CN206848141U - A kind of electrochemical corrosion test device - Google Patents

Abstract

The utility model discloses an electrochemical corrosion test device, which relates to the technical field of electrochemical corrosion. The front sides of the first reaction chamber, the second reaction chamber and the third reaction chamber are all provided with a timer and a transparent observation plate. The first reaction chamber, the second reaction chamber and the third reaction chamber are all separated by an isolation plate, and electrolyte through holes are arranged on the isolation plate, and the bottoms of the first reaction chamber, the second reaction chamber and the third reaction chamber are all Platinum electrode plates are provided. The device is provided with a first reaction chamber, a second reaction chamber and a third reaction chamber, and the upper ends of the first reaction chamber, the second reaction chamber and the third reaction chamber are provided with corresponding sample holes and sample sleeves, Cylindrical samples of different materials can be fixed, and timers are set on the front side of the first reaction chamber, the second reaction chamber and the third reaction chamber, which is convenient for testing multiple groups of cylindrical samples at the same time, and each group of cylindrical The reaction time and corrosion depth of the sample can be recorded more accurately.

Description

An electrochemical corrosion test device

technical field

The utility model relates to an electrochemical corrosion test device, which belongs to the technical field of electrochemical corrosion.

Background technique

Electrochemical corrosion refers to the damage caused by the electrochemical reaction between the metal surface and the ion-conducting medium. During the reaction, a current is generated, such as the corrosion of metals in seawater, soil, and acid, alkali, and salt solutions. , In the research of metals, it is necessary to conduct electrochemical corrosion tests on metals. In the electrochemical corrosion tests, including the polarization curve test, impedance test and corrosion surface observation of the test metal, it is an important indicator for detecting the corrosion resistance of metals and coatings. and means, the current traditional electrochemical corrosion test process is too complicated, it is necessary to weld copper wire on the surface of the sample for conduction, and to connect with the working electrode in the three-electrode system of the electrochemical experiment. Coating sealant around, and the height of the exposed corrosion surface of the metal sample in the corrosive solution is not easy to control, which increases the difficulty of the electrochemical corrosion test.

Utility model content

In view of the above problems, the technical problem to be solved by the utility model is to provide an electrochemical corrosion test device.

The utility model relates to an electrochemical corrosion test device, which includes a device main body, a sample support frame, a sample sleeve, a cylindrical sample, a sample hole, a sample record card, a timer, a transparent observation plate, a first Reaction chamber, second reaction chamber, third reaction chamber, isolation plate, electrolyte through hole and platinum electrode plate, the upper side of the main body of the device is provided with a sample support frame, and the upper side wall of the sample support frame is provided with a plurality of test pieces. A sample sleeve, a cylindrical sample is arranged in the sample sleeve, a sample hole is arranged at the lower end of the cylindrical sample, and the lower end of the cylindrical sample is located in the sample hole, and the sample hole is located on the upper side wall of the device main body , the front side of the sample hole is provided with a sample record board, the front side wall of the main body of the device is provided with a plurality of timers, the lower side of the timer is provided with a transparent observation plate, and the first reaction chamber is arranged inside the main body of the device , the second reaction chamber and the third reaction chamber, and the front side of the first reaction chamber, the second reaction chamber and the third reaction chamber are provided with a timer and a transparent observation plate, the first reaction chamber, the second reaction chamber and the The third reaction chambers are separated by isolation plates, and the isolation plates are provided with electrolyte through holes, and the bottoms of the first reaction chamber, the second reaction chamber and the third reaction chamber are all provided with platinum electrode plates.

As a preference, a scale comparison plate is provided on the rear side of the sample support frame, and the setting of the scale comparison plate can facilitate the comparison of the corrosion depth between the cylindrical samples, making the test results more convincing.

Preferably, the sample sleeve is made of rubber material. The sample sleeve made of rubber material has better elasticity and greater friction on the inner wall, which is convenient for fixing and adjusting the cylindrical sample.

Preferably, an elastic washer is arranged inside the sample hole, and the arrangement of the elastic washer can improve the sealing performance between the cylindrical sample and the sample hole.

Preferably, the lower end of the platinum electrode plate is provided with a graphite rod, and the arrangement of the graphite rod can facilitate the external connection of the platinum electrode plate.

Beneficial effects of the utility model: the device is provided with a first reaction chamber, a second reaction chamber and a third reaction chamber, and the upper ends of the first reaction chamber, the second reaction chamber and the third reaction chamber are all provided with corresponding samples Holes and sample sleeves can fix cylindrical samples of different materials, and there are timers on the front of the first reaction chamber, the second reaction chamber and the third reaction chamber, when the cylindrical samples in the reaction chamber are electrically charged During the chemical corrosion reaction, the timer can be used to record the reaction time, which is convenient for testing multiple groups of cylindrical samples at the same time, and the reaction time and corrosion depth of each group of cylindrical samples can be recorded more accurately, so that the test results more convincing.

Description of drawings

For ease of illustration, the utility model is described in detail by the following specific implementation and accompanying drawings.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the device main body of the present invention.

1-device main body; 2-sample support frame; 3-sample sleeve; 4-cylindrical sample; 5-sample hole; 6-sample record board; 7-timer; 8-transparent observation board; 9-first reaction chamber; 10-second reaction chamber; 11-third reaction chamber; 12-separation plate; 13-electrolyte through hole; 14-platinum electrode plate.

detailed description

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

As shown in Figures 1 and 2, this specific embodiment adopts the following technical scheme: it includes a device main body 1, a sample support frame 2, a sample sleeve 3, a cylindrical sample 4, a sample hole 5, and a sample record Plate 6, timer 7, transparent observation plate 8, first reaction chamber 9, second reaction chamber 10, third reaction chamber 11, isolation plate 12, electrolyte through hole 13 and platinum electrode plate 14, said device main body 1 A sample support frame 2 is arranged on the upper side, and a plurality of sample sleeves 3 are arranged on the upper side wall of the sample support frame 2. A cylindrical sample 4 is arranged in the sample sleeve 3, and a cylindrical sample 4 is arranged at the lower end of the cylindrical sample 4. Sample hole 5, and the lower end of the cylindrical sample 4 is located in the sample hole 5, the sample hole 5 is located on the upper side wall of the device main body 1, and the front side of the sample hole 5 is provided with a sample record card 6, so The front side wall of the device main body 1 is provided with a plurality of timers 7, the lower side of the timer 7 is provided with a transparent observation plate 8, and the inside of the device main body 1 is provided with a first reaction chamber 9, a second reaction chamber 10 and a third reaction chamber. chamber 11, and the front side of the first reaction chamber 9, the second reaction chamber 10 and the third reaction chamber 11 are provided with a timer 7 and a transparent observation plate 8, the first reaction chamber 9, the second reaction chamber 10 and the first reaction chamber 10 The three reaction chambers 11 are all isolated by an isolation plate 12, and the isolation plate 12 is provided with an electrolyte through hole 13, and the bottoms of the first reaction chamber 9, the second reaction chamber 10 and the third reaction chamber 11 are all provided with platinum Electrode plate 14.

Wherein, the rear side of the sample support frame 2 is provided with a scale comparison plate, and the setting of the scale comparison plate can facilitate the comparison of the corrosion depth between each cylindrical sample 4, making the test results more convincing; The sample sleeve 3 described above is made of rubber material, and the sample sleeve 3 made of rubber material has better elasticity, and the friction force of the inner wall is larger, which is convenient for fixing and adjusting the cylindrical sample 4; The inner side of the sample hole 5 is provided with an elastic washer, and the setting of the elastic washer can improve the sealing performance between the cylindrical sample 4 and the sample hole 5; the lower end of the platinum electrode plate 14 is provided with a graphite rod, and the setting of the graphite rod The external connection of the platinum electrode plate 14 can be facilitated.

When the utility model is in use, an appropriate amount of electrolyte is first added to the first reaction chamber 9, the second reaction chamber 10 and the third reaction chamber 11 in the device main body 1, and then one or more groups of cylinders are placed according to the needs of the test. The cylindrical sample 4 is fixed in the sample sleeve 3 respectively, and the lower end of the cylindrical sample 4 passes through the sample hole 5 and is immersed in the electrolyte in the first reaction chamber 9, the second reaction chamber 10 or the third reaction chamber 11. Inside, the height of the upper end of the cylindrical sample 4 can be manually adjusted to control the immersion depth of the lower end of the cylindrical sample 4, and the reaction time can be recorded by the timer 7 when the cylindrical sample 4 is immersed in the electrolyte for electrochemical corrosion reaction Time, since the first reaction chamber 9, the second reaction chamber 10 and the third reaction chamber 11 front sides are all provided with a timer 7, so the reaction times in different reaction chambers can be recorded respectively by each timer 7, each group of cylindrical The reaction time and corrosion depth of sample 4 can be recorded more accurately.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A kind of 1. electrochemical corrosion test device, it is characterised in that：It includes apparatus main body (1), sample support frame (2), sample It is sleeve (3), cylindrical sample (4), sample aperture (5), sample registration plate (6), timer (7), transparent observing plate (8), first anti- Answer room (9), the second reative cell (10), the 3rd reative cell (11), division board (12), electrolysis fluid through-hole (13) and platinum electrode plate (14) sample support frame (2), is provided with the upside of described device main body (1), sample support frame (2) upper side wall is provided with multiple samples Sleeve (3), sample sleeve (3) is interior to be provided with cylindrical sample (4), and cylindrical sample (4) lower end is provided with sample aperture (5), and Cylindrical sample (4) lower end is located in sample aperture (5), and the sample aperture (5) is located at apparatus main body (1) upper side wall, the sample Sample registration plate (6) is provided with front side of hole (5), described device main body (1) front side wall is provided with multiple timers (7), timer (7) downside is provided with transparent observing plate (8), and described device main body (1) is internally provided with the first reative cell (9), the second reative cell (10) and the 3rd reative cell (11), and on front side of the first reative cell (9), the second reative cell (10) and the 3rd reative cell (11) it is respectively provided with Have a timer (7) and transparent observing plate (8), first reative cell (9), the second reative cell (10) and the 3rd reative cell (11) it Between by division board (12) isolate, and be provided with division board (12) electrolysis fluid through-hole (13), first reative cell (9), Second reative cell (10) and the 3rd reative cell (11) bottom are provided with platinum electrode plate (14).
2. A kind of 2. electrochemical corrosion test device according to claim 1, it is characterised in that：Described sample support frame (2) rear side is provided with scale and compares plate.
3. A kind of 3. electrochemical corrosion test device according to claim 1, it is characterised in that：Described sample sleeve (3) It is made up of elastomeric material.
4. A kind of 4. electrochemical corrosion test device according to claim 1, it is characterised in that：In described sample aperture (5) Side is provided with elastic washer.
5. A kind of 5. electrochemical corrosion test device according to claim 1, it is characterised in that：Described platinum electrode plate (14) Lower end is provided with graphite rod.