CN216050524U

CN216050524U - Pipeline leakproofness detection device for methyl alcohol hydrogen manufacturing convenient to remove

Info

Publication number: CN216050524U
Application number: CN202121742172.8U
Authority: CN
Inventors: 欧开强; 彭耀明
Original assignee: Changzhou Lanbo Purification Technology Co ltd
Current assignee: Changzhou Lanbo Hydrogen Energy Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-15
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a pipeline tightness detection device for hydrogen production by methanol, which is convenient to move and comprises a box body, wherein the bottom of the box body is fixedly connected with two pairs of rollers, the two pairs of rollers are symmetrically arranged around the central axis of the box body, one side of the box body is fixedly connected with a water inlet pipe, the other side of the box body is fixedly connected with a water outlet pipe, a valve is arranged on a pipe body of the water outlet pipe, the inner wall of the top of the box body is fixedly connected with two pairs of first hydraulic cylinders, output shafts of the two pairs of first hydraulic cylinders are fixedly connected with a support plate, two sides of the top of the support plate are fixedly connected with a first fixed block, the top of the first fixed block is fixedly connected with a second hydraulic cylinder, output shafts of the two second hydraulic cylinders are fixedly connected with sealing covers, and a clamping mechanism is arranged between the two sealing covers, and the device is suitable for detecting pipelines with different diameters.

Description

Pipeline leakproofness detection device for methyl alcohol hydrogen manufacturing convenient to remove

Technical Field

The utility model relates to the technical field of methanol hydrogen production, in particular to a pipeline tightness detection device for methanol hydrogen production, which is convenient to move.

Background

The methanol hydrogen production is to reduce energy consumption and cost in chemical production, to replace the water electrolysis hydrogen production process called 'electric tiger', and uses advanced methanol steam reforming-pressure swing adsorption technology to prepare pure hydrogen and mixed gas rich in CO2, and hydrogen and carbon dioxide gas can be obtained simultaneously through further post-treatment.

The hydrogen production by methanol needs to use a conveying pipeline to convey hydrogen, and when the conveying pipeline is used for production, the airtightness of the pipeline needs to be detected in order to prevent gas leakage, but the existing airtightness detection device is not convenient to move and cannot be suitable for pipelines with different diameters, so that the pipeline airtightness detection device for hydrogen production by methanol, which is convenient to move, is provided to correct the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the prior art is inconvenient to move and cannot be suitable for pipelines with different diameters, and provides a pipeline tightness detection device for methanol hydrogen production, which is convenient to move. The pipeline tightness detection device for the methanol hydrogen production, which is convenient to move, has the characteristics of convenience in moving, suitability for pipeline detection of different diameters and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a pipeline tightness detection device for hydrogen production by methanol convenient to move comprises a box body, wherein the bottom of the box body is fixedly connected with two pairs of rollers, the two pairs of rollers are symmetrically arranged around the central axis of the box body, one side of the box body is fixedly connected with a water inlet pipe, the other side of the box body is fixedly connected with a water outlet pipe, a valve is arranged on a pipe body of the water outlet pipe, the inner wall of the top of the box body is fixedly connected with two pairs of first hydraulic cylinders, output shafts of the two pairs of first hydraulic cylinders are fixedly connected with a support plate, two sides of the top of the support plate are fixedly connected with first fixed blocks, the top of each first fixed block is fixedly connected with a second hydraulic cylinder, output shafts of the two second hydraulic cylinders are fixedly connected with sealing covers, a clamping mechanism is arranged between the two sealing covers, the top of the box body is fixedly connected with an air pump, and the air guide pipe is fixedly connected with the air pump, the other end of the air duct runs through the side wall of the box body, the air duct is of a hose structure, the top of the front end face of the box body is movably connected with a box door, a rectangular opening is formed in the bottom of the front end face of the box body, and a glass window is fixedly connected to the inner wall of the rectangular opening.

Preferably, the two pairs of first hydraulic cylinders are symmetrically arranged about the central axis of the support plate.

Preferably, two fixedly connected with first sealing washer on the inner wall of sealed lid, be equipped with the second sealing washer in the first sealing washer, second sealing washer fixed connection is on the inner wall of sealed lid, the lateral wall of one of them sealed lid is run through to the other end mouth of pipe of air duct to extend to in the second sealing washer.

Preferably, the side wall of the sealing cover is provided with a first sealing ring, the inner wall of the first sealing ring is provided with a second sealing ring, the inner wall of the second sealing ring is provided with a third sealing ring, and the first sealing ring, the second sealing ring and the third sealing ring are all rubber pad structures.

Preferably, fixture includes the limiting plate, limiting plate fixed connection is at the top of backup pad, just the both sides of limiting plate all have first grip block and second grip block through pivot swing joint, one side that first grip block and second grip block kept away from mutually is equipped with the second fixed block, second fixed block fixed connection is at the top of backup pad, just the top fixedly connected with third pneumatic cylinder of second fixed block, one side fixedly connected with connecting block that first grip block and second grip block are close to the third pneumatic cylinder, the output shaft swing joint of third pneumatic cylinder is in one side of connecting block.

Preferably, the pair of first clamping blocks and the pair of second clamping blocks are provided with anti-slip pads on the sides close to each other, and the anti-slip pads are of rubber pad structures.

Preferably, the bottom of the box body is fixedly connected with a fourth hydraulic cylinder, an output shaft of the fourth hydraulic cylinder is fixedly connected with an antiskid plate, the bottom of the antiskid plate is fixedly connected with a plurality of antiskid blocks, and the bottom ends of the antiskid blocks are arranged at pointed ends.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the technical scheme, the roller, the fourth hydraulic cylinder, the antiskid plate and the antiskid block are matched, so that the device can be conveniently moved, and the phenomenon of sliding when the device is used can be prevented;

2. in the technical scheme, different pipelines can be clamped through the cooperation of the third hydraulic cylinder, the first clamping block, the second clamping block and the limiting plate;

3. in this technical scheme, through the cooperation between second pneumatic cylinder, sealed lid, first sealing washer, second sealing washer, first sealing ring, second sealing ring and the third sealing ring, can seal the pipeline of unidimensional not to improve device's application range.

Drawings

FIG. 1 is a partial perspective view of the present invention;

FIG. 2 is an overall schematic view of the present invention;

FIG. 3 is a left side view of the support plate, the third hydraulic cylinder, the first clamping block and the second clamping block;

FIG. 4 is a side view of the seal cap

Fig. 5 is an enlarged view of a portion a in fig. 2.

Reference numbers in the figures: 1. a box body; 2. a roller; 3. a water inlet pipe; 4. a water outlet pipe; 5. a first hydraulic cylinder; 6. a support plate; 7. a first fixed block; 8. a second hydraulic cylinder; 9. a sealing cover; 10. an air pump; 11. an air duct; 12. a glass window; 13. a first seal ring; 14. a second seal ring; 15. a first seal ring; 16. a second seal ring; 17. a third seal ring; 18. a limiting plate; 19. a first clamping block; 20. a second clamping block; 21. a second fixed block; 22. a third hydraulic cylinder; 23. connecting blocks; 24. a fourth hydraulic cylinder; 25. an anti-skid plate; 26. and (4) anti-skid blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a pipeline tightness detection device for hydrogen production by methanol convenient to move comprises a box body 1, wherein the bottom of the box body 1 is fixedly connected with two pairs of rollers 2, the two pairs of rollers 2 are symmetrically arranged about the central axis of the box body 1, one side of the box body 1 is fixedly connected with a water inlet pipe 3, the other side of the box body 1 is fixedly connected with a water outlet pipe 4, a valve is arranged on a pipe body of the water outlet pipe 4, the inner wall of the top of the box body 1 is fixedly connected with two pairs of first hydraulic cylinders 5, the two pairs of first hydraulic cylinders 5 are symmetrically arranged about the central axis of a support plate 6, so that the up-and-down movement stability of the support plate 6 is improved, output shafts of the two pairs of first hydraulic cylinders 5 are fixedly connected with the support plate 6, two sides of the top of the support plate 6 are fixedly connected with first fixing blocks 7, the top of the first fixing blocks 7 is fixedly connected with second hydraulic cylinders 8, and output shafts of the two second hydraulic cylinders 8 are fixedly connected with sealing covers 9, a first sealing ring 15 is arranged on the side wall of the sealing cover 9, a second sealing ring 16 is arranged on the inner wall of the first sealing ring 13, a third sealing ring 17 is arranged on the inner wall of the second sealing ring 14, the first sealing ring 15, the second sealing ring 16 and the third sealing ring 17 are all rubber pad structures, the sealing performance of pipe orifices at two ends of the pipeline can be further improved through the first sealing ring 15, the second sealing ring 16 and the third sealing ring 17, the first sealing ring 13 is fixedly connected on the inner wall of the two sealing covers 9, the second sealing ring 14 is arranged in the first sealing ring 13, the second sealing ring 14 is fixedly connected on the inner wall of the sealing cover 9, the pipe orifice at the other end of the air duct 11 penetrates through the side wall of one sealing cover 9 and extends into the second sealing ring 14, the pipeline sealing device can seal pipelines with different diameters, so that the application range of the device is enlarged, and a clamping mechanism is arranged between the two sealing covers 9.

The clamping mechanism comprises a limiting plate 18, the limiting plate 18 is fixedly connected to the top of the supporting plate 6, a first clamping block 19 and a second clamping block 20 are movably connected to two sides of the limiting plate 18 through a rotating shaft, anti-slip pads are arranged on one sides, close to the first clamping block 19 and the second clamping block 20, of the pair of first clamping block 19 and the second clamping block 20, are of rubber pad structures, the clamping friction force of the first clamping block 19 and the second clamping block 20 is improved through the anti-slip pads, a second fixing block 21 is arranged on one side, far away from the first clamping block 19 and the second clamping block 20, of the first clamping block 19 and the second clamping block 20, the second fixing block 21 is fixedly connected to the top of the supporting plate 6, a third hydraulic cylinder 22 is fixedly connected to the top of the second fixing block 21, a connecting block 23 is fixedly connected to one side, close to the third hydraulic cylinder 22, an output shaft of the third hydraulic cylinder 22 is movably connected to one side of the connecting block 23, and pipelines with different diameters can be clamped through the clamping mechanism, thereby improve the stability that the pipeline reciprocated, the top fixedly connected with air pump 10 of box 1, fixedly connected with air duct 11 on the air pump 10, the other end of air duct 11 runs through the lateral wall of box 1, and air duct 11 is the hose construction, and box 1's preceding terminal surface top swing joint has the chamber door, and box 1's preceding terminal surface bottom has seted up the rectangle mouth, fixedly connected with glass window 12 on the inner wall of rectangle mouth.

The bottom fixedly connected with fourth pneumatic cylinder 24 of box 1, the output shaft fixedly connected with antiskid ribbed tile 25 of fourth pneumatic cylinder 24, a plurality of non slipping spur 26 of the bottom fixedly connected with of antiskid ribbed tile 25, the bottom of non slipping spur 26 is most advanced to set up, can prevent through antiskid ribbed tile 25 and non slipping spur 26 that the device from taking place to skid when using to improve the stability in use of the device.

The working principle is as follows: when the device is used, water can be introduced into the box body 1 through the water inlet pipe 3, the water level of the water is lower than that of the water inlet pipe 3, then the device is pushed to a designated place through the rollers 2, then all electrical elements are externally connected with a power supply, the fourth hydraulic cylinder 24 is started, the fourth hydraulic cylinder 24 pushes the anti-skid blocks 26 and the anti-skid plates 25 to move downwards until the anti-skid blocks 26 and the anti-skid plates 25 are tightly attached to the ground, the device is prevented from sliding in use through the anti-skid blocks 26 and the anti-skid plates 25, when the air tightness of a pipeline needs to be detected, the box door can be opened, the pipeline is placed between the pair of first clamping blocks 19 and the pair of second clamping blocks 20, then the third hydraulic cylinder 22 is started, the two pairs of third hydraulic cylinders 22 respectively push the two first clamping blocks 19 and the second clamping blocks 20 to rotate towards the direction of the pipeline until the pipeline is clamped, the second hydraulic cylinder 8 is started, the two second hydraulic cylinders 8 push the sealing covers 9 to be close to two ends of the pipeline, until the outer wall of the pipeline is clamped into the inner walls of the first sealing ring 15, the second sealing ring 16 or the third sealing ring 17 and is tightly attached, then the first hydraulic cylinder 5 is started, the first hydraulic cylinder 5 drives the supporting plate 6 and the pipeline to move downwards until the pipeline is completely submerged into the water surface, the air pump 10 is started, the air pump 10 introduces air into the pipeline through the air guide pipe 11, then whether bubbles appear on the pipeline submerged into the water surface or not is observed through the glass window 12, and then the air tightness of the pipeline can be judged through the bubbles, which is the whole working process of the utility model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a methanol hydrogen production is with pipeline leakproofness detection device convenient to remove, includes box (1), its characterized in that: the bottom of the box body (1) is fixedly connected with two pairs of idler wheels (2), the two pairs of idler wheels (2) are symmetrically arranged about the central axis of the box body (1), one side of the box body (1) is fixedly connected with a water inlet pipe (3), the other side of the box body (1) is fixedly connected with a water outlet pipe (4), a valve is installed on a pipe body of the water outlet pipe (4), the inner wall of the top of the box body (1) is fixedly connected with two pairs of first hydraulic cylinders (5), the output shafts of the two pairs of first hydraulic cylinders (5) are fixedly connected with a support plate (6), the two sides of the top of the support plate (6) are fixedly connected with first fixed blocks (7), the top of each first fixed block (7) is fixedly connected with a second hydraulic cylinder (8), the output shafts of the two second hydraulic cylinders (8) are fixedly connected with sealing covers (9), and a clamping mechanism is arranged between the two sealing covers (9), the air pump is characterized in that an air pump (10) is fixedly connected to the top of the box body (1), an air guide tube (11) is fixedly connected to the air pump (10), the other end of the air guide tube (11) penetrates through the side wall of the box body (1), the air guide tube (11) is of a hose structure, a box door is movably connected to the top of the front end face of the box body (1), a rectangular opening is formed in the bottom of the front end face of the box body (1), and a glass window (12) is fixedly connected to the inner wall of the rectangular opening.

2. The portable pipeline tightness detection device for methanol hydrogen production as claimed in claim 1, characterized in that: the two pairs of first hydraulic cylinders (5) are symmetrically arranged around the central axis of the support plate (6).

3. The portable pipeline tightness detection device for methanol hydrogen production as claimed in claim 1, characterized in that: two fixedly connected with first sealing washer (13) on the inner wall of sealed lid (9), be equipped with second sealing washer (14) in first sealing washer (13), second sealing washer (14) fixed connection is on the inner wall of sealed lid (9), the other end mouth of pipe of air duct (11) runs through the lateral wall of one of them sealed lid (9) to extend to in second sealing washer (14).

4. The portable pipeline tightness detection device for methanol hydrogen production according to claim 3, characterized in that: the sealing structure is characterized in that a first sealing ring (15) is arranged on the side wall of the sealing cover (9), a second sealing ring (16) is arranged on the inner wall of the first sealing ring (13), a third sealing ring (17) is arranged on the inner wall of the second sealing ring (14), and the first sealing ring (15), the second sealing ring (16) and the third sealing ring (17) are all rubber pad structures.

5. The portable pipeline tightness detection device for methanol hydrogen production as claimed in claim 1, characterized in that: fixture includes limiting plate (18), limiting plate (18) fixed connection is at the top of backup pad (6), just the both sides of limiting plate (18) all have first grip block (19) and second grip block (20) through pivot swing joint, one side that first grip block (19) and second grip block (20) kept away from mutually is equipped with second fixed block (21), second fixed block (21) fixed connection is at the top of backup pad (6), just the top fixedly connected with third pneumatic cylinder (22) of second fixed block (21), one side fixedly connected with connecting block (23) that first grip block (19) and second grip block (20) are close to third pneumatic cylinder (22), the output shaft swing joint of third pneumatic cylinder (22) is in one side of connecting block (23).

6. The portable pipeline tightness detection device for methanol hydrogen production according to claim 5, characterized in that: and anti-skid pads are arranged on the sides, close to each other, of the first clamping block (19) and the second clamping block (20), and the anti-skid pads are of rubber pad structures.

7. The portable pipeline tightness detection device for methanol hydrogen production as claimed in claim 1, characterized in that: the bottom fixedly connected with fourth pneumatic cylinder (24) of box (1), the output shaft fixedly connected with antiskid ribbed tile (25) of fourth pneumatic cylinder (24), a plurality of non slipping spur (26) of bottom fixedly connected with of antiskid ribbed tile (25), the bottom of non slipping spur (26) is most advanced to set up.