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CN106678547B - A kind of spontaneous anti-gravity transports underwater oil pump of tiny oil droplets and its preparation method and application - Google Patents

A kind of spontaneous anti-gravity transports underwater oil pump of tiny oil droplets and its preparation method and application Download PDF

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CN106678547B
CN106678547B CN201611023177.9A CN201611023177A CN106678547B CN 106678547 B CN106678547 B CN 106678547B CN 201611023177 A CN201611023177 A CN 201611023177A CN 106678547 B CN106678547 B CN 106678547B
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underwater
copper mesh
oil droplets
superoleophobic
gravity
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CN106678547A (en
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刘克松
张亚欣
彭云
贲霜
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Beihang University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/14—Conveying liquids or viscous products by pumping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F99/00—Subject matter not provided for in other groups of this subclass

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  • General Engineering & Computer Science (AREA)
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Abstract

本发明公开了一种自发反重力输运微小油滴的水下油泵及其制备方法和应用，属于功能材料及流体控制技术领域。本发明将水下超疏油铜网与石英玻璃管材组装起来，并在所述的石英玻璃管材内壁、水下超疏油铜网的上表面，均覆盖水下亲油材料层，制得自发反重力输运微小油滴的水下油泵。与所述水下超疏油铜网下表面接触的油滴会在拉普拉斯压的推动下，向石英玻璃管材内部运动，可持续进行水下微小油滴的富集和定向连续自输运，可循环使用。本发明制备方法简单，原料易得，成本低，在生产、环保等领域具有广泛应用。

The invention discloses an underwater oil pump capable of spontaneously anti-gravity transporting tiny oil droplets, a preparation method and application thereof, and belongs to the technical field of functional materials and fluid control. In the invention, the underwater superoleophobic copper mesh and the quartz glass pipe are assembled, and the inner wall of the quartz glass pipe and the upper surface of the underwater superoleophobic copper mesh are covered with an underwater lipophilic material layer, so as to obtain a spontaneous An underwater oil pump that transports tiny oil droplets against gravity. The oil droplets in contact with the lower surface of the underwater superoleophobic copper mesh will move to the inside of the quartz glass tube under the push of Laplace pressure, and the enrichment and directional continuous self-transport of small underwater oil droplets can be carried out continuously. Yes, it can be recycled. The preparation method of the invention is simple, the raw materials are easily obtained, the cost is low, and the invention has wide application in the fields of production, environmental protection and the like.

Description

A kind of spontaneous anti-gravity transport underwater oil pump of tiny oil droplets and preparation method thereof and Using
Technical field
The invention belongs to functional material and fluid control technology fields, and in particular to underwater tiny oil droplets can be achieved certainly in one kind The preparation method and application for the underwater oil pump that hair anti-gravity transports.
Background technique
The directed transport behavior of liquid is usually required using the realization of the pushing meanss such as mechanical pump, and this method not only will increase Difficulty of construction can also consume mass energy.During liquid transport, can continuous directed transport in production and living more It has important practical significance.Currently, the obtaining from underwater installation of petroleum accounts for very big share, in recovery process, how efficiently into It is major issue that row oil product, which is enriched with and transports,.
Influence by research surface of solids wellability to liquid motion can be protected utmostly using underwater superoleophobic material The characteristic of the surface energy of trapped fuel, oil droplet can be realized in the surface discharged when enabling underwater tiny oil droplets only by merging with liquid level Anti-gravity from transporting, and by designing reasonable device, continuously transporting for underwater oil droplet can be achieved.
Summary of the invention
For the deficiency of underwater oil product enrichment and transport technique, the present invention provides a kind of spontaneous anti-gravity and transports tiny oil droplets Underwater oil pump and its preparation method and application.Underwater superoleophobic copper mesh is fixed on to the end of quartz glass tubing by clip End, and inside the quartz glass tubing, underwater superoleophobic copper mesh upper surface fill underwater lipophilic material layer, and it is described underwater The oil droplet of superoleophobic copper mesh following table face contact, to quartz glass tubing internal motion, can be realized under the promotion that Laplce presses The collection of oil droplet and anti-gravity transport, i.e., the underwater oil pump of tiny oil droplets is transported for spontaneous anti-gravity.
A kind of spontaneous anti-gravity transports the underwater oil pump of tiny oil droplets, specifically includes the following steps:
Step 1, copper mesh pretreatment；
The copper mesh that aperture is 400~900 μm is immersed in ethyl alcohol, is cleaned by ultrasonic 10min, is washed with deionized water, then soak Enter in 1M hydrochloric acid solution, is cleaned by ultrasonic 10min, is washed with deionized water, dries, it is spare；
Step 2 prepares underwater superoleophobic copper mesh；
Sodium hydroxide solution is mixed with ammonium persulfate solution, is uniformly mixing to obtain mixed solution, by pretreated copper mesh It immerses in mixed solution after reacting 8min and takes out, be washed with deionized water, dry, obtain underwater superoleophobic copper mesh, it is spare；
The concentration of the sodium hydroxide solution is 4.5~5.5M, and the concentration of the ammonium persulfate solution is 0.0125 ~0.0175M.The volume ratio that the sodium hydroxide solution is mixed with ammonium persulfate solution is 1:0.8~1:1.2.
Step 3 prepares the underwater oil pump that spontaneous anti-gravity transports tiny oil droplets；
Aperture prepared by step 2 is assembled in 400~900 μm of underwater superoleophobic copper mesh with quartz glass tubing, Underwater superoleophobic copper mesh is specially fixed on to the end of quartz glass tubing with clip, and in the quartz glass tubing The upper surface of wall, underwater superoleophobic copper mesh, covers underwater lipophilic material layer, the water that spontaneous anti-gravity transports tiny oil droplets is made Lower oil pump.
Preferably, the aperture is at 400~600 μm.
The internal diameter of the quartz glass tubing is 6~10mm.
Lipophilic material layer in the quartz glass tubing inner wall is oil reservoir, preferably underwater lipophilic material layer with a thickness of 3mm~5mm.
The spontaneous anti-gravity that the above method is prepared transports the underwater oil pump of tiny oil droplets, can be straight by device It connects and is placed under water, continuously transported for the underwater tiny oil droplets in no additional power, realize the collection and bob-weight of oil droplet Power transport.
The present invention has the advantages that
1, the present invention proposes a kind of underwater oil pump that spontaneous anti-gravity can be achieved and transport tiny oil droplets, and preparation method is simple, Raw material is easy to get, at low cost.
2, the present invention proposes a kind of underwater oil pump that spontaneous anti-gravity can be achieved and transport tiny oil droplets, can be used for underwater small The enrichment of oil droplet and orientation have in fields such as production, environmental protection and are widely applied continuously from transporting.
3, the present invention proposes a kind of preparation method that spontaneous anti-gravity can be achieved and transport the underwater oil pump of tiny oil droplets, the party The preparation-obtained underwater oil pump device of method is pollution-free, and the sustainable enrichment for carrying out underwater tiny oil droplets and orientation are continuously from defeated Fortune, can be recycled.
Detailed description of the invention
Figure 1A: the underwater of underwater oil pump for transporting tiny oil droplets for spontaneous anti-gravity prepared by the embodiment of the present invention 1 surpasses The oleophobic effects photo of oleophobic copper mesh.
Figure 1B: the underwater of underwater oil pump for transporting tiny oil droplets for spontaneous anti-gravity prepared by the embodiment of the present invention 1 surpasses The surface scan electromicroscopic photograph of oleophobic copper mesh.
Fig. 2: the schematic illustration of the underwater oil pump of tiny oil droplets is transported in the present invention for spontaneous anti-gravity.
Fig. 3: the real process photo of tiny oil droplets is transported in the embodiment of the present invention 1 for spontaneous anti-gravity.
Fig. 4: the real process photo of tiny oil droplets is transported in the embodiment of the present invention 2 for continuous spontaneous anti-gravity.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
The present invention provides a kind of underwater oil pumps that tiny oil droplets are transported for spontaneous anti-gravity, as shown in Fig. 2, described Underwater oil pump includes that underwater superoleophobic copper mesh and quartz glass tubing, the underwater superoleophobic copper mesh are fixed on stone by clip One end of English glass tubing, and inside the quartz glass tubing, the underwater oleophylic material of underwater superoleophobic copper mesh upper surface filling The bed of material forms underwater oil pump.The quartz glass material is placed vertically, underwater superoleophobic copper mesh surpasses in lower section with described under water The oil droplet of oleophobic copper mesh following table face contact, to quartz glass tubing internal motion, can be realized anti-under the promotion that Laplce presses Gravity transports tiny oil droplets.
The internal diameter of the quartz glass tubing 2 is 6mm, and the aperture of the underwater superoleophobic copper mesh is 400~900 μm, excellent Select 400~600 μm.
The underwater lipophilic material layer be oil reservoir, underwater lipophilic material layer with a thickness of 3mm~5mm.
A kind of preparation method of the underwater oil pump that tiny oil droplets are transported for spontaneous anti-gravity, including walk as follows It is rapid:
Step 1, copper mesh pretreatment；
The copper mesh that aperture is 400~900 μm is immersed in ethyl alcohol, is cleaned by ultrasonic 10min, is washed with deionized water, then soak Enter in 1M hydrochloric acid solution, is cleaned by ultrasonic 10min, is washed with deionized water, dries, it is spare；
Step 2 prepares underwater superoleophobic copper mesh；
Sodium hydroxide solution is mixed with ammonium persulfate solution, is uniformly mixing to obtain mixed solution, by pretreated copper mesh It immerses in mixed solution after reacting 8min and takes out, be washed with deionized water, dry, obtain underwater superoleophobic copper mesh, it is spare；
The concentration of the sodium hydroxide solution is 4.5~5.5M, and the concentration of the ammonium persulfate solution is 0.0125 ~0.0175M.The volume ratio that the sodium hydroxide solution is mixed with ammonium persulfate solution is 1:0.8~1:1.2.
Step 3 prepares the underwater oil pump that spontaneous anti-gravity transports tiny oil droplets；
Aperture prepared by step 2 is assembled in 400~900 μm of underwater superoleophobic copper mesh with quartz glass tubing, Underwater superoleophobic copper mesh is specially fixed on to the end of quartz glass tubing with clip, and in the quartz glass tubing The upper surface of wall, underwater superoleophobic copper mesh, covers underwater lipophilic material layer, the water that spontaneous anti-gravity transports tiny oil droplets is made Lower oil pump.
Embodiment 1
Step 1, copper mesh pretreatment；
The copper mesh that aperture is 400 μm is immersed in ethyl alcohol, is cleaned by ultrasonic 10min, is washed with deionized water, then immerse 1M salt In acid solution, it is cleaned by ultrasonic 10min, is washed with deionized water, dries, it is spare.
Step 2 prepares underwater superoleophobic copper mesh；
Sodium hydroxide solution is mixed with ammonium persulfate solution, is uniformly mixing to obtain mixed solution, by pretreated copper mesh It immerses in mixed solution after reacting 8min and takes out, be washed with deionized water, dry, obtain underwater oleophobic copper mesh, it is spare；
As shown in FIG. 1A and 1B, the underwater superoleophobic copper mesh surface has acicular coarse structure, underwater oil Contact angle is up to 150 ° or so.
The concentration of the sodium hydroxide solution is 5.5M, and the concentration of the ammonium persulfate solution is 0.0175M.It is described Sodium hydroxide solution and ammonium persulfate solution volume ratio be 1:0.8.
Step 3 prepares the underwater oil pump that spontaneous anti-gravity transports tiny oil droplets；
The aperture of step 2 preparation is fixed on to the end of quartz glass tubing, system in 400 μm of underwater superoleophobic copper mesh The underwater oil pump of tiny oil droplets is transported derived from hair anti-gravity.It is vertical to place obtained underwater oil pump, into quartz glass tubing 3~5mm oil reservoir is added dropwise as lipophilic material layer.As shown in figure 3, using underwater oleophobic syringe by oil droplet continuative transport under water Oil pump lower surface is simultaneously contacted with underwater superoleophobic copper mesh, and due to the effect of Laplce's pressure, top oil reservoir is continuously lifted, and is realized Anti-gravity oil droplet transports.
Embodiment 2
Step 1, copper mesh pretreatment；
The copper mesh that aperture is 900 μm is immersed in ethyl alcohol, is cleaned by ultrasonic 10min, is washed with deionized water, then immerse 1M salt In acid solution, it is cleaned by ultrasonic 10min, is washed with deionized water, dries, it is spare；
Step 2 prepares underwater oleophobic copper mesh；
Sodium hydroxide solution is mixed with ammonium persulfate solution, is uniformly mixing to obtain mixed solution, by pretreated copper mesh It immerses in mixed solution after reacting 8min and takes out, be washed with deionized water, dry, obtain underwater oleophobic copper mesh, it is spare；
The concentration of the sodium hydroxide solution is 4.5M, and the concentration of the ammonium persulfate solution is 0.0125M.It is described Sodium hydroxide solution and ammonium persulfate solution volume ratio be 1:1.2.
Step 3 prepares the underwater oil pump that spontaneous anti-gravity transports tiny oil droplets；
Aperture prepared by step 2 is assembled in 900 μm of underwater oleophobic copper mesh with quartz glass tubing, clip is used It is fixed, the underwater oil pump that continuous spontaneous anti-gravity transports tiny oil droplets is made.It is vertical to place obtained underwater oil pump, to quartz The oil reservoir of 3~5mm is added dropwise in glass tubing as lipophilic material layer.As shown in figure 4, oil droplet is connected using underwater oleophobic syringe Reforwarding is defeated to be contacted to underwater oil pump lower surface and with underwater superoleophobic copper mesh, due to the effect of Laplce's pressure, top oil reservoir quilt The platform of 6cm high is continuously raised to, it can be achieved that continuous spontaneous anti-gravity oil droplet transports.
Embodiment 3
Step 1, copper mesh pretreatment；
The copper mesh that aperture is 600 μm is immersed in ethyl alcohol, is cleaned by ultrasonic 10min, is washed with deionized water, then immerse 1M salt In acid solution, it is cleaned by ultrasonic 10min, is washed with deionized water, dries, it is spare；
Step 2 prepares underwater oleophobic copper mesh；
Sodium hydroxide solution is mixed with ammonium persulfate solution, is uniformly mixing to obtain mixed solution, by pretreated copper mesh It immerses in mixed solution after reacting 8min and takes out, be washed with deionized water, dry, obtain underwater oleophobic copper mesh, it is spare；
The concentration of the sodium hydroxide solution is 4.5M, and the concentration of the ammonium persulfate solution is 0.0125M.It is described Sodium hydroxide solution and ammonium persulfate solution volume ratio be 1:0.8.
Step 3 prepares the underwater oil pump that spontaneous anti-gravity transports tiny oil droplets；
Aperture prepared by step 2 is assembled in 600 μm of underwater oleophobic copper mesh with quartz glass tubing, clip is used It is fixed, the underwater oil pump that continuous spontaneous anti-gravity transports tiny oil droplets is made.It is vertical to place obtained underwater oil pump, to quartz Oil reservoir is added dropwise in glass tubing as lipophilic material layer.It will be under oil droplet continuative transport to underwater oil pump using underwater oleophobic syringe Surface is simultaneously contacted with underwater superoleophobic copper mesh, and due to the effect of Laplce's pressure, top oil reservoir is continuously lifted, it can be achieved that continuous Spontaneous anti-gravity oil droplet transport.

Claims (4)

1.一种自发反重力输运微小油滴的水下油泵的制备方法，其特征在于：包括如下步骤，1. a preparation method of the underwater oil pump of spontaneous anti-gravity transport tiny oil droplets, is characterized in that: comprise the steps, 步骤一，铜网预处理；Step 1, copper mesh pretreatment; 将铜网浸入乙醇中，超声清洗10min，用去离子水洗净，再浸入1M盐酸溶液中，超声清洗10min，用去离子水洗净，晾干，备用；所述铜网的孔径为400～900μm；The copper mesh was immersed in ethanol, ultrasonically cleaned for 10 minutes, washed with deionized water, then immersed in a 1M hydrochloric acid solution, ultrasonically cleaned for 10 minutes, washed with deionized water, air-dried, and used for later use; the pore size of the copper mesh was 400~ 900μm; 步骤二，制备水下超疏油铜网；Step 2, prepare underwater superoleophobic copper mesh; 将氢氧化钠溶液与过硫酸铵溶液混合，搅拌均匀得到混合溶液，将预处理的铜网浸入混合溶液中反应时间为8min，取出用去离子水洗净，晾干，得到水下超疏油铜网，备用；Mix the sodium hydroxide solution and the ammonium persulfate solution, stir evenly to obtain a mixed solution, immerse the pretreated copper mesh in the mixed solution for a reaction time of 8 minutes, take it out, wash it with deionized water, and dry it to obtain underwater superoleophobicity. Copper mesh, spare; 所述的氢氧化钠溶液的浓度为4.5～5.5M，所述的过硫酸铵溶液的浓度为0.0125～0.0175M；所述的氢氧化钠溶液与过硫酸铵溶液进行混合的体积比为1:0.8～1:1.2；The concentration of described sodium hydroxide solution is 4.5～5.5M, the concentration of described ammonium persulfate solution is 0.0125～0.0175M; The volume ratio that described sodium hydroxide solution and ammonium persulfate solution are mixed is 1: 0.8～1:1.2; 步骤三，制备自发反重力输运微小油滴的水下油泵；Step 3, prepare an underwater oil pump that spontaneously transports tiny oil droplets against gravity; 将步骤二制备的水下超疏油铜网与石英玻璃管材组装起来，具体为将水下超疏油铜网用夹子固定在石英玻璃管材的末端，并在所述的石英玻璃管材内壁、水下超疏油铜网的上表面，均覆盖水下亲油材料层，与所述水下超疏油铜网下表面接触的油滴会在拉普拉斯压的推动下，向石英玻璃管材内部运动，实现了油滴的收集和反重力输运，制得自发反重力输运微小油滴的水下油泵；将所述的水下油泵直接置于水下，并且竖直放置，水下超疏油铜网位于下方，在无附加动力情况下，水下微小油滴连续向上输运，实现油滴的收集和反重力运输。Assemble the underwater superoleophobic copper mesh prepared in step 2 and the quartz glass pipe, specifically fixing the underwater superoleophobic copper mesh on the end of the quartz glass pipe with a clip, and attaching the inner wall of the quartz glass pipe, water The upper surface of the lower superoleophobic copper mesh is covered with an underwater lipophilic material layer, and the oil droplets that are in contact with the lower surface of the underwater superoleophobic copper mesh will be pushed by the Laplace pressure to the quartz glass tube. The internal movement realizes the collection of oil droplets and anti-gravity transportation, and makes an underwater oil pump for spontaneously anti-gravity transportation of tiny oil droplets; the underwater oil pump is directly placed underwater, and placed vertically, underwater. The superoleophobic copper mesh is located below, and in the absence of additional power, the tiny underwater oil droplets are continuously transported upwards, realizing the collection and anti-gravity transportation of oil droplets. 2.根据权利要求1所述的一种自发反重力输运微小油滴的水下油泵的制备方法，其特征在于：所述铜网的孔径为400～600μm。2 . The method for preparing an underwater oil pump for spontaneously anti-gravity transportation of tiny oil droplets according to claim 1 , wherein the aperture of the copper mesh is 400-600 μm. 3 . 3.一种自发反重力输运微小油滴的水下油泵，其特征在于：所述的自发反重力输运微小油滴的水下油泵采用权利要求1所述的制备方法制备得到；包括水下超疏油铜网和石英玻璃管材，将水下超疏油铜网用夹子固定在石英玻璃管材的末端，并在所述的石英玻璃管材内壁、水下超疏油铜网的上表面，均覆盖水下亲油材料层，与所述水下超疏油铜网下表面接触的油滴会在拉普拉斯压的推动下，向石英玻璃管材内部运动，实现了油滴的收集和反重力输运，制得自发反重力输运微小油滴的水下油泵；所述石英玻璃管材的内径为6～10mm；所述的水下亲油材料层为油层，厚度为3mm～5mm。3. an underwater oil pump for spontaneous anti-gravity transport tiny oil droplets, is characterized in that: the underwater oil pump for described spontaneous anti-gravity transport tiny oil droplets is prepared by the preparation method described in claim 1; comprising water Under the superoleophobic copper mesh and the quartz glass pipe, the underwater superoleophobic copper mesh is fixed on the end of the quartz glass pipe with a clip, and on the inner wall of the quartz glass pipe and the upper surface of the underwater superoleophobic copper mesh, They are all covered with an underwater lipophilic material layer, and the oil droplets in contact with the lower surface of the underwater superoleophobic copper mesh will move to the inside of the quartz glass tube under the push of Laplace pressure, realizing the collection of oil droplets and the Anti-gravity transportation is used to prepare an underwater oil pump for spontaneously anti-gravity transportation of tiny oil droplets; the inner diameter of the quartz glass pipe is 6-10 mm; the underwater lipophilic material layer is an oil layer, with a thickness of 3 mm-5 mm. 4.一种自发反重力输运微小油滴的水下油泵的应用，其特征在于：所述的自发反重力输运微小油滴的水下油泵采用权利要求1所述的制备方法制备得到；将所述的水下油泵直接置于水下，并且竖直放置，水下超疏油铜网位于下方，在无附加动力情况下，水下微小油滴连续向上输运，实现油滴的收集和反重力运输。4. the application of the underwater oil pump of a kind of spontaneous antigravity transport tiny oil droplet, it is characterized in that: the underwater oil pump of described spontaneous antigravity transport tiny oil droplet adopts the preparation method described in claim 1 to prepare; The underwater oil pump is directly placed underwater and placed vertically, and the underwater superoleophobic copper mesh is located below. In the case of no additional power, the small underwater oil droplets are continuously transported upward to realize the collection of oil droplets and anti-gravity transport.
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CN105154863A (en) * 2015-09-02 2015-12-16 北京航空航天大学 Composite copper mesh capable of controlling transport direction of liquid, and preparation method thereof

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