CN209985222U - Super-hydrophilic super-oleophobic metal net - Google Patents
Super-hydrophilic super-oleophobic metal net Download PDFInfo
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- CN209985222U CN209985222U CN201920308318.4U CN201920308318U CN209985222U CN 209985222 U CN209985222 U CN 209985222U CN 201920308318 U CN201920308318 U CN 201920308318U CN 209985222 U CN209985222 U CN 209985222U
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Abstract
The utility model discloses a super hydrophilic super oleophobic metal mesh, metal mesh are including setting up the plane net at the top layer and setting gradually four layers below the plane net are woven and are netted, metal mesh's surface is equipped with the metal oxide layer, the surface attachment on metal oxide layer has hydrophilic oily top layer of dredging. The utility model discloses, set up the metal oxide layer at the surface of metal mesh, the outer surface adhesion hydrophilic oleophobic top layer of metal oxide layer makes it have good chemical stability and mechanical stability, increase of service life, the wide advantage of adaptability to quality of water has simultaneously, backwash regeneration cycle prolongs one time, membrane flux retrieval 100% after the backwash, the regeneration ability is good, reduce membrane maintenance and replacement cost, improve economic suitability, the metal oxide layer has higher surface energy, present hydrophilic oleophobic characteristic, make out water quality of water meet the demands.
Description
Technical Field
The utility model relates to a metallic film technical field, concretely relates to super-hydrophilic super oleophobic metal mesh.
Background
At present, most oil fields in China adopt a secondary oil recovery (or tertiary oil recovery) process, a large amount of oil field wastewater is generated after crude oil is dehydrated, in order to ensure continuous high yield and stable stratum structure of a single well, the oil-containing wastewater is generally subjected to advanced treatment, water is reinjected to the underground by a high-pressure pump after reaching the reinjection water standard so as to increase stratum energy, improve extraction efficiency, reduce pollution and save water resources, and the oil-containing wastewater treatment mainly adopts a floating method, a biological method, a centrifugal separation method, a membrane treatment method and the like.
The membrane treatment method has the advantages of high efficiency, small equipment, less consumption, simple and convenient operation, easy realization of automatic control, easy industrial scale use and the like, is more and more widely used in the treatment of the produced water of the oil field, can be used as the reinjection water of the oil field, and has huge social and economic benefits and wide application prospect. However, the metal films used in the prior art film processing methods generally have the following disadvantages:
(1) the metal membrane has poor pollution resistance, the effluent quality can not meet the requirements, the membrane is frequently cleaned, the membrane regeneration capacity is poor, and the membrane treatment and use cost is high;
(2) when the membrane is used, the membrane flux is gradually reduced along with the time extension, the water yield is continuously reduced, the metal membrane is frequently replaced, and the cost is increased.
In view of this, there is an urgent need to improve the existing metal film, increase the structural stability, increase the anti-pollution and film regeneration capabilities of the metal film, reduce the film maintenance and replacement costs, increase the hydrophilic and oleophobic properties, and improve the economic applicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that there is stability, antipollution ability and membrane regeneration ability relatively poor in current metal film, and membrane maintenance and replacement cost are higher, and hydrophilic oleophobic characteristic is relatively poor, goes out the problem that water quality of water can not satisfy the demands.
In order to solve the technical problem, the utility model provides a super hydrophilic super oleophobic metal mesh, the metal mesh is including setting up the plane net at the top layer and setting gradually four layers of meshy net of plane net below, the surface of metal mesh is equipped with the metal oxide layer, the surface attachment on metal oxide layer has hydrophilic oleophobic top layer.
In the scheme, each layer of the woven net is composed of two rows of wavy steel wires and one row of straight steel wires, and the two rows of wavy steel wires are arranged in a relatively staggered manner, so that a gap for the straight steel wires to be inserted is formed in the middle of the two rows of wavy steel wires.
In the above scheme, the metal mesh is made of stainless steel.
In the above aspect, the pore size of the metal mesh is greater than or equal to 5 μm.
Compared with the prior art, the utility model discloses set up the metal oxide layer at the surface of metal mesh, the outer surface adhesion hydrophilic oleophobic top layer of metal oxide layer, make it have good chemical stability and mechanical stability, increase life, the wide advantage of adaptability to quality of water has simultaneously, backwash regeneration cycle prolongs one time, membrane flux retrieval 100% after the backwash, the regeneration capacity is good, reduce membrane maintenance and replacement cost, improve economic suitability, the metal oxide layer has higher surface energy, present hydrophilic oleophobic characteristic, make out water quality of water meet the demands.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the metal mesh of the present invention.
Detailed Description
The utility model provides a super hydrophilic super oleophobic metal mesh, the regeneration capacity is good, reduces membrane maintenance and replacement cost, improves economic suitability, and the metal oxide layer has higher surface energy, presents hydrophilic oleophobic characteristic, makes out water quality of water and satisfies the requirement, increases the stability and the life of metal mesh simultaneously. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in FIG. 1 and FIG. 2, the utility model provides a pair of super hydrophilic super oleophobic metal mesh 10, metal mesh 10 is including setting up the plane net at the top layer and set gradually four layers of meshy net in the plane net below, and metal mesh 10's surface is equipped with metal oxide layer 20, and metal oxide layer 20's surface attachment has hydrophilic oleophobic top layer 30.
Preferably, as shown in fig. 1, each layer of the woven mesh is composed of two rows of wavy steel wires and one row of straight steel wires, and the two rows of wavy steel wires are arranged in a staggered manner, so that a gap for the straight steel wires to be inserted into is formed in the middle of the two rows of wavy steel wires.
The utility model discloses a metal mesh 10 belongs to five layers of network structures of standard, stacks five layers of stainless steel net together according to the order, through the novel filtering material that vacuum sintering formed, this kind of design makes the plane net form protective layer 11, and four layers of meshy net form filter layer 12, dispersed layer 13, support casing ply 14 and casing ply 15 from top to bottom respectively.
This kind of metal mesh 10 has the following advantages:
(1) the high-strength high;
(2) the filter layer 12 is arranged on the second layer, so that the filter layer is well protected and shunted, the filter precision can reach uniform and consistent filter performance, and the high stability of the filter layer is ensured;
(3) the material of 316L is selected, so that the corrosion resistance and the heat resistance are good, the filter can be used for filtering at the temperature of-200-480 ℃ and in acid-base environments, and the application range is wide;
(4) the surface layer filtering structure with excellent countercurrent cleaning effect has excellent countercurrent cleaning effect, repeated use and long service life.
Preferably, the metal net 10 is made of stainless steel, and the aperture of the metal net 10 is greater than or equal to 5 μm.
According to the invention, the metal oxide layer 20 can be formed on the surface of the metal mesh 10 by an oxidation method, and the nano rough structure of the metal oxide has higher surface energy, water is very easy to infiltrate on the surface of the metal oxide layer, and the metal oxide layer has hydrophilic and oleophobic characteristics. In order to increase the hydrophilic and oleophobic properties of the metal mesh 10, the oxidized metal mesh 10 may be immersed in a modifying solution to attach a hydrophilic and oleophobic surface layer 30 to the outer periphery thereof, thereby further increasing the hydrophilic and oleophobic effects. The design method is to attach a layer of hydrophilic and oleophobic material on the outer surface of the metal mesh 10 to obtain the hydrophilic and oleophobic surface layer 30, while the hydrophilic and oleophobic material in the prior art is various, such as polyhydroxy polymers like polyhydroxy fatty acid amide.
The utility model provides a metal mesh has good chemical stability and mechanical stability, increases life, has the wide advantage of adaptability to quality of water simultaneously, and backwash regeneration cycle prolongs one time, and membrane flux restorability 100% after the backwash, and the regeneration ability is good, reduces membrane maintenance and replacement cost, improves economic suitability, and the metal oxide layer has higher surface energy, presents the oily characteristic of hydrophilic, makes out water quality of water meet the demands.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (4)
1. The utility model provides a super hydrophilic super oleophobic metal mesh, its characterized in that, the metal mesh is including setting up the plane net at the top layer and setting gradually four layers below the plane net are knitted the form net, the surface of metal mesh is equipped with the metal oxide layer, the surface attachment on metal oxide layer has hydrophilic oleophobic top layer.
2. The super-hydrophilic and super-oleophobic metal net according to claim 1, wherein each layer of the woven net is composed of two rows of wavy steel wires and one row of straight steel wires, and the two rows of wavy steel wires are arranged in a staggered manner, so that a gap for the straight steel wires to be inserted is formed in the middle of the two rows of wavy steel wires.
3. The super-hydrophilic and super-oleophobic metal mesh according to claim 1, characterized in that the metal mesh is made of stainless steel.
4. The superhydrophilic superoleophobic metal mesh of claim 1, wherein the pore size of the metal mesh is greater than or equal to 5 μ ι η.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920308318.4U CN209985222U (en) | 2019-03-12 | 2019-03-12 | Super-hydrophilic super-oleophobic metal net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920308318.4U CN209985222U (en) | 2019-03-12 | 2019-03-12 | Super-hydrophilic super-oleophobic metal net |
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| Publication Number | Publication Date |
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| CN209985222U true CN209985222U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920308318.4U Active CN209985222U (en) | 2019-03-12 | 2019-03-12 | Super-hydrophilic super-oleophobic metal net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821425A (en) * | 2019-03-12 | 2019-05-31 | 浙江金龙自控设备有限公司 | A kind of superhydrophilic superoleophobic metal mesh and preparation method thereof |
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2019
- 2019-03-12 CN CN201920308318.4U patent/CN209985222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821425A (en) * | 2019-03-12 | 2019-05-31 | 浙江金龙自控设备有限公司 | A kind of superhydrophilic superoleophobic metal mesh and preparation method thereof |
| CN109821425B (en) * | 2019-03-12 | 2024-03-29 | 浙江金龙自控设备有限公司 | Super-hydrophilic super-oleophobic metal net and preparation method thereof |
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