Pressurized Plugging technology is the technology that seals, repairs, and controls fluids. It is suitable for a variety of application scenarios, including the oil and gas industry, chemical industry, health industry and so on. This article will introduce in detail the use of pressure sealing methods and skills, and provide some practical suggestions.

The basic principle of sealing with pressure The basic principle of sealing with pressure is to push the sealing material into the gap or damage in the pipeline or equipment to achieve the sealing effect. Commonly used sealing materials include caulk, tape, silicone and so on. At the same time of applying pressure, it is necessary to pay attention to the selection of sealing materials and the cleanliness of the sealing area to ensure the reliability of the sealing effect.

Second, the use of pressure sealing methods and skills

1. Select proper plugging materials: Select proper plugging materials based on the plugging scenario and requirements. In general, caulk is a common choice, and it can be customized according to the size and shape of the blocked area.

2. Preparation: Before plugging with pressure, you need to make preparations. First, clean the blocked area to ensure that its surface is smooth, dry and free of impurities. Secondly, the size and shape of the blocked area are measured to ensure the accuracy and suitability of the blocking material.

3. Apply pressure: Appropriate pressure needs to be applied before plugging. The size of the pressure should be determined according to the specific situation, in general, it should be determined according to the type of sealing material and the requirements of the sealing area. Too high pressure may lead to rupture or deformation of the sealing material, while too low pressure may lead to poor sealing effect.

4. Sealing operation Place the selected sealing material in the sealing area and gradually apply pressure until the desired sealing effect is achieved. During the plugging process, it is necessary to ensure that the plugging material is evenly distributed and filled to avoid gaps or uneven situations.

5. Verification of the plugging effect: After the plugging is completed, it is necessary to verify the plugging effect. The sealing effect can be judged by observing whether there is leakage, leakage or loosening in the blocked area. If any problem is found, it needs to be repaired or adjusted in time.

6. Stability measures: The stability of the workplace needs to be ensured before sealing with pressure. Staff should be equipped with appropriate personal protective equipment and comply with relevant stability codes and operating procedures. In addition, it is necessary to ensure the stability of the equipment to avoid accidents.

7. Precautions: When using pressure plugging technology, the following matters need to be paid attention to:

- The selection of sealing materials should consider factors such as pressure resistance, chemical resistance and temperature resistance;

- Before plugging, the plugging area should be fully prepared and cleaned to ensure the reliability of the plugging effect;

- The sealing material shall be customized according to the size and shape of the sealing area to ensure its suitability and tightness;

- Before plugging, the plugging area should be measured and evaluated to ensure the feasibility of the plugging effect;

- When applying pressure, attention should be paid to properly control the size of the pressure, and avoid too high or too low;

- The plugging material shall be experimentally verified prior to plugging to ensure its performance and reliability;

- During the plugging process, pay close attention to the changes and leakage in the plugging area, and take timely repair measures.

Pressure plugging technology has a wide application prospect in pipeline maintenance, repair and fluid control. The reliability and durability of the sealing effect can be improved by correctly using the methods and techniques of sealing with pressure. However, due to the complexity and risk of plugging operations, it is recommended that the necessary training and guidance be carried out before plugging with pressure to ensure the stability and technical level of the operator.

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