CN208087265U - A kind of cross-flow filtration oily-water seperating equipment - Google Patents
A kind of cross-flow filtration oily-water seperating equipment Download PDFInfo
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- CN208087265U CN208087265U CN201820115832.1U CN201820115832U CN208087265U CN 208087265 U CN208087265 U CN 208087265U CN 201820115832 U CN201820115832 U CN 201820115832U CN 208087265 U CN208087265 U CN 208087265U
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Abstract
The utility model discloses a kind of cross-flow filtration oily-water seperating equipment, including filtration channel, its top cover is equipped with lid, bottom is communicated with oil trap, alternate internal is provided with the multiple and contour design of filtration channel filter cylinder, the bottom of filter cylinder is connected to inside the oil trap, and setting is both provided with strainer at the position that filter cylinder is not arranged between the bottom and oil trap of filtration channel, which has only the only aqueous energy of oil excessively.Filtration channel is divided into wide portion, convergent part and narrow portion along the circulating direction of filtering, be formed as wide portion close to one end of import, one end close to outlet is formed as narrow portion, is convergent part between wide portion and narrow portion, and oil trap and lid correspond to the shape molding of width portion, convergent part and narrow portion.The utility model may be implemented oily substance and be rapidly entered under the suction-operated of selective filter material and gravity in oil trap, it is not required to outer force effect and completes grease point, and the utility model scope of application is big, it is simple in structure, separative efficiency is high, is with a wide range of applications.
Description
Technical field
The utility model belongs to mechanical engineering, Surface Engineering, hydrodynamics and field of environment engineering technology, and in particular to one
Kind cross-flow filtration oily-water seperating equipment.
Background technology
Oily waste water arbitrarily discharges and oily substance can be caused to enter water body in turn result in water quality deterioration, atmosphere pollution, farming
The disastrous effects such as the object underproduction, the deterioration of the ecological environment.Currently, the processing of oily waste water has become a urgent problem to be solved, grease
Isolation technics as solve oily wastewater important means by worldwide extensive concern.Such as oil exploitation extractive process, oil product
Transport and storage can generate oily wastewater, and oil exploitation or oil carrier leakage can aggravate the generation of oily waste water.Therefore, from ring
Border protection etc. is set out, and water-oil separating is all of great significance.
Based on oil substance and difference of the water in terms of physics and chemical property, there has been proposed gravitational method, Bubble-floating Method, from
The separation methods such as heart method, chemical settling and microorganism.Although wherein the methods of chemical method and microbial degradation can realize oil-containing
The removal of oily substance in waste water, but oil product is difficult to recycle, is of high cost, be easy to causeing secondary pollution, therefore in actual use
It is restricted.Gravitational method oily water separation technique is realized by automatic sedimentation based on oily substance and difference of the water in density
Water-oil separating, gravity type sedimentation separation equipment is designed according to the principle of this natural subsidence.It is substantially former for Bubble-floating Method
Reason is similar to gravitational method, glutinous using micro-bubble in oil water mixture and oily substance mainly on the basis of gravitational settling
Attached realization grease layering, this method is high compared with natural gravity settling efficiency and is capable of the oil water mixture of process part emulsifying,
It is a kind of method for treating water for the more practical water-oil separating currently furtherd investigate and constantly promoted.Gravitational method and Bubble-floating Method
It is all based on oil and difference of the water in physical characteristic, using gravity and buoyancy as driving force realization water-oil separating, however conduct
The gravity and buoyancy of driving force can not change under general condition, therefore be difficult to improve gravitational method by increasing driving force
With the water-oil separating efficiency of Bubble-floating Method.Centrifugal process is based on the limitation of gravitational method and Bubble-floating Method in terms of driving force, is based on
Oily substance and the difference on water density, water-oil separating is realized using the centrifugal force under high speed rotation state as driving force.By
It is adjustable in centrifugation apparatus rotating speed and very high rotating speed can be reached, in addition can generate up to hundred times gravitational effects from
Driving force of the mental and physical efforts as water-oil separating, therefore centrifugal oily water separating equipment can be efficiently thoroughly by oil water mixture reality
Now it is layered.The oily water separating equipment designed using centrifugal process principle is referred to as cyclone, but since this method need to generate centrifugal force
The moving component of the opposite operating of high speed is needed as driving force, so being related to the abrasion of moving component and related daily dimension
Shield, therefore cost is higher.Gravitational method, Bubble-floating Method and oil-water separation method are all based on oily substance and water in oil water mixture
Water-oil separating physically is realized under driving force effect in difference present on density, has treating capacity easy to operate is big to wait spies
Point is generally used in industries such as oil refinery, coking, steels.But with investment and take up an area the deficiencies of more, operating flexibility is small it
Place.Relative to above-mentioned oil-water separation method, membrane separating method just has that compact-sized, easy to operate, low energy consumption and versatile etc.
Advantage, therefore have a good application prospect in water-oil separating field.Low stain, low energy consumption, efficient water-oil separationg film must
So it is known as the main direction of development in water-oil separating field.Filter membrane with special wettability is according to the physical chemistry on its surface
Characteristic can be applied in water-oil separating.Wherein hydrophilic and oleophobic filter membrane can realize that only water excessively is only oily, and have hydrophobic parent
The filter membrane of oily characteristic can realize only excessively oily only water, and general oil-water separation method is single from oil water mixture
It extracts part oily substance or moisture rather than realizes being kept completely separate for grease.
Utility model content
The utility model is directed to the limitation of the deficiency and existing equipment of existing oil-water separation method in use, base
In hydrophobic oleophilic oil filtration membrane material and interface mechanics optimization design, proposes a kind of cross-flow filtration oily-water seperating equipment, be based on
Interface mechanics are physically detached with hydromechanical, have separating effect it is notable, it is easy to operate, of low cost, be easy to engineering,
The features such as not bringing secondary pollution is expected to be used in oil exploitation, transportational process oil-containing caused by leakage and all trades and professions
Sewage handling problem.
The utility model provides a kind of cross-flow filtration oily-water seperating equipment, including filtration channel, the top of the filtration channel
Portion is covered with lid, and the bottom of the filtration channel is communicated with oil trap, and the alternate internal of the filtration channel is provided with multiple
It is connected to inside the oil trap with the bottom of the filter cylinder of the contour design of filtration channel, filter cylinder, the bottom of filtration channel and oil trap
Between be both provided with strainer at the position that filter cylinder is not set.
Preferably, the filtration channel is divided into wide portion, convergent part and narrow portion along the circulating direction of filtering, wherein close to import
One end be formed as wide portion, close to outlet one end be formed as narrow portion, between wide portion and narrow portion be convergent part, the oil trap with
And lid corresponds to the shape molding of width portion, convergent part and narrow portion.
Preferably, it is staggeredly equipped with filter cylinder in the width portion, convergent part and narrow portion, wherein the filter cylinder diameter in width portion
Big compared with the filter cylinder diameter in narrow portion, the filter cylinder diameter in convergent part is along width from the filter cylinder diameter in wide portion to the filter cylinder of narrow portion
Reduced diameter.
Preferably, the filter cylinder is uniformly staggered.
Preferably, the filter cylinder and strainer are all made of the filtering of the only excessively oily only water handled using hydrophobic sur- face modification
Material.
Preferably, ranging from 5-300 μm of the micropore size of the filter cylinder and the used filtering material of strainer.
The utility model has the advantage that：
The utility model is according to the requirement of fluid dynamics interface mechanics, the micropore hole handled using hydrophobic sur- face modification
Diameter ranging from 5-300 μm of filtering material realizes that an oil suction does not absorb water, and filtering material is made to be formed as and the high cross such as channel
The cloth cartridge structure of row can be such that oil water mixture increases with filtering material contact area, and make oils in oil water mixture
Substance is fully contacted with filtering material, either to heavy oil (density is more than water) or to oil slick (density is less than water) or even mixing
The oil water mixture of state can realize that oily substance comes into full contact with filtering material, improve separative efficiency.
The utility model has the distinguishing features such as easy to operate, of low cost, environmental-friendly, there is good engineer application
Foreground.The utility model can be used for detaching petroleum and petrochemical industry oil water mixture, mechanical processing industry cutting fluid and oily waste water,
The oil water mixture of the industries such as leather pharmacy.
Filter assemblies overall structure includes oil-collecting groove structure design as shown in Fig. 2, on the one hand increasing area of passage, another party
Face constructs solid-liquid-gas three phase contact interface in overcurrent interface so that oily substance is rapid under wetting power and gravity
Enter oil trap by filtering material and completes water-oil separating；The rational Design on Plane of passage length, the structure design of necking form can
Oily substance in oil water mixture is set to have sufficient time to realize water-oil separating during flowing through, and narrower
Microchannel oily substance in mixture is more thoroughly contacted with filtering material.And due to most of oils before
Substance to enter oil storage tank by filtering material, flow through oil water mixture total amount at necking reduce so the design at necking not
It can cause the reduction of overall treatment efficiency.
Description of the drawings
Fig. 1 and Fig. 2 is cross-flow filtration water-oil separating principle schematic；
Fig. 3 is that filter cylinder is interspersed structural schematic diagram；
In figure：1- filtration channels；2- oil traps；3- lids；4- filter cylinders；5- strainers；6- fluid exports；7- oil mixing with water
Object；8- oil phases；The flow directions 9-.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
The utility model provides a kind of cross-flow filtration oily-water seperating equipment, as shown in Figure 1 to Figure 3 comprising filtration channel
1, the filtration channel 1 has the shell in front and rear sides, forms the agent structure of filtration channel, the bottom of filtration channel 1
Portion is provided with oil trap 2, and for collecting generated oil phase 8 in filter process, the top cover of filtration channel 1 is equipped with lid 3, and
The left and right ends of filtration channel 1 are respectively formed with inlet and outlet, the filtration channel 1 along whole length direction (filtering
Circulating direction) it is divided into three wide portion, convergent part and narrow portion parts, it is integrally formed, when needing quick separating, needs wide portion
That designs is slightly longer, when needing to ensure disintegrate-quality, needs narrow portion to design longer.Wherein close to one end shape of import
As wide portion, one end close to outlet is formed as narrow portion, is convergent part between wide portion and narrow portion, filtration channel 1 is in the width in wide portion
The width for spending narrower part is wide, and width is gradually reduced by reduced portion formation.The oil trap 2 and lid 3 correspond to wide portion, convergence
The shape of portion and narrow portion is molded.Be vertically arranged between oil trap 2 and lid 3 in the filtration channel 1 with filtration channel 1 etc.
Multiple filter cylinders 4 of high design realize filter cylinder 4 and cross the contour design of stream interface, can make the oil at different height in flow channels
Substance can be contacted with the filtering material of only excessively oily only water, the distribution of 4 interleaved of the filter cylinder, one side of design of the structure
Face increased the area of stream interface, and in addition in overcurrent interface structure oil-water-gas three phase boundary, (filter cylinder has in the height direction
Have gas phase interface), oil water mixture 7 may be implemented after entrance enters, under the movement of the direction of motion 9, oily substance is through handing over
It is rapidly entered in oil trap 2 under the selective filter material suction-operated of the filter cylinder 4 of mistake setting and gravity, is not required to external force
Grease point is completed in effect.The design of necking form structure and intensive filter cylinder distribution mode staggeredly of wherein convergent part can make at this
Microchannel width reduces so that oily substance is easier to contact with hydrophobic oleophilic oil filtering material in oil water mixture 7, and oil can be improved
Water separating effect.
Preferably, the diameter of the filter cylinder in wide portion is equal, and the filter cylinder diameter also all same in narrow portion is in width portion
Filter cylinder diameter it is larger compared with the diameter of the filter cylinder in narrow portion, the filter cylinder diameter of the convergent part is gradually reduced, Ke Yiyan
The width of convergent part and reduced diameter or interval value that value is the filter cylinder diameter between wide portion and narrow portion.
The bottom of the filter cylinder is directly connected to inside the oil trap, and the oil phase after being filtered by filter cylinder into cartridge interior is made directly to flow
Enter oil trap to be collected.It the upper surface of the oil trap, in this way can be in not being both provided with strainer by the position that filter cylinder covers
Make fluid mixture in the position filtered without filter cylinder, can pass downwardly through strainer when by gravity and be filtered,
And then oil phase is enable to filter, and water phase continues to move ahead through outlet end movement outflow.
The strainer is the filtering material with special wettability, and the hydrophobically modified processing in surface is realized only excessively oily
The but function of water.The filter cylinder is prepared by strainer, for selective filter cylinder, that is, realize only can excessively oil and can not mistake
Water.According to the physical characteristics such as viscosity of oily substance in required processing oil water mixture and the demand for the treatment of effeciency, micropore is selected
Aperture in filtering materials such as 5-300 μm of metal screens, filter cloth or filter paper as base material, by the way of dipping or spraying
Low surface energy coat, for example common teflon coating of material and methyl resin are prepared on filtering substrate surface, thickness when spraying
At 10 to 100 microns, dipping, dipping solution mass concentration is 0.5 to 1%, and alcoholic solution impregnates half an hour, then room temperature
Solidification, the technique of low surface energy coat made above is the prior art, is repeated no more in the utility model.Base material passes through
The filtering material with hydrophobic oleophilic oil characteristic is can be obtained after dipping or spray treatment, then forms required shape by cutting
Strainer, and it is formed by bending the filter cylinder of required ruler diameter.
Oily substance can pass through filter cylinder or strainer and enter oil trap when oil water mixture flows through filtration channel, such as Fig. 2 institutes
Show, and the intensive distribution staggeredly of the filter cylinder of the contour design in channel, when can make that oily substance efficiently has enough in oil water mixture
Between through filtering material complete water-oil separating, the structure design of necking, which reduces channel width, keeps oily substance absorbed more
It is thorough, improves the quality of water-oil separating.Finally under the action of no extraneous driving force, the water-oil separating of high-efficiency and continuous is realized
Effect.
Embodiment
Micropore size is selected, as base material, to select hydrophobic dioxy in 30 μm of stainless steel metal strainer in the present embodiment
The low-surface-energy materials such as SiClx and methyl MQ resins carry out surface-hydrophobicized modification to base material, by hydrophobic silica
The MQ resins of particle and low-surface-energy fully dispersed alcohol mixed solution for obtaining mass fraction and being 1% in alcohol.It will filtering
Material impregnates 30min in mixed solution, is dried under the conditions of 100 DEG C in vacuum drying chamber after taking-up.
The entire length of filtration channel is 200mm, and the width of import is 50mm, and the length of convergent part is 30mm, convergent part
The width at most narrow place is 20mm, and the width of outlet is also 20mm, and the quantity for forming the filter cylinder of microchannel is 20.Set up cross-flow
Oil strain water separation device entire length is 200mm, is highly 60mm, width 60mm.By the oils object such as silicone oil, gasoline, diesel oil
Matter is 1 by volume with water:1 through high-speed stirred 20min be sufficiently mixed and respectively obtains each 1L of different oil water mixtures.It will
Various oil water mixtures inject cross-flow filtration oily-water seperating equipment by entrance respectively, can realize that grease is kept completely separate in 30s, and
And separative efficiency is higher than 99%.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of cross-flow filtration oily-water seperating equipment, which is characterized in that including filtration channel, the top cover of the filtration channel is set
There are lid, the bottom of the filtration channel to be communicated with oil trap, the alternate internal of the filtration channel is provided with multiple and filtering
The filter cylinder of the contour design in channel, the bottom of filter cylinder are connected to inside the oil trap, between the bottom and oil trap of filtration channel
It is not arranged at the position of filter cylinder and is both provided with strainer.
2. cross-flow filtration oily-water seperating equipment according to claim 1, which is characterized in that the filtration channel is along filtering
Circulating direction is divided into wide portion, convergent part and narrow portion, wherein being formed as wide portion close to one end of import, one end close to outlet is formed
Be convergent part for narrow portion, between wide portion and narrow portion, the oil trap and lid correspond to the shape of width portion, convergent part and narrow portion at
Type.
3. cross-flow filtration oily-water seperating equipment according to claim 2, which is characterized in that the width portion, convergent part and narrow
It is staggeredly equipped with filter cylinder in portion, wherein the filter cylinder diameter in width portion is big compared with the filter cylinder diameter in narrow portion, is in convergent part
Filter cylinder reduced diameter of the filter cylinder diameter along width from the filter cylinder diameter in wide portion to narrow portion.
4. cross-flow filtration oily-water seperating equipment according to claim 1 or 2, which is characterized in that the filter cylinder uniformly interlocks
Arrangement.
5. cross-flow filtration oily-water seperating equipment according to claim 1, which is characterized in that the filter cylinder and strainer are all made of
Utilize the filtering material for the only excessively oily only water that hydrophobic sur- face modification is handled.
6. cross-flow filtration oily-water seperating equipment according to claim 1, which is characterized in that the filter cylinder and strainer are used
Ranging from 5-300 μm of the micropore size of filtering material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115832.1U CN208087265U (en) | 2018-01-24 | 2018-01-24 | A kind of cross-flow filtration oily-water seperating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115832.1U CN208087265U (en) | 2018-01-24 | 2018-01-24 | A kind of cross-flow filtration oily-water seperating equipment |
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| Publication Number | Publication Date |
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| CN208087265U true CN208087265U (en) | 2018-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046375A (en) * | 2018-01-24 | 2018-05-18 | 北京北方科诚信息技术股份有限公司 | A kind of cross-flow filtration oily-water seperating equipment |
-
2018
- 2018-01-24 CN CN201820115832.1U patent/CN208087265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046375A (en) * | 2018-01-24 | 2018-05-18 | 北京北方科诚信息技术股份有限公司 | A kind of cross-flow filtration oily-water seperating equipment |
| CN108046375B (en) * | 2018-01-24 | 2024-01-23 | 北京歆德科技有限公司 | Cross-flow filtering oil-water separation device |
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