CN110286062A - A kind of device and method for testing inner wall of the pipe hydrophobic performance - Google Patents

A kind of device and method for testing inner wall of the pipe hydrophobic performance Download PDF

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Publication number
CN110286062A
CN110286062A CN201910501762.2A CN201910501762A CN110286062A CN 110286062 A CN110286062 A CN 110286062A CN 201910501762 A CN201910501762 A CN 201910501762A CN 110286062 A CN110286062 A CN 110286062A
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Prior art keywords
bracket
pipe
wall
pipeline
angle
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CN201910501762.2A
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CN110286062B (en
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张益炬
冯金茂
郭迎宾
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Linhai Weixing New Building Materials Co Ltd
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Zhejiang Weixing New Building Materials Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02Investigating surface tension of liquids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/18Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02Investigating surface tension of liquids
    • G01N2013/0208Investigating surface tension of liquids by measuring contact angle

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

This application discloses a kind of device and method for testing inner wall of the pipe hydrophobic performance, the equipment of the test inner wall of the pipe hydrophobic performance includes horizontal base, the pedestal strut being vertically and fixedly arranged on horizontal base, the adjusting bracket that pedestal strut upper end is arranged in, total pedestal beam that adjusting bracket upper end is arranged in and the pipe clamp assembly being mounted on total pedestal beam, and total pedestal beam and adjusting bracket are fixedly connected to form integral structure;Pointer is fixedly installed in adjusting bracket, the angle indicator for reading pointer rotation angle is fixedly installed on pedestal strut, the adjusting bracket can rotate vertically on pedestal strut, and pointer follows adjusting bracket to rotate jointly certain angle, the angle of pointer rotation can be read out by angle indicator.The equipment of the application has the advantages that structure is simple, has certain novelty in terms of testing inner wall of the pipe hydrophobicity, swift to operate, test result is simple and clear, the repeated strong advantage of test result.

Description

A kind of device and method for testing inner wall of the pipe hydrophobic performance
Technical field
The invention belongs to domestic water line system in building and municipal water supply engineering fields, and in particular to a kind of test The device and method of inner wall of the pipe hydrophobic performance.
Background technique
With the continuous development in rural area and city, plastics are become more and more important with feedwater piping in the status of building field.Simultaneously Demand of the people to feedwater piping for building is also higher and higher, and it is comfortable convenient both to have required, and requires energy conservation and environmental protection.Therefore, to pipe The performance in road itself is just put forward new requirements.For example, the user in higher floor can have found that discharge pressure is smaller, life band is given It is greatly inconvenient to come.Although the conveyance power of water and pressure of building water supply system and connector quantity used and welding quality have certain pass System, but the hydrophobic performance of pipeline itself is only and determines that the energy saving of water supply system is crucial.However, detection method conventional at present without Method it is accurate and visual show pipeline hydrophobic performance.What is tested by water contact angle is static hydrophobic effect, this and pipe Dynamic water flow is compared to there is a certain distance in road, thus a kind of device and method that can test pipeline hydrophobic performance need by Urgent development and application.
For at present, the method for traditional test pipeline hydrophobic performance has certain deficiency: 1) the coarse system of inner wall of the pipe Number, but the superiority and inferiority of hydrophobic performance and the coefficient of roughness of inner wall of the pipe do not have direct linear relationship;2) the water contact of inner wall of the pipe Angle, inner wall of the pipe are the curved surface of certain radian, are easy to appear certain error when testing water contact angle.
Summary of the invention
For the above-mentioned problems in the prior art, the purpose of the present invention is to provide a kind of test inner wall of the pipe is hydrophobic The device and method of performance.
The equipment of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that including horizontal base, vertical fixation The adjusting bracket that pedestal strut upper end is arranged in, adjusting bracket upper end is arranged in the pedestal strut that is arranged on horizontal base Total pedestal beam and the pipe clamp assembly for clamping fastener pipeline being mounted on total pedestal beam, total pedestal beam and adjusting branch Frame is fixedly connected to form integral structure;It is fixedly installed pointer in the adjusting bracket, is fixedly installed on the pedestal strut For the angle indicator of reading pointer rotation angle, the adjusting bracket can rotate vertically on pedestal strut, and pointer Adjusting bracket is followed to rotate jointly certain angle, the angle of pointer rotation can be read out by angle indicator.
The equipment of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that the pointer follows adjusting bracket total Angular range with rotation is at 0 ° ~ 90 °;The angle indicator is disc structure, is etched with angular values on the disk, circle The range of the angular values etched on disk is at 0 ° ~ 360 °;The angle indicator is fixed at the side of pedestal strut, described Pointer is fixed at the side of adjusting bracket and parallel with the disk.
The equipment of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that further include bracket adjusting screw rod and phase The bracket regulating nut matched, is equipped with the horizontal through slot of both ends open at the top of the pedestal strut, the width of the horizontal through slot with The width of adjusting bracket lower end is adapted, and is led on the pedestal strut of adjusting bracket lower end and horizontal through slot two sides and is set one and bracket The first through hole that adjusting screw rod outer diameter matches, the adjusting bracket are mounted on bottom by bracket adjusting screw rod and bracket regulating nut In the horizontal through slot of seat strut upper end.
A kind of equipment of the test inner wall of the pipe hydrophobic performance, it is characterised in that the angle indicator be equipped with The circular hole that first through hole matches, angle indicator are mounted on the side of pedestal strut by bracket adjusting screw rod and bracket regulating nut Portion.
The equipment of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that the pipe clamp assembly includes solid pipe clamp Adjusting screw rod, solid pipe clamp regulating nut, Duct fixing clamp and the support carriers being arranged on total pedestal beam, the fixing pipe clip pack The half pipe clamp component of two mirror images each other is included, described two half pipe clamp components are set to the two sides of support carriers, described two semicanals It presss from both sides to lead on the lower end and support carriers of component and sets second through-hole to match with solid pipe clamp adjusting screw rod outer diameter, described two half Pipe clamp component is fixedly mounted in support carriers by solid pipe clamp adjusting screw rod and solid pipe clamp regulating nut, described two half pipe clamps The upper end of component is enclosed the clamping opening for clamping pipeline.
The equipment of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that the two sides of the support carriers and institute State and be closely fitted with adjusting gasket between two and half pipe clamp components, with adjust described two half pipe clamp components upper end formed The width size of clamping opening.
The method of a kind of test inner wall of the pipe hydrophobic performance, it is characterised in that including following procedure:
Pipeline: being half-and-half cut into two semicircle pipelines of equity along the axis of pipeline by S1, and the cut surface of the pipeline is smooth Without clast, distance scale line is marked along its length direction on the cut surface of a semicircle pipeline, distance will be marked with The semicircle pipeline of graduation mark is clamped on pipe clamp assembly;
S2: adjustment adjusting bracket first is fixed on vertically on pedestal strut, and the semicircle pipeline for clamping pipe clamp assembly is horizontal positioned, Then water droplet is injected on the distance scale line of semicircle pipeline using syringe;
S3: and then adjusting bracket is made to turn an angle, tilt semicircle pipeline, until water droplet starts to move in inner wall of the pipe It is dynamic, the time used when recording angle at this time, and passing through certain distance using stopwatch record water droplet, and then calculate the stream of water droplet Dynamic speed intuitively deduces inner wall of the pipe by recording the relationship of semicircle pipeline inclined angle and water droplet flowing velocity Hydrophobic performance.
A kind of method of the test inner wall of the pipe hydrophobic performance, it is characterised in that in step S1, the semicircle pipeline Length within 1m.
Compared with the existing technology, the beneficial effect that the present invention obtains is:
The equipment of the application has the advantages that structure is simple, has certain novelty in terms of testing inner wall of the pipe hydrophobicity, It is swift to operate, test result is simple and clear, the repeated strong advantage of test result, for pipeline hydrophobicity test a kind of operation is provided The strong detection means of property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the equipment that the application tests inner wall of the pipe hydrophobic performance;
Fig. 2 is the side view for the equipment that the application tests inner wall of the pipe hydrophobic performance;
In figure: half pipe clamp component of 1-, 3- consolidate pipe clamp adjusting screw rod, and 4- consolidates pipe clamp regulating nut, 5- support carriers, the total support of 6- Beam, 7- adjusting bracket, 8- bracket adjusting screw rod, 9- pointer, 10- pedestal strut, 11- horizontal base, 12- bracket regulating nut, 13- angle indicator.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but the scope of protection of the present invention is not limited thereto.
Embodiment: comparative diagram 1 and Fig. 2
A kind of equipment for testing inner wall of the pipe hydrophobic performance, including horizontal base 11, be vertically and fixedly arranged on horizontal base 11 Pedestal strut 10,10 upper end of pedestal strut is set adjusting bracket 7, be arranged in total pedestal beam 6 of 7 upper end of adjusting bracket with And it is mounted on the pipe clamp assembly for clamping fastener pipeline on total pedestal beam 6, total pedestal beam 6 and adjusting bracket 7 are fixed Be connected to form one structure, and the side that pointer 9(pointer 9 is fixed at adjusting bracket 7 is fixedly installed in adjusting bracket 7 Portion), the angle indicator 13 that angle is rotated for reading pointer 9 is fixedly installed on the pedestal strut 10.
Adjusting bracket 7 can rotate vertically on pedestal strut 10, and pointer 9 follows adjusting bracket 7 to rotate jointly centainly Angle, the angle that pointer 9 rotates can be read out by angle indicator 13.In the present invention, angle indicator 13 is circle Dish structure, is etched with angular values on the disk, and the ranges of the angular values etched on disk is at 0 ° ~ 360 °, angle instruction Instrument 13 is fixed at the side of pedestal strut 10, and pointer 9 is arranged in parallel with angle indicator 13.When pointer 9 follows adjusting branch When frame 7 rotates jointly certain angle, operator's level observes pointer 9 and angle indicator 13, and pointer 9 is to angle indicator 13 On angular values indicated, and then reading pointer 9 rotate angle.
Wherein, the angular range that pointer 9 follows adjusting bracket 7 to rotate jointly is at 0 ° ~ 90 °.
In order to enable adjusting bracket 7 to rotate on pedestal strut 10, the structure of the application further includes bracket adjusting screw rod 8 With the bracket regulating nut 12 of matching, the horizontal through slot of both ends open is equipped at the top of the pedestal strut 10, and (comparative diagram 1 is being hung down Directly on the extending direction of Fig. 1 paper, opening is arranged in the both ends of the horizontal through slot), the width of the horizontal through slot and adjusting The width of 7 lower end of bracket is adapted, and is led on the pedestal strut 10 of 7 lower end of adjusting bracket and horizontal through slot two sides and is set one and bracket The first through hole that 8 outer diameter of adjusting screw rod matches, bracket adjusting screw rod 8 pass through the first through hole, then by bracket regulating nut 12 It is cooperatively connected, adjusting bracket 7 is mounted in the horizontal through slot of 10 upper end of pedestal strut with bracket adjusting screw rod 8;With bracket tune Section screw rod 8 is axis, and adjusting bracket 7 can be rotated.
Angle indicator 13 the mounting means of 10 side of pedestal strut may is that on the angle indicator 13 be equipped with The circular hole that first through hole matches.After bracket adjusting screw rod 8 passes through pedestal strut 10 and adjusting bracket 7, it is then passed through angle indicator Then bracket regulating nut 12 and bracket adjusting screw rod 8 are cooperatively connected by the circular hole on 13, angle indicator 13 is fixed on bottom The upper end side of seat strut 10.
Pipe clamp assembly of the invention includes solid pipe clamp adjusting screw rod 3, solid pipe clamp regulating nut 4, Duct fixing clamp and setting Support carriers 5 on total pedestal beam 6, the Duct fixing clamp include the half pipe clamp component 1 of two mirror images each other, and described two half Pipe clamp component 1 is set to the two sides of support carriers 5, lead on the lower ends of described two half pipe clamp components 1 and support carriers 5 set one with Gu the second through-hole that 3 outer diameter of pipe clamp adjusting screw rod matches, described two half pipe clamp components pass through solid pipe clamp adjusting screw rod 3 and solid pipe Folder regulating nut 4 is fixedly mounted in support carriers 5, and the upper end of described two half pipe clamp components is enclosed for clamping pipeline Clamping opening (comparative diagram 1, the clamping opening be arcuate structure).Secondly, the two sides of support carriers 5 and described two half pipe clamp components it Between be closely fitted with adjusting gasket, with adjust described two half pipe clamp components upper end formed clamping opening width size.For Pipeline is clamped, the width outline of the clamping opening is less than the diameter of pipeline.
According to the equipment of above-mentioned test inner wall of the pipe hydrophobic performance, the method for carrying out test inner wall of the pipe hydrophobic performance, packet Include following procedure:
S1: pipeline is half-and-half cut into two semicircle pipelines of equity along the axis of pipeline, and (length of semicircle pipeline is about 1m), the cut surface of the pipeline requires smoothly without clast, and service precision is not less than the ruler of 0.1 mm, in a semicircle pipeline Cut surface on along its length direction distance scale line is marked, the semicircle pipeline for being marked with distance scale line is clamped in In the clamping opening that the upper end of two and half pipe clamp components is formed;
S2: adjustment adjusting bracket 7 first is fixed on vertically on pedestal strut 10, and the semicircle pipe level for clamping pipe clamp assembly is put (cut surface of pipeline keeps horizontal) is set, then injects water droplet (water droplet on the distance scale line of semicircle pipeline using syringe Diameter is far smaller than the cutting plane width of pipeline);
S3: and then adjusting bracket 7 is made to turn an angle, tilt semicircle pipeline, until water droplet starts in inner wall of the pipe It is mobile, the time used when recording angle at this time, and passing through certain distance using stopwatch record water droplet, and then calculate water droplet Flowing velocity.Continue to adjust the angle, repeats to test again, record droplet flowing velocity, and compare, by recording semi-circular tube The relationship of road inclined angle and water droplet flowing velocity, intuitively deduces the hydrophobic performance of inner wall of the pipe.
Content described in this specification is only to enumerate to inventive concept way of realization, and protection scope of the present invention is not answered When the concrete form for being seen as limited by embodiment and being stated.

Claims (8)

1. a kind of equipment for testing inner wall of the pipe hydrophobic performance, it is characterised in that including horizontal base (11), vertical fixed setting Pedestal strut (10), setting on horizontal base (11) are being adjusted in the adjusting bracket (7) of pedestal strut (10) upper end, setting Total pedestal beam (6) of bracket (7) upper end and the pipe clamp assembly for clamping fastener pipeline being mounted on total pedestal beam (6), Total pedestal beam (6) and adjusting bracket (7) are fixedly connected to form integral structure;It is fixedly installed on the adjusting bracket (7) Pointer (9) is fixedly installed the angle indicator (13) for reading pointer (9) rotation angle on the pedestal strut (10), The adjusting bracket (7) can rotate vertically on pedestal strut (10), and pointer (9) follows adjusting bracket (7) to rotate jointly The angle of certain angle, pointer (9) rotation can be read out by angle indicator (13).
2. a kind of equipment for testing inner wall of the pipe hydrophobic performance according to claim 1, it is characterised in that the pointer (9) The angular range for following adjusting bracket (7) to rotate jointly is at 0 ° ~ 90 °;The angle indicator (13) is disc structure, the circle Angular values are etched on disk, the range of the angular values etched on disk is at 0 ° ~ 360 °;The angle indicator (13) is fixed Side in pedestal strut (10) is set, and the pointer (9) is fixed at the side of adjusting bracket (7) and puts down with the disk Row.
3. a kind of equipment for testing inner wall of the pipe hydrophobic performance according to claim 2, it is characterised in that further include bracket Adjusting screw rod (8) and the bracket regulating nut (12) to match, the level that pedestal strut (10) top is equipped with both ends open are logical The width of slot, the horizontal through slot is adapted with the width of adjusting bracket (7) lower end, adjusting bracket (7) lower end and horizontal through slot Lead on the pedestal strut (10) of two sides and sets the first through hole to match with bracket adjusting screw rod (8) outer diameter, the adjusting bracket (7) it is mounted in the horizontal through slot of pedestal strut (10) upper end by bracket adjusting screw rod (8) and bracket regulating nut (12).
4. a kind of equipment for testing inner wall of the pipe hydrophobic performance according to claim 3, it is characterised in that the angle refers to Show that instrument (13) are equipped with the circular hole to match with first through hole, angle indicator (13) passes through bracket adjusting screw rod (8) and bracket tune Section nut (12) is mounted on the side of pedestal strut (10).
5. a kind of equipment for testing inner wall of the pipe hydrophobic performance according to claim 1, it is characterised in that the pipe clamp group Part includes solid pipe clamp adjusting screw rod (3), solid pipe clamp regulating nut (4), Duct fixing clamp and the branch being arranged on total pedestal beam (6) It supports support (5), the Duct fixing clamp includes the half pipe clamp component (1) of two mirror images each other, and described two half pipe clamp components (1) set In the two sides of support carriers (5), leads on the lower end and support carriers (5) of described two half pipe clamp components (1) and set one and solid pipe The second through-hole that adjusting screw rod (3) outer diameter matches is pressed from both sides, described two half pipe clamp components pass through solid pipe clamp adjusting screw rod (3) and solid pipe Folder regulating nut (4) is fixedly mounted on support carriers (5), and the upper end of described two half pipe clamp components is enclosed for clamping The clamping opening of pipeline.
6. a kind of equipment for testing inner wall of the pipe hydrophobic performance according to claim 5, it is characterised in that the support branch It is closely fitted with adjusting gasket between the two sides and described two half pipe clamp components of seat (5), to adjust described two half pipe clamps The width size for the clamping opening that the upper end of component is formed.
7. a kind of method for testing inner wall of the pipe hydrophobic performance, it is characterised in that including following procedure:
Pipeline: being half-and-half cut into two semicircle pipelines of equity along the axis of pipeline by S1, and the cut surface of the pipeline is smooth Without clast, distance scale line is marked along its length direction on the cut surface of a semicircle pipeline, distance will be marked with The semicircle pipeline of graduation mark is clamped on pipe clamp assembly;
S2: adjustment adjusting bracket (7) is fixed on pedestal strut (10) vertically first, the semicircle pipeline water for clamping pipe clamp assembly Then placing flat injects water droplet on the distance scale line of semicircle pipeline using syringe;
S3: and then adjusting bracket (7) is made to turn an angle, tilt semicircle pipeline, until water droplet starts in pipeline Wall is mobile, records angle at this time, and the time that while passing through certain distance using stopwatch record water droplet is used, and then calculates water droplet Flowing velocity, by record semicircle pipeline inclined angle and water droplet flowing velocity relationship, intuitively deduce in pipeline The hydrophobic performance of wall.
8. a kind of method for testing inner wall of the pipe hydrophobic performance as claimed in claim 7, it is characterised in that described in step S1 The length of semicircle pipeline is within 1m.
CN201910501762.2A 2019-06-11 2019-06-11 Equipment and method for testing hydrophobic property of inner wall of pipeline Active CN110286062B (en)

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CN201910501762.2A CN110286062B (en) 2019-06-11 2019-06-11 Equipment and method for testing hydrophobic property of inner wall of pipeline

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Application Number Priority Date Filing Date Title
CN201910501762.2A CN110286062B (en) 2019-06-11 2019-06-11 Equipment and method for testing hydrophobic property of inner wall of pipeline

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CN110286062B CN110286062B (en) 2021-08-31

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050283323A1 (en) * 2004-06-22 2005-12-22 Anderson Erik J Method and system for shear flow profiling
CN101067596A (en) * 2007-07-05 2007-11-07 颜鹏 Airosol hydrophilic character observation system
CN101738166A (en) * 2010-01-09 2010-06-16 青岛理工大学 Method for measuring sliding length of high-pressure lubricant interface
CN101750515A (en) * 2008-12-03 2010-06-23 中国科学院理化技术研究所 Non-contact measurement method for measuring liquid parameter
CN202492294U (en) * 2012-03-31 2012-10-17 中联重科股份有限公司 Angle indicating instrument and crane with same
CN103675332A (en) * 2013-12-27 2014-03-26 大连海事大学 Device for measuring slip velocity under micro-scale and measurement method
CN205483913U (en) * 2016-03-28 2016-08-17 天津英利新能源有限公司 Be used for testing hydrophilic device in silicon chip surface
CN205841981U (en) * 2016-07-19 2016-12-28 泸州拓创机械有限公司 Adjustable petroleum pipeline bracket
CN206802492U (en) * 2017-06-21 2017-12-26 北京翔鲲水务建设有限公司 A kind of water conservancy construction pipeline fixing device being easily installed
CN207514421U (en) * 2017-11-30 2018-06-19 浙江伟星新型建材股份有限公司 A kind of flexible chamber internal feed pipe for assembled finishing
CN108372671A (en) * 2018-02-06 2018-08-07 日丰企业(佛山)有限公司 Hydrophobic tubing of hydrophobic material, internal layer and preparation method thereof

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050283323A1 (en) * 2004-06-22 2005-12-22 Anderson Erik J Method and system for shear flow profiling
CN101067596A (en) * 2007-07-05 2007-11-07 颜鹏 Airosol hydrophilic character observation system
CN101750515A (en) * 2008-12-03 2010-06-23 中国科学院理化技术研究所 Non-contact measurement method for measuring liquid parameter
CN101738166A (en) * 2010-01-09 2010-06-16 青岛理工大学 Method for measuring sliding length of high-pressure lubricant interface
CN202492294U (en) * 2012-03-31 2012-10-17 中联重科股份有限公司 Angle indicating instrument and crane with same
CN103675332A (en) * 2013-12-27 2014-03-26 大连海事大学 Device for measuring slip velocity under micro-scale and measurement method
CN205483913U (en) * 2016-03-28 2016-08-17 天津英利新能源有限公司 Be used for testing hydrophilic device in silicon chip surface
CN205841981U (en) * 2016-07-19 2016-12-28 泸州拓创机械有限公司 Adjustable petroleum pipeline bracket
CN206802492U (en) * 2017-06-21 2017-12-26 北京翔鲲水务建设有限公司 A kind of water conservancy construction pipeline fixing device being easily installed
CN207514421U (en) * 2017-11-30 2018-06-19 浙江伟星新型建材股份有限公司 A kind of flexible chamber internal feed pipe for assembled finishing
CN108372671A (en) * 2018-02-06 2018-08-07 日丰企业(佛山)有限公司 Hydrophobic tubing of hydrophobic material, internal layer and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALGHUNAIM, A 等: "Influence of tube wettability on water contact angle of powders determined by capillary rise", 《COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS》 *
敬加强 等: "管道表面润湿性对层流流动阻力的影响", 《化工进展》 *

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