comprising the first processing unit, second processing device, dephosphorization dehydration device
And filter device；
Inlet is provided on the side wall of first processing unit, sewage enters first processing unit by inlet
Interior, first processing unit is used to handle the total nitrogen and total phosphorus in sewage；
One end of the dephosphorization dehydration device is inserted in first processing unit, to be connected to first processing unit,
The dephosphorization dehydration device is used to remove the total phosphorus and excess sludge in sewage；First processing unit and the second processing
Device connection, the second processing device are used to handle the organic matter and total nitrogen in sewage；
The second processing device and the dephosphorization dehydration device are connected to the filter device, and the second processing device
Treated that sewage enters in the filter device with the dephosphorization dehydration device, and the filter device is for removing sewage
In suspended matter, organic matter and nitrogen phosphorus.
2. sewage-treatment plant according to claim 1, which is characterized in that the dephosphorization dehydration device includes collecting dress
It sets, dephosphorization dewaterer and dephosphorization pump；
The collection device is set in first processing unit, and the collection device is for collecting first processing unit
Rich phosphorus clear liquid and sludge in interior sewage；
The dephosphorization dewaterer passes through inlet tube and outlet tube respectively and is connected to the collection device and the filter device, described
Dephosphorization pump is set on the inlet tube, dephosphorization pump for by the collection device rich phosphorus clear liquid and sludge be transported to
In the dephosphorization dewaterer, the dephosphorization dewaterer is used to remove the total phosphorus and excess sludge in sewage, the dephosphorization dewaterer
Treated, and sewage is entered in the filter device by the outlet tube；
The bottom of the dephosphorization dewaterer is provided with sludge outlet, and the sludge in the dephosphorization dewaterer is arranged by the sludge
Outlet discharge.
3. sewage-treatment plant according to claim 2, which is characterized in that first processing unit include anoxic pond and
Anaerobic pond；
The anoxic pond is connected to the anaerobic pond, and the inlet is set on the side wall of the anoxic pond, and sewage passes through institute
Inlet is stated to enter in the anoxic pond, the anoxic pond be used for by sewage ammonia nitrogen and nitrate nitrogen be converted into nitrogen, institute
State anoxic pond treated that sewage enters in the anaerobic pond；
The collection device is set in the anaerobic pond, and the anaerobic pond respectively with the second processing device and the receipts
Acquisition means are connected to, and the sludge in the anaerobic pond in sewage sufficiently discharges phosphorus under anaerobic state, so that in the anaerobic pond
To rich phosphorus supernatant and without phosphorus sludge, the rich phosphorus supernatant in the anaerobic pond is entered in the collection device, the anaerobism
Being entered in the second processing device without phosphorus sludge in pond.
4. sewage-treatment plant according to claim 3, which is characterized in that further include elevator pump；
The anoxic pond is connected to the anaerobic pond by communicating pipe, and the elevator pump was set on the communicating pipe.
5. sewage-treatment plant according to claim 3, which is characterized in that the second processing device include aerobic tank and
Clear liquid extraction element；
The aerobic tank is set between the anaerobic pond and the filter device, and the aerobic tank and the anaerobic pond connect
Logical, the aerobic tank is used to handle the organic matter and total nitrogen in sewage；
The clear liquid extraction element is set in the aerobic tank, and the clear liquid extraction element is connected to the filter device,
The clear liquid extraction element is used for by the sludge retention in sewage in the aerobic tank, so that the clear liquid extraction element obtains
Sewage clear liquid, and this sewage clear liquid is transported in the filter device.
6. sewage-treatment plant according to claim 5, which is characterized in that further include return flow line；
The aerobic tank is connected to by the return flow line with the anoxic pond, and the sewage sludge mixed liquor in the aerobic tank is logical
The return flow line is crossed to enter in the anoxic pond.
7. sewage-treatment plant according to claim 1, which is characterized in that be provided with out on the side wall of the filter device
Liquid mouth；
Treated in the filter device, and liquid is discharged by the liquid outlet.
8. sewage-treatment plant according to claim 6, which is characterized in that the filter device is set as aeration and biological filter
Pond.
9. sewage-treatment plant according to claim 1-8, which is characterized in that further include regulating device；
The regulating device is set in first processing unit, and the regulating device is connect with the inlet, described
Regulating device is used to adjust the discharge of sewage of the inlet.
10. a kind of sewage disposal system, which is characterized in that including such as described in any item sewage-treatment plants of claim 1-9.
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| CN201820058504.2U CN208440450U (en) | 2018-01-12 | 2018-01-12 | Sewage-treatment plant and sewage disposal system |
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| CN201820058504.2U CN208440450U (en) | 2018-01-12 | 2018-01-12 | Sewage-treatment plant and sewage disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002665A (en) * | 2018-01-12 | 2018-05-08 | 北京环科宏力环境科技有限公司 | Sewage-treatment plant and sewage disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002665A (en) * | 2018-01-12 | 2018-05-08 | 北京环科宏力环境科技有限公司 | Sewage-treatment plant and sewage disposal system |
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