CN107162106B - A kind of pair of oily wastewater carries out the separator of water-oil separating - Google Patents
A kind of pair of oily wastewater carries out the separator of water-oil separating Download PDFInfo
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- CN107162106B CN107162106B CN201710444458.XA CN201710444458A CN107162106B CN 107162106 B CN107162106 B CN 107162106B CN 201710444458 A CN201710444458 A CN 201710444458A CN 107162106 B CN107162106 B CN 107162106B
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- tube body
- lower clapboard
- upper spacer
- oil
- water
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Removal Of Floating Material (AREA)
Abstract
The present invention provides the separators that a kind of pair of oily wastewater carries out water-oil separating, comprising: tube body, generally horizontal S-shaped distribution including more coil pipes being set side by side, and are separately connected the bend pipe of adjacent coil pipe；Rotation separator is played outside, it is mounted in the tube body, including the upper spacer and lower clapboard installed along the axial horizontal interval of the tube body, with the rotation column of interval connection upper spacer and lower clapboard, it is provided with recess on the side that upper spacer and lower clapboard are contacted with the tube body, rotation column is played as hollow pipe and upper and lower ends is communicated with upper spacer and lower clapboard respectively；Packet is collected, for collecting and being discharged the oil isolated in the tube body, the upper surface of the tube body is periodically installed in a manner of communicating with the tubular body.The present invention can achieve good oil-water separation, no matter for pre- (or thick) or fine separation process, reaches the almost all from the water outlet pipe inner part discharge liquor of horizontal and contains Free water.
Description
Technical field
The present invention relates to water-oil separating fields, carry out oil to oil-water mixture in the way of contour stealth more particularly to a kind of
The separator of water separation.
Background technique
In oil exploitation industry, as most oilfields exploitation enters the high water cut stage of middle and later periods, crude oil Produced Liquid
Moisture content is continuously improved.Produced Liquid is aqueous not only to cause crude oil ageing equipment in deposit conveying refining process fast, increases operation
Load, increasing energy consumption, and easily cause and rush that tower, clog pipeline, the operation of atmospheric and vacuum tower be abnormal, catalyst
The serious consequences such as poisoned.Therefore dehydration or crude separation must be carried out before crude oil exporting, it is desirable that moisture content is no more than 0.5%.
Thus crude oil dehydration or crude separation are constantly subjected to the attention of engineering circles, also become an indispensable ring in oilfield development process
Section.
Generally, oily-water seperating equipment be the highly important processing unit of one of oilfield exploitation and last handling process and
Equipment, external output oil is aqueous and sewage with oil will generate direct influence.The exploratory development for passing through many years both at home and abroad, obtains
A variety of oily water separation techniques, such as heat sink drop partition method, electrochemical process, high-frequency impulse method, microwave irradiation, bioanalysis.
The most commonly used is the hybrid techniques that heat sink drop partition method is combined with chemical demulsification method in oil field at present.First to crude oil cream
Chemical demulsifier (i.e. dosing process) is added in shape Produced Liquid, to reduce the interfacial film strength and interfacial tension of emulsification water droplet,
It prevents oil water mixture from further emulsifying, destroys the crude oil emulsion formed, reduce the viscosity of oil water mixture, accelerate oil
Water separation, and the cohesion of the interfacial film of emulsification water droplet periphery can be destroyed, merge water droplet, partial size increases and reaches grease point
The purpose of layer；Then the mixing liquid after addition emulsifier is imported into special heating settler and carries out hot sedimentation separation
(i.e. boiler heating procedure) increases water-oil phase to the solubility of emulsifier wherein oil water interfacial tension can both be reduced by heating,
Weaken emulsion liquid film and be conducive to coalescence, and viscosity of crude can be reduced, increase molecular thermalmotion, is conducive to the coalescence of liquid pearl, from
And improve dehydration efficiency；Then the difference for recycling grease density after heating, it is using gravity that the water in emulsion is natural
It settles down, achievees the effect that water-oil separating.The traditional handicraft can effectively remove most water in suspension in crude oil, equipment letter
It is single easy to operate；But precipitation apparatus is in large scale, time-consuming for infall process, causes energy consumption higher because of heating, and because of addition
A large amount of chemical agents and there are environmental issues.
In addition, such as carrying out pre-dehydration using three phase separator or water conservancy cyclone, but de- there are also other new processes or device
Water efficiency and its adaptability are still undesirable；And when come hydraulic coupling it is lower when, need to supplement energy improve pressure be just able to satisfy dehydration
It is required that.Therefore, be becoming tight current energy day and country advocate environmentally protective today energetically, need to improve the traditional handicraft or
New (pre-) dehydration device or oily-water seperating equipment are proposed, to realize the requirement of energy-saving and emission-reduction, especially for high water-content crude oil
Produced Liquid or oily wastewater.
Summary of the invention
The invention aims to provide a kind of separator that water-oil separating can be carried out to oily wastewater.
Particularly, the present invention provides the separator that a kind of pair of oily wastewater carries out water-oil separating, comprising:
Tube body, for the liquid to be separated that circulates, generally horizontal S-shaped distribution, including more coil pipes being set side by side, with
And it is separately connected the bend pipe of adjacent coil pipe；
Rotation separator is played outside, is mounted in the tube body, it is upper including being installed along the axial horizontal interval of the tube body
Partition and lower clapboard, and rise rotation column, upper spacer and the lower clapboard of interval connection upper spacer and lower clapboard are contacted with the tube body
It is provided with recess on side, plays rotation column as hollow pipe and upper and lower ends is communicated with upper spacer and lower clapboard respectively；
Packet is collected, for collecting and being discharged the oil isolated in the tube body, in a manner of communicating with the tubular body
It is periodically installed at the upper surface of the tube body.
In an embodiment of the invention, the diameter of each coil pipe is consistent in the tube body.
In an embodiment of the invention, the diameter of each coil pipe is inconsistent in the tube body.
In an embodiment of the invention, the upper spacer and the lower clapboard are to be respectively facing the tube body top
With the arc panel of lower part.
In an embodiment of the invention, the upper spacer and the lower clapboard are the plate being parallel to each other.
In an embodiment of the invention, the notch position on the upper spacer and the lower clapboard mutually staggers.
In an embodiment of the invention, the recess on the upper spacer be distributed in liquid approach axis front and
Middle part, and the recess on the lower clapboard is distributed in the middle part and rear portion of liquid approach axis.
In an embodiment of the invention, it is provided in the corner of the tube body and is divided into the tube body level
Lower two layers of horizontal stabilier.
In an embodiment of the invention, it is equipped with vertically in the intracorporal outer tail end for playing rotation separator of the pipe
Baffle.
In an embodiment of the invention, described collect includes the housing being connected to the body upper surface,
It is horizontally installed with two pieces of corrugated platings mutually staggered in housing, filler packet is closed between two pieces of corrugated platings, on the top of housing
Portion is provided with the oil spilling mouth that internal oil-collecting is discharged.
Separator of the invention can achieve good oil-water separation, no matter for pre- (or thick) or fine separation
Process reaches the almost all from the water outlet pipe inner part discharge liquor of horizontal and contains Free water；This part Free water drain
Sewage treatment plant can be directly entered by branch line or is used as reinjected water；And what oil content dramatically increased is wrapped by collecting
The oil of discharge then can be collected directly, or carry out advanced treating according to tradition or other grease process flows.
Detailed description of the invention
Fig. 1 is the separator structural schematic diagram of one embodiment of the present invention；
Fig. 2 is the tubular body structural schematic diagram of one embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram of the outer rotation separator of one embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section that arcuate structure is used in one embodiment of the present invention；
Fig. 5 is the diagrammatic cross-section that parallel construction is used in one embodiment of the present invention；
Fig. 6 is the coil pipe schematic cross-section of one embodiment of the present invention；
Fig. 7 is the coil pipe schematic cross-section of another embodiment of the present invention.
Specific embodiment
As shown in Figure 1, 2, 3, the separator of one embodiment of the present invention generally include one for circulate to
The tube body 10 for separating liquid is mounted on the outer rotation separator 20 that water-oil separating in liquid is realized in tube body 10, and installation
It is used to collect and be discharged collection packet 30 oily after separating on tube body 10.
The tube body is distributed in horizontal S-shaped (or snakelike), including the horizontal more coil pipes 14 being set side by side, and is separately connected
The bend pipe 13 of adjacent two coil pipes 14.
The outer rotation separator 20 include be mounted on along the axial horizontal interval of tube body 10 in every coil pipe 14 on every
Plate 21 and lower clapboard 22, vertical connection is fixedly connected between upper spacer 21 and lower clapboard 22 plays rotation column 23,21 He of upper spacer
Inner sidewall of the lower clapboard 22 by side respectively with coil pipe 14 is fixed, in the side that upper spacer 21 and lower clapboard 22 are contacted with coil pipe 14
It is arranged at intervals with recess 24 on side, plays that rotation column 23 is hollow tube and is provided with multiple, interval is fixed in the way of a row
Between partition 21 and lower clapboard 22, spacing distance is equal and upper and lower ends are communicated with upper spacer 21 and lower clapboard 22 respectively.
The upper surface that packet 30 is periodically installed at coil pipe 14 is collected, is communicated in bottom and coil pipe 14, top is provided with oil extraction
Mouth 34, for collecting the oil and discharge that 14 top of coil pipe is isolated.
In present embodiment, tube body 10 can be divided into using S-shaped bending arrangement, each coil pipe 14 by the sequence after bending
Level-one coil pipe, secondary coil, three-level coil pipe etc. are parallel to each other between coil pipes 14 at different levels.One end of tube body 10 is to come with mixed liquor
The liquid feeding end 11 of pipe connection, the other end are the outlet side 12 of the liquid outflow after separation.Every coil pipe can be directed to by collecting packet 30
14 install one respectively, can also install according to fluidity matter is carried out on specified coil pipe 14, and installation site can also basis
Liquid flowing state is mounted on the end or tail portion of each coil pipe 14.
When the mixing of oily wastewater, which carrys out liquid, to be entered in tube body 10 from liquid feeding end 11, in the cyclonic action of gravity and rotation column 23
Under, sump oil gradually floats after gathering simultaneously, passes through the recess risen on 22 side of channel or upper spacer 21 and lower clapboard among rotation column
24 enter the upper space of upper spacer 21, and are gathered into sump oil layer liquid in the upper flow of stage coil pipe 14, and flowing over
Constantly gathered in journey simultaneously, wherein in flow process, in upper space the liquid of low oil-containing can by the intermediate channel of rotation column 23 or
The lower space that the recess 24 of upper spacer is divided into lower clapboard 22, and in lower space high oily liq then can by rotation column 23
Intermediate channel or lower clapboard side recess 24 enter upper space, positioned at upper space liquid overflow drive under,
In sump oil layer finally converge in the collection packet 30 of 14 top of each coil pipe, be then discharged by the top for collecting packet 30；And low contain
Oily mixed liquor then goes successively to junior's coil pipe 14, and further progress grease finely separates, and eventually passes through 14 separation of stage coil pipe
Afterwards, clear water is discharged from the outlet side 12 of tube body 10, and sump oil can then be collected packet 30 completely and collect and be expelled to specified storage position
It sets.
Present embodiment can be according to live specific environment and water-oil separating requirement, 10 shape of tube body being designed correctly (packet
Include series) and the outer size for playing rotation separator 20, and collect the size and quantity of packet 30.When liquid is by the entrance of tube body 10
Into after 10 inside of tube body, by playing the blocking of rotation column 23, liquid can be made to form an eddy flow, rotation at the rear for playing rotation column 23
Stream can make the grease in liquid realize poly- and and lifting.Multiple rotation columns 23 can constantly strengthen rotation intensity, to mention
High oil-water separation.Upper spacer 21 and lower clapboard 22 can prevent from being driven by eddy flow again by isolated grease, so that
Eddy flow only occurs between upper spacer 21 and lower clapboard 22, and recess 24 can then make the grease after separation respectively enter top sky
Between and lower space.
The trailing vortex that outer rotation separator 20 in present embodiment is generated using flow around bluff bodies, swirl strength are relatively existing
There is the interior flow pattern cyclone of technology weaker；For fluid when tubular body has passed through rotation column 23, there are Liang Zhong velocity flow profile areas
Domain --- central region flow velocity is higher, and wall area flow velocity is lower, is conducive to water-oil separating when the latter one flow velocity is lower itself,
Therefore only need to consider the water-oil separating of central area；Furthermore this separator belongs to style of opening, therefore does not need to be specifically designed
Specific pipeline is to realize that all fluids all have to pass through the cyclone and wrap the cyclone.
Present embodiment can achieve good oil-water separation and all may be used no matter for rough segmentation or fine separation process
To reach from the liquid that tube body is discharged water content 98% or more, and the water being discharged can be directly entered sewage treatment plant or
It is used as reinjected water.Sump oil receipts can then be entered by respective line by collecting the sump oil that the oil content that packet proposes dramatically increases
In acquisition means, or enters in other sump oil treatment facilities and carry out advanced treating.
In an embodiment of the invention, tube body 10 can be interconnected to form by the consistent coil pipe 14 of diameter, i.e.,
Each coil pipe 14 is all using same diameter, and the two-port of bend pipe 13 is parallel to each other and can be at same plane, so that after connection
It is parallel to each other between coil pipes 14 at different levels.The structure is suitble to rough segmentation separating process, does not need in the technique to upper spacer 21, lower clapboard 22
It modifies with playing rotation column 23 and collecting 30 quantity of packet.
In other embodiments, entire tube body can also be interconnected to form by the inconsistent coil pipe 14 of diameter, i.e.,
The diameter of each coil pipe is inconsistent.The structure is adapted for carrying out fine separating technology, can be significantly reduced by widened 14 diameter of coil pipe
The flow velocity for carrying out liquid, generating weak eddy flow using the trailing vortex that falls off for playing rotation column 23 can be improved the poly- simultaneously efficiency of fine oil droplets, recycle grease
Density contrast realizes Gravity Separation, floated after upper spacer 21 and lower clapboard 22 and the convergence of 14 inside edge of coil pipe by recess 24 or
Sink, respectively enters the low oil-containing mixing liquid layer rich in sump oil layer and bottom at top.It is being flowed in the mixed liquor of top and bottom
A small amount of top clear water and bottom can be discharged respectively by an intermediate 23 both ends through-hole of rotation column after further separating during moving
Oil slick.The quantity for wrapping 30 is collected further, it is also possible to increase to improve collection frequency.
As shown in figure 4, in an embodiment of the invention, upper spacer 21 and lower clapboard 22 can be to be respectively facing pipe
The arc panel of 10 upper and lower surfaces of body, i.e., the arc phase that the two sides of upper lower clapboard are bent to centerline direction, and are formed
It is right.
As shown in figure 5, upper spacer 21 and lower clapboard 22 are also possible to the structure being parallel to each other.In addition, to avoid influencing dividing
From effect, 24 position of each recess on upper spacer 21 and lower clapboard 22 is mutually staggered.
As shown in Figure 6,7, arrow direction therein is the approach axis of liquid, in an embodiment of the invention,
The liquid that recess 24 on upper spacer 21 can be distributed in coil pipe 14 enters the front and middle part of one end, and on lower clapboard 22
Recess 24 can then be distributed in the liquid of coil pipe 14 middle part and rear portion of one end is discharged.This is because oily wastewater enters pipeline
It after outer interior rotation separator 20, can preferentially drain sump oil, then be then exhausted from clear water, above structure can be to avoid separating simultaneously
When grease, fine oil droplets are prematurely taken away and influence separating effect by flowing downward for formation.
In an embodiment of the invention, rotation column is played in arrangement, can be alternatively arranged into one in single mode
Column；Can also be set gradually by single double alternate modes sequence, wherein two be set side by side rise between rotation equally mutually every
It opens.
The specific cross sectional shape for applying column or the shape of rising can the bluff bodies cross-section structure such as circle, rectangle, triangle, diamond shape
Form (not shown).
Its shape of rotation column that rises arranged in a line can be uniform shapes, such as round；It is also possible to different cross section shape
Play rotation column combination, such as:, latter half of setting triangle round by first half setting.
Specific arrangement can be selected according to according to the difference of flow velocity, as selected circular cross-section when high flow velocities,
Triangular-section is selected when compared with low flow velocity.
In an embodiment of the invention, it can be set in the bend pipe 13 of tube body 10 and be divided into its inner horizontal
Lower two layers of horizontal stabilier 15.Since bend pipe can generate the secondary flow recycled up and down in fluid low-speed flow, to destroy
The natural gravity separating effect of grease, and arrange horizontal stabilier 15, can utmostly weaken has had certain separation
The grease of degree is layered the disturbance by secondary flow.
Further, when collect packet 30 be mounted on the tail end of certain level-one coil pipe 14 when, need in this grade of coil pipe 14 every
The tail end of plate 21 and lower clapboard 22, which retains, installs vertical baffle 16 at the downstream of certain interval.Vertical baffle 16, which can reduce, to be located at
The movement velocity of sump oil layer in the upper space of upper spacer 21 enables sump oil to have time enough to enter collection packet to zero
30, at the same can further prevent the stable isolated sump oil layer in upper layer and middle layer around upper spacer 21, lower clapboard 22 and into
Enter next stage coil pipe 14.
In an embodiment of the invention, it is specific collect packet 30 may include be mounted on 10 upper surface of tube body and with
The housing 31 that tubular body communicates is horizontally installed with two pieces of corrugated platings mutually staggered 32 in housing 31, in two pieces of corrugated platings
Closing is equipped with filler packet 33 between 32, and the top of housing 31 is provided with the oil discharge outlet 34 with discharge interior oil.
Blowdown valve can be installed at oil discharge outlet 34, the flow for overflowing sump oil is adjusted by the aperture of control of sewage disposal valve.It is right
The oil content come in liquid can not generally obtain determining value in advance, can only estimate average oil content in the sewage for carrying out liquid every time, therefore
When encountering special flow operating mode, blowdown valve can have the function of automatic adjustment blowdown oil stream amount, so that blowdown deficiency be avoided to lead
Excessive sump oil is caused to enter clear water and destroy oil-water separation.
In an embodiment of the invention, separator can be combined with other isolation technics and be jointly processed by, such as
In tube body 10 and/or installation gas floatation separation device at packet 30 is collected, to improve separating effect.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. the separator that a kind of pair of oily wastewater carries out water-oil separating characterized by comprising
Tube body, for the liquid to be separated that circulates, generally horizontal S-shaped distribution, including more coil pipes being set side by side, Yi Jifen
The bend pipe of adjacent coil pipe is not connected；
Rotation separator is played outside, is mounted in the tube body, including the upper spacer installed along the axial horizontal interval of the tube body
And lower clapboard, and the side of interval connection upper spacer and lower clapboard playing rotation column, upper spacer and lower clapboard and being contacted with the tube body
On be provided with recess, playing rotation column is that hollow pipe and upper and lower ends are communicated with upper spacer and lower clapboard respectively；
Collect packet, for collecting and being discharged the oil isolated in the tube body, the interval in a manner of communicating with the tubular body
Ground is mounted on the upper surface of the tube body, and the collection includes the housing being connected to the body upper surface, the water in housing
Safety is equipped with two pieces of corrugated platings mutually staggered, is closed with filler packet between two pieces of corrugated platings, is provided at the top of housing
The oil spilling mouth of internal oil-collecting is discharged.
2. separator according to claim 1, which is characterized in that
The diameter of each coil pipe is consistent in the tube body.
3. separator according to claim 1, which is characterized in that
The diameter of each coil pipe is inconsistent in the tube body.
4. separator according to claim 2 or 3, which is characterized in that
The upper spacer and the lower clapboard are the arc panel for being respectively facing the tube body upper and lower part.
5. separator according to claim 2 or 3, which is characterized in that
The upper spacer and the lower clapboard are the plate being parallel to each other.
6. separator according to claim 1, which is characterized in that
Notch position on the upper spacer and the lower clapboard mutually staggers.
7. separator according to claim 6, which is characterized in that
Recess on the upper spacer is distributed in the front and middle part of liquid approach axis, and the recess distribution on the lower clapboard
At the middle part and rear portion of liquid approach axis.
8. separator according to claim 1, which is characterized in that
It is provided in the corner of the tube body and the tube body level is divided into bilevel horizontal stabilier.
9. separator according to claim 1, which is characterized in that
Vertical baffle is installed in the pipe intracorporal outer tail end for playing rotation separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444458.XA CN107162106B (en) | 2017-06-13 | 2017-06-13 | A kind of pair of oily wastewater carries out the separator of water-oil separating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444458.XA CN107162106B (en) | 2017-06-13 | 2017-06-13 | A kind of pair of oily wastewater carries out the separator of water-oil separating |
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| CN107162106A CN107162106A (en) | 2017-09-15 |
| CN107162106B true CN107162106B (en) | 2019-07-30 |
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| CN201710444458.XA Active CN107162106B (en) | 2017-06-13 | 2017-06-13 | A kind of pair of oily wastewater carries out the separator of water-oil separating |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617232A (en) * | 2017-09-28 | 2018-01-23 | 江西清华泰豪三波电机有限公司 | A kind of water-oil separating fluid reservoir |
| CN108191001B (en) * | 2018-01-08 | 2019-06-14 | 中国科学院力学研究所 | A kind of oily-water seperating equipment |
| CN111137946A (en) * | 2018-11-05 | 2020-05-12 | 安徽恩蔓智能科技有限公司 | Dirty oil recovery device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173814U (en) * | 2011-06-16 | 2012-03-28 | 吴亮樽 | Pipeline type oil-water separator |
| CN202933518U (en) * | 2012-11-21 | 2013-05-15 | 安徽理工大学 | Oil-water separation pipe |
| CN106517402A (en) * | 2016-11-29 | 2017-03-22 | 森松（江苏）重工有限公司 | Tubular oil and water separation device |
-
2017
- 2017-06-13 CN CN201710444458.XA patent/CN107162106B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173814U (en) * | 2011-06-16 | 2012-03-28 | 吴亮樽 | Pipeline type oil-water separator |
| CN202933518U (en) * | 2012-11-21 | 2013-05-15 | 安徽理工大学 | Oil-water separation pipe |
| CN106517402A (en) * | 2016-11-29 | 2017-03-22 | 森松（江苏）重工有限公司 | Tubular oil and water separation device |
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