燃气示踪线借助于电磁波感应工作原理。原因是在管道敷设时，敷设人员埋设一条具有导电性的金属线，该金属线和燃气管道并成一定的夹角，当管道与线之间有电磁波相互作用时，线上就会产生一定的电网电流，这时可以对金属线施加一个特定的信号，通过检测回波强度通过信号判断管道的位置。这种工作原理需要使用一些特殊的设备，如示迹仪、定向仪等，才能准确地探测出燃气管道的位置。

The gas tracer line operates on the principle of electromagnetic wave induction. The reason is that during pipeline laying, the laying personnel bury a conductive metal wire that forms a certain angle with the gas pipeline. When there is electromagnetic wave interaction between the pipeline and the wire, a certain amount of grid current will be generated on the wire. At this time, a specific signal can be applied to the metal wire to determine the position of the pipeline by detecting the echo intensity and the signal. This working principle requires the use of some special equipment, such as tracers, directional sensors, etc., in order to accurately detect the position of gas pipelines.

　　此外，在进行燃气管道敷设时，还需要考虑一些因素，如管道的材料、压力是否正常，以及周围环境是否有可能会对管道造成损坏等。

In addition, when laying gas pipelines, some factors need to be considered, such as whether the material and pressure of the pipeline are normal, and whether the surrounding environment may cause damage to the pipeline.

　　燃气示踪线是专为查找与定位地下非金属管线而设计的产品。它有效地了非金属管线不能用金属管线寻管仪探查的问题，可广泛适用于燃气、供水管线管线及排水管线等地下非金属管网的查找与定位。

Gas tracer lines are products designed specifically for locating and locating underground non-metallic pipelines. It effectively solves the problem that non-metallic pipelines cannot be detected by metal pipeline finder, and can be widely used for the search and positioning of underground non-metallic pipeline networks such as gas, water supply pipelines, and drainage pipelines.

　　示踪线探测：管道敷设完成后，应使用管道探测器对已敷设之可探示踪线进行可探性测试，以确保金属丝已连接妥当，应记录测试结果。将示踪线的金属线与管道定位仪的发射机输入端连接，而发射机接地端应且尽可能远离发射机，使用接地桩或者电线杆的接地，以减少接地电阻。用接收器去探测接受发射信号。可以找到管道位移量和埋深。

Tracer line detection: After the pipeline is laid, a pipeline detector should be used to conduct a detectability test on the already laid traceable lines to ensure that the metal wires are properly connected, and the test results should be recorded. Connect the metal wire of the tracer line to the input end of the transmitter of the pipeline locator, and the grounding end of the transmitter should be as far away as possible from the transmitter. Use grounding stakes or poles to reduce grounding resistance. Use a receiver to detect and receive transmission signals. You can find the displacement and burial depth of the pipeline.

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