CN110436700A - Sewage water treatment method and device - Google Patents
Sewage water treatment method and device Download PDFInfo
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- CN110436700A CN110436700A CN201910616170.5A CN201910616170A CN110436700A CN 110436700 A CN110436700 A CN 110436700A CN 201910616170 A CN201910616170 A CN 201910616170A CN 110436700 A CN110436700 A CN 110436700A
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- 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
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of sewage water treatment method and device, sewage water treatment method includes: to carry out pH value adjusting to treatment sewage；First flow control is carried out to the treatment sewage after progress pH value adjusting；Precipitation process is carried out to the treatment sewage after progress first flow control；Second flow control is carried out to the treatment sewage after progress precipitation process；Multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control；The nitrogen content in the treatment sewage after multi-stage biological aoxidizes is detected, if the nitrogen content in the treatment sewage after multi-stage biological oxidation is less than default nitrogen content, it is determined that sewage treatment is completed.Sewage water treatment method and device provided by the invention can be effectively reduced the total nitrogen content in sewage.
Description
Technical field
The invention belongs to technical field of sewage, are to be related to a kind of sewage water treatment method and device more specifically.
Background technique
During city industrialization, there are Some Enterprises to discharge to river waste discharge, especially part industrial and mining enterprises
Sewage in there are various heavies such as copper, zinc, nickel, lead to heavy metals exceeding standard in river bottom mud.On the other hand, urban life is dirty
The row of stealing of water, leads in bed mud that there are a large amount of organic matter, ammonia-nitrogen contents with higher.To lake dredging bottom-mud treatment process
In, it can be generated with sewage, there are a large amount of heavy metal ion, suspended matter, ammonia nitrogen in sewage, and sewage pH value (PH,
Pondus Hydrogeni) it fluctuates greatly, direct emission brings pollution to environment.Existing sewage water treatment method is using bioanalysis
It is handled, and the fluctuation of the sewage pH value of lake dredging bottom-mud is big, heavy metal ion therein, suspended matter, ammonia nitrogen phase interaction
With the processing of interference microorganism, total nitrogen content in Dredged bed mud sewage is caused to be difficult to decrease.
Summary of the invention
The purpose of the present invention is to provide a kind of sewage water treatment method and device, with solve it is existing in the prior art how
The technical issues of reducing total nitrogen content in sewage.
To achieve the above object, the embodiment of the present invention in a first aspect, providing a kind of sewage water treatment method, comprising:
PH value adjusting is carried out to treatment sewage；
First flow control is carried out to the treatment sewage after progress pH value adjusting；
Precipitation process is carried out to the treatment sewage after progress first flow control；
Second flow control is carried out to the treatment sewage after progress precipitation process；
Multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control；
The nitrogen content in treatment sewage after detecting multi-stage biological oxidation, if the treatment sewage after multi-stage biological oxidation
In nitrogen content be less than default nitrogen content, it is determined that sewage treatment is completed.
Optionally, pH value adjusting is carried out to treatment sewage, comprising:
Detect the current pH value for the treatment of sewage；
If the current pH value for the treatment of sewage is not within the scope of default pH value, by acid-base solution to dirt to be processed
The pH value of water is adjusted.
Optionally, it is adjusted by pH value of the acid-base solution to treatment sewage, comprising:
The default spray concentration and fountain height of acid-base solution are determined according to the current pH value for the treatment of sewage；
The pH value for the treatment of sewage is adjusted based on default spray concentration and fountain height.
Optionally, multi-stage biological oxidation includes anaerobic oxidation, is carried out to the treatment sewage after progress second flow control
Multi-stage biological oxidation, comprising:
Anaerobic denitrifying denitrogenation processing is carried out to the treatment sewage after progress second flow control.
Optionally, multi-stage biological oxidation further include aerobic oxidation, to carry out second flow control after treatment sewage into
The oxidation of row multi-stage biological, comprising:
The processing of aerobic nitrification ammonia nitrogen removal is carried out to the treatment sewage after progress second flow control.
Optionally, the first control flow in first flow control is less than the second control flow in second flow control.
The second aspect of the embodiment of the present invention provides a kind of sewage-treatment plant, comprising:
PH value adjustment module, for carrying out pH value adjusting to treatment sewage；
First flow control module, for carrying out first flow control to the treatment sewage after progress pH value adjusting；
Precipitation process module, for carrying out precipitation process to the treatment sewage after progress first flow control；
Second flow control module, for carrying out second flow control to the treatment sewage after progress precipitation process；
Biological oxidation module, for carrying out multi-stage biological oxidation to the treatment sewage after progress second flow control；
Nitrogen content detection module, for detecting the nitrogen content in the treatment sewage after multi-stage biological aoxidizes, if multistage raw
The nitrogen content in treatment sewage after object oxidation is less than default nitrogen content, it is determined that sewage treatment is completed.
Optionally, pH value adjustment module includes:
PH value detection unit, for detecting the current pH value for the treatment of sewage；
PH value adjusts unit, if the current pH value for treatment sewage is led to not within the scope of default pH value
Cross acid-base solution treat processing sewage pH value be adjusted.
Optionally, pH value adjusting unit includes:
Device for calculating is adjusted, determines that the default sprinkling of acid-base solution is dense for the current pH value according to treatment sewage
Degree and fountain height；
PH value regulator, for being adjusted based on default spray concentration and fountain height to the pH value for the treatment of sewage
Section.
Optionally, biological oxidation module includes:
Anaerobic oxidation unit, for being carried out at anaerobic denitrifying denitrogenation to the treatment sewage after progress second flow control
Reason；
Aerobic oxidation unit, for being carried out at aerobic nitrification ammonia nitrogen removal to the treatment sewage after progress second flow control
Reason.
The beneficial effect of sewage water treatment method and device provided by the invention is: firstly, the embodiment of the present invention passes through acid
The pH value for the treatment of sewage is adjusted in the preprocess method that basicity is adjusted, and reduces the acid-base property object in treatment sewage
The influence of confrontation multi-stage biological oxidation processes；Then, the embodiment of the present invention is protected by first flow control and second flow control
The abundant precipitating for having demonstrate,proved suspended matter in treatment sewage, reduce the suspended material in treatment sewage to multi-stage biological oxidation at
The influence of reason；Finally, the embodiment of the present invention is handled treatment sewage Nitrogen ion by multi-stage biological oxidation processes, have
Reduce to effect the nitrogen content in sewage.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow diagram for the sewage water treatment method that one embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the sewage-treatment plant that one embodiment of the invention provides.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to FIG. 1, Fig. 1 is the flow diagram for the sewage water treatment method that one embodiment of the invention provides.The present invention is real
Apply example in a first aspect, provides a kind of sewage water treatment method, the sewage water treatment method, comprising:
S1: pH value adjusting is carried out to treatment sewage.
In the present embodiment, treatment sewage is pre-processed by pH value adjusting, to reduce in treatment sewage
Influence of the acid and alkali substance to multi-stage biological oxidation processes.
S2: first flow control is carried out to the treatment sewage after progress pH value adjusting.
In the present embodiment, the flow for the treatment of sewage can be adjusted to the first control flow, the mesh of first flow control
Be reduce the flow velocity of the treatment sewage after carrying out pH value adjusting, carried out convenient for the suspended matter in treatment sewage abundant
Precipitating.
S3: precipitation process is carried out to the treatment sewage after progress first flow control.
In the present embodiment, short grained suspended matter can be gathered into big by flocculant (such as polyacrylamide)
Grain, increases suspended matter weight and precipitates, and is convenient for subsequent progress biological oxidation processing.
S4: second flow control is carried out to the treatment sewage after progress precipitation process.
In the present embodiment, second flow controls the flow velocity for improving treatment sewage, and then improves at subsequent sewage
The efficiency of reason, is also used for whether detection sewage treatment pipeline blocks.Second flow controls
The present flow rate for the treatment of sewage is detected, if present flow rate is no more than the first control flow, it is determined that sewage treatment
Pipeline obstruction clears up sewage treatment pipeline.
If present flow rate is greater than the first control flow and less than the second control flow, present flow rate is adjusted to the second control
Flow processed.
S5: multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control.
In the present embodiment, multi-stage biological oxidation may include anaerobic oxidation and aerobic oxidation.
S6: the nitrogen content in treatment sewage after detection multi-stage biological oxidation, if to be processed after multi-stage biological oxidation
Nitrogen content in sewage is less than default nitrogen content, it is determined that sewage treatment is completed.
In the present embodiment, can to treatment sewage carry out multi-stage biological oxidation while real-time detection treatment sewage
In nitrogen content, if the nitrogen content in treatment sewage after multi-stage biological oxidation is less than default nitrogen content, it is determined that at sewage
Reason is completed.
As can be seen from the above description, the preprocess method that the embodiment of the present invention is adjusted by pH value first is to treatment sewage
PH value be adjusted, reduce influence of the acid and alkali substance to multi-stage biological oxidation processes in treatment sewage；Then
The abundant precipitating that ensure that suspended matter in treatment sewage by first flow control and second flow control, reduces to be processed
Influence of the suspended material to multi-stage biological oxidation processes in sewage；Finally by multi-stage biological oxidation processes to treatment sewage
Nitrogen ion is handled, and the nitrogen content in sewage is significantly reduced.
Optionally, as a kind of specific embodiment of sewage water treatment method provided in an embodiment of the present invention, to be processed
Sewage carries out pH value adjusting, may include:
Detect the current pH value for the treatment of sewage.
If the current pH value for the treatment of sewage is not within the scope of default pH value, by acid-base solution to dirt to be processed
The pH value of water is adjusted.
In the present embodiment, if the current pH value for the treatment of sewage is less than the minimum pH value of default pH value range,
Then it is adjusted by pH value of the alkaline solution to treatment sewage.
If the current pH value for the treatment of sewage is greater than the maximum pH value of default pH value range, pass through acid solution
The pH value for the treatment of sewage is adjusted.
Optionally, as a kind of specific embodiment of sewage water treatment method provided in an embodiment of the present invention, pass through soda acid
The pH value for the treatment of sewage is adjusted in solution, may include:
The default spray concentration and fountain height of acid-base solution are determined according to the current pH value for the treatment of sewage.
The pH value for the treatment of sewage is adjusted based on default spray concentration and fountain height.
In the present embodiment, treatment sewage can be stirred, when carrying out pH value adjusting to make acid-base solution
It is adequately mixed with treatment sewage.
Due to the default spray concentration and fountain height of the present embodiment calculated in advance acid-base solution, there is no need to repeated detections
Whether the pH value for the treatment of sewage is completed to determine that the pH value for the treatment of sewage is adjusted, and can be detected with effectively save pH value
The operating cost of device.
Optionally, as a kind of specific embodiment of sewage water treatment method provided in an embodiment of the present invention, multi-stage biological
Oxidation includes anaerobic oxidation, carries out multi-stage biological oxidation to the treatment sewage after progress second flow control, may include:
Anaerobic denitrifying denitrogenation processing is carried out to the treatment sewage after progress second flow control.
In the present embodiment, namely denitrification can be passed through by carrying out anaerobic denitrifying denitrogenation processing to treatment sewage
It reacts nitrate nitrogen (NO3 -、NO2 -Nitrogen in) be converted to N2Discharge.
Optionally, as a kind of specific embodiment of sewage water treatment method provided in an embodiment of the present invention, multi-stage biological
Oxidation further includes aerobic oxidation, carries out multi-stage biological oxidation to the treatment sewage after progress second flow control, may include:
The processing of aerobic nitrification ammonia nitrogen removal is carried out to the treatment sewage after progress second flow control.
It in the present embodiment, can be namely anti-by nitrification by carrying out the processing of aerobic nitrification ammonia nitrogen removal to treatment sewage
It should be by ammonia nitrogen (NH3、NH4 +Nitrogen in) be converted to nitrate nitrogen (NO3 -、NO2 -Nitrogen in) discharge.
Optionally, as a kind of specific embodiment of sewage water treatment method provided in an embodiment of the present invention, first flow
The first control flow in control is less than the second control flow in second flow control.
Referring to FIG. 2, the second aspect of the embodiment of the present invention, provides a kind of sewage-treatment plant, comprising:
PH value adjustment module 100, for carrying out pH value adjusting to treatment sewage.
First flow control module 200, for carrying out first flow control to the treatment sewage after progress pH value adjusting
System.
Precipitation process module 300, for carrying out precipitation process to the treatment sewage after progress first flow control.
Second flow control module 400, for carrying out second flow control to the treatment sewage after progress precipitation process.
Biological oxidation module 500, for carrying out multi-stage biological oxidation to the treatment sewage after progress second flow control.
Nitrogen content detection module 600, for detecting the nitrogen content in the treatment sewage after multi-stage biological aoxidizes, if multistage
The nitrogen content in treatment sewage after biological oxidation is less than default nitrogen content, it is determined that sewage treatment is completed.
Optionally, referring to FIG. 2, a kind of specific embodiment party as sewage-treatment plant provided in an embodiment of the present invention
Formula, pH value adjustment module 100 may include:
PH value detection unit 110, for detecting the current pH value for the treatment of sewage.
PH value adjusts unit 120, if the current pH value for treatment sewage is not being preset within the scope of pH value,
It is adjusted by pH value of the acid-base solution to treatment sewage.
Optionally, referring to FIG. 2, a kind of specific embodiment party as sewage-treatment plant provided in an embodiment of the present invention
Formula, pH value adjust unit 120 and may include:
Device for calculating 121 is adjusted, the default spray of acid-base solution is determined for the current pH value according to treatment sewage
Spill concentration and fountain height.
PH value regulator 122, for based on default spray concentration and fountain height to the pH value for the treatment of sewage into
Row is adjusted.
Optionally, referring to FIG. 2, a kind of specific embodiment party as sewage-treatment plant provided in an embodiment of the present invention
Formula, biological oxidation module 500 may include:
Anaerobic oxidation unit 510, it is de- for carrying out anaerobic denitrifying to the treatment sewage after progress second flow control
Nitrogen processing.
Aerobic oxidation unit 520, for carrying out aerobic nitrification deamination to the treatment sewage after progress second flow control
Nitrogen processing.
Optionally, as a kind of specific embodiment of sewage-treatment plant provided in an embodiment of the present invention, first flow
The first control flow in control is less than the second control flow in second flow control.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of sewage water treatment method characterized by comprising
PH value adjusting is carried out to treatment sewage；
First flow control is carried out to the treatment sewage after progress pH value adjusting；
Precipitation process is carried out to the treatment sewage after progress first flow control；
Second flow control is carried out to the treatment sewage after progress precipitation process；
Multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control；
The nitrogen content in the treatment sewage after multi-stage biological aoxidizes is detected, if in the treatment sewage after multi-stage biological oxidation
Nitrogen content is less than default nitrogen content, it is determined that sewage treatment is completed.
2. sewage water treatment method as described in claim 1, which is characterized in that described to carry out pH value tune to treatment sewage
Section, comprising:
Detect the current pH value for the treatment of sewage；
If the current pH value for the treatment of sewage is not within the scope of default pH value, by acid-base solution to treatment sewage
PH value is adjusted.
3. sewage water treatment method as claimed in claim 2, which is characterized in that it is described by acid-base solution to treatment sewage
PH value is adjusted, comprising:
The default spray concentration and fountain height of acid-base solution are determined according to the current pH value for the treatment of sewage；
The pH value for the treatment of sewage is adjusted based on default spray concentration and fountain height.
4. sewage water treatment method as described in claim 1, which is characterized in that multi-stage biological oxidation includes anaerobic oxidation, described
Multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control, comprising:
Anaerobic denitrifying denitrogenation processing is carried out to the treatment sewage after progress second flow control.
5. sewage water treatment method as claimed in claim 4, which is characterized in that multi-stage biological oxidation further includes aerobic oxidation, institute
It states and multi-stage biological oxidation is carried out to the treatment sewage after progress second flow control, comprising:
The processing of aerobic nitrification ammonia nitrogen removal is carried out to the treatment sewage after progress second flow control.
6. sewage water treatment method as described in any one in claim 1-5, which is characterized in that the in first flow control
One control flow is less than the second control flow in second flow control.
7. a kind of sewage-treatment plant characterized by comprising
PH value adjustment module, for carrying out pH value adjusting to treatment sewage；
First flow control module, for carrying out first flow control to the treatment sewage after progress pH value adjusting；
Precipitation process module, for carrying out precipitation process to the treatment sewage after progress first flow control；
Second flow control module, for carrying out second flow control to the treatment sewage after progress precipitation process；
Biological oxidation module, for carrying out multi-stage biological oxidation to the treatment sewage after progress second flow control；
Nitrogen content detection module, for detecting the nitrogen content in the treatment sewage after multi-stage biological aoxidizes, if multi-stage biological oxygen
The nitrogen content in treatment sewage after change is less than default nitrogen content, it is determined that sewage treatment is completed.
8. sewage-treatment plant as claimed in claim 7, which is characterized in that the pH value adjustment module includes:
PH value detection unit, for detecting the current pH value for the treatment of sewage；
PH value adjusts unit, if the current pH value for treatment sewage passes through acid not within the scope of default pH value
The pH value for the treatment of sewage is adjusted in aqueous slkali.
9. sewage-treatment plant as claimed in claim 8, which is characterized in that the pH value adjusts unit and includes:
Adjust device for calculating, for the current pH value according to treatment sewage determine acid-base solution default spray concentration and
Fountain height；
PH value regulator, for the pH value for the treatment of sewage to be adjusted based on default spray concentration and fountain height.
10. sewage-treatment plant as claimed in claim 7, which is characterized in that the biological oxidation module includes:
Anaerobic oxidation unit, for carrying out anaerobic denitrifying denitrogenation processing to the treatment sewage after progress second flow control；
Aerobic oxidation unit, for carrying out the processing of aerobic nitrification ammonia nitrogen removal to the treatment sewage after progress second flow control.
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| CN201910616170.5A CN110436700A (en) | 2019-07-09 | 2019-07-09 | Sewage water treatment method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616170.5A CN110436700A (en) | 2019-07-09 | 2019-07-09 | Sewage water treatment method and device |
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| CN110436700A true CN110436700A (en) | 2019-11-12 |
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Citations (5)
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| CA2770709C (en) * | 2009-08-11 | 2017-09-05 | Kinder Morgan Operating L.P."C" | Systems and methods of treating high nitrogen content waste water |
| CN207079046U (en) * | 2017-05-16 | 2018-03-09 | 深圳市圣威宝混凝土有限公司 | A kind of short stream prevention and control system of sedimentation basin |
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Address after: 518000, Guangdong, Baoan District, Xin'an Xin'an Street 1003 Shenzhen Road, No. six financial port C block Applicant after: China Power Construction Ecological Environment Group Co.,Ltd. Address before: 518000, Guangdong, Baoan District, Xin'an Xin'an Street 1003 Shenzhen Road, No. six financial port C block Applicant before: POWERCHINA WATER ENVIRONMENT GOVERANCE |
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Application publication date: 20191112 |