CN109596499A - A kind of visual pore model cleaning and test observation connect system - Google Patents
A kind of visual pore model cleaning and test observation connect system Download PDFInfo
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- CN109596499A CN109596499A CN201811603080.4A CN201811603080A CN109596499A CN 109596499 A CN109596499 A CN 109596499A CN 201811603080 A CN201811603080 A CN 201811603080A CN 109596499 A CN109596499 A CN 109596499A
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- 239000011148 porous material Substances 0.000 title claims abstract description 107
- 230000000007 visual effect Effects 0.000 title claims abstract description 105
- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 33
- 238000010146 3D printing Methods 0.000 claims description 29
- 229920000728 polyester Polymers 0.000 claims description 19
- 238000007639 printing Methods 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010147 laser engraving Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- General Health & Medical Sciences (AREA)
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Abstract
Provide a kind of visual pore model cleaning and test observation system, it include: the first syringe pump, visual pore model, second syringe pump, wherein, the first port of first syringe pump and the visual pore model is removably tightly connected by the first connector, and the second port of second syringe pump and the visual pore model is removably tightly connected by the second connector；Wherein, the visual pore model is flat plate model, and it is rectangle that first port and second port, which are the part that rectangular port, the first connector and the second connector connect with the visual pore model, to match with first port and second port；Wherein, in cleaning operation, the fluid that first syringe pump provides injects the visual pore model by the first connector and is flowed out by the second connector；In test operation, first syringe pump and the second syringe pump provide the constant speed or constant pressure injection of fluid jointly.
Description
Technical field
This application involves multiphase fluidflow behavior measure technical field in pore structure more particularly to a kind of rectangular sections
Locate connection system.
Background technique
The fast development of 3D printing technique in recent years is that convenient manufacture labyrinth model provides a great convenience.In conjunction with
Transparent polyester material, which is printed, also visualizes pore structure model for manufacture, and then studies the fluid displacement row in pore structure
To provide new thinking.In order to facilitate the heterogeneous fluid displacement behavior in record Complicated Pore Structures, model is typically designed to
Thin slice see-through model, entrance cross section are mostly narrower rectangular section.In displacement test, by high speed camera record cast
The flow behavior of portion's fluid, and then analyze heterogeneous fluid displacement rule in Complicated Pore Structures.
Conventional laser engraving or chemical etching method cost of manufacture height, manufacture difficulty are big, and professional and equipment is needed to carry out
Production.The fast development of 3D printing technique changes this predicament, can be by saturating after the geometrical morphology design for having carried out model
The manufacture of bright polyester material and 3D printing technique automation implementation model, fabrication cycle is short, at low cost, all processes are by computer
It automatically controls.3D printing technique can realize the integrated molding of Complicated Pore Structures model and cover board, enormously simplify modelling
Process.3D printing technique can realize that the fluctuating of Z-direction pore structure pattern is portrayed simultaneously, can make conventional laser engraving or chemistry
Lithographic method is difficult to the threedimensional model made.Due to these advantages of 3D printing technique, the visual hole mould of manufacture has been become
A kind of novel method of type.
However it uses 3D printing technique to manufacture visual pore model and carry out displacement experiment and is equally faced with some problems.It is first
First in order to guarantee printing precision, fid is temporarily usually filled in the pore structure for above covering material during 3D printing
Material, and backing material is cleaned after model forming, ultimately form visual pore model.Conventional clean mode is mostly by model
It is soaked into cleaning solution, backing material is dissolved by cleaning solution, to achieve the purpose that cleaning.In order to accelerate cleaning speed
Model and cleaning solution, can be put into supersonic wave cleaning machine by degree.Even however being put into supersonic wave cleaning machine, cleaning rate
It is still undesirable.This is mainly due to tortuous pore structures complicated inside pore structure, and cleaning solution and backing material to be caused to lack
Enough contacts area, cleaning solution are entered Complicated Pore Structures by way of diffusion and are not achieved to the quick clear of backing material
Reason.For quickly cleaning for implementation model inside backing material, it need to make cleaning solution by way of convection current by complicated hole knot
Structure moves in circles and realizes washing away and clear up to backing material.A critical issue is visual at realization rectangular section among these
Effective connection of pore model and circulation injecting systems.
Secondly, carrying out displacement examination using visual pore model prepared by transparent polyester material and 3D printing technique in laboratory
Observation is tested, by the flow behavior of high speed camera record cast internal flow, needs to guarantee the airtight connection of entire test macro,
Realize the accurate control of injection pressure or flow velocity.Critical issue among these is equally to realize visual pore model at rectangular section
With effective airtight connection of pressure or flow velocity control system.
Therefore, in view of the above-mentioned problems, developing attachment device at a kind of visual hole model rectangular section, rapidly and repeatedly
Realizing that visual pore model is connect with cleaning or the antiseepage resistance to compression of injected system is particularly important.
Summary of the invention
In view of this, this application provides a kind of visual pore model cleanings and test observation to connect system, can quickly,
It repeatedly realizes that visual pore model and the antiseepage resistance to compression of cleaning or injected system are connect, is completed at the same time the clear of visual pore model
Wash and fluid displacement Visualization in model and injected system connection.
Provide a kind of visual pore model cleaning and test observation system, comprising: the first syringe pump, visual hole mould
Type, the second syringe pump, wherein the first port of first syringe pump and the visual pore model is removable by the first connector
Dress ground is tightly connected, and the second port of second syringe pump and the visual pore model is removably close by the second connector
Envelope connection；
Wherein, the visual pore model is flat plate model, and first port and second port are rectangular port, and first connects
The part that head and the second connector connect with the visual pore model is rectangle, to match with first port and second port；
Wherein, in cleaning operation, the fluid that first syringe pump provides injects the viewing hole by the first connector
Gap model is simultaneously flowed out by the second connector；In test operation, first syringe pump and the second syringe pump provide fluid jointly
Constant speed or constant pressure injection.
Preferably, in the first port junction of the first syringe pump and visual pore model and the second syringe pump and visual
The junction of the second port of pore model is separately provided for realizing the rubber ring being tightly connected, using high leakproofness polyester
Rubber-like materials 3D printing is integrally formed.
Preferably, first connector and the second connector each include: upper and lower cover plates, flow channel and interconnecting piece；
Wherein:
First connector and the second connector use transparent polyester material and 3D printing technique one printing shaping, first
The interconnecting piece of connector or the second connector is provided with bolt circular hole, is able to use bolt and is respectively fixed to the visual hole
On first and second interconnecting pieces of model.
Preferably, the visual pore model include: up and down front and back thin slice cover board, intermediate Complicated Pore Structures and for
First and second interconnecting pieces of the first connector and the connection of the second connector；Wherein the thin slice cover board, pore structure and first and
Two interconnecting pieces are integrally formed using transparent polyester material and 3D printing technique.
Preferably, the visual pore model is by the molding 3D printer printing of more material high-precision layered stereoscopics.
The connection with visual pore model can quickly, be repeatably realized using system of the invention, so as to visual
The cleaning of pore model or the test of injected system become quick and easy.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that a kind of visual pore model cleaning disclosed in the present application and test observation connect system
Fig. 2 is a kind of connection system schematic disclosed in the present application；
Fig. 3 is a kind of visual hole model schematic disclosed in the present application；
Fig. 4 is a kind of entrance connector schematic diagram disclosed in the present application.
Specific embodiment
This application discloses a kind of visual pore model cleanings and test observation to connect system, and the experimental system is using transparent
Polyester material and 3D printing technique are integrally prepared, and are mainly used for visual pore model cleaning and are encapsulated and observe the drive of its internal flow
For process.Experimental system includes: attachment device, visual pore model, entrance connector, syringe pump and controller；Wherein: connection
Device is used for the connection and encapsulation of visual pore model and entrance connector, and visual pore model is for observing Complicated Pore Structures
Interior multiphase fluidflow rule, jointing pass through for connecting visual pore model and inlet pressure or flow velocity syringe pump
The different operating mode of controller control syringe pump realizes that backing material cleaning and fluid displacement can inside visual pore model
Depending on changing connection of the whole system at rectangular section in test.The application can be realized the anti-of visual pore model and injected system
Resistance to compression connection is seeped, the mesh of fluid displacement test visual inspection in the backing material cleaning of printer model inside and pore structure is reached
's.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
For the difficulty that the cleaning of visual hole model support material and displacement experiment airtightness encounter, develop a kind of viewing hole
Attachment device at gap model rectangular section repeats, rapidly realizes visual pore model and cleaning or the connection of injected system
It is particularly important.Visual pore model may be implemented using the attachment device of proposition and the quick of injected system connects and tear open
It unloads, can solve the predicament that conventional method faces by new attachment device.Firstly, visual pore model and injected system are connected
It connects and quickly cleaning for visual pore model inside backing material may be implemented；Secondly, attachment device can guarantee entirely to test system
The airtight connection of system realizes the accurate control of injection pressure or flow velocity.Meanwhile attachment device is solved and is carried out using high-intensitive glue
When connection, injecting glue uniformity coefficient is difficult to control, plastic needs waiting, visual pore model can not be reused after colloid connection
Problem.
The present invention provides antiseepage resistance to compression connection system at a kind of visual hole model rectangular section.Using for example, high closed
Printed material of the property Vero Clear+Tango Plus as rubber ring, guarantees the airtightness of junction, using colorless and transparent material
Material, such as printed material of the Vero Clear as visual pore model, guarantee the transparency of model.Using proposed by the present invention
Attachment device at a kind of visual hole model rectangular section, can ground realize the anti-of visual pore model and cleaning or injected system
Seep resistance to compression connection.
In order to be more clearly illustrated to the technical solution of the application, description in detail below:
As shown in Figure 1, visual pore model cleaning of the invention and test observation connect system, comprising: printing test mould
Type 101, sealing device (rubber ring) 102, jointing 103, syringe pump 104, controller 105；The application can make full use of
Attachment device at visual hole model rectangular section, realizes visual pore model and cleaning or the connection of injected system.The reality
Check system is integrally prepared using 3D printing technique, is mainly used for visual pore model cleaning and encapsulation and is visually observed in it
Portion's fluid displacement process.
As shown in Fig. 2, the visual hole mould according to the present invention with removable namely reusable attachment device
Type cleaning and test check system, comprising: entrance syringe pump 2, inlet attack 3, four symmetrical bolts 4 up and down, 3D printing
Integrally formed rubber ring 5, the interconnecting piece 6 of the visual pore model arrival end for being connected with inlet attack 3, visual hole mould
Type 7, outlet connections 6 ', the integrally formed rubber ring 5 ' of 3D printing at visual hole mold exit end, outlet connection 8 and outlet
Syringe pump 9.
Specifically, the junction of outlet connection 8, inlet attack 3 and visual pore model 7 is respectively equipped with and places the straight of bolt
Diameter is the cylindrical bore of 1.6mm.It include 3D printing one between the inlet/outlet end of entrance connector 3,8 and visual pore model 7
Molding rubber ring 5,5 ' selects printed material of for example high airtightness Vero Clear+Tango Plus as rubber ring.Out
Inlet attack 3,8 and visual pore model 7 pass through two 304 stainless steel M1.6 bolt fastenings respectively.
It should be noted that at the visual hole model rectangular section connection configuration have it is easy to operate, be easily achieved
Advantage can be also used at other rectangular sections in the displacement test of interface.Such as by the connection system, connect viewing hole
Gap model and circulation injected system, improve the cleaning efficiency of backing material inside visual pore model；It is real by the connection system
The sealed connection of test model at existing rectangular section.Device is widely used, can solve noncircular cross section antiseepage resistance to compression connection and asks
Topic.
Specifically, being provided with four as shown in figure 3, be provided with entrance interconnecting piece 6,6 ' on visual pore model 7
Symmetrical bolt hole 61 up and down, for being fastened with connector 3,8 at entrance by bolt.It, can be in model construction
Pore structure images are obtained according to oil field deep stratum sample of sandstone CT scan, obtaining by image processing means includes hole knot
The binary image of structure and rock particles matrix constructs three-dimensional entity model by MIMICS, and it is identifiable to export printer
Stl format.
As shown in figure 4, inlet attack 3, logical by flowing using transparent polyester material and 3D printing technique one printing shaping
Road and interconnecting piece composition.It include: cone connection 32, the flow channel 31 for being connected with entrance syringe pump pipeline, it is right up and down
The bolt hole 33 of title and interconnecting piece 34 for connecting with visual pore model form, and the entrance connector uses 3D printing skill
Art is integrally formed.Wherein, the cross section of interconnecting piece 34 is rectangular recess, the shape for the intake section with visual pore model 7
Shape matching docking.
Outlet connection 8 is identical with inlet attack 3, no longer describes.
Specifically, in SolidWorks designed joint three-dimensional digitalization model, according to moulded dimension and connection injection
The size in pump line road determines jointing size and taper joint size.
Specifically, above-mentioned visual pore model and Connector Model can use, such as the research and development of STRATASYS company, the U.S.
More high-precision layered stereoscopic molding 3D printers of material are printed, and printing error is no more than 14 μm.Printing is selected, for example,
Vero Clear transparent polyester material, the transparency of guarantee test model.Visual pore model internal void part can be by low
The backing material of intensity such as SUP706 filling.After printing shaping, backing material is cleared up by cleaning agent.
In conclusion a kind of visual pore model cleaning and test observation connect system, visual pore model can be realized
It is connect with cleaning or the antiseepage resistance to compression of injected system.Make full use of the 3D printing technique prepare transparent visual pore model and
Jointing guarantees the transparent visual of model.By bolt and antiseepage resistance to compression rubber, visual pore model and entrance are realized
The airtight connection of connector.
The visual pore model of the application is printed by more material high-precision layered stereoscopic 3D printers, compares existing experiment
Mould processing mode, visual hole moulded dimension precision controlling is high, easy to process, the mould processing period is greatly reduced and can
Print any transparent configuration.Visual pore model printed material uses, for example, Vero Clear transparent polyester material, light transmittance
The printed material of high rubber ring uses, for example, high airtightness Vero Clear+Tango Plus polyesters rubber, guarantees connection
The airtightness at place.
The foregoing describe a kind of visual pore model cleanings provided by the invention and test observation to connect system, comprising: close
Seal apparatus, visual pore model, entrance connector and syringe pump and controller；Wherein:
The sealing device for visual pore model and connection of the entrance connector at rectangular section, guarantee model with
Cleaning or injected system connection and encapsulation；3D printing model cleaning and the connection in encapsulation with injected system can be achieved；
The visual pore model prepared using transparent polyester material and 3D printing technique constitutes test model；For trying
Test multiphase fluidflow rule in observation pore structure；
The entrance connector is for connecting visual pore model and inlet pressure or flow velocity syringe pump；
Preferably, the rectangular section attachment device by 3D printing technique one printing shaping rubber ring and connection bolt
Composition；
Preferably, the visual pore model uses transparent polyester material 3D printing technique one printing shaping, by hole
Structural model and interconnecting piece composition.It include: front and back thin slice cover board, intermediate Complicated Pore Structures and to be used for and entrance connector up and down
The interconnecting piece of connection forms；
Preferably, the entrance connector uses transparent polyester material 3D printing technique one printing shaping, logical by flowing
Road and interconnecting piece composition.Include: flow channel, the interconnecting piece for being used to connect with entrance syringe pump, be used for and visual hole mould
The interconnecting piece composition of type connection；
It preferably, is 3D printing technique one printing shaping rubber between the entrance connector and visual pore model
Ring；
Preferably, the junction of the entrance connector and visual pore model is respectively equipped with the circular hole for placing bolt；
Preferably, the entrance connector and visual pore model pass through two bolt fastenings.
Preferably, the printed material of the rubber ring is high leakproofness polyester rubber-like materials.
Preferably, the test model is by the high-precision layered stereoscopic molding 3D printer printing of transparent material.
Preferably, the printed material of the visual pore model and connector is transparent polyester material.
In conclusion this application discloses a kind of visual pore model cleanings and test observation to connect system, comprising: connection
Device, visual pore model, entrance connector, syringe pump and controller；Wherein: the attachment device is used for printer model and connects
The connection of head；The visual pore model constitutes test model；The entrance connector is respectively used to connect visual pore model
And inlet pressure or flow velocity syringe pump；Constant speed or the constant pressure injection of fluid in the syringe pump Control experiment；The controller
Control the work of syringe pump.The system can rapidly and repeatedly realize visual pore model and cleaning or the connection of injected system.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Those skilled in the art can use different methods to achieve the described function each specific application, but
It is this realize it is not considered that beyond scope of the present application.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of visual pore model cleaning and test observation system, comprising: the first syringe pump, visual pore model, the second note
Penetrate pump, wherein the first port of first syringe pump and the visual pore model is removably sealed by the first connector
The second port of connection, second syringe pump and the visual pore model is removably tightly connected by the second connector；
Wherein, the visual pore model is flat plate model, and first port and second port are rectangular port, the first connector and
The part that second connector connects with the visual pore model is rectangle, to match with first port and second port；
Wherein, in cleaning operation, the fluid that first syringe pump provides injects the visual hole mould by the first connector
Type is simultaneously flowed out by the second connector；In test operation, first syringe pump and the second syringe pump provide the perseverance of fluid jointly
Speed or constant pressure injection.
2. system as claimed in claim 1, wherein being connect in the first syringe pump with first at the first port of visual pore model
Second connecting portion at the second port of portion and the second syringe pump and visual pore model is separately provided for realizing sealing
The rubber ring of connection is integrally formed using high leakproofness polyester rubber-like materials 3D printing.
3. system as claimed in claim 2, wherein first connector and the second connector each include: upper and lower cover plates, flow
Channel and interconnecting piece；Wherein:
First connector and the second connector use transparent polyester material and 3D printing technique one printing shaping, in the first connector
Or second the interconnecting piece of connector be provided with bolt circular hole, be able to use bolt and be respectively fixed to the visual pore model
First port and second port on.
4. system as claimed in claim 1, wherein the viewing hole gap model includes: upper and lower front and back thin slice cover board, intermediate complicated hole
Gap structure and first connecting portion and second connecting portion for being connect with the first connector and the second connector；The wherein thin slice lid
Plate, pore structure and first and second interconnecting piece are integrally formed using transparent polyester material and 3D printing technique.
5. the system as claimed in claim 1, wherein the viewing hole gap model is formed by more material high-precision layered stereoscopics
3D printer printing.
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| CN201811603080.4A CN109596499A (en) | 2018-12-26 | 2018-12-26 | A kind of visual pore model cleaning and test observation connect system |
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| CN201811603080.4A CN109596499A (en) | 2018-12-26 | 2018-12-26 | A kind of visual pore model cleaning and test observation connect system |
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| US11307131B2 (en) * | 2020-04-26 | 2022-04-19 | China University Of Mining And Technology, Beijing | Visualization system and method for multiphase fluids displacement experiment with large viscosity difference in complex pore structure |
| CN111811995A (en) * | 2020-07-17 | 2020-10-23 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN111811995B (en) * | 2020-07-17 | 2022-04-15 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
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