CN108002665A - Sewage-treatment plant and sewage disposal system - Google Patents
Sewage-treatment plant and sewage disposal system Download PDFInfo
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- CN108002665A CN108002665A CN201810032470.4A CN201810032470A CN108002665A CN 108002665 A CN108002665 A CN 108002665A CN 201810032470 A CN201810032470 A CN 201810032470A CN 108002665 A CN108002665 A CN 108002665A
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- Prior art keywords
- sewage
- dephosphorization
- sludge
- phosphorus
- filtration apparatus
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2101/30—Organic compounds
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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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
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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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
- C02F3/308—Biological phosphorus removal
Abstract
The present invention provides a kind of sewage-treatment plant and sewage disposal system, is related to technical field of sewage, including：First processing unit, second processing device, dephosphorization dehydration device and filtration apparatus；Pass through the total nitrogen and total phosphorus in the first processing unit treated sewage, organic matter and total nitrogen in second processing device treated sewage, dephosphorization dehydration device removes the total phosphorus and excess sludge in sewage, sewage after second processing device and the processing of dephosphorization dehydration device is discharged into filtration apparatus, filtration apparatus 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 that is produced after sewage disposal, realize the removal rate for improving phosphor in sewage, the less technique effect of the sludge quantity that is produced after sewage disposal.
Description
Technical field
The present invention relates to technical field of sewage, more particularly, to a kind of sewage-treatment plant and sewage disposal system.
Background technology
With the abruptly increase of urban population, rural urbanization and the raising of living standards of the people, per capita water requirement and always need
Water is continuously increased, the also corresponding increase, and with expanding economy, social progress, disappears therewith of town sewage total release
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 hurrily.
Traditional biochemical wastewater treatment it is general there is several methods that, as the circulation of anaerobic-aerobic removes total nitrogen, or anaerobism-good
The circulation of oxygen+spoil disposal removes total phosphorus, or systemic circulation+spoil disposal synchronous denitrification dephosphorizing of 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 capacity of mud is related, causes the sludge yield in sewage excessive.
The content of the invention
It is an object of the invention to provide a kind of sewage-treatment plant and sewage disposal system, to alleviate in the prior art
The removal rate of existing traditional waste water biochemical treatment method phosphor in sewage is not high, the excessive skill of the sludge produced after sewage disposal
Art problem.
Sewage-treatment plant provided by the invention, including：First processing unit, second processing device, dephosphorization dehydration device
And filtration apparatus；Inlet is provided with the side wall of first processing unit, sewage enters the first processing unit by inlet
Interior, the first processing unit is used for total nitrogen and total phosphorus in treated sewage；One end of dephosphorization dehydration device is inserted in the first processing dress
In putting, to be connected with the first processing unit, dephosphorization dehydration device is used to remove the total phosphorus and excess sludge in sewage；First processing
Device is connected with second processing device, and second processing device is used for organic matter and total nitrogen in treated sewage；Second processing device
Connected with dephosphorization dehydration device with filtration apparatus, and the sewage after second processing device and the processing of dephosphorization dehydration device enters
Into filtration apparatus, filtration apparatus 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 arranged at
In one processing unit, collection device is used to collect rich the phosphorus clear liquid and sludge in the first processing unit in sewage；Dephosphorization dewaterer
Connected respectively by inlet tube and outlet tube with collection device and filtration apparatus, dephosphorization pump is arranged on inlet tube, and dephosphorization pump is used
Rich phosphorus clear liquid and sludge in by collection device are transported in dephosphorization dewaterer, and dephosphorization dewaterer is used to remove total in sewage
Phosphorus and excess sludge, the sewage after the processing of dephosphorization dewaterer are entered in filtration apparatus by outlet tube；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 with anaerobic pond, and inlet is set
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 in sewage and nitre state
Nitrogen is converted into nitrogen, and the sewage after anoxic pond processing is entered in anaerobic pond；Collection device is arranged in anaerobic pond, and anaerobic pond
Being connected respectively with second processing device and collection device, the sludge in anaerobic pond in sewage fully 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 without phosphorus sludge in second processing device in oxygen pond.
Further, sewage-treatment plant further includes elevator pump；Anoxic pond is connected with anaerobic pond by communicating pipe, elevator pump
It is arranged on communicating pipe.
Further, second processing device includes aerobic tank and clear liquid extraction element；Aerobic tank is arranged at anaerobic pond and mistake
Between filtering device, and aerobic tank is connected with anaerobic pond, and aerobic tank is used for organic matter and total nitrogen in treated sewage；Clear liquid extraction dress
Install and be placed in aerobic tank, and clear liquid extraction element is connected with filtration apparatus, clear liquid extraction element is used for the sludge in sewage
Rest in aerobic tank, so that clear liquid extraction element obtains sewage clear liquid, and this sewage clear liquid is transported in filtration apparatus.
Further, sewage-treatment plant further includes return flow line；Aerobic tank is connected 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, it is provided with liquid outlet on the side wall of filtration apparatus；Liquid in filtration apparatus after processing is by going out liquid
Mouth discharge.
Further, filtration apparatus is arranged to biological aerated filter.
Further, sewage-treatment plant further includes regulating device；Regulating device is arranged in the first processing unit, and is adjusted
Regulating device is connected with inlet, and regulating device is used for the discharge of sewage for adjusting inlet.
Sewage disposal system provided by the invention, including sewage-treatment plant.
Sewage-treatment plant provided by the invention, including：First processing unit, second processing device, dephosphorization dehydration device
And filtration apparatus；Inlet is provided with the side wall of first processing unit, sewage enters the first processing unit by inlet
Interior, the first processing unit is used for total nitrogen and total phosphorus in treated sewage；One end of dephosphorization dehydration device is inserted in the first processing dress
In putting, to be connected with the first processing unit, dephosphorization dehydration device is used to remove the total phosphorus and excess sludge in sewage；First processing
Device is connected with second processing device, and second processing device is used for organic matter and total nitrogen in treated sewage；Second processing device
Connected with dephosphorization dehydration device with filtration apparatus, and the sewage after second processing device and the processing of dephosphorization dehydration device enters
Into filtration apparatus, filtration apparatus is used to remove suspended matter, organic matter and the nitrogen phosphorus in sewage.Handled by the first processing unit
Total nitrogen and total phosphorus in sewage, and the sewage after processing is drained into second processing device and dephosphorization dehydration device, at second
The organic matter and total nitrogen in device treated sewage are managed, dephosphorization dehydration device removes the total phosphorus and excess sludge in sewage, at second
Sewage after reason device and the processing of dephosphorization dehydration device is discharged into filtration apparatus, and filtration apparatus is further removed in sewage
Suspended matter, organic matter and nitrogen phosphorus, make filtration apparatus handle after water quality be better than comprehensively《Water pollutant comprehensive discharge standard》, delay
It is not high to have solved the removal rate of traditional waste water biochemical treatment method phosphor in sewage existing in the prior art, has been produced after sewage disposal
The excessive technical problem of sludge, realize the removal rate for improving phosphor in sewage, the sludge quantity produced after sewage disposal is less
Technique effect.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the overall structure diagram of sewage-treatment plant provided in an embodiment of the present invention；
Fig. 2 is the structure diagram that sewage-treatment plant provided in an embodiment of the present invention carries liquid outlet；
Fig. 3 is the structure diagram that sewage-treatment plant provided in an embodiment of the present invention carries regulating device.
Icon：The first processing units of 100-；110- anoxic ponds；111- inlets；112- communicating pipes；113- elevator pumps；
120- anaerobic ponds；200- second processing devices；210- aerobic tanks；211- return flow lines；220- clear liquid extraction elements；300- dephosphorization
Dehydration device；310- collection devices；320- dephosphorization dewaterers；330- dephosphorization pumps；340- sludge outlets；400- filtration apparatuses；
410- liquid outlets；500- regulating devices.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it are based on orientation shown in the drawings or position
Relation, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language 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 carries the structure diagram of liquid outlet；Fig. 3 carries regulating device for sewage-treatment plant provided in this embodiment
Structure diagram.
As shown in Figs. 1-3, sewage-treatment plant provided in this embodiment, including：First processing unit 100, second processing
Device 200, dephosphorization dehydration device 300 and filtration apparatus 400；Inlet 111 is provided with 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 for the total nitrogen in treated sewage
And total phosphorus；One end of dephosphorization dehydration device 300 is inserted in the first processing unit 100, to be connected with 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 for organic matter and total nitrogen in treated sewage；Second processing device 200 and dephosphorization dehydration
Device 300 is connected with filtration apparatus 400, and second processing device 200 and dephosphorization dehydration device 300 handle after sewage into
Enter into filtration apparatus 400, filtration apparatus 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 111,100 treated sewage of the first processing unit
In total nitrogen and total phosphorus, organic matter and total nitrogen in 200 treated sewage of second processing device, dephosphorization dehydration device 300 goes to decontaminate
Sewage after total phosphorus and excess sludge in water, second processing device 200 and dephosphorization dehydration device 300 are handled is discharged into filtering
In device 400, filtration apparatus 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 comprehensively《Water pollutant comprehensive discharge standard》Requirement.
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 and is transported to dephosphorization without phosphorus sludge, rich phosphorus clear liquid and takes off in the first processing unit 100
In water installations 300, no phosphorus sludge is transported in second processing device 200.
Meanwhile make the phosphorus removal functional of system no longer related to the discharge capacity of excess sludge using dephosphorization dehydration device 300, it is
The sludge yield of system is greatly reduced than traditional active sludge yield.
Further, filtration apparatus 400 is arranged to biological aerated filter.
Filtration apparatus 400 is arranged to biological aerated filter, plays the role of oil removal, while further goes to denitrogenate phosphorus
And organic matter.
Sewage-treatment plant provided in this embodiment, including：First processing unit 100, second processing device 200, dephosphorization
Dehydration device 300 and filtration apparatus 400；Inlet 111 is provided with the side wall of first processing unit 100, sewage passes through feed liquor
Mouth 111 is entered in the first processing unit 100, and the first processing unit 100 is used for total nitrogen and total phosphorus in treated sewage；Dephosphorization takes off
One end of water installations 300 is inserted in the first processing unit 100, to be connected with the first processing unit 100, dephosphorization dehydration device
300 are used to remove the total phosphorus and excess sludge in sewage；First processing unit 100 is connected with second processing device 200, and first
Sewage after the processing of processing unit 100 is had respectively entered in second processing device 200 and dephosphorization dehydration device 300, second processing
Device 200 is used for organic matter and total nitrogen in treated sewage；Second processing device 200 and dephosphorization dehydration device 300 with filtering
Device 400 connects, and filtration apparatus 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 treated sewages, and the sewage after processing is drained into second processing device 200 and dephosphorization dehydration device
In 300, organic matter and total nitrogen in 200 treated sewage of second processing device, dephosphorization dehydration device 300 remove the total phosphorus in sewage
And excess sludge, the sewage after second processing device 200 and dephosphorization dehydration device 300 are handled are discharged into filtration apparatus 400,
Filtration apparatus 400 further removes suspended matter, organic matter and nitrogen phosphorus in sewage, makes the water quality after the processing of filtration apparatus 400
It is better than comprehensively《Water pollutant comprehensive discharge standard》, it is dirty to alleviate 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 produced after sewage disposal, realizes and improves going for phosphor in sewage
Except rate, the less technique effect of the sludge quantity that is produced after sewage disposal.
On the basis of above-described embodiment, 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 arranged at the first processing unit
In 100, collection device 310 is used to collect rich the phosphorus clear liquid and sludge in the first processing unit 100 in sewage；Dephosphorization dewaterer
320 are connected by inlet tube and outlet tube with collection device 310 and filtration apparatus 400 respectively, and dephosphorization pump 330 is arranged at inlet tube
On, dephosphorization pump 330 is used to rich the phosphorus clear liquid and sludge in collection device 310 being transported in dephosphorization dewaterer 320, dephosphorization dehydration
Machine 320 is used to remove the total phosphorus and excess sludge in sewage, and the sewage after the processing of dephosphorization dewaterer 320 is entered by outlet tube
In filtration apparatus 400；The bottom of dephosphorization dewaterer 320 is provided with sludge outlet 340, and the sludge in dephosphorization dewaterer 320 leads to
Sludge outlet 340 is crossed to discharge.
Wherein, collection device 310 is arranged 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 by dephosphorization pump 330 by collection device 310
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 that the phosphate transfection in sewage is turned to precipitation by dosing, and makes to sink by loading magnetic kind
Shallow lake starts to be separated from water, so as 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 arranged on the side wall of anoxic pond 110, and sewage is entered in anoxic pond 110 by inlet 111, anoxic
Pond 110 is used to the ammonia nitrogen in sewage and nitrate nitrogen being converted into nitrogen, and the sewage after the processing of anoxic pond 110 enters anaerobic pond
In 120；Collection device 310 is arranged in anaerobic pond 120, and anaerobic pond 120 respectively with second processing device 200 and collection device
310 connect, and the sludge in anaerobic pond 120 in sewage fully 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 is entered in collection device 310, without phosphorus in anaerobic pond 120
Sludge is entered in second processing device 200.
Wherein, 110 main function of anoxic pond is that ammonia nitrogen and nitrate nitrogen are converted into nitrogen, while macromolecular in sewage is had
Machine thing is degraded to small organic molecule, and 120 main function of anaerobic pond is that sludge fully 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 arranged 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, the phosphorus in sewage is removed by dephosphorization dewaterer 320, and by sewage
Sludge settling is discharged by sludge outlet 340 in bottom；Ammonia nitrogen and nitrate nitrogen are converted into nitrogen, while handle by anaerobic pond 120
Larger molecular organics are degraded to small organic molecule in sewage, and sludge is fully discharged phosphorus, obtained by anaerobic pond 120 under anaerobic state
To rich phosphorus supernatant and without phosphorus sludge, rich phosphorus supernatant and entered without phosphorus sludge in dephosphorization dewaterer 320.
On the basis of above-described embodiment, 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 arranged at anaerobic pond 120 and filtration apparatus 400 it
Between, and aerobic tank 210 is connected with anaerobic pond 120, aerobic tank 210 is used for organic matter and total nitrogen in treated sewage；Clear liquid extracts
Device 220 is arranged in aerobic tank 210, and clear liquid extraction element 220 is connected with filtration apparatus 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 filtration apparatus 400.
Wherein, 210 main function of aerobic tank is degradation of organic substances, while is nitrate nitrogen mineralized nitrogen, and clear liquid extraction fills
The sludge put in 220 prevention sewage is entered in clear liquid extraction element 220, makes sludge retention among aerobic tank 210, so that clearly
Liquid extraction element 220 obtains sewage clear liquid, and sewage clear liquid is transported in filtration apparatus 400.
Further, sewage-treatment plant further includes return flow line 211；Aerobic tank 210 passes through return flow line 211 and anoxic
Pond 110 connects, 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 is back to anoxic pond again by return flow line 211
Among 110, it is not necessary to which mixed-liquor return into anoxic pond 110, is reduced the energy consumption of single unit system by extra power, more suitable
Preferably promote the use of.
Further, liquid outlet 410 is provided with the side wall of filtration apparatus 400；Liquid in filtration apparatus 400 after processing
Discharged by liquid outlet 410.
Wherein, the sewage after filtration apparatus 400 is handled is discharged by liquid outlet 410.
Water quality detecting device can be set on liquid outlet 410, detect the water quality for the sewage that liquid outlet 410 is discharged in real time, just
Detected in staff.
Further, sewage-treatment plant further includes regulating device 500；Regulating device 500 is arranged at the first processing unit
In 100, and regulating device 500 is connected with inlet 111, and regulating device 500 is used for the discharge of sewage for adjusting inlet 111.
Wherein, regulating device 500 is set in first processing unit 100, regulating device 500 adjust by inlet 111 into
Enter the sewage disposal matter for the discharge of sewage in the first processing unit 100, avoiding because the discharge of sewage is excessive, influencing single unit system
Amount.
Sewage-treatment plant provided in this embodiment, by the organic matter and total nitrogen in 210 treated sewage of aerobic tank, at the same time
The clear liquid in sewage is extracted using clear liquid extraction element 220, avoids sludge from entering in filtration apparatus 400；By at first
Manage and regulating device 500 is set in device 100, the flow of inlet 111 is adjusted easy to staff.
Sewage disposal system provided by the invention, including sewage-treatment plant.
Since the technique 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 embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. sewage-treatment plant, it is characterised in that including：First processing unit, second processing device, dephosphorization dehydration device And filtration apparatus；Inlet is provided with the side wall of first processing unit, sewage enters first processing unit by inlet Interior, first processing unit is used for total nitrogen and total phosphorus in treated sewage；One end of the dephosphorization dehydration device is inserted in first processing unit, to be connected with 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 connects, and the second processing device is used for organic matter and total nitrogen in treated sewage；The second processing device and the dephosphorization dehydration device are connected with the filtration apparatus, and the second processing device Entered in the filtration apparatus with the sewage after dephosphorization dehydration device processing, the filtration apparatus is used to remove sewage In suspended matter, organic matter and nitrogen phosphorus.
- 2. sewage-treatment plant according to claim 1, it is characterised in that the dephosphorization dehydration device, which includes collecting, to be filled Put, dephosphorization dewaterer and dephosphorization pump；The collection device is arranged in first processing unit, and the collection device is used to collect first processing unit Rich phosphorus clear liquid and sludge in interior sewage；The dephosphorization dewaterer is connected by inlet tube and outlet tube with the collection device and the filtration apparatus respectively, described Dephosphorization pump is arranged on the inlet tube, and the dephosphorization pump is used to rich the phosphorus clear liquid and sludge in the collection device being transported to In the dephosphorization dewaterer, the dephosphorization dewaterer is used to remove the total phosphorus and excess sludge in sewage, the dephosphorization dewaterer Sewage after processing is entered in the filtration apparatus 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, it is characterised in that first processing unit include anoxic pond and Anaerobic pond；The anoxic pond is connected with the anaerobic pond, and the inlet is arranged on the side wall of the anoxic pond, and sewage passes through institute State inlet to enter in the anoxic pond, the anoxic pond is used to the ammonia nitrogen in sewage and nitrate nitrogen being converted into nitrogen, institute The sewage after anoxic pond processing is stated to enter in the anaerobic pond；The collection device is arranged in the anaerobic pond, and the anaerobic pond respectively with the second processing device and the receipts Acquisition means connect, and the sludge in the anaerobic pond in sewage fully 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 without phosphorus sludge in the second processing device in pond.
- 4. sewage-treatment plant according to claim 3, it is characterised in that further include elevator pump；The anoxic pond is connected with the anaerobic pond by communicating pipe, and the elevator pump was arranged on the communicating pipe.
- 5. sewage-treatment plant according to claim 3, it is characterised in that the second processing device include aerobic tank and Clear liquid extraction element；The aerobic tank is arranged between the anaerobic pond and the filtration apparatus, and the aerobic tank connects with the anaerobic pond Logical, the aerobic tank is used for organic matter and total nitrogen in treated sewage；The clear liquid extraction element is arranged in the aerobic tank, and the clear liquid extraction element is connected with the filtration apparatus, 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 filtration apparatus.
- 6. sewage-treatment plant according to claim 5, it is characterised in that further include return flow line；The aerobic tank is connected by the return flow line with the anoxic pond, and the sewage sludge mixed liquor in the aerobic tank leads to The return flow line is crossed to enter in the anoxic pond.
- 7. sewage-treatment plant according to claim 1, it is characterised in that be provided with out on the side wall of the filtration apparatus Liquid mouth；Liquid in the filtration apparatus after processing is discharged by the liquid outlet.
- 8. sewage-treatment plant according to claim 6, it is characterised in that the filtration apparatus is arranged to aeration and biological filter Pond.
- 9. according to claim 1-8 any one of them sewage-treatment plants, it is characterised in that further include regulating device；The regulating device is arranged in first processing unit, and the regulating device is connected with the inlet, described Regulating device is used for the discharge of sewage for adjusting the inlet.
- 10. a kind of sewage disposal system, it is characterised in that including such as claim 1-9 any one of them sewage disposal system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032470.4A CN108002665A (en) | 2018-01-12 | 2018-01-12 | Sewage-treatment plant and sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112551802A (en) * | 2020-11-11 | 2021-03-26 | 安徽科技学院 | Energy-saving and environment-friendly sewage treatment device and method |
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