CN105542840A - Oil-water separation method and structure driven by spiral spatial curvature - Google Patents
Oil-water separation method and structure driven by spiral spatial curvature Download PDFInfo
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- CN105542840A CN105542840A CN201510902180.7A CN201510902180A CN105542840A CN 105542840 A CN105542840 A CN 105542840A CN 201510902180 A CN201510902180 A CN 201510902180A CN 105542840 A CN105542840 A CN 105542840A
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- oil
- space
- division plate
- curvature
- water
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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 invention discloses an oil-water separation method and structure driven by spiral spatial curvature. According to the method, based on a phenomenon that oil drops in an oil-water mixture are suffered to spatial curvature driving force in a spiral curved surface and are made to move in a certain direction to some gathering place, oil and water are separated through micropore capillary force arranged at the gathering place. The structure comprises a plurality of spiral blades regularly arranged and separation boards arranged at upper and lower sides of the spiral blades, wherein both the spiral blades and the separation boards are provided with lipophilic structures and the separation boards are provided with a plurality of mircropores. Compared with a method and structure in the prior art, the provided method and structure have characteristics of quick and efficient separation, less energy consumption, and wide application, and are free of pollution because of addition of chemical additives.
Description
Technical field
The present invention relates to chemical field and environmental protection sciemtifec and technical sphere, be specially a kind of utilize the helical curvature of space to drive oil-water separation method and structure.
Background technology
Along with the development of society, China is increasing for the demand of the energy, and oil is as the blood of industry, and its demand is also growing.Stablize the basis that oil supply is social stability development, be that the grand strategy of China one of ensures, this proposes difficult task more to the production in oil field.But along with the many oil fields of China enter high water-cut stage, crude oil is entrained in extraction in water with the form of oil droplet often.For this quasi-oil, existing main method is the separation being realized profit by electrolysis, but the method energy consumption is large, operational hazards, is unsuitable for big area and uses.
Meanwhile, the discharge of oil-containing industrial water creates serious pollution to environment.After oil-containing industrial water enters rivers,lakes and seas, oil film covers the water surface, cause water body dissolved oxygen amount to reduce, affect the growth of algae, and the objectionable impurities in waste water can pass through food chain enrichment, to the healthy generation serious harm of the mankind.The discharge of oily(waste)water is also a kind of waste seriously, if can carry out oily water separation, then they can become renewable resource and are used.But due in oily(waste)water, oil droplet can be small, general oil-water separation method weak effect, energy consumption is high.
Publication number is that the patent application of CN104743637A discloses a kind of oil-water separation box and utilizes the oily-water seperating equipment of this Seperating box, for separating of the oil slick in oily(waste)water, dispersed oil and oil in water emulsion.This device integrates gravity separation, the oil-water separation method such as centrifugal and coalescent, although have the advantage that oil removal efficiency is high, the residence time is short, its structure design and principle of work complicated, and cost of equipment maintenance is high, and range of application is narrow.
Publication number is that the patent of invention of CN103372331A discloses a kind of oily-water seperating equipment and method, its method the water of moisture oil and oil-containing is sent into respectively the oily side of profit rough segmentation tank and profit initial gross separation is carried out in water side, the water of oil-containing oily water separation discharging respectively further in profit segmentation tank subsequently.Its treatment capacity is large, separation accuracy is high, can process the moisture and water oil-containing two strands of materials of oil, but it has above-mentioned many drawbacks equally simultaneously, and as complex structure, power consumption are large, cost of equipment maintenance is high.
For this reason, people all find urgently a kind of rapidly and efficiently, the oil-water separation method of less energy consumption.
Summary of the invention
For the problems referred to above, the invention provides a kind of utilize the helical curvature of space to drive oil-water separation method and structure, its have separation rapidly and efficiently, required less energy consumption, the pollution caused without chemical additive and the various features such as to be widely used.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of oil-water separation method utilizing the helical curvature of space to drive, the curvature of space motivating force that described method is subject at scroll curved surface based on the oil droplet in oil-water mixture, make oil droplet displacement to certain enrichment place, and utilize enrichment place establish the capillary force of micropore, realize oily water separation.
As the further improvement of technique scheme, described scroll curved surface is scroll blade, and is lipophilicity structure, and described enrichment place is the division plate being arranged at the upper and lower side of scroll blade, is provided with oil reservoir in described division plate, and described method specifically comprises
Steps A, makes oil-water mixture flow through scroll blade, and tiny oil droplets wherein will be attached on the scroll blade of oleophylic, forms the little oil droplet cluster of dense distribution on its surface;
Step B, under the curvature of space motivating force effect of scroll blade, the tiny oil droplets being positioned at scroll blade convex surface moves up, the tiny oil droplets being positioned at scroll forward face moves down, described tiny oil droplets constantly will merge with other tiny oil droplets and become gradually greatly in moving process, and the most upper and lower side division plate place enrichment;
Step C, owing to being provided with oil reservoir in division plate, under the capillary force effect of its micropore, only oil droplet is by division plate, realizes oily water separation with this.
As the further improvement of technique scheme, described scroll blade is Archimedes spiral or logarithmic spiral shape, and its surface smear has lipophilicity substance, is oleophylic during to ensure that in steps A, scroll blade is moistening.
As the further improvement of technique scheme, the size of described scroll blade is arranged in 5 millimeters, to ensure that in step B, suffered by tiny oil droplets, curvature of space motivating force enough moves it.
As the further improvement of technique scheme, the pore size of described division plate is arranged between 100 to 500 microns, to ensure the logical oily resistance effect of division plate in step C.
A kind of oil-water separating structure utilizing the helical curvature of space to drive, it adopts the oil-water separation method utilizing the helical curvature of space to drive described in claim 1 to 5 to realize oily water separation, comprise some regularly arranged scroll blades and be arranged at the division plate of its upper and lower side, wherein scroll blade and division plate are provided with lipophilicity structure, and described division plate offers some micropores.
As the further improvement of technique scheme, described scroll blade is Archimedes spiral or logarithmic spiral shape, and its surface smear has lipophilicity substance.
As the further improvement of technique scheme, in described division plate, be provided with oil reservoir.
As the further improvement of technique scheme, the size of described scroll blade is arranged in 5 millimeters, to ensure that suffered by tiny oil droplets, curvature of space motivating force enough moves it.
As the further improvement of technique scheme, the pore size of described division plate is arranged between 100 to 500 microns, to ensure the logical oily resistance effect of division plate.
The beneficial effect that the present invention brings has:
Compare to prior art, tool of the present invention has the following advantages,
1, oil-water separation method of the present invention mainly utilizes helical curvature of space motivating force and the effect of micropore capillary force, not only implements safe and convenient, simple to operate, and have separation rapidly and efficiently, the stable effect of separating effect;
2, not only floor space is little for oil-water separating structure of the present invention, and structure design is compact, and can repeatedly use, and compared with existing oily-water seperating equipment, required energy consumption is less, and running cost is lower;
3, oil-water separation method provided by the present invention does not relate to any chemical additive, new chemical additive therefore also can not be caused to pollute, not only environmental protection, contributes to improving separation accuracy yet;
4, the present invention is unique innovative design, has departed from traditional oil-water separation method and mounted cast in a sense, has compared to the oily-water seperating equipment of existing most targeted design, will have application space more widely.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the invention will be further described,
Fig. 1 is the oil-water separating structure schematic diagram utilizing the helical curvature of space to drive of the present invention;
Reference name in figure corresponding to each sequence number is as follows:
Scroll blade-1, division plate-2, tiny oil droplets-3, micropore-21, oil reservoir-22.
Embodiment
Experimental study shows, oil droplet can displacement on Archimedes spiral curved surface.
When oil droplet is on Archimedes spiral curved surface, can be subject to the motivating force effect that the curvature of space that curved surface self has produces, and under this motivating force effect, oil droplet can to the larger local displacement of the curvature of space.Due to for scroll curved surface, the curvature of space of its concave surface side near limit place, center is high, and the curvature of space away from limit place, center is low, and convex surface side is then contrary.Therefore, the oil droplet Hui Xiang center limit be adsorbed on its concave surface moves, and the oil droplet be adsorbed on convex surface then can move away from center limit.In like manner, scroll blade 1 also will order about absorption oil droplet thereon both sides displacement up and down.
Meanwhile, micropore 21 has capillary force effect.
When water will enter the oil reservoir 22 inside division plate 2 by the micropore 21 on division plate 2, because the interfacial tension between profit can produce the Laplce's pressure reduction hindering water to infiltrate, this pressure reduction increases along with the reduction in aperture.Because the micropore 21 on division plate 2 is small-sized, so this resistance is enough large, ensure that water can not enter oil reservoir 22 inside it by division plate 2.But for oil droplet, the oil reservoir 22 inside oil droplet and division plate 2 is same substance, so not Presence of an interface tension force, namely can be freely blocked by division plate 2 at the oil droplet at upper and lower two lateral enrichment places.
Embodiment one:
The present invention is namely by above-mentioned inspiration, provide a kind of oil-water separation method utilizing the helical curvature of space to drive, the curvature of space motivating force that this method is subject at scroll curved surface based on the oil droplet in oil-water mixture, make oil droplet displacement to certain enrichment place, and utilize enrichment place establish the capillary force of micropore 21, realize oily water separation, have separation rapidly and efficiently, required less energy consumption and the various features such as to be widely used.
Concrete, above-mentioned scroll curved surface is set to some in Archimedes spiral, regularly arranged scroll blades 1 by us, and be lipophilicity structure, enrichment place is the division plate 2 being arranged at the upper and lower side of scroll blade 1, wherein arranges oil reservoir 22 in division plate 2.
The inventive method specifically comprises the following steps:
Steps A, makes oil-water mixture flow through scroll blade 1, and tiny oil droplets 3 wherein will be attached on the scroll blade 1 of oleophylic, forms the little oil droplet cluster of dense distribution on its surface;
Step B, under the curvature of space motivating force effect of scroll blade 1, the tiny oil droplets 3 being positioned at scroll blade 1 convex surface moves up, the tiny oil droplets 3 being positioned at scroll blade 1 concave surface moves down, described tiny oil droplets 3 becomes constantly merging with other tiny oil droplets 3 gradually greatly in moving process, and the most upper and lower side division plate 2 place's enrichment;
Step C, owing to being provided with oil reservoir 22 in division plate 2, under the capillary force effect of its micropore 21, only oil droplet is by division plate 2, realizes oily water separation with this.
Meanwhile, oleophylic during for ensureing that in above-mentioned steps A, scroll blade 1 is moistening, scroll blade 1 surface should be coated with lipophilicity substance, as paraffin or silicon rubber etc., and the size of scroll blade 1 should be arranged in 5 millimeters, to ensure that in step B, suffered by tiny oil droplets 3, curvature of space motivating force enough moves it.For the micropore 21 of division plate 2, its size is arranged between 100 to 500 microns, to ensure the logical oily resistance effect of division plate 2 in step C.
Based on the above-mentioned oil-water separation method utilizing the helical curvature of space to drive, present invention also offers a kind of oil-water separating structure, with reference to Fig. 1, it mainly comprises some in Archimedes spiral, regularly arranged scroll blades 1 and is arranged at the division plate 2 of this upper and lower side of scroll vane group, wherein scroll blade 1 and division plate 2 are provided with lipophilicity structure, division plate 2 offers some micropores 21, in the set-up mode of concrete structure and its method, the setting of involved structure is consistent, as scroll blade 1 size and micropore 21 size etc.
Embodiment two:
Research shows, oil droplet is same energy displacement on logarithmic spiral shape curved surface, therefore can as another embodiment of the invention.
In this embodiment, scroll vane group in embodiment one is set to some in logarithmic spiral shape, equidistantly arranged in parallel scroll blades 1 by us, its upper and lower side is provided with division plate 2, same, scroll blade 1 and division plate 2 are provided with lipophilicity structure, equally spacedly on division plate 2 offer some micropores 21, scroll blade 1 size and micropore 21 size are all arranged with reference to embodiment one.
Based on above-mentioned oil-water separating structure, basically identical in the oil-water separation method concrete steps utilizing the helical curvature of space to drive adopted and embodiment one.
Although above describe two kinds of different embodiments of the present invention, to those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment.
As, the specific rules arrangement mode of scroll vane group in oil-water separating structure of the present invention, except limit in the embodiment of the present invention two equidistant arranged in parallel except, other also should be regarded as embodiments of the present invention in regular arrangement architectures.And for example, the present invention is filled with oil reservoir 22 in division plate 2, and to ensure its logical oily resistance effect, in fact we can also apply super oleophylic super-hydrophobic coat, to make its technique effect more stable in the side being provided with micropore 21.
Be to be understood that simultaneously, although this specification sheets is described according to embodiment, not each embodiment only comprises an independently technical scheme, this narrating mode of this specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
However, no matter adopt which kind of above-mentioned embodiment, the present invention compares to prior art and answers tool to have the following advantages:
Oil-water separation method of the present invention mainly utilizes helical curvature of space motivating force and the effect of micropore 21 capillary force, not only implements safe and convenient, simple to operate, and have separation rapidly and efficiently, the stable effect of separating effect;
Oil-water separating structure of the present invention not only floor space is little, and structure design is compact, and can repeatedly use, and compared with existing oily-water seperating equipment, required energy consumption is less, and running cost is lower;
Oil-water separation method provided by the present invention does not relate to any chemical additive, new chemical additive therefore also can not be caused to pollute, not only environmental protection, contributes to improving separation accuracy yet;
The present invention is unique innovative design, has departed from traditional oil-water separation method and mounted cast in a sense, has compared to the oily-water seperating equipment of existing most targeted design, will have application space more widely.
Claims (10)
1. the oil-water separation method utilizing the helical curvature of space to drive, it is characterized in that: the curvature of space motivating force that described method is subject at scroll curved surface based on the oil droplet in oil-water mixture, make oil droplet displacement to certain enrichment place, and utilize enrichment place establish the capillary force of micropore (21), realize oily water separation.
2. a kind of oil-water separation method utilizing the helical curvature of space to drive according to claim 1, it is characterized in that: described scroll curved surface is scroll blade (1), and be lipophilicity structure, described enrichment place is for being arranged at the division plate (2) of scroll blade (1) upper and lower side, be provided with oil reservoir (22) in described division plate (2), described method specifically comprises
Steps A, makes oil-water mixture flow through scroll blade (1), and tiny oil droplets (3) wherein will be attached on the scroll blade (1) of oleophylic, forms the little oil droplet cluster of dense distribution on its surface;
Step B, under the curvature of space motivating force effect of scroll blade (1), the tiny oil droplets (3) being positioned at scroll blade (1) convex surface moves up, the tiny oil droplets (3) being positioned at scroll blade (1) concave surface moves down, described tiny oil droplets (3) constantly will merge with other tiny oil droplets (3) and become gradually greatly in moving process, and the most upper and lower side division plate (2) place's enrichment;
Step C, owing to being provided with oil reservoir (22) in division plate (2), under the capillary force effect of its micropore (21), only oil droplet is by division plate (2), realizes oily water separation with this.
3. a kind of oil-water separation method utilizing the helical curvature of space to drive according to claim 2, it is characterized in that: described scroll blade (1) is Archimedes spiral or logarithmic spiral shape, its surface smear has lipophilicity substance, is oleophylic during to ensure that in steps A, scroll blade (1) is moistening.
4. a kind of oil-water separation method utilizing the helical curvature of space to drive according to claim 2, it is characterized in that: the size of described scroll blade (1) is arranged in 5 millimeters, to ensure that the suffered curvature of space motivating force of tiny oil droplets in step B (3) enough moves it.
5. a kind of oil-water separation method utilizing the helical curvature of space to drive according to claim 2, it is characterized in that: micropore (21) size of described division plate (2) is arranged between 100 to 500 microns, to ensure the logical oily resistance effect of division plate in step C (2).
6. the oil-water separating structure utilizing the helical curvature of space to drive, it adopts the oil-water separation method utilizing the helical curvature of space to drive described in claim 1 to 5 to realize oily water separation, it is characterized in that: comprise some regularly arranged scroll blades (1) and be arranged at the division plate (2) of its upper and lower side, wherein scroll blade (1) and division plate (2) are provided with lipophilicity structure, described division plate (2) offer some micropores (21).
7. a kind of oil-water separating structure utilizing the helical curvature of space to drive according to claim 6, is characterized in that: described scroll blade (1) is Archimedes spiral or logarithmic spiral shape, and its surface smear has lipophilicity substance.
8. a kind of oil-water separating structure utilizing the helical curvature of space to drive according to claim 6, is characterized in that: be provided with oil reservoir (22) in described division plate (2).
9. a kind of oil-water separating structure utilizing the helical curvature of space to drive according to claim 6 or 7, it is characterized in that: the size of described scroll blade (1) is arranged in 5 millimeters, to ensure that the suffered curvature of space motivating force of tiny oil droplets (3) enough moves it.
10. a kind of oil-water separating structure utilizing the helical curvature of space to drive according to claim 6 or 8, it is characterized in that: micropore (21) size of described division plate (2) is arranged between 100 to 500 microns, to ensure the logical oily resistance effect of division plate (2).
Priority Applications (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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| 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 |
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| CN105542840A true CN105542840A (en) | 2016-05-04 |
| CN105542840B CN105542840B (en) | 2017-05-31 |
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| CN109205735B (en) * | 2018-10-31 | 2021-09-07 | 东北石油大学 | Tangential inlet for realizing twice separation 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 |
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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) |
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