Safe nitrogen replacement device for gas pipeline

Abstract

The utility model discloses a gas pipeline nitrogen safety replacement device which comprises a suitcase, a nitrogen generator is fixed in the suitcase, a guide pipe is connected to the output end of the nitrogen generator, a connector is arranged at one end of the guide pipe, rotating discs are arranged on one side of the nitrogen generator, a winding shaft is fixed between the rotating discs, and a gas pipeline is arranged in the winding shaft. A protective box is arranged on the back wall of the suitcase, and a motor is fixed in the protective box. The device has the beneficial effects that by designing the motor, the rotating disc and the winding shaft, in the using process of the device, the motor drives the rotating disc to rotate, then the rotating disc drives the winding shaft to rotate, a guide pipe is released during replacement, the guide pipe is automatically wound after replacement is completed, a worker can conveniently distribute and collect the guide pipe, and the labor intensity of the worker is reduced. The working intensity of workers is reduced, and the using effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas transportation, in particular to a nitrogen safety replacement device for a gas pipeline. Background Art

[0002] A gas pipeline refers to a pipeline that transports gas (including associated gas produced in oil fields) from the mining site or processing plant to the urban gas distribution center or industrial enterprise users. It is also called a gas transmission pipeline. A displacement device is a device that displaces the air in the pipeline through a pipeline or container to prevent the combustible gas from forming a combustible mixture with oxygen in the air.

[0003] The existing gas pipeline nitrogen safety replacement device is connected to the gas pipe through a connecting pipe during use, so as to achieve nitrogen replacement of the gas in the gas pipeline. During use, the above method requires pipe laying, and the pipe needs to be collected after the work is completed. However, due to the long pipeline, the operation process is cumbersome, resulting in poor use effect of the device. Therefore, a gas pipeline nitrogen safety replacement device is urgently needed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is aimed at the current status of the prior art, and a gas pipeline nitrogen safety replacement device is provided, which is convenient for pipe laying and pipe collection, reduces the workload of staff and has good use effect.

[0006] (II) Technical solution

[0007] The utility model is achieved through the following technical scheme: the utility model proposes a gas pipeline nitrogen safety replacement device, including a suitcase, a nitrogen generator is fixed in the suitcase, a conduit is connected to the output end of the nitrogen generator, a connector is provided at one end of the conduit, a turntable is provided on one side of the nitrogen generator, a winding shaft is fixed between the turntables, a protective box is provided on the back wall of the suitcase, and a motor is fixed in the protective box.

[0008] Furthermore, the nitrogen generator is connected to the suitcase by screws, one end of the conduit is fixed to the output port of the nitrogen generator, the other end of the conduit is fixedly connected to the connector, a threaded cavity is provided inside one end of the connector, and the connector is located outside the suitcase.

[0009] By adopting the above technical solution, the nitrogen generated by the nitrogen generator is transported through the conduit.

[0010] Furthermore, the turntable is rotatably connected to the suitcase, the reel is fixed between the turntables, and the catheter is wound around the reel.

[0011] By adopting the above technical solution, the turntable can drive the winding shaft to rotate, thereby releasing the catheter during replacement, and automatically winding it after the replacement is completed, which can facilitate the staff to lay and wind up the pipes, not only reducing the staff's workload, but also improving the use effect of the device.

[0012] Furthermore, the protective box is connected to the suitcase via screws, the motor is fixed inside the protective box, and the output shaft of the motor is fixedly connected to the turntable.

[0013] By adopting the above technical solution, the motor can drive the turntable to rotate, and the protective box protects the motor.

[0014] Furthermore, a protective cover is provided on one side of the connector, and the protective cover is connected to the suitcase via a card slot.

[0015] By adopting the above technical solution, the protective cover can protect the connector.

[0016] Furthermore, an operation panel is installed on the other side of the nitrogen generator, and the operation panel is electrically connected to the motor and the nitrogen generator.

[0017] By adopting the above technical solution, the operation panel controls the operation of the device.

[0018] Furthermore, a bushing is provided under the operation panel, the bushing is welded to the suitcase, a connecting pipe is placed in the bushing, the connecting pipe consists of three groups and the specifications decrease successively, one end of the connecting pipe is formed with an external thread, and the other end of the connecting pipe is formed with an internal thread.

[0019] By adopting the above technical solution, the corresponding connecting pipe can be selected according to the specifications of the gas pipe, one end of the connecting pipe is connected to the connector, and the other end is connected to the gas pipeline, so that it can be applicable to gas pipelines of different specifications.

[0020] Furthermore, a handle is fixed on one side wall of the suitcase, and the handle is connected to the suitcase by screws.

[0021] By adopting the above technical solution, the handle makes it easy to carry the device.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] In order to solve the problem that the existing gas pipeline nitrogen safety replacement device is connected to the gas pipe through a connecting pipe during use to realize the replacement of gas in the gas pipeline with nitrogen, the above method needs to lay pipes during use, and needs to retract the pipes after the work is completed. However, due to the long pipeline, the operation process is cumbersome, resulting in poor use effect of the device. The utility model designs a motor, a turntable and a winding shaft. During the use of the device, the motor drives the turntable to rotate, and the turntable drives the winding shaft to rotate, so as to release the catheter during replacement, and automatically reel it up after the replacement is completed, which can be convenient for the staff to lay and retract the pipes, which not only reduces the workload of the staff but also improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the nitrogen safety replacement device for gas pipelines of the utility model;

[0026] Figure 2 It is a top sectional view of a suitcase in the gas pipeline nitrogen safety replacement device of the utility model;

[0027] Figure 3 It is a gas pipeline nitrogen safety replacement device in the utility model. Figure 2 Enlarged view of point A in the middle.

[0028] The following are the descriptions of the reference numerals:

[0029] 1. Protective cover; 2. Handle; 3. Suitcase; 4. Operation panel; 5. Nitrogen generator; 6. Motor; 7. Transmission box; 8. Turntable; 9. Connector; 10. Conduit; 11. Reel; 12. Bushing; 13. Connecting pipe. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] like Figure 1-Figure 3As shown, the gas pipeline nitrogen safety replacement device in this embodiment includes a suitcase 3, a nitrogen generator 5 is fixed in the suitcase 3, a conduit 10 is connected to the output end of the nitrogen generator 5, a connector 9 is provided at one end of the conduit 10, the nitrogen generated by the nitrogen generator 5 is transported through the conduit 10, a turntable 8 is provided on one side of the nitrogen generator 5, a winding shaft 11 is fixed between the turntables 8, the turntable 8 can drive the winding shaft 11 to rotate, and then release the conduit 10 during replacement, and automatically reel it up after the replacement is completed, which can facilitate the staff to lay and retract the pipes, not only reducing the work intensity of the staff, but also improving the use effect of the device, a protective box 7 is provided on the back wall of the suitcase 3, a motor 6 is fixed in the protective box 7, the motor 6 can drive the turntable 8 to rotate, and the protective box 7 protects the motor 6.

[0032] like Figure 1-Figure 3 As shown, in this embodiment, the nitrogen generator 5 is connected to the suitcase 3 by screws, one end of the conduit 10 is fixed on the output port of the nitrogen generator 5, and the other end of the conduit 10 is fixedly connected to the connector 9. A threaded cavity is provided inside one end of the connector 9, and the connector 9 is located outside the suitcase 3. The turntable 8 is rotatably connected to the suitcase 3, the winding shaft 11 is fixed between the turntables 8, the conduit 10 is wound around the winding shaft 11, the protective box 7 is connected to the suitcase 3 by screws, the motor 6 is fixed inside the protective box 7, and the output shaft of the motor 6 is fixedly connected to the turntable 8.

[0033] like Figure 1-Figure 3 As shown, in this embodiment, a protective cover 1 is provided on one side of the connector 9, and the protective cover 1 is connected to the suitcase 3 through a slot, and the protective cover 1 can protect the connector 9. An operation panel 4 is installed on the other side of the nitrogen generator 5, and the operation panel 4 is electrically connected to the motor 6 and the nitrogen generator 5. The operation panel 4 controls the operation of the device. A bushing 12 is provided below the operation panel 4, and the bushing 12 is welded to the suitcase 3. A connecting pipe 13 is placed in the bushing 12, and the connecting pipe 13 consists of three groups and the specifications decrease successively. One end of the connecting pipe 13 is formed with an external thread, and the other end of the connecting pipe 13 is formed with an internal thread. The corresponding connecting pipe 13 can be selected according to the specifications of the gas pipe, and one end of the connecting pipe 13 is connected to the connector 9, and then the other end is connected to the gas pipeline, so that it can be applicable to gas pipelines of different specifications. A handle 2 is fixed on one side wall of the suitcase 3, and the handle 2 is connected to the suitcase 3 by screws. The handle 2 is convenient for carrying the device.

[0034] The specific implementation process of this embodiment is as follows: first, the device is carried to the use position by the handle 2, then the external power supply is turned on, the protective cover 1 is removed, and a suitable connecting pipe 13 is selected according to the specifications of the gas pipe. After the selection is completed, one end of the connecting pipe 13 is connected to the connector 9, and the motor 6 drives the winding shaft 11 to rotate to release the conduit 10, and one end of the connecting pipe 13 is placed at the gas pipeline, and then the other end is connected to the gas pipeline, and then the device is controlled to work through the operation panel 4. The nitrogen generated by the nitrogen generator 5 is conveyed through the conduit 10 and the connecting pipe 13 to replace the internal gas in the gas pipeline. After the replacement is completed, the motor 6 automatically reels the conduit 10 through the reel 11, which is convenient for the staff to lay and retract the pipes, which not only reduces the workload of the staff but also improves the use effect of the device.

[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Gas pipeline nitrogen safety replacement device, characterized by: The invention comprises a suitcase (3), wherein a nitrogen generator (5) is fixed inside the suitcase (3), a conduit (10) is connected to the output end of the nitrogen generator (5), a connector (9) is provided at one end of the conduit (10), a turntable (8) is provided on one side of the nitrogen generator (5), a winding shaft (11) is fixed between the turntables (8), a protective box (7) is provided on the back wall of the suitcase (3), and a motor (6) is fixed inside the protective box (7).

2. The gas pipeline nitrogen safety replacement device according to claim 1 is characterized in that: The nitrogen generator (5) is connected to the suitcase (3) by means of screws, one end of the conduit (10) is fixed to the output port of the nitrogen generator (5), and the other end of the conduit (10) is fixedly connected to the connector (9), a threaded cavity is provided inside one end of the connector (9), and the connector (9) is located outside the suitcase (3).

3. The gas pipeline nitrogen safety replacement device according to claim 1 is characterized in that: The turntable (8) is rotatably connected to the suitcase (3), the reel (11) is fixed between the turntables (8), and the conduit (10) is wound around the reel (11).

4. The gas pipeline nitrogen safety replacement device according to claim 1 is characterized in that: The protective box (7) is connected to the suitcase (3) by means of screws, the motor (6) is fixed inside the protective box (7), and the output shaft of the motor (6) is fixedly connected to the turntable (8).

5. The gas pipeline nitrogen safety replacement device according to claim 4 is characterized in that: A protective cover (1) is provided on one side of the connector (9), and the protective cover (1) is connected to the suitcase (3) via a card slot.

6. The gas pipeline nitrogen safety replacement device according to claim 5 is characterized by: An operation panel (4) is installed on the other side of the nitrogen generator (5), and the operation panel (4) is electrically connected to the motor (6) and the nitrogen generator (5).

7. The gas pipeline nitrogen safety replacement device according to claim 6 is characterized by: A bushing (12) is provided below the operating panel (4), the bushing (12) being welded to the suitcase (3), a connecting pipe (13) being placed in the bushing (12), the connecting pipe (13) being composed of three groups with successively decreasing specifications, one end of the connecting pipe (13) being formed with an external thread, and the other end of the connecting pipe (13) being formed with an internal thread.

8. The gas pipeline nitrogen safety replacement device according to claim 6 is characterized by: A handle (2) is fixed on one side wall of the suitcase (3), and the handle (2) is connected to the suitcase (3) via screws.

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