CN106018143A - Design method for visualization pipeline flowing wear testing device - Google Patents
Design method for visualization pipeline flowing wear testing device Download PDFInfo
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- CN106018143A CN106018143A CN201610310445.9A CN201610310445A CN106018143A CN 106018143 A CN106018143 A CN 106018143A CN 201610310445 A CN201610310445 A CN 201610310445A CN 106018143 A CN106018143 A CN 106018143A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
The invention discloses a design method for a visualization pipeline flowing wear testing device which can test the flowing state in a flow field and local wear performance of a material simultaneously. The visualization pipeline flowing wear testing device comprises a PIV testing system, a visualization test specimen bracket, a wear testing specimen, an upstream pipeline, a downstream pipeline and hoop buckles. The design method comprises the steps that 1, the visualization test specimen bracket is made; 2, the wear testing specimen is made; 3, a combination is made, and reinforcement treatment is conducted to prevent disengagement of the visualization test specimen bracket and the wear testing specimen and reduce the risk of fluid leakage; 4, a peripheral circuit is connected to form a complete pipeline flowing circulation system; 5, with the help of the auxiliary PIV testing system, the testing device is started, after a test is completed, the wear testing specimen is taken down, a wear performance analysis test is conducted, another wear testing specimen is placed for testing, and the visualization test specimen bracket can be repeatedly used.
Description
Technical field
The present invention relates to the visual experimental apparatus method for designing of a kind of pass tubes abrasion, particularly relate to a kind of visualization pipeline flowing abrasion experiment device method for designing.
Background technology
Abrasion is a kind of material deterioration inside phenomenon the most common in commercial production.According to document announcement, the U.S. accounts for the 4% of gross national product because of the economic loss that causes of abrasion every year, domestic is lost in more than 100,000,000,000 RMB because of what abrasion caused every year.Abrasion not only causes huge economic loss, and serious have impact on industrial seriality, and perforation of wearing and tearing is revealed and environment is also resulted in pollution greatly.In process industry, the application of multiphase flow blending transportation is quite extensive, wherein certainly exists the wear problem of pipeline and flow passage components, and the operational reliability caused because of abrasion reduces and energy consumption increase receives much attention always.Owing to abrasion occurs inside device, hidden and be difficult to find, how intuitively effectively to carry out the direction that theory and the experimentation of wear problem, always engineering and scientific research personnel are made great efforts.In recent years due to the development of computer technology, use the method simulation of numerical simulation and the abrasion condition of prediction means to obtain universal application, but numerical simulation be unable to do without experimental verification, simultaneously, the result of experiment can also instruct numerical simulation calculation further, makes analog result more accurate.Particle Image Velocimetry (PIV) is to grow up the eighties in 20th century, on the basis of FLOW VISUALIZATION, makes full use of the achievement in research of the present computer technology, optical technology and image analysis technology and the up-to-date flowing test means grown up.The physics that it flows with can not only showing flow field is dynamic, and the quantitative information that the instantaneous whole audience can be provided to flow, make flow visual research produce the leap from qualitative to quantitative.In order to utilize PIV system photographs to accurate, clear, complete flow field simultaneously, being obtained in that again the particular state that device materials weares and teares, the design of experimental provision just seems especially crucial simultaneously.
Summary of the invention
Present invention solves the technical problem that and there is provided in research multiphase flow blending transportation mobility status and the experimental provision of polishing machine in pipeline, obtaining information of flow and the polishing machine of material, the research for multiphase flow flow field analysis and the polishing machine of pipeline material and abrasion mechanism provides data basis simultaneously.
The present invention is achieved through the following technical solutions:
The experimental provision of the present invention mainly includes that PIV tests system, visualizes test specimen bracket, wear testing test specimen, coupling flange, hoop button, upstream line and downstream line, and described visualization pipeline flowing abrasion experiment device method for designing is broadly divided into following steps:
1st step, make visualization test specimen bracket: choose a uniform transparent pipeline of segment pipe wall thickness, a radium-shine big oval blockade line on the outer wall of described transparent pipeline, a radium-shine little oval blockade line with big oval blockade line with concentric structure on inwall, the radium-shine middle oval blockade line with big oval blockade line and little oval blockade line with concentric structure in pipe wall body position in the middle of inwall with outer wall, between the border of adjacent ellipses blockade line radium-shine arrange parallax transition connect, by described big oval blockade line, little oval blockade line, the radium-shine district of the border composition that middle oval blockade line and parallax connect carries out cut-away, form the class round platform hole with two-layer ledge structure, the described transparent pipeline with class round platform pore structure is visualization test specimen bracket；
Second step, make wear testing test specimen: experimental requirement chooses various material of different nature as the material carrying out wear testing, to need to carry out face shaping and the size in the class round platform hole in the material reference above-mentioned steps 1 of wear testing, processing polish the entity structure identical with described class round platform hole face shaping and size, and this entity structure is wear testing test specimen；
Third step, make assembly and carry out consolidation process: described wear testing test specimen is fitted in class round platform hole, the outer surface position being fitted together at both uses hoop button to reinforce, avoid occurring wear testing test specimen to come off in an experiment, interior step position sandwiched rubber sheet gasket, reduce disclosure risk, meet the needs of bearing capacity simultaneously；
4th step, connects periphery circuit: being connect with upstream line by coupling flange one end by the assembly of the visualization test specimen bracket obtained through above-mentioned steps 3 with wear testing test specimen, the other end connects with downstream line, constitutes complete pipeline flow circuit system；
5th step, by aid system: the PIV system of testing is arranged on visualization test specimen bracket side, starts visualization pipeline flowing abrasion experiment device, the concrete condition in flow field in shooting pipeline, after experiment terminates, take off wear testing test specimen, carry out polishing machine analysis.
Further, in order to preferably realize invention, the transparent pipeline that visualization test specimen bracket uses that makes in described visualization pipeline flowing abrasion experiment device can be straight tube or bend pipe or pipe or square tube, cross-section of pipeline can be circle can also be other geometry.
Further, in order to preferably realize invention, class round platform hole that visualization test specimen bracket in described visualization pipeline flowing abrasion experiment device is comprised it can also be designed square stepped hole or rectangle stepped hole, therewith the wear testing test specimen of tabling may be designed as class round platform entity or square step entity or rectangle step entity.
The device have the advantages that for: use this method for designing to make visualization test specimen bracket and wear testing test specimen organically combine assembling, and utilize coupling flange and upstream line and downstream line connection, make to change wear testing test specimen convenient, and disclosure satisfy that the visualization reusable requirement of test specimen bracket, save experimental cost；While research wear testing material polishing machine, pipeline information of flow is obtained by PIV test system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is visualization test specimen bracket cross-sectional plan view chimeric with wear testing test specimen；
Fig. 3 is visualization test specimen bracket longitudinal section chimeric with wear testing test specimen front view；
Reference: 1 PIV tests system, 2 visualization test specimen brackets, 3 wear testing test specimens, 4 coupling flanges, 5 hoop buttons, 6 upstream lines, 7 downstream lines.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
As it is shown in figure 1, visualization pipeline flowing abrasion experiment device mainly includes that PIV tests system 1, visualize test specimen bracket 2, wear testing test specimen 3, coupling flange 4, hoop button 5 and upstream line 6 and downstream line 7.
nullAs shown in Figures 2 and 3，This visualization pipeline flowing abrasion experiment device method for designing has steps of: the 1st step，Make visualization test specimen bracket 2: choose a uniform transparent pipeline of segment pipe wall thickness，A radium-shine big oval blockade line on the outer wall of described transparent pipeline，A radium-shine little oval blockade line with big oval blockade line with concentric structure on inwall，The radium-shine middle oval blockade line with big oval blockade line and little oval blockade line with concentric structure in pipe wall body position in the middle of inwall with outer wall，Between adjacent ellipses blockade line radium-shine arrange parallax transition connect，By described big oval blockade line、Little oval blockade line、The radium-shine district of the border composition that middle oval blockade line and parallax connect carries out cut-away，Form the class round platform hole with two-layer ledge structure，Round platform top and bottom are by certain inclination angle transition，Angular dimension can be adjusted according to experiment demand，Reduce disclosure risk，Meet the needs of bearing capacity simultaneously.The described transparent pipeline with class round platform pore structure is visualization test specimen bracket 2；
Second step, make wear testing test specimen 3: by face shaping and the size dimension in the class round platform hole in the material reference above-mentioned steps needing to carry out wear testing, producing the entity structure identical with described class round platform hole face shaping and size dimension, this entity structure is wear testing test specimen 3；
Third step, make assembly and carry out consolidation process: being fitted to described wear testing test specimen 3 visualize in the class round platform hole of test specimen bracket 2, the outer surface position being fitted together at both uses hoop button 5 reinforcing, avoid occurring wear testing test specimen 3 to come off in an experiment, interior step position sandwiched rubber sheet gasket, reduce disclosure risk, meet the needs of bearing capacity simultaneously；
4th step, connects periphery circuit: the assembly of the visualization test specimen bracket 2 obtained through above-mentioned steps with wear testing test specimen 3 is passed through coupling flange 4 one end and upstream line 6, and the other end connects with downstream line 7, constitutes complete pipeline flow circuit system；
5th step, by aid system: PIV tests system 1 and is arranged on visualization test specimen bracket 2 side, starts visualization pipeline flowing abrasion experiment device, the concrete condition in flow field in shooting pipeline, after experiment terminates, take off wear testing test specimen 3, carry out polishing machine analysis.
Claims (3)
1. a visualization pipeline flowing abrasion experiment device method for designing, this visualization pipeline flowing abrasion experiment device mainly includes PIV test system (1), visualization test specimen bracket (2), wear testing test specimen (3), coupling flange (4), hoop button (5), upstream line (6) and downstream line (7), described visualization pipeline flowing abrasion experiment device method for designing is characterised by:
1st step, make visualization test specimen bracket (2): choose a uniform transparent pipeline of segment pipe wall thickness, a radium-shine big oval blockade line on the outer wall of described transparent pipeline, a radium-shine little oval blockade line with big oval blockade line with concentric structure on inwall, the radium-shine middle oval blockade line with big oval blockade line and little oval blockade line with concentric structure in pipe wall body position in the middle of inwall with outer wall, between adjacent ellipses blockade line radium-shine arrange parallax transition connect, by described big oval blockade line, little oval blockade line, the radium-shine district of the border composition that middle oval blockade line and parallax connect carries out cut-away, form the class round platform hole with two-layer ledge structure, the described transparent pipeline with class round platform pore structure is visualization test specimen bracket (2)；
Second step, make wear testing test specimen (3): by face shaping and the size in the class round platform hole in the material reference above-mentioned steps 1 needing to carry out wear testing, processing is polished into the entity structure identical with described class round platform hole face shaping and size, and this entity structure is wear testing test specimen (3)；
Third step, make assembly and carry out consolidation process: being fitted to described wear testing test specimen (3) visualize in the class round platform hole of test specimen bracket (2), the outer surface position being fitted together at both uses hoop button (5) to reinforce, interior step position sandwiched rubber sheet gasket；
4th step, connect periphery circuit: connect with upstream line (6) by coupling flange (4) one end by the assembly of visualization test specimen bracket (2) obtained in above-mentioned steps 3 with wear testing test specimen (3), the other end connects with downstream line (7), constitutes complete pipeline flow circuit system；
5th step, by aid system: PIV is tested system (1) and is arranged on visualization test specimen bracket (2) side, start visualization pipeline flowing abrasion experiment device, the concrete condition in flow field in shooting pipeline, after experiment terminates, take off wear testing test specimen (3), carry out polishing machine analysis.
A kind of visualization pipeline flowing abrasion experiment device method for designing the most according to claim 1, it is characterized in that: in the 1st step of described visualization pipeline flowing abrasion experiment device method for designing, making visualization test specimen bracket (2) transparent pipeline that used can be straight tube or bend pipe, cross-section of pipeline can be circle can also be other geometry.
3. according to a kind of visualization pipeline flowing abrasion experiment device method for designing described in claim 1, it is characterised in that: in visualization test specimen bracket (2), the class round platform hole of cut-away molding is substitutable for square stepped hole or rectangle stepped hole.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979901A (en) * | 2017-04-20 | 2017-07-25 | 江苏大学 | One kind visualization cavity flow cavitation erosion simultaneous test device |
| CN107036922A (en) * | 2017-03-15 | 2017-08-11 | 江苏大学 | One kind visualization cavitation and cavitation erosion simultaneous test platform |
| CN108180151A (en) * | 2018-01-22 | 2018-06-19 | 浙江理工大学 | A kind of Visualization platform for being used to study solid-liquid two-phase impeller channel |
| CN112304560A (en) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | Test cabin for testing natural gas flow field |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036922A (en) * | 2017-03-15 | 2017-08-11 | 江苏大学 | One kind visualization cavitation and cavitation erosion simultaneous test platform |
| CN106979901A (en) * | 2017-04-20 | 2017-07-25 | 江苏大学 | One kind visualization cavity flow cavitation erosion simultaneous test device |
| CN108180151A (en) * | 2018-01-22 | 2018-06-19 | 浙江理工大学 | A kind of Visualization platform for being used to study solid-liquid two-phase impeller channel |
| CN108180151B (en) * | 2018-01-22 | 2019-07-09 | 浙江理工大学 | It is a kind of for studying the Visualization platform of solid-liquid two-phase impeller channel |
| CN112304560A (en) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | Test cabin for testing natural gas flow field |
| CN112304560B (en) * | 2019-07-29 | 2022-11-04 | 中国石油天然气股份有限公司 | Test cabin for testing natural gas flow field |
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Application publication date: 20161012 Assignee: Kunming Jiahe Science and Technology Co., Ltd. Assignor: Zhejiang Sci-Tech University Contract record no.: 2019330000016 Denomination of invention: Design method for visualization pipeline flowing wear testing device Granted publication date: 20180615 License type: Common License Record date: 20190129 |
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