CN217931314U - Composite environmental test chamber for simulating marine atmospheric corrosion - Google Patents
Composite environmental test chamber for simulating marine atmospheric corrosion Download PDFInfo
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- CN217931314U CN217931314U CN202221907552.7U CN202221907552U CN217931314U CN 217931314 U CN217931314 U CN 217931314U CN 202221907552 U CN202221907552 U CN 202221907552U CN 217931314 U CN217931314 U CN 217931314U
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Abstract
The utility model discloses a compound environmental test case for simulating ocean atmosphere corrosion, include box, case lid, control panel, irradiation module, salt fog module, humiture module and sample support system. The irradiation module is used for controlling the power, the irradiance, the spectral range and the irradiation time of the test box; the salt spray module is used for providing the test box with the salt spray particle size and concentration meeting the test requirements; the temperature and humidity module is used for controlling the temperature and humidity of the test box; the sample support system can be used for placing test samples with different specifications at any angle; and the control panel is used for receiving and converting the electric signals into digital signals and setting test conditions. The utility model can accurately apply environmental conditions to the test sample through the set test procedure, and has stronger simulation to the natural environment; through automatic switching test procedures, manpower and material resources are saved, the device is suitable for the marine atmospheric environment corrosion simulation test of various materials, components and products, and the service safety of the device is ensured.
Description
Technical Field
The utility model belongs to the technical field of environmental test and observation, a marine environment analogue test technique is related to, in particular to compound environmental test case of simulation ocean atmosphere corruption.
Background
With the shift of strategic importance of economic centers, industrial bases, military equipment and the like to coastal and near and far seas in new period of China, the use and operational environments of various equipment platforms also change greatly, and besides the service performance of inland areas is ensured, the offshore environment platform must also adapt to marine environment conditions such as high temperature, high humidity, high salt fog, strong radiation and the like of coastal and near and far seas. The simulation marine environment test is an important means for evaluating the marine environment adaptability and service life of the material and improving the reliability of the equipment.
At present, the main method for simulating the corrosion of the marine atmospheric environment is a salt spray test, the salt spray test method simulates salt spray factors in the marine atmosphere, the obtained test result has larger deviation with the actual natural environment test result, and the correlation between the obtained test result and the actual natural environment test result is poorer. This is because the materials, components, equipments, etc. in the marine atmospheric environment are not only affected by the salt spray factor but also affected by the solar radiation, and the two factors are coupled with each other, so that the materials are in the high-temperature dry-damp hot salt spray-solar radiation cyclic corrosion environment, and the coupled corrosion result is worse than the single-factor corrosion result.
In order to accurately evaluate the marine environmental suitability and the service life of materials, components, equipment and the like, a natural environment must be better simulated, and salt spray-solar radiation-high temperature drying tests must be alternately performed. Under the requirement of such a test, after one environmental factor test needs to be completed when the existing equipment is used, the test sample is transferred to another environmental factor condition for testing. This needs to consume great manpower and materials, and can produce the injury to operating personnel in the transfer process, and program setting degree of automation is low, and the simulation is relatively poor usually, and the test result is inaccurate. It is necessary to design and manufacture an environmental test chamber capable of simulating the corrosion of the marine atmospheric environment, to realize the automation of the simulation test, and to improve the accuracy of the test result.
Disclosure of Invention
The utility model aims to solve the technical problem that a composite environmental test case of simulation ocean atmosphere corruption is provided, the ocean atmospheric environment adaptability research and the life-span aassessment of material, component, equipment for the realization ocean improve the accuracy of test result, and the research and development progress and the aassessment prescription of material are accelerated, ensure to equip the safety in service of facility.
The utility model aims at realizing like this, make salt fog module and irradiation module according to setting for the procedure work in turn through controlling panel and control system, simultaneously, portable model support cooperation irradiation module and the operating condition of salt fog module, the inclination of automatically regulated test sample makes environmental test case simulation ocean atmospheric environment, carries out corrosion test to being tested the sample. And (3) after the environmental test is finished, taking out the sample, and carrying out environmental adaptability and service life evaluation according to the corrosion damage degree of the sample, wherein the structure of the test box is shown in the attached figures 1-3.
The utility model relates to a composite environmental test chamber for simulating marine atmospheric corrosion, which comprises a chamber body, a chamber cover, a control panel, an irradiation module, a salt spray module, a temperature and humidity module and a sample support system; the irradiation module is used for controlling the power, the irradiance, the spectral range and the irradiation time of the test chamber; the salt spray module is used for providing the test box with the salt spray particle size and concentration meeting the test requirements; the temperature and humidity module is used for controlling the temperature and humidity of the test box; the sample support system can be used for placing test samples with different specifications at any angle; and the control panel is respectively in circuit connection with the irradiation module, the salt spray module and the temperature and humidity module and is used for receiving and converting the electric signals into digital signals and setting test conditions.
The utility model relates to a composite environmental test chamber for simulating ocean atmospheric corrosion, the irradiation module comprises an irradiation lamp tube, an irradiation control system, a lamp tube condensing system and an irradiation sensor; the irradiation control system is respectively connected with the irradiation lamp tube and the control panel circuit; the lamp tube condensing system is used for cooling the irradiation lamp tube; and the irradiation sensor is used for monitoring the irradiance of the test sample.
The utility model relates to a composite environment test case for simulating marine atmosphere corrodes, the irradiation module still includes the light filter, is located between irradiation fluorescent tube and the test sample for filter the radiation ray that surpasss sunlight intensity, make the irradiation fluorescent tube be close to the solar spectrum to the radiation of test sample more.
The utility model relates to a composite environmental test chamber for simulating marine atmospheric corrosion, the salt fog module comprises a spraying control system, a spraying device, a salt solution supply and control system and a compressed air supply and control system; the salt solution supply and control system and the compressed air supply and control system are respectively connected with the spraying control system and the control panel circuit and connected with the spraying device pipeline.
The utility model relates to a composite environmental test box for simulating marine atmospheric corrosion, which comprises a sample frame, a bracket power system and a bracket control system, wherein the sample frame can move transversely, rotate and rotate longitudinally; the bracket power system and the bracket control system control and regulate the sample bracket to enable the sample bracket to move transversely, rotate or rotate longitudinally so as to adapt to test samples of different specifications and enable the test samples to be placed at any angle.
The utility model relates to a compound environmental test case for simulating ocean atmosphere corrosion, the sample frame is perpendicular with irradiation fluorescent tube length direction.
The utility model relates to a compound environmental test case for simulating ocean atmosphere corrosion, irradiation control system, control panel, temperature and humidity control system and spraying control system all arrange box outer wall in with one side.
The utility model relates to a compound environmental test case for simulating marine atmosphere corruption can be to the accurate environmental condition of appling of test sample through the test procedure of setting for, and is stronger to natural environment's simulation nature. The sample rack with the automatically adjustable position ensures that the maximum area of the sample receives the irradiation, and simultaneously, the irradiation and the salt spray condition meet the requirements of various test conditions. Through automatic switching test program, the manpower and material resources are saved, the device is suitable for the simulated marine atmospheric environment corrosion test of various materials, components and products, and the service safety of the device is ensured.
Drawings
Fig. 1 is a front sectional view of the test chamber of the utility model.
Fig. 2 is a side sectional view of the cover of the test chamber of the present invention.
Fig. 3 the utility model discloses test box uncap overlooking the section view.
1-box body, 2-box cover, 3-irradiation lamp tube, 4-irradiation control system, 5-control panel, 6-temperature and humidity control system, 7-spraying control system, 8-lamp tube condensation system, 9-sample, 10-irradiation sensor, 11-sample rack, 12-spraying device, 13-temperature sensor, 14-humidity sensor, 15-support power system, 16-support control system, 17-salt solution supply and control system, 18-compressed air supply and control system, 19-heater and 20-humidifier.
Detailed Description
The invention is described in detail below by way of specific examples, it being necessary to point out that: this example is only suitable for further illustration of the invention, but does not limit its scope. Various modifications which do not depart from the spirit of the invention will become apparent to those skilled in the art from this disclosure, and are intended to be covered by the appended claims.
Example one
The test box for simulating the marine atmospheric corrosion composite environment test comprises a box body 1, a box cover 2, an operation panel 5, an irradiation module, a salt spray module, a temperature and humidity module and a sample support system, and is shown in attached figures 1-3.
The box cover 2 is composed of a top flat plate and four inclined side plates, and the angle formed by the four side plates and the top flat plate is 120 degrees.
And the control panel 5 consists of a liquid crystal large screen, a micro-control chip, a processor and a storage chip and is used for receiving and converting the electric signals into digital signals and setting test conditions.
The irradiation module is composed of an irradiation lamp tube 3, an irradiation control system 4, a lamp tube condensation system 8 and an irradiation sensor 10. The irradiation lamp tube 3 is a xenon arc lamp. And the irradiation control system 4 consists of a micro-control chip and a processor. The lamp tube condensing system 8 is made of 306 stainless steel, and two rows of water spray holes are uniformly distributed at the lower parts of two sides of the lamp tube condensing system along the axial direction and used for cooling the irradiation lamp tube (3). And the irradiation sensor 10 is used for monitoring the irradiation intensity of the xenon arc lamp. The irradiation control system 4 is in circuit connection with the irradiation lamp tube 3, and controls the irradiation spectrum range, the lamp tube power, the irradiance and the irradiation time by controlling the irradiation lamp tube 3.
The salt spray module is composed of a spray control system 7, a spray device 12, a salt solution supply and control system 17 and a compressed air supply and control system 18. And the spray control system 7 consists of a micro-control chip and a processor. The spraying device 12 is made of 306 stainless steel. The saline solution supply and control system 17 and the compressed air supply and control system 18 are electrically connected with the spraying control system 7 and are connected with the spraying device 12 through pipelines. The spraying control system 7 realizes the matching of the supply amount of the saline solution, the supply amount of the compressed air and the size and shape of a nozzle by controlling the saline solution supply and control system 17 and the compressed air supply and control system 18, so that the size and the concentration of the salt spray particles sprayed by the spraying device 12 meet the test requirements.
The temperature and humidity module is composed of a temperature and humidity control system 6, a temperature sensor 13, a humidity sensor 14, a heater 19 and a humidifier 20. And the temperature and humidity control system 6 consists of a micro control chip and a processor, is in circuit connection with the heater 19 and the humidifier 20, and realizes control of the test temperature and humidity by controlling the heater 19 and the humidifier 20. The temperature sensor 13 and the humidity sensor 14 are resistance-type temperature sensors, are in circuit connection with the control panel 5, and are used for monitoring and transmitting temperature and humidity data to the control panel 5 in real time.
The sample support system is composed of a sample support 11, a support power system 15 and a support control system 16. The sample holder 11 is made of several sets of corrosion resistant L-shaped and round polycarbonate strips. And the support power system 15 consists of a group of motors and a transmission device, and two ends of the plurality of groups of strip-shaped sample racks 11 respectively penetrate through the front and rear box walls to be assembled on the transmission device. And the support control system 16 consists of a micro-control chip and a processor. The bracket power system 15 and the bracket control system 16 are connected with each other through circuits; a rack control system 16 is connected to the rear end of the sample holder 11. The support power system 15 and the support control system 16 control and regulate the sample support 11 to move transversely, rotate or rotate longitudinally so as to adapt to test samples 9 with different specifications and place the test samples at any angle.
In the composite environmental test chamber of the present embodiment, the sample holder 11 is suspended in the central position of the height direction of the chamber body 1, and the length direction thereof is perpendicular to the length direction of the irradiation lamp 3. The support power system 15 and the support control system 16 are both fixed on the outer side of the rear wall of the box body 1. The lamp tube condensing system 8 is arranged in the center of the top flat plate of the box cover 2 in parallel with the length direction of the box body 1; the two irradiation lamp tubes 3 are arranged in parallel with the condensing system 8 and symmetrically fixed on two opposite side plates of the box cover 2. The radiation sensor 10 is placed on the sample holder 11 in the middle position, parallel to the bottom plate of the case 1. The spraying device 12 is positioned at the center of the bottom plate of the box body 1. The saline solution supply and control system 17 and the compressed air supply and control system 18 are located at the rear of the tank 1. The temperature sensor 13 and the humidity sensor 14 are located at about 1/3 of the height of the inner side wall of the box body 1. The heater 19 and the humidifier 20 are positioned on the bottom plate of the box body 1. The irradiation control system 4, the control panel 5, the temperature and humidity control system 6 and the spraying control system 7 are all arranged on the same side of the outer wall of the box body 1, so that the mutual matching and adjustment are convenient, and the detection conditions in the box body 1 meet set values. The illumination control system 4, the temperature and humidity control system 6, the spraying control system 7, the salt solution supply and control system 17 and the compressed air supply and control system 18 are respectively connected with the control panel 5 through circuits.
first, the test case cover 2 is opened, the test samples 9 are sequentially placed on the sample holder 11, and the case cover 2 is closed.
Then, the power supply is started, and a test program simulating the corrosion of the sea atmosphere in the east sea area is set through the control panel 5, wherein the test program comprises test content, sequence, conditions and cycle times of one cycle. The test contents, sequence and conditions of one cycle are sequentially the dry irradiation test: the temperature is 50 ℃ and the irradiance is 0.51W/m 2 @340nm, time 4h, wet irradiation test: the temperature is 50 ℃ and the irradiance is 0.51W/m 2 @340nm, time 4h, humidity 80%, salt spray test: concentration of salt solution 5% NaCl, pH6.8, salt spray concentration 10mg/m 3 The particle size of the fog drops is 0.4-10 mu m, the temperature is 35 ℃, and the time is 12 hours; drying test: the temperature is 50 ℃ and the time is 4h; the number of cycle periods was 7.
And finally, carrying out an irradiation and salt spray composite environment alternating test. Adjusting the sample holder 11 through a support power system 15 and a support control system 16 to enable the test sample 9 to be parallel to the bottom plate of the box body 1, and performing an irradiation test; after the completion, the sample holder 11 is adjusted again to make the test sample 9 and the bottom plate of the box body 1 form an angle of 45 degrees, and the salt spray test is carried out. The above steps are circulated for 7 times.
This example was used to simulate the corrosive effect of the east ocean atmospheric environment for 6 months. After the test is finished, taking out the sample 9, observing the corrosion condition of the sample surface, carrying out microscopic analysis on the corrosion product, and according to the corrosion damage degree test analysis result of the test sample 9, evaluating the marine environment resistance of the material, wherein the service life of the material in the marine environment is evaluated to be 8 years.
After taking back a coating sample subjected to a natural environment corrosion test for 6 years, 7 years and 8 years in an east sea atmospheric environment, pulling out the coating, wherein the coating sample subjected to the natural atmosphere corrosion for 6 years and 7 years has no corrosion to the matrix metal, and the sample subjected to the natural atmosphere corrosion for 8 years can be seen by naked eyes to generate corrosion to the matrix metal, which indicates that the service life of the coating is about 8 years, and is consistent with a prediction result of the coating after being corroded in a composite environment test box, and the simulation result of the composite test box on the coating is proved to be good.
Example two
The present embodiment differs from the embodiment in that:
the irradiation module further comprises an optical filter which is made of quartz glass and is placed below the side plate of the box cover 2 and used for filtering radiation rays exceeding the intensity of sunlight, so that the radiation of the irradiation lamp tube 3 to the test sample 9 is closer to the solar spectrum.
And (3) simulating a corrosion test of the ocean atmosphere in the south sea area.
The test contents, sequence and conditions of one cycle are sequentially the dry irradiation test: the temperature is 60 ℃, and the irradiance is 0.81W/m 2 @340nm, time 6h, wet irradiation test: the temperature is 60 ℃, and the irradiance is 0.70W/m 2 @340nm, time 4h, humidity 95%, salt spray test: salt solution concentration 5% NaCl, pH7.1, salt spray concentration 25mg/m 3 The particle size of the fog drops is 0.4-15 mu m, the temperature is 45 ℃, and the time is 14 hours; the number of cycle times was 10.
The test sample 9 and the bottom plate of the box body 1 form an angle of 60 degrees, and the salt spray test is carried out.
The corrosion effect of the ocean atmospheric environment of south China sea for 12 months is simulated. After the test is finished, the mechanical property detection of the material is added, the marine environment resistance of the material is evaluated to be good, and the service life of the material in the marine environment is evaluated to be 12 years.
After taking back the samples subjected to the natural environment corrosion tests for 8 years, 10 years, 12 years and 15 years in the south sea atmospheric environment, the mechanical property retention rates of the corrosion samples for 8 years, 10 years, 12 years and 15 years are respectively 90%,88%,65% and 20%, and according to the performance index requirement of the performance retention rate of 60%, the service life of the glass fiber reinforced resin matrix composite material is slightly longer than 12 years, which is consistent with the prediction result of the material after being corroded in the composite environment test box, and the simulation of the composite test box on the south sea environment is proved to be good.
Claims (8)
1. The utility model provides a compound environmental test case for simulating marine atmosphere corrodes, includes box, case lid, its characterized in that: the system also comprises a control panel (5), an irradiation module, a salt spray module, a temperature and humidity module and a sample support system; the irradiation module is used for controlling the power, the irradiance, the spectral range and the irradiation time of the test chamber; the salt spray module is used for providing the test box with the salt spray particle size and concentration meeting the test requirements; the temperature and humidity module is used for controlling the temperature and humidity of the test box; the sample support system can be used for placing test samples (9) with different specifications at any angle; and the control panel (5) is respectively in circuit connection with the irradiation module, the salt spray module and the temperature and humidity module and is used for receiving and converting the electric signals into digital signals and setting test conditions.
2. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 1, wherein: the irradiation module comprises an irradiation lamp tube (3), an irradiation control system (4), a lamp tube condensation system (8) and an irradiation sensor (10); the irradiation control system (4) is respectively in circuit connection with the irradiation lamp tube (3) and the control panel (5); a lamp condensing system (8) for cooling the irradiation lamp (3); an irradiance sensor (10) for monitoring irradiance of the test sample (9).
3. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 2, characterised in that: the irradiation module further comprises a filter, which is positioned between the irradiation lamp tube (3) and the test sample (9) and is used for filtering radiation rays exceeding the intensity of sunlight so that the radiation of the irradiation lamp tube (3) to the test sample (9) is closer to the solar spectrum.
4. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 2, characterised in that: the salt spray module comprises a spray control system (7), a spray device (12), a salt solution supply and control system (17) and a compressed air supply and control system (18); the saline solution supply and control system (17) and the compressed air supply and control system (18) are respectively connected with the spraying control system (7) and the control panel (5) through circuits and connected with the spraying device (12) through pipelines.
5. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 4, wherein: the temperature and humidity module comprises a temperature and humidity control system (6), a temperature sensor (13), a humidity sensor (14), a heater (19) and a humidifier (20); the temperature and humidity control system (6) is respectively in circuit connection with the heater (19), the humidifier (20) and the control panel (5); and the temperature sensor (13) and the humidity sensor (14) are in circuit connection with the control panel (5).
6. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 5, wherein: the sample support system comprises a sample support (11) which can move transversely, rotate and rotate longitudinally, a support power system (15) and a support control system (16); the bracket power system (15) and the bracket control system (16) control and regulate the sample bracket (11) to transversely move, rotate or longitudinally rotate so as to adapt to test samples (9) with different specifications and arrange the test samples at any angle.
7. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 6, characterized in that: the sample holder (11) is vertical to the length direction of the irradiation lamp tube (3).
8. A composite environmental test chamber for simulating marine atmospheric corrosion according to claim 5, wherein: the irradiation control system (4), the control panel (5), the temperature and humidity control system (6) and the spraying control system (7) are all arranged on the same side of the outer wall of the box body (1).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118392774A (en) * | 2024-07-01 | 2024-07-26 | 宁波大学 | Ocean dynamic corrosion simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118392774A (en) * | 2024-07-01 | 2024-07-26 | 宁波大学 | Ocean dynamic corrosion simulation device |
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