CN105542840B - Oil-water separation method and structure that a kind of utilization helical curvature of space drives - Google Patents
Oil-water separation method and structure that a kind of utilization helical curvature of space drives Download PDFInfo
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- CN105542840B CN105542840B CN201510902180.7A CN201510902180A CN105542840B CN 105542840 B CN105542840 B CN 105542840B CN 201510902180 A CN201510902180 A CN 201510902180A CN 105542840 B CN105542840 B CN 105542840B
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- oil
- demarcation strip
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- curvature
- scroll
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
-
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
Abstract
The oil-water separation method and structure driven the invention discloses a kind of utilization helical curvature of space, the curvature of space driving force that the oil droplet that methods described is based in oil water mixture is subject in scroll curved surface, make at oil droplet displacement to certain enrichment, and utilize the capillary force of micropore set by enrichment, realize water-oil separating, the structure include some regularly arranged scroll blades and be arranged on, the demarcation strip of downside, wherein scroll blade is provided with lipophile structure with demarcation strip, and some micropores are offered on the demarcation strip.Compared to prior art, its have separation rapidly and efficiently, required less energy consumption, the pollution caused without chemical addition agent and the various features such as be widely used.
Description
Technical field
The present invention relates to chemical field and environmentally friendly sciemtifec and technical sphere, the profit that specially a kind of utilization helical curvature of space drives
Separation method and structure.
Background technology
As the development of society, China are increasing for the demand of the energy, oil is used as industrial blood, its demand
It is also growing.Stabilization oil supply is the basis of social stability development, is one of grand strategy guarantee of China, and this is to oil
The production in field proposes more difficult task.But as Chinese many oil fields enter high water-cut stage, crude oil is often with oil
The form of drop is produced in being entrained in water.For this quasi-oil, existing main method is that the separation of profit is realized by being electrolysed,
But the method energy consumption is big, and operational hazards are unsuitable for large area and use.
Meanwhile, the discharge of oil-containing industrial water generates serious pollution to environment.Oil-containing industrial water enters rivers lake
Hai Hou, the oil film covering water surface, causes water body dissolved oxygen amount to reduce, and influences the growth of algae, and harmful substance in waste water to lead to
Cross food chain enrichment, the healthy generation serious harm to the mankind.The discharge of oily waste water is also a kind of serious waste, if
Water-oil separating can be carried out, then they can be used as regenerated resources.But due in oily waste water, oil droplet can with small,
General oil-water separation method effect is poor, high energy consumption.
The patent application of Publication No. CN104743637A discloses a kind of oil-water separation box and the oil using this Seperating box
Water separation device, for separating the oil slick in oil-polluted water, dispersed oil and oil emulsion.The device collection Gravity Separation, centrifugation and poly-
The oil-water separation methods such as knot are in one, although have the advantages that oil removal efficiency high, residence time are short, but its structure design and work
Principle is complicated, and cost of equipment maintenance is high, and range of application is narrow.
The patent of invention of Publication No. CN103372331A discloses a kind of oily-water seperating equipment and method, its method be by
The oily side and water side that aqueous oil and the water of oil-containing are respectively fed to profit rough segmentation tank carry out profit initial gross separation, the water of subsequent oil-containing
Further water-oil separating and discharged respectively in profit subdivision tank.Its treating capacity is big, separation accuracy is high, can simultaneously process oil and contain
Two strands of materials of water and water oil-containing, but it equally has above-mentioned many drawbacks, and such as complex structure, power consumption is big, and cost of equipment maintenance is high
Deng.
Therefore, people all urgently find it is a kind of rapidly and efficiently, the oil-water separation method of less energy consumption.
The content of the invention
Regarding to the issue above, the invention provides the oil-water separation method and knot that a kind of utilization helical curvature of space drives
Structure, its have separation rapidly and efficiently, required less energy consumption, the pollution caused without chemical addition agent and the various features such as be widely used.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of oil-water separation method that utilization helical curvature of space drives, methods described is based on the oil droplet in oil water mixture
In the curvature of space driving force that scroll curved surface is subject to, make at oil droplet displacement to certain enrichment, and utilize micro- set by enrichment
The capillary force in hole, realizes water-oil separating.
Used as the further improvement of above-mentioned technical proposal, the scroll curved surface is scroll blade, and is lipophile knot
Structure, is the demarcation strip for being arranged at the upper and lower side of scroll blade at the enrichment, and oil reservoir, the side are provided with the demarcation strip
Method is specifically included
Step A, makes oil water mixture flow through scroll blade, and tiny oil droplets therein will attach to the scroll leaf of oleophylic
On piece, the small oil droplet cluster of dense distribution is formed on its surface；
Step B, under the curvature of space driving force effect of scroll blade, positioned at the tiny oil droplets on scroll blade convex surface
Move up, the tiny oil droplets positioned at scroll forward face are moved down, the tiny oil droplets will be continuous in moving process
Merge with other tiny oil droplets and become larger, and be most enriched with upper and lower side demarcation strip finally；
Step C, due to being provided with oil reservoir in demarcation strip, under the capillary force effect of its micropore, only oil droplet can be by separating
Plate, water-oil separating is realized with this.
Used as the further improvement of above-mentioned technical proposal, the scroll blade is Archimedes spiral or logatithmic spiral
Shape, its surface smear has lipophilicity substance, to ensure that when scroll blade is moistened in step A be oleophylic.
Used as the further improvement of above-mentioned technical proposal, the size of the scroll blade is arranged in 5 millimeters, to ensure
Curvature of space driving force is moved it enough suffered by tiny oil droplets in step B.
As the further improvement of above-mentioned technical proposal, the pore size of the demarcation strip be arranged at 100 to 500 microns it
Between, to ensure the logical oily resistance effect of demarcation strip in step C.
The oil-water separating structure that a kind of utilization helical curvature of space drives, it uses the utilization spiral shell described in claim 1 to 5
The oil-water separation method of space of lines Curvature-driven realizes water-oil separating, including some regularly arranged scroll blades and is arranged at
Thereon, the demarcation strip of downside, wherein scroll blade are provided with lipophile structure with demarcation strip, are offered on the demarcation strip
Some micropores.
Used as the further improvement of above-mentioned technical proposal, the scroll blade is Archimedes spiral or logatithmic spiral
Shape, its surface smear has lipophilicity substance.
As the further improvement of above-mentioned technical proposal, oil reservoir is provided with the demarcation strip.
Used as the further improvement of above-mentioned technical proposal, the size of the scroll blade is arranged in 5 millimeters, to ensure
Curvature of space driving force is moved it enough suffered by tiny oil droplets.
As the further improvement of above-mentioned technical proposal, the pore size of the demarcation strip be arranged at 100 to 500 microns it
Between, to ensure the logical oily resistance effect of demarcation strip.
The beneficial effect that the present invention brings has：
Compared to prior art, the invention has the advantages that,
1st, oil-water separation method of the invention is mainly acted on using helical curvature of space driving force and micropore capillary force, not only
Implement safe and convenient, it is simple to operate, and with separate rapidly and efficiently, separating effect stabilization effect；
2nd, not only floor space is small for oil-water separating structure of the invention, and structure design is compact, and can repeatedly use,
Compared with existing oily-water seperating equipment, required energy consumption is less, and operating cost is lower；
3rd, oil-water separation method provided by the present invention is not related to any chemical addition agent, therefore does not result in new change yet
Learn additive pollution, not only environmental protection, it helps improve separation accuracy；
4th, the present invention is unique innovative design, in a sense departing from traditional oil-water separation method and device mould
Type, compared to the oily-water seperating equipment of existing most targeted designs, will be with being more widely applied space.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described,
Fig. 1 is the oil-water separating structure schematic diagram that the utilization helical curvature of space of the invention drives；
Reference name in figure corresponding to each sequence number is as follows：
Scroll blade -1, demarcation strip -2, tiny oil droplets -3, micropore -21, oil reservoir -22.
Specific embodiment
Experimental study shows that oil droplet can displacement on Archimedes spiral curved surface.
When oil droplet is on Archimedes spiral curved surface, driving produced by the curvature of space that can be had by curved surface itself
Dynamic action, and under this driving force effect, oil droplet can be to the larger local displacement of the curvature of space.Due to for scroll
For curved surface, the curvature of space of its concave side at the limit of center is high, low away from the curvature of space at the limit of center, and convex
Face side is then opposite.Therefore, oil droplet Hui Xiang center limit movement of the absorption on its concave surface, the oil droplet adsorbed on convex surface then can
Away from the movement of center limit.Similarly, scroll blade 1 will also order about absorption oil droplet thereon to upper and lower both sides displacement.
Meanwhile, micropore 21 is acted on capillary force.
When water will enter the oil reservoir 22 of the inner side of demarcation strip 2 by the micropore 21 on demarcation strip 2, due to the boundary between profit
Face tension force can produce the Laplce's pressure difference for hindering water to penetrate into, this pressure difference to increase with the reduction in aperture.Due to demarcation strip 2
On micropore 21 it is small-sized, so this resistance is sufficiently large, it is ensured that water will not by demarcation strip 2 enter its on the inside of oil reservoir
22.But, for oil droplet, oil droplet is same substance with the oil reservoir 22 of the inner side of demarcation strip 2, so do not exist interfacial tension,
Oil droplet i.e. at upper and lower two lateral enrichment can be freely through demarcation strip 2 without being blocked.
Embodiment one：
The present invention receives above-mentioned inspiration, there is provided the oil-water separation method that a kind of utilization helical curvature of space drives, this side
The curvature of space driving force that the oil droplet that method is based in oil water mixture is subject in scroll curved surface, makes oil droplet displacement rich to certain
Ji Chu, and using the capillary force of micropore 21 set by enrichment, realize water-oil separating, with separate rapidly and efficiently, required less energy consumption
And the various features such as it is widely used.
Specifically, we above-mentioned scroll curved surface is set to it is some in Archimedes spiral, regularly arranged spiral shell
Linear blade 1, and be lipophile structure, it is the demarcation strip 2 for being arranged at the upper and lower side of scroll blade 1, wherein demarcation strip at enrichment
Oil reservoir 22 is set in 2.
The inventive method specifically includes following steps：
Step A, makes oil water mixture flow through scroll blade 1, and tiny oil droplets therein 3 will attach to the scroll of oleophylic
On blade 1, the small oil droplet cluster of dense distribution is formed on its surface；
Step B, under the curvature of space driving force effect of scroll blade 1, positioned at the small oil on the convex surface of scroll blade 1
Drop 3 is moved up, and the tiny oil droplets 3 positioned at the concave surface of scroll blade 1 are moved down, and the tiny oil droplets 3 are in moving process
Become larger constantly merging with other tiny oil droplets 3, and be most enriched with upper and lower side demarcation strip 2 finally；
Step C, due to being provided with oil reservoir 22 in demarcation strip 2, under the capillary force effect of its micropore 21, only oil droplet can pass through
Demarcation strip 2, water-oil separating is realized with this.
At the same time, to be oleophylic when scroll blade 1 is moistened in guarantee above-mentioned steps A, the surface of scroll blade 1 should
Lipophilicity substance, such as paraffin or silicon rubber are coated with, and the size of scroll blade 1 should be arranged in 5 millimeters, to ensure step
Curvature of space driving force suffered by tiny oil droplets 3 is moved it enough in rapid B.For the micropore 21 of demarcation strip 2, its size is arranged at
Between 100 to 500 microns, to ensure the logical oily resistance effect of demarcation strip 2 in step C.
Based on the oil-water separation method that the above-mentioned utilization helical curvature of space drives, present invention also offers a kind of profit point
From structure, reference picture 1, it mainly includes some in Archimedes spiral, regularly arranged scroll blade 1 and being arranged at
The demarcation strip 2 of the upper and lower side of scroll blade group, wherein scroll blade 1 are provided with lipophile structure with demarcation strip 2, point
Some micropores 21 are offered on dividing plate 2, the set-up mode of concrete structure is consistent with the setting of involved structure in its method,
Such as size of scroll blade 1 and the size of micropore 21.
Embodiment two：
Research shows, oil droplet on logatithmic spiral shape curved surface equally can displacement, therefore can be as of the invention another
A kind of implementation method.
In this embodiment, we by the scroll blade group in embodiment one be set to it is some in logatithmic spiral shape,
Equidistant scroll blade 1 arranged in parallel, thereon, downside be provided with demarcation strip 2, likewise, scroll blade 1 and demarcation strip
2 are provided with lipophile structure, offer some micropores 21, the size of scroll blade 1 and micropore 21 on demarcation strip 2 at equal intervals
Size is set with reference to embodiment one.
Based on above-mentioned oil-water separating structure, the oil-water separation method that the utilization helical curvature of space for being used drives is specific
Step is basically identical with embodiment one.
Although above describing two kinds of different embodiments of the invention, it is obvious to a person skilled in the art that this
Invention is not limited to the details of above-mentioned one exemplary embodiment.
Such as, in oil-water separating structure of the present invention scroll blade group specific rules arrangement mode, except the present invention implement
What is limited in example two is equidistant arranged in parallel outer, and other should also be as being considered as embodiment party of the invention in regular arrangement architecture
Formula.And for example, the present invention is filled with oil reservoir 22 in the demarcation strip 2, and to ensure its logical oily resistance effect, in fact we can also be
The side for being provided with micropore 21 coats super oleophylic super-hydrophobic coat, so that its technique effect is more stablized.
Should be understood simultaneously, although this specification is been described by according to embodiment, not each embodiment only includes one
Independent technical scheme, this narrating mode of this specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can be with for bright book
The other embodiment of understanding.
No matter even so, using which kind of above-mentioned implementation method, the present invention should have as follows compared to prior art
Advantage：
Oil-water separation method of the invention is mainly acted on using helical curvature of space driving force and the capillary force of micropore 21, not only
Implement safe and convenient, it is simple to operate, and with separate rapidly and efficiently, separating effect stabilization effect；
Not only floor space is small for oil-water separating structure of the invention, and structure design is compact, and can repeatedly use, with
Existing oily-water seperating equipment is compared, and required energy consumption is less, and operating cost is lower；
Oil-water separation method provided by the present invention is not related to any chemical addition agent, therefore does not result in new chemistry yet
Additive pollutes, not only environmental protection, it helps improve separation accuracy；
The present invention is unique innovative design, in a sense departing from traditional oil-water separation method and device mould
Type, compared to the oily-water seperating equipment of existing most targeted designs, will be with being more widely applied space.
Claims (9)
1. the oil-water separation method that a kind of utilization helical curvature of space drives, it is characterised in that：Methods described is based on oil mixing with water
The curvature of space driving force that oil droplet in thing is subject in scroll curved surface, makes at oil droplet displacement to certain enrichment, and using rich
The capillary force of micropore set by collection (21), realizes water-oil separating, wherein the scroll curved surface is scroll blade (1), and is
Lipophile structure, is the demarcation strip (2) for being arranged at scroll blade (1) upper and lower side at the enrichment, in the demarcation strip (2)
Oil reservoir (22) is provided with, methods described is specifically included
Step A, makes oil water mixture flow through scroll blade (1), and tiny oil droplets (3) therein will attach to the scroll of oleophylic
On blade (1), the small oil droplet cluster of dense distribution is formed on its surface；
Step B, under the curvature of space driving force effect of scroll blade (1), positioned at the small oil on scroll blade (1) convex surface
Drop (3) is moved up, and the tiny oil droplets (3) positioned at scroll blade (1) concave surface are moved down, and the tiny oil droplets (3) are being moved
To constantly merge with other tiny oil droplets (3) during dynamic and become larger, and most upper and lower side demarcation strip (2) place enrichment finally；
Step C, due to being provided with oil reservoir (22) in demarcation strip (2), under the capillary force effect of its micropore (21), only oil droplet can lead to
Demarcation strip (2) is crossed, water-oil separating is realized with this.
2. the oil-water separation method that a kind of utilization helical curvature of space according to claim 1 drives, it is characterised in that：Institute
It is Archimedes spiral or logatithmic spiral shape to state scroll blade (1), and its surface smear has lipophilicity substance, to ensure step
It is oleophylic when scroll blade (1) is moistened in A.
3. the oil-water separation method that a kind of utilization helical curvature of space according to claim 1 drives, it is characterised in that：Institute
The size for stating scroll blade (1) is arranged in 5 millimeters, to ensure curvature of space driving force suffered by tiny oil droplets (3) in step B
Move it enough.
4. the oil-water separation method that a kind of utilization helical curvature of space according to claim 1 drives, it is characterised in that：Institute
Micropore (21) size for stating demarcation strip (2) is arranged between 100 to 500 microns, to ensure the logical oil of demarcation strip (2) in step C
Resistance effect.
5. the oil-water separating structure that a kind of utilization helical curvature of space drives, it uses the utilization helical described in Claims 1-4
The oil-water separation method that the curvature of space drives realizes water-oil separating, it is characterised in that：Including some regularly arranged scroll leaves
Piece (1) and be arranged on, the demarcation strip (2) of downside, wherein scroll blade (1) and demarcation strip (2) be provided with lipophile
Structure, some micropores (21) are offered on the demarcation strip (2).
6. the oil-water separating structure that a kind of utilization helical curvature of space according to claim 5 drives, it is characterised in that：Institute
It is Archimedes spiral or logatithmic spiral shape to state scroll blade (1), and its surface smear has lipophilicity substance.
7. the oil-water separating structure that a kind of utilization helical curvature of space according to claim 5 drives, it is characterised in that：Institute
State in demarcation strip (2) and be provided with oil reservoir (22).
8. the oil-water separating structure that a kind of utilization helical curvature of space according to claim 5 or 6 drives, its feature exists
In：The size of the scroll blade (1) is arranged in 5 millimeters, to ensure curvature of space driving force foot suffered by tiny oil droplets (3)
Enough move it.
9. the oil-water separating structure that a kind of utilization helical curvature of space according to claim 5 or 7 drives, its feature exists
In：Micropore (21) size of the demarcation strip (2) is arranged between 100 to 500 microns, to ensure the logical oil resistance of demarcation strip (2)
Water is acted on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510902180.7A CN105542840B (en) | 2016-01-13 | 2016-01-13 | Oil-water separation method and structure that a kind of utilization helical curvature of space drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902180.7A CN105542840B (en) | 2016-01-13 | 2016-01-13 | Oil-water separation method and structure that a kind of utilization helical curvature of space drives |
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| Publication Number | Publication Date |
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| CN105542840A CN105542840A (en) | 2016-05-04 |
| CN105542840B true CN105542840B (en) | 2017-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205735A (en) * | 2018-10-31 | 2019-01-15 | 东北石油大学 | It is a kind of to realize the tangential inlet separated twice and single-stage oil-water cyclone separator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248421A (en) * | 1992-10-09 | 1993-09-28 | The United States Of America As Respresented By The Administrator Of The National Aeronautics And Space Administration | Spiral fluid separator |
| CN203886239U (en) * | 2012-11-15 | 2014-10-22 | C·C·詹森有限公司 | System for removing water from oil |
| CN104107563B (en) * | 2014-07-31 | 2015-11-18 | 北京中天油石油天然气科技有限公司 | Bitubular screw plate oil-water separator |
-
2016
- 2016-01-13 CN CN201510902180.7A patent/CN105542840B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248421A (en) * | 1992-10-09 | 1993-09-28 | The United States Of America As Respresented By The Administrator Of The National Aeronautics And Space Administration | Spiral fluid separator |
| CN203886239U (en) * | 2012-11-15 | 2014-10-22 | C·C·詹森有限公司 | System for removing water from oil |
| CN104107563B (en) * | 2014-07-31 | 2015-11-18 | 北京中天油石油天然气科技有限公司 | Bitubular screw plate oil-water separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205735A (en) * | 2018-10-31 | 2019-01-15 | 东北石油大学 | It is a kind of to realize the tangential inlet separated twice and single-stage oil-water cyclone separator |
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| CN105542840A (en) | 2016-05-04 |
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Effective date of registration: 20210120 Address after: 867 Century Avenue, Huangdao District, Qingdao City, Shandong Province 266400 Patentee after: QINGDAO ANTAI HEAVY INDUSTRY MACHINERY Co.,Ltd. Address before: 266580 No. 66 Changjiang West Road, Huangdao District, Qingdao, Shandong. Patentee before: China University of Petroleum (East China) |