Plugging equipment construction with pressure is a technique commonly used in pipeline maintenance and control. By using commonly used equipment and processes, maintenance, plugging and testing can be performed without stopping the flow of the pipeline. The following details the steps and precautions for the construction of the sealing equipment with pressure.

1. Equipment preparation

Before the construction of the plugging equipment with pressure, you need to prepare the equipment. First of all, according to the actual situation to choose the appropriate pressure plugging equipment, including the device, the plugging device, the detection instrument. The equipment is then inspected and tested to ensure that it is functioning properly.

Second, site preparation

Before the construction can begin, it is necessary to prepare the construction site. First, determine the construction area, and clean the site to ensure that there is no debris and obstacles. Then, according to the actual situation, choose the appropriate working platform and stability facilities, such as scaffolding and stability protection net.

Third, construction steps

1. Disconnect the valve: close the valve connected to the pipeline to be constructed as required, and ensure that the valve is closed.

2. Clean the pipeline: Use high-pressure water or gas to clean the pipeline, ensure that the inside of the pipeline is clean, and remove possible dirt and impurities.

3. Positioning and marking: Determine the location that needs to be constructed and mark it with marking tools for subsequent construction operations.

4. Operation: Insert the device into the pipeline, and expand the pipeline to a predetermined size through the expansion structure of the rewriter. The operation needs to be adjusted according to factors such as pipe material, diameter and thickness, and operate in strict accordance with the equipment instructions.

5. Plugging operation: After completion, insert the plugging device into the back of the pipeline, through expansion or clamping, the pipeline is blocked. The plugging operation must be adjusted according to the pipe pressure and the specifications of the plugging device, and ensure that the plugging effect is good.

6. Test and inspection: After plugging is completed, testing instruments are used to test and inspect the pipeline to ensure that the plugging effect is stable and reliable. Tests and inspections include leak testing, pressure testing, etc.

7. Restore the flow: After completing the test and inspection, the flow of the pipeline can be gradually restored and normal operation can be resumed.

Four, stability precautions

When carrying out the construction of sealing equipment with pressure, matters:

1. Ensure that the construction personnel have relevant technical and operational experience, and operate the equipment in strict accordance with the instructions.

2. Set up obvious warning signs at the construction site to ensure that others will not stray into the construction area.

3. Use appropriate personal protective equipment, such as stability caps, protective glasses, protective gloves, etc.

4. In the construction process, it is strictly prohibited to use open flame and flammable materials to ensure the stability of the construction site.

5. Maintain and overhaul the equipment regularly to ensure the normal operation and stability of the equipment.

In SUMMARY:

The construction of sealing equipment with pressure is a job that requires highly advanced knowledge and experience. Through the correct use of pressure sealing equipment, the maintenance and stability control of the pipeline can be realized to ensure the normal operation and stability of the pipeline. During the construction process, it is necessary to operate in strict accordance with the instructions for the use of equipment, and pay attention to the details of stability to ensure the smooth progress of construction and the stability of personnel.

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