CN106124302A - A kind of combination type blade wheel of rotary erosion abrasion test device - Google Patents
A kind of combination type blade wheel of rotary erosion abrasion test device Download PDFInfo
- Publication number
- CN106124302A CN106124302A CN201610684717.1A CN201610684717A CN106124302A CN 106124302 A CN106124302 A CN 106124302A CN 201610684717 A CN201610684717 A CN 201610684717A CN 106124302 A CN106124302 A CN 106124302A
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- China
- Prior art keywords
- combination type
- blade
- blade wheel
- type blade
- test device
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Classifications
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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
- G01N3/02—Details
-
- 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
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
Abstract
The invention provides the combination type blade wheel of a kind of rotary erosion abrasion test device, belong to mixing plant field.Described combination type blade wheel includes blade, branch sleeve, lower blade and screwing, lower screw, upper leaf sheet is eight dentalations, lower blade is six dentate leaf structures, blade is fixed on the upper end of branch sleeve by screwing, the lower end that lower blade is fixed on branch sleeve by lower screw constitutes combination type blade wheel, combination type blade wheel is contained on electric machine main shaft, is stirred slip in tank by servomotor drive motor main shaft.The present invention, compared with common stainless steel material impeller, significantly reduces impeller weight, and during high speed erosion resistance tests, impeller and main shaft operate steadily, safe and reliable, and motor is improved service life, have the most wear-resisting and decay resistance.Combination type blade wheel uses split-type structural design, keeps in repair, changes conveniently.
Description
Technical field:
The invention belongs to mixing plant field, be specifically related to the combination type blade wheel of a kind of rotary erosion abrasion test device, it
It is applicable to the stirring occasion of the liquid-solid two-phase fluid preventing solid particulate matter from settling.
Background technology:
Liquid fixed double phase flow erosive wear phenomenon is prevalent in the industries such as metallurgy, chemical industry, mining, water power, is to cause various slip
The major reason of the flow passage components Rapid Damages such as pump, valve, pipeline.According to different working conditions, suitable erosive wear is used to fill
Put with method to study liquid fixed double phase flow erosive wear rule and mechanism, reasonable selection flow passage components material and protection, reduced
Stream unit rate of decay, increase the service life significant.Liquid fixed double phase flow erosion abrasion test device mainly has rotation
Formula, injecting type, fluid-guiding type and combination type four kinds.Rotary because its equipment is simple, the advantage such as low cost, experimental period be short, be suitable for
In rotary part erosive wear behaviors in solvent or diluent slurry or monophasic fluid such as simulation and analysis shurry pump impeller, stirring paddles.Rotation
In rotatable erosion abrasion test device, blade-carrying impeller (rotating disk) is generally used to stir slip liquid to prevent solid
Grain thing sedimentation, makes solid particulate matter and liquid be sufficiently mixed and high speed rotating, so that liquid-solid two-phase or heterogeneous fluid high-speed punching
Hit specimen surface, research and analysis liquid-solid two-phase or heterogeneous fluid to the erosive wear rule of material and mechanism.Visible, impeller is
One critical component of rotary erosion abrasion test device.Impeller material uses more for antifriction alloy (rustless steel or general
Logical steel), impeller shape more for plate-like or simple cross leaf.
The impeller alr mode that at present rotary erosion abrasion test device uses is primarily present problems with:
(1) antifriction alloy impeller own wt is big.When rotating speed is more than 800r/min, substantially shaking occur in motor and rotation main shaft
Dynamic, the unstable phenomenon of impeller emerged in operation.
(2) impeller shape is plate-like or simple cross leaf, and abrasion and corrosion resistance is poor, and service life is short, often needs
Repair and replacement.
(3) design of impeller shape structure is unreasonable, and stirring slip liquid effect is undesirable.
Summary of the invention:
In sum, in order to overcome the problem that in existing rotary erosion abrasion test device, agitator arm exists, the present invention carries
Having supplied the combination type blade wheel of a kind of rotary erosion abrasion test device, it is applied to can in rotary erosion abrasion test device
With simulation, there is corrosive single-phase, liquid-solid two-phase or the working condition of heterogeneous fluid.Impeller material selection super high molecular weight is gathered
Ethylene, the combined impeller of this material shows have the most wear-resisting and decay resistance through long-term liquid-solid erosion resistance tests；With
Common stainless steel material impeller is compared and is significantly alleviated impeller weight, impeller and main shaft fortune during high speed erosion resistance tests
Steadily, security reliability, motor is improved service life row, and impeller material and manufacturing cost significantly reduce.
The technical scheme is that and be achieved in that:
The combination type blade wheel of a kind of rotary erosion abrasion test device, wherein, described combination type blade wheel includes blade, company
Female connector cylinder, lower blade and screwing, lower screw, upper leaf sheet is eight dentalations, and lower blade is six dentate leaf knots
Structure, blade is fixed on the upper end of branch sleeve by screwing, and lower blade is fixed on the lower end of branch sleeve by lower screw
Constitute combination type blade wheel.
Further, described blade is eight dentate leafs, and eight dentate leafs are angularly distributed in annulus surrounding.
Further, described lower blade is six dentate leafs, and six dentate leafs are angularly distributed in annulus surrounding.
Further, the material of the blade of described combination type blade wheel, branch sleeve and lower blade is high-molecular-weight poly second
Alkene.
Further, described screwing, the quantity of lower screw are at least six.
Further, described screwing, lower screw are 304 stainless steel screws.
The invention has the beneficial effects as follows:
(1) combination type blade wheel of the present invention is lightweight makes erosive wear device experiment running steady, if during use
The a certain assembly of combination type blade wheel goes out (including blade, lower blade, branch sleeve and screw etc., wherein lower blade is consumable accessory)
Existing problem can be individually replaced, and other assembly can be continuing with, and has saved the cost of raw material, keeps in repair, changes conveniently；
(2) combination type blade wheel of rotary erosion abrasion test device uses split-type structural design, and lower blade is groundwork
Parts, its effect is that stirring slurry prevents solid particles sediment, after the abrasion of lower blade teeth portion, only need to change lower blade and can continue
Using, convenient disassembly, maintenance cost is low.
(3) combination type blade wheel of rotary erosion abrasion test device be use superhigh molecular weight polyethylene material processing and
Become, there is lightweight feature；According in used three kinds of materials, the impeller weighing results of same size specification be: rule
The weight of the stainless steel impeller of lattice 304 is 1945g；The weight of teflon impellers is 867g；Supra polymer used by the present invention
The combined impeller of weight northylen material is 357g；I.e. specification 304 rustless steel, politef, ultra-high molecular weight polyethylene three kinds
The weight ratio of material impeller is about 5.5:2.4:1；As can be seen here, the leaf that the present invention processes with superhigh molecular weight polyethylene material
Take turns lightweight；
(4) use combination type blade wheel of the present invention can carry out erosion resistance tests under higher rotating speed and (carry out 1200r/
Long-time test under min), motor, main shaft and impeller operate steadily, and security reliability is good；Owing to carrying out at high speeds
Accelerating erosion resistance tests, test period can shorten, improve test efficiency.Combined impeller antiscour corrosion wear characteristic
Good；Impeller provided by the present invention has the antiscour corrosion of excellence in containing solid particle and mordant slip liquid medium
Polishing machine, service life is long；
(5) the combination type blade wheel stirring action of rotary erosion abrasion test device is strong, and slip liquid uniformity is good, combination type blade wheel
Lower blade modular construction be that annular surrounding is angularly distributed six dentate leafs, stirring action is strong and uniformity good, reduce
Turbulent flow phenomenon, erosion resistance tests data reappearance is good.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of duty of the present invention；
Fig. 2 is the structural representation of combination type blade wheel of the present invention；
Fig. 3 is the assembling schematic diagram of combination type blade wheel of the present invention.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As it is shown in figure 1,1-servomotor, electric machine main shaft 2,3-slurry tank, 4-fluid, 5-combination type blade wheel, 6-is tested
Sample, 7-sample protection device；As in figure 2 it is shown, 5-1 is screwing, 5-2 is keyway, and 5-3 is blade, and 5-4 is branch sleeve,
5-5 is lower blade；As it is shown on figure 3,5-6 is lower screw.
See Fig. 1-3.The combination type blade wheel of a kind of rotary erosion abrasion test device, including rotary erosion abrasion examination
The servomotor 1 of experiment device, electric machine main shaft 2 etc., described combination type blade wheel 5 includes blade 5-3, branch sleeve 5-4, inferior lobe
Sheet 5-5 and screwing 5-1, lower screw 5-6, upper leaf sheet 5-3 is eight dentate leafs, and eight dentate leafs angularly divide
Cloth is in annulus surrounding, and lower blade 5-5 is six dentate leafs, and six dentate leafs are angularly distributed in annulus surrounding；Blade
5-3 is fixed on the upper end of branch sleeve 5-4 by screwing 5-1, and lower blade 5-5 is fixed on branch sleeve by lower screw 5-6
The lower end of 5-4, this structure constitutes combination type blade wheel 5；Combination type blade wheel 5 is contained on electric machine main shaft 2.The upper leaf of combination type blade wheel 5
The material of sheet 5-3, branch sleeve 5-4 and lower blade 5-5 is High molecular weight polyethylene；Described screwing 5-1, lower screw 5-6
Quantity be six, be use 304 stainless steel screws.
As it is shown in figure 1, the rotating speed of the servomotor 1 of rotary erosion abrasion test device can select not according to actual needs
The servomotor of same model, servomotor 1 drive motor main shaft 2 rotates, and electric machine main shaft 2 rotates and drives combination type blade wheel 5 to material
Corrosive single-phase, the liquid-solid two-phase or the heterogeneous fluid 4 that have in slurry tank 3 are stirred.As shown in Figure 2,3, blade 5-3 leads to
Crossing screwing 5-1 and be contained in the upper end of branch sleeve 5-4, lower blade 5-5 is contained in the lower end of branch sleeve 5-4 by lower screw 5-6,
Screwing 5-1, lower screw 5-6 use 304 stainless steel screws；Blade 5-3, branch sleeve 5-4, lower blade 5-5, by upper spiral shell
Nail 5-1, lower screw 5-6 connect and compose combination type blade wheel；As shown in Figure 1, 2, the centre position of blade 5-3 is provided with keyway
5-2, combined impeller 5 is contained on electric machine main shaft 2 by keyway 5-2, and the nut by electric machine main shaft 2 upper end is fixed.Blade 5-3
Or can be individually replaced during lower blade 5-5 serious wear.
The work process of the present invention is as follows: see Fig. 1-3.
1, first the blade 5-3 made, branch sleeve 5-4, lower blade 5-5 are passed through screwing 5-1, lower screw 5-
6 are assembled into combination type blade wheel 5；Then, by flat key, the blade 5-3 interstitial hole of combination type blade wheel 5(combination type blade wheel 5 is set
The keyway 5-2 put) it is installed on electric machine main shaft 2, fixed by the nut of electric machine main shaft 2 end, it is ensured that combination type blade wheel 5 is normal
(for test new production combination type blade wheel, test only need to observe the wear condition of combination type blade wheel 5 to this step every time in work
The most firm with the installation checking combination type blade wheel 5)；
2, the tested sample 6 of installation test, fixes sample protection device 7, adds required in slurry tank 3 by test requirements document
Fluid 4(slip liquid)；The position of slurry tank 3 can be moved up and down by control knob and be adjusted to suitably height (combination type
The impeller 5 minimum range bottom slurry tank is 10cm).Ground by control system Adjustment Tests required motor rotating speed and erosion
Damage test period to test；
3, test complete, erosive wear weight loss can be weighed by balance, utilize microscope to observe sample table after erosive wear
Face pattern, analyzes Erosion Wear Mechanisms；Off-test every time, reply combination type blade wheel 5 and slurry tank 3 inner wall washing are clean, so
After test next time.
Through overtesting, the combination type blade wheel of rotary erosion abrasion test device is used to substitute existing 304 rustless steel leaves
Wheel, can carry out the erosion resistance tests under higher rotating speed (the long-time test having carried out under 1200 revs/min), motor and rotating shaft
Operate steadily；Owing to can be accelerated erosion resistance tests at high speeds, test period can shorten, and improves test effect
Rate.
Claims (6)
1. the combination type blade wheel of a rotary erosion abrasion test device, it is characterised in that: described combination type blade wheel includes
Blade, branch sleeve, lower blade and screwing, lower screw, upper leaf sheet is eight dentalations, and lower blade is six teeth
Shape blade construction, blade is fixed on the upper end of branch sleeve by screwing, and lower blade is fixed on adapter sleeve by lower screw
The lower end of cylinder constitutes combination type blade wheel, and combination type blade wheel is contained on electric machine main shaft.
The combination type blade wheel of a kind of rotary erosion abrasion test device the most according to claim 1, it is characterised in that: institute
The blade stated is eight dentate leafs, and eight dentate leafs are angularly distributed in annulus surrounding.
The combination type blade wheel of a kind of rotary erosion abrasion test device the most according to claim 1, it is characterised in that: institute
The lower blade stated is six dentate leafs, and six dentate leafs are angularly distributed in annulus surrounding.
4., according to the combination type blade wheel of a kind of rotary erosion abrasion test device described in any one of claim 1-3, it is special
Levy and be: the material of the blade of described combined impeller, branch sleeve and lower blade is High molecular weight polyethylene.
The combination type blade wheel of a kind of rotary erosion abrasion test device the most according to claim 1, it is characterised in that: institute
Screwing, the quantity of lower screw stated are at least six.
The combination type blade wheel of a kind of rotary erosion abrasion test device the most according to claim 1, it is characterised in that: institute
The screwing stated, lower screw are 304 stainless steel screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684717.1A CN106124302A (en) | 2016-08-18 | 2016-08-18 | A kind of combination type blade wheel of rotary erosion abrasion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684717.1A CN106124302A (en) | 2016-08-18 | 2016-08-18 | A kind of combination type blade wheel of rotary erosion abrasion test device |
Publications (1)
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| CN106124302A true CN106124302A (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610684717.1A Pending CN106124302A (en) | 2016-08-18 | 2016-08-18 | A kind of combination type blade wheel of rotary erosion abrasion test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970020A (en) * | 2017-03-10 | 2017-07-21 | 北京科技大学 | HTHP liquid-solid medium erosion-corrosion experiment and in-situ electrochemical test device |
| CN114659778A (en) * | 2022-04-26 | 2022-06-24 | 西华大学 | Hydraulic machinery blade abrasion testing device and method |
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| CN2103632U (en) * | 1991-01-18 | 1992-05-06 | 江苏石油勘探局机械厂 | Double-impeller type drilling liquid stirrer |
| CN2686833Y (en) * | 2004-03-15 | 2005-03-23 | 中国第二十冶金建设公司 | Dual-impeller grouting material agitator |
| CN202673778U (en) * | 2011-11-29 | 2013-01-16 | 区觉晖 | Blower fan impeller connected via screw |
| CN202741105U (en) * | 2012-09-05 | 2013-02-20 | 杭州荣彩实业有限公司 | Stirring paddle for reaction kettles |
| CN202823239U (en) * | 2012-10-22 | 2013-03-27 | 天津德盛镁科技发展有限公司 | Magnesium alloy blender |
| CN103585917A (en) * | 2013-11-22 | 2014-02-19 | 无锡俊达测试技术服务有限公司 | Turbine stirrer |
| CN203770205U (en) * | 2014-04-14 | 2014-08-13 | 永嘉县金鼎泰铸造有限公司 | Detachable open impeller |
| CN203862240U (en) * | 2014-04-24 | 2014-10-08 | 河北科技大学 | Self-balanced type casting turbine stirrer |
| CN203990933U (en) * | 2013-12-27 | 2014-12-10 | 四川高德特科技有限公司 | A kind of abrasion-proof modified casting mold flotation machine impeller |
| CN104549671A (en) * | 2014-12-02 | 2015-04-29 | 苏州沃斯麦机电科技有限公司 | Stirring and grinding integrated device |
| CN104914038A (en) * | 2015-07-07 | 2015-09-16 | 河南理工大学 | Rotary type erosion wearing electrochemical corrosion testing device |
| CN205225344U (en) * | 2015-12-11 | 2016-05-11 | 宁波和平鸽口腔医疗器材有限公司 | Twin lock drum -type impeller |
| CN205941177U (en) * | 2016-08-18 | 2017-02-08 | 河南理工大学 | Combination formula impeller of rotation type erosion test device |
-
2016
- 2016-08-18 CN CN201610684717.1A patent/CN106124302A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2103632U (en) * | 1991-01-18 | 1992-05-06 | 江苏石油勘探局机械厂 | Double-impeller type drilling liquid stirrer |
| CN2686833Y (en) * | 2004-03-15 | 2005-03-23 | 中国第二十冶金建设公司 | Dual-impeller grouting material agitator |
| CN202673778U (en) * | 2011-11-29 | 2013-01-16 | 区觉晖 | Blower fan impeller connected via screw |
| CN202741105U (en) * | 2012-09-05 | 2013-02-20 | 杭州荣彩实业有限公司 | Stirring paddle for reaction kettles |
| CN202823239U (en) * | 2012-10-22 | 2013-03-27 | 天津德盛镁科技发展有限公司 | Magnesium alloy blender |
| CN103585917A (en) * | 2013-11-22 | 2014-02-19 | 无锡俊达测试技术服务有限公司 | Turbine stirrer |
| CN203990933U (en) * | 2013-12-27 | 2014-12-10 | 四川高德特科技有限公司 | A kind of abrasion-proof modified casting mold flotation machine impeller |
| CN203770205U (en) * | 2014-04-14 | 2014-08-13 | 永嘉县金鼎泰铸造有限公司 | Detachable open impeller |
| CN203862240U (en) * | 2014-04-24 | 2014-10-08 | 河北科技大学 | Self-balanced type casting turbine stirrer |
| CN104549671A (en) * | 2014-12-02 | 2015-04-29 | 苏州沃斯麦机电科技有限公司 | Stirring and grinding integrated device |
| CN104914038A (en) * | 2015-07-07 | 2015-09-16 | 河南理工大学 | Rotary type erosion wearing electrochemical corrosion testing device |
| CN205225344U (en) * | 2015-12-11 | 2016-05-11 | 宁波和平鸽口腔医疗器材有限公司 | Twin lock drum -type impeller |
| CN205941177U (en) * | 2016-08-18 | 2017-02-08 | 河南理工大学 | Combination formula impeller of rotation type erosion test device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970020A (en) * | 2017-03-10 | 2017-07-21 | 北京科技大学 | HTHP liquid-solid medium erosion-corrosion experiment and in-situ electrochemical test device |
| CN106970020B (en) * | 2017-03-10 | 2020-03-31 | 北京科技大学 | High-temperature high-pressure liquid-solid medium erosion corrosion experiment and in-situ electrochemical testing device |
| CN114659778A (en) * | 2022-04-26 | 2022-06-24 | 西华大学 | Hydraulic machinery blade abrasion testing device and method |
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| PB01 | Publication | ||
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Application publication date: 20161116 |