Pressure plugging is a common engineering technique used for emergency plugging in the event of a leak or leakage in a pipeline or container. This technology has been widely used in chemical, petroleum, natural gas and other fields, especially in large pipeline, pressure sealing technology can quickly realize the emergency repair of leakage and reduce the loss of accidents.

The basic principle of pressure sealing technology is to use the characteristics of elastic deformation to deform the reaming tape by pressurizing, so as to block the leakage or leakage in the pipeline or container. The belt is usually made of metal belt or rubber belt, with high strength, wear resistance, corrosion resistance and other characteristics. Before construction, check the pipes, containers, and sealing positions, select the appropriate sealing tools and belts, and select the appropriate sealing method according to the actual situation.

Pressure plugging technology is usually divided into two methods: one-way plugging and two-way plugging. One-way plugging refers to the sealing method used when a leak or leakage occurs on one side of a pipe or container. This method requires pressurizing the pipe or container at the leak or leakage location to deform the belt and thus seal it. Two-way sealing refers to the sealing method used when leakage or leakage occurs on both sides of a pipeline or container. This method requires pressure on both sides of the leak or leakage site to deform the belt and thus seal it.

The following points need to be noted when using write tape pressure plugging technology:

1. Before plugging, check the pipe or container to ensure that the sealing position is correct and that the sealing tools and tapes are appropriate.

2. Before plugging, accurately measure the pressure at the plugging position and select an appropriate pressure method.

3. When sealing, ensure that the pressure is even to avoid excessive deformation of the writing tape on one side and leakage on the other side.

4. After sealing, check the pipes or containers to ensure that the sealing effect is good and secondary leakage is avoided.

In short, the pressure plugging technique is an emergency plugging method suitable for leaks or seepage in pipelines or containers. When using this technology, it is necessary to pay attention to safety to ensure the personal stability of the operator and the equipment to avoid accidents.

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