CN113075073A - Solid-liquid two-phase erosion corrosion rotation experimental device - Google Patents
Solid-liquid two-phase erosion corrosion rotation experimental device Download PDFInfo
- Publication number
- CN113075073A CN113075073A CN202110317888.1A CN202110317888A CN113075073A CN 113075073 A CN113075073 A CN 113075073A CN 202110317888 A CN202110317888 A CN 202110317888A CN 113075073 A CN113075073 A CN 113075073A
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- roller
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- liquid
- planetary gear
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- 230000007797 corrosion Effects 0.000 title claims abstract description 22
- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 230000003628 erosive effect Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 18
- 238000005406 washing Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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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
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
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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
- 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 relates to a solid-liquid two-phase erosion corrosion rotation experimental device which comprises a support, wherein a roller is rotatably arranged on the support, a sample rack is arranged in the roller, a gear ring is arranged on the inner wall of the left end of the roller, a planetary gear mechanism is arranged in the left end part of the roller corresponding to the gear ring, a planetary gear of the planetary gear mechanism is in meshing transmission with the gear ring to drive the roller to rotate, a sun gear of the planetary gear mechanism drives the sample rack to rotate in the direction opposite to that of the roller, and convex body stop blocks are distributed on the inner wall of the roller at intervals. The invention avoids the deposition of sand grains at the bottom of the roller by the action of the convex body stop blocks which are distributed at intervals in a staggered way, and realizes the uniform mixing of the sand grains in the corrosive solution; the sample and the corrosive solution move oppositely, so that the relative rest between the solution and the sample is avoided, the relative speed between the sample and the solution is improved, and the washing is more thorough; meanwhile, the vortex existing in the corrosive solution is reduced by utilizing the rotating speed difference between the corrosive solution and the sample, and the accuracy of the experimental result is improved.
Description
Technical Field
The invention relates to the technical field of metal materials, in particular to a solid-liquid two-phase rotation experimental device applied to erosion corrosion of the surface of a metal material.
Background
Erosive corrosion is a phenomenon of metal damage due to high-speed relative motion between a metal surface and a corrosive fluid, and is the result of the interaction of erosive wear and electrochemical corrosion. Erosion corrosion is a very complex process, and factors influencing the corrosion rate are many, mainly including: liquid flow rate, fluid sand content, sand size, fluid pH, solution temperature, composition of materials, and the like.
The erosion corrosion test mostly uses a rotary type, pipe flow type or jet type experimental device, wherein the rotary type device realizes the abrasion and corrosion of the metal surface by the tangential force generated between the sample rotating on the sample frame and the static liquid, but the rotating disc or the cylinder commonly used in the prior art hardly enables the sand at the bottom of the roller to be completely and uniformly suspended in the solution, therefore, when the content of the sand is changed in the experiment, the corrosion rate is not obvious along with the change of the sand content, and the accuracy of the experimental result is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a solid-liquid two-phase erosion corrosion rotary experimental device, which is used for solving the problems that sand grains are not uniformly mixed and the corrosion rate is not obviously changed along with the change of the sand amount in the prior structure.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a double-phase scour corrosion rotatory experimental apparatus of solid-liquid, has the support, rotates on the support and installs the cylinder, the cylinder in be equipped with the sample frame, be equipped with the ring gear on the inner wall of cylinder left end, install planetary gear mechanism in the cylinder left end portion that corresponds the ring gear position, planetary gear mechanism's planet wheel and ring gear meshing transmission and drive the cylinder rotatory, planetary gear mechanism's sun gear drive sample frame makes the rotation with the cylinder opposite direction, the staggered distribution has the convex body dog on the barrel inner wall of cylinder.
Furthermore, the cylinder right-hand member install the detachable closing cap, the cylinder upper wall rigid coupling has the inlet tube, the cylinder lower wall rigid coupling has the drain pipe.
Specifically, the support is provided with support rods which are respectively arranged at the outer sides of two ends of the roller, a rear rotating shaft which is supported on the support rods at the outer side of the right end of the roller is fixed at the center of the sealing cover, a front rotating shaft is installed at the center of the sun gear, the inner end of the front rotating shaft extends into the roller and is fixedly connected with the end face of the sample rack, the outer end of the front rotating shaft is supported on the support rods at the outer side of the left end of the roller, and a driven gear which drives the front rotating shaft to rotate is.
Further, the power system comprises an electric motor and a gearbox in transmission connection with the electric motor, and the output end of the gearbox is provided with a driving gear in meshed transmission with a driven gear.
For the energy saving, driving system still include solar panel and with the battery of solar panel line connection storage electric energy, battery and motor line connection.
Furthermore, a protective cover is arranged on the periphery of the power system, and a master control switch for controlling the starting of the motor is installed on the protective cover.
The invention has the beneficial effects that: the convex body stop blocks which are distributed in a staggered and alternate mode are arranged on the inner wall of the cylinder body of the roller, so that the sand grains are prevented from being deposited at the bottom of the roller, and the sand grains are uniformly mixed in the corrosive solution; the sample and the corrosive solution move oppositely, so that the relative rest between the solution and the sample is avoided, the relative speed between the sample and the solution is improved, and the washing is more thorough; meanwhile, the vortex existing in the corrosive solution is reduced by utilizing the rotating speed difference between the corrosive solution and the sample, and the purpose of improving the accuracy of the experimental result is realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the planetary gear mechanism of the present invention.
Fig. 3 is a schematic structural view of the inner wall of the drum according to the present invention.
In the figure: 1. the solar energy collecting device comprises a solar panel, 2 a master control switch, 3 a storage battery, 4 a motor, 5 a gearbox, 6 a driving gear, 7 a driven gear, 8 a protective cover, 9 a front rotary shaft, 10 a planetary gear mechanism, 11 a roller, 12 a sample holder, 13 a fastening bolt, 14 a sealing cover, 15 a sealing ring, 16 a drain pipe, 17 a support, 18 a water inlet pipe, 19 a gear ring, 20 a planetary gear, 21 a sun gear, 22 a planet carrier, 23 a convex body stop block and 24 a rolling bearing.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The solid-liquid two-phase erosion corrosion rotary experiment device shown in fig. 1 to 3 comprises a support 17, wherein the support 17 comprises a bottom plate, support rods are respectively fixed at two ends of the bottom plate, and a roller 11 is rotatably arranged between the support rods.
The detachable sealing cover 14 is installed at the right end of the roller 11, a rear rotating shaft supported on a supporting rod outside the right end of the roller 11 is fixed in the center of the sealing cover 14, a sealing gasket is arranged between the right end face of the roller 11 and the sealing cover, the outer ring of the sealing cover 14 is fixedly connected with the roller 11 through a fastening bolt 13 to form a closed environment, a water inlet pipe 18 is fixedly connected to the upper wall of the roller 11, and a water outlet pipe 16 is fixedly connected to the lower wall of the roller 11.
A sample frame 12 is arranged in the roller 11, the end face of the sample frame 12 is fixedly connected with a front rotating shaft 9 extending out of the left end of the roller 11, the front rotating shaft 9 is supported and matched with the left end part of the roller 11 through a pair of rolling bearings 24, and the inner end face of the rolling bearing 24 at the inner side is sealed by a sealing ring 15; the outer extending end of the front rotating shaft 9 is supported on a support rod on the outer side of the left end of the roller 11, and the end part of the front rotating shaft 9 is provided with a driven gear 7 which drives the front rotating shaft 9 to rotate.
A gear ring 19 is arranged on the inner wall of the drum body at the left end of the drum 11, a planetary gear mechanism 10 is installed in the left end portion of the drum 11 corresponding to the gear ring 19, the planetary gear mechanism 10 comprises three planet gears 20, a sun gear 21 and a planet carrier 22, the sun gear 21 is installed on the front rotating shaft 9, the three planet gears 20 are fixed through the planet carrier 22, the planet gears 20 are meshed with the sun gear 21, the planet gears 20 are in meshed transmission with the gear ring 19, the sun gear 21 serves as a driving part and drives the three planet gears 20 to rotate, and therefore the gear ring 19 is driven to rotate to achieve the rotating motion of the drum 11; at the same time, the sun gear 21 drives the sample holder 12 to rotate in the opposite direction to the drum 11.
11 sides of cylinder are equipped with a driving system, driving system include motor 4, gearbox 5, solar panel 1 and battery 3, motor 4 is connected with the transmission of gearbox 5, 5 outputs of gearbox have with driven gear 7 meshing driven driving gear 6, battery 3 and 1 line connection storage electric energy of solar panel, battery 3 and 4 line connection of motor and provide the electric energy of 4 moving of motor.
The periphery of the power system is provided with a protective cover 8, and a master control switch 2 for controlling the starting of the motor 4 is installed on the protective cover 8.
The staggered distribution has convex body dog 23 on the barrel inner wall of cylinder 11, and the sand grain can fall the clearance of convex body dog 23 in the experimentation, along with cylinder 11 upset drive sand grain from the bottom rotation to the top, and then from upper portion whereabouts, has avoided the deposit of sand grain in cylinder 11 bottom, realizes that the sand grain misce bene in corrosive solution plays the stirring effect.
Before the experiment, the cover 14 is first opened, the sample is placed on the sample holder 12, and then the cover 14 is covered and fixed by the fastening bolt 13. The required amount of water and sand is added from the inlet pipe 18 and the inlet pipe 18 is closed.
During the experiment, the main control switch 2 of the starting force system is firstly started, the motor 4 starts to operate, the driving gear 6 in the gearbox 5 is driven to rotate along with the output shaft of the motor 4, the driven gear 7 and the front rotary shaft 9 connected with the driven gear are driven to move, then the planetary gear mechanism 10 is driven to rotate, the effect of the rolling bearings 24 at two ends of the planetary gear mechanism 10 is realized, the roller 11 is driven to reversely rotate while the planetary gear mechanism 10 rotates, and finally the operation of the device is realized.
After the experiment is finished, the drain pipe 16 is opened to drain water and sand, then the sealing cover 14 is opened to take out the sample, and the influence of the sand content in the corrosion solution on the erosion corrosion of the sample is researched.
Because the rotation direction between the roller 11 and the sample frame 12 is opposite, the opposite movement of the corrosive solution and the sample is formed, so that the relative rest between the solution and the sample is avoided, the relative speed of the sample and the solution is improved, the washing is more thorough, and the better experiment effect is achieved.
In addition, the number of teeth of the gear ring 19 is far larger than that of the planet gear 20, so that the rotating speed of the corrosive solution is far smaller than that of the sample, the vortex existing in the corrosive solution can be reduced, and the accuracy of the experimental result is ensured.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a rotatory experimental apparatus of two-phase erosion corrosion of solid-liquid, has support (17), and rotary installation has cylinder (11), characterized by on support (17): the novel roller is characterized in that a sample frame (12) is arranged in the roller (11), a gear ring (19) is arranged on the inner wall of the left end of the roller (11), a planetary gear mechanism (10) is installed in the left end part of the roller (11) corresponding to the position of the gear ring (19), a planetary gear (20) of the planetary gear mechanism (10) is in meshing transmission with the gear ring (19) to drive the roller (11) to rotate, a sun gear (21) of the planetary gear mechanism (10) drives the sample frame (12) to rotate in the direction opposite to that of the roller (11), and convex body stop blocks (23) are alternately distributed on the inner wall of the roller (11) in a staggered mode.
2. The solid-liquid two-phase erosion corrosion rotary experiment device of claim 1, which is characterized in that: the detachable sealing cover (14) is installed at the right end of the roller (11), a water inlet pipe (18) is fixedly connected to the upper wall of the roller (11), and a water outlet pipe (16) is fixedly connected to the lower wall of the roller (11).
3. The solid-liquid two-phase erosion corrosion rotary experiment device as claimed in claim 2, wherein: the support (17) is provided with support rods which are respectively arranged at the outer sides of two ends of the roller (11), a rear rotating shaft which is supported on the support rods at the outer side of the right end of the roller (11) is fixed at the center of the sealing cover (14), a front rotating shaft (9) is installed at the center of the sun wheel (21), the inner end of the front rotating shaft (9) extends into the roller (11) and is fixedly connected with the end surface of the sample rack (12), the outer end of the front rotating shaft (9) is supported on the support rods at the outer side of the left end of the roller (11), and a driven gear (7) which drives the front rotating shaft (9) to.
4. The solid-liquid two-phase erosion corrosion rotary experiment device of claim 3, which is characterized in that: the power system comprises a motor (4) and a gearbox (5) in transmission connection with the motor (4), wherein the output end of the gearbox (5) is provided with a driving gear (6) in meshing transmission with a driven gear (7).
5. The solid-liquid two-phase erosion corrosion rotary experiment device of claim 4, which is characterized in that: the power system further comprises a solar panel (1) and a storage battery (3) connected with the solar panel (1) through a line for storing electric energy, wherein the storage battery (3) is connected with the motor (4) through a line.
6. The solid-liquid two-phase erosion corrosion rotary experiment device of claim 5, which is characterized in that: the periphery of the power system is provided with a protective cover (8), and the protective cover (8) is provided with a master control switch (2) for controlling the starting of the motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110317888.1A CN113075073A (en) | 2021-03-25 | 2021-03-25 | Solid-liquid two-phase erosion corrosion rotation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110317888.1A CN113075073A (en) | 2021-03-25 | 2021-03-25 | Solid-liquid two-phase erosion corrosion rotation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113075073A true CN113075073A (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110317888.1A Pending CN113075073A (en) | 2021-03-25 | 2021-03-25 | Solid-liquid two-phase erosion corrosion rotation experimental device |
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| Country | Link |
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| CN (1) | CN113075073A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202083603U (en) * | 2011-03-15 | 2011-12-21 | 中国石油大学(北京) | Counter-rotating corrosion test film hanger for simulating high flow rate |
| CN102954686A (en) * | 2011-08-30 | 2013-03-06 | 阳婷婷 | Rotary kiln device system with thermal insulation and agitation functions |
| CN107991357A (en) * | 2017-11-29 | 2018-05-04 | 常州大学 | Dual rotary disk backward erosion corrosion testing machine |
| CN109387446A (en) * | 2018-09-27 | 2019-02-26 | 国家能源投资集团有限责任公司 | Abrasion instrument and the attrition of catalyst rate measuring method for using it |
| CN110132828A (en) * | 2019-05-17 | 2019-08-16 | 常州大学 | A kind of anti-sand setting tests the speed erosion corrosion testing machine |
| CN210953686U (en) * | 2019-10-31 | 2020-07-07 | 无锡纽思铁科能源科技有限公司 | Rotary erosion corrosion test device |
-
2021
- 2021-03-25 CN CN202110317888.1A patent/CN113075073A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202083603U (en) * | 2011-03-15 | 2011-12-21 | 中国石油大学(北京) | Counter-rotating corrosion test film hanger for simulating high flow rate |
| CN102954686A (en) * | 2011-08-30 | 2013-03-06 | 阳婷婷 | Rotary kiln device system with thermal insulation and agitation functions |
| CN107991357A (en) * | 2017-11-29 | 2018-05-04 | 常州大学 | Dual rotary disk backward erosion corrosion testing machine |
| CN109387446A (en) * | 2018-09-27 | 2019-02-26 | 国家能源投资集团有限责任公司 | Abrasion instrument and the attrition of catalyst rate measuring method for using it |
| CN110132828A (en) * | 2019-05-17 | 2019-08-16 | 常州大学 | A kind of anti-sand setting tests the speed erosion corrosion testing machine |
| CN210953686U (en) * | 2019-10-31 | 2020-07-07 | 无锡纽思铁科能源科技有限公司 | Rotary erosion corrosion test device |
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Application publication date: 20210706 |