Metal pipeline corrosion resistance testing tool

Abstract

The utility model belongs to the technical field of pipeline corrosion resistance testing, and particularly relates to a metal pipeline corrosion resistance testing tool which comprises an equipment body with a detection bin, two hydrochloric acid spraying mechanisms are symmetrically arranged in the detection bin, and a spraying area for spraying hydrochloric acid on a metal pipeline is formed between the two spraying mechanisms. A rotatable rotating disc is arranged in the spraying area, a plurality of containing stations used for containing the metal pipelines are distributed on the rotating disc in an annular array mode, the multiple metal pipelines sequentially rotate to pass through the two spraying mechanisms based on rotation, and a plurality of trays are arranged at the edge position of the top of the rotating disc. According to the hydrochloric acid spraying device, the rotatable rotating disc is additionally arranged, the multiple metal pipelines can be driven by the rotating disc to rotate and pass through the two hydrochloric acid spraying mechanisms, and therefore hydrochloric acid can be evenly sprayed on the metal pipelines conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline corrosion resistance testing, and in particular relates to a metal pipeline corrosion resistance testing tool. Background Art

[0002] After metal pipes are produced, they need to be anti-corrosion by spraying anti-corrosion coatings. In order to check the anti-corrosion effect of the pipes, they are generally subjected to corrosion resistance tests using corrosion resistance test tools.

[0003] The existing corrosion-resistant tooling includes a base for storing hydrochloric acid, with multiple support rods arranged side by side on the top of the base. The metal pipe sample is placed in the gap between two adjacent support rods. At this time, salt mist is sprayed on the metal pipe through a spray head, thereby performing a hydrochloric acid spray test on the metal pipe. However, the existing support rods do not have the function of turning the metal pipe over, resulting in the sprayed salt mist only covering part of the metal pipe and unable to be sprayed evenly on the metal pipe, affecting the test accuracy of the metal pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a metal pipeline corrosion resistance testing tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metal pipe corrosion resistance testing tool, comprising: an equipment body having a detection chamber, two hydrochloric acid spraying mechanisms symmetrically arranged in the detection chamber, a spraying area for spraying hydrochloric acid on the metal pipe is formed between the two spraying mechanisms, a rotatable turntable is provided in the spraying area, and a plurality of placement stations for placing metal pipes are distributed in a circular array on the turntable, and the rotation causes the plurality of metal pipes to rotate in sequence through the two spraying mechanisms.

[0006] Preferably, a plurality of trays are provided at the edge of the top of the turntable, a plurality of the placement stations are respectively formed on the plurality of trays, and a plurality of the metal pipes are respectively plugged into the corresponding trays.

[0007] Preferably, a rotating mechanism for driving the multiple trays to rotate is also provided under the turntable, and the rotating mechanism includes multiple gears and an inner gear ring meshing with the multiple gears. A support sleeve is provided under the turntable, and the inner gear ring is arranged on the inner wall of the support sleeve. The multiple gears are respectively connected to the corresponding trays.

[0008] Preferably, a rotating block for connection is provided between each of the trays and the corresponding gear, and a plurality of rotating slots for accommodating the rotation of the corresponding rotating blocks are passed through the turntable from top to bottom.

[0009] Preferably, a motor for driving the turntable to rotate is further provided inside the support sleeve, and the output end of the motor is installed at the axis of the bottom of the turntable.

[0010] Preferably, a sealing groove for sealing is provided at the edge of the bottom of the turntable, and the top end of the support sleeve is inserted into the sealing groove.

[0011] Preferably, the hydrochloric acid spraying mechanism includes a bracket and a plurality of nozzles equidistantly installed on the bracket, the spraying ends of the plurality of nozzles are all facing the metal pipe, a corrosion-resistant pump is provided at the bottom of the detection chamber, and a corrosion-resistant pipe is connected between the corrosion-resistant pump and the plurality of nozzles, and the bottom end of the bracket is welded to the outer wall of the support sleeve.

[0012] Preferably, the equipment body includes an isolation cover and a hydrochloric acid tank covering from top to bottom, the detection chamber is formed between the isolation cover and the hydrochloric acid tank, and the bottom end of the support sleeve is welded to the bottom of the hydrochloric acid tank.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The utility model is provided with a rotatable turntable, which can drive multiple metal pipes to rotate through two hydrochloric acid spraying mechanisms, thereby facilitating the even spraying of hydrochloric acid on the metal pipes.

[0015] (2) The utility model adds multiple trays, which facilitate placing multiple metal pipes in a circular array on the turntable, so that the equipment can perform hydrochloric acid testing on multiple metal pipes at the same time.

[0016] (3) The utility model has an additional rotating mechanism, which can drive multiple trays to rotate automatically when the turntable rotates, so that the hydrochloric acid is evenly distributed at various positions of the metal pipe, further improving the uniformity of the hydrochloric acid spraying on the metal pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the cooperation between the gear and the internal gear ring of the utility model;

[0020] Figure 4 This is a top view of the hydrochloric acid spraying mechanism, turntable and hydrochloric acid tank of the utility model;

[0021] Figure 5 This is a front view of the turntable and sealing groove of the utility model;

[0022] In the figure: 1. Hydrochloric acid tank; 2. Isolation cover; 3. Corrosion-resistant pump; 4. Corrosion-resistant pipe; 5. Bracket; 6. Nozzle; 7. Tray; 8. Turntable; 9. Motor; 10. Support sleeve; 11. Rotating groove; 12. Rotating block; 13. Gear; 14. Internal gear ring; 15. Sealing groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] refer to Figure 1-2 As shown, the utility model provides a metal pipe corrosion resistance testing tool, including: an equipment body with a detection chamber, two hydrochloric acid spraying mechanisms are symmetrically arranged in the detection chamber, a spraying area for spraying hydrochloric acid on the metal pipe is formed between the two spraying mechanisms, a rotatable turntable 8 is provided in the spraying area, and a plurality of placement stations for placing metal pipes are distributed in a circular array on the turntable 8, and the rotation causes the plurality of metal pipes to rotate in sequence through the two spraying mechanisms.

[0025] Combine Figure 2 As shown, the output end of the motor 9 is installed at the axis center of the bottom of the turntable 8.

[0026] Combine Figure 1-2 As shown, the equipment body includes an isolation cover 2 and a hydrochloric acid tank 1 covered from top to bottom, a detection chamber is formed between the isolation cover 2 and the hydrochloric acid tank 1, and the bottom end of the support sleeve 10 is welded to the bottom of the hydrochloric acid tank 1.

[0027] As described above, when using the device body, hydrochloric acid spraying mechanism and turntable 8 provided by the present invention, the device body includes a hydrochloric acid tank 1 for storing hydrochloric acid, and the turntable 8 is rotated by a motor 9 and installed above the hydrochloric acid liquid level. A plurality of metal pipes are placed in sequence at the edge position of the top of the turntable 8. At this time, the turntable 8 rotates, thereby driving the plurality of metal pipes on the turntable 8 to pass through the two hydrochloric acid spraying mechanisms in sequence. During this process, hydrochloric acid is sprayed on the passing metal pipes through the hydrochloric acid spraying mechanism, so that the device can evenly spray the smoke on the metal pipes, and prevent the hydrochloric acid from escaping outward through the isolation cover 2.

[0028] Further, in order to facilitate the placement of the metal pipe on the turntable 8, refer to Figure 2 and Figure 4As shown, a plurality of trays 7 are provided at the edge of the top of the turntable 8, and a plurality of placement stations are formed on the plurality of trays 7, respectively, and a plurality of metal pipes are plugged into the corresponding trays 7. The trays 7 provide installation locations for the metal pipes on the turntable 8, making it easy to place the metal pipes on the turntable 8.

[0029] In this utility model, combined with Figure 2-3 As shown, a rotating mechanism for driving the multiple trays 7 to rotate is provided below the turntable 8 of this embodiment. The rotating mechanism includes multiple gears 13 and an inner gear ring 14 meshing with the multiple gears 13. A support sleeve 10 is provided below the turntable 8. The inner gear ring 14 is provided on the inner wall of the support sleeve 10. The multiple gears 13 are respectively connected to the corresponding trays 7. The interior of the support sleeve 10 is also provided with a motor 9 for driving the turntable 8 to rotate.

[0030] Combine Figure 2 and Figure 5 As shown, a rotating block 12 for connection is provided between each tray 7 and the corresponding gear 13 , and a plurality of rotating slots 11 for accommodating the rotation of the corresponding rotating blocks 12 are passed through the turntable 8 from top to bottom.

[0031] As mentioned above, when using the rotating mechanism provided by the present invention, the support sleeve 10 in the rotating mechanism provides an installation position for the inner gear ring 14, so that the inner gear ring 14 always remains below the turntable 8, and the tray 7 is engaged with the inner gear ring 14 through the gear 13. When the turntable 8 is rotated by the motor 9, multiple gears 13 are engaged on the inner gear ring 14, thereby driving the tray 7 to automatically rotate on the turntable 8, and then facilitating the metal pipe to rotate during the rotation of the turntable 8, so that the hydrochloric acid spray can cover various positions of the metal pipe.

[0032] Further, in order to prevent hydrochloric acid from entering the position where the motor 9 is stored between the turntable 8 and the support sleeve 10, refer to Figure 2 and Figure 5 As shown, a sealing groove 15 for sealing is further provided at the edge of the bottom of the turntable 8, and the top end of the support sleeve 10 is inserted into the sealing groove 15. The sealing groove 15 facilitates the top end of the support sleeve 10 to extend into the turntable 8, thereby preventing external hydrochloric acid from entering the space between the turntable 8 and the support sleeve 10, thereby improving the service life of the motor 9.

[0033] In this utility model, combined with Figure 2 and Figure 4 As shown, the hydrochloric acid spraying mechanism of this embodiment includes a bracket 5 and a plurality of nozzles 6 installed at equal distances on the bracket 5. The spraying ends of the plurality of nozzles 6 are all directed toward the metal pipe. A corrosion-resistant pump 3 is provided at the bottom of the detection chamber. A corrosion-resistant pipe 4 is connected between the corrosion-resistant pump 3 and the plurality of nozzles 6. The bottom end of the bracket 5 is welded to the outer wall of the support sleeve 10.

[0034] As described above, when using the hydrochloric acid spraying mechanism provided by the present invention, the bracket 5 in the hydrochloric acid spraying mechanism provides an installation position for multiple nozzles 6, so that the multiple nozzles 6 are always directed towards the metal pipe above the turntable 8. Hydrochloric acid can be provided to the nozzles 6 through the corrosion-resistant pump 3 and the corrosion-resistant pipe 4, and the sprayed hydrochloric acid can be collected through the bottom of the detection chamber for easy reuse.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal pipeline corrosion resistance testing tool, characterized in that: include: The invention relates to a device body having a detection chamber, wherein two hydrochloric acid spraying mechanisms are symmetrically arranged in the detection chamber, a spraying area for spraying hydrochloric acid on a metal pipe is formed between the two spraying mechanisms, a rotatable turntable (8) is provided in the spraying area, and a plurality of placement stations for placing metal pipes are distributed in a circular array on the turntable (8), and the plurality of metal pipes are rotated in sequence through the two spraying mechanisms based on the rotation.

2. A metal pipeline corrosion resistance testing tool according to claim 1, characterized in that: A plurality of trays (7) are provided at the edge of the top of the turntable (8), a plurality of placement stations are respectively formed on the plurality of trays (7), and a plurality of metal pipes are respectively plugged into the corresponding trays (7).

3. A metal pipeline corrosion resistance testing tool according to claim 2, characterized in that: A rotating mechanism for driving the plurality of trays (7) to rotate is further provided below the turntable (8), the rotating mechanism comprising a plurality of gears (13) and an inner gear ring (14) meshing with the plurality of gears (13). A support sleeve (10) is provided below the turntable (8), the inner gear ring (14) being arranged on the inner wall of the support sleeve (10), and the plurality of gears (13) being connected to the corresponding trays (7) respectively.

4. A metal pipeline corrosion resistance testing tool according to claim 3, characterized in that: A rotating block (12) for connection is provided between each tray (7) and the corresponding gear (13), and a plurality of rotating slots (11) for accommodating the rotation of the corresponding rotating block (12) are passed through the turntable (8) from top to bottom.

5. The metal pipeline corrosion resistance testing tool according to claim 3, characterized in that: A motor (9) for driving the turntable (8) to rotate is also provided inside the support sleeve (10), and the output end of the motor (9) is installed at the axis center of the bottom of the turntable (8).

6. The metal pipeline corrosion resistance testing tool according to claim 3, characterized in that: A sealing groove (15) for sealing is also provided at the edge of the bottom of the turntable (8), and the top end of the support sleeve (10) is inserted into the sealing groove (15).

7. The metal pipeline corrosion resistance testing tool according to claim 3, characterized in that: The hydrochloric acid spraying mechanism comprises a bracket (5) and a plurality of nozzles (6) mounted at equal distances on the bracket (5), the spraying ends of the plurality of nozzles (6) all face the metal pipe, a corrosion-resistant pump (3) is provided at the bottom of the detection chamber, a corrosion-resistant pipe (4) is connected between the corrosion-resistant pump (3) and the plurality of nozzles (6), and the bottom end of the bracket (5) is welded to the outer wall of the support sleeve (10).

8. The metal pipeline corrosion resistance testing tool according to claim 3, characterized in that: The device body comprises an isolation cover (2) and a hydrochloric acid tank (1) which are covered from top to bottom, the detection chamber is formed between the isolation cover (2) and the hydrochloric acid tank (1), and the bottom end of the support sleeve (10) is welded to the bottom of the hydrochloric acid tank (1).

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