Salt spray corrosion detection equipment for pressure gauge detection

Abstract

The invention discloses salt spray corrosion detection equipment for pressure gauge detection, and relates to the technical field of pressure gauge detection, the salt spray corrosion detection equipment comprises a collection box, an experiment box and a control cabinet, the outer side of the experiment box is fixedly connected with a servo motor and an air blower, and an auxiliary assembly used for rapid flow of airflow in the experiment box is jointly arranged between the servo motor and the experiment box; the collection box, the experiment box and the control cabinet are jointly and fixedly connected, a condensation chamber, a neutralization chamber and a collection chamber are arranged on the inner side of the collection box, a condensation pipe is fixedly connected to the inner side of the condensation chamber, and a water pump is fixedly connected to the outer side of the collection box. The condition that the surface corrosion degree of the pressure gauge is different is reduced, after an experiment is completed, discharging of residual salt mist in the experiment box is accelerated through matched use of the auxiliary assembly and the collecting box, and pollution caused by the salt mist and injury to experimenters are reduced through collection of the collecting box.

Description

Technical Field

[0001] The present invention relates to the technical field of pressure gauge detection, and particularly to a salt spray corrosion detection device for pressure gauge detection. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate a pressure higher than the ambient pressure. It is widely used in various industrial processes and scientific research fields, such as thermal pipelines, oil and gas transmission, water supply and gas supply systems, etc. The pressure gauge generates elastic deformation under the action of pressure through internal sensitive elements (such as Bourdon tubes, bellows, etc.). This deformation is transmitted to the pointer by the conversion mechanism of the movement, so as to indicate the measured pressure value on the scale. According to different measurement requirements and working environments, there are various types and specifications of pressure gauges available to meet various accuracy and corrosion resistance requirements.

[0003] The salt spray corrosion detection of a pressure gauge is an important quality control means to evaluate the corrosion resistance of the pressure gauge in a harsh environment. This detection accelerates the corrosion process by exposing the pressure gauge to an artificially simulated salt spray environment, and then observes and records the corrosion situation of the pressure gauge within a specific time period. This detection helps to discover potential defects of the pressure gauge, such as improper material selection, insufficient surface treatment or poor sealing performance, etc., so as to ensure the reliability and durability of the product. The results of salt spray corrosion detection are of great significance for improving the protection performance of the pressure gauge, extending its service life and meeting specific industry standards.

[0004] Most of the existing salt spray corrosion detection devices are salt spray erosion detection boxes. However, during the use of the above-mentioned devices, after each test is completed and the staff opens the box door, a large amount of salt spray will emerge. Since the salt spray is corrosive, if a large amount of salt spray comes into contact with the human body, it may cause harm to the skin and eyes. At the same time, the salt spray may also erode other devices or materials around the box door, resulting in equipment damage or performance degradation. At the same time, due to the relatively static air inside the salt spray test box, the salt spray particles may be unevenly distributed, resulting in inconsistent corrosion degrees on the surface of the pressure gauge, thus affecting the accuracy of the test results. Therefore, a salt spray corrosion detection device for pressure gauge detection is proposed. Summary of the Invention

[0005] The purpose of the present invention is to solve the disadvantages of difficult collection of salt spray after the test and uneven corrosion on the surface of the workpiece in the prior art, and to propose a salt spray corrosion detection device for pressure gauge detection.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A salt spray corrosion detection device for pressure gauge detection, comprising a collection box, an experimental box and a control cabinet. The outer side of the experimental box is respectively fixedly connected with a servo motor and a blower. An auxiliary component for the rapid flow of air inside the experimental box is jointly arranged between the servo motor and the experimental box. The collection box, the experimental box and the control cabinet are fixedly connected together. The inner side of the collection box is respectively provided with a condensation chamber, a neutralization chamber and a collection chamber. A rapid condensation component for cooling the salt spray is arranged inside the condensation chamber. A water pump is fixedly connected between the neutralization chamber and the collection chamber. A crystallization plate is fixedly connected to the inner side of the collection chamber. A plurality of second heating rods are fixedly connected to the bottom of the inner side of the collection chamber. An exhaust pipe is fixedly connected to the outer side of the collection chamber.

[0008] The above technical solution further includes:

[0009] Collection cups are symmetrically and fixedly connected to the inner side of the experimental box. A plurality of first heating rods are fixedly connected to the bottom of the inner side of the experimental box. A first partition plate is fixedly connected to the bottom of the inner side of the experimental box. The first heating rods are located between the first partition plate and the experimental box.

[0010] Placement racks are symmetrically and fixedly connected to the inner side of the experimental box. A brine tank is fixedly connected to the side of the first partition plate away from the first heating rods. A spray tower is fixedly connected to the side of the brine tank away from the first partition plate.

[0011] A sealing groove is opened at the top of the experimental box. A hydraulic rod is fixedly connected to the side of the experimental box away from the control cabinet. A box door is movably connected to the telescopic end of the hydraulic rod. The box door is rotatably connected to the experimental box.

[0012] The rapid condensation component includes a condensation pipe installed inside the condensation chamber. An exhaust mist port is opened on the outer side of the experimental box. The exhaust mist port is fixedly connected to the condensation pipe. A plurality of heat dissipation fins are fixedly connected to the outer side of the condensation pipe.

[0013] A heat dissipation pipe is installed inside the condensation chamber. An air inlet pipe is fixedly connected between the heat dissipation pipe and the blower. A plurality of exhaust holes are opened on the outer side of the heat dissipation pipe. The heat dissipation pipe is cross-distributed between a plurality of heat dissipation fins. Exhaust fans are symmetrically installed at the top of the condensation chamber.

[0014] The auxiliary component includes a driving gear ring fixedly connected to the output end of the servo motor. First stirring rollers are symmetrically and rotatably connected to the inner side of the experimental box. The first stirring rollers extend to the outside of the experimental box and driving gear rings are fixedly connected to the ends close to the driving gear ring.

[0015] A chain is jointly sleeved and connected between the driving gear ring and the two driven gear rings. A chain box is fixedly connected to the outer side of the experimental box. The driving gear ring, the two driven gear rings, the chain and the servo motor are all located inside the chain box.

[0016] On the inner side of the experimental box, a second stirring roller is rotationally connected symmetrically, and a driven bevel gear is fixedly connected to one end of the second stirring roller close to the first stirring roller.

[0017] An active bevel gear is fixedly connected to the outer side of the first stirring roller. The active bevel gear meshes with the driven bevel gear. A gear box is rotationally connected between the first stirring roller and the second stirring roller, and the gear box is fixedly connected to the inner side of the experimental box.

[0018] The present invention has the following beneficial effects:

[0019] 1. In the present invention, by setting the auxiliary component, during the experimental stage, the first stirring roller and the second stirring roller provided by the auxiliary component can evenly distribute the salt mist in the experimental box, reducing the inconsistent corrosion degree on the surface of the pressure gauge, thereby improving the accuracy of the experimental results.

[0020] 2. In the present invention, after the experiment is completed, by the combined use of the set auxiliary component and rapid condensation, the discharge of the remaining salt mist in the experimental box can be accelerated. Finally, the salt mist is condensed, neutralized, crystallized and other collection work is carried out through the collection box, improving the resource recovery rate. At the same time, the collected salt mist is not easy to pollute the environment around the laboratory, and is not easy to cause harm to the experimental personnel. Description of the Drawings

[0021] Figure 1 It is a schematic front view structure diagram of the overall salt spray corrosion detection device for pressure gauge detection proposed by the present invention;

[0022] Figure 2 It is a schematic rear view structure diagram of the whole in the present invention;

[0023] Figure 3 It is a schematic internal structure diagram of the experimental box in the present invention;

[0024] Figure 4 It is a schematic structure diagram of the auxiliary component in the present invention;

[0025] Figure 5 It is a schematic partial internal structure diagram of the experimental box in the present invention;

[0026] Figure 6 It is a schematic overall structure diagram of the collection box in the present invention;

[0027] Figure 7 It is a schematic internal structure diagram of the collection box in the present invention;

[0028] Figure 8 It is a schematic internal structure diagram of the condensation chamber in the present invention.

[0029] In the figure: 1. Collection box; 2. Box door; 3. Experiment box; 4. Control cabinet; 5. Water pump; 6. Blower; 7. Hydraulic rod; 8. Chain box; 9. Exhaust pipe; 10. Sealing groove; 11. Placing rack; 12. Collection cup; 13. Spray tower; 14. Chain; 15. Servo motor; 16. Driven gear ring; 17. Driving gear ring; 18. First partition board; 19. First stirring roller; 20. Driving bevel gear; 21. Driven bevel gear; 22. Second stirring roller; 23. Gear box; 24. First heating rod; 25. Condensing pipe; 26. Mist exhaust port; 27. Second heating rod; 28. Crystallization plate; 29. Condensing chamber; 30. Neutralization chamber; 31. Collection chamber; 32. Brine tank; 33. Air inlet pipe; 34. Exhaust fan; 35. Heat sink fin; 36. Heat dissipation pipe; 37. Exhaust hole. Specific implementation manner

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Implementation example

[0032] As Figures 1 - 6 shown, a salt spray corrosion detection device for pressure gauge detection proposed by the present invention includes a collection box 1, an experiment box 3 and a control cabinet 4. The collection box 1 is used to collect the remaining salt spray after the experiment to prevent the salt spray from overflowing. The experiment box 3 is used to conduct salt spray corrosion experiments on the pressure gauge. The control cabinet 4 plays a control role during the entire experiment process;

[0033] A servo motor 15 and a blower 6 are respectively fixedly connected to the outside of the experiment box 3. The servo motor 15 is used to drive the driving gear 17 to rotate. The blower 6 is used to blow air into the experiment box 3 after the experiment, so that the remaining salt spray in the experiment box 3 enters the condensing pipe 25 through the mist exhaust port 26. An auxiliary component for the rapid flow of the internal air flow of the experiment box 3 is jointly arranged between the servo motor 15 and the experiment box 3. The collection box 1, the experiment box 3 and the control cabinet 4 are fixedly connected together. A condensing chamber 29 is respectively arranged inside the collection box 1, and circulating condensed liquid is arranged in the condensing chamber 29. When the salt spray passes through the condensing pipe 25, the salt spray will be condensed into a liquid;

[0034] The neutralization chamber 30 and the collection chamber 31 are provided with a rapid condensation assembly inside the condensation chamber 29. A water pump 5 is fixedly connected between the neutralization chamber 30 and the collection chamber 31. A crystallization plate 28 is fixedly connected inside the collection chamber 31. A plurality of second heating rods 27 are fixedly connected to the inner bottom of the collection chamber 31. An exhaust pipe 9 is fixedly connected to the outside of the collection chamber 31, and the exhaust pipe 9 is used to discharge water vapor during the heating process.

[0035] Collection cups 12 are symmetrically and fixedly connected to the inside of the experimental chamber 3. The collection cups 12 are used to confirm whether the salt spray sedimentation amount of the equipment is within the specified range. A plurality of first heating rods 24 are fixedly connected to the inner bottom of the experimental chamber 3. The first heating rods 24 control the temperature and humidity inside the experimental chamber 3 by heating the water at the bottom of the experimental chamber 3. A first partition 18 is fixedly connected to the inner bottom of the experimental chamber 3. The first heating rods 24 are located between the first partition 18 and the experimental chamber 3, and the water in the experimental chamber 3 needs to submerge the first heating rods 24.

[0036] Placement racks 11 are symmetrically and fixedly connected to the inside of the experimental chamber 3. The placement racks 11 are used to place the pressure gauges to be tested. A salt water tank 32 is fixedly connected to the side of the first partition 18 away from the first heating rods 24. Salt water is stored inside the salt water tank 32. A spray tower 13 is fixedly connected to the side of the salt water tank 32 away from the first partition 18. Salt spray is sprayed through the spray tower 13 for the experiment.

[0037] A sealing groove 10 is opened at the top of the experimental chamber 3. By adding water to the sealing groove 10, the sealing between the chamber door 2 and the experimental chamber 3 is ensured, thereby preventing the salt spray inside the experimental chamber 3 from overflowing. A hydraulic rod 7 is fixedly connected to the side of the experimental chamber 3 away from the control cabinet 4. The telescopic end of the hydraulic rod 7 is movably connected to the chamber door 2, and the chamber door 2 is rotatably connected to the experimental chamber 3.

[0038] The auxiliary assembly includes a driving gear ring 17 fixedly connected to the output end of the servo motor 15. First stirring rollers 19 are symmetrically and rotatably connected to the inside of the experimental chamber 3. The first stirring rollers 19 extend to the outside of the experimental chamber 3 and driving gear rings 16 are fixedly connected to the ends close to the driving gear ring 17. The servo motor 15 rotates itself to drive the driving gear ring 17 to rotate and drive the chain 14 to move in a circular motion.

[0039] A chain 14 is sleeved and connected between the driving gear ring 17 and the two driven gear rings 16. A chain box 8 is fixedly connected to the outside of the experimental chamber 3. The driving gear ring 17, the two driven gear rings 16, the chain 14 and the servo motor 15 are all located inside the chain box 8. The circular motion of the chain 14 drives the two symmetrically arranged driven gear rings 16 to rotate themselves, and the chain box 8 plays a protective role.

[0040] Second stirring rollers 22 are symmetrically and rotatably connected between the first partition 18 and the experimental chamber 3. Driven bevel gears 21 are fixedly connected to the ends of the second stirring rollers 22 close to the first stirring rollers 19.

[0041] A driving bevel gear 20 is fixedly connected to the outer side of the first stirring roller 19. The driving bevel gear 20 meshes with a driven bevel gear 21. A gearbox 23 is rotatably connected between the first stirring roller 19 and the second stirring roller 22. The gearbox 23 is fixedly connected to the inner side of the experimental box 3. The self-rotation of the driven gear ring 16 drives the self-rotation of the first stirring roller 19 to drive the air flow in the experimental box 3. The self-rotation of the first stirring roller 19 drives the self-rotation of the driving bevel gear 20 to drive the second stirring roller 22 to rotate. The self-rotation of the second stirring roller 22 drives the air flow inside the experimental box 3. The first stirring roller 19 and the second stirring roller 20 can evenly distribute the salt mist in the experimental box, reduce the inconsistent corrosion degree on the surface of the pressure gauge, and thus improve the accuracy of the experimental results.

[0042] The rapid condensation assembly includes a condensing pipe 25 installed inside the condensation chamber 29. An exhaust port 26 is opened on the outer side of the experimental box 3. The exhaust port 26 is fixedly connected to the condensing pipe 25. A plurality of heat dissipation fins 35 are fixedly connected to the outer side of the condensing pipe 25.

[0043] A heat dissipation pipe 36 is installed inside the condensation chamber 29. An air inlet pipe 33 is fixedly connected between the heat dissipation pipe 36 and the blower 6. A plurality of exhaust holes 37 are opened on the outer side of the heat dissipation pipe 36. The heat dissipation pipe 36 is cross-distributed with a plurality of heat dissipation fins 35. Exhaust fans 34 are symmetrically installed on the top of the condensation chamber 29.

[0044] During the collection process, the salt mist in the experimental box 3 is blown into the condensing pipe 25 by the blower 6. At the same time, the air generated by the blower 6 enters the inside of the condensation chamber 29 through the air inlet pipe 33. Finally, bubbles are generated on the exhaust holes 37. The generated bubbles drive the flow of the coolant in the condensation chamber 29, and at the same time drive the heat on the heat dissipation fins 35 and the condensing pipe 25. The heat dissipation fins 35 can increase the heat conduction area of the condensing pipe 25. The flowing coolant can improve the condensation effect of the salt mist. Finally, the heat carried away by the bubbles is discharged through the provided exhaust fans 34. The cooled liquid brine flows into the neutralization chamber 30 through 25. The staff adjusts the liquid inside the neutralization chamber 30 to be neutral by adding reagents. Then, the water pump 5 is started to drain the liquid inside the neutralization chamber 30 into 31. Finally, it is heated by the second heating rod 27 to make the brine on the crystallization plate 28 crystallize, and finally collected.

[0045] In this embodiment, first open the cabinet door 2, add water into the sealing groove 10, then place the pressure gauge between the symmetrically arranged placement racks 11, and then close the cabinet door 2. Conduct the test by controlling the control cabinet 4. During the test, heat the water with the first heating rod 24 provided to generate steam, so as to control the temperature and humidity in the test chamber 3. Then start the brine tank 32. The brine in the brine tank 32 becomes salt mist through the action of the spray tower 13. Then activate the servo motor 15. The servo motor 15 drives the driving gear ring 17 to rotate self-drivenly, driving the chain 14 to move in a circular motion. The chain 14 drives the symmetrically arranged driven gear rings 16 to rotate self-drivenly, and the driven gear rings 16 drive the first stirring roller 19 to rotate self-drivenly. The rotation of the first stirring roller 19 drives the driving bevel gear 20 to rotate self-drivenly to drive the rotation. The rotation of the first stirring roller 19 and the driving bevel gear 20 can evenly distribute the salt mist in the test chamber. Then after the test is completed, start the blower 6, and keep the first stirring roller 19 and the driving bevel gear 20 rotating. The rotation of the first stirring roller 19 and the driving bevel gear 20 accelerates the air flow in the test chamber 3, accelerating the remaining salt mist to enter the condenser tube 25, cooling through the condensation chamber 29, neutralizing the acidity and alkalinity of the salt mist solution in the neutralization chamber 30, and evaporating and crystallizing in the collection chamber 31, and finally completing the collection of the salt mist.

[0046] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A salt spray corrosion detection device for pressure gauge detection, comprising a collection box (1), an experimental box (3) and a control cabinet (4), characterized in that, A servo motor (15) and a blower (6) are respectively fixedly connected to the outside of the experimental box (3). An auxiliary component for the rapid flow of the air flow inside the experimental box (3) is jointly arranged between the servo motor (15) and the experimental box (3). The collection box (1), the experimental box (3) and the control cabinet (4) are fixedly connected together. A condensation chamber (29), a neutralization chamber (30) and a collection chamber (31) are respectively arranged inside the collection box (1). A rapid condensation component for salt spray cooling is arranged inside the condensation chamber (29). A water pump (5) is fixedly connected between the neutralization chamber (30) and the collection chamber (31). A crystallization plate (28) is fixedly connected to the inside of the collection chamber (31). A plurality of second heating rods (27) are fixedly connected to the bottom inside the collection chamber (31). An exhaust pipe (9) is fixedly connected to the outside of the collection chamber (31).

2. The salt spray corrosion detection device for pressure gauge detection according to claim 1, characterized in that, Collection cups (12) are symmetrically and fixedly connected to the inside of the experimental box (3). A plurality of first heating rods (24) are fixedly connected to the bottom inside the experimental box (3). A first partition plate (18) is fixedly connected to the bottom inside the experimental box (3). The first heating rods (24) are located between the first partition plate (18) and the experimental box (3).

3. The salt spray corrosion detection device for pressure gauge detection according to claim 2, wherein, Placement racks (11) are symmetrically and fixedly connected to the inside of the experimental box (3). A brine tank (32) is fixedly connected to the side of the first partition plate (18) away from the first heating rods (24). A spray tower (13) is fixedly connected to the side of the brine tank (32) away from the first partition plate (18).

4. A salt spray corrosion detection device for pressure gauge detection according to claim 1, characterized in that, A sealing groove (10) is opened at the top of the experimental box (3). A hydraulic rod (7) is fixedly connected to the side of the experimental box (3) away from the control cabinet (4). A telescopic end of the hydraulic rod (7) is movably connected to a box door (2). The box door (2) is rotatably connected to the experimental box (3).

5. The salt spray corrosion detection device for pressure gauge detection according to claim 1, characterized in that, The rapid condensation component includes a condensation pipe (25) installed inside the condensation chamber (29). An exhaust mist port (26) is opened on the outside of the experimental box (3). The exhaust mist port (26) is fixedly connected to the condensation pipe (25). A plurality of heat dissipation fins (35) are fixedly connected to the outside of the condensation pipe (25).

6. The salt spray corrosion detection device for pressure gauge detection according to claim 5, characterized in that, A heat dissipation pipe (36) is installed inside the condensation chamber (29). An air inlet pipe (33) is fixedly connected between the heat dissipation pipe (36) and the blower (6). A plurality of exhaust holes (37) are opened on the outside of the heat dissipation pipe (36). The heat dissipation pipe (36) is cross - distributed with a plurality of heat dissipation fins (35). Exhaust fans (34) are symmetrically installed at the top of the condensation chamber (29).

7. A salt spray corrosion testing device for pressure gauge testing according to claim 1, characterized in that, The auxiliary component includes a driving gear ring (17) fixedly connected to the output end of the servo motor (15). First stirring rollers (19) are symmetrically and rotatably connected to the inside of the experimental box (3). The first stirring rollers (19) extend to the outside of the experimental box (3), and driven gear rings (16) are fixedly connected to the ends close to the driving gear ring (17).

8. An apparatus for salt spray corrosion testing of a pressure gauge according to claim 7, characterized in that, A chain (14) is sleeved and connected between the driving gear ring (17) and the two driven gear rings (16). A chain box (8) is fixedly connected to the outside of the experimental box (3). The driving gear ring (17), the two driven gear rings (16), the chain (14) and the servo motor (15) are all located inside the chain box (8).

9. The salt spray corrosion detection device for pressure gauge detection according to claim 8, characterized in that, Second stirring rollers (22) are symmetrically and rotatably connected to the inside of the experimental box (3). A driven bevel gear (21) is fixedly connected to one end of each second stirring roller (22) close to the first stirring roller (19).

10. A salt spray corrosion testing device for pressure gauge testing according to claim 9, characterized in that, A driving bevel gear (20) is fixedly connected to the outside of the first stirring roller (19). The driving bevel gear (20) meshes with the driven bevel gear (21). A gear box (23) is rotatably connected between the first stirring roller (19) and the second stirring rollers (22). The gear box (23) is fixedly connected to the inside of the experimental box (3).

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