Chemical plant corrosion monitoring apparatus and method of use thereof

Abstract

This invention relates to the field of chemical technology, and in particular to a corrosion monitoring device for chemical equipment and its usage method. It solves the problem that existing corrosion monitoring devices often use fixed supports or single-size clamps to install sensors, lacking a flexible adjustment mechanism for sensor position, angle, and contact pressure. The chemical equipment corrosion monitoring device and its usage method include a frame with a support frame slidably connected to one side of the frame. A hydraulic cylinder is fixedly connected to the inner side of the support frame via bolts. A load-bearing frame is provided on one side of the support frame, and a support plate is fixedly connected to the top side of the load-bearing frame. This invention completely overcomes the limitations of traditional fixed supports, which are used for one machine at a time and have difficult contact conditions. It truly achieves multi-purpose functionality, immediate testing upon stopping, and non-destructive installation, significantly improving the coverage and data reliability of corrosion monitoring, and also significantly reducing manual debugging time and maintenance costs.

Description

Technical Field

[0001] This invention relates to the field of chemical technology, and in particular to a corrosion monitoring device for chemical equipment and its usage method. Background Technology

[0002] Corrosion monitoring equipment for chemical equipment is a specialized instrument used to detect the degree of corrosion on the inner or outer walls of metal equipment such as chemical pipelines, reactors, and storage tanks in real time or periodically. It is widely used in industries such as petrochemicals, fine chemicals, pharmaceuticals, and fertilizers. Its core principle is typically based on electrochemical sensing (such as linear polarized resistance spectroscopy (LPR) and electrochemical impedance spectroscopy (EIS), ultrasonic thickness measurement, resistance probes, or hydrogen probes. Through sensors, it acquires key parameters such as corrosion rate, remaining wall thickness, or localized corrosion status, providing data support for equipment life assessment, preventative maintenance, and safe production. Because chemical production environments are generally characterized by high temperatures, high pressures, and highly corrosive media (such as acids, alkalis, salts, and sulfides), equipment corrosion often exhibits insidious, sudden, and locally accelerated characteristics. If not detected and intervened in a timely manner, it can easily lead to major safety accidents such as leaks, explosions, or environmental pollution. Therefore, corrosion monitoring equipment for chemical equipment occupies an important position in the chemical safety production management system. As a key technical means for predictive maintenance and risk early warning, the sensor's fit accuracy, installation adaptability, and monitoring coverage have a decisive impact on equipment operational safety, the scientific nature of maintenance decisions, and the effectiveness of accident prevention.

[0003] Existing corrosion monitoring devices mostly use fixed brackets or single-size clamps to install sensors, lacking flexible adjustment mechanisms for sensor position, angle, and contact pressure. When monitoring different equipment, the sensors cannot fit tightly against the equipment surface, leading to measurement signal distortion or decreased sensitivity. This directly reduces corrosion monitoring efficiency, increases operational complexity, and fails to meet the specific needs of modern chemical enterprises for highly adaptable, high-precision, non-destructive, and intelligent online monitoring. Therefore, we urgently need an innovative corrosion monitoring device for chemical equipment and its usage method. Summary of the Invention

[0004] The purpose of this invention is to provide a corrosion monitoring device for chemical equipment and its usage method, which solves the problem that existing corrosion monitoring devices mostly use fixed brackets or single-size clamps to install sensors, lacking a flexible adjustment mechanism for the sensor position, angle and contact pressure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A corrosion monitoring device for chemical equipment and its method of use include a frame. A support frame is slidably connected to one side of the frame, and a hydraulic cylinder is bolted to the inner side of the support frame. A load-bearing frame is provided on one side of the support frame, and a support plate is fixedly connected to the top side of the load-bearing frame. The output shaft of the hydraulic cylinder passes through the side wall of the support frame and is fixedly connected to one side of the support plate. Fixing plates are fixedly connected to both sides of the top of the load-bearing frame, and connecting plates are provided on opposite sides of the two fixing plates. Sensor plates are fixedly connected to opposite sides of the two connecting plates. Cylinders are bolted to the opposite sides of the two fixing plates. The output shafts of the two cylinders pass through the two fixed plates respectively, and the output shafts of the two cylinders are fixedly connected to one side of the two connecting plates respectively. A display panel is installed on one side of the outer wall of the support frame. A fixed frame is fixedly connected to one side of the frame, and a drive motor is fixedly connected to the top side of the fixed frame by bolts. A screw is rotatably connected to the inner side of the fixed frame. The top end of the screw passes through the top of the fixed frame and is connected to the output shaft of the drive motor. A nut seat is screwed onto one end of the screw, and one side of the support frame is fixedly connected to one side of the nut seat. Wheels are fixedly connected to the four corners at the bottom of the frame.

[0006] Preferably, the bottom of the support frame is provided with a base plate, and the top two sides of the base plate are fixedly connected with telescopic rods, and the top ends of the two telescopic rods are fixedly connected to the bottom of the support frame, and the bottom two sides of the base plate are slidably connected to the bottom of the inner side of the frame.

[0007] Preferably, sliding blocks are fixedly connected to both sides of the bottom of the base plate, and the two sliding blocks are slidably connected to the inner bottom of the frame through sliding grooves.

[0008] Preferably, a sliding rod is fixedly connected to one side of the inner side of the load-bearing frame, and a sliding sleeve is fitted on both ends of the two sliding rods, and one side of the two sliding sleeves is fixedly connected to one side of the two connecting plates respectively.

[0009] Preferably, sliders are fixedly connected to both sides of the support frame, and both sliders are slidably connected to the side wall of the frame through a sliding groove. One side of each slider is fixedly connected to the side wall of the nut seat. The bottom end of the screw is rotatably connected to the bottom of the inner side of the fixed frame through a rotating shaft, and the top end of the screw passes through the top end of the fixed frame through a bearing sleeve.

[0010] Preferably, the following steps are included: S1. Preparation stage: Move the frame and its components to the side of the device to be tested, and move the two sensor plates 9 away from each other. S2. Adjustment stage: Adjust the vertical and horizontal positions of the two sensor plates according to the specifications of the equipment to be monitored. S3. During the usage phase, the sensor plates on the support frame and the load-bearing frame are moved up and down by the screw and nut seat, and then the two sensor plates are made to fit the position that the equipment needs to monitor by the two cylinders. S4. During the monitoring phase, the sensor board is continuously attached to the location of the device to be monitored, and the monitoring data is read through the display panel. S5. After monitoring is completed, connect the two sensor boards to the equipment to be monitored.

[0011] This invention has at least the following beneficial effects: In this invention, the drive motor, in conjunction with the screw and nut seat, enables stepless vertical adjustment of the sensor, adapting to pipes or containers of different heights. A hydraulic cylinder pushes the support frame horizontally, allowing the sensor to accurately reach the equipment surface across insulation layers or obstacles, avoiding energy waste and construction risks associated with removing insulation structures. Dual-sided cylinders synchronously drive the sensor plates to press against each other, ensuring uniform and stable pressure adhesion even on elbows, reducers, or spherical containers, significantly improving the acquisition quality of electrochemical or ultrasonic signals. Wheels provide high mobility, facilitating rapid relocation in complex plant areas. The display panel provides real-time data feedback, supporting immediate judgment and decision-making. The entire structure completely overcomes the limitations of traditional fixed supports that are single-use and difficult to apply, truly achieving multi-purpose functionality, immediate measurement upon stopping, and non-destructive installation. It not only significantly improves the coverage and data reliability of corrosion monitoring but also significantly reduces manual debugging time and maintenance costs. It effectively meets the comprehensive needs of modern chemical enterprises for highly adaptable, high-precision, non-invasive, and intelligent online monitoring, providing solid and reliable technical support for preventing equipment failure, ensuring safe production, and extending the operating cycle of the equipment. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall main structure of the present invention; Figure 2 This is a side view of the structure of the present invention; Figure 3 This is a top view of the structure of the present invention; Figure 4 This is a schematic diagram of the support plate and its structure of the present invention; Figure 5 This is a schematic diagram of the fixing frame and its structure according to the present invention.

[0014] In the diagram: 1. Frame; 2. Support frame; 3. Slider; 4. Slide groove; 5. Support plate; 6. Bearing frame; 7. Fixing plate; 8. Connecting plate; 9. Sensor plate; 10. Base plate; 11. Telescopic rod; 12. Sliding block; 13. Sliding groove; 14. Wheel; 15. Drive motor; 16. Fixing frame; 17. Display panel; 18. Screw; 19. Nut seat; 20. Hydraulic cylinder; 21. Slide rod; 22. Slide sleeve; 23. Cylinder. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0016] Example 1 Reference Figure 1-5 The system includes a frame 1, with a support frame 2 slidably connected to one side of the frame 1. A hydraulic cylinder 20 is bolted to the inner side of the support frame 2. A load-bearing frame 6 is provided on one side of the support frame 2, and a support plate 5 is fixedly connected to the top side of the support frame 6. The output shaft of the hydraulic cylinder 20 passes through the side wall of the support frame 2 and is fixedly connected to one side of the support plate 5. Fixing plates 7 are fixedly connected to both sides of the top of the load-bearing frame 6. A connecting plate 8 is provided on the opposite side of the two fixing plates 7, and a sensor plate 9 is fixedly connected to the opposite side of the two connecting plates 8. A cylinder 23 is bolted to the opposite side of the two fixing plates 7, and the output shafts of the two cylinders 23 pass through the two... A fixed plate 7 is provided, and the output shafts of the two cylinders 23 are respectively fixedly connected to one side of the two connecting plates 8. A display panel 17 is installed on one side of the outer wall of the support frame 2. A fixed frame 16 is fixedly connected to one side of the frame 1, and a drive motor 15 is fixedly connected to the top side of the fixed frame 16 by bolts. A screw 18 is rotatably connected to the inner side of the fixed frame 16, wherein the top end of the screw 18 passes through the top of the fixed frame 16 and is connected to the output shaft of the drive motor 15. A nut seat 19 is threadedly connected to one end of the screw 18, and one side of the support frame 2 is fixedly connected to one side of the nut seat 19. Wheels 14 are fixedly connected to the four corners of the bottom of the frame 1.

[0017] First, the entire machine is flexibly moved to the vicinity of the chemical equipment to be monitored using the wheels 14 fixed at the four corners of the bottom of the frame 1. Then, according to the height position of the equipment being measured, the drive motor 15, which is bolted to one side of the top of the fixed frame 16, is started. Its output shaft drives the screw 18, which passes through the top of the fixed frame 16 and is rotatably connected to it, to rotate. The screw 18 drives the nut seat 19 to move vertically through the thread engagement. Since the nut seat 19 is fixedly connected to one side of the support frame 2, it drives the entire support frame 2 and its internal components to slide inside the frame 1 to achieve vertical height adjustment, so that the bearing frame 6 and the sensor plate 9 above it are aligned with the target monitoring area. Next, the hydraulic cylinder 20, which is bolted to the inside of the support frame 2, is started. Its output shaft passes through the side wall of the support frame 2 and pushes the bearing frame 6, which is fixedly connected to the support plate 5, to extend horizontally, so that the two sensor plates 9 are moved to the equipment being measured. On both sides; then, two cylinders 23, which are bolted to the outside of the fixed plate 7, are activated. Their output shafts pass through the two fixed plates 7 respectively and push the sensor plates 9, which are fixedly connected to the connecting plate 8, to move towards each other until the two sensor plates 9 are tightly attached to the outer surface of the equipment being tested, ensuring that the sensor probes are in full contact with the metal wall to obtain accurate signals. During the entire adjustment process, the operator can view the data such as corrosion rate, wall thickness change or electrochemical parameters collected by the sensor in real time through the display panel 17 installed on one side of the outer wall of the support frame 2, and fine-tune the contact pressure or position according to the feedback. After the monitoring is completed, the cylinders 23, hydraulic cylinders 20 and drive motors 15 are retracted in sequence to reset the equipment, and then the equipment is moved to the next monitoring point by the wheels 14. The whole process does not require disassembling the insulation layer or custom clamps. It can be quickly adapted to chemical equipment of different diameters, heights or shapes by only three-way linkage adjustment.

[0018] Example 2 Reference Figure 1-2 The bottom of the support frame 6 is provided with a base plate 10, and telescopic rods 11 are fixedly connected to the top two sides of the base plate 10. The top ends of the two telescopic rods 11 are fixedly connected to the bottom of the support frame 6. The bottom two sides of the base plate 10 are slidably connected to the bottom of the inner side of the frame 1. When the hydraulic cylinder 20 pushes the support frame 6 to extend horizontally, the base plate 10 moves down and slides along the bottom of the frame 1. The telescopic rods 11 are simultaneously compressed or stretched to maintain structural stability. During the horizontal movement of the support frame 6, it provides vertical buffer support, prevents it from sagging or shaking due to gravity, and improves the bonding accuracy of the sensor plate 9 and the overall structural rigidity.

[0019] Example 3 Reference Figure 1-2Sliding blocks 12 are fixedly connected to both sides of the bottom of the base plate 10, and the two sliding blocks 12 are slidably connected to the inner bottom of the frame 1 through the sliding groove 13. When the base plate 10 moves back and forth under the drive of the hydraulic cylinder 20, the sliding blocks 12 slide smoothly along the sliding groove 13, accurately guide the base plate 10, limit it to only make linear movements, and avoid swaying or jamming, thereby ensuring the stability of the horizontal displacement of the bearing frame 6 and the sensor plate 9 and the effect of repeatability positioning accuracy.

[0020] Example 4 Reference Figure 1-2 A sliding rod 21 is fixedly connected to one side of the inner side of the support frame 6, and a sliding sleeve 22 is fitted on both ends of the two sliding rods 21. One side of the two sliding sleeves 22 is fixedly connected to one side of the two connecting plates 8 respectively. When the cylinder 23 pushes the connecting plate 8 to move the sensor plate 9 towards each other, the sliding sleeve 22 slides along the sliding rod 21 to provide guidance, so as to ensure that the two sensor plates 9 remain parallel during the clamping process, prevent tilting or twisting, and improve the uniformity of the fit and the consistency of the measurement.

[0021] Example 5 Reference Figure 1-5 Both sides of the support frame 2 are fixedly connected to sliders 3, and both sliders 3 are slidably connected to the side wall of the frame 1 through the slide groove 4. One side of each slider 3 is fixedly connected to the side wall of the nut seat 19. The bottom end of the screw 18 is rotatably connected to the bottom inner side of the fixed frame 16 through the rotating shaft, and the top end of the screw 18 passes through the top end of the fixed frame 16 through the bearing sleeve. The drive motor 15 drives the screw 18 to rotate, and the nut seat 19 moves up and down and drives the sliders 3 to slide synchronously along the slide groove 4, so as to realize the vertical lifting and lowering of the support frame 2. This achieves the effect of providing high rigidity guidance on both sides of the support frame 2, preventing it from shaking or tilting during the lifting and lowering process. At the same time, the two ends of the screw 18 are supported by the rotating shaft and the bearing sleeve, ensuring smooth transmission, reducing wear, improving the height adjustment accuracy and long-term operational reliability.

[0022] Example 6 Reference Figure 1-5 It includes the following steps: S1. Preparation stage: Move the frame 1 and its components to the side of the device to be tested, and move the two sensor plates 9 away from each other. S2. Adjustment stage: Adjust the vertical and horizontal positions of the two sensor plates 9 according to the specifications of the equipment to be monitored. S3. During the usage phase, the screw 18 and nut seat 19 are used to move the sensor plate 9 on the support frame 2 and the bearing frame 6 up and down, and the two cylinders 23 are used to make the two sensor plates 9 fit the position that the equipment needs to monitor. S4. During the monitoring phase, the sensor board 9 is continuously attached to the location of the device to be monitored, and the monitoring data is read through the display panel 17. S5. After monitoring is completed, connect the two sensor boards to the equipment to be monitored according to principle 9.

[0023] During the preparation phase, the mobile device is moved and the sensor plate 9 is separated. During the adjustment phase, the sensor position is adjusted according to the device specifications. During the usage phase, the height is adjusted by screw 18 and nut seat 19, and the fit is controlled by cylinder 23. During the monitoring phase, the data on the display panel 17 is continuously read. After the monitoring is completed, the sensor plate 9 is separated and the device is positioned, three-dimensionally adjusted, fitted and monitored, and reset and removed in sequence according to the standardized operating procedure. This achieves the standardized operation effect of standardizing the operating procedure, reducing the risk of human error, improving monitoring efficiency and data repeatability, and facilitating training and promotion.

[0024] In summary: First, the entire machine is flexibly moved to the vicinity of the chemical equipment to be monitored using the wheels 14 fixed at the four corners of the bottom of the frame 1, entering the preparation stage. The two sensor plates 9 are then separated using cylinder 23. Next, the adjustment stage begins. Based on the height and lateral position of the equipment being measured, the drive motor 15, bolted to one side of the top of the fixed frame 16, is started. Its output shaft drives the screw 18, which passes through the top of the fixed frame 16 and is supported by a bearing sleeve, to rotate. The bottom end of the screw 18 is rotatably connected to the inner bottom of the fixed frame 16 via a rotating shaft, forming a stable double-support structure. The screw 18 drives the nut seat 19 vertically through threaded engagement. Moving in the straight direction, since the nut seat 19 is fixedly connected to one side of the support frame 2, and the sliders 3 fixed on both sides of the support frame 2 slide and guide synchronously along the sliding grooves 4 on the side wall of the frame 1, the entire support frame 2 and its internal components are smoothly raised and lowered, achieving precise height alignment of the sensor plate 9; then, the hydraulic cylinder 20, which is fixed to the inside of the support frame 2 by bolts, is activated, and its output shaft passes through the side wall of the support frame 2 and pushes the bearing frame 6, which is fixedly connected to the support plate 5, to extend horizontally. At this time, the bottom plate 10 set at the bottom of the bearing frame 6 moves down accordingly, and the sliding blocks 12 fixed on both sides of its bottom slide linearly along the sliding grooves 13 at the bottom of the inner side of the frame 1, ensuring... To ensure horizontal movement without swaying, the telescopic rods 11 fixed on both sides of the top of the base plate 10 are simultaneously compressed to provide vertical buffer support, preventing the load-bearing frame 6 from sagging due to its own weight. After the load-bearing frame 6 moves to both sides of the device under test, it enters the usage stage. Two cylinders 23, which are bolted to the outside of the fixed plate 7, are activated. Their output shafts pass through the fixed plate 7 and push the connecting plate 8 to move towards each other. Meanwhile, the sliding sleeve 22 fixed on one side of the connecting plate 8 slides along the sliding rod 21 fixed on the inside of the load-bearing frame 6 to guide it, ensuring that the two sensor plates 9 always remain parallel and evenly attached to the outer surface of the device. After the attachment is completed, the monitoring stage begins, and the sensor plates 9 continuously collect corrosion data. Data such as rate, wall thickness, or electrochemical parameters are displayed in real time on a display panel 17 installed on one side of the outer wall of the support frame 2. Operators can fine-tune the bonding pressure or position based on the data feedback. After monitoring is completed, the device enters the reset stage. The cylinder 23 is retracted to separate the sensor plate 9, the hydraulic cylinder 20 retracts to reset the bearing frame 6, and the drive motor 15 reverses to lower the support frame 2. Finally, the device is moved to the next monitoring point by the wheels 14. The entire process does not require the removal of the insulation layer or the customization of clamps. It can be quickly adapted to chemical equipment with different diameters, heights, or curved shapes by only adjusting the height, horizontal extension and retraction, and bidirectional clamping.The slider 3 and slide groove 4 work together to ensure smooth and stable lifting of the support frame 2 without shaking. The screw 18 is supported at both ends by a rotating shaft and bearing sleeve, significantly improving transmission accuracy and lifespan. The base plate 10, together with the sliding block 12 and sliding groove 13, provides precise guidance for the horizontal movement of the load-bearing frame 6. The telescopic rod 11 provides vertical buffering to prevent structural deformation. The slide rod 21 and sliding sleeve 22 ensure that the sensor plate 9 remains strictly parallel during clamping, avoiding poor contact or measurement deviation due to tilting. The wheel body 14 gives the equipment high mobility, suitable for rapid relocation in complex factory areas. The standardized five-step operation process regulates work behavior and reduces human error. This system addresses risks and enhances monitoring consistency and repeatability. The display panel 17 supports real-time data reading and feedback adjustment on-site. The overall structure completely solves the industry pain points of traditional fixed monitoring devices, such as one-to-one use, difficulty in fitting, and data distortion. It not only significantly improves the coverage and accuracy of corrosion monitoring but also significantly reduces insulation layer damage, shortens downtime, and lowers maintenance costs. It effectively meets the comprehensive needs of modern chemical enterprises for non-destructive, highly adaptable, highly reliable, and intelligent online monitoring, providing solid and reliable technical support for preventing equipment failure, ensuring safe production, and achieving predictive maintenance.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A corrosion monitoring device for chemical equipment, comprising a frame (1), characterized in that, A support frame (2) is slidably connected to one side of the inner side of the frame (1), and a hydraulic cylinder (20) is fixedly connected to the inner side of the support frame (2) by bolts. A bearing frame (6) is provided on one side of the support frame (2), and a support plate (5) is fixedly connected to the top side of the bearing frame (6). The output shaft of the hydraulic cylinder (20) passes through the side wall of the support frame (2) and is fixedly connected to one side of the support plate (5). Fixed plates (7) are fixedly connected to both sides of the top of the bearing frame (6), and a connecting plate (8) is provided on the opposite side of the two fixed plates (7). A sensor plate (9) is fixedly connected to the opposite side of the two connecting plates (8). A cylinder (23) is fixedly connected to the opposite side of the two fixed plates (7) by bolts, and the output shafts of the two cylinders (23) pass through the two fixed plates (7) respectively. The support frame (2) has a display panel (17) installed on one side of its outer wall. A fixed frame (16) is fixedly connected to one side of the frame (1). A drive motor (15) is fixedly connected to the top side of the fixed frame (16) by bolts. A screw (18) is rotatably connected to the inner side of the fixed frame (16). The top end of the screw (18) passes through the top of the fixed frame (16) and is connected to the output shaft of the drive motor (15). A nut seat (19) is screwed onto one end of the screw (18). A side of the support frame (2) is fixedly connected to one side of the nut seat (19). A wheel (14) is fixedly connected to the four corners at the bottom of the frame (1).

2. The corrosion monitoring device for chemical equipment according to claim 1, characterized in that, The bottom of the support frame (6) is provided with a base plate (10), and telescopic rods (11) are fixedly connected to the top two sides of the base plate (10). The top ends of the two telescopic rods (11) are fixedly connected to the bottom of the support frame (6), and the bottom two sides of the base plate (10) are slidably connected to the bottom of the inner side of the frame (1).

3. The corrosion monitoring device for chemical equipment according to claim 2, characterized in that, Both sides of the bottom of the base plate (10) are fixedly connected to sliding blocks (12), and both sliding blocks (12) are slidably connected to the bottom of the inner side of the frame (1) through sliding grooves (13).

4. The corrosion monitoring device for chemical equipment according to claim 1, characterized in that, A sliding rod (21) is fixedly connected to one side of the inner side of the bearing frame (6), and a sliding sleeve (22) is fitted on both ends of the two sliding rods (21), and one side of the two sliding sleeves (22) is fixedly connected to one side of the two connecting plates (8).

5. The corrosion monitoring device for chemical equipment according to claim 1, characterized in that, Both sides of the support frame (2) are fixedly connected to sliders (3), and both sliders (3) are slidably connected to the side wall of the frame (1) through the sliding groove (4). One side of each slider (3) is fixedly connected to the side wall of the nut seat (19). The bottom end of the screw (18) is rotatably connected to the bottom of the inner side of the fixed frame (16) through the rotating shaft, and the top end of the screw (18) passes through the top end of the fixed frame (16) through the bearing sleeve.

6. A method for using a corrosion monitoring device for chemical equipment, characterized in that, The method of use utilizes the chemical equipment corrosion monitoring device as described in claim 1 to monitor the corrosion of chemical equipment, and includes the following steps: S1. Preparation stage: Move the frame (1) and its components to the side of the device to be tested, and move the two sensor plates (9) away from each other. S2, Adjustment stage: Adjust the vertical and horizontal positions of the two sensor plates (9) according to the specifications of the equipment to be monitored; S3. During the usage phase, the sensor plates (9) on the support frame (2) and the bearing frame (6) are moved up and down by the screw (18) and the nut seat (19), and then the two sensor plates (9) are aligned with the position to be monitored by the equipment by the two cylinders (23). S4. During the monitoring phase, the sensor board (9) is continuously attached to the location of the device to be monitored, and the monitoring data is read through the display panel (17). S5. After monitoring is completed, place the two sensor boards (9) on the device to be monitored.

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