CN107686217A - A kind of sewage-treatment plant - Google Patents
A kind of sewage-treatment plant Download PDFInfo
- Publication number
- CN107686217A CN107686217A CN201710952555.XA CN201710952555A CN107686217A CN 107686217 A CN107686217 A CN 107686217A CN 201710952555 A CN201710952555 A CN 201710952555A CN 107686217 A CN107686217 A CN 107686217A
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- Prior art keywords
- sewage
- pond
- aerobic
- anaerobic
- reflux
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- 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
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a kind of sewage-treatment plant, it is related to sewage treatment area.Sewage-treatment plant may include anaerobic pond, Aerobic Pond and membrane separation device in general manner.Anaerobic pond is used to carry out Anaerobic Treatment to sewage；Aerobic Pond is connected with the anaerobic pond, and Aerobic Process for Treatment is carried out to the sewage after Anaerobic Treatment.Membrane separation device is connected with Aerobic Pond, for the sewage after Aerobic Process for Treatment to be carried out into membrane filtration.The first reflux is provided between anaerobic pond and Aerobic Pond, the second reflux is provided between separator and Aerobic Pond.First reflux is used to the part of contaminated water in Aerobic Pond being transported to anaerobic pond, and the second reflux is used to the part of contaminated water in membrane separation device being transported to Aerobic Pond.The sewage-treatment plant of the present invention improves sewage treating efficiency, makes the sewage disposal of sewage disposal system more thorough in the case where membrane separation device is not stopped, and reduces the cost of processing sewage.
Description
Technical field
The present invention relates to sewage treatment area, more particularly to a kind of sewage-treatment plant.
Background technology
At present, in technical field of sewage, activated sludge is widely used to carry out the processing of waste water.Activated sludge is micro-
Biocenose and organic substance and the general name of inorganic substances that they are depended on, activated sludge can be divided into aerobic activated sludge and detest
Oxygen seed activity sludge, activated sludge are mainly used to handle sewage.Needs can be produced using Sewage Treatment for Activated Sludge to discharge
Sludge, and due to containing the materials such as large amount of organic, ammonia nitrogen, phosphorus, heavy metal, and moisture therein in the sludge of discharge
It is high so that the sludge of discharge is merely able to be burned, landfill disposal, the costs of these processing methods is higher, sludge storage and
Transport inconvenience, and the pollution of soil and water body is easily caused, this causes be treated as in sewage disposal system the one of sludge
Big urgent problem to be solved.
The content of the invention
It is an object of the present invention to provide a kind of sewage-treatment plant, improves sewage treating efficiency, makes sewage disposal system
The sewage disposal of system is more thorough, reduces the cost of processing sewage.
Especially, the invention provides a kind of sewage-treatment plant, for handling the discharges such as herding, food, chemical plant
Sewage nitrogenous, phosphorus amount is high, including：
Anaerobic pond, Anaerobic Treatment is carried out to the sewage；
Aerobic Pond, it is connected with the anaerobic pond, Aerobic Process for Treatment is carried out to the sewage after Anaerobic Treatment；With
Membrane separation device, it is connected with the Aerobic Pond, for the sewage after Aerobic Process for Treatment to be carried out into film mistake
Filter；
Wherein, it is provided with the first reflux between the anaerobic pond and the Aerobic Pond, the separator and described good
The second reflux is provided between oxygen pond, first reflux is used to transport in the part sewage in the Aerobic Pond
To the anaerobic pond, second reflux is described good for the part sewage in the membrane separation device to be transported to
Oxygen pond.
Further, in addition to detection unit, the detection unit include being used to detect sewage described in the anaerobic pond
Concentration the first detection unit and the second detection unit for detecting the concentration of sewage described in the Aerobic Pond.
Further, in addition to control unit, for control first reflux by the Aerobic Pond at least
The part sewage is transported to the anaerobic pond.
Further, when the concentration of wastewater in the Aerobic Pond is not up to preset concentration in preset time, institute
Stating control unit controls first reflux that at least part sewage in the Aerobic Pond is transported into the anaerobism
Pond carries out Anaerobic Treatment.
Further, first reflux is circulating pump.
Further, second reflux is overflow mechanism, i.e., when described membrane separation device reaches certain capacity, institute
State sewage and be back to the Aerobic Pond from the membrane separation device.
Further, the Aerobic Pond, the anaerobic pond and the membrane separation device are variable capacity device.
Further, the Aerobic Pond and the anaerobic pond are provided with submersible agitator.
Further, in addition to air pump and the aeration tube for being passed through air to the Aerobic Pond, the one of the aeration tube
End is connected with the air pump, and the other end of the aeration tube is arranged in the Aerobic Pond.
Further, in addition to the grid for filter sewage, the grid connect with the anaerobic pond, and sewage passes through institute
State grid and enter the anaerobic pond.
The sewage-treatment plant of the present invention, because anaerobic pond and Aerobic Pond are separately independently arranged, the anaerobic pond and described
The first reflux is provided between Aerobic Pond, first reflux is used to transport in the part sewage in the Aerobic Pond
The anaerobic pond is delivered to, therefore, in the case where membrane separation device is not stopped, sewage treating efficiency is improved, makes at sewage
The sewage disposal of reason system is more thorough, reduces the cost of processing sewage.
Further, sewage-treatment plant of the invention also includes detection unit and control unit, can monitor dirt in real time
The concentration of water, control unit control the opening and closing of the first reflux according to monitoring information in real time, further improve sewage disposal effect
Rate.
Further, the Aerobic Pond in sewage-treatment plant of the invention, the anaerobic pond and UF membrane dress
It is variable capacity device to put, and can be changed accordingly according to the amount for the sewage that need to be handled, and reduces processing time.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic apparatus figure of sewage-treatment plant according to an embodiment of the invention.
Reference is in figure：
1- anaerobic ponds, 2- Aerobic Ponds, 3- membrane separation devices, the refluxes of 4- first, the refluxes of 5- second, 6- divings stir
Mix device, 7- air pumps, 8- aeration tubes.
Embodiment
Fig. 1 is the schematic apparatus figure of sewage-treatment plant according to an embodiment of the invention.As shown in figure 1, sewage
Processing unit may include anaerobic pond 1, Aerobic Pond 2 and membrane separation device 3 in general manner.Anaerobic pond 1 is used to carry out anaerobism to sewage
Processing；Aerobic Pond 2 is connected with the anaerobic pond 1, and Aerobic Process for Treatment is carried out to the sewage after Anaerobic Treatment.Membrane separation device
3 are connected with Aerobic Pond 2, for the sewage after Aerobic Process for Treatment to be carried out into membrane filtration.Set between anaerobic pond 1 and Aerobic Pond 2
There is the first reflux 4, the second reflux 5 is provided between separator and Aerobic Pond 2.First reflux 4 is used for will be well
Part of contaminated water in oxygen pond 2 is transported to anaerobic pond 1, and the second reflux 5 is used to transport the part of contaminated water in membrane separation device 3
To Aerobic Pond 2.
The sewage-treatment plant of the present invention, because anaerobic pond 1 and Aerobic Pond 2 are separately independently arranged, the anaerobic pond 1 and institute
State and the first reflux 4 is provided between Aerobic Pond 2, first reflux 4 is used for described in the part in the Aerobic Pond 2
Sewage is transported to the anaerobic pond 1, therefore, in the case where membrane separation device 3 is not stopped, improves sewage treating efficiency,
Make the sewage disposal of sewage disposal system more thorough, reduce the cost of processing sewage.
In one embodiment of the invention, sewage-treatment plant also includes detection unit, and detection unit includes being used to examine
It is single to survey the first detection unit of the concentration of sewage and the second detection for detecting the concentration of sewage in Aerobic Pond 2 in anaerobic pond 1
Member.Sewage-treatment plant can also include control unit.Control unit is used to control the first reflux 4 by Aerobic Pond 2
At least part sewage is transported to anaerobic pond 1.When the concentration of wastewater in the Aerobic Pond 2 is not up to preset in preset time
During concentration, at least part sewage in Aerobic Pond 2 is transported to anaerobic pond 1 by control unit the first reflux 4 of control to be detested
Oxygen processing.Preferably, the first reflux 4 is circulating pump.Second reflux 5 is overflow mechanism, i.e. membrane separation device 3 reaches
During certain capacity, sewage is back to Aerobic Pond 2 from membrane separation device 3.
The sewage-treatment plant of the present invention also includes detection unit and control unit, can monitor the concentration of sewage in real time,
Control unit controls the opening and closing of the first reflux 4 according to monitoring information in real time, further improves sewage treating efficiency.
In another embodiment of the invention, the Aerobic Pond 2, the anaerobic pond 1 and the membrane separation device 3 are to hold
Product variset, can be changed accordingly according to the amount for the sewage that need to be handled, and reduce processing time.
Further, the Aerobic Pond 2 and the anaerobic pond 1 are provided with submersible agitator 6.In Aerobic Pond 2 sewage with
Activated sludge is sufficiently mixed the contact that aerobic bacteria can be promoted with various poisonous, harmful organic substances.Therefore, can be aerobic
Agitator is set in pond 2, for example, submersible agitator 6, the one side of submersible agitator 6 can improve dissolved oxygen amount to a certain extent；
On the other hand, solid-liquid can be promoted to mix by stirring, plays a part of homogeneous.
Sewage-treatment plant also includes air pump 7 and the aeration tube 8 for being passed through air to the Aerobic Pond 2, the aeration
One end of pipe 8 is connected with the air pump 7, and the other end of the aeration tube 8 is arranged in the Aerobic Pond 2.When need to be to Aerobic Pond 2
During middle input air, aeration tube 8 is connected with the source of the gas in the external world, for example, air blower, air pump 7.It is aerobic due to Aerobic Pond 2
Amount is related according to the amount of sewage and the pollution level of sewage, therefore, it is necessary to the input quantity of air is controlled.Thus, it is dirty
Air pump 7 is connected by water treatment system using air valve with aeration tube 8, is controlled whether air inputs by air valve, is avoided equipment
Transition loss.It is preferred that monitoring the input quantity of air using flowmeter, make the input quantity of air more accurate.
In other embodiments, sewage-treatment plant also includes the grid for filter sewage, and the grid is detested with described
Oxygen pond 1 connects, and sewage enters the anaerobic pond 1 by the grid., can in water body because the source of municipal sewage is more complicated
Can there are substantial amounts of suspension or solid sediment, the presence of these materials easily causes the blocking of various pipelines, the pump housing, shadow
Ring the normal processing of sewage.Based on above-mentioned remote, sewage disposal system also includes the filter element for filter sewage.Filtering
Unit connects with anaerobic pond 1, and sewage enters anaerobic pond 1 by filter element.In the present embodiment, filter element uses grid, lattice
Grid include framework and multigroup metal grizzly bar continuously set, metal grizzly bar are connected with framework, metal gate bar shaped waviness structure.
Grid is obliquely positioned over the entrance of sewage.Metal grizzly bar cyclically rotates, the flow direction of its rotation direction and sewage on the contrary,
Counter-rotational metal grizzly bar takes away the suspension in water body, solid matter, so as to reduce suspension and the solid matter in water body.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of sewage-treatment plant, for handling nitrogenous, the sewage that phosphorus amount is high of the discharges such as herding, food, chemical plant, bag
Include：
Anaerobic pond, Anaerobic Treatment is carried out to the sewage；
Aerobic Pond, it is connected with the anaerobic pond, Aerobic Process for Treatment is carried out to the sewage after Anaerobic Treatment；With
Membrane separation device, it is connected with the Aerobic Pond, for the sewage after Aerobic Process for Treatment to be carried out into membrane filtration；
Wherein, the first reflux, the separator and the Aerobic Pond are provided between the anaerobic pond and the Aerobic Pond
Between be provided with the second reflux, first reflux is used to the part sewage in the Aerobic Pond being transported to institute
Anaerobic pond is stated, second reflux is described aerobic for the part sewage in the membrane separation device to be transported to
Pond.
2. sewage-treatment plant according to claim 1, it is characterised in that also including detection unit, the detection unit
Including for detecting the first detection unit of the concentration of sewage described in the anaerobic pond and for detecting institute in the Aerobic Pond
State the second detection unit of the concentration of sewage.
3. sewage-treatment plant according to claim 1, it is characterised in that described for controlling also including control unit
At least part sewage in the Aerobic Pond is transported to the anaerobic pond by the first reflux.
4. sewage-treatment plant according to claim 1, it is characterised in that when the concentration of wastewater in the Aerobic Pond
When preset concentration is not up in preset time, described control unit controls first reflux by the Aerobic Pond
At least partly described sewage is transported to the anaerobic pond and carries out Anaerobic Treatment.
5. sewage-treatment plant according to claim 1, it is characterised in that first reflux is circulating pump.
6. sewage-treatment plant according to claim 1, it is characterised in that second reflux is overflow mechanism,
When i.e. described membrane separation device reaches certain capacity, the sewage is back to the Aerobic Pond from the membrane separation device.
7. sewage-treatment plant according to claim 1, it is characterised in that the Aerobic Pond, the anaerobic pond and described
Membrane separation device is variable capacity device.
8. sewage-treatment plant according to claim 1, it is characterised in that the Aerobic Pond and the anaerobic pond are respectively provided with
There is submersible agitator.
9. sewage-treatment plant according to claim 1, it is characterised in that also including air pump and for the Aerobic Pond
The aeration tube of air is passed through, one end of the aeration tube is connected with the air pump, and the other end of the aeration tube is arranged at described
In Aerobic Pond.
10. sewage-treatment plant according to claim 1, it is characterised in that also include the grid for filter sewage, institute
State grid to connect with the anaerobic pond, sewage enters the anaerobic pond by the grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952555.XA CN107686217A (en) | 2017-10-13 | 2017-10-13 | A kind of sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952555.XA CN107686217A (en) | 2017-10-13 | 2017-10-13 | A kind of sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107686217A true CN107686217A (en) | 2018-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952555.XA Pending CN107686217A (en) | 2017-10-13 | 2017-10-13 | A kind of sewage-treatment plant |
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| CN (1) | CN107686217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125395A (en) * | 2020-10-21 | 2020-12-25 | 重庆耐德环境技术有限公司 | Sewage treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0985298A (en) * | 1995-09-25 | 1997-03-31 | Ebara Corp | Method for decreasing quantity of organic sludge |
| CN101289254A (en) * | 2008-06-10 | 2008-10-22 | 天津大学 | A Membrane Bioreactor Sewage Treatment Process with Enhanced Nitrogen Removal Effect |
| CN103803711A (en) * | 2012-11-14 | 2014-05-21 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for treating ammonia-nitrogen wastewater by using immobilized microorganism |
| CN205773629U (en) * | 2016-05-16 | 2016-12-07 | 西安容达环保有限公司 | A kind of high ammonia nitrogen sewage treatment unit |
-
2017
- 2017-10-13 CN CN201710952555.XA patent/CN107686217A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0985298A (en) * | 1995-09-25 | 1997-03-31 | Ebara Corp | Method for decreasing quantity of organic sludge |
| CN101289254A (en) * | 2008-06-10 | 2008-10-22 | 天津大学 | A Membrane Bioreactor Sewage Treatment Process with Enhanced Nitrogen Removal Effect |
| CN103803711A (en) * | 2012-11-14 | 2014-05-21 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for treating ammonia-nitrogen wastewater by using immobilized microorganism |
| CN205773629U (en) * | 2016-05-16 | 2016-12-07 | 西安容达环保有限公司 | A kind of high ammonia nitrogen sewage treatment unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125395A (en) * | 2020-10-21 | 2020-12-25 | 重庆耐德环境技术有限公司 | Sewage treatment device |
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Application publication date: 20180213 |