CN111157439A - Accelerated test device for simulating ocean multi-zone corrosion - Google Patents
Accelerated test device for simulating ocean multi-zone corrosion Download PDFInfo
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses an accelerated test device for simulating multi-zone corrosion of sea, which comprises a box body, wherein a test chamber for simulating the environments of a sea mud zone, a full immersion zone, a tidal range zone, a splash zone and a sea atmospheric zone, a power chamber for providing water circulation, a corrosive solution chamber for storing corrosive solution and a control chamber for controlling the device are arranged in the box body; the test chamber is arranged on the right side of the box body, the power chamber is arranged on the lower portion of the left side of the box body, the corrosive solution chamber is arranged in the middle of the left side of the box body, the control chamber is arranged on the upper portion of the left side of the box body, and partition plates are arranged among the test chamber, the power chamber, the corrosive solution chamber and the control chamber. The invention can realize accelerated simulation of the corrosion state of the ocean multi-zone, and is convenient for better researching the corrosion behavior and mechanism of the ocean multi-zone.
Description
Technical Field
The invention relates to the technical field of test devices, in particular to an acceleration test device for simulating marine multi-zone corrosion.
Background
Since the 21 st century, the ocean economy of China is rapidly developed, and a large amount of maritime work equipment such as offshore oil platforms, harbor wharfs, cross-sea bridges, offshore wind power and the like are developed. The marine engineering equipment is exposed to the marine environment for a long time, and structural components of the marine engineering equipment are respectively exposed to a marine atmosphere area, a splashing area, a tidal range area, a full immersion area and a sea mud area from top to bottom. The marine engineering equipment can be seriously corroded in the marine environment, the normal development of marine economy is seriously influenced, and huge economic loss is caused. Therefore, the corrosion rule and mechanism of the metal material in the marine environment are systematically researched, scientific basis can be provided for material selection, design and corrosion standard establishment of marine engineering equipment, and the method has very important significance for the rapid development of marine economic health.
However, the existing simulation device is more important to simulate the influence of an ocean atmospheric region and a tidal range region on metal corrosion, and neglects the characteristic that ocean engineering equipment as a whole simultaneously spans the ocean atmospheric pressure, a splashing region, the tidal range region, a full immersion region and a sea mud region. The existing simulation device cannot research the corrosion rule and mechanism of metal under the coupling action of multiple-zone and multiple-exposure environments. Therefore, a test device capable of simulating multiple zones of a sea mud zone, a full immersion zone, a tidal range zone, a splash zone and an ocean atmosphere zone is needed.
Disclosure of Invention
The invention provides an accelerated test device for simulating multi-zone corrosion of sea, which can simulate a test device for a plurality of zones of a sea mud zone, a full immersion zone, a tidal range zone, a splash zone and a sea atmosphere zone.
In order to solve the above technical problem, an embodiment of the present invention provides an accelerated test apparatus for simulating marine multi-zone corrosion, including: the device comprises a box body, a water circulation system and a control system, wherein a test chamber for simulating the environments of a sea mud area, a full immersion area, a tidal range area, a splash area and an ocean atmosphere area, a power chamber for providing water circulation, a corrosive solution chamber for storing a corrosive solution and a control chamber for controlling the device are arranged in the box body; the test chamber is arranged on the right side of the box body, the power chamber is arranged on the lower portion of the left side of the box body, the corrosive solution chamber is arranged in the middle of the left side of the box body, the control chamber is positioned on the upper portion of the left side of the box body, and partition plates are arranged among the test chamber, the power chamber, the corrosive solution chamber and the control chamber;
a temperature and humidity sensor, an exhaust fan, a heating plate and a corrosion box which are used for detecting the temperature and humidity in the test chamber are arranged in the test chamber; the temperature and humidity sensor is arranged on the top surface in the test chamber, the exhaust fan and the heating plate are arranged on the inner wall of the test chamber, and the output directions of the exhaust fan and the heating plate respectively correspond to the corrosion box; the corrosion box is fixedly connected with the box body through a fixing piece;
the corrosion box is divided into a sea mud area, a full immersion area, a tidal range area, a splash area and an ocean atmosphere area; a sample hanging frame is arranged in the corrosion box, a transverse support rod is arranged at the top of the sample hanging frame, a plurality of upper support rods are erected in the transverse support rod, the upper support rods penetrate through the tops of a plurality of fixing rods, a plurality of lower support rods penetrate through the bottoms of the fixing rods, pit grooves used for placing metal samples for testing are formed in the fixing rods, bubble tubes are connected among the fixing rods and connected with an air pump, a pressure gauge is arranged between each bubble tube and the air pump, and the spoondrift splashing process is simulated by generating bubbles in water; the inner wall of the corrosion box is provided with a temperature sensor and a first liquid level sensor combination; one side of the corrosion box is communicated with one end of a circulating water pipeline of the power chamber, the other end of the circulating water pipeline is communicated with a water tank of the corrosion solution chamber, and the corrosion box is communicated with a sea mud groove of the corrosion solution chamber through a sea mud slideway;
the circulating water pipeline of the power chamber is provided with an input pipe, one end of the input pipe is communicated with the water tank, the other end of the input pipe is connected with a first tee joint, the first tee joint is respectively communicated with a second tee joint and a first elbow through a pipeline, a first electromagnetic valve is arranged between the first tee joint and the second tee joint, and a second electromagnetic valve is arranged between the first tee joint and the first elbow through a pipeline; one end of the second tee joint and the first elbow are respectively communicated with two ends of the third tee joint through pipelines, and a filter valve, a speed regulating valve and a water pump are arranged between the second tee joint and the third tee joint; the other end of the second tee joint is communicated with a second elbow through a pipeline; the other ends of the second elbow and the third tee are respectively communicated with a fourth tee through pipelines, a third electromagnetic valve is arranged between the second elbow and the fourth tee, and a fourth electromagnetic valve is arranged between the third tee and the fourth tee; the fourth tee joint is communicated with the corrosion box through an output pipe;
a water tank is arranged in the corrosive solution cavity, a second liquid level sensor combination is arranged on the inner wall of the water tank, and a sea mud groove is formed in the water tank; the water tank is fixedly connected with the tank body through a fixing piece;
a PLC controller is arranged in the control cavity, the PLC controller is electrically connected with the relay, the A/D converter, the D/A converter, the frequency converter, the control panel and the buzzer, and the temperature and humidity sensor, the temperature sensor, the first liquid level sensor combination and the second liquid level sensor combination are respectively and electrically connected with the input end of the PLC controller; the exhaust fan, the heating plate, the air pump, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the filter valve, the speed regulating valve and the water pump are respectively and electrically connected with the output end of the PLC.
Further, the top surface in the test chamber is equipped with the red ultraviolet lamp array, and the red ultraviolet lamp array is connected with the output electricity of PLC controller, provides the influence of research red ultraviolet ray to the sample coating is ageing.
Furthermore, the inner wall of the test chamber is provided with a nozzle, the nozzle is connected with a water tank of the power chamber, and an atomizing pump is arranged between the nozzle and the water tank to better adjust the environment humidity.
Further, the inner wall of the corrosion box is provided with a first liquid level meter, and the inner wall of the corrosion solution chamber is provided with a second liquid level meter, so that the liquid level height can be observed conveniently.
Furthermore, the corrosion tank and the water tank are provided with drain valves, and the corrosion tank is provided with a drain valve, so that drainage of the corrosion tank and the water tank and drainage of the corrosion tank are facilitated.
Furthermore, the bottom of the box body is provided with a movable wheel, so that the device can be conveniently moved.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
a temperature and humidity sensor, an exhaust fan, a heating plate and a corrosion box for detecting the temperature and humidity in the test chamber are arranged in the test chamber; the temperature and humidity sensor is arranged on the top surface in the test chamber, the exhaust fan and the heating plate are arranged on the inner wall of the test chamber, and the output directions of the exhaust fan and the heating plate respectively correspond to the corrosion box; the corrosion box is fixedly connected with the box body through a fixing piece; the corrosion box is divided into a sea mud area, a full immersion area, a tidal range area, a splash area and an ocean atmosphere area; a sample hanging frame used for placing a metal sample is arranged in the corrosion box, so that a simulated environment of ocean multi-area corrosion is realized.
Drawings
FIG. 1 is a block diagram of an accelerated test rig of the present invention for simulating marine multi-zone corrosion;
FIG. 2 is a front view of a rack in an embodiment of the invention;
FIG. 3 is a left side view of a rack in an embodiment of the invention;
FIG. 4 is a block diagram of a circulation water line according to an embodiment of the present invention;
wherein, 1-a box body; 2-a test chamber; 3-a power chamber; 4-etching solution chamber; 5-a control chamber; 6-moving wheels;
201-temperature and humidity sensor; 202-exhaust fan; 203-a heating plate; 204-corrosion box; 205-rack for hanging samples; 206-transverse struts; 207-upper stay bar; 208-lower stay; 209-fixed bar; 210-a bubble vial; 211-an air pump; 212-pressure gauge; 213-a temperature sensor; 214-a first level sensor combination; 215-red ultraviolet lamp array; 216-a nozzle; 217-atomizing pump; 218-a drain valve; 219-a blowdown valve; 220-a first level gauge;
301-input tube; 302-a first tee; 303-a second tee; 304-a first bend; 305-a first solenoid valve; 306-a second solenoid valve; 307-third tee; 308-a filter valve; 309-speed regulating valve; 310-a water pump; 311-second bend; 312-a fourth tee; 313-a third solenoid valve; 314-a fourth solenoid valve; 315-output pipe; 316-a circulating water line;
401-a water tank; 402-a second liquid level sensor combination; 403-sea mud groove; 404-sea mud slide; 405-a second level gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a preferred embodiment of the present invention provides an accelerated test apparatus for simulating marine multi-zone corrosion, comprising: the device comprises a box body 1, wherein a test chamber 2, a power chamber 3, a corrosive solution chamber 4 and a control chamber 5 are arranged in the box body 1, the test chamber is used for simulating the environments of a sea mud area, a full immersion area, a tidal range area, a splash area and an ocean atmosphere area, the power chamber is used for providing water circulation, the corrosive solution chamber is used for storing a corrosive solution, and the control chamber is used for controlling the device; the testing chamber 2 is arranged on the right side of the box body 1, the power chamber 3 is arranged on the lower portion of the left side of the box body 1, the corrosive solution chamber 4 is arranged in the middle of the left side of the box body 1, the control chamber 5 is positioned on the upper portion of the left side of the box body 1, and partition plates are arranged among the testing chamber 2, the power chamber 3, the corrosive solution chamber 4 and the control chamber 5;
a temperature and humidity sensor 201, an exhaust fan 202, a heating plate 203 and a corrosion box 204 for detecting the temperature and humidity in the test chamber 2 are arranged in the test chamber 2; the temperature and humidity sensor 201 is arranged on the top surface in the test chamber 2, the exhaust fan 202 and the heating plate 203 are arranged on the inner wall of the test chamber 2, and the output directions of the exhaust fan 202 and the heating plate 203 respectively correspond to the corrosion box 204; the corrosion box 204 is fixedly connected with the box body 1 through a fixing piece;
referring to fig. 2 and 3, the corrosion tank 204 is divided into a sea mud area, a full immersion area, a tidal range area, a splash area and an ocean atmosphere area; a sample hanging frame 205 is arranged in the corrosion box 204, a transverse support rod 206 is arranged at the top of the sample hanging frame 205, a plurality of upper support rods 207 are erected in the transverse support rods 206, the upper support rods 207 penetrate through the tops of a plurality of fixing rods 209, a plurality of lower support rods 208 penetrate through the bottoms of the fixing rods 209, pit grooves for placing metal samples for testing are formed in the fixing rods 209, bubble tubes 210 are connected between the fixing rods 209 and connected with an air pump 211, a pressure gauge 212 is arranged between the bubble tubes 210 and the air pump 211, and the wave splashing process is simulated by generating bubbles in water; the inner wall of the corrosion box 204 is provided with a temperature sensor 213 and a first liquid level sensor assembly 214; one side of the corrosion tank 204 is communicated with one end of a circulating water pipeline 316 of the power chamber 3, the other end of the circulating water pipeline 316 is communicated with a water tank 401 of the corrosion solution chamber 4, and the corrosion tank 204 is communicated with a sea mud groove 403 of the corrosion solution chamber 4 through a sea mud slideway 404;
referring to fig. 4, a circulating water pipeline 316 of the power chamber 3 is provided with an input pipe 301, one end of the input pipe 301 is communicated with a water tank 401, the other end of the input pipe 301 is connected with a first tee 302, the first tee 302 is respectively communicated with a second tee 303 and a first elbow 304 through a pipeline, a first electromagnetic valve 305 is arranged between the first tee 302 and the second tee 303, and a second electromagnetic valve 306 is arranged between the first tee 302 and the first elbow 304 through a pipeline; one end of the second tee 303 and the first elbow 304 are respectively communicated with two ends of a third tee 307 through pipelines, and a filter valve 308, a speed regulating valve 309 and a water pump 310 are arranged between the second tee 303 and the third tee 307; the other end of the second tee 303 is communicated with a second elbow 311 through a pipeline; the other ends of the second elbow 311 and the third tee 307 are respectively communicated with a fourth tee 312 through pipelines, a third electromagnetic valve 313 is arranged between the second elbow 311 and the fourth tee 312, and a fourth electromagnetic valve 314 is arranged between the third tee 307 and the fourth tee 312; the fourth tee 312 is communicated with the corrosion tank 204 through an output pipe 315;
a water tank 401 is arranged in the corrosive solution chamber 4, a second liquid level sensor assembly 402 is arranged on the inner wall of the water tank 401, and a sea mud groove 403 is formed in the water tank 401; the water tank 401 is fixedly connected with the tank body 1 through a fixing piece;
a PLC controller is arranged in the control chamber 5, the PLC controller is electrically connected with the relay, the A/D converter, the D/A converter, the frequency converter, the control panel and the buzzer, and the temperature and humidity sensor 201, the temperature sensor 213, the first liquid level sensor assembly 214 and the second liquid level sensor assembly 402 are respectively electrically connected with the input end of the PLC controller; the exhaust fan 202, the heating plate 203, the air pump 211, the first electromagnetic valve 305, the second electromagnetic valve 306, the third electromagnetic valve 313, the fourth electromagnetic valve 314, the filter valve 308, the speed regulating valve 309 and the water pump 310 are respectively electrically connected with the output end of the PLC.
Preferably, the top surface in the experimental chamber 2 is equipped with red ultraviolet lamp array 215, and red ultraviolet lamp array 215 is connected with the output electricity of PLC controller, provides the influence of research red ultraviolet ray to the ageing of sample coating.
Preferably, the inner wall of the test chamber 2 is provided with a nozzle 216, the nozzle 216 is connected with a water tank 401 of the power chamber 3, and an atomizing pump 217 is arranged between the nozzle 216 and the water tank 401, so that the environmental humidity can be better adjusted.
Preferably, the inner wall of the corrosion tank 204 is provided with a first liquid level meter, and the inner wall of the corrosion solution chamber 4 is provided with a second liquid level meter, so that the liquid level height can be observed conveniently.
Preferably, the corrosion tank 204 and the water tank 401 are provided with drain valves 218, and the corrosion tank 204 is provided with a drain valve 219, so that the corrosion tank 204 and the water tank 401 can be drained conveniently and the corrosion tank 204 can be drained conveniently.
Preferably, the bottom of the box body 1 is provided with a moving wheel 6, so that the device can be moved conveniently.
When metal corrosion research is carried out, firstly, a proper amount of seawater is injected into a water tank 401 of the corrosion solution chamber 4, a prepared metal sample is arranged on a sample hanging frame 205, the sample hanging frame 205 is arranged in the corrosion box 204, and a proper amount of sea mud is added into the corrosion box 204 through a sea mud groove 403 and a sea mud slide way 404, so that the bottommost sample is completely immersed in the sea mud. Test parameters such as the length of the flood and flood tide, the temperature of the air in the test chamber 2, the relative humidity, and the irradiation time of the red and ultraviolet lamp array 215 are then set through the control panel. And after the test parameters are set, starting the device to perform a corrosion test. A temperature sensor 213 is arranged in the corrosion box 204 of the test chamber 2, and the temperature of the seawater in the corrosion box 204 is displayed in real time through a control panel.
The circulating water pipeline 316 in the power chamber 3 realizes the seawater fluctuation process under the action of the PLC of the control chamber 5. After the equipment starts to operate, the first electromagnetic valve 305 and the fourth electromagnetic valve 314 are powered on, the third electromagnetic valve 313 and the second electromagnetic valve 306 are powered off and closed, the water pump 310 is powered on to operate, and seawater is conveyed into the corrosion tank 204. When the seawater level in the corrosion tank 204 is lower than the low level of the first liquid level sensor assembly 214, the flow rate of the speed regulating valve 309 is regulated to be maximum, so that the seawater in the corrosion tank 204 quickly reaches the low level position of the first liquid level sensor assembly 214, and at the moment, the metal sample is completely immersed in the seawater. After the seawater in the corrosion tank 204 reaches the low level of the first liquid level sensor assembly 214, the flow of the speed regulating valve 309 is reduced, and the process of tide rising is simulated. The rising tide time is set by a tester through a control panel, and the flow of the speed regulating valve 309 is adjusted according to the set rising tide time. When the seawater in the corrosion tank 204 reaches the high tide level in the tidal range, i.e. the high level of the first liquid level sensor assembly 214 in the corrosion tank 204, the third solenoid valve 313 and the second solenoid valve 306 are electrically connected, the first solenoid valve 305 and the fourth solenoid valve 314 are electrically disconnected and closed, and the seawater starts to be conveyed from the corrosion tank 204 to the water tank 401, i.e. the falling tide process is simulated. The falling tide time is set by a tester through a control panel, and the flow of the speed regulating valve 309 is adjusted according to the set falling tide time. The above process is repeated, and the simulation of the sea water tidal range zone can be realized.
In summary, the invention provides a marine multi-zone corrosion simulation device, which can simulate metal corrosion including a marine atmospheric zone, a splash zone, a tidal range zone, a full immersion zone and a sea mud zone. The device can simulate the metal corrosion of any single zone and can also simulate the corrosion of long metal under the coupling action of multiple zones. The invention can also research the influence of infrared rays/ultraviolet rays on the aging and corrosion of the coating sample. The invention simulates the process of sea water rising tide and falling tide by controlling the flow and the direction of the sea water in the circulating water pipeline 316 in the power chamber 3, and simulates spray splash by generating bubbles in the water through the bubble pipe 210, thereby having high simulation degree and good test result.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (6)
1. An accelerated test device for simulating corrosion in a marine multi-zone, comprising: the device comprises a box body (1), wherein a test chamber (2), a power chamber (3), a corrosive solution chamber (4) and a control chamber (5) are arranged in the box body (1); the testing chamber (2) is arranged on the right side of the box body (1), the power chamber (3) is arranged on the lower portion of the left side of the box body (1), the corrosive solution chamber (4) is arranged in the middle of the left side of the box body (1), the control chamber (5) is positioned on the upper portion of the left side of the box body (1), and a partition plate is arranged among the testing chamber (2), the power chamber (3), the corrosive solution chamber (4) and the control chamber (5);
a temperature and humidity sensor (201), an exhaust fan (202), a heating plate (203) and a corrosion box (204) are arranged in the test chamber (2); the temperature and humidity sensor (201) is arranged on the top surface in the test chamber (2), the exhaust fan (202) and the heating plate (203) are arranged on the inner wall of the test chamber (2), and the output directions of the exhaust fan (202) and the heating plate (203) respectively correspond to the corrosion box (204); the corrosion box (204) is fixedly connected with the box body (1) through a fixing piece;
a sample hanging frame (205) is arranged in the corrosion box (204), a transverse support rod (206) is arranged at the top of the sample hanging frame (205), a plurality of upper support rods (207) are erected in the transverse support rods (206), the upper support rods (207) penetrate through the tops of a plurality of fixing rods (209), a plurality of lower support rods (208) penetrate through the bottoms of the fixing rods (209), pit grooves are formed in the fixing rods (209), bubble tubes (210) are connected between the fixing rods (209), the bubble tubes (210) are connected with an air pump (211), and a pressure gauge (212) is arranged between the bubble tubes (210) and the air pump (211); the inner wall of the corrosion box (204) is provided with a temperature sensor (213) and a first liquid level sensor combination (214); one side of the corrosion box (204) is communicated with one end of a circulating water pipeline (316) of the power chamber (3),
(316) the other end of the corrosion chamber (204) is communicated with a water tank (401) of the corrosion solution chamber (4), and the corrosion chamber (204) is communicated with a sea mud groove (403) of the corrosion solution chamber (4) through a sea mud slideway (404);
a circulating water pipeline (316) of the power chamber (3) is provided with an input pipe (301), one end of the input pipe (301) is communicated with a water tank (401), the other end of the input pipe (301) is connected with a first tee joint (302), the first tee joint (302) is respectively communicated with a second tee joint (303) and a first elbow (304) through a pipeline, a first electromagnetic valve (305) is arranged between the first tee joint (302) and the second tee joint (303), and a second electromagnetic valve (306) is arranged between the first tee joint (302) and the first elbow (304) through a pipeline; one end of the second tee joint (303) and the first elbow (304) are respectively communicated with two ends of the third tee joint (307) through pipelines, and a filter valve (308), a speed regulating valve (309) and a water pump (310) are arranged between the second tee joint (303) and the third tee joint (307); the other end of the second tee joint (303) is communicated with a second elbow (311) through a pipeline; the other ends of the second elbow (311) and the third tee joint (307) are respectively communicated with a fourth tee joint (312) through pipelines, a third electromagnetic valve (313) is arranged between the second elbow (311) and the fourth tee joint (312), and a fourth electromagnetic valve (314) is arranged between the third tee joint (307) and the fourth tee joint (312); the fourth tee joint (312) is communicated with the corrosion box (204) through an output pipe (315);
a water tank (401) is arranged in the corrosive solution chamber (4), a second liquid level sensor assembly (402) is arranged on the inner wall of the water tank (401), and a sea mud groove (403) is formed in the water tank (401); the water tank (401) is fixedly connected with the tank body (1) through a fixing piece;
a PLC controller is arranged in the control cavity (5), the PLC controller is electrically connected with the relay, the A/D converter, the D/A converter, the frequency converter, the control panel and the buzzer, and the temperature and humidity sensor (201), the temperature sensor (213), the first liquid level sensor combination (214) and the second liquid level sensor combination (402) are respectively and electrically connected with the input end of the PLC controller; the exhaust fan (202), the heating plate (203), the air pump (211), the first electromagnetic valve (305), the second electromagnetic valve (306), the third electromagnetic valve (313), the fourth electromagnetic valve (314), the filter valve (308), the speed regulating valve (309) and the water pump (310) are respectively electrically connected with the output end of the PLC.
2. An accelerated test rig for simulating marine multi-zone corrosion according to claim 1, characterized in that the top surface inside the test chamber (2) is provided with an array of red and ultraviolet lamps (215), and the array of red and ultraviolet lamps (215) is electrically connected with the output end of the PLC controller.
3. The device for simulating the marine multi-zone corrosion accelerated test according to claim 2, characterized in that a nozzle (216) is arranged on the inner wall of the test chamber (2), the nozzle (216) is connected with a water tank (401) of the power chamber (3), and an atomizing pump (217) is arranged between the nozzle (216) and the water tank (401).
4. An accelerated test unit for simulating marine multi-zone corrosion according to claim 3, characterized in that the inner wall of the corrosion tank (204) is provided with a first level gauge and the inner wall of the corrosion solution chamber (4) is provided with a second level gauge.
5. An accelerated test unit for simulating multi-zonal corrosion in the sea according to claim 4, characterized in that the corrosion tank (204), the water tank (401) are provided with drain valves (218), and the corrosion tank (204) is provided with a drain valve (219).
6. An accelerated test apparatus for simulating corrosion in multiple zones of the ocean according to claim 5, wherein the bottom of the box body (1) is provided with moving wheels (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010071353.6A CN111157439B (en) | 2020-01-21 | 2020-01-21 | Accelerated test device for simulating marine multi-zone corrosion |
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| CN202010071353.6A CN111157439B (en) | 2020-01-21 | 2020-01-21 | Accelerated test device for simulating marine multi-zone corrosion |
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| CN111157439A true CN111157439A (en) | 2020-05-15 |
| CN111157439B CN111157439B (en) | 2024-06-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088613A (en) * | 2021-10-22 | 2022-02-25 | 武汉科思特仪器股份有限公司 | Tidal environment metal corrosion monitoring device and testing method |
| CN114264566A (en) * | 2021-12-27 | 2022-04-01 | 广东省科学院工业分析检测中心 | Pipeline erosion corrosion test method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482482A (en) * | 2009-02-04 | 2009-07-15 | 北京科技大学 | Marine corrosion simulated acceleration test apparatus |
| CN102175595A (en) * | 2011-03-21 | 2011-09-07 | 中国人民解放军装甲兵工程学院 | Test method for lossless monitoring and detection for material accelerated corrosion under simulated marine environment |
| CN209559727U (en) * | 2019-01-25 | 2019-10-29 | 广东海洋大学 | A kind of acceleration test apparatus of simulation ocean tidal range corrosion |
| CN211978643U (en) * | 2020-01-21 | 2020-11-20 | 广东海洋大学 | Accelerated test device for simulating ocean multi-zone corrosion |
-
2020
- 2020-01-21 CN CN202010071353.6A patent/CN111157439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482482A (en) * | 2009-02-04 | 2009-07-15 | 北京科技大学 | Marine corrosion simulated acceleration test apparatus |
| CN102175595A (en) * | 2011-03-21 | 2011-09-07 | 中国人民解放军装甲兵工程学院 | Test method for lossless monitoring and detection for material accelerated corrosion under simulated marine environment |
| CN209559727U (en) * | 2019-01-25 | 2019-10-29 | 广东海洋大学 | A kind of acceleration test apparatus of simulation ocean tidal range corrosion |
| CN211978643U (en) * | 2020-01-21 | 2020-11-20 | 广东海洋大学 | Accelerated test device for simulating ocean multi-zone corrosion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088613A (en) * | 2021-10-22 | 2022-02-25 | 武汉科思特仪器股份有限公司 | Tidal environment metal corrosion monitoring device and testing method |
| CN114264566A (en) * | 2021-12-27 | 2022-04-01 | 广东省科学院工业分析检测中心 | Pipeline erosion corrosion test method and device |
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| CN111157439B (en) | 2024-06-21 |
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