CN103969140B - Rotary cavitation corrosion and erosive wear synergy test unit - Google Patents

Rotary cavitation corrosion and erosive wear synergy test unit Download PDF

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CN103969140B
CN103969140B CN201410188418.XA CN201410188418A CN103969140B CN 103969140 B CN103969140 B CN 103969140B CN 201410188418 A CN201410188418 A CN 201410188418A CN 103969140 B CN103969140 B CN 103969140B
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cavitation
rotating disk
test specimen
persuaders
shaft
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CN103969140A (en
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金浩哲
偶国富
肖定浩
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Tongxiang Zhimeng Intellectual Property Operation Co ltd
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Zhejiang Sci Tech University ZSTU
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

The invention discloses a kind of rotary cavitation corrosion and erosive wear synergy test unit.Variable-frequency motor is installed on bell-jar upper end, and shaft upper end is connected with variable-frequency motor rotating shaft by shaft coupling, and shaft lower end is through fixing after the upper and lower cover plate of rotating disk; Rotating disk upper and lower cover distance between plates is evenly equipped with the isosceles triangle test specimen mounting groove that base angle is 45 ° from 5/6 radius of a circle place, test specimen mounting groove drift angle is towards unanimously; Rotating disk upper and lower cover plate distance 90 °, 5/6 interval, radius of a circle place is uniform offers the different isosceles triangle cavitation induction tank of drift angle, and isosceles triangle cavitation induction tank drift angle is towards unanimously, and towards the opposite with isosceles triangle test specimen mounting groove drift angle; Along the test specimen that in the test specimen mounting grooves of counterclockwise 5 °, 95 °, 185 °, 275 °, mounting structure is identical respectively.The present invention is applicable to the research that failure analysis that cavitation corrosion and erosive wear destroy, rate of wear test, risk inspection and life prediction occur for coal chemical technology valve etc.

Description

Rotary cavitation corrosion and erosive wear synergy test unit
Technical field
The present invention relates to polyphasic flow abrasion testing device, specifically relate to a kind of rotary cavitation corrosion and erosive wear synergy test unit.
Background technology
Variable valve is directly installed on system pipeline usually, is widely used in the Diversification Type industries such as oil, Coal Chemical Industry, chemical fibre, plays very important effect to the development of national economy.
Research finds: the failure mode of variable valve is various, complicated mechanism, wherein erosive wear and cavitation erosion (cavitation corrosion) damage the valve invalidation caused be variable valve the most extensive in throttling process be also modal failure mode.Erosive wear is destroyed has obvious locality, sudden and risk, particularly complicated especially containing solid particle, the worn down that causes under the effect of polyphasic flow media flow, is difficult to prediction; Cavitation damage is because valve downstream pressure is higher than saturated vapor pressure, causes bubbles burst or to implode, valve internal face is formed to the rough surface being similar to cinder.
In recent years, along with country's greatly developing coal chemical industry, produce clear energy sources, realize the development strategy of oil replacement.In coal liquefaction craft flow process, variable valve is mainly used in the techniques such as coal slurry conveying, preheating, high-pressure hydrocracking and separation, works effects such as controlling flow, liquid level and pressure differential.In coal liquefaction high-differential-pressure regulating valve actuating medium, solids content is high, produces cavitation in throttling process, thus defines local gas-droplet-particle three-phase flow, and high-speed Medium causes violent destruction to spool, valve seat.High-differential-pressure regulating valve Problem of Failure seriously constrains the serviceable life of equipment, and for improving the wearing and tearing of equipment antiscour and cavitation damage, domestic and international scientific worker has carried out a large amount of work.
For the polyphasic flow wear problem that current coal chemical technology valve exists, erosive wear, cavitation impingement need be studied further, abrasion mechanism under particularly erosion-cavitation corrosion synergy, some research institutions and universities and colleges devise a series of abrasion test device, research means studies the abrasion mechanism of valve and pipeline by experiment, but the some shortcomings part that current experimental provision exists mainly is:
(1) at present the study mechanism that weares and teares to polyphasic flow of China is not deep enough, and the time of correlative measurement equipment is longer, and experimental result is difficult to be generalized to engineer applied.
(2) a lot of study limitation is in erosive wear or the research of the single wear form of cavitation damage, still few about two kinds of wear form synergistic research reports, cannot disclose the micromechanism of damage of other hydraulics such as valve under two kinds of failure modes.
Summary of the invention
For the deficiency that domestic and international polyphasic flow abrasion test device exists, the object of the present invention is to provide a kind of rotary cavitation corrosion-erosive wear synergy test unit, be suitable for liquid fixed double phase flow wearing and tearing under test condition and Aerospace vehicle, fluid dynamic simulation analysis, material erosive wear destroy the complete research system such as the experimental study of critical characteristic and the popularization of erosive wear failure prediction commercial Application, disclose the micromechanism of damage of material under erosion-cavitation corrosion synergy.
In order to achieve the above object, the technical solution used in the present invention is:
The present invention includes variable-frequency motor, bell-jar, shaft coupling, upper mounting plate, bracing frame, coupling sleeve, shaft, lower installation board, slurry tank, rotating disk upper cover plate, rotating disk lower cover, test specimen, 15 ° of cavitation persuaders, 30 ° of cavitation persuaders, 45 ° of cavitation persuaders, 60 ° of cavitation persuaders and frequency converters; The variable-frequency motor be connected with frequency converter is fixedly installed in bell-jar upper end, and bell-jar lower end and upper mounting plate are coaxially installed; Shaft upper end is successively through the deep groove ball bearing in upper mounting plate upper end center circular groove, deep groove ball bearing cover plate being connected with variable-frequency motor rotating shaft by shaft coupling, and shaft lower end passes rotating disk upper cover plate, rotating disk lower cover being fixed by set nut successively; 90 °, 5/6 interval, radius of a circle place is uniform offers the isosceles triangle test specimen mounting groove that a base angle is 45 ° for rotating disk upper cover plate lower end and rotating disk lower cover upper end distance, and isosceles triangle test specimen mounting groove drift angle is towards unanimously; Rotating disk upper cover plate lower end and distance 90 °, 5/6 interval, radius of a circle place, rotating disk lower cover upper end is uniform offers an isosceles triangle cavitation and induce tank, isosceles triangle cavitation induction tank drift angle is towards unanimously, and towards the opposite with isosceles triangle test specimen mounting groove drift angle; Along in the cavitations induction tank of counterclockwise 0 °, 90 °, 180 °, 270 °, to install drift angle be respectively 30 ° of cavitation persuaders, 15 ° of cavitation persuaders, 45 ° of cavitation persuaders and 60 ° of cavitation persuaders, install the identical test specimen of a structure respectively along in the test specimen mounting grooves of counterclockwise 5 °, 95 °, 185 °, 275 °, rotating disk upper cover plate and rotating disk lower cover are fixed by the fastening bolt that 90 °, interval is uniform; Bracing frame upper end and upper mounting plate are connected and fixed, and bracing frame lower end and ground are fixed; Coupling sleeve upper end, lower end are welded and fixed with upper mounting plate, lower installation board respectively; Lower installation board is connected and fixed by flange and slurry tank, and in slurry tank, fluid-filled medium, offers exhaust opening bottom slurry tank and arrange plug.
The junction of described shaft and upper mounting plate lower end is embedded with water seal.
Described fluid media (medium) is clear water, coal oil mixture, coal water mixture or water mortar.
The beneficial effect that the present invention has is:
The present invention utilizes high speed rotating shaft to drive rotating disk to realize High Rotation Speed in containing the slurry tank of liquid fixed double phase flow, by the souring of cavitation persuader and solid particle, tests critical characteristic and rate of wear, the surface topography of test specimen generation cavitation corrosion-erosion attack.The critical characteristic test of the cavitation corrosion-erosive wear under different angles can be realized; The analysis conclusion of test findings can be applied to engineering reality.The present invention can simulate a series of Practical Project cavitation corrosion-erosive wear inefficacy cases such as coal chemical technology valve, carries out the Study of Safety Control Technology such as failure analysis, Wear prediction, optimal design, risk inspection, safety assessment, life prediction that cavitation corrosion-erosive wear destroys.In addition, structure of the present invention is simple, is easy to promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the cut-open view of Fig. 2 B-B.
In figure: 1, variable-frequency motor, 2, bell-jar, 3, spring coupling, 4, deep groove ball bearing, 5, deep groove ball bearing cover plate, 6, upper mounting plate, 7, bracing frame, 8, coupling sleeve, 9, shaft, 10, lower installation board, 11, slurry tank, 12, rotating disk upper cover plate, 13, rotating disk lower cover, 14, test specimen, 15,15 ° of cavitation persuaders, 16, bolt, 17,30 ° of cavitation persuaders, 18,60 ° of cavitation persuaders, 19,45 ° of cavitation persuaders, 20, plug, 21, fluid media (medium), 22, water seal, 23, frequency converter.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described with enforcement.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes variable-frequency motor 1, bell-jar 2, spring coupling 3, deep groove ball bearing 4, deep groove ball bearing cover plate 5, upper mounting plate 6, bracing frame 7, coupling sleeve 8, shaft 9, lower installation board 10, slurry tank 11, rotating disk upper cover plate 12, rotating disk lower cover 13, test specimen 14,15 ° of cavitation persuaders 15, bolt 16,30 ° of cavitation persuaders, 17,60 ° of cavitation persuaders, 18,45 ° of cavitation persuaders 19, plug 20, fluid media (medium) 21, water seal 22, frequency converter 23.The variable-frequency motor 1 be connected with frequency converter 23 is fixedly installed in bell-jar 2 upper end through circumference four uniform bolt-connections are vertical, and bell-jar 2 lower end is coaxially installed by four uniform bolt-connections and upper mounting plate 6; Shaft 9 upper end is also connected with variable-frequency motor 1 rotating shaft by quincuncial spring coupling 3 through the deep groove ball bearing 4 in upper mounting plate 6 upper end center circular groove, deep groove ball bearing cover plate 5 successively, and deep groove ball bearing 4 and deep groove ball bearing cover plate 5 are fixed by set nut; Shaft 9 lower end is successively through rotating disk upper cover plate 12, rotating disk lower cover 13 being fixed by set nut; 90 °, 5/6 interval, radius of a circle place is uniform offers the isosceles triangle test specimen mounting groove that a base angle is 45 ° for rotating disk upper cover plate 12 lower end and rotating disk lower cover 13 upper end distance, and isosceles triangle test specimen mounting groove drift angle is towards unanimously; Rotating disk upper cover plate 12 lower end and distance 90 °, 5/6 interval, radius of a circle place, rotating disk lower cover 13 upper end is uniform offers an isosceles triangle cavitation and induce tank, isosceles triangle cavitation induction tank drift angle is towards unanimously, and towards the opposite with isosceles triangle test specimen mounting groove drift angle; Along in the cavitations induction tank of counterclockwise 0 °, 90 °, 180 °, 270 °, to install drift angle be respectively 30 ° of cavitation persuaders, 17,15 ° of cavitation persuaders, 15,45 ° of cavitation persuaders 19 and 60 ° of cavitation persuaders 18.Along installing the identical test specimen 14 of a structure in the test specimen mounting grooves of counterclockwise 5 °, 95 °, 185 °, 275 ° respectively, rotating disk upper cover plate 12 and rotating disk lower cover 13 are fixed by the fastening bolt 16 that 90 °, interval is uniform; Bracing frame 7 upper end is connected and fixed by uniform four bolts and upper mounting plate 6, and bracing frame 7 lower end is fixed by foot bolt and ground; Coupling sleeve 8 upper end, lower end are welded and fixed with upper mounting plate 6, lower installation board 10 respectively; Lower installation board 10 is connected and fixed by flange and slurry tank 11, and fluid-filled medium 21 in slurry tank 11, slurry tank 11 bottom centre offers exhaust opening and arranges screw plug 20.
As shown in Figure 1, described shaft 9 is embedded with water seal 22 with the junction of upper mounting plate 6 lower end.
Described fluid media (medium) 21 is clear water, coal oil mixture, coal water mixture or water mortar.
The course of work of the present invention is as follows:
Embodiment 1
As shown in Figure 1, install liquid fixed double phase flow abrasion test device, the experiment incipient stage, slurry tank 11 is placed on fork truck, the certain density fluid media (medium) 21 prepared, such as coal water mixture, coal oil mixture or water mortar etc., pour in slurry tank 11, liquid level there was not rotating disk upper cover plate 12 about 20cm.Experimentally scheme selection makes four test specimens 14 of numbering, and surface is clean by alcohol wipe, to be weighed for five times respectively record original weight, calculating mean value by electronic balance to it test specimen 14 and cavitation persuader 15,17,18 and 19 are inserted in the groove of rotating disk upper cover plate 12, be loaded on rotating disk lower cover 13, with 4 uniform fastening rotating disk upper cover plates 12 of bolt 16 and rotating disk lower cover 13; Then, hold up slurry tank 11 with fork truck, and aim at the installation site of lower installation board 10 with location after, be fixed by uniform four bolts; Successively start the fan swicth of variable-frequency motor 1 and the switch of frequency converter 23, variable-frequency motor 1 is regulated to reach rotating speed required for experiment by frequency converter 23, the rotating speed of variable-frequency motor 1 can be adjusted to 1450r/min from 0, after rotating speed to be fixed reaches experiment required time, reduce the rotating speed of variable-frequency motor 1 until be the fan swicth turning off frequency converter 23 and variable-frequency motor 1 after zero respectively by frequency converter 23; Then the slurry tank 11 of holder on fork truck and the set bolt of lower installation board 10 is backed out, fall fork truck, with appropriate clean water rotating disk, take out test specimen 14 to dry with after clear water and alcohol washes, again by electronic balance 4 test specimens are weighed after five times respectively and record the weight after experiment, calculating mean value pass through m former-m afterbe the weight loss m of test specimen 14 lose.The test specimen 14 of this experiment definition, its material can be respectively carbon steel, non-ferrous metal, wimet or other high-performance abrasion-proof material, and rate of wear ε is defined as the weight loss m of test specimen in unit interval unit area lose, wearing-in period is the wearing-in period t of an experiment operating mode, and area is the area s of the test surfaces of test specimen 14, and for reducing experimental error, test specimen 14 is other surface all spraying plating high-abrasive materials except test surfaces, and rate of wear can be expressed as:
When different experiment conditions is tested, the rotating speed r of variable-frequency motor 1 can be changed respectively, the form factor δ of the concentration w of the angle θ of test specimen 14 and wearing-in period t, fluid media (medium) 21, the density p of liquid, solid particle, the particle diameter d of solid particle, cavitation number σ; By the concentration w of alter medium 21, variation range is 0 ~ 12wt%, realizes test specimen at the cavitation corrosion had under cavitation persuader 15,17,18 and 19 inducing action in fluid media (medium) 21 environment and erosion synergy experimental test.Thus set up the functional relation that different affecting factors and cavitation corrosion and erosive wear act synergistically between lower rate of wear, namely rate of wear is expressed as:
In above formula, k represents test error correction factor, and f represents rate of wear ε and each influence factor r, θ, t, w, ρ, δ, d, σ ... functional relation.After having tested, carry out subsequent treatment according to the data obtained, repeatedly test can obtain the related law of liquid fixed double phase flow cavitation corrosion and the lower wearing and tearing of erosion synergy.
Embodiment 2
Copy embodiment 1, only coal oil mixture, coal water mixture or water mortar that fluid media (medium) 21 in embodiment 1 uses are changed into water medium, just can carry out the cavitation corrosion weight-loss ratio test after installing different angles cavitation persuader 15,17,18 and 19.
When different experiment conditions is tested, the rotating speed r of variable-frequency motor 1 can be changed respectively, the angle θ of test specimen 14 and cavitation corrosion time t, the density p of liquid, cavitation number σ, realize having the cavitation corrosion weight-loss ratio of fluid media (medium) 21 under cavitation persuader 15,17,18 and 19 inducing action to test, thus the functional relation set up between different affecting factors and cavitation corrosion weight-loss ratio, namely weight-loss ratio is expressed as:
ϵ 2 = k · f ( r , θ , t , σ . . . )
Embodiment 3
Copy embodiment 1, only the cavitation persuader 15,17,18 and 19 in embodiment 1 is taken off, fluid media (medium) 21 still adopts coal oil mixture, coal water mixture or water mortar, carries out the erosive wear test of test specimen 14.
When different experiment conditions is tested, the rotating speed r of variable-frequency motor 1 can be changed respectively, the concentration w of the angle θ of test specimen 14 and wearing-in period t, fluid media (medium) 21, the density p of liquid, the form factor δ of solid particle, the particle diameter d of solid particle.Thus the functional relation set up between different affecting factors and rate of wear, namely rate of wear is expressed as:
ϵ 3 = k · f ( r , θ , t , w , ρ , δ , d . . . )
By embodiment 1, embodiment 2 and embodiment 3, test the test specimen weight-loss ratio rule of test specimen 14 under cavitation corrosion and erosion synergy, cavitation corrosion and pure erosive wear effect respectively, under same test condition, i.e. rotating speed r, when the form factor δ of the concentration w of the angle θ of test specimen 14 and test duration t, fluid media (medium) 21, the density p of liquid, solid particle, the particle diameter d of solid particle, cavitation number σ are constant, correspondence can draw test specimen 14 weight-loss ratio ε under cavitation corrosion and erosive wear synergy 1, cavitation corrosion weight-loss ratio ε 2with erosive wear weight-loss ratio ε 3the rule of development.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, to any amendment of the present invention and change, all falls into protection scope of the present invention.

Claims (3)

1. rotary cavitation corrosion and erosive wear synergy test unit, is characterized in that: comprise variable-frequency motor (1), bell-jar (2), shaft coupling (3), upper mounting plate (6), bracing frame (7), coupling sleeve (8), shaft (9), lower installation board (10), slurry tank (11), rotating disk upper cover plate (12), rotating disk lower cover (13), test specimen (14), 15 ° of cavitation persuaders (15), 30 ° of cavitation persuaders (17), 45 ° of cavitation persuaders (19), 60 ° of cavitation persuaders (18) and frequency converters (23); The variable-frequency motor (1) be connected with frequency converter (23) is fixedly installed in bell-jar (2) upper end, and bell-jar (2) lower end and upper mounting plate (6) are coaxially installed; Shaft (9) upper end is successively through the deep groove ball bearing (4) in upper mounting plate (6) upper end center circular groove, deep groove ball bearing cover plate (5) being connected with variable-frequency motor (1) rotating shaft by shaft coupling (3), and shaft (9) lower end passes rotating disk upper cover plate (12), rotating disk lower cover (13) being fixed by set nut successively; 90 °, 5/6 interval, radius of a circle place is uniform offers the isosceles triangle test specimen mounting groove that a base angle is 45 ° for rotating disk upper cover plate (12) lower end and rotating disk lower cover (13) upper end distance, and isosceles triangle test specimen mounting groove drift angle is towards unanimously; Rotating disk upper cover plate (12) lower end and distance 90 °, 5/6 interval, radius of a circle place, rotating disk lower cover (13) upper end is uniform offers an isosceles triangle cavitation and induce tank, isosceles triangle cavitation induction tank drift angle is towards unanimously, and towards the opposite with isosceles triangle test specimen mounting groove drift angle; Along in the cavitations induction tank of counterclockwise 0 °, 90 °, 180 °, 270 °, to install drift angle be respectively 30 ° of cavitation persuaders (17), 15 ° of cavitation persuaders (15), 45 ° of cavitation persuaders (19) and 60 ° of cavitation persuaders (18), along installing the identical test specimen (14) of a structure in the test specimen mounting grooves of counterclockwise 5 °, 95 °, 185 °, 275 ° respectively, rotating disk upper cover plate (12) and rotating disk lower cover (13) are fixed by the fastening bolt (16) that 90 °, interval is uniform; Bracing frame (7) upper end and upper mounting plate (6) are connected and fixed, and bracing frame (7) lower end and ground are fixed; Coupling sleeve (8) upper end, lower end are welded and fixed with upper mounting plate (6), lower installation board (10) respectively; Lower installation board (10) is connected and fixed by flange and slurry tank (11), fluid-filled medium (21) in slurry tank (11), and slurry tank (11) bottom is offered exhaust opening and arranges screw plug (20).
2. rotary cavitation corrosion according to claim 1 and erosive wear synergy test unit, is characterized in that: described shaft (9) is embedded with water seal (22) with the junction of upper mounting plate (6) lower end.
3. rotary cavitation corrosion according to claim 1 and erosive wear synergy test unit, is characterized in that: described fluid media (medium) (21) is clear water, coal oil mixture, coal water mixture or water mortar.
CN201410188418.XA 2014-05-06 2014-05-06 Rotary cavitation corrosion and erosive wear synergy test unit Active CN103969140B (en)

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CN106932293A (en) * 2017-04-28 2017-07-07 太原科技大学 A kind of self-rotary multi-phase flow erosion abrasion tester
CN107290238B (en) * 2017-07-10 2020-04-21 西北工业大学 Quick abrasion test device for flow passage component of hydraulic machine
CN108956352A (en) * 2018-06-30 2018-12-07 马鞍山钢铁股份有限公司 For evaluating the experimental rig and test method of exemplar erosive wear resistant performance
CN109323945A (en) * 2018-08-14 2019-02-12 重庆交通大学 A kind of corrosion-inhibiting coating accelerates erosion test device and test method
CN109596506B (en) * 2018-12-20 2019-10-29 武汉海王科技有限公司 A kind of anti-cavitation corrosion of coating, resistance to high speed wash away performance test apparatus
CN111044399A (en) * 2019-12-10 2020-04-21 中国科学院宁波材料技术与工程研究所 Test device for testing cavitation-fouling synergistic effect

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* Cited by examiner, † Cited by third party
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JPS6070333A (en) * 1983-09-28 1985-04-22 Hitachi Ltd Cavitation erosion testing apparatus
CN100485360C (en) * 2007-03-09 2009-05-06 浙江理工大学 Rotary single-phase flow wash-out testing device
CN102169071B (en) * 2011-01-21 2012-11-28 东南大学 Rotating disk cavitation test bench based on flexible rotor
CN202216883U (en) * 2011-09-02 2012-05-09 杭州富如德科技有限公司 Supersonic speed gas-solid two-phase flow erosive wear tester
CN102564934B (en) * 2012-01-20 2013-10-16 杭州富如德科技有限公司 Rotary type liquid-solid two-phase flow erosive wear test device
CN203858170U (en) * 2014-05-06 2014-10-01 浙江理工大学 Rotary type cavitation erosion-erosion wear synergistic testing device

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Contract record no.: X2023980054645

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20231229

Application publication date: 20140806

Assignee: Hangzhou meteorite Education Technology Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2023980054651

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20231229

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20140806

Assignee: Hangzhou Xinlong Huazhi Trademark Agency Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2024980000018

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240103

Application publication date: 20140806

Assignee: Hangzhou Jinyong Technology Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2024980000017

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240103

Application publication date: 20140806

Assignee: Golden Wheat Brand Management (Hangzhou) Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2024980000016

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240103

Application publication date: 20140806

Assignee: Hangzhou Kaiyi Shenzhou Kaiyuan Financial and Tax Services Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2023980054739

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240102

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20140806

Assignee: Women Xili Environmental Technology Group Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2024980000120

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240104

Application publication date: 20140806

Assignee: Zhejiang Yuanling Hui Intelligent Health Technology Group Co.,Ltd.

Assignor: Tongxiang Zhimeng Intellectual Property Operation Co.,Ltd.

Contract record no.: X2024980000119

Denomination of invention: Test device for synergistic effect of rotary cavitation and erosion wear

Granted publication date: 20160413

License type: Common License

Record date: 20240104