CN102520122B - Liquid film generating device with adjustable thickness - Google Patents
Liquid film generating device with adjustable thickness Download PDFInfo
- Publication number
- CN102520122B CN102520122B CN201110409622.6A CN201110409622A CN102520122B CN 102520122 B CN102520122 B CN 102520122B CN 201110409622 A CN201110409622 A CN 201110409622A CN 102520122 B CN102520122 B CN 102520122B
- Authority
- CN
- China
- Prior art keywords
- thickness
- knife
- liquid
- annular edge
- liquid membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 129
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims description 37
- 230000000712 assembly Effects 0.000 claims description 37
- 230000002209 hydrophobic effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 9
- 239000004809 Teflon Substances 0.000 claims description 7
- 229920006362 Teflon® Polymers 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 150000004756 silanes Chemical class 0.000 claims description 4
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical class [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a liquid film generating device with adjustable thickness, which comprises an upper ring assembly and a lower ring assembly, wherein the lower ring assembly comprises a metal conducting ring, a liquid guide layer, an annular cover plate and a hose connector, the upper surface of the metal conducting ring is provided with an annular groove, the liquid guide layer and the annular groove form a closed liquid supply empty groove, an overflow groove is formed between the annular cover plate and a lower annular knife edge, and the hose connector is externally connected with a liquid supply-pressure adjusting system and is communicated with the liquid supply empty groove. When the liquid supply-pressure adjusting system has positive pressure, the liquid discharged by the liquid guide layer can press the measured liquid into the liquid film through the overflow groove, so that the liquid film is thickened; when the liquid supply-pressure regulating system has negative pressure, the air outside the membrane can not enter the liquid guide layer, and only the liquid in the membrane overcomes the separation pressure and enters the liquid supply-pressure regulating system through the liquid guide layer, so that the liquid membrane is thinned. When the liquid film reaches the required thickness, a certain pressure difference is kept between the inside and the outside of the film, thereby realizing the adjustability and controllability of the thickness of the liquid film.
Description
Technical field
The present invention relates to foam film physicochemical property determinator, especially relating to one for example measures foam film and (also claims free liquid film, be designated hereinafter simply as liquid film) dynamic mechanical property, measure the adjustable device for generating liquid membrane of thickness of the disjoining pressure etc. of foam film.
Background technology
Foam system has a wide range of applications in industrial and agricultural production and daily life.Along with the development of petroleum industry, people are used for foam exploration, exploitation and the oil recovery fields such as drilling well, pressure break, acidifying, tertiary oil recovery more and more.The most important characteristic of foam system is the stability of foam.Research in the past shows, solution surface viscoelasticity is to foam stability important, but it is emphasized that this surperficial viscoelasticity is to measure in quite deep solution surface." a kind of new method of Measuring The Dynamic Mechanical Properties of Foam " (" petroleum prospecting and exploitation ", nineteen ninety-five, the third phase, 96th～99 pages) literary composition points out, more direct, closer with foam stabilization sexual intercourse should be free liquid film (free liquid film, FLF, or title foam film, sometimes be called for short liquid film) mechanical property, the viscoelastic determinator of a kind of free liquid film dynamic tensile is disclosed simultaneously.By two sharp edge annulus, pressed on ring hangs on the hook of electronic analytical balance, its locus transfixion in mensuration process.Lower ring is placed on liquid dish, between liquid dish and lower ring outside, is full of detected solution.It is the sinusoidal vibration within the scope of 0-5mm that liquid dish can do at the uniform velocity VTOL (vertical take off and landing) and amplitude under the driving of program control motor.Liquid dish rises, and makes upper and lower loop contacts, then makes liquid dish decline, and has just formed near cylindrical liquid film between upper and lower ring.Liquid in exudate dish, and do hydrophobic processing in the side of lower ring, contacting of other position of liquid film and bottom is cut off, then starter motor makes the moving lower ring of liquid dribbling do sinusoidal vibration, liquid film produces sinusoidal tensile strain, its amplitude, and frequency and phase place are input to two-pen recorder by displacement transducer, the alterante stress of the free liquid film that another notes records pressed on ring electronic analytical balance transmits, thus amplitude and the phase differential of strain and stress obtained.
Theoretical calculate and experimental result all show, the mechanical property (as stretching viscoelasticity, disjoining pressure etc.) of foam film has substantial connection with the thickness of foam film.But the free liquid film of mentioning in above-mentioned document, its thin and thick relies on natural gravity discharge opeing completely.Although can be according to liquid film electricity derivative according to the roughly thickness that judge roughly liquid film, then by cutting off THICKNESS CONTROL that the method for discharge opeing outlet can make liquid film within the specific limits, very difficult acquisition can be carried out the more consistent liquid film of Thickness Ratio of revision test.What is more important, in the experiment of more different foam liquid performances, the inconsistent liquid film of used thickness does not have essential meaning.In addition, in said method, the process of liquid film attenuate is irreversible, and in the time that liquid film is very thin, gravity drain age velocity is very slow, and the thin liquid film that obtain desired thickness need to expend for a long time.
Summary of the invention
For the defect in said method, the invention provides the adjustable device for generating liquid membrane of a kind of thickness, can produce as required the liquid film of certain thickness, and the thickness of liquid film can freely regulate and control.
Technical solution of the present invention is:
The device for generating liquid membrane that thickness is adjustable, wherein, this device comprises:
Upper ring assemblies, is the metal tray of a back-off and bottom hollow out, and the Pan Kou of this tray is provided with the annular edge of a knife;
Lower ring assemblies, comprises metallic conduction ring, and this conducting ring inner side is provided with and the described annular edge of a knife lower annular edge of a knife in opposite directions, the described annular edge of a knife and the identical and coaxial level of lower annular edge of a knife size; The outer circumferential side of the lower annular edge of a knife of described metallic conduction ring offers annular groove, and described lower ring assemblies also comprises:
Drain layer, for being located at the porous material layer on described annular groove top, the upper surface of this drain layer is lower than described lower annular edge of a knife setting, and described drain layer bottom surface and this annular groove enclose the feed flow dead slot that forms a sealing,
Annular cover plate, metal or teflon by hydrophobic processing are made, it can be fixed on the outer shroud of described metallic conduction ring with dismantling, and part hides in described drain layer top, between the inner peripheral of this annular cover plate and this lower annular edge of a knife, is formed with the overflow groove towards this device for generating liquid membrane center;
Hose adapter, is arranged on described metallic conduction ring, and this hose adapter is communicated with described feed flow dead slot, and external feed flow-pressure regulating system.
Described upper ring assemblies can move up and down by relatively described lower ring assemblies.
As mentioned above, the adjustable certain tool of device for generating liquid membrane of thickness of the present invention has the following advantages:
The device for generating liquid membrane that thickness of the present invention is adjustable, can produce as required certain thickness liquid film, and the thickness of liquid film can freely regulate and control.For example, for measuring the physicochemical property of foam film, liquid film tension force, mechanics, the electrical and optical properties of the foam films such as dynamic tensile viscoelasticity or disjoining pressure.
In addition, use device of the present invention, can obtain the liquid film thicker or thinner than natural gravity discharge opeing, and discharge opeing process is reversible, film thickness monitoring is comparatively accurate, is convenient to carry out revision test and contrast test.
Brief description of the drawings
The structural representation of the device for generating liquid membrane that Fig. 1 thickness of the present invention is adjustable;
The schematic top plan view of Fig. 2 lower ring assemblies of the present invention;
The left view of Fig. 3 lower ring assemblies of the present invention.
Main element label declaration:
Ring assemblies 1 metallic conduction ring under the upper ring assemblies B of A
2 drain layer 3 annular cover plate 4 hose adapter
The 5 times annular edge of a knife 6 overflow groove 7 feed flow dead slots
The annular edge of a knife on 8 feed flows-pressure regulating system, 9 liquid films 10
Embodiment
The device for generating liquid membrane that thickness of the present invention is adjustable, wherein, this device comprises ring assemblies and lower ring assemblies; Upper ring assemblies is the metal tray of a back-off and bottom hollow out, and the Pan Kou of this tray is provided with the annular edge of a knife; Lower ring assemblies is metallic conduction ring, and this conducting ring inner side is provided with and the described annular edge of a knife lower annular edge of a knife in opposite directions, the described annular edge of a knife and the identical and coaxial level of lower annular edge of a knife size; The outer circumferential side of the lower annular edge of a knife of described metallic conduction ring offers annular groove, and described lower ring assemblies also comprises drain layer, annular cover plate and hose adapter; Drain layer is the porous material layer of being located at described annular groove top, and the upper surface of this drain layer is lower than described lower annular edge of a knife setting, and described drain layer bottom surface and this annular groove enclose the feed flow dead slot that forms a sealing; Annular cover plate is made up of metal or the teflon of hydrophobic processing, it can be fixed on the outer shroud of described metallic conduction ring with dismantling, and part hides in described drain layer top, between the inner peripheral of this annular cover plate and this lower annular edge of a knife, is formed with the overflow groove towards this device for generating liquid membrane center; Hose adapter is arranged on described metallic conduction ring, and this hose adapter is communicated with described feed flow dead slot, and external feed flow-pressure regulating system.Described upper ring assemblies can move up and down by relatively described lower ring assemblies.
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast brief description of the drawings the specific embodiment of the present invention.
As shown in Figure 1 to Figure 3, for the side structure schematic diagram of structural representation, lower ring assemblies plan structure schematic diagram and the lower ring assemblies of the preferred embodiment of the adjustable device for generating liquid membrane of thickness of the present invention, in order to produce the adjustable liquid film of thickness 9, the device for generating liquid membrane that thickness of the present invention is adjustable comprises ring assemblies A and lower ring assemblies B; Wherein, upper ring assemblies A is the metal tray of a back-off and bottom hollow out, and the Pan Kou of this tray is provided with the annular edge of a knife 10; , on this, the annular edge of a knife 10 arranges down.Lower ring assemblies B comprises metallic conduction ring 1, and this conducting ring inner side is provided with and the described annular edge of a knife 10 lower annular edge of a knife 5 in opposite directions, and this lower annular edge of a knife 5 arranges upward, the described annular edge of a knife 10 and the identical and coaxial level of the lower annular edge of a knife 5 size, the upper annular edge of a knife 10 is oppositely arranged in vertical direction with the lower annular edge of a knife 5, the outer circumferential side of the lower annular edge of a knife 5 of described metallic conduction ring 1 offers annular groove, and described lower ring assemblies B also comprises drain layer 2, annular cover plate 3 and hose adapter 4, drain layer 2 is for being located at the porous material layer on described annular groove top, and the upper surface of this drain layer 2 arranges lower than the described lower annular edge of a knife 5, and described drain layer 2 bottom surface and this annular groove enclose the feed flow dead slot 7 that forms a sealing, annular cover plate 3 is made up of metal or the teflon of hydrophobic processing, and it can be fixed on the outer shroud of described metallic conduction ring 1 with dismantling, and part hides in described drain layer 2 top, this metallic conduction ring 1 top is divided into interior ring and outer shroud by the annular groove being provided with in this metallic conduction ring 1, and the internal diameter of annular cover plate 3 is larger than the external diameter of interior ring, be less than the internal diameter of outer shroud simultaneously, thereby in the time that annular cover plate 3 is fixed on the outer shroud of this metallic conduction ring 1, annular cover plate 3 arranges higher than the described lower annular edge of a knife 5, between the inner peripheral of this annular cover plate 3 and this lower annular edge of a knife 5, be formed with the overflow groove 6 towards this device for generating liquid membrane center, be described annular cover plate 3 inner peripherals, drain layer 2 upper surface and the lower annular edge of a knife 5 form by the little annular edge of a knife to the mobile overflow groove 6 of metallic conduction ring 1 internal direction.Described hose adapter 4 is arranged on described metallic conduction ring 1, this hose adapter 4 is communicated with described feed flow dead slot 7, and external feed flow-pressure regulating system 8, the liquid that feed flow-pressure regulating system 8 provides is injected in feed flow dead slot 7 via this hose adapter 4, and the amount that liquid injects is controlled by feed flow-pressure regulating system 8; Liquid can arrive in the overflow groove 6 of drain layer 2 top by the drain layer 2 being made of porous materials via feed flow dead slot 7, then passes through the center pit of the lower annular edge of a knife 5 overflows to metallic conduction ring 1.Whereby, the lower annular edge of a knife 5 can obtain the covering of liquid.Described upper ring assemblies A and described lower ring assemblies B are in opposite directions just to arranging, and upper ring assemblies A can descend ring assemblies B to move up and down relatively, thereby change the distance between the upper annular edge of a knife 10 and the lower annular edge of a knife 5.
Preferably, the device for generating liquid membrane that thickness of the present invention is adjustable, wherein, the upper surface of described drain layer 2 is lower than the described lower annular edge of a knife 1～2mm.Whereby, the part that drain layer 2 upper surface expose can form an overflow groove 6, in the time that liquid arrives drain layer 2 upper surface through drain layer 2, can gather certain depth at drain layer 2 upper surface, gone out by the lower annular edge of a knife 5 overflows again, improve homogeneity and the continuity of liquid film 9 feed flows.
As shown in the figure, the device for generating liquid membrane that thickness of the present invention is adjustable, in its preferred embodiment, the upper surface of described drain layer 2 is equal with the outer top surface of described annular groove; And in the time that annular cover plate 3 is fixed on metallic conduction ring 1, surge process annular cover plate 3 bottom surfaces can be adjacent to the upper surface of drain layer 2, make it form the structure of sealing relatively, whereby, upwards just can only tend to the lower annular edge of a knife 5 one side flow by the liquid of drain layer 2, and can not accumulate between drain layer 2 and annular cover plate 3.
The device for generating liquid membrane that thickness of the present invention is adjustable, preferably, described annular cover plate 3 is connected on the outer shroud of described metallic conduction ring 1 via screw.In manufacturing process, an available flat board seals drain layer 2 entirety, and porosint can be covered whole annular groove opening, after drain layer 2 completes, then pulls down flat board, annular cover plate 3 is fixed on metallic conduction ring 1 with screw.Certainly, annular cover plate 3 also can be fixed on metallic conduction ring 1 by other dismountable fixed forms, not as limit.
The device for generating liquid membrane that thickness of the present invention is adjustable, the size dimension of its overflow groove 6 is related to the size of the amount of liquid in overflow groove 6, thereby have influence on liquid film 9 and form the problems such as stability, preferably, overflow groove 6 width of the present invention are 0.1～2mm, be conducive to the conduction of liquid, liquid film 9 effects of its formation are better.Further, preferred overflow groove 6 width of the present invention are 0.1～0.5mm.
The device for generating liquid membrane that thickness of the present invention is adjustable, the size of the upper annular edge of a knife 10 and the lower annular edge of a knife 5 diameters directly has influence on the diameter of liquid film 9.In theory, in the situation that liquid film 9 is highly constant, diameter is larger, and liquid film 9 shapes more approach the face of cylinder, and such curved surface conveniently carries out the calculating of dynamic mechanics parameter and the mensuration of thickness.Consider space constraint, preferably, the diameter scope of the described annular edge of a knife 10 and the lower annular edge of a knife 5 is 10～200mm.And in preferred scheme, the device for generating liquid membrane that thickness of the present invention is adjustable, preferably, the diameter scope of the described annular edge of a knife 10 and the lower annular edge of a knife 5 is 50～120mm.
The device for generating liquid membrane that thickness of the present invention is adjustable, in order to improve result of use and the serviceable life of metallic conduction ring 1, preferably, the material of described metallic conduction ring 1 is heat-resisting, corrosion-resistant metal materials.Wherein, the material of described metallic conduction ring 1 can be stainless steel or platinum.
Annular cover plate 3 Available Materials are corrosion resistant metal or the nonmetallic materials such as stainless steel, platinum, teflon, glass.Coating is chlorosilane class reagent (as dichlorodimethylsilane) or carbon fluorine class hydrophobic material with hydrophobic material.In the time that annular cover plate 3 materials adopt teflon, due to itself hydrophobic, no longer need to apply hydrophobic material.
The device for generating liquid membrane that thickness of the present invention is adjustable, wherein, drain layer 2 also porosint is made, and for the space that makes drain layer both sides Shang Xia 2 seals relatively, air can not be entered in feed flow dead slot 7 via drain layer 2; Preferably, described porosint is hydrophilic porous material.Wherein, described porosint is preferably sintered glass; Also can make other strong hydrophilicity porosint.
Meanwhile, the thickness of the drain layer 2 of the device for generating liquid membrane that thickness of the present invention is adjustable is also relevant with size and the speed of the amount of liquid supply, and preferably, described drain layer 2 thickness range are 1～10mm, and its width range is 1～20mm.
The device for generating liquid membrane that thickness of the present invention is adjustable, in the time that annular cover plate 3 need to carry out hydrophobic processing, preferably, hydrophobic described in the present invention is treated to and adopts silanes or carbon fluorine class hydrophobic material to be coated on metal surface.Further, described silanes hydrophobic material is preferably dichlorodimethylsilane.
The adjustable device for generating liquid membrane of thickness of the present invention as above, please with reference to shown in Fig. 1 to Fig. 3, the process that the structure of its preferred embodiment and concrete enforcement are used is as follows:
The device for generating liquid membrane that thickness of the present invention is adjustable comprises ring assemblies A and lower ring assemblies B two parts, the metal tray of the bottom hollow out that described upper ring assemblies A is a back-off, the Pan Kou of tray has the upper annular edge of a knife 10, described lower ring assemblies B is metallic conduction ring 1, ring inner side has and the upper annular edge of a knife 10 lower annular edge of a knife 5 in opposite directions, the described annular edge of a knife 10 and the identical and coaxial level of the lower annular edge of a knife 5 size, wherein, lower ring assemblies B also comprises porosint drain layer 2, the metal of hydrophobic processing or teflon annular cover plate 3 and hose adapter 4, the one side of described metallic conduction ring 1 has annular groove, described drain layer 2 is positioned at annular groove top, and the upper surface of drain layer 2 is lower than the lower annular edge of a knife 5, drain layer 2 and inner feed flow dead slot 7 spaces that form a sealing of annular groove, annular cover plate 3 parts hide on drain layer 2 and the removable outside of being fixed on annular groove, between annular cover plate 3 and the lower annular edge of a knife 5, form overflow groove 6, hose adapter 4 is positioned on metallic conduction ring 1, its external feed flow-pressure regulating system 8 and communicating with feed flow dead slot 7.
The device for generating liquid membrane that thickness of the present invention is adjustable is by feed flow-pressure regulating system after filling liquid in feed flow dead slot, and liquid is through drain layer, and overflows gradually by chute overflow to metallic conduction ring center, makes on the lower annular edge of a knife fully Covering Liguid; Meanwhile, moving relative to vertical after contacting with the lower annular edge of a knife via the upper annular edge of a knife, can stretch and obtain liquid film 9 vertical, near cylindrical.Wherein, the hydraulics static pressure at the following annular edge of a knife of fluid pressure 5 places is zero.In the time that feed flow-pressure regulating system 8 has normal pressure, due to the surperficial hydrophobic of annular cover plate 3, the liquid that drain layer 2 is discharged can be pressed onto fluid to be measured in the liquid film 9 of the upper annular edge of a knife and lower annular edge of a knife stretching gained by overflow groove 6, and liquid film 9 is thickened; In the time that feed flow-pressure regulating system 8 has negative pressure, because the pore diameter of porosint is very little, and be strong hydrophilicity, film outer air can not enter drain layer 2, can only be that liquid overcomes disjoining pressure (or claiming wedge to press) and enters feed flow-pressure regulating system 8 by drain layer 2, liquid film 9 attenuates in film.The pore diameter of porosint is less, and spendable negative pressure is larger, and obtainable liquid film 9 thickness of institute are less, until newton's black film generates.Liquid film 9 thickness can be measured by outside interferometer.In the time that liquid film 9 reaches desired thickness, film is inside and outside keeps certain pressure differential, thereby realizes the adjustable, controlled of liquid film 9 thickness.
The device for generating liquid membrane that thickness of the present invention is adjustable, in can measuring according to foam film physicochemical property, needed thickness produces liquid film, and thickness is adjustable controlled.Foam film physicochemical property comprise the kinetic property such as the thermodynamic properties of some typical surfaces such as liquid film tension force, dynamic tensile viscoelasticity, and optics, the electrical properties etc. of liquid film.
The foregoing is only the schematic embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations and the amendment done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (15)
1. the adjustable device for generating liquid membrane of thickness, is characterized in that, this device comprises:
Upper ring assemblies, is the metal tray of a back-off and bottom hollow out, and the Pan Kou of this tray is provided with the annular edge of a knife;
Lower ring assemblies, comprises metallic conduction ring, and this conducting ring inner side is provided with and the described annular edge of a knife lower annular edge of a knife in opposite directions, the described annular edge of a knife and the identical and coaxial level of lower annular edge of a knife size; The outer circumferential side of the lower annular edge of a knife of described metallic conduction ring offers annular groove, and described lower ring assemblies also comprises:
Drain layer, for being located at the porous material layer on described annular groove top, the upper surface of this drain layer is lower than described lower annular edge of a knife setting, and described drain layer bottom surface and this annular groove enclose the feed flow dead slot that forms a sealing,
Annular cover plate, metal or teflon by hydrophobic processing are made, it can be fixed on the outer shroud of described metallic conduction ring with dismantling, and part hides in described drain layer top, between the inner peripheral of this annular cover plate and this lower annular edge of a knife, is formed with the overflow groove towards this device for generating liquid membrane center;
Hose adapter, is arranged on described metallic conduction ring, and this hose adapter is communicated with described feed flow dead slot, and external feed flow-pressure regulating system;
Described upper ring assemblies can move up and down by relatively described lower ring assemblies.
2. the adjustable device for generating liquid membrane of thickness as claimed in claim 1, is characterized in that, the upper surface of described drain layer is lower than the described lower annular edge of a knife 1～2mm.
3. the adjustable device for generating liquid membrane of thickness as claimed in claim 1 or 2, is characterized in that, the upper surface of described drain layer is equal with the outer top surface of described annular groove.
4. the adjustable device for generating liquid membrane of thickness as claimed in claim 1, is characterized in that, described annular cover plate is connected on the outer shroud of described metallic conduction ring via screw.
5. the adjustable device for generating liquid membrane of thickness as claimed in claim 1, is characterized in that, described isopipe width is 0.1～2mm.
6. the adjustable device for generating liquid membrane of thickness as claimed in claim 5, is characterized in that, described isopipe width is 0.1～0.5mm.
7. the adjustable device for generating liquid membrane of thickness as claimed in claim 1, is characterized in that, the diameter scope of the described annular edge of a knife and the lower annular edge of a knife is 10～200mm.
8. the adjustable device for generating liquid membrane of thickness as claimed in claim 7, is characterized in that, the diameter scope of the described annular edge of a knife and the lower annular edge of a knife is 50～120mm.
9. the adjustable device for generating liquid membrane of thickness as claimed in claim 1, is characterized in that, the material of described metallic conduction ring is heat-resisting, corrosion-resistant metal materials.
10. the adjustable device for generating liquid membrane of thickness as claimed in claim 9, is characterized in that, the material of described metallic conduction ring is stainless steel or platinum.
The adjustable device for generating liquid membrane of 11. thickness as claimed in claim 1, is characterized in that, described porosint is hydrophilic porous material.
The adjustable device for generating liquid membrane of 12. thickness as claimed in claim 11, is characterized in that, described porosint is sintered glass.
The adjustable device for generating liquid membrane of 13. thickness as claimed in claim 1, is characterized in that, described drain layer thickness scope is 1～10mm, and its width range is 1～20mm.
The adjustable device for generating liquid membrane of 14. thickness as claimed in claim 1, is characterized in that, described hydrophobic is treated to and adopts silanes or carbon fluorine class hydrophobic material to be coated on metal surface.
The adjustable device for generating liquid membrane of 15. thickness as claimed in claim 14, is characterized in that, described silanes hydrophobic material is dichlorodimethylsilane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110409622.6A CN102520122B (en) | 2011-12-09 | 2011-12-09 | Liquid film generating device with adjustable thickness |
| PCT/CN2012/079422 WO2013082949A1 (en) | 2011-12-09 | 2012-07-31 | Liquid film producing apparatus and apparatus for measuring dilatational viscoelasticity of liquid film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110409622.6A CN102520122B (en) | 2011-12-09 | 2011-12-09 | Liquid film generating device with adjustable thickness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102520122A CN102520122A (en) | 2012-06-27 |
| CN102520122B true CN102520122B (en) | 2014-07-23 |
Family
ID=46291110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110409622.6A Active CN102520122B (en) | 2011-12-09 | 2011-12-09 | Liquid film generating device with adjustable thickness |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102520122B (en) |
| WO (1) | WO2013082949A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520122B (en) * | 2011-12-09 | 2014-07-23 | 中国石油天然气股份有限公司 | Liquid film generating device with adjustable thickness |
| CN103861772B (en) * | 2014-03-12 | 2017-01-25 | 王元 | Glue applying method and device |
| CN105758797A (en) * | 2014-12-16 | 2016-07-13 | 有研国晶辉新材料有限公司 | Sample cell suitable for infrared spectroscopic analysis of corrosive liquid by liquid membrane method |
| CN106645144B (en) * | 2016-09-29 | 2019-04-12 | 河海大学常州校区 | A kind of flowing liquid membrane generating device and its application method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346947A (en) * | 1980-08-13 | 1982-08-31 | Citizen Watch Company Limited | Hydrostatic pressure gas-liquid double phase bearing |
| CN2938074Y (en) * | 2006-08-18 | 2007-08-22 | 伊鑫 | Liquid surface tension coefficient measuring instrument |
| CN200950116Y (en) * | 2006-07-18 | 2007-09-19 | 文景 | Liquid surface tension coefficient measuring instrument |
| CN202339339U (en) * | 2011-12-09 | 2012-07-18 | 中国石油天然气股份有限公司 | Liquid film generating device with adjustable thickness |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253513A (en) * | 1991-11-08 | 1993-10-19 | University Of Houston | Device for determining viscoelastic properties of liquids and a method for use |
| US7472584B2 (en) * | 2003-12-22 | 2009-01-06 | Eastman Chemical Company | Device to measure the solidification properties of a liquid film and method therefor |
| JP2011112597A (en) * | 2009-11-30 | 2011-06-09 | Shimadzu Corp | Light absorption analyzer |
| CN201803998U (en) * | 2010-06-21 | 2011-04-20 | 中国石油天然气股份有限公司 | Foam performance evaluation device |
| CN202339299U (en) * | 2011-12-01 | 2012-07-18 | 中国石油天然气股份有限公司 | Horizontal adjusting device for monofilament suspension plate weight increasing method |
| CN102520122B (en) * | 2011-12-09 | 2014-07-23 | 中国石油天然气股份有限公司 | Liquid film generating device with adjustable thickness |
-
2011
- 2011-12-09 CN CN201110409622.6A patent/CN102520122B/en active Active
-
2012
- 2012-07-31 WO PCT/CN2012/079422 patent/WO2013082949A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346947A (en) * | 1980-08-13 | 1982-08-31 | Citizen Watch Company Limited | Hydrostatic pressure gas-liquid double phase bearing |
| CN200950116Y (en) * | 2006-07-18 | 2007-09-19 | 文景 | Liquid surface tension coefficient measuring instrument |
| CN2938074Y (en) * | 2006-08-18 | 2007-08-22 | 伊鑫 | Liquid surface tension coefficient measuring instrument |
| CN202339339U (en) * | 2011-12-09 | 2012-07-18 | 中国石油天然气股份有限公司 | Liquid film generating device with adjustable thickness |
Non-Patent Citations (4)
| Title |
|---|
| An Analysis of the Factors Affecing Dynamic Tension Measurements with the Pulsating Bubble Surfactometer;C.-H. CHANG等;《JOURNAL OF COLLOID AND INTERFACE SCIENCE》;19941231;第107-113页 * |
| C.-H. CHANG等.An Analysis of the Factors Affecing Dynamic Tension Measurements with the Pulsating Bubble Surfactometer.《JOURNAL OF COLLOID AND INTERFACE SCIENCE》.1994, |
| 一种研究泡沫液膜性质的新方法;张禹负等;《石油勘探与开发》;19950630;第22卷(第3期);第96-99页 * |
| 张禹负等.一种研究泡沫液膜性质的新方法.《石油勘探与开发》.1995,第22卷(第3期), |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013082949A1 (en) | 2013-06-13 |
| CN102520122A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102520122B (en) | Liquid film generating device with adjustable thickness | |
| RU2432572C2 (en) | Method of shear test of soil with simultaneous determination of porous pressure and device for its implementation | |
| Walls et al. | Capillary displacement of viscous liquids | |
| US20060117836A1 (en) | Centrifuge permeameter for unsaturated soils system | |
| Zhang et al. | A piezoelectric micropump with an integrated sensor based on space-division multiplexing | |
| CN105705699B (en) | The system and method alleviated for scraper load and vibration measurement and blade vibration | |
| CN201716255U (en) | Rock permeability testing device | |
| CN101294886B (en) | Microcurrent controlled chip device for fast detecting interface surface tension | |
| CN102384966B (en) | High-temperature high-pressure linear expansion measuring instrument | |
| Robert de Saint Vincent et al. | Real-time droplet caliper for digital microfluidics | |
| CN106885762A (en) | Closed loop liquid drop microfluidic system based on capacitance detecting | |
| CN204374166U (en) | A kind of multi-angle acid corrosion fracture proving installation | |
| CN202339339U (en) | Liquid film generating device with adjustable thickness | |
| CN209707317U (en) | Dynamic load perturbation process rock permeability test macro | |
| CN202033263U (en) | Miniature detection cell for quartz crystal microbalance | |
| Zhang et al. | On-chip micro pressure sensor for microfluidic pressure monitoring | |
| CN203224426U (en) | MHC coupling seepage experiment device for circumferential crack rock test piece | |
| CN105699210A (en) | Dynamic powder flowing behavior analyzer | |
| CN202974796U (en) | Liquid film expansion viscoelasticity measuring device | |
| CN102818750B (en) | Liquid film expansion viscoelasticity measuring device | |
| RU139629U1 (en) | STAND FOR CREATING A WAVE IMPACT ON CORE MATERIAL OF OIL AND GAS-CONDENSATE DEPOSIT COLLECTORS | |
| RU154133U1 (en) | DEVICE FOR A NON-CONTACT METHOD FOR DETERMINING SUBSTANCE UNIFORMITY | |
| Wu et al. | The development and test of a sensor for measurement of the working level of gas–liquid two-phase flow in a coalbed methane wellbore annulus | |
| CN105300846B (en) | A kind of monitoring method for meter level dimensional area liquid medium measuring surface pressure | |
| CN204694589U (en) | A kind of device for measuring slip casting limiting shearing stress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |