CN212932322U - Corrosion experiment device for simulating multi-factor interaction of marine service environment - Google Patents
Corrosion experiment device for simulating multi-factor interaction of marine service environment Download PDFInfo
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Abstract
The invention discloses a corrosion experiment device for simulating multi-factor interaction of a marine service environment. The test box includes the box, is provided with the observation window on the box, and the lateral wall is equipped with the test hole, and temperature, humidity in the test box all can be controlled and adjust, the sample frame sets up outside sea water corrosion test groove, including a crossbeam, haulage rope and an independent lock piece, the crossbeam tip is equipped with the pulley, haulage rope one end is used for connecting the sample, and wear out from the test hole after the pulley is walked around to the other end, connects the lock piece, the agitator immerges in the sea water corrosion test groove. The device has the advantages of simple structure, wide application range, simple operation and high efficiency. The corrosion test can simulate the corrosion tests of different environments such as ultraviolet rays, seawater corrosion, seawater scouring, environment temperature and the like, ensures the repeatability of results, and is suitable for the corrosion test of various marine parts and coatings thereof for simulating marine service environments.
Description
Technical Field
The invention relates to the technical field of marine environment simulation, in particular to a corrosion experiment device and method for simulating multi-factor interaction of a marine service environment.
Background
Oceans contain abundant resources, such as harbors, fisheries, oil and gas, ocean energy, and the like. Has great potential economic value and important strategic position, but also brings new challenges. The marine environment is complex and has many uncertainties, and is one of the worst environments. Research shows that the corrosion loss of the marine environment accounts for about one third of the total corrosion loss, and the economic loss caused by marine corrosion is more remarkable. A large number of marine infrastructure and marine equipment are in severe environments with high salinity, high humidity and strong sunlight irradiation, and the use of various protective coatings is one of the main means for ensuring the environmental adaptation. At present, the main research method for researching corrosion in the marine environment is a real-sea pendant corrosion sample method, but the test period of the experimental method is long, a large amount of manpower, material resources and financial resources are required to be input, uncontrollable factors are more, the experimental data deviation is large due to poor consistency of the real marine environment, samples are easy to lose due to the severe marine environment, and the like. At present, single-factor experiments such as light irradiation, seawater scouring, seawater corrosion and the like are often adopted for evaluating the protection performance of the coating in a laboratory, and the consideration on the ocean service working condition under the combined action of multiple factors in the actual situation is insufficient. Therefore, it is necessary to explore an accelerated experiment method and device for simulating a real marine service environment.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the corrosion experiment device and the method for simulating the multi-factor interaction of the marine service environment, which can simulate the multi-factor combined action of the marine environment, comprehensively consider the influence of the change of factors such as ultraviolet rays, seawater corrosion, seawater scouring and environmental temperature on the corrosion of the sample, can simulate the marine environment more accurately, solve the problems of evaluation of the corrosion resistance of the marine environment, prediction of the service life and the like in a laboratory, and can accelerate the experiment process.
The technical scheme adopted by the invention is as follows:
the utility model provides a simulation ocean service environment multi-factor interactive corrosion experiment device, includes the proof box, is provided with light source module, sea water corrosion test groove, agitator and the sample frame that is used for simulating solar radiation in this proof box, the proof box include the box, be provided with the observation window on the box, the lateral wall is equipped with the test hole, temperature, humidity in the proof box all can be controlled and adjust, the sample frame sets up outside sea water corrosion test groove, including a crossbeam, haulage rope and an independent lock piece, the crossbeam tip is equipped with the pulley, haulage rope one end is used for connecting the sample, and wear out from the test hole after the pulley is walked around to the other end, connects the lock piece, lock piece size is greater than the test hole aperture with fixed haulage rope, the agitator immerses in the sea water corrosion test groove.
In the technical scheme, the controllable temperature range in the test box is between-20 ℃ and 130 ℃, the temperature fluctuation range is less than +/-0.5 ℃, and the temperature rise and fall speed is 2-20 ℃/min.
Furthermore, the light source module for simulating solar radiation is provided with an independent switch, and the light source part adopts a xenon arc lamp filtered by a filter described in GB/T1865-.
Furthermore, the rotating speed of the stirrer can be adjusted at will within the interval of 0-50r/s, so that the simulation of the seawater scouring speed of the sample is realized.
Furthermore, the seawater corrosion test tank is made of organic glass with corrosion resistance and good light transmittance, and simulated seawater or other liquid corrosion media are filled in the seawater corrosion test tank.
Furthermore, the hauling cable adopts a steel wire.
The invention utilizes the experimental environment with controllable temperature and humidity generated by the test box, and the test box is provided with a light source module for simulating solar radiation, a stirrer, a seawater corrosion test tank and a sample frame. The device comprises a stirrer, a seawater corrosion test groove, a full immersion area, a tidal range area and a splashing area, wherein the stirrer is used for beating and simulating seawater in the seawater corrosion test groove in a rotary mode to stir liquid to move and generate spray, the corrosion environment simulation of the full immersion area, the tidal range area and the splashing area in seawater can be realized by adjusting the height of a test sample, the liquid level of the seawater corrosion test groove, the rotating speed of the stirrer and the like, and a light source module for simulating solar radiation is provided with an independent switch and is used for simulating the influence of the solar radiation on the. In addition, set up observation window and test hole on the proof box, need not to break off the experiment process and can realize the altitude mixture control of sample through the length of adjusting the haulage rope outside the proof box, the device simple structure, the method application is wide, easy operation is efficient. The corrosion test can simulate the corrosion tests of different environments such as ultraviolet rays, seawater corrosion, seawater scouring, environment temperature and the like, ensures the repeatability of results, and is suitable for the corrosion test of various marine parts and coatings thereof for simulating marine service environments.
Drawings
FIG. 1 is a schematic diagram of a device according to the present invention;
FIG. 2 is a schematic diagram showing a structure of a high-low temperature alternating humid heat test chamber in the apparatus of the present invention;
in the figure: 1. the device comprises a test box, 2, a light source module, 3, a seawater corrosion test tank, 4, a stirrer, 5, a sample frame, 6, a locking piece, 7, a sample, 8, a stirring controller, 9, an observation window, 10, a test hole, 11, a hinge, 12, a gate, 13, a motor cover, 14, a control cabinet, 15, a control panel, 16, a door handle, 17 and a caster;
Detailed Description
The technical solutions of the present invention are further described below with reference to specific examples, but not intended to limit the scope of the present invention.
The utility model provides an interactive corrosion experiment device of marine service environment multifactor that can utilize multifactor combined action, includes proof box 1 and locates light source module 2, agitator 4, sea water corrosion test tank 3 and the sample frame 5 of the simulation solar radiation in the proof box, and device overall arrangement and schematic diagram are shown as attached figure 1, and agitator 4 arranges in sea water corrosion test tank 3, and sample 7 sets up on the sample frame.
The test chamber is internally provided with a temperature controller and a humidity controller, which are mainly used for controlling the temperature and the humidity in the test chamber, and the implementation methods of the temperature controller and the humidity controller are many and can be implemented by the existing methods, but the invention is not particularly limited, and as a specific example, the temperature controller and the humidity controller can be as shown in fig. 2, the height of the whole test chamber is 1.8m, the length and the width of the test chamber are both 1.2m, and the size of the working chamber is 600 × 500 × 750 mm. The temperature is controlled to be constant at 25 ℃, and the temperature fluctuation range is less than +/-0.5 ℃. The test box includes the box, is provided with observation window 9 on the box, and the lateral wall is equipped with test hole 10, the sample frame sets up outside sea water corrosion test groove 3, including a crossbeam, haulage rope and an independent lock piece 6, the crossbeam tip is equipped with the pulley, haulage rope one end is used for connecting the sample, and the other end is worn out from test hole 10 after bypassing the pulley, connects lock piece 6, lock piece size is greater than the test hole aperture with fixed haulage rope, 4 immersions of agitator are in sea water corrosion test groove 3.
The light source module 2 for simulating solar radiation adopts an ultraviolet lamp with an independent switch and a wavelength of 340 nm.
The combination of test parameters such as the day with higher solar irradiation temperature and the night without lower solar irradiation temperature can be simulated by adjusting the temperature and humidity of the test box and the on and off of the light source module for simulating solar radiation. In addition, the stirrer can adopt a stirrer with stepless speed change control, and a control part of the stirrer is preferably arranged outside the test box, so that the simulation of the corrosion environment of a full immersion area, a tidal range area and a splashing area in seawater can be realized by directly regulating the height of a sample in the seawater corrosion test tank and the rotating speed of the stirrer by regulating the length of a traction rope under the condition of not interrupting the experiment, such as:
the rotating speed of the stirrer with the stepless speed change control is set to be 10r/s, and the corrosion medium in the seawater corrosion test tank is set to be 5 percent of NaCl and 0.80 percent of Na in mass fraction respectively2S2O8、 0.05％(NH4)2SO4The mixed aqueous solution is used for simulating seawater, the pH value is 3.8-4.0, and the traction rope can be adjusted to ensure that the sample is completely immersed into a corrosive medium in a seawater corrosion test groove so as to simulate a full immersion area marine corrosion test;
the rotating speed of the stirrer with the stepless speed change control is set to be 25r/s, and the corrosion medium in the seawater corrosion test tank is set to be 5 percent of NaCl and 0.80 percent of Na in mass fraction respectively2S2O8、 0.05％(NH4)2SO4The pH value of the mixed aqueous solution is 3.8-4.0, and the traction rope can be adjusted to enable a sample to be placed at the liquid level of a corrosive medium in a seawater corrosion test groove so as to simulate a tidal range zone marine corrosion test;
the rotating speed of the stirrer with the stepless speed change control is set to be 50r/s, and the corrosion medium in the seawater corrosion test tank is set to be 5 percent of NaCl and 0.80 percent of Na in mass fraction respectively2S2O8、 0.05％(NH4)2SO4The mixed aqueous solution is used for simulating seawater, the pH value is 3.8-4.0, and the traction rope can be adjusted to enable a sample to be placed 10cm above the liquid level of a corrosion medium in a seawater corrosion test groove so as to simulate a splash zone marine corrosion test.
Claims (6)
1. The utility model provides a simulation ocean service environment multifactor interactive corrosion experiment device, its characterized in that, the device include the proof box, be provided with light source module, sea water corrosion test groove, agitator and the sample frame that is used for simulating solar radiation in this proof box, the proof box include the box, be provided with the observation window on the box, the lateral wall is equipped with the test hole, temperature, humidity in the proof box all can be controlled and adjust, the sample frame sets up outside sea water corrosion test groove, including a crossbeam, haulage rope and an independent locking piece, the crossbeam tip is equipped with the pulley, haulage rope one end is used for connecting the sample, and the other end is worn out from the test hole after passing around the pulley, connects the locking piece, locking piece size is greater than the test hole aperture and in order to fix the haulage rope, the agitator immerses in the sea water corrosion test groove.
2. The corrosion experimental device for simulating multi-factor interaction in marine service environment according to claim 1, wherein the controllable temperature range in the test chamber is from-20 ℃ to 130 ℃, the temperature fluctuation range is less than ± 0.5 ℃, and the temperature rise and fall rate is from 2 ℃/min to 20 ℃/min.
3. The corrosion experimental device for simulating multi-factor interaction in marine service environment as claimed in claim 1, wherein the light source module for simulating solar radiation is provided with an independent switch, and the light source part of the light source module adopts a xenon arc lamp filtered by a filter as described in GB/T1865 + 2009/ISO 11341:2004 standard or an ultraviolet lamp as described in GB/T23987 + 2009/ISO 16474-3:2007 standard.
4. The corrosion experimental device for simulating the multi-factor interaction in the marine service environment according to claim 1, wherein the rotating speed of the stirrer is arbitrarily adjustable within the interval of 0-50 r/s.
5. The experimental apparatus for simulating the multi-factor interaction in the marine service environment according to claim 1, wherein the seawater corrosion test tank is made of organic glass, and simulated seawater is filled in the seawater corrosion test tank.
6. The corrosion experimental device for simulating multi-factor interaction in marine service environment according to claim 1, wherein the hauling cable is made of steel wire.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433055A (en) * | 2021-06-30 | 2021-09-24 | 江苏增达试验科技有限公司 | Sunshine simulation test box for adjusting air humidity |
| CN113759196A (en) * | 2021-09-08 | 2021-12-07 | 山东大学 | High-voltage electrical equipment experimental device and experimental method thereof |
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2020
- 2020-04-30 CN CN202020703296.4U patent/CN212932322U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433055A (en) * | 2021-06-30 | 2021-09-24 | 江苏增达试验科技有限公司 | Sunshine simulation test box for adjusting air humidity |
| CN113433055B (en) * | 2021-06-30 | 2022-07-26 | 江苏增达试验科技有限公司 | Sunshine simulation test box for adjusting air humidity |
| CN113759196A (en) * | 2021-09-08 | 2021-12-07 | 山东大学 | High-voltage electrical equipment experimental device and experimental method thereof |
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