Pipeline purging device

Abstract

The utility model provides a pipeline purging device, and mainly relates to the technical field of pipeline cleaning. The pipeline purging device comprises a connecting flange, the right side of the connecting flange is rotationally connected with a sleeve, the right side of the sleeve is rotationally connected with a cleaning pipe, and the inner walls of the connecting flange, the sleeve and the cleaning pipe are all in threaded connection with a gas blowing pipe. The utility model has the beneficial effects that the structure is simple, the disassembly and the assembly are convenient, the outer ring of the air blowing pipe is connected with other components through threads, the connection sealing performance is ensured while the radial movement is realized, and the operation safety of pipelines and equipment is ensured; purging airflow rotates after being rectified through the air blowing pipe, and the rotating airflow is beneficial to increasing friction to the inner wall of the pipeline, so that the purging effect on attachments on the inner wall of the pipeline is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of pipeline cleaning, in particular to a pipeline blowing device. Background Art

[0002] After the feeding of hydrogen cyanide stops, the pipeline needs to be purged and cleaned to prevent the hydrogen cyanide accumulated in the pipeline from stagnating for a long time and polymerizing. The existing pipeline purging device does not purge thoroughly, and the hydrogen cyanide stagnating for a long time will polymerize and block the pipeline valve, etc. When the pipeline is opened for maintenance, unnecessary personal injury and environmental pollution may occur. Utility Model Content

[0003] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0004] A pipeline purge device comprises a connecting flange, wherein the right side of the connecting flange is connected to a sleeve by rotation, and the right side of the sleeve is connected to a cleaning pipe by rotation, and the connecting flange, the sleeve and the inner wall of the cleaning pipe are all threadedly connected to a blowing pipe.

[0005] A spiral block is fixedly arranged on the inner wall of the air blowing pipe.

[0006] The inner ring on the left side of the sleeve is in contact with the outer ring of the connecting flange through a concave-convex fit and the outer ring is hexagonal. The inner ring on the right side of the sleeve is threaded and is threadedly connected to the outer ring of the blowing pipe. The rotation of the sleeve drives the blowing pipe to move radially.

[0007] A groove is provided at the left end of the cleaning pipe, and the outer ring of the right side of the sleeve abuts against the groove.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The utility model has a simple structure and is easy to disassemble and install. The outer ring of the blowing pipe is connected to other components by threads, and the connection sealing is guaranteed while moving radially, thereby ensuring the safe operation of the pipeline and equipment. The blowing airflow rotates after being rectified by the blowing pipe. The rotating airflow is beneficial to increasing the friction with the inner wall of the pipeline, thereby improving the blowing effect on the attachments on the inner wall of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Attached Figure 2 This is a schematic diagram of the internal structure of the utility model in working state;

[0012] Attached Figure 3 It is a schematic diagram of the internal structure of the utility model in a non-working state.

[0013] The numbers shown in the accompanying drawings are: 1, connecting flange; 2, sleeve; 3, cleaning pipe; 4, air blowing pipe; 401, spiral block. DETAILED DESCRIPTION

[0014] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0015] In conjunction with the accompanying drawings, a pipeline purging device includes a connecting flange 1, the connecting flange 1 is rotatably connected to a sleeve 2 on the right side, the sleeve 2 is rotatably connected to a cleaning pipe 3 on the right side, and the inner walls of the connecting flange 1, sleeve 2, and cleaning pipe 3 are all threadedly connected to a blowing pipe 4.

[0016] The inner wall of the air blowing pipe 4 is fixedly provided with a spiral block 401, and the air flow is rotated through this structural design.

[0017] The inner ring on the left side of the sleeve 2 is in contact with the outer ring of the connecting flange 1 through a concave-convex fit, and the outer ring is hexagonal. This structural design limits the radial movement of the sleeve 2. The inner ring on the right side of the sleeve 2 is threaded and is threadedly connected to the outer ring of the blowing pipe 4. The rotation of the sleeve 2 drives the blowing pipe 4 to move radially.

[0018] A groove is formed at the left end of the cleaning pipe 3, and the outer ring of the right side of the sleeve 2 abuts against the groove.

[0019] When the device is in use, the connecting flange 1 is fixed on the pipeline to be cleaned, the cleaning pipe 3 is fixedly connected to the external cleaning device, and the sleeve 2 is rotated to drive the air blowing pipe 4 to move to the left and extend into the interior of the pipeline to be cleaned. When the purge gas passes through the air blowing pipe 4, it is rectified by several spiral blocks 401 and then rotated into the interior of the pipeline to be cleaned. After the purge operation is completed, the sleeve 2 is rotated in the opposite direction to retract the air blowing pipe 4, and finally the connecting flange 1 is removed.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pipeline purge device, comprising a connecting flange (1), characterized in that: The right side of the connecting flange (1) is rotatably connected to the sleeve (2), and the right side of the sleeve (2) is rotatably connected to the cleaning pipe (3). The inner walls of the connecting flange (1), the sleeve (2) and the cleaning pipe (3) are all threadedly connected to the blowing pipe (4), and a spiral block (401) is fixedly arranged on the inner wall of the blowing pipe (4).

2. A pipeline purging device according to claim 1, characterized in that: The left inner ring of the sleeve (2) is in contact with the outer ring of the connecting flange (1) through a concave-convex fit and the outer ring is hexagonal in shape. The right inner ring of the sleeve (2) is provided with a thread and is threadedly connected to the outer ring of the blowing pipe (4). The rotation of the sleeve (2) drives the blowing pipe (4) to move radially.

3. A pipeline purging device according to claim 1, characterized in that: The left end of the cleaning pipe (3) is provided with a groove, and the right outer ring of the sleeve (2) abuts against the groove.

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