CN109553241A - A kind of oil-contained waste water treatment device and method - Google Patents
A kind of oil-contained waste water treatment device and method Download PDFInfo
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- CN109553241A CN109553241A CN201710892686.3A CN201710892686A CN109553241A CN 109553241 A CN109553241 A CN 109553241A CN 201710892686 A CN201710892686 A CN 201710892686A CN 109553241 A CN109553241 A CN 109553241A
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- inclined plate
- greasy dirt
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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
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- 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
-
- 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
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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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)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrostatic Separation (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of oil-contained waste water treatment device and method, which includes: water inlet, water outlet, oily waste degradation portion and suspended matter removal portion；Wherein, the oily waste degradation portion includes greasy dirt coalescence unit and greasy dirt sloping plate deposition unit, is provided with first baffle between the greasy dirt coalescence unit and the greasy dirt sloping plate deposition unit；Suspended matter removal portion includes electric flocculation unit, suspended matter inclined plate sedimentation unit and sludge settling upgrading unit, second baffle is provided between the electric flocculation unit and the suspended matter inclined plate sedimentation unit, the sludge settling upgrading unit is set to the suspended matter inclined plate sedimentation unit lower part；Third baffle is provided between the greasy dirt sloping plate deposition unit and the electric flocculation unit.Device and method provided by the invention can realize the removal rate of Oil in Sewage Water and 95% or more suspended matter in the case where not adding medicine.
Description
Technical field
The present invention relates to water treatment fields, more particularly, to a kind of oil-contained waste water treatment device and method.
Background technique
China major part oil field uses waterflooding extraction mode, and the exploitation of many years has made these oil fields fully enter High water cut
Phase.Due to the extensive application of chemical agents various in oil recovery process, in addition biology extremely complex in recovery process, chemistry, object
The factors such as reason, make reservoir characteristics and Produced Liquid ingredient that great changes have occurred, and Produced Liquid abjection water contains a large amount of crude oil, leads to
Often it is called oily wastewater.
Traditional oily waste water treatment technology mainly uses chemical treatment method, and dosage is big, and reagent cost is high, and sludge produces
Amount is big.Based on disadvantages mentioned above, electrochemistry sewage treatment process becomes sewage treatment process emerging in recent years, has less developer
The advantages that, referred to as " Green Chemistry " of sewage treatment field.The research of electrochemical treatments oily wastewater at present, focuses mostly in electricity
Flocculation, electric floating, electrolysis etc., using above-mentioned electrochemical process for treating, it will usually be consumed because chemical reaction occurs big
Electric energy is measured, leads to the problem that power consumption is high, while can also have the disadvantages of sacrificial anode, anode loss is at high cost.
Therefore, it is necessary to develop, a kind of power consumption is small, and is able to achieve at the oily wastewater of few dosing or not dosing simultaneously
Manage device and method.
Summary of the invention
The present invention provides a kind of oil-contained waste water treatment device and methods, can be by electric field suction-operated, without throwing
Oil in Sewage Water dirt and the removal of suspended matter can be realized in adding medicine.
According to an aspect of the present invention, a kind of oil-contained waste water treatment device is provided, which includes: water inlet, water outlet
Mouth, oily waste degradation portion and suspended matter removal portion；Wherein, the oily waste degradation portion includes greasy dirt coalescence unit and greasy dirt sloping plate deposition
Unit is provided with first baffle between the greasy dirt coalescence unit and the greasy dirt sloping plate deposition unit；The greasy dirt coalescence is single
Member and greasy dirt sloping plate deposition unit are charged elements；Suspended matter removal portion includes that electric flocculation unit, suspended matter inclined plate are heavy
Unit and sludge settling upgrading unit are dropped, is provided with second between the electric flocculation unit and the suspended matter inclined plate sedimentation unit
Baffle, the sludge settling upgrading unit are set to the suspended matter inclined plate sedimentation unit lower part；The electric flocculation unit and outstanding
Floating object inclined plate sedimentation unit is charged elements；Is provided between the greasy dirt sloping plate deposition unit and the electric flocculation unit
Three baffles.
According to another aspect of the present invention, provide a kind of sewage water treatment method, this method comprises the following steps: greasy dirt is poly-
Knot processing, sewage enters the greasy dirt by the water inlet and coalesces unit, under electric microfield effect, to the electric coalescent pack
Direction movement realizes oil droplet coarse in coalescent pack surface collision, coalescence；
Oil removal treatment, the sewage by greasy dirt coalescence processing are adsorbed in electric field and are made by greasy dirt sloping plate deposition unit
Under, oil droplet acceleration floats up to inclined board, is enriched in above the water surface, collects greasy dirt by collection tank；
Coagulation-flocculation processing, the sewage by the oil removal treatment enter the electric flocculation unit, under electric flocculation effect,
To in sewage suspended matter and remaining greasy dirt carry out the coagulation-flocculation processing；
Oil removing and suspended matter processing pass through the suspended matter inclined plate sedimentation unit by the sewage that the coagulation-flocculation is handled
Realize that suspended matter accelerates the floating sunk with oil residues under electric field suction-operated, so that the suspended matter of the sinking is logical
The sludge settling upgrading unit discharge is crossed, the oil residues are collected by collection tank, and purified sewage goes out described in
Mouth of a river discharge.
Device and method provided by the invention carries out physics coalescent deoiling using electric field action, poly- by electric field and physics
Knot acts on the removal that 80% or more oil droplet may be implemented；Made using the coagulation-flocculation effect and the absorption of inclined plate electric field of electric flocculation
With removal of the realization to suspended matter and smaller particle oil droplet may finally realize the removal rate of oil and 95% or more suspended matter.It is whole
It does not need to add medicament in a device operational process, it is only necessary to load low tension to device, a large amount of reagent costs can be saved, subtracted
Few sludge yield, device operating cost are low.
Methods and apparatus of the present invention has other characteristics and advantages, these characteristics and advantages are attached from what is be incorporated herein
It will be apparent in figure and subsequent specific embodiment, or will be in the attached drawing and subsequent specific implementation being incorporated herein
It is stated in detail in example, these the drawings and specific embodiments are used together to explain specific principle of the invention.
Detailed description of the invention
Exemplary embodiment of the present is described in more detail in conjunction with the accompanying drawings, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein in exemplary embodiments of the present invention, identical reference label is usual
Represent same parts.
Fig. 1 shows the schematic diagram of oil-contained waste water treatment device according to the present invention.
Fig. 2 shows the overlooking renderingss of one according to the present invention electric coalescent pack.
Description of symbols
1, water inlet 2, electric coalescent pack 3, support plate with holes 4, first baffle 5, first charge inclined plate 6, second tiltedly
Plate connects electric slot 7, the first inclined plate connects electric slot 8, voltolisation knot cathode plate 9, the first sewage draining exit 10, collection tank 11, collection tank 12,
First anode plate 13, the first cathode plate 15, the second cathode plate 16, second electrification inclined plate 17, receives oil at second plate plate 14
Slot 18, collection tank 19, second baffle 20, third baffle 21, water outlet 22, third inclined plate connect electric slot 23, the 4th inclined plate
Connect electric slot 24, the second sewage draining exit
Specific embodiment
The present invention will be described in more detail below with reference to accompanying drawings.Although showing the preferred embodiment of the present invention in attached drawing,
However, it is to be appreciated that may be realized in various forms the present invention and should not be limited by the embodiments set forth herein.On the contrary, providing
These embodiments are of the invention more thorough and complete in order to make, and can will fully convey the scope of the invention to ability
The technical staff in domain.
Fig. 1 shows the schematic diagram of oil-contained waste water treatment device according to the present invention.
As shown in Figure 1, an aspect of of the present present invention provides a kind of oil-contained waste water treatment device, which includes: water inlet
1, water outlet 21, oily waste degradation portion and suspended matter removal portion；Wherein, the oily waste degradation portion includes greasy dirt coalescence unit and greasy dirt
Sloping plate deposition unit is provided with first baffle 4 between the greasy dirt coalescence unit and the greasy dirt sloping plate deposition unit；The oil
Dirt coalescence unit and greasy dirt sloping plate deposition unit are charged elements；Suspended matter removal portion includes electric flocculation unit, suspends
Object inclined plate sedimentation unit and sludge settling upgrading unit are set between the electric flocculation unit and the suspended matter inclined plate sedimentation unit
It is equipped with second baffle 19, the sludge settling upgrading unit is set to the suspended matter inclined plate sedimentation unit lower part；The electricity wadding
Solidifying unit and suspended matter inclined plate sedimentation unit are charged elements；The greasy dirt sloping plate deposition unit and the electric flocculation unit it
Between be provided with third baffle 20.
Sewage short circuit in order to prevent coalesces in the greasy dirt and is provided with the between unit and the greasy dirt sloping plate deposition unit
One baffle 4 is provided with second baffle 19 between the electric flocculation unit and the suspended matter inclined plate sedimentation unit, in the oil
Third baffle 20 is provided between dirty sloping plate deposition unit and the electric flocculation unit.
Oil droplet and suspended particulate in oily wastewater is generally negatively charged, charges property according to it, can apply electric field work
With, make its generate directed movement.Oil-contained waste water treatment device provided by the invention combines coalescent deoiling, electric field under electric field
Adsorb the techniques such as oil removing and suspended matter, sloping plate deposition, electric flocculation.Oily waste degradation portion is based on oil removing, at oily waste degradation portion
The sewage of reason can remove in sewage 80% or more greasy dirt, and suspended matter removal portion is gone based on oil removal by suspended matter
Except the removal to suspended matter and smaller particle oil droplet may be implemented in the sewage of portion's processing, finally, Oil in Sewage Water may be implemented and hang
The removal rate of 95% or more floating object.
In one example, the greasy dirt coalescence unit includes electric coalescent pack 2, support plate with holes 3 and voltolisation knot cathode
Plate 8, the electricity coalescent pack 2 are set to one end of the sewage-treatment plant, and the water inlet 1 is located at the electric coalescent pack
2 middle part, the support plate 3 with holes are located at 2 lower part of the electric coalescent pack, the electricity coalescent pack 2 and power supply (not shown)
Anode is connected, and the voltolisation knot cathode plate 8 is located at the bottom of the sewage-treatment plant, the voltolisation knot cathode plate 8 and power supply
Cathode is connected.
In one example, the sewage-treatment plant further includes multiple collection tanks, and the collection tank is respectively arranged at institute
State 19 top of both ends top, 4 top of the first baffle and/or the second baffle of sewage-treatment plant.As preferred side
Collection tank 10 and collection tank 17 is respectively set on the both ends top of the sewage-treatment plant, on the second baffle 19 in case
Collection tank 11 and collection tank 18 is respectively set in portion two sides.
Specifically, the electric coalescent pack 2 is used as anode, and the voltolisation knot cathode plate 8 is used as cathode.Preferably, described
Voltolisation knot cathode plate 8 is stainless steel plate.
In one example, the electric coalescent pack 2 includes the multilayered structure mutually stacked, every layer of structure include framework and
The spaced spacer bar being set in the framework, and the interval of the spacer bar of every layer of structure successively increases along the vertical direction
Greatly, the spacer bar orientation of adjacent two layers structure is different, is provided with support construction between adjacent two layers structure.
Preferably, the spacer bar is stainless steel lath.The framework is stainless steel material.The adjacent two layers
The angle of the spacer bar orientation of structure is 90 ° or 45 °.
The oil droplet that negative electricity is had in sewage, in the electric field that voltolisation knot cathode plate 8 and electric coalescent pack 2 are formed, towards sun
Pole, i.e., electric 2 direction of coalescent pack movement.After small oil droplet is adsorbed in electric coalescent pack 2, mutually collision, coalescence, partial size
It becomes larger, completes coarse process.After small oil droplet coalescence is at larger oil droplet, ascent rate is accelerated, to be easy to water-oil separating.
In one example, the greasy dirt sloping plate deposition unit meets electric 7 and of slot including the first electrification inclined plate 5, the first inclined plate
Second inclined plate connects electric slot 6, and first inclined plate connects electric slot 7 and second inclined plate connects electric slot 6 and is located at first electrification
5 both ends of inclined plate, first inclined plate connect electric slot 7 and are connected with positive pole, and second inclined plate connects electric slot 6 and power cathode phase
Even.
Preferably, the first electrification inclined plate 5 is made of stainless steel plate.
Enter greasy dirt sloping plate deposition unit from electric 2 lower part of coalescent pack by the oil droplet of coarse, since the first electrification is oblique
The top of plate 5 is anode, has upward attraction to oil droplet, it is possible to accelerate the floating of oil droplet.
After greasy dirt sloping plate deposition unit oil removing, oil is enriched with sewage in the water surface, is received by collection tank 10 and collection tank 11
It walks, the sewage after oil removing can form sewage buffer area on the greasy dirt sloping plate deposition unit top.
In one example, the bottom of the sewage-treatment plant below the oily waste degradation portion is opposite slope
Type, the lowest part on slope are provided with the first sewage draining exit 9.
First sewage draining exit 9 empties sewage when being vented convenient for the sludge or sewage-treatment plant of discharge deposition.
In one example, the electric flocculation unit includes the first anode plate 12 being sequentially arranged, second plate plate 13,
One cathode plate 14 and the second cathode plate 15, the first anode plate 12 and first cathode plate 14 are located at the third baffle 20
On, the second plate plate 13 and second cathode plate position 15 are located on the second baffle 19, and four pieces of pole plates are in staggered row
Column.
Specifically, first anode plate 12 and second plate plate 13 are connected with positive pole, the first cathode plate 14 and the second yin
Pole plate 15 is connected with power cathode.
Preferably, first anode plate 12 and second plate plate 13 are made of aluminium sheet, the first cathode plate 14 and the second cathode
Plate 15 is made of stainless steel plate.
Preferably, the spacing between first anode plate 12 and second plate plate 13 is less than the first cathode plate 14 and
Spacing between two cathode plates 15.Such setting can obtain better separating effect.
Four pieces of pole plates have electric flocculation effect to sewage.Sewage zigzag is by four pieces of pole plates, and sewage is in the first anode
Coagulation is completed between plate 12 and second plate plate 13, flocculation is completed between the first cathode plate 14 and the second cathode plate 15 and is made
With.The suspended matter and oil droplet of the small particle contained in sewage act on forming big alumen ustum and oil droplet by coagulation-flocculation, sedimentation and
Ascent rate greatly increases, and is easy to remove from water.
In one example, the suspended matter inclined plate sedimentation unit connects electric slot including the second electrification inclined plate 16, third inclined plate
22 and the 4th inclined plate connect electric slot 23, the third inclined plate connects electric slot 22 and the 4th inclined plate connects electric slot 23 and is located at described
Two electrification 16 both ends of inclined plate, the third inclined plate connect electric slot 22 and are connected with power cathode, and the 4th inclined plate connects electric slot 23 and electricity
Source anode is connected.
Preferably, the second electrification inclined plate 6 is made of stainless steel plate.
Sewage by electric flocculation enters suspended matter inclined plate sedimentation unit from 15 lower part of the second cathode plate, due to the second electrification
The lower part in 16 every groups of inclined plate channels of inclined plate is anode, and suspended material is generally negatively charged, and institute is so that underlying band electricity inclined plate is to outstanding
The absorption of floating object matter, and then accelerate the sinking of suspended material, it is conducive to its removal.
For sewage after suspended matter inclined plate sedimentation unit, the greasy dirt in sewage floats up to the water surface, by collection tank 17 and receives
Oil groove 18 collects removal.
Preferably, the water outlet 21 be set to the clc layer that is formed after the suspended matter inclined plate sedimentation unit with
Under, it is preferably separated convenient for greasy dirt and purified purified water.
In one example, the sludge settling upgrading unit is infundibulate, and sludge settling upgrading unit bottom is set
It is equipped with the second sewage draining exit 24.
The suspended matter to sink by suspended matter inclined plate sedimentation unit further assembles concentration by sludge settling upgrading unit,
It is discharged finally by the second sewage draining exit 24.
One embodiment is given below in the solution of the present invention and its effect for ease of understanding.Those skilled in the art should manage
Solution, only for the purposes of understanding the present invention, any detail is not intended to be limit the invention in any way the embodiment.
Embodiment
As depicted in figs. 1 and 2, the present invention provides a kind of oil-contained waste water treatment device, which includes: water inlet 1, goes out
The mouth of a river 21, oily waste degradation portion and suspended matter removal portion；Wherein, the oily waste degradation portion includes greasy dirt coalescence unit and greasy dirt inclined plate
Precipitation unit is provided with first baffle 4 between the greasy dirt coalescence unit and the greasy dirt sloping plate deposition unit；The greasy dirt is poly-
Statement of account member and greasy dirt sloping plate deposition unit are charged elements；Suspended matter removal portion includes that electric flocculation unit, suspended matter are oblique
Plate sedimentation unit and sludge settling upgrading unit are provided between the electric flocculation unit and the suspended matter inclined plate sedimentation unit
Second baffle 19, the sludge settling upgrading unit are set to the suspended matter inclined plate sedimentation unit lower part；The electric flocculation list
Member and suspended matter inclined plate sedimentation unit are charged elements；It is set between the greasy dirt sloping plate deposition unit and the electric flocculation unit
It is equipped with third baffle 20.The sewage-treatment plant further includes multiple collection tanks, wherein at the both ends of the sewage-treatment plant
Collection tank 10 and collection tank 17 is respectively set in top, and collection tank 11 is respectively set in the 19 top two sides of second baffle and receives oil
Slot 18.
The greasy dirt coalescence unit includes electric coalescent pack 2, support plate with holes 3 and voltolisation knot cathode plate 8, the voltolisation knot
Filler 2 is set to one end of the sewage-treatment plant, and the water inlet 1 is located at the middle part of the electric coalescent pack 2, the band
Hole support plate 3 is located at 2 lower part of the electric coalescent pack, and the electricity coalescent pack 2 is connected with positive pole, the voltolisation knot cathode
Plate 8 is located at the bottom of the sewage-treatment plant, and the voltolisation knot cathode plate 8 is connected with power cathode, the voltolisation knot cathode
Plate 8 is stainless steel plate；Wherein, the electric coalescent pack 2 includes the multilayered structure mutually stacked, and every layer of structure includes framework and set
The spaced spacer bar being placed in the framework, and the interval of the spacer bar of every layer of structure is sequentially increased along the vertical direction,
The spacer bar orientation of adjacent two layers structure is different, and support construction is provided between adjacent two layers structure, and the spacer bar is not
Become rusty steel plate strip, the framework be stainless steel material, the angle of the spacer bar orientation of the adjacent two layers structure be 90 ° or
45°；The greasy dirt sloping plate deposition unit includes the first electrification inclined plate 5, the first inclined plate connects electric slot 7 and the second inclined plate meets electric slot 6, institute
State that the first inclined plate connects electric slot 7 and second inclined plate connects electric slot 6 and is located at first electrification, 5 both ends of inclined plate, described first
Inclined plate connects electric slot 7 and is connected with the top inclined plate in inclined plate channel, and is connected with positive pole, and two inclined plate connects electric slot 6 and inclined plate
The lower part inclined plate in channel is connected, and is connected with power cathode, and the first electrification inclined plate 5 is made of stainless steel plate；The oil
The bottom of the sewage-treatment plant below dirty removal portion is opposite ramp type, and the lowest part on slope is provided with first row
Dirty mouth 9.
The electric flocculation unit includes the first anode plate 12 being sequentially arranged, second plate plate 13,14 and of the first cathode plate
Second cathode plate 15, the first anode plate 12 and first cathode plate 14 are located in the third baffle 20, and described second
Anode plate 13 and second cathode plate position 15 are located on the second baffle 19, and four pieces of pole plates are in be staggered, and described first
Anode plate 12 and the second plate plate 13 are made of aluminium sheet, and first cathode plate 14 and second cathode plate 15 use
Stainless steel plate is made, and the spacing between the first anode plate 12 and the second plate plate 13 is less than first cathode plate 14
Spacing between second cathode plate 15；The suspended matter inclined plate sedimentation unit is oblique including the second electrification inclined plate 16, third
Plate connects electric slot 22 and the 4th inclined plate connects electric slot 23, and the third inclined plate connects electric slot 22 and the 4th inclined plate connects electric slot 23 and distinguishes position
In second electrification, 16 both ends of inclined plate, the third inclined plate connects electric slot 22 and is connected with the top inclined plate in inclined plate channel, and with electricity
Source cathode is connected, and four inclined plate connects electric slot 23 and is connected with the lower part inclined plate in inclined plate channel, and is connected with positive pole, and described the
Two electrification inclined plates 6 are made of stainless steel plate；The sludge settling upgrading unit is infundibulate, the sludge settling upgrading unit
Bottom is provided with the second sewage draining exit 24.
Another aspect provides a kind of sewage water treatment methods, and this method comprises the following steps:
Greasy dirt coalescence processing, sewage enters the greasy dirt by the water inlet 1 and coalesces unit, under electric microfield effect,
It is moved to positively charged 2 direction of electric coalescent pack, realizes oil droplet coarse；
Oil removal treatment, the sewage by greasy dirt coalescence processing are made in oil droplet acceleration by greasy dirt sloping plate deposition unit
It is floating to be enriched in above the water surface, greasy dirt is collected by collection tank；
Coagulation-flocculation processing, the sewage by the oil removal treatment enter the electric flocculation unit, under electric flocculation effect,
To in sewage suspended matter and remaining greasy dirt carry out the coagulation-flocculation processing；
Oil removing and suspended matter processing pass through the suspended matter inclined plate sedimentation unit by the sewage that the coagulation-flocculation is handled
Realize that suspended matter accelerates the floating sunk with oil residues, so that the suspended matter of the sinking is dense by the sludge settling
The discharge of contracting unit, the oil residues are collected by collection tank, and purified sewage is discharged by the water outlet 21.
Specifically, under electric flocculation effect, anode generates Al ion, to the suspended matter in sewage when coagulation-flocculation is handled
The coagulation-flocculation processing is carried out with remaining greasy dirt.
Due in oily wastewater oil droplet and suspended particulate it is generally negatively charged, according to its charge property, the present invention provide
Oil-contaminated water processing method, its can be made to generate directed movement by applying electric field, and then realize electric field absorption oil removing and outstanding
Floating object.
The embodiment of the present invention is described above, above description is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.Without departing from the scope and spirit of embodiment described, for the art
Those of ordinary skill for many modifications and changes are obvious.
Claims (10)
1. a kind of oil-contained waste water treatment device, which is characterized in that the device includes: that water inlet (1), water outlet (21), greasy dirt are gone
Except portion and suspended matter removal portion；
Wherein, the oily waste degradation portion includes greasy dirt coalescence unit and greasy dirt sloping plate deposition unit, the greasy dirt coalescence unit and
First baffle (4) are provided between the greasy dirt sloping plate deposition unit；The greasy dirt coalescence unit and the greasy dirt sloping plate deposition
Unit is charged elements；
Suspended matter removal portion includes electric flocculation unit, suspended matter inclined plate sedimentation unit and sludge settling upgrading unit, described
It is provided between electric flocculation unit and the suspended matter inclined plate sedimentation unit second baffle (19), the sludge settling upgrading unit
It is set to the suspended matter inclined plate sedimentation unit lower part；The electric flocculation unit and suspended matter inclined plate sedimentation unit are that electrification is single
Member；
Third baffle (20) are provided between the greasy dirt sloping plate deposition unit and the electric flocculation unit.
2. oil-contained waste water treatment device according to claim 1, wherein the greasy dirt coalescence unit includes electric coalescent pack
(2), support plate (3) with holes and voltolisation knot cathode plate (8), the electricity coalescent pack (2) are set to the sewage-treatment plant
One end, the water inlet (1) are located at the middle part of the electric coalescent pack (2), and the support plate (3) with holes is located at the voltolisation knot
Filler (2) lower part, the electricity coalescent pack (2) are connected with positive pole, and the voltolisation knot cathode plate (8) is located at the sewage
The bottom of device is managed, the voltolisation knot cathode plate (8) is connected with power cathode.
3. oil-contained waste water treatment device according to claim 2, wherein the electricity coalescent pack (2) includes mutually stacking
Multilayered structure, every layer of structure includes framework and the spaced spacer bar that is set in the framework, and along the vertical direction
The interval of the spacer bar of every layer of structure is sequentially increased, and the spacer bar orientation of adjacent two layers structure is different, adjacent two layers structure
Between be provided with support construction.
4. oil-contained waste water treatment device according to claim 1, wherein the greasy dirt sloping plate deposition unit includes first band
Electric inclined plate (5), the first inclined plate connect electric slot (7) and the second inclined plate connects electric slot (6), and first inclined plate connects electric slot (7) and described
Two inclined plates connect electric slot (6) and are located at first electrification inclined plate (5) both ends, and first inclined plate is connecing electric slot (7) and power supply just
Extremely it is connected, second inclined plate connects electric slot (6) and is connected with power cathode.
5. oil-contained waste water treatment device according to claim 1, wherein at the sewage below the oily waste degradation portion
The bottom for managing device is opposite ramp type, and the lowest part on slope is provided with the first sewage draining exit (9).
6. oil-contained waste water treatment device according to claim 1, wherein the electric flocculation unit includes be sequentially arranged
One anode plate (12), second plate plate (13), the first cathode plate (14) and the second cathode plate (15), the first anode plate (12)
It is located in the third baffle (20) with first cathode plate (14), the second plate plate (13) and second cathode plate
Position (15) is located on the second baffle (19), and four pieces of pole plates are in be staggered.
7. oil-contained waste water treatment device according to claim 1, wherein the suspended matter inclined plate sedimentation unit includes second
Charge inclined plate (16), third inclined plate connects electric slot (22) and the 4th inclined plate connects electric slot (23), the third inclined plate connect electric slot (22) and
4th inclined plate connects electric slot (23) and is located at second electrification inclined plate (16) both ends, and the third inclined plate connects electric slot (22)
It is connected with power cathode, the 4th inclined plate connects electric slot (23) and is connected with positive pole.
8. oil-contained waste water treatment device according to claim 1, wherein the sludge settling upgrading unit is infundibulate,
Sludge settling upgrading unit bottom is provided with the second sewage draining exit (24).
9. oil-contained waste water treatment device according to claim 1, wherein the sewage-treatment plant further includes multiple receipts oil
Slot, the collection tank are respectively arranged at the both ends top of the sewage-treatment plant, the first baffle (4) top and/or institute
State second baffle (19) top.
10. a kind of sewage water treatment method using oil-contained waste water treatment device described in any one of claim 1-9, special
Sign is that this method comprises the following steps:
Greasy dirt coalescence processing, sewage enters the greasy dirt by the water inlet (1) and coalesces unit, under electric microfield effect, to
Electricity coalescent pack (2) direction movement, realizes oil droplet coarse；
Oil removal treatment, the sewage by greasy dirt coalescence processing make oil droplet accelerate the richness that floats by greasy dirt sloping plate deposition unit
It combines in above the water surface, greasy dirt is collected by collection tank；
Coagulation-flocculation processing, the sewage by the oil removal treatment enter the electric flocculation unit, under electric flocculation effect, to dirt
Suspended matter and remaining greasy dirt in water carry out the coagulation-flocculation processing；
Oil removing and suspended matter processing, are realized by the sewage that the coagulation-flocculation is handled by the suspended matter inclined plate sedimentation unit
Suspended matter accelerates the floating sunk with oil residues, so that the suspended matter of the sinking is single by sludge settling concentration
Member discharge, the oil residues are collected by collection tank, and purified sewage is discharged by the water outlet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892686.3A CN109553241B (en) | 2017-09-27 | 2017-09-27 | Oily sewage treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892686.3A CN109553241B (en) | 2017-09-27 | 2017-09-27 | Oily sewage treatment device and method |
Publications (2)
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| CN111439817A (en) * | 2020-03-20 | 2020-07-24 | 山东建筑大学 | Reciprocating type folded plate coupling inclined plate sedimentation tank device and use method thereof |
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| CN109553241B (en) | 2021-10-29 |
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