CN106315850A - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
- Publication number
- CN106315850A CN106315850A CN201610794084.XA CN201610794084A CN106315850A CN 106315850 A CN106315850 A CN 106315850A CN 201610794084 A CN201610794084 A CN 201610794084A CN 106315850 A CN106315850 A CN 106315850A
- Authority
- CN
- China
- Prior art keywords
- sewage
- disposal system
- backflow
- water pump
- sewage disposal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a sewage treatment system. The sewage treatment system comprises a reaction area, a sedimentation area, a water pump and a mixed liquid reflux device which are sequentially communicated, wherein the water pump is used for conveying sewage to the reaction area; the mixed liquid reflux device is used for conveying reflux liquid of the sedimentation area to the reaction area; the reflux liquid output end of the mixed liquid reflux device is communicated with the upstream end of the water pump, and the sewage and the reflux liquid are jointly conveyed to the reaction area through the water pump. The sewage treatment system has the advantages that due to the fact that the reflux liquid output end of the mixed liquid reflux device is communicated with the upstream end of the water pump, the pumping flow of the water pump during work comprises the sewage treatment quantity of the sewage treatment system and the flow of the reflux liquid in the mixed liquid reflux device, a draining device needs not to be mounted to drain redundant pumping flow, the sewage treatment system is simplified, the reflux liquid in the mixed liquid reflux device needs not to be conveyed through gas stripping, energy required the gas stripping is saved, and resource utilization rate is increased.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to a kind of sewage disposal system.
Background technology
In prior art, sewage disposal system is as follows for the processing mode of sewage: first sewage can be entered regulating reservoir
In, by the water quality and quantity of regulating reservoir regulation sewage, it is to avoid sewage disposal system is by waste water peak flow or concentration change
Impact；Then by connection regulating reservoir and the raw water pipe of anaerobic zone, utilize water pump to extract, the sewage in regulating reservoir is pumped
To anaerobic zone；Sewage passes sequentially through anaerobic zone, aerobic zone and the settling zone being interconnected, from settling zone after processing successively
Discharge；Wherein, to also need to return to anaerobic zone further for the mixed liquor of settling zone part nitrification liquid after precipitation and partial sludge
Circular treatment, therefore the modes such as air stripping can be utilized by the mixed liquor conveying pipe of connection settling zone and anaerobic zone, this part is mixed
Liquid is delivered to anaerobic zone and processes further.
And in the concrete application of sewage disposal system, such as user's day of single household, the most a few family or a section
The produced sewage disposal of often life, the specification that sewage disposal system is relatively more in the market have sewage load be 50 tons/
It and 100 ton day.Sewage pump in regulating reservoir is delivered to by the main mode using water pump extracting of water inlet in sewage disposal system
Anaerobic zone, and the water inlet immersible pump minimum gauge of existing market buying is 7-10m3(lift is 10-7m to/h, power 0.75kw/
H), for the sewage disposal system that current sewage load is 100 ton day, 50 ton day even treating capacity is lower, use above-mentioned
, still can there is the pump discharge of immersible pump more than the sewage disposal system treatable maximum of reality in the immersible pump that specification is minimum
Reason amount.
To this, sewage disposal system of the prior art is more than the actual institute of sewage disposal system for the pump discharge of water pump
The situation of treatable maximum throughput, typically can install discharge device at water delivery side of pump, let out the pump discharge of output
Flow in the regulating reservoir that the input with water pump connects, until with the actual treatable sewage disposal in sewage disposal system
Amount is consistent.But like this, it is impossible to sufficiently utilizing the pumpability of water pump, the utilization ratio of resource is the highest,
The discharge device simultaneously installed too increases the complexity of sewage disposal system.
Summary of the invention
It is desirable to provide a kind of sewage disposal system, to simplify sewage disposal system, and improve resource utilization.
For achieving the above object, the present invention provides a kind of sewage disposal system, including: the reaction zone being sequentially communicated and precipitation
District；Water pump, is used for sewage transport to reaction zone；Mixed-liquor return device, for being delivered to reaction by the backflow of settling zone
District；The backflow outfan of mixed-liquor return device connects with the upstream extremity of water pump, and sewage and backflow are the most defeated by water pump
Deliver to reaction zone.
Further, the sewage quantity distributing in water pump, and the adjusting means of backflow volume are also included.
Further, mixed-liquor return device includes: mixed liquor conveying pipe, its outfan connects with the upstream extremity of water pump；
Mixed liquor regulatory region, its one end connects with the input of mixed liquor conveying pipe, and the other end is for connecting with settling zone, for heavy
Backflow accumulating in the district of shallow lake；Mixed liquor riser, is promoted to mixed liquor regulatory region for realization by the backflow in settling zone.
Further, adjusting means includes being arranged on the mixed liquor upper control valve controlling backflow flow of conveying pipe.
Further, adjusting means also includes the effusion meter being arranged on mixed liquor conveying pipe.
Further, sewage disposal system also includes: regulating reservoir, enters water quality and the water of reaction zone for regulating sewage
Amount；Raw water pipe, connects regulating reservoir with the upstream extremity of water pump.
Further, the outfan of mixed liquor conveying pipe connects with raw water pipe, and water pump is self priming pump.
Further, sewage disposal system also includes: mixing pit, and mixing pit is defeated with raw water pipe and mixed liquor respectively
Pipe is sent to connect, after the mixed liquor after the sewage in raw water pipe and mixed liquor are carried pipe backflow mixes, through water
Transport pump is to reaction zone.
Further, water pump is the immersible pump being arranged in mixing pit.
Further, reaction zone is the anaerobic zone and aerobic zone being sequentially communicated.
Further, backflow is the mixed liquor of part nitrification liquid and partial sludge.
Technical solution of the present invention, has the advantage that
1. in the sewage disposal system that the present invention provides, by by the backflow outfan of mixed-liquor return device and water pump
Upstream extremity connection, during such pump working, the pump discharge of water pump include sewage load in sewage disposal system and
The flow of backflow in mixed-liquor return device, the pump discharge i.e. exceeded can be used for returning of backflow in mixed-liquor return device
Stream, thus without installing discharge device to unnecessary pump discharge earial drainage, simplifying sewage disposal system while, mixed-liquor return
The backflow of the backflow in device, without using stripping regime to carry, saves the energy required for air stripping, improves
Resource utilization.
2. in the sewage disposal system that the present invention provides, by arranging adjusting means in sewage disposal system, to entrance
Sewage quantity and backflow volume in water pump are allocated, such that it is able to according to the disposal ability of sewage disposal system, make sewage
Processing system is in the duty of best resource utilization rate, saves the energy.
3., in the sewage disposal system that the present invention provides, adjusting means includes being arranged on and controls backflow on mixed liquor conveying pipe
The control valve of flow quantity, adjusting means is by flowing into the backflow of water pump upstream extremity in control valve regulation mixed-liquor return device
Flow, it is achieved to the sewage quantity entered in water pump and the distribution of backflow volume.
4. in the sewage disposal system that the present invention provides, by arranging effusion meter in mixed liquor conveying pipe, such that it is able to
The situation of the flow of backflow in display and understanding mixed-liquor return device, in conjunction with for backflow in mixed-liquor return device
The control valve that is controlled of flow, and the pump output of water pump and the treating capacity of sewage disposal system, facilitate adjusting means to enter
Row regulation makes sewage disposal system be in the duty of best resource utilization rate.
5., in the sewage disposal system that the present invention provides, mixed-liquor return device includes mixed liquor regulatory region to from heavy
The backflow that shallow lake district flows into carries out accumulating, such that it is able to the flow of regulation backflow, backflow is flowed back into row buffering, it is to avoid
By the impact of backflow peak flow, sewage disposal system is had a negative impact during backflow backflow.
6., in the sewage disposal system that the present invention provides, set by carrying pipe junction at raw water pipe and mixed liquor
Put mixing pit, be used for entering the sewage of described reaction zone and being mixed by the mixed liquor after the backflow of mixed-liquor return pipe,
When avoiding mixed liquor to enter reaction zone, reaction zone is produced impact load, improves effluent quality.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the plan structure schematic diagram of the sewage disposal system of the embodiment of the present invention；
Fig. 2 is the main TV structure schematic diagram of sewage disposal system shown in Fig. 1.
Wherein, the reference in above-mentioned accompanying drawing is:
1-regulating reservoir；2-raw water pipe；3-water pump；4-anaerobic zone；5-aerobic zone；6-mixed liquor regulatory region；7-precipitates
District；8-mixed liquor riser；9-control valve；10-effusion meter；11-mixed liquor conveying pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
As depicted in figs. 1 and 2, according to embodiments of the present invention in sewage disposal system include: the reaction zone being sequentially communicated
And settling zone 7, reaction zone is specially anaerobic zone 4, aerobic zone 5；Water pump, is used for sewage transport to reaction zone；Mixed liquor returns
Stream device, for the backflow of settling zone 7 is delivered to reaction zone, backflow is specially settling zone 7 in embodiments of the present invention
In part nitrification liquid and the mixed liquor of partial sludge, wherein, the backflow outfan of the mixed-liquor return device in the present invention
Connecting with the upstream extremity of water pump, sewage is together delivered to reaction zone with backflow by water pump 3.Thus the dirt provided in the present invention
In water treatment system, by the backflow outfan of mixed-liquor return device is connected with the upstream extremity of water pump, such plugman
When making, the pump discharge of water pump includes backflow in the sewage load in sewage disposal system and mixed-liquor return device
Flow, the pump discharge i.e. exceeded can be used for the backflow of backflow in mixed-liquor return device, thus without installing discharge device
To unnecessary pump discharge earial drainage, simplifying sewage disposal system simultaneously, the backflow of the backflow in mixed-liquor return device is also
Without using stripping regime to carry, save the energy required for air stripping, improve resource utilization.
As it is shown in figure 1, the sewage disposal system in the embodiment of the present invention also includes regulating reservoir 1, for entering at sewage
The sewage of reason system carries out accumulating and the water quality of regulation sewage entrance reaction zone and the water yield；Raw water pipe 2, can be according to sewage
The needs of processing system, can be by the sewage transport in regulating reservoir 1 to reaction zone, particular by by regulating reservoir 1 and water pump 3
Upstream extremity connects.Utilize water pump 3 by the sewage transport in regulating reservoir 1 to reaction zone.
With further reference to Fig. 1, in embodiment of the present invention sewage disposal system mixed-liquor return device, its bag
Including: mixed liquor conveying pipe 11, the outfan of mixed liquor conveying pipe 11 connects with the upstream extremity of water pump 3；Mixed liquor regulatory region 6, mixed
The input of one end and mixed liquor conveying pipe 11 of closing liquid regulatory region 6 connects, and the other end is for connecting with settling zone 7, for right
Backflow accumulating in settling zone 7；Mixed liquor riser 8, is promoted to mixed liquor for realization by the backflow in settling zone 7 and adjusts
Joint district 6.By centering mixed liquor regulatory region 6 at mixed-liquor return dress, the backflow in settling zone 7 is carried out accumulating, from
And the flow of backflow can be regulated, backflow is flowed back into row buffering, it is to avoid affected by backflow peak flow.
Preferably, the sewage disposal system in the embodiment of the present invention also includes: distribute into the sewage quantity in water pump 3 and
The adjusting means of backflow volume.So by the sewage quantity entered in water pump 3 and backflow volume are allocated, can basis
The disposal ability of sewage disposal system, makes sewage disposal system be in the duty of best resource utilization rate, saves the energy.
Specifically, the adjusting means in the embodiment of the present invention includes being arranged on control reflux stream on mixed liquor conveying pipe 11
The control valve 9 of amount.Adjusting means regulates the backflow of inflow water pump 3 upstream extremity in mixed-liquor return device by control valve 9
Flow, it is achieved to the sewage quantity entered in water pump 3 and the distribution of backflow volume.
Preferably, the adjusting means in the embodiment of the present invention also includes the effusion meter being arranged on mixed liquor conveying pipe 11
10.By arranging effusion meter 10 in mixed liquor conveying pipe 11, such that it is able to display and understanding mixed-liquor return device reflux
The situation of the flow of liquid, in conjunction with the control valve 9, Yi Jishui for being controlled the flow of backflow in mixed-liquor return device
The pump output of pump 3 and the treating capacity of sewage disposal system, facilitate adjusting means to be adjusted making sewage disposal system be in most preferably
The duty of resource utilization.
Specifically, the outfan of the mixed liquor conveying pipe 11 in the embodiment of the present invention specifically connects with raw water pipe 2,
Raw water pipe 2 includes carrying transverse tube and conveying vertical tube, and water pump 3 is the self priming pump being arranged on raw water pipe 2, to be mixed
Liquid carries the backflow in pipe 11 with the sewage in raw water pipe 2 after conveying transverse tube and conveying vertical tube mix, by certainly
Sucking pump is pumped in reaction tank carry out follow-up process.
Preferably, the sewage disposal system in the embodiment of the present invention also includes mixing pit (not shown), mixing pit respectively with
Raw water pipe 2 and mixed liquor conveying pipe 11 connect, and for connect with reaction zone, for enter the sewage of reaction zone with
Mixed liquor after being refluxed by mixed-liquor return pipe is mixed.By carrying pipe 11 even at raw water pipe 2 and mixed liquor
The place of connecing arranges mixing pit, for entering the sewage of described reaction zone and being carried out by the mixed liquor after the backflow of mixed-liquor return pipe
Mixing, it is to avoid when mixed liquor enters reaction zone, reaction zone is produced impact load, improves effluent quality.Certainly, mixed except using
Close pond to entering the sewage of reaction zone and being mixed by the mixed liquor after the backflow of mixed-liquor return pipe, it is also possible to be at Yuan Shui
Conveying pipe 2 and mixed liquor conveying pipe 11 connectivity part arrange pipe-line mixer, are capable of above-mentioned reduction impact load equally
Purpose.
In a not shown embodiment, corresponding sewerage includes the scheme of mixing pit, and the water pump in this embodiment is permissible
For the immersible pump being arranged in mixing pit, it is capable of goal of the invention equally.
Below in conjunction with Fig. 1 and Fig. 2, the operation principle of sewage disposal system in the embodiment of the present invention is illustrated.
On the one hand entering the sewage in regulating reservoir 1 can pass through raw water pipe 2, utilizes water pump 3 to extract, by regulating reservoir 1
Sewage pump 3 deliver to anaerobic zone 4；Sewage passes sequentially through anaerobic zone 4, aerobic zone 5 and the settling zone 7 being interconnected, and enters successively
Row is discharged from settling zone 7 after processing.On the other hand, mixed liquor riser 8 stretches into settling zone 7 and collects in mud tipping bucket, extracting precipitation
Part nitrification liquid and partial sludge in district 7 enter mixed liquor regulatory region 6；Enter the mixed liquor of mixed liquor regulatory region 6 by same
Time mixed liquor conveying pipe 11 turn on the upstream extremity of water pump 3, regulation control valve 9 is set on mixed liquor conveying pipe 11 simultaneously,
For controlling mixed-liquor return amount, mixed liquor conveying pipe 11 arranges effusion meter 10, is used for showing mixed-liquor return amount.At water
After pump 3 starts, the backflow that raw water pipe 2 sewage and mixed liquor carry in pipe 11 is stripped, now, in regulating reservoir 1
Backflow in sewage and mixed liquor regulatory region 6 extracts to anaerobic zone 4, then in anaerobic zone 4, aerobic zone 5 and settling zone 7 enter
The process that row is follow-up.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (11)
1. a sewage disposal system, including:
The reaction zone being sequentially communicated and settling zone (7)；
Water pump (3), for by sewage transport to described reaction zone；
Mixed-liquor return device, for being delivered to described reaction zone by the backflow of described settling zone (7)；
It is characterized in that, the backflow outfan of described mixed-liquor return device connects with the upstream extremity of described water pump (3), sewage
Described reaction zone together it is delivered to by described water pump (3) with backflow.
Sewage disposal system the most according to claim 1, it is characterised in that also include distributing in described water pump (3)
Sewage quantity, and the adjusting means of backflow volume.
Sewage disposal system the most according to claim 2, it is characterised in that described mixed-liquor return device includes:
Mixed liquor conveying pipe (11), its outfan connects with the upstream extremity of described water pump (3)；
Mixed liquor regulatory region (6), its one end connects with the input of mixed liquor conveying pipe (11), and the other end is used for and described precipitation
District (7) connects, for the described backflow accumulating in described settling zone (7)；
Mixed liquor riser (8), is promoted to described mixed liquor for realization by the described backflow in described settling zone (7) and regulates
District (6).
Sewage disposal system the most according to claim 3, it is characterised in that described adjusting means includes being arranged on described mixing
Close the upper control valve (9) controlling backflow flow of liquid conveying pipe (11).
Sewage disposal system the most according to claim 4, it is characterised in that described adjusting means also includes being arranged on described
Effusion meter (10) on mixed liquor conveying pipe (11).
6. according to the sewage disposal system according to any one of claim 3 to 5, it is characterised in that described sewage disposal system
Also include:
Regulating reservoir (1), enters water quality and the water yield of described reaction zone for regulating sewage；
Raw water pipe (2), connects the upstream extremity of described regulating reservoir (1) with described water pump (3).
Sewage disposal system the most according to claim 6, it is characterised in that the outfan of described mixed liquor conveying pipe (11)
Connecting with described raw water pipe (2), described water pump (3) is self priming pump.
Sewage disposal system the most according to claim 6, it is characterised in that described sewage disposal system also includes:
Mixing pit, described mixing pit carries pipe (11) with described raw water pipe (2) and mixed liquor respectively and connects, for by institute
State the sewage in raw water pipe (2) and described mixed liquor conveying pipe (11) backflow after mixed liquor mix after, through described
Water pump (3) is delivered to described reaction zone.
Sewage disposal system the most according to claim 8, it is characterised in that described water pump (3) is for being arranged on described mixing
Immersible pump in pond.
Sewage disposal system the most according to any one of claim 1 to 5, it is characterised in that described reaction zone is successively
The anaerobic zone (4) of connection and aerobic zone (5).
11. sewage disposal systems according to any one of claim 1 to 5, described backflow is part nitrification liquid and portion
Divide the mixed liquor of mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794084.XA CN106315850A (en) | 2016-08-31 | 2016-08-31 | Sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794084.XA CN106315850A (en) | 2016-08-31 | 2016-08-31 | Sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106315850A true CN106315850A (en) | 2017-01-11 |
Family
ID=57786363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610794084.XA Pending CN106315850A (en) | 2016-08-31 | 2016-08-31 | Sewage treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106315850A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190398A (en) * | 2010-03-12 | 2011-09-21 | 上海宝钢化工有限公司 | Coking wastewater treatment method |
| CN203630652U (en) * | 2013-12-23 | 2014-06-04 | 北京伊普国际水务有限公司 | Control system for reflux quantity of AAO sewage dephosphorization and denitrification process |
| CN204211608U (en) * | 2014-11-04 | 2015-03-18 | 广州市益诺欧环保有限公司 | A kind of Sewage treatment systems |
| CN105293704A (en) * | 2015-12-09 | 2016-02-03 | 华仪环保有限公司 | Integrated sewage treatment device |
| CN205999183U (en) * | 2016-08-31 | 2017-03-08 | 华仪环保有限公司 | Sewage disposal system |
-
2016
- 2016-08-31 CN CN201610794084.XA patent/CN106315850A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190398A (en) * | 2010-03-12 | 2011-09-21 | 上海宝钢化工有限公司 | Coking wastewater treatment method |
| CN203630652U (en) * | 2013-12-23 | 2014-06-04 | 北京伊普国际水务有限公司 | Control system for reflux quantity of AAO sewage dephosphorization and denitrification process |
| CN204211608U (en) * | 2014-11-04 | 2015-03-18 | 广州市益诺欧环保有限公司 | A kind of Sewage treatment systems |
| CN105293704A (en) * | 2015-12-09 | 2016-02-03 | 华仪环保有限公司 | Integrated sewage treatment device |
| CN205999183U (en) * | 2016-08-31 | 2017-03-08 | 华仪环保有限公司 | Sewage disposal system |
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Application publication date: 20170111 |
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