CN107930184A - The oily-water seperating equipment and its oil-water separation method of biodiesel - Google Patents
The oily-water seperating equipment and its oil-water separation method of biodiesel Download PDFInfo
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- CN107930184A CN107930184A CN201711301960.1A CN201711301960A CN107930184A CN 107930184 A CN107930184 A CN 107930184A CN 201711301960 A CN201711301960 A CN 201711301960A CN 107930184 A CN107930184 A CN 107930184A
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- water
- biodiesel
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- oil
- separate mesh
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- 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
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
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Abstract
The oily-water seperating equipment and its oil-water separation method of a kind of biodiesel, the oily-water seperating equipment is that axial concentric locking collar is equipped with water tank in oil storage tank, and the separate mesh of funnel-shaped structure is provided with above oil storage tank and water tank；The separate mesh top is provided with flow channel for liquids, and the liquid leakage tank of annular shape is equipped between separate mesh and flow channel for liquids；Collecting tank is located at the side of oil storage tank and water tank, is provided with delivery pump composition below；The oil-water separation method is that the biodiesel in collecting tank is pumped into flow channel for liquids and carries out water-oil separating by delivery pump by delivery pipe.The present invention continuously separates biodiesel oil-water mixture, further increases the water-oil separating efficiency of biodiesel, and simple in structure, of low cost, practical strong.
Description
Technical field
The present invention relates to a kind of oily-water seperating equipment and its oil-water separation method of aqueous biodiesel, mainly in life
The moisture contained in the generating process of thing diesel oil in biodiesel carries out high-efficiency environment friendly separation, so that the biodiesel of production reaches
To containing water quality standard.
Background technology
The production process of existing biodiesel be mainly physics refinement, methanol pre-esterification, ester exchange reaction, gravity precipitation,
Washing, separate, the separation and the acquisition of rough methyl esters of glycerine, in the biodiesel produced in the process, due to washing
The step of and cause water content in biodiesel exceeded, it is therefore necessary to water-oil separating is carried out to the biodiesel of production, it is such as open
Number disclose a kind of processing method of biodiesel wastewater for CN106365380A, its according to principle be by biodiesel input every
Physics is carried out in oil sump to deoil, and is adjusted pH value and is added coagulant and flocculant, activated sludge degraded is carried out, by activated carbon mistake
Biodiesel wastewater after being handled after filter tank filtering, the separation method disengaging time is too long, and separation once must spend 3-4 days,
Separating step is cumbersome, serious waste manpower and materials.
The existing moisture removal to biodiesel generally carries out water-oil separating using addition chemical floc, and this method is to life
Thing diesel oil goes after water and with the addition of new chemical substance, and also contains chemical substance in the water removed, is not suitable for directly discharging, because
There is an urgent need to develop a kind of method aqueous in environmentally friendly removal biodiesel for this.
The content of the invention
The object of the present invention is to provide the oily-water seperating equipment and its oil-water separation method of a kind of biodiesel.
To achieve these goals, the technical solution that the present invention takes is as follows.
A kind of oily-water seperating equipment of biodiesel, containing oil storage tank, water tank, separate mesh, flow channel for liquids, collecting tank and
Delivery pump；It is characterized in that：
Axial concentric locking collar is equipped with water tank in the oil storage tank, and is provided with funnel-shaped structure above oil storage tank and water tank
Separate mesh；The separate mesh top is provided with flow channel for liquids, and the liquid leakage tank of annular shape is equipped between separate mesh and flow channel for liquids；Collection
Liquid bath is located at the side of oil storage tank and water tank, is provided with delivery pump below, and delivery pump leads to the biodiesel in collecting tank
Cross delivery pipe to be pumped into flow channel for liquids, realize water-oil separating；
The composition of wherein described separate mesh is to add myristic acid and HCL in ethanol, and stirring forms uniform solution, then solution is put
It is powered in being electrolysed in bottle, positive pole connection foam copper, its shape is sector, power cathode connection aluminium flake, aluminium flake size and bubble
Foam copper is the same, is placed in solution and is powered, and foam copper is taken out after electrolysis, after being placed in vacuum drying chamber drying, obtains foam copper surface
The separate mesh of super-hydrophobic.
Further additional technical feature is as follows.
The water tank that the oil storage tank is arranged is cylinder-like structure, when the height h of oil storage tank and water tank is 200mm-
During 300mm, the internal diameter D of oil storage tank1With the internal diameter D of water tank2Ratio be 1: 3.
The separate mesh is funnel-shaped structure, its sectional profile curve lin AB is hyperbolic shape structure, should meet mathematics public affairs
Formula：；Wherein：For 55o, separate mesh is made of foam copper, and foam copper mesh number is 80-
350 mesh, its surface have super hydrophobic functional, and the contact angle between water droplet and separate mesh is 150oMore than.
The flow channel for liquids is made of back-shaped slot structure, when the height h of oil storage tank and water tank be 200mm-300mm,
Internal diameter D1With D2Ratio when being 1: 3, its length L1For 25mm-125mm, width b1For 3mm-15mm, height h1For 5mm-25mm, its
The oleophilic drainage layer on top is layered the oil-water mixture in flow channel for liquids by the resistance to increase oil.
The oil storage tank, water tank, flow channel for liquids and collecting tank are made by stainless steel.
A kind of oil-water separation method of the oily-water seperating equipment of above-mentioned biodiesel, it is characterised in that：The water-oil separating
Method follows these steps to carry out：
A, biodiesel is placed in collecting tank, delivery pump powers on is pumped into flow channel for liquids by the biodiesel in collecting tank
In；
B, the biodiesel being pumped into flow channel for liquids is flowed by constantly changing direction, and in the parent on flow channel for liquids top
Grease layering is carried out under the action of oily hydrophobic layer；
C, circular liquid leakage tank is communicated with the termination of flow channel for liquids, by the aperture of circular oil leak trench bottom by biological bavin
Oil is discharged into the circular cone top edge of separate mesh；
D, the biodiesel of separate mesh top edge under the effect of gravity, is trickled downwards, due to separate mesh along tapered interior surface
Super-hydrophobic and oleophylic function, during downward trickling, fluid is dripped into oil storage tank biodiesel through separate mesh, and
Water is fallen into water tank along separate mesh circular conical surface, realizes that grease efficiently separates in biodiesel.
The oily-water seperating equipment and its oil-water separation method of a kind of above-mentioned the provided biodiesel of the present invention, the grease point
Proceed from the reality from device, oil storage tank, water tank, separate mesh, flow channel for liquids, collecting tank and the delivery pump of design, supporting progress
The water-oil separating of biodiesel, improves the water-oil separating efficiency of biodiesel, and simple in structure, of low cost, practical
By force；Separation method applied to the oily-water seperating equipment, it is contemplated that the simplicity and continuity of water-oil separating mode, and grease
Separation separates the problem of mixed liquor cost requirement is relatively low for extensive, realizes and continuously biodiesel oil-water mixture is carried out
Separated purpose, further increases the oil-water separation of biodiesel.
Brief description of the drawings
Fig. 1 is the overall structure diagram of oily-water seperating equipment of the present invention.
Fig. 2 is that the main body of oily-water seperating equipment of the present invention regards structure diagram.
Fig. 3 is oil storage tank, water tank and separate mesh modular construction schematic diagram of the present invention.
Fig. 4 is oil storage tank, water tank and separate mesh modular construction top view of the present invention.
Fig. 5 is oil storage tank and water tank modular construction front view of the present invention.
Fig. 6 is separate mesh cross section profile math equation figure of the present invention.
Fig. 7 is fluid present invention flow passage structure schematic diagram.
Fig. 8 is fluid present invention runner top view.
In figure：1：Oil storage tank；2：Water tank；3：Separate mesh；4：Liquid leakage tank；5：Flow channel for liquids；6：Oleophilic drainage layer；7：Collection
Liquid bath；8：Delivery pipe；9：Delivery pump.
Embodiment
The embodiment of the present invention is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
Implement the oily-water seperating equipment of a kind of biodiesel that the invention described above is provided, mainly by oil storage tank 1, water tank 2, point
Off-network 3, flow channel for liquids 5, delivery pump 9 and collecting tank 7 are formed, its structure design is by oil mixing with water by first order flow channel for liquids
Liquid is layered, and second level separate mesh separates oil-water mixture, and specific composition is that oil storage tank 1 is axially arranged concentrically with water tank 2,
And water tank 2 is located in oil storage tank 1, easy to be collected to the biodiesel separated and water, and in oil storage tank 1 and water tank
2 top is provided with the separate mesh 3 of funnel-shaped structure, and 3 cross sectional shape of separate mesh is hyperbolic shape structure, easy to biodiesel
Flowing on separate mesh 3, make in biodiesel aqueous efficiently separates；3 top of separate mesh is provided with flow channel for liquids 5, liquid
5 curved shape and structure of runner can be such that grease in biodiesel is layered well, and annulus is equipped between separate mesh 3 and flow channel for liquids 5
The liquid leakage tank 4 of shape structure；Collecting tank 7 is located at the side of oil storage tank 1 and water tank 2, is provided with delivery pump 9, delivery pump 9 below
Biodiesel in collecting tank 7 is pumped into flow channel for liquids 5 by delivery pipe 8, realizes water-oil separating.
The composition of wherein separate mesh 3 is to add 2.8g myristic acids and 1.2mol/l HCL, 1ml in 100ml95% ethanol,
Stirring forms uniform solution, and solution is placed in electrolysis bottle, is powered, and positive pole connection foam copper, foam copper is 100 mesh, its
Shape is sector structure, and power cathode connects aluminium flake, and aluminium flake size is placed in solution and is powered as foam copper, and voltage is
15v, electrolysis take out copper mesh after 8 minutes, are placed in after vacuum drying chamber drying, that is, obtain point of the foam copper for surface super hydrophobic
Off-network 3.
Embodiment 2
On the basis of embodiment 1, further specific embodiment is that to take oil storage tank 1 and water tank 2 be cylinder
Shape and structure, and height h is 300mm, the internal diameter D of oil storage tank 11For 120mm, the internal diameter D of oil storage tank 11With the internal diameter of water tank 2
D2Ratio be 1: 3.
Embodiment 3
On the basis of embodiment 1, further specific embodiment is that separate mesh 3 uses funnel shaped structure, its
The mathematical equation of sectional profile curve lin AB is：；Wherein：For 55 °, wherein y values model
Enclose for 0-55；Separate mesh 3 is made of foam copper, and foam copper mesh number is 100 mesh, its surface has super hydrophobic functional, flow channel for liquids
5, its a length of L1For 72mm, width b1It is highly h for 8mm1For 5mm, oil storage tank 1, water tank 2, flow channel for liquids 5 and collecting tank
7 are made by stainless steel.
Embodiment 4
Implement a kind of oil-water separation method of the oily-water seperating equipment for biodiesel that the invention described above is provided, with process for producing
Exemplified by biodiesel 100ml out, which follows these steps to carry out：
Step 1: water content is 5%-7% in biodiesel after the production process by " washing " step in the industrial production, it is not inconsistent
The regulation of biodiesel water content≤500ppm in GB/T20828-2007 is closed, takes the biodiesel 100ml produced,
The water content of side is 63521.21ppm in spectro fluidscan type oil analysis instrument, accounts for 6.3521%, is placed in collecting tank 7
In, power on, the biodiesel in collecting tank 7 is pumped into flow channel for liquids 5 by delivery pump 9.
Step 2: during the biodiesel trickling being pumped into flow channel for liquids 5, by constantly changing flow direction,
And it is layered grease under the action of the oleophilic drainage layer 6 on 5 top of flow channel for liquids.
Step 3: the end in flow channel for liquids 5 is communicated with the oil leak groove 4 of ring-shaped structure, pass through the leakage of ring-shaped structure
Biodiesel is discharged into the top edge of the conical structure of separate mesh 3 by the aperture of 4 bottom of oil groove.
Step 4: the biodiesel of 3 top edge of separate mesh is under the effect of gravity, along tapered interior surface to flowing down, due to
The super-hydrophobic and oleophylic function of separate mesh 3, during defluent, fluid is dripped into storage biodiesel through separate mesh 3
In oil tank 1, water drops into water tank 2 along 3 circular conical surface of separate mesh, so the water in biodiesel can be made effectively to be divided
From.
Step 5: after separation, the fluid in oil storage tank after separation 1 is sampled, is detected by spectro fluidscan
Wherein water content is 306.87ppm, meets the regulation of national standard GB/T20828-2007, and aqueous separate finishes in this biodiesel.
Claims (6)
1. a kind of oily-water seperating equipment of biodiesel, contain oil storage tank, water tank, separate mesh, flow channel for liquids, collecting tank and defeated
Send pump；It is characterized in that：
The oil storage tank（1）Middle axial direction concentric locking collar is equipped with water tank（2）, and in oil storage tank（1）With water tank（2）Top set
There is the separate mesh of funnel-shaped structure（3）；The separate mesh（3）Top is provided with flow channel for liquids（5）, separate mesh（3）With liquid flow
Road（5）Between be equipped with the liquid leakage tank of ring-shaped structure（4）；Collecting tank（7）Positioned at oil storage tank（1）With water tank（2）Side, under it
Face is provided with delivery pump（9）, delivery pump（9）By collecting tank（7）In biodiesel pass through delivery pipe（8）It is pumped into flow channel for liquids
（5）In, realize water-oil separating；
The separate mesh（3）Composition be to add myristic acid and HCL in ethanol, stirring forms uniform solution, then solution is put
It is powered in being electrolysed in bottle, positive pole connection foam copper, its shape is sector, power cathode connection aluminium flake, aluminium flake size and bubble
Foam copper is the same, is placed in solution and is powered, and foam copper is taken out after electrolysis, after being placed in vacuum drying chamber drying, obtains foam copper surface
The separate mesh of super-hydrophobic（3）.
2. the oily-water seperating equipment of biodiesel according to claim 1, it is characterised in that：The oil storage tank（1）It is arranged
Water tank（2）It is cylinder-like structure, works as oil storage tank（1）With water tank（2）Height h when being 200mm-300mm, oil storage tank
（1）Internal diameter D1With water tank（2）Internal diameter D2Ratio be 1: 3.
3. the oily-water seperating equipment of biodiesel according to claim 1, it is characterised in that：The separate mesh（3）It is funnel
Shape structure, its sectional profile curve lin AB are hyperbolic shape structure, should meet mathematical formulae：
；Wherein：For 55o, separate mesh（3）It is made of foam copper, foam copper mesh number is 80-350 mesh, its surface has super-hydrophobic
Function, water droplet and separate mesh（3）Between contact angle be 150oMore than.
4. the oily-water seperating equipment of biodiesel according to claim 1, it is characterised in that：The flow channel for liquids（5）It is
It is made of back-shaped slot structure, works as oil storage tank（1）With water tank（2）Height h be 200mm-300mm, internal diameter D1With D2Ratio be 1:
When 3, its length L1For 25mm-125mm, width b1For 3mm-15mm, height h1For 5mm-25mm, the oleophilic drainage layer of its upper part
（6）Flow channel for liquids is made by the resistance to increase oil（5）In oil-water mixture layering.
5. the oily-water seperating equipment of biodiesel according to claim 1, it is characterised in that：The oil storage tank（1）, water storage
Tank（2）, flow channel for liquids（5）And collecting tank（7）It is to be made by stainless steel.
A kind of 6. oil-water separation method of the oily-water seperating equipment of biodiesel according to claim 1, it is characterised in that：
The oil-water separation method follows these steps to carry out：
A, biodiesel is placed in collecting tank（7）In, delivery pump（9）Power on collecting tank（7）In biodiesel pumping
To flow channel for liquids（5）In；
B, it is pumped into flow channel for liquids（5）In biodiesel flowed by constantly changing direction, and in flow channel for liquids（5）On
The oleophilic drainage layer in portion（6）Under the action of carry out grease layering；
C, in flow channel for liquids（5）Termination be communicated with circular liquid leakage tank（4）, pass through circular oil leak groove（4）Bottom it is small
Biodiesel is discharged into separate mesh by hole（3）Circular cone top edge；
D, separate mesh（3）The biodiesel of top edge is trickled downwards under the effect of gravity, along tapered interior surface, due to separate mesh
（3）Super-hydrophobic and oleophylic function, for biodiesel during downward trickling, fluid passes through separate mesh（3）And drip into storage
Oil tank（1）In, and water is along separate mesh（3）Circular conical surface is fallen into water tank（2）In, realize that grease effectively divides in biodiesel
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711301960.1A CN107930184B (en) | 2017-12-10 | 2017-12-10 | Oil-water separation device and oil-water separation method for biodiesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711301960.1A CN107930184B (en) | 2017-12-10 | 2017-12-10 | Oil-water separation device and oil-water separation method for biodiesel |
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| Publication Number | Publication Date |
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| CN107930184A true CN107930184A (en) | 2018-04-20 |
| CN107930184B CN107930184B (en) | 2020-05-12 |
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| CN201711301960.1A Active CN107930184B (en) | 2017-12-10 | 2017-12-10 | Oil-water separation device and oil-water separation method for biodiesel |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440510A (en) * | 2007-11-21 | 2009-05-27 | 国家纳米科学中心 | Preparation of super-hydrophobic surface for metal anti-corrosive and self-cleaning effects |
| CN103172137A (en) * | 2012-09-21 | 2013-06-26 | 北京仁创科技集团有限公司 | Oil-water separation system |
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2017
- 2017-12-10 CN CN201711301960.1A patent/CN107930184B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440510A (en) * | 2007-11-21 | 2009-05-27 | 国家纳米科学中心 | Preparation of super-hydrophobic surface for metal anti-corrosive and self-cleaning effects |
| CN103172137A (en) * | 2012-09-21 | 2013-06-26 | 北京仁创科技集团有限公司 | Oil-water separation system |
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| CN107930184B (en) | 2020-05-12 |
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