CN108996622A - A kind of electric flocculation processing method under the conditions of low turbidity water quality - Google Patents
A kind of electric flocculation processing method under the conditions of low turbidity water quality Download PDFInfo
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- CN108996622A CN108996622A CN201810797385.7A CN201810797385A CN108996622A CN 108996622 A CN108996622 A CN 108996622A CN 201810797385 A CN201810797385 A CN 201810797385A CN 108996622 A CN108996622 A CN 108996622A
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- China
- Prior art keywords
- low turbidity
- water
- electric flocculation
- conditions
- processing method
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
Abstract
The invention discloses the electric flocculation processing methods under the conditions of a kind of low turbidity water quality, comprising the following steps: A, first by the sewage of low turbidity injection raw water conditioning tank carries out preliminary adjusting processing；B, the sewage pre-processed is handled, the particulate matter in water to the water body extra current in device, is condensed by floccule precipitating by pole plate soluble inside conditioning tank and current feedback circuit；C, the low turbidity water after flocculation treatment is once again powered up reaction, demulsification, bleaching is carried out to low turbidity waste sewage；D, then the low turbidity waste sewage pre-processed is injected into centrifugal clarifier and carries out centrifugal treating；E, precipitating agglutinating matter is separated with clear water, the present invention carries out high speed, the efficient process of low turbidity water using electric flocculation technology, water treatment technology, automated control technology, computer technology are organically blended to handle low turbidity water, staffing and labor intensity are reduced, the automatization level of enterprise is improved.
Description
Technical field
Electric flocculation the present invention relates to low turbidity technical field of waste water processing, under the conditions of specially a kind of low turbidity water quality
Processing method.
Background technique
As China's expanding economy, the increase of population, the continuous of urbanization process accelerate and the continuous expansion of scale, ring
Border and health problem increasingly draw attention.
Process for treating low turbidity water has much at present, such as flocculation sedimentation, mechanical acceleration precipitating, decarburization, bio-trickling at a slow speed
Deng wherein mainly having flocculation sedimentation, mechanical acceleration precipitating etc. using more technology.The variation water quality of low turbidity water is small, uses
Water l oad fluctuation is larger, using large-scale processing structures, not only takes up a large area, waste investment, and smaller in water
In the case where be also not easy to reach preferable treatment effect.
When handling low turbidity water quality, flocculation reaction generally uses aluminium system or iron series inorganic flocculating agent.Aluminium salt hydrolytic process
The alumen ustum of generation is big, and effect is swept and be mingled with to wadding body volume obviously, and process route is mature.But the hydrolysis of aluminium salt is the endothermic reaction, temperature
Dosage is larger when low, and aluminium salt as coagulant increases sometimes aluminium content in water, causes to poison to human body.Molysite has
It easy to operate, the features such as expense is low, it is small to be affected by temperature, wadding body is strong to the affinity of microorganism, is widely used.
Because the suspended matter quantity contained is few, the probability that suspended matter collides reduces low turbidity water, is easy to produce floccule body
The problems such as smaller, not easily settled.To improve deposition efficiency, water producing cost is saved, quick lime, polyacrylamide, work are usually added
The flocculation aids such as SiClx acid improve coagulation effect.But process flow is complicated, and cumbersome, effluent quality is unstable, and shock resistance is negative
Lotus is poor.Not only environmental protection not yet truly domestic at present but also efficient low turbidity water treatment process device.
For prior art there are operating cost height, bad adaptability, secondary pollution problems, Speeding up development is economical and practical,
Energy conservation and environmental protection, clean and effective, adaptable low turbidity water quality New Method for Processing, for promoting environmental protection and Economic Sustainability
Development has important practical significance.According to the market demand, researches and develops a set of the characteristics of capable of gathering each technique and avoid prior art
The shortcomings that, keep its small occupied area, investment saving, capacity of resisting impact load strong, convenient for the low turbidity water quality item for managing and overhauling
Electric flocculation processing unit under part.
Summary of the invention
Water treatment technology, automated control technology, computer technology are had the purpose of the present invention is to provide a kind of
Machine merges to handle low turbidity water, reduces staffing and labor intensity, improves a kind of low turbidity of the automatization level of enterprise
Electric flocculation treatment process under condition of water quality, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of electric flocculation under the conditions of low turbidity water quality
Processing method, it is characterised in that: the following steps are included:
A, initial adjustment processing is carried out by the sewage injection raw water conditioning tank of low turbidity first；
B, the sewage pre-processed is handled, by pole plate soluble inside conditioning tank and current feedback circuit come to dress
Particulate matter in water is condensed into floccule precipitating by the water body extra current in setting；
C, the low turbidity water after flocculation treatment is once again powered up reaction, demulsification, bleaching is carried out to low turbidity waste sewage；
D, then the low turbidity waste sewage pre-processed is injected into centrifugal clarifier and carries out centrifugal treating；
E, precipitating agglutinating matter is separated with clear water.
Preferably, the precipitating agglutinating matter after separation is separated with clear water using fresh water pump in the step E, clear water
The connection pipe of pump is mounted on the top of device.
Preferably, the inside of the raw water conditioning tank is equipped with energization pole plate, and energization pole plate is counted with control respectively by conducting wire
Calculate mechanical, electrical source connection.
Preferably, the step A carries out high speed, efficient process using electric flocculation technology, and electric flocculation EC technology uses
Low turbidity heavy metal in waste water is realized under electric advanced oxidation, electroreduction, electric flocculation and the collective effect of four kinds of electric floating reactions,
COD, the pollutants such as phosphorus it is common degradation and simultaneously it is up to standard.
Preferably, the electric flocculation treatment process access AC220V voltage, the inside of electric flocculation Processing Equipment,
Outside is equipped with insulating layer.
Compared with prior art, the beneficial effects of the present invention are:
(1) the electric flocculation processing under the conditions of low turbidity water quality is the important composition link of industry, city's political system water, effective to reduce
Fresh tap water supply, and government department can be helped to complete energy-saving and emission-reduction task, consumption power plant surrounding cities sewage treatment plant
Draining, level of improving the ecological environment restore the diversity of habitat conditions, mitigate water body eutrophication degree, guard national environmental protection rigidly
The ecological protection red line requirement that portion proposes.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The invention provides the following technical scheme: the electric flocculation processing method under the conditions of a kind of low turbidity water quality, feature
It is: the following steps are included:
A, initial adjustment processing is carried out by the sewage injection raw water conditioning tank of low turbidity first；
B, the sewage pre-processed is handled, by pole plate soluble inside conditioning tank and current feedback circuit come to dress
Particulate matter in water is condensed into floccule precipitating by the water body extra current in setting；
C, the low turbidity water after flocculation treatment is once again powered up reaction, demulsification, bleaching is carried out to low turbidity waste sewage；
D, then the low turbidity waste sewage pre-processed is injected into centrifugal clarifier and carries out centrifugal treating；
E, precipitating agglutinating matter is separated with clear water.
First by the sewage injection raw water conditioning tank of low turbidity, initial adjustment processing is carried out, in the inside of raw water conditioning tank
Equipped with energization pole plate, energization pole plate is connect with control computer, power supply respectively by conducting wire, the access of electric flocculation treatment process
AC220V or 380V voltage, inside, the outside of electric flocculation Processing Equipment are equipped with insulating layer.
The sewage pre-processed is handled, by pole plate soluble inside conditioning tank and current feedback circuit come pair
Particulate matter in water is condensed into floccule precipitating by the water body extra current in device, and electric flocculation treatment process uses high frequency
The pulse power, high frequency pulse power supply is using automatic control converter technique, the high-voltage pulse frequency of auto-control access, using difference
Energization frequency in low turbidity water substance carry out flocculation treatment.
High speed, efficient process are carried out using electric flocculation EC technology, electric flocculation technology uses electric advanced oxidation, electricity also
Realization low turbidity heavy metal in waste water under former, electric flocculation and the collective effect of four kinds of electric floating reactions, COD, the pollutants such as phosphorus
It degrades and up to standard simultaneously, is separated the precipitating agglutinating matter after separation with clear water using fresh water pump, the company of fresh water pump jointly
It joins two pipes together and is mounted on the top of device, the clear water separated is discharged from top by fresh water pump, thus by clear water and flocculation
Sediment separates.
Electric flocculation processing under the conditions of low turbidity water quality is the important composition link of industry, city's political system water, is effectively subtracted
Few fresh tap water supply, completes energy-saving and emission-reduction task, consumes the draining of municipal sewage plant, level of improving the ecological environment,
Restore the diversity of habitat conditions, mitigate water body eutrophication degree, the ecological protection red line for guarding State Ministry of Environmental Protection's proposition rigidly is wanted
It asks.
In conclusion mounting process of the present invention can be improved shock resistance, subsequent construction efficiency is improved.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. the electric flocculation processing method under the conditions of a kind of low turbidity water quality, it is characterised in that: the following steps are included:
A, initial adjustment processing is carried out by the sewage injection raw water conditioning tank of low turbidity first；
B, the sewage pre-processed is handled, by pole plate soluble inside conditioning tank and current feedback circuit come to dress
Particulate matter in water is condensed into floccule precipitating by the water body extra current in setting；
C, the low turbidity water after flocculation treatment is once again powered up reaction, demulsification, bleaching is carried out to low turbidity waste sewage；
D, then the low turbidity waste sewage pre-processed is injected into centrifugal clarifier and carries out centrifugal treating；
E, precipitating agglutinating matter is separated with clear water.
2. the electric flocculation processing method under the conditions of a kind of low turbidity water quality according to claim 1, it is characterised in that: institute
Electric flocculation treatment process is stated using high frequency pulse power supply.
3. the electric flocculation processing method under the conditions of a kind of low turbidity water quality according to claim 1, it is characterised in that: institute
It states in step E and is separated the precipitating agglutinating matter after separation with clear water using fresh water pump, the connection pipe installation of fresh water pump
In the top of device.
4. the electric flocculation processing method under the conditions of a kind of low turbidity water quality according to claim 1, it is characterised in that: institute
The inside for stating raw water conditioning tank is equipped with energization pole plate, and energization pole plate is connect with control computer, power supply respectively by conducting wire.
5. the electric flocculation processing method under the conditions of a kind of low turbidity water quality according to claim 1, it is characterised in that: institute
State step A and high speed, efficient process carried out using electric flocculation technology, electric flocculation EC technology using electric advanced oxidation, electroreduction,
Electric flocculation and four kinds of electric floating reaction collective effects under realize low turbidity electricity water in heavy metal, COD, the pollutants such as phosphorus it is common
It degrades and up to standard simultaneously.
6. the electric flocculation processing method under the conditions of a kind of low turbidity water quality according to claim 1, it is characterised in that: institute
Electric flocculation treatment process access AC220V voltage is stated, inside, the outside of electric flocculation Processing Equipment are equipped with insulating layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797385.7A CN108996622A (en) | 2018-07-19 | 2018-07-19 | A kind of electric flocculation processing method under the conditions of low turbidity water quality |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810797385.7A CN108996622A (en) | 2018-07-19 | 2018-07-19 | A kind of electric flocculation processing method under the conditions of low turbidity water quality |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117121A (en) * | 2019-05-14 | 2019-08-13 | 吉林建筑大学 | A kind of processing method of the waste water containing size |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182990A (en) * | 1994-12-28 | 1996-07-16 | Japan Steel & Tube Constr Co Ltd | Muddy water treating device |
| CN101323469A (en) * | 2007-06-13 | 2008-12-17 | 天津科技大学 | Electrocoagulation sea water pretreatment |
| CN202390271U (en) * | 2011-11-25 | 2012-08-22 | 贵州绿色环保设备工程有限责任公司 | Electronic control integrated purifier device for electronic flocculation |
| CN104496090A (en) * | 2014-12-20 | 2015-04-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Rural drinking water integrated water purification method and device |
-
2018
- 2018-07-19 CN CN201810797385.7A patent/CN108996622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182990A (en) * | 1994-12-28 | 1996-07-16 | Japan Steel & Tube Constr Co Ltd | Muddy water treating device |
| CN101323469A (en) * | 2007-06-13 | 2008-12-17 | 天津科技大学 | Electrocoagulation sea water pretreatment |
| CN202390271U (en) * | 2011-11-25 | 2012-08-22 | 贵州绿色环保设备工程有限责任公司 | Electronic control integrated purifier device for electronic flocculation |
| CN104496090A (en) * | 2014-12-20 | 2015-04-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Rural drinking water integrated water purification method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117121A (en) * | 2019-05-14 | 2019-08-13 | 吉林建筑大学 | A kind of processing method of the waste water containing size |
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Application publication date: 20181214 |
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