Pipeline pressure testing method and measuring device

Abstract

The invention discloses a pipeline pressure test method and measuring equipment, which belong to the technical field of pipeline detection, and comprise a pipe body, and a cleaning assembly for cleaning the inner wall of the pipe body is provided inside the pipe body. Both ends are respectively provided with a first sealing plate and a second sealing plate for testing the pressure bearing capacity of the pipe body. The cleaning assembly includes a catheter inserted inside the pipe body. One end of the catheter A turntable is also rotatably installed, and a plurality of spray pipes for flushing the inner wall of the pipe body are fixedly installed on the outer periphery of the turntable at equal intervals and communicated with the catheter. The debris on the inner wall of the pipe can be washed away through the nozzle, and the space inside the pipe can be compressed, and the pressure inside the pipe will continuously increase, so that the pressure bearing capacity of the pipe can be tested.

Description

technical field [0001] The invention relates to the technical field of pipeline detection, in particular to a pipeline pressure testing method and measuring equipment. Background technique [0002] The pressure pipeline is a tubular device used to transport gas or liquid under a certain pressure. Because the fluid it transports is toxic, explosive and corrosive, and has special operating conditions such as high temperature, high pressure, and low temperature, it has considerable of danger. In industrial applications, there are a large number of pressure pipelines, large pipeline systems, and complex layout. The operation process is affected by fluctuations in the production process, and the operating conditions change frequently, such as thermal expansion and contraction, alternating loads, temperature and pressure fluctuations, etc. The quality of the pressure pipeline directly affects the safety of the pipeline system. However, due to the complex and changeable operating...

AI Technical Summary

Problems solved by technology

The traditional pressure measurement method needs to reserve a pressure measurement interface on the surface of the pipeline, and measure the pressure in the pipeline through a pressure gauge connected to the pressure measurement interface. The pressure gauge can be connected to the pressure measurement interface for a long time according to actual needs, or need to measure Temporary installation of the pressure gauge at the pressure measurement interface during pressure, however, the traditional pressure measurement technology also has defects, such as; And the welding process increases the cost. For the situation where the pressure gauge does not need to be fixedly installed at the pressure measurement interface, it is necessary to use a screw plug to block the pressure measurement interface during pressure measurement, which increases the processing process and increases the assembly process.

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