Multifunctional multi-medium corrosion testing device

Abstract

The utility model discloses a multifunctional multi-medium corrosion testing device, which belongs to the technical field of marine environment simulation devices, and comprises a testing box, a testing workbench, a spray generating device and a control console, and a nozzle communicated with the inside of the spray generating device is arranged on the inner wall of the testing box. The spray generation device comprises a medium solution tank and a fresh water storage tank, the medium solution tank generates spray through a nozzle and sprays a test sample in the test box, and a side water pumping device and a top water pumping device are arranged in the fresh water storage tank; the top of the test workbench is provided with a shower nozzle, and the top water pumping device is connected with the shower nozzle. And a mounting frame which is used for placing a test sample and has an adjustable overturning angle is arranged below the shower nozzle. According to the utility model, the turnover sample table is arranged, so that a sample can be subjected to continuous liquid spraying impact tests at different angles, and the fresh water storage tank and the water pumping device are arranged, so that the interior of the test box can be washed and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to marine environment simulation device technical field, concretely relates to a multifunctional multi -medium corrosion testing device. BACKGROUND

[0002] Salt spray testing is a method that uses salt spray test equipment to simulate artificial salt spray environmental conditions and test the corrosion resistance of products or metal materials. Salt spray test devices can evaluate the ability of materials and their protective layers to resist salt spray corrosion, compare the process quality of similar protective layers, and also evaluate the resistance of certain products to salt spray corrosion. This test method is widely used in salt spray corrosion testing of parts, electronic components, metal materials, protective layers, and industrial products.

[0003] According to different testing needs, salt spray testing can be divided into neutral salt spray testing, acid salt spray testing, and copper-accelerated acetic acid salt spray testing, among others. These test methods can be used to evaluate the corrosion resistance of materials and products in a salt spray environment, and appropriate test methods can be selected according to specific requirements.

[0004] In the prior art, a patent with publication number CN116359117A discloses a "new salt spray corrosion and monitoring test device", which includes a salt solution test box, a three-dimensional camera, a bubble generator, a salt solution storage tank, a salt solution tank, a control screen, and a main tank cover. The salt solution tank is arranged on the left side of the salt solution test box, and the salt solution storage tank is arranged behind the salt solution test box. The bubble generator is installed on the right side of the salt solution test box, and the three-dimensional camera is arranged on the back side of the salt solution test box to periodically take pictures of the monitoring samples on the sample holder. The control screen is arranged on one side of the main tank cover arranged on the top of the salt solution test box.

[0005] The device in the above-mentioned patent performs indoor simulation of the corrosion environment and aging test of materials through salt spray testing. The spray angle is adjusted by a swing motor, but it cannot perform continuous liquid spraying and impact testing of samples at different angles, and it lacks a cleaning function for the inside of the test box. UTILITY MODEL CONTENT

[0006] The utility model aims to solve the deficiencies of the salt spray test device in the prior art and proposes a multifunctional multi-medium corrosion testing device. By setting a reversible sample table, the sample can perform continuous liquid spraying and impact testing at different angles. By setting a freshwater storage tank and a water pumping device, the inside of the test box can be flushed and cleaned.

[0007] To achieve the above-mentioned utility model purposes, the technical solution of the utility model is as follows:

[0008] The utility model provides a multifunctional multi-medium corrosion testing device, which comprises a testing box, a testing workbench arranged in the testing box, a spray generating device and a control console arranged outside the testing box, characterized in that a nozzle is arranged on the inner wall of the testing box near the spray generating device, the nozzle is in communication with the inside of the spray generating device, the spray generating device comprises a medium solution tank and a fresh water storage tank, the medium solution tank generates spray through the nozzle and sprays the testing sample in the testing box, the fresh water storage tank is provided with a side water pumping device and a top water pumping device, the side water pumping device is connected with the nozzle, a shower nozzle is arranged on the top of the testing workbench, the top water pumping device is connected with the shower nozzle, an installation frame for placing the testing sample is arranged below the shower nozzle on the testing workbench, and the turning angle of the installation frame around the horizontal line is adjustable.

[0009] Further, the testing box is provided with a temperature control device, the temperature control device comprises a second heater, a temperature and humidity sensor and a cooling device, the second heater, the temperature and humidity sensor and the cooling device are connected with the control console, and the control console performs real-time data monitoring and environment control on the corrosion testing process in the testing box.

[0010] Further, the medium solution tank is provided with a first heater and a micro pump, the first heater heats the medium solution, and the micro pump is connected with the nozzle to pump the heated medium solution to the nozzle to spray the testing sample in the testing box.

[0011] Further, the testing box is provided with a transparent openable cover, a sealing ring is arranged at the joint of the openable cover and the cover of the testing box body, and the inner side of the openable cover is inclined from the middle to the periphery to guide the condensed water vapor to the side of the openable cover.

[0012] Further, the testing box is provided with a spray collecting device for collecting spray and detecting the uniformity of the spray, and at least two spray collecting devices are arranged, which are arranged on the side close to the nozzle and the side far away from the nozzle respectively.

[0013] Further, the fresh water storage tank is provided with a drainage device, the testing box body is provided with a drainage hole, the drainage device is connected with the drainage hole to drain the excess water in the testing box, and the drainage device is connected with the control console to cooperate with the second heater and the cooling device to dry and cool the testing box.

[0014] Further, the testing workbench comprises a sample table, four guide columns are arranged on the sample table, a sliding plate is slidably connected to the four guide columns, and a fixing bolt for locking the position of the sliding plate is arranged on the guide column in a threaded connection mode.

[0015] Further, the shower nozzle is fixedly installed on the sliding plate, and the distance between the shower nozzle and the sample table is adjusted by adjusting the fixing bolt.

[0016] Further, the sample table top surface is provided with two telescopic supports respectively, the mounting frame is located between the two telescopic supports, and the mounting frame is rotationally connected to the two telescopic supports at two ends respectively.

[0017] Further, the inner side wall of the test box is provided with a push plate wave maker for generating wave disturbance, and the test box is provided with a pressure and flow rate detection device for detecting the pressure and flow rate in the test box.

[0018] The working principle of the utility model is as follows:

[0019] When the corrosion test is started, after the test sample is installed on the test workbench, the first heater in the medium solution tank works and heats the medium solution, and the micro pump pumps the heated medium solution to the nozzle to spray the test sample; meanwhile, the temperature control device in the test box works, and under the monitoring of the temperature and humidity sensor, the second heater and the cooling device control the temperature of the test box; meanwhile, the side water pumping device and the top water pumping device on the fresh water storage tank cooperate with the temperature and humidity sensor to control the humidity.

[0020] In summary, the utility model has the following advantages:

[0021] 1、 in the utility model, the fresh water storage tank is arranged in the spray generating device, the top water pumping device and the side water pumping device are arranged in the fresh water storage tank, the continuous liquid spray impact test of the measured sample can be met by opening the top water pumping device, and the test box can be flushed and cleaned by opening the side water pumping device and the top water pumping device and using the nozzle and the shower nozzle in the fresh water storage tank respectively.

[0022] 2、 in the utility model, the test sample installation workbench can be rotated, the sample can be tested at different angles and different surfaces, the shower nozzle with adjustable top height can be used for liquid spray impact test under different heights, pressures and flow rates;

[0023] 3、 the corrosion test device of the utility model is designed by the temperature and humidity sensor, the heater and the cooling device, and the corrosion test process in the test box is monitored and controlled in real time by the control console, so that the temperature and humidity environment in the test box can meet the salt spray and various medium corrosion test experiments;

[0024] 4、 in the utility model, the medium solution tank is arranged in the spray generating device, and the medium solution tank can store salt water, acid, alkali and other medium solutions, so as to meet the corrosion test under different medium conditions;

[0025] 5. The utility model discloses a medium solution tank is installed heater to the medium solution is heated to the inside of test box is introduced to the solution of the nozzle after heating, the heater is set up inside the test box, can carry out secondary heating to the spray of entering the test box, ensure the generation of solution fog;

[0026] 6. The utility model discloses a freshwater storage tank is installed drainage device, cooperates with the drainage hole of test box side edge, and the residual moisture of test box inside is drained, simultaneously, the drainage device also can cooperate second heater and cooling device and carry out drying and cooling to test box.

[0027] 7. The utility model discloses a test box is close to the position of nozzle and the position of nozzle far away in order to improve the test effect, and the spray collector plays the role of collecting spray and inspecting the uniformity of spray painting.

[0028] 8. The utility model discloses a test box side wall still is equipped with the push plate type wave generator for making wave disturbance, and test box still is equipped with pressure flow speed detection device of detecting pressure and flow speed for simulating the wave disturbance under real sea condition. ACCURACY

[0029] Figure 1 It is the overall structure schematic diagram of corrosion test device;

[0030] Figure 2 It is the internal structure schematic diagram of corrosion test device Figure 1 ;

[0031] Figure 3 It is the internal structure schematic diagram of corrosion test device Figure 2 ;

[0032] Figure 4 It is the structure schematic diagram of another angle of view of Figure 3 ;

[0033] Figure 5 It is the structure schematic diagram of test workbench;

[0034] In the drawing:

[0035] 1, test box; 2, spray generating device; 3, control console; 4, medium solution tank; 5, fresh water storage tank; 6, water injection port; 7, nozzle; 8, first heater; 9, micro pump; 10, switchable cover; 11, second heater; 12, temperature and humidity sensor; 13, cooling device; 14, test workbench; 15, spray collection device; 16, side water suction device; 17, top water suction device; 18, shower type nozzle; 19, sliding plate; 20, fixing bolt; 21, guide column; 22, drain hole; 23, drainage device; 24, telescopic support; 25, sample table; 26, push plate type wave generator; 27, test sample; 28, mounting frame; 29, pressure and flow rate detection device. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0038] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "vertical", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "arrangement", "installation", "connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected;It can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through intermediate medium, it can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0041] Embodiment 1

[0042] As the most basic embodiment of the utility model, the embodiment provides a kind of multifunctional multi-medium corrosion test device, as shown in Figure 1, including test box 1, test box 1 is provided with spray generating device 2 and control cabinet 3, test box 1 is provided with test workbench 14. Figure 1

[0043] In the embodiment, two spray generating devices 2 are provided, and the two spray generating devices 2 are arranged on the adjacent two sides of the test box 1, and can be used separately or simultaneously.

[0044] In the scheme, the inner wall of the test box 1 near the spray generating device 2 is provided with a nozzle 7, which is in communication with the inside of the spray generating device 2, and the height of the nozzle 7 matches the height of the test sample 27 in the test box 1.

[0045] As shown in Figure 2, the spray generating device 2 is provided with a separate medium solution tank 4 and a fresh water storage tank 5, and the top end of the medium solution tank 4 and the fresh water storage tank 5 is provided with a water inlet 6, and the consumed liquid in the medium solution tank 4 and the fresh water storage tank 5 can be supplemented through the water inlet 6. Figure 3

[0046] In the embodiment, the medium solution tank 4 can store brine, acid, alkali and other medium solutions to meet the corrosion test under different medium conditions. Further, the medium solution tank 4 is provided with a first heater 8 and a micro pump 9, and the micro pump 9 is connected with the nozzle 7. The first heater 8 preheats the medium solution in the medium solution tank 4, so that the spray is easier to generate, and the preheated medium solution is pumped to the nozzle 7 by the micro pump 9 to spray the test sample 27 in the test box 1.

[0047] ​​The freshwater storage tank 5 is equipped with a side pumping device 16 and a top pumping device 17, with the side pumping device 16 connected to a nozzle 7. A shower-type nozzle 18 is installed on the top of the test bench 14, and this nozzle 18 is connected to the top pumping device 17 inside the freshwater storage tank 5. The side pumping device 16 and the top pumping device 17 can respectively flush the inside of the test chamber 1 with freshwater from the freshwater storage tank 5 using the nozzle 7 and the shower-type nozzle 18, achieving cleaning and rinsing of the test chamber 1, while also meeting the requirements for continuous liquid spraying and impact testing of the test sample 27. In this embodiment, the side pumping device 16 and the top pumping device 17 can also be implemented using micro-pumps.

[0048] The test workbench 14 is positioned in the center of the test chamber 1. A mounting frame 28 for placing the test sample 27 is located on the test workbench 14, below the shower-type nozzle 18. The rotation angle of the mounting frame 28 around the horizontal line is adjustable. Specifically, in this embodiment, as... Figure 5 As shown, the test workbench 14 includes a sample stage 25, on which four guide posts 21 are provided. A slide plate 19 is slidably connected to the four guide posts 21. A fixing bolt 20 for locking the position of the slide plate 19 is provided on the guide posts 21 by threaded connection. A shower nozzle 18 is fixedly installed on the slide plate 19. The distance between the shower nozzle 18 and the sample stage 25 can be adjusted by adjusting the fixing bolt 20.

[0049] Furthermore, telescopic supports 24 are symmetrically arranged on both sides of the top of the sample stage 25, and a mounting frame 28 for placing the test sample 27 is provided between the two telescopic supports 24. The two ends of the mounting frame 28 are rotatably connected to the telescopic supports 24. By adjusting the angle of the mounting frame 28, continuous liquid spray impact tests on the sample at different angles can be achieved. In specific implementation, the rotation angle of the mounting frame 28 can be automatically controlled by a motor, or the adjusted mounting frame 28 can be fixed by the clamps on the top of the telescopic supports 24.

[0050] This invention, by setting up a test sample mounting platform with a rotating function, allows for multi-angle and multi-surface testing of samples. Combined with a shower-style nozzle with adjustable top height, it enables liquid impact tests at different heights, pressures, and flow rates. The adjustment of flow rate and pressure is based on existing technology and can be achieved using existing equipment, and will not be elaborated upon here.

[0051] Example 2

[0052] As a preferred embodiment of this utility model, based on Embodiment 1, this embodiment provides a multifunctional multi-media corrosion testing device with the following differences:

[0053] In the embodiment, the test box 1 is also provided with a temperature control device, which is connected with the control console 3, and the control console 3 can monitor the real-time data of the corrosion test process and control the environment.

[0054] Specifically, as shown in the figure, Figure 4 The temperature control device in the test box 1 includes a second heater 11, a temperature and humidity sensor 12, and a cooling device 13. The second heater 11 can heat when the temperature in the test box 1 is too low, the temperature and humidity sensor 12 can monitor the temperature and humidity in the test box 1 in real time, and the cooling device 13 can cool the test box 1 when the temperature is too high. When the temperature is low, the second heater 11 is started to heat the inside of the test box 1, so that the temperature in the corrosion test process is kept within a certain range. In the embodiment, the cooling device 13 can use a cooling fin, and the second heater 11 can use a heat pipe.

[0055] Further, the side water pumping device 16 and the top water pumping device 17 can also be connected with the control console 3 to cooperate with the temperature and humidity sensor 12 to automatically control the humidity.

[0056] Further, the test box 1 is provided with a switchable cover 10 at the top, which is preferably completely transparent to ensure the observability of the test process. The switchable cover 10 is provided with a sealing ring at the cover joint of the test box 1, so as to ensure the complete sealing of the test process. Preferably, the inner side of the top of the switchable cover 10 is inclined from the middle to the periphery, so that when the water vapor condenses on the inner side of the top of the switchable cover 10, it can flow down from both sides of the switchable cover 10.

[0057] The working principle of the utility model is as follows:

[0058] When the corrosion test is started, after the test sample 27 is installed on the test workbench 14, the first heater 8 in the medium solution tank 4 works and heats the medium solution, and the micro pump 9 pumps the heated medium solution to the nozzle 7 to spray the test sample 27. At the same time, the temperature control device in the test box 1 works, and under the monitoring of the temperature and humidity sensor 12, the second heater 11 and the cooling device 13 control the temperature of the inside of the test box 1. At the same time, the side water pumping device 16 on the fresh water storage tank 5 can cooperate with the temperature and humidity sensor to control the humidity.

[0059] When the corrosion test is finished, the top water pumping device 17 on the fresh water storage tank 5 is started, which can continuously spray and impact the test sample, or the top water pumping device 17 and the side water pumping device 16 can be started at the same time to flush the inside of the test box 1, so as to automatically clean the inside of the test box 1.

[0060] The corrosion testing device of the utility model, through humidity transducer, second heater and cooling device etc. Setting, cooperate the console to carry out real-time data monitoring and environmental control to the corrosion testing process in the test box, guarantee the temperature and humidity environment in the test box to satisfy the salt fog and various medium corrosion testing experiment.

[0061] Embodiment 3

[0062] As another preferred embodiment of the utility model, on the basis of embodiment 2, the embodiment provides a multifunctional multi-medium corrosion testing device, which is different from embodiment 2 in that:

[0063] The fresh water storage tank 5 is also provided with a drainage device 23, and the test box 1 is provided with a drainage hole 22, and the drainage device 23 is connected with the drainage hole 22. The residual moisture in the test box 1 can be discharged through the drainage hole 22 and the drainage device 23. Similarly, the drainage device 23 can also be connected to the console 3, and the second heater 11 and the cooling device 13 are used for drying and cooling the test box 1.

[0064] Embodiment 4

[0065] As another preferred embodiment of the utility model, the embodiment provides a multifunctional multi-medium corrosion testing device, which is different from any of the above embodiments in that:

[0066] As shown in Figure 2 In the embodiment, the test box 1 is provided with at least two spray collection devices 15, and the two spray collection devices 15 are respectively placed near the nozzle 7 and away from the nozzle 7, which play a role in collecting spray, and can be used for testing the uniformity of spray coating.

[0067] Embodiment 5

[0068] As another preferred embodiment of the utility model, the multifunctional multi-medium corrosion testing device provided by the embodiment is different from any of the above embodiments in that:

[0069] Further, the test box 1 is provided with a push plate wave maker 26 on the side wall for making wave disturbance, and the test box 1 is also provided with a pressure flow rate detection device 29. A certain height of water is injected into the test box 1, and the push plate wave maker 26 is used to simulate the wave disturbance under the real sea condition, and the pressure flow rate detection device 29 can detect the pressure and flow rate in the test box 1.

[0070] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change made according to the technical essence of the utility model to the above embodiment falls within the protection scope of the utility model.

Claims

1. A multifunctional multi-medium corrosion testing device, comprising a test box (1), a test workbench (14) is arranged in the test box (1), a spray generating device (2) and a control console (3) are arranged outside the test box (1), characterized in that, The test box (1) is provided with a nozzle (7) on the inner wall of the side close to the spray generating device (2), the nozzle (7) is communicated with the inside of the spray generating device (2); the spray generating device (2) comprises a medium solution tank (4) and a fresh water storage tank (5), the medium solution tank (4) generates spray through the nozzle (7) and sprays the test sample (27) in the test box (1), the fresh water storage tank (5) is provided with a side water pumping device (16) and a top water pumping device (17), the side water pumping device (16) is connected with the nozzle (7); a shower nozzle (18) is arranged on the top of the test workbench (14), the top water pumping device (17) is connected with the shower nozzle (18); a mounting frame (28) for placing the test sample (27) is arranged below the shower nozzle (18) on the test workbench (14), and the turning angle of the mounting frame (28) around the horizontal line is adjustable.

2. A multi-functional multi-medium corrosion testing device as claimed in claim 1, wherein, The test box (1) is provided with a temperature control device, the temperature control device comprises a second heater (11), a temperature and humidity sensor (12) and a cooling device (13), the second heater (11), the temperature and humidity sensor (12) and the cooling device (13) are connected with the control console (3), and the control console (3) performs real-time data monitoring and environment control on the corrosion test process in the test box (1).

3. A multi-functional multi-medium corrosion testing device as defined in claim 1, wherein, The medium solution tank (4) is provided with a first heater (8) and a micro pump (9), the first heater (8) heats the medium solution, and the micro pump (9) is connected with the nozzle (7) and pumps the heated medium solution to the nozzle (7) to spray the test sample (27) in the test box (1).

4. The multi-functional multi-medium corrosion testing device of claim 1, wherein, The test box (1) is provided with a transparent openable cover (10) on the top, a sealing ring is arranged at the cover joint of the test box (1), and the inner side of the openable cover (10) is inclined from the middle to the periphery to guide the condensed water vapor to the side of the openable cover (10).

5. The multi-functional multi-medium corrosion testing device of claim 1, wherein, The test box (1) is provided with a spray collecting device (15) for collecting spray and detecting the uniformity of the spray, and at least two spray collecting devices (15) are arranged on the side close to the nozzle (7) and the side far away from the nozzle (7) respectively.

6. A multi-functional multi-medium corrosion testing device as defined in claim 1, wherein, The fresh water storage tank (5) is provided with a drainage device (23), the test box (1) is provided with a drainage hole (22) on the side, the drainage device (23) is connected with the drainage hole (22), and the excess water in the test box (1) is drained; the drainage device (23) is connected with the control console (3), and the test box (1) can be dried and cooled in cooperation with the second heater (11) and the cooling device (13).

7. The multi-functional multi-medium corrosion testing device of claim 1, wherein, The test workbench (14) comprises a sample table (25), four guide columns (21) are arranged on the sample table (25), a sliding plate (19) is slidably connected to the guide columns (21), and a fixing bolt (20) for locking the position of the sliding plate (19) is arranged on the guide column (21) in a threaded connection mode.

8. A multi-functional multi-medium corrosion testing device as defined in claim 7, wherein, The shower nozzle (18) is fixedly installed on the sliding plate (19), and the distance between the shower nozzle (18) and the sample table (25) is adjusted by adjusting the fixing bolt (20).

9. A multi-functional multi-medium corrosion testing device as defined in claim 7, wherein, Two telescopic supports (24) are arranged on the top surface of the sample table (25) respectively, and the mounting frame (28) is located between the two telescopic supports (24), and the mounting frame (28) is rotationally connected to the two telescopic supports (24) at two ends respectively.

10. The multi-functional multi-medium corrosion testing device of claim 1, wherein, The inner side wall of the test box (1) is provided with a push plate wave maker (26) for generating wave disturbance, and the test box (1) is provided with a pressure and flow rate detection device (29) for detecting the pressure and flow rate in the test box.

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