The principle of pipeline sealing technology with pressure opening is mainly realized through the control of pipeline pressure, under the sealing pressure, the fault point can be quickly and accurately located and modified. The technology can be used for pipeline breakage, pipeline leakage, pipeline seal failure, pipeline blockage and other situations, so that the repair and modification of pipelines are more reliable, rapid, cost saving, and improve the service life of pipelines.

The sealing technology of pipeline with pressure opening is mainly divided into three stages: pressure test, fault location and fault plugging.

Stage one: Stress testing. Before plugging a pipeline with a pressure opening, a pressure test is required to ensure that the strength and tightness of the pipeline meet the requirements. The pressure test should be carried out at the designed pressure of the pipe to test whether the pipe can withstand the rated working pressure. If the test results indicate that there is a problem with the pipe, the pipe needs to be repaired until it passes the test.

Phase two: Locate the fault. This stage requires the use of high-precision detection instruments to determine the specific location of the fault point. Using radar, ultrasonic and other technologies to analyze the pipeline data, and then determine the location of the fault point. Once the point of failure has been identified, work on plugging the section can begin.

Three stages: Block the fault. Plugging the fault point is the key step of pipeline plugging technology with pressure hole, which directly affects the plugging effect and the success of subsequent work. Plugging can be achieved using coolant, filler, glue and other materials. Usually, the pipeline with pressure hole sealing technology requires the use of advanced tools and equipment to ensure the quality and effect of the sealing.

The main advantages of pipeline sealing technology with pressure holes are speed and stability. Compared with the traditional repair method, the pipeline with pressure hole sealing can quickly locate the fault point and maintain the pipeline through pressure control without interrupting the operation of the pipeline. In addition, because the pressure opening sealing technology ensures that the pressure of the pipeline does not drop during the sealing process, the use of high-risk funnels and other high-pressure equipment can be avoided, which also improves the stability of the sealing.

In the industrial field, the pipeline with pressure hole sealing technology is one of the choice methods of pipeline accident maintenance and pipeline modification. Compared with other maintenance methods, the pipeline with pressure hole sealing technology is faster, more stable, and more economical and efficient. Therefore, the technology will be more widely used and promoted in the future industrial field.

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