Leakage detection method for special electronic gas transmission pipeline
A technology of electronic gas and pipeline, which is applied in the field of machinery, can solve the problems such as the inability to transport special electronic gas, and achieve high practical value, simple leak detection, and high leak detection accuracy
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Embodiment 1
[0034] The leak detection method of the special electronic gas delivery pipeline comprises the following steps:
[0035] A. Pipeline plugging: erect the pipe, and close the lower end of the pipe by blocking;
[0036] B. Coating the covering layer: apply the viscous coating medium evenly on the outside of the pipe, and form a covering layer on the outside of the pipe evenly covering the outside of the pipe;
[0037] C. Inject leak detection liquid: inject the liquid leak detection liquid into the pipe from the upper end of the pipe;
[0038] D. Visual inspection of the covering layer: After the covering layer is naturally solidified, a shell matching the outside of the pipe is formed. Visually check whether there are obvious air holes on the shell.
[0039] In the step A, a rubber plug is used to close the lower end of the pipeline.
[0040] The thickness of the covering layer in the step B is 1 cm.
[0041] Coating medium in the described step B is the thick thing that the ...
Embodiment 2
[0051] The leak detection method of the special electronic gas delivery pipeline comprises the following steps:
[0052] A. Pipeline plugging: erect the pipe, and close the lower end of the pipe by blocking;
[0053] B. Coating the covering layer: apply the viscous coating medium evenly on the outside of the pipe, and form a covering layer on the outside of the pipe evenly covering the outside of the pipe;
[0054] C. Inject leak detection liquid: inject the liquid leak detection liquid into the pipe from the upper end of the pipe;
[0055] D. Visual inspection of the covering layer: After the covering layer is naturally solidified, a shell matching the outside of the pipe is formed. Visually check whether there are obvious air holes on the shell.
[0056] In the step A, a rubber plug is used to close the lower end of the pipeline.
[0057] The thickness of the covering layer in the step B is 3 cm.
[0058] Coating medium in the described step B is the thick thing that the ...
Embodiment 3
[0068] The leak detection method of the special electronic gas delivery pipeline comprises the following steps:
[0069] A. Pipeline plugging: erect the pipe, and close the lower end of the pipe by blocking;
[0070] B. Coating the covering layer: apply the viscous coating medium evenly on the outside of the pipe, and form a covering layer on the outside of the pipe evenly covering the outside of the pipe;
[0071] C. Inject leak detection liquid: inject the liquid leak detection liquid into the pipe from the upper end of the pipe;
[0072] D. Visual inspection of the covering layer: After the covering layer is naturally solidified, a shell matching the outside of the pipe is formed. Visually check whether there are obvious air holes on the shell.
[0073] In the step A, a rubber plug is used to close the lower end of the pipeline.
[0074] The thickness of the covering layer in the step B is 2 cm.
[0075] Coating medium in the described step B is the thick thing that the ...
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