CN214703246U - Infiltration corrosion test system - Google Patents
Infiltration corrosion test system Download PDFInfo
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- CN214703246U CN214703246U CN202023090830.8U CN202023090830U CN214703246U CN 214703246 U CN214703246 U CN 214703246U CN 202023090830 U CN202023090830 U CN 202023090830U CN 214703246 U CN214703246 U CN 214703246U
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Abstract
The utility model provides an infiltration corrosion test system. The infiltration corrosion test system comprises a corrosion liquid tank and a circulating filter device, wherein the circulating filter device comprises a filter tank, a first circulating liquid pipe, a second circulating liquid pipe, a first circulating water pump and a second circulating water pump; the import and the filter-tank of second circulation liquid pipe are linked together, and the export and the corruption cistern of second circulation liquid pipe are linked together, and second circulating water pump installs on second circulation liquid pipe. The utility model provides an infiltration corrosion test system has effectively solved the experimental interference that the corrosive liquid composition changes and brings after taking place to corrode, has improved the precision of infiltration corrosion behavior evaluation.
Description
Technical Field
The utility model relates to an environmental corrosion test technical field especially relates to an infiltration corrosion test system.
Background
The periodic immersion corrosion test is a rapid test method for simulating semi-industrial marine atmospheric corrosion, and metal samples are alternately immersed in a liquid corrosion medium and exposed in air. The periodic infiltration corrosion test can simulate the tidal range corrosion and wave impact caused by the fluctuation of the tidal water, and the corrosion caused by the alternate states of intermittent rainfall, dewing and wetting and the rise and fall of the liquid level in the chemical equipment is frequently encountered in the atmosphere. The periodic infiltration corrosion test result is closely related to the frequency of dry-wet change, the temperature and the humidity of the environment, and the period of the dry-wet change, the temperature and the humidity of the environment are reasonably controlled.
At present, for periodic infiltration corrosion test, the national standard GB/T19746-2005 'periodic infiltration test of corrosive salt solution of metal and alloy' can be adopted, and the characterization of periodic infiltration corrosivity is obtained through the change of sample quality before and after corrosion. Periodic immersion corrosion tests are time consuming, where one sample is typically run for weeks or months, may span two seasons, and the test temperature difference may be as much as 30 degrees, and therefore are typically run in a closed test chamber. In the periodic infiltration corrosion test process, impurities in the sample can enter the corrosive liquid along with the occurrence of corrosion, and under the condition that the space of the corrosive liquid tank is limited, components in the corrosive liquid can be changed remarkably to influence the corrosion test.
SUMMERY OF THE UTILITY MODEL
The utility model provides an infiltration corrosion test system can solve the experimental interference that the corrosive liquid composition changes and brings after taking place to corrode, has improved the precision of infiltration corrosion behavior evaluation.
The utility model provides an infiltration corrosion test system, include:
an etching solution tank;
the circulating filter device comprises a filter tank, a first circulating liquid pipe, a second circulating liquid pipe, a first circulating water pump and a second circulating water pump, wherein an inlet of the first circulating liquid pipe is communicated with the corrosive liquid tank, an outlet of the first circulating liquid pipe is communicated with the filter tank, and the first circulating water pump is installed on the first circulating liquid pipe; the inlet of the second circulating liquid pipe is communicated with the filtering tank, the outlet of the second circulating liquid pipe is communicated with the corrosive liquid tank, and the second circulating water pump is installed on the second circulating liquid pipe.
According to the utility model provides an infiltration corrosion test system, the inside of corruption cistern is equipped with thermistor, the outside of corruption cistern is equipped with temperature controller, thermistor through first circuit with temperature controller connects.
According to the utility model provides an infiltration corrosion test system, the inside of corrosion cistern is equipped with liquid detection head, the outside of corrosion cistern is equipped with pH detector and ion concentration detector, liquid detection head through the second circuit with the pH detector is connected, liquid detection head through the third circuit with the ion concentration detector is connected; and an alarm is arranged on the pH detector.
According to the utility model provides an infiltration corrosion test system, still include the distilled water and add the device, the distilled water adds the device and includes that distilled water tank, distilled water add pipe and distilled water control valve, the distilled water add the both ends of pipe respectively with distilled water tank the corrosive liquid groove corresponds continuously, distilled water control valve sets up on the distilled water adds the pipe.
According to the utility model provides an infiltration corrosion test system, still include the corrosive liquid and add the device, the corrosive liquid adds the device and adds pipe and corrosive liquid control valve including corrosive liquid case, corrosive liquid, the corrosive liquid add the both ends of pipe respectively with the corrosive liquid case the corrosive liquid tank corresponds continuously, the corrosive liquid control valve sets up on the corrosive liquid adds the pipe.
According to the utility model provides an infiltration corrosion test system, still include sample elevating gear, sample elevating gear includes sample frame and drive the sample frame carries out elevating movement's actuating mechanism, actuating mechanism pass through the support mounting in the top of corruption cistern, be equipped with a plurality of sample anchor clamps on the sample frame, each sample anchor clamps respectively with the sample frame can be dismantled ann and connect.
According to the utility model provides an infiltration corrosion test system, the support comprises a vertically arranged supporting part and a horizontally arranged connecting part, one end of the supporting part is connected with the corrosion liquid tank, the other end of the supporting part is connected with the connecting part, and the connecting part is positioned above the corrosion liquid tank; the driving mechanism comprises a driving motor, a screw rod and a lifting nut, the driving motor is installed on the connecting portion, the connecting portion is provided with a through hole for the screw rod to pass through, one end of the screw rod is connected with the driving motor, the other end of the screw rod passes through the through hole and is connected with the lifting nut, and the lifting nut is connected with the sample frame.
According to the utility model provides an infiltration corrosion test system, still include the proof box, the proof box set up in the outside of corrosion liquid groove.
According to the utility model provides an infiltration corrosion test system, the top inside wall of proof box is equipped with humidifier, temperature and humidity sensor and adjustable infrared stoving lamp respectively, the top lateral wall of proof box is equipped with the display screen.
According to the utility model provides an infiltration corrosion test system, still be equipped with centrifugal fan air intake and centrifugal fan air outlet on the lateral wall of proof box, the centrifugal fan air intake is located the lateral wall top of proof box, the centrifugal fan air outlet is located the lateral wall bottom of proof box, just the centrifugal fan air intake with the centrifugal fan air outlet set up respectively in the relative both sides of proof box.
The utility model provides an infiltration corrosion test system, including corrosion cistern and circulating filter, this circulating filter includes filter tank, first circulation liquid pipe, second circulation liquid pipe, first circulating water pump and second circulating water pump, with the import and the corrosion cistern of first circulation liquid pipe being linked together, with the export and the filter tank of first circulation liquid pipe being linked together, install first circulating water pump on first circulation liquid pipe, with the import and the filter tank of second circulation liquid pipe being linked together, with the export and the corrosion cistern of second circulation liquid pipe being linked together, install second circulating water pump on second circulation liquid pipe; the infiltration corrosion test system is characterized in that a first circulating water pump and a second circulating water pump are respectively started in the corrosion test process, under the action of the first circulating water pump, the corrosion liquid in a corrosion liquid tank is introduced into a filter tank through a first circulating liquid pipe and is subjected to filtering treatment, under the action of the second circulating water pump, the corrosion liquid subjected to filtering treatment in the filter tank is introduced into the corrosion liquid tank through a second circulating liquid pipe, so that the circulation flow of the corrosion liquid can be kept, corrosion and falling products of a sample can be filtered, the test interference caused by the change of the components of the corrosion liquid after corrosion is effectively solved, and the accuracy of the infiltration corrosion performance evaluation is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an immersion corrosion test system provided by the present invention;
fig. 2 is an installation schematic diagram of the middle sample lifting device of the present invention.
Reference numerals:
1: an etching solution tank; 2: a filter tank; 3: a first circulating liquid pipe;
4: a second circulating liquid pipe; 5: a first circulating water pump; 6: a second circulating water pump;
7: a thermistor; 8: a temperature controller; 9: a liquid detection head;
10: a pH detector; 11: an ion concentration detector; 12: an alarm;
13: a distilled water tank; 14: a distilled water addition pipe; 15: a distilled water control valve;
16: a corrosive liquid tank; 17: a corrosive liquid addition pipe; 18: a corrosive liquid control valve;
19: a sample holder; 20: a support; 201: a support portion;
202: a connecting portion; 21: a sample clamp; 22: a sample;
23: a drive motor; 24: a screw rod; 25: a test chamber;
26: a humidifier; 27: a temperature and humidity sensor; 28: an adjustable infrared baking lamp;
29: a display screen; 30: an air inlet of the centrifugal fan; 31: and an air outlet of the centrifugal fan.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
An embodiment of the present invention for an immersion corrosion test system is described below with reference to fig. 1 and 2.
The utility model discloses infiltration corrosion test system, including corrosion cistern 1 and circulating filter device, wherein circulating filter device includes filter tank 2, first circulation liquid pipe 3, second circulation liquid pipe 4, first circulating water pump 5 and second circulating water pump 6, and the import and the corrosion cistern of first circulation liquid pipe 3 are linked together, and the export and the filter tank 2 of first circulation liquid pipe 3 are linked together, and first circulating water pump 5 is installed on first circulation liquid pipe 3. The inlet of the second circulating liquid pipe 4 is communicated with the filter tank 2, the outlet of the second circulating liquid pipe 4 is communicated with the corrosion liquid tank 1, and the second circulating water pump 6 is arranged on the second circulating liquid pipe 4.
In the corrosion test process, the first circulating water pump 5 and the second circulating water pump 6 are respectively started, under the action of the first circulating water pump 5, the corrosive liquid in the corrosive liquid tank 1 can be introduced into the filter tank 2 through the first circulating liquid pipe 3 and is subjected to filtering treatment, under the action of the second circulating water pump 6, the corrosive liquid after the filtering treatment in the filter tank 2 can be introduced into the corrosive liquid tank 1 through the second circulating liquid pipe 4, namely, the circulating filtering treatment of the corrosive liquid in the corrosive liquid tank 1 is realized by arranging a circulating filtering device.
Therefore, the utility model discloses infiltration corrosion test system not only can keep corrosive liquid circulation flow in the test process, can filter the sample moreover and corrode the result that drops to effectively solved the experimental interference that the corrosive liquid composition changes and brings after taking place to corrode, improved the precision of infiltration corrosion behavior evaluation.
Specifically, the first circulating water pump 5 and the second circulating water pump 6 both adopt adjustable water pumps, that is, the flow rates of the first circulating water pump 5 and the second circulating water pump 6 are adjustable, and then the circulating flow filtration speed of the corrosive liquid is adjusted. Also, by adjusting the flow rates of the first and second circulating water pumps 5 and 6 to be large, the erosion effect can be simulated.
Specifically, the filter tank 2 may be mounted above the etching solution tank 1 via a bracket 20. Of course, the filter tank 2 may be directly attached to the tank wall of the etching solution tank 1, or the filter tank 2 may be attached to the outside of the etching solution tank 1.
In some embodiments of the present invention, the inside of the etching solution tank 1 is provided with the thermistor 7, the outside of the etching solution tank 1 is provided with the temperature controller 8, and the thermistor 7 is connected with the temperature controller 8 through the first circuit. Wherein, the thermistor 7 is arranged at the bottom of the corrosive liquid tank 1. That is, not only can the corrosive liquid in the corrosive liquid tank 1 be heated by the thermistor 7, but also the real-time temperature of the corrosive liquid in the corrosive liquid tank 1 can be detected, and the heating temperature of the thermistor 7 can be adjusted by the temperature controller 8, so that the purpose of controlling the temperature of the corrosive liquid is achieved.
In some embodiments of the utility model, the inside of corrosion cistern 1 is equipped with liquid and detects head 9, and the outside of corrosion cistern 1 is equipped with pH detector 10 and ion concentration detector 11, and liquid detects head 9 and is connected with pH detector 10 through the second circuit, and liquid detects head 9 and is connected with ion concentration detector 11 through the third circuit. Wherein, the liquid detection head 9 is arranged at the bottom of the corrosive liquid tank 1. That is, the pH detector 10 can monitor the pH value of the etching liquid in the etching liquid tank 1 in real time through the liquid detection head 9, and the ion concentration detector 11 can monitor the ion concentration of the etching liquid in the etching liquid tank 1 in real time through the liquid detection head 9.
Specifically, the pH detector 10 is provided with an alarm 12. That is, the pH value monitored by the pH meter 10 can control the operating state of the alarm 12. When the pH value of the corrosive liquid in the corrosive liquid tank 1 reaches a preset pH threshold value, the alarm 12 starts to give an alarm, and at the moment, the situation shows that the corrosive liquid in the corrosive liquid tank 1 should be replaced.
In some embodiments of the utility model, this system still includes the distilled water and adds the device, and the distilled water adds the device and includes distilled water tank 13, distilled water and adds pipe 14 and distilled water control valve 15, and distilled water adds the both ends of pipe 14 and corresponds continuously with distilled water tank 13, corruption cistern 1 respectively, and distilled water control valve 15 sets up on distilled water adds pipe 14. That is, distilled water in the distilled water tank 13 can be added to the etching liquid tank 1 through the distilled water addition pipe 14, and the state of addition of distilled water in the distilled water addition pipe 14 can be controlled by the distilled water control valve 15.
The utility model discloses an in some embodiments, this system still includes that the corrosive liquid adds the device, and the corrosive liquid adds the device and adds pipe 17 and corrosive liquid control valve 18 including corrosive liquid case 16, corrosive liquid, and the corrosive liquid adds the both ends of pipe 17 and corresponds with corrosive liquid case 16, corrosive liquid groove 1 respectively and links to each other, and corrosive liquid control valve 18 sets up on corrosive liquid adds pipe 17. That is, the etching liquid in the etching liquid tank 16 can be added to the etching liquid tank 1 through the etching liquid addition pipe 17, and the state of addition of the etching liquid in the etching liquid addition pipe 17 can be controlled by the etching liquid control valve 18.
In some embodiments of the present invention, the system further comprises a main controller (not shown) connected to the temperature controller 8, the pH detector 10, the ion concentration detector 11, the alarm 12, the distilled water control valve 15, and the corrosive liquid control valve 18, respectively.
In the process of carrying out the corrosion test, the ion concentration detector 11 sends the ion concentration monitored in real time to the main controller, and when the ion concentration is higher than a first preset value, the main controller controls the distilled water control valve 15 to be opened, so that distilled water is automatically added into the corrosion liquid tank 1; when the ion concentration is lower than a second predetermined value, the main controller controls the etching liquid control valve 18 to open, thereby automatically adding the etching liquid to the etching liquid tank 1. The pH detector 10 sends the pH value monitored in real time to the main controller, and when the pH value reaches a preset pH threshold value, the main controller controls the alarm 12 to alarm, which indicates that the corrosive liquid in the corrosive liquid tank 1 should be replaced. Further, the temperature controller 8 can be controlled by the main controller so that the heating temperature of the thermistor 7 is controlled by the temperature controller 8 so that the temperature of the etching liquid in the etching liquid tank 1 is kept constant.
In some embodiments of the present invention, the system further includes a sample lifting device, the sample lifting device includes a sample rack 19 and a driving mechanism for driving the sample rack 19 to move up and down, the driving mechanism is installed above the etching solution tank 1 through a support 20, a plurality of sample clamps 21 are disposed on the sample rack 19, and each sample clamp 21 is detachably connected to the sample rack 19. The sample clamp 21 is used for clamping and fixing the sample 22, the sample rack 19 can be driven to move up and down through the driving mechanism, and then the sample clamp 21 drives the sample 22 to move up and down, so that the sample 22 is soaked in the corrosive liquid tank 1.
Specifically, the inlet of the first liquid circulation pipe 3 and the outlet of the second liquid circulation pipe 4 are both parallel to the upper surface of the sample 22, so that the influence of liquid scouring on the corrosion test is reduced by using the laminar flow effect.
Specifically, the support 20 includes a support portion 201 vertically disposed and a connection portion 202 horizontally disposed, a lower end of the support portion 201 is connected to a tank wall of the etching solution tank 1, an upper end of the support portion 201 is connected to the connection portion 202, and the connection portion 202 is located above the etching solution tank 1.
In this embodiment, the driving mechanism includes a driving motor 23, a screw 24 and a lifting nut (not shown), wherein the driving motor 23 is mounted on a connecting portion 202 of the bracket 20, the connecting portion 202 is provided with a through hole for the screw 24 to pass through, the screw 24 is rotatably fitted with the through hole, the upper end of the screw 24 is connected with the driving motor 23, the other end of the screw 24 passes through the through hole to be connected with the lifting nut, and the lifting nut is connected with the sample holder 19. That is, the driving motor 23 can drive the screw rod 24 to rotate, and the lifting nut drives the sample holder 19 to move up and down along the screw rod 24.
It should be understood that the form of the driving mechanism is not limited to the above type, and an air cylinder, an oil cylinder, an electro-hydraulic push rod, etc. may be adopted according to the actual use requirement, as long as the sample rack 19 can be driven to perform the lifting motion.
In some embodiments of the present invention, the system further comprises a test box 25, the test box 25 is disposed outside the corrosion liquid tank 1, and the environmental conditions of the corrosion test are conveniently controlled through the test box 25.
Specifically, the top inside wall of test box 25 is equipped with humidifier 26, temperature and humidity sensor 27 and adjustable infrared lamp 28 respectively, and the top outside wall of test box 25 is equipped with display screen 29. That is, can control the inside ambient humidity of proof box 25 through humidifier 26, can control the inside ambient temperature of proof box 25 through adjustable infrared lamp 28 that dries by the fire, can real-time supervision proof box 25 inside ambient temperature and humidity through temperature and humidity sensor 27. That is, through the regulation control to ambient temperature and ambient temperature, can effectively reduce the test interference that ambient temperature change and ambient temperature change brought.
Wherein, humidifier 26, temperature and humidity sensor 27, adjustable infrared stoving lamp 28 and display screen 29 are connected with main control unit respectively, promptly, can control humidifier 26, temperature and humidity sensor 27 and adjustable infrared stoving lamp 28's operating condition respectively through main control unit, can show each item monitoring data that acquire through display screen 29.
Specifically, the side wall of the test box 25 is further provided with a centrifugal fan air inlet 30 and a centrifugal fan air outlet 31, wherein the centrifugal fan is respectively installed at the centrifugal fan air inlet 30 and the centrifugal fan air outlet 31. The centrifugal fan air inlet 30 is located at the top of the side wall of the test box 25, the centrifugal fan air outlet 31 is located at the bottom of the side wall of the test box 25, and the centrifugal fan air inlet 30 and the centrifugal fan air outlet 31 are respectively arranged on two opposite side walls of the test box 25. That is, by providing the centrifugal fan air inlet 30 and the centrifugal fan air outlet 31, the inside of the test chamber 25 can be ventilated and adjusted.
When carrying out corrosion test, through temperature controller 8, pH detector 10, ion concentration detector 11 and circulating filter device's setting, can ensure the stability of corrosive liquids quality in the whole testing process, through humidifier 26, temperature and humidity sensor 27, adjustable infrared lamp 28, centrifugal fan air intake 30 and the setting of centrifugal fan air outlet 31 of drying by fire, can ensure the stability of experimental environment, and then show the fluctuation that has reduced test condition, ensure the precision of test.
The utility model discloses infiltration corrosion test system's working process as follows:
1) a sample 22 for an immersion corrosion test is prepared, surface treatment and size thereof are performed according to the national standard GB/T19746-2005 "periodic immersion test of corrosive salt solutions of metals and alloys", and the mass of the sample 22 before corrosion is measured and recorded.
2) And preparing a corrosive liquid, a corrosive liquid supplementing liquid and a cleaning liquid, setting the environmental temperature and the environmental humidity in the test box 25, setting the temperature of the corrosive liquid, and simultaneously setting the pH value alarm threshold value of the corrosive liquid, the ion concentration threshold value of the corrosive liquid and the circulating liquid flow rate of the circulating filter device.
3) A plurality of samples 22 for immersion corrosion test are mounted on the sample holders 21 of the sample rack 19.
4) According to the test requirements of the sample 22, the interval time between the rise and the fall (corresponding to the sample soaking time and the sample drying time, respectively) is set for the driving motor 23.
5) The prepared etching solution is poured into the etching solution tank 1 so that the liquid level of the etching solution is higher than that of each sample 22.
6) The temperature controller 8, the pH detector 10, the ion concentration detector 11, the circulating filter device, the humidifier 26, the adjustable infrared drying lamp 28, the temperature and humidity sensor 27 and the centrifugal fan are respectively started to work, and then the driving motor 23 is started to start the test.
7) And (3) after the test is finished, closing the equipment, respectively taking down each sample 22, soaking the sample in cleaning liquid, heating and stirring the sample in a water bath until corrosion products are cleaned, cleaning the sample by using alcohol, drying the sample by blowing, weighing the corroded mass of the sample 22, recording the mass, and analyzing the test result.
8) And treating the corrosive liquid in the corrosive liquid tank 1 and cleaning the equipment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. An immersion corrosion test system, comprising:
an etching solution tank;
the circulating filter device comprises a filter tank, a first circulating liquid pipe, a second circulating liquid pipe, a first circulating water pump and a second circulating water pump, wherein an inlet of the first circulating liquid pipe is communicated with the corrosive liquid tank, an outlet of the first circulating liquid pipe is communicated with the filter tank, and the first circulating water pump is installed on the first circulating liquid pipe; an inlet of the second circulating liquid pipe is communicated with the filtering tank, an outlet of the second circulating liquid pipe is communicated with the corrosive liquid tank, and the second circulating water pump is installed on the second circulating liquid pipe;
a liquid detection head is arranged inside the corrosion liquid tank, a pH detector and an ion concentration detector are arranged outside the corrosion liquid tank, the liquid detection head is connected with the pH detector through a second line, and the liquid detection head is connected with the ion concentration detector through a third line; and an alarm is arranged on the pH detector.
2. The immersion corrosion test system of claim 1, wherein a thermistor is disposed inside the etching solution tank, a temperature controller is disposed outside the etching solution tank, and the thermistor is connected to the temperature controller through a first line.
3. The immersion corrosion test system according to claim 1, further comprising a distilled water adding device, wherein the distilled water adding device comprises a distilled water tank, a distilled water adding pipe and a distilled water control valve, two ends of the distilled water adding pipe are respectively and correspondingly connected with the distilled water tank and the corrosion liquid tank, and the distilled water control valve is arranged on the distilled water adding pipe.
4. The immersion corrosion test system according to claim 1, further comprising a corrosion liquid adding device, wherein the corrosion liquid adding device comprises a corrosion liquid tank, a corrosion liquid adding pipe and a corrosion liquid control valve, two ends of the corrosion liquid adding pipe are correspondingly connected with the corrosion liquid tank and the corrosion liquid tank respectively, and the corrosion liquid control valve is arranged on the corrosion liquid adding pipe.
5. The infiltration corrosion test system of any one of claims 1 to 4, further comprising a sample lifting device, wherein the sample lifting device comprises a sample rack and a driving mechanism for driving the sample rack to perform lifting movement, the driving mechanism is mounted above the etching solution tank through a bracket, the sample rack is provided with a plurality of sample clamps, and each sample clamp is detachably connected with the sample rack.
6. The immersion corrosion test system of claim 5, wherein the bracket comprises a vertically disposed support portion and a horizontally disposed connection portion, one end of the support portion is connected to the etching solution tank, the other end of the support portion is connected to the connection portion, and the connection portion is located above the etching solution tank; the driving mechanism comprises a driving motor, a screw rod and a lifting nut, the driving motor is installed on the connecting portion, the connecting portion is provided with a through hole for the screw rod to pass through, one end of the screw rod is connected with the driving motor, the other end of the screw rod passes through the through hole and is connected with the lifting nut, and the lifting nut is connected with the sample frame.
7. The immersion corrosion test system of any one of claims 1 to 4, further comprising a test chamber disposed outside the etching solution bath.
8. The infiltration corrosion test system of claim 7, wherein the top inside wall of the test chamber is provided with a humidifier, a temperature and humidity sensor and an adjustable infrared baking lamp, and the top outside wall of the test chamber is provided with a display screen.
9. The immersion corrosion test system of claim 7, wherein a centrifugal fan air inlet and a centrifugal fan air outlet are further disposed on the side wall of the test chamber, the centrifugal fan air inlet is located at the top of the side wall of the test chamber, the centrifugal fan air outlet is located at the bottom of the side wall of the test chamber, and the centrifugal fan air inlet and the centrifugal fan air outlet are respectively disposed on opposite sides of the test chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090830.8U CN214703246U (en) | 2020-12-18 | 2020-12-18 | Infiltration corrosion test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090830.8U CN214703246U (en) | 2020-12-18 | 2020-12-18 | Infiltration corrosion test system |
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| CN214703246U true CN214703246U (en) | 2021-11-12 |
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