CN207775002U - A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation - Google Patents
A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation Download PDFInfo
- Publication number
- CN207775002U CN207775002U CN201721783813.8U CN201721783813U CN207775002U CN 207775002 U CN207775002 U CN 207775002U CN 201721783813 U CN201721783813 U CN 201721783813U CN 207775002 U CN207775002 U CN 207775002U
- Authority
- CN
- China
- Prior art keywords
- mixing pit
- magnetic
- sedimentation basin
- sewage treatment
- reaction tank
- 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.)
- Active
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a kind of magnetic-coagulation and the integrated oil-containing sewage treatment systems of catalysis oxidation.The system includes sequentially connected first mixing pit, the second mixing pit, third mixing pit, the first sedimentation basin, the first reaction tank, the 4th mixing pit and the second sedimentation basin；Further include the coagulant grug feeding jar being connected with the first mixing pit, the magnetic powder filling tank being connected with the second mixing pit, the flocculant grug feeding jar being respectively connected with third mixing pit and the 4th mixing pit, the oxidant filling apparatus being connected with the first reaction tank, and the magnetic separating device being connected respectively with the first and second sedimentation basin, an outlet of magnetic separating device are separately connected magnetic powder filling tank and connect the first reaction tank via washer；Another outlet is connected with sludge dewatering equipment, and the first and second sedimentation basin is both provided with water outlet and spoil disposal cinder notch.The utility model plays magnetic-coagulation separation and catalysed oxidn simultaneously, realizes the effective integrated processing of complicated Recalcitrant chemicals in oily wastewater.
Description
Technical field
The utility model belongs to oily waste water treatment technical field, and in particular to a kind of magnetic-coagulation and catalysis oxidation integration
Oil-containing sewage treatment system.
Background technology
Oil and gas industry is as the essential industry class to involve the interests of the state and the people, in production process, is inevitably generated big
The oily wastewaters such as the oil field extracted water of amount.As production scale constantly increases, the treating capacity of oily wastewater continues to increase.And wherein
Pollutant load is high, and type is more, complicated component, and intractability is big.On the other hand, as the whole society is to environmental protection attention degree
Continuous promotion, prevent water pollution, ensure the qualified discharge of industrial water, also cause the highest attention of people.Traditional oil-containing
The problems such as sewage treatment process takes up a large area there are pollutant sinking speed is slow, pollutant residual, removal is not thorough.How
The fast and effective removal of multiple pollutant is realized in sewage disposal system, it has also become the important subject of related field.It opens
The integration processing system for sending out new promotes oily waste water treatment efficiency, realizes pollutant advanced treating, disclosure satisfy that industrial production
And the demand of environmental protection, it has important practical significance.
Sewage purification technology based on Magneto separate principle has that efficient, low energy consumption, easy to operate, non-secondary pollution and cost
Low advantage.During dosing coagulation removes pollutant, it is added into magnetic powder, suction-operated can be played, promotes flco
Formation and coalescence increase.Under the action of externally-applied magnetic field, it is easy to accomplish solid-liquid quick separating can improve pollutant removal effect
Rate has a clear superiority compared to existing oil-contaminated water processing method.Although having the advantages that above-mentioned, magnetic-coagulation is used alone
Associated processing system cannot be satisfied the needs of oily waste water treatment.It is complicated that this is mainly due to pollutant components in oily wastewater,
Separation removal difficulty is big.And magnetic-coagulation technology mainly removes pollutant by the principle of flocculation separation, has some limitations.
For the good petroleum hydrocarbon contaminant of the solubility to dispersion in sewage, wherein further including a variety of Recalcitrant chemicals, using magnetic-coagulation
Method all cannot achieve removal, it is difficult to which the requirement for reaching pollutant advanced treating needs to be used in combination with other processes, increases
Strong processing capacity.
Catalytic oxidation treatment sewage refers to that under the action of catalyst, oxidant generates hydroxyl radical free radical isoreactivity in water
Extremely strong free radical group.Free radical group can generate effectively with the pollutant reaction that is difficult to be degraded under general condition
Small-molecule substance enhances mineralization degree.This method good petroleum hydrocarbon contaminant of solubility to dispersion suitable for treated sewage, for
The removal of petroleum hydrocarbon contaminant difficult to degrade also has specific aim.But want to play the effect of catalysis oxidation, more economical and efficient
Use oxidant, the practicability of Enhancement Method, it is also necessary to be combined with suitable pre-treating method.First to big in oily wastewater
It measures pollutant and carries out minimizing, reduce the load of subsequent catalyst oxidation technology unit, reduce disturbing factor.What catalysis oxidation generated
Catabolite after mineralising, it is also desirable to be removed from water by suitable separation method.In addition, to obtain higher catalysis oxidation
Activity usually will select granularity small, large specific surface area, the high heterogeneous catalysis of dispersibility.The recycling of catalyst and Anti-lost
It is more difficult, constrain the practicability of this method.If magnetic powder is added in the processing system as heterogeneous catalysis, just
It can be easily combined with magnetic-coagulation separating technology, while synergy, catalyst recycling be solved by Magneto separate and is asked
Topic.
In conclusion magnetic powder is added in the processing system, while playing magnetic-coagulation centrifugation, additionally it is possible to
Oxidant acts synergistically, and realizes the catalysis oxidation of Recalcitrant chemicals.Therefore, the prior art is innovated, according to magnetic-coagulation
With two kinds of mechanisms of action of catalysis oxidation, be integrally formed integrated processing system, allow for the efficient advanced treating of oily wastewater at
It is possible.In oily waste water treatment etc., have a good application prospect.
Invention content
Technical problem to be solved in the utility model is complicated for oily wastewater pollutant component, and sinking speed is slow,
The low problem of the big efficiency of intractability provides a kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation, this is
System makes full use of magnetic powder, while playing magnetic-coagulation separation and catalysed oxidn, realizes complicated difficult to degrade in oily wastewater
The effective integrated processing of pollutant ensures that water outlet reaches processing requirement.
Technical solution used by the utility model is specific as follows：
A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation, including sequentially connected first mixing
Pond, the second mixing pit, third mixing pit, the first sedimentation basin, the first reaction tank, the 4th mixing pit and the second sedimentation basin；Further include
The coagulant grug feeding jar being connected with the first mixing pit, the magnetic powder filling tank being connected with the second mixing pit, with third mixing pit
And the 4th mixing pit flocculant grug feeding jar being respectively connected with, the oxidant filling apparatus that is connected with the first reaction tank, and respectively
An outlet with the first sedimentation basin and the magnetic separating device of the second sedimentation basin, the magnetic separating device is separately connected magnetic powder
Filling tank simultaneously connects the first reaction tank via washer；Another outlet of the magnetic separating device is connected with sludge dewatering equipment,
First sedimentation basin and the second sedimentation basin is respectively provided with water outlet and spoil disposal cinder notch.
In above-mentioned oil-containing sewage treatment system, first mixing pit, the second mixing pit, third mixing pit, first are instead
It answers in pond and the 4th mixing pit and is both provided with mechanical stirring equipment.Mixing speed rationally can be adjusted as needed when use
Section, to promote dosing to be sufficiently mixed with water inlet, medicament fully interacts with pollutant.
In above-mentioned oil-containing sewage treatment system, the magnetic separating device includes high-speed shearing machine and magnetic separator.High speed is cut
After cutting sludge of the machine shearing containing magnetic powder, then through magnetic separator realization sludge separation and magnetic powder recycling.Magnetic separator
High gradient magnetic separator should be selected, pulley type magnetic separator or magnetic disc type magnetic separator can be selected, magnetic field background intensity is 1000
It is more than Gauss.
In above-mentioned oil-containing sewage treatment system, the sludge dewatering equipment be belt filter press, plate compression dewaterer and
Centrifugal drier.
The beneficial effects of the utility model are：Use the magnetic-coagulation and the integrated oily waste water treatment system of catalysis oxidation
System, can make full use of magnetic powder, while play magnetic-coagulation separation and catalysed oxidn, efficiently remove complicated difficult pollution degradation
Object realizes standard water discharge.Using magnetic-coagulation equipment, the sedimentation for generating pollutant flco can be greatly speeded up, equipment takes up an area few, solid-liquid
Separative efficiency is high.Separation and recovery magnetic powder simultaneously reuses, and good economy performance avoids secondary pollution.
Description of the drawings
Fig. 1 shows for the structure of magnetic-coagulation provided by the utility model and the integrated oil-containing sewage treatment system of catalysis oxidation
It is intended to.
In figure：1, the first mixing pit, the 2, second mixing pit, 3, third mixing pit, the 4, first sedimentation basin, the 5, first reaction
Pond, the 6, the 4th mixing pit, the 7, second sedimentation basin, 8, washer, 9, sludge dewatering equipment, 10, magnetic separating device, 11, oxidant adds
Dispensing device, 12, magnetic powder filling tank, 13, coagulant grug feeding jar, 14, flocculant grug feeding jar.
Specific implementation mode
Technical solutions of the utility model are described in detail below in conjunction with drawings and the specific embodiments.
A kind of magnetic-coagulation of the utility model and the integrated oil-containing sewage treatment system of catalysis oxidation, including each unit is successively
Connected the first mixing pit 1, the second mixing pit 2, third mixing pit 3, the first sedimentation basin 4, the first reaction tank 5, the 4th mixing pit
6, the second sedimentation basin 7 further includes：Washer 8, sludge dewatering equipment 9, magnetic separating device 10, oxidant filling apparatus 11, magnetic powder
Body filling tank 12, coagulant grug feeding jar 13, flocculant grug feeding jar 14.Wherein, coagulant grug feeding jar 13 and 1 phase of the first mixing pit
Even, it is used for 1 dosing coagulant of the first mixing pit；Magnetic powder filling tank 12 is connected with the second mixing pit 2, for mixed to second
It closes pond 2 and fills magnetic powder；Flocculant grug feeding jar 14 is respectively connected with third mixing pit 3 and the 4th mixing pit 6, is used for third
Mixing pit 3 and the 4th mixing pit add flocculant；Oxidant filling apparatus 11 is connected with the first reaction tank 5, for anti-to first
Pond 5 is answered to fill oxidant；Magnetic separating device 10 is connected with the first sedimentation basin 4 and the second sedimentation basin 7 respectively, and outlet is separately connected
Magnetic powder filling tank 12 simultaneously connects the first reaction tank 5 via washer 8；10 another outlet of magnetic separating device and sludge dewatering equipment
9 are connected.
Oily waste water treatment process based on the utility model is as follows：Oily wastewater enters the first mixing pit 1, with coagulant
The coagulant that grug feeding jar 13 adds is sufficiently mixed effect, preliminarily forms small flco；Further, it is mixed to enter second for sewage containing flco
Pond 2 is closed, is acted on the magnetic powder that magnetic powder filling tank 12 fills, center of the magnetic powder as absorption coalescence promotes small
Flco aggregation increases, and improves flco proportion；Further, sewage containing flco enters third mixing pit 3, makees in the flocculant of filling
Under, the abundant coalescence of flco increases, and becomes the alumen ustum containing magnetic powder, alumen ustum volume becomes larger；Further, containing magnetic alumen ustum
Sewage enters the first sedimentation basin 4, and magnetic alumen ustum rapid subsidence under the action of externally-applied magnetic field realizes and be separated by solid-liquid separation that sedimentation obtains
The sludge containing magnetic powder enter magnetic separating device 10, after magnetic powder is recovered cleaned device 8, into the first reaction tank 5.
Sludge after magnetic powder recycling enters the dehydration of sludge dewatering equipment 9；First sedimentation basin, the 4 isolated sewage through preliminary treatment into
Enter the first reaction tank 5, is come into full contact with the oxidant of magnetic powder after cleaning and filling.Oxidant is catalyzed by magnetic powder,
Generate the stronger free radical of oxidisability in water, can quick remaining organic pollution in oxygenolysis water, including it is difficult to degrade
Pollutant, oxidation product enters in next step, convenient for separation removal；Further, the water after catalysis oxidation advanced treating carries
Magnetic powder enters the 4th mixing pit 6, is sufficiently mixed effect with the flocculant of filling, the aggregation of oxidation product body refuse becomes larger, formed
Magnetic flco；Further, the water containing magnetic flco after advanced treating enters the second sedimentation basin 7, after magnetic flco aggregation outside
Adding rapid subsidence under magnetic fields, realizes and be separated by solid-liquid separation, the sludge containing magnetic powder settled enters magnetic separating device 10,
Magnetic powder arrives magnetic powder filling tank 12, recycling by separation and recovery.It is de- that remaining sludge enters sludge dewatering equipment 9
Water；By the sedimentation separation process in the second sedimentation basin 7, you can be discharged.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.
Claims (4)
1. a kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation, including sequentially connected first mixing pit,
Second mixing pit, third mixing pit, the first sedimentation basin, the first reaction tank, the 4th mixing pit and the second sedimentation basin；Further include and the
One mixing pit connected coagulant grug feeding jar, the magnetic powder filling tank that is connected with the second mixing pit, with third mixing pit and the
Flocculant grug feeding jar that four mixing pits are respectively connected with, the oxidant filling apparatus being connected with the first reaction tank, and respectively with
The magnetic separating device that one sedimentation basin and the second sedimentation basin are connected, an outlet of the magnetic separating device is separately connected magnetic powder
Filling tank simultaneously connects the first reaction tank via washer；Another outlet of the magnetic separating device is connected with sludge dewatering equipment,
First sedimentation basin and the second sedimentation basin is respectively provided with water outlet and spoil disposal cinder notch, the spoil disposal cinder notch and magnetic point
It is connected from device.
2. oil-containing sewage treatment system according to claim 1, which is characterized in that first mixing pit, second mixed
It closes in pond, third mixing pit, the first reaction tank and the 4th mixing pit and is both provided with mechanical stirring equipment.
3. oil-containing sewage treatment system according to claim 1, which is characterized in that the magnetic separating device includes that high speed is cut
Cut machine and magnetic separator.
4. oil-containing sewage treatment system according to claim 1, which is characterized in that the sludge dewatering equipment is belt pressure
Filter, plate compression dewaterer and centrifugal drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783813.8U CN207775002U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783813.8U CN207775002U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207775002U true CN207775002U (en) | 2018-08-28 |
Family
ID=63226993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721783813.8U Active CN207775002U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207775002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973480A (en) * | 2017-12-19 | 2018-05-01 | 中海油天津化工研究设计院有限公司 | Magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation and processing method |
-
2017
- 2017-12-19 CN CN201721783813.8U patent/CN207775002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973480A (en) * | 2017-12-19 | 2018-05-01 | 中海油天津化工研究设计院有限公司 | Magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation and processing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107973480A (en) | Magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation and processing method | |
| CN101805090B (en) | Process for treating fracturing flow-back fluid of oil well | |
| CN203411425U (en) | Oil field fracturing flow-back liquid wastewater treatment equipment | |
| CN103288295A (en) | Water treatment method and water treatment system | |
| CN108218042A (en) | Fracturing outlet liquid processing system and technique | |
| CN104556595A (en) | Treatment process for oily sludge | |
| CN104418452A (en) | Oil field fracturing flowback fluid sewage treatment equipment | |
| CN101423262A (en) | Air-floated water treatment device | |
| CN207108764U (en) | A kind of processing system of offshore oilfield oil extraction waste water and oil-base mud | |
| CN207775002U (en) | A kind of magnetic-coagulation and the integrated oil-containing sewage treatment system of catalysis oxidation | |
| CN106430866A (en) | Synthetic rubber processing waste water treatment device and method | |
| CN101708927B (en) | Method for deeply processing waste water from paper making | |
| CN220665113U (en) | Full quantization processing apparatus of landfill leachate | |
| CN112897820A (en) | Equipment and method for treating sewage by talcum powder high-concentration activated sludge process | |
| CN100352773C (en) | Sewage treatment device and sewage treatment method with diatomite as flocculation core | |
| KR100292225B1 (en) | Method and apparatus of reusing for dirty and waste water including excretion | |
| CN109896692A (en) | A kind of coal-to-olefin and its technique of sewage treatment coupling | |
| CN211813644U (en) | Activated sludge treatment equipment of loading magnetic | |
| CN208898688U (en) | A kind of efficient process equipment of integrated oil-containing waste water | |
| CN203474558U (en) | Tail end system for treating wastewater so as to realize emission on standard | |
| CN208898689U (en) | A kind of processing unit of oily waste water | |
| CN106542699B (en) | A kind of highly concentrated sewage water treatment method of efficient crushed coal pressure gasifying | |
| CN215886706U (en) | Water treatment system for treating river water and used for landscape water | |
| CN217323702U (en) | Integrated treatment device for pretreatment of high-oil-content sewage | |
| CN201288074Y (en) | Air-floated water treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |