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。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。另外，关于示踪线探测的一些问题，我们可以简单介绍如下：

Fuel gas tracing line is a product specially designed for finding 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 to find and locate underground non-metallic pipe networks such as gas, water supply pipeline and drainage pipeline. In addition, we can briefly introduce some problems of tracer line detection as follows:

1、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。

1. After the pipeline is laid, the detectability test of the laid detectable trace line shall be carried out with the pipeline detector to ensure that the metal wire has been connected properly, and the test results shall be recorded.

2、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。

2. Connect the metal wire of the tracer line with the transmitter input end of the pipe locator, and the transmitter ground end should be as far away from the transmitter as possible. Use the grounding pile or the grounding of the electric pole to reduce the grounding resistance.

3、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。

3. Using the receiver to detect and receive the transmitted signal, we can find the displacement and buried depth of the pipeline.

聚乙烯材质制成的管道(简称PE管道)，由于其施工方便、工程造价比用钢管低(DN300以下)、不存在腐蚀泄漏问题、对输送物质污染小等优点，近年来在城市埋地管网建设中被广泛应用。特别是输送燃气和自来水管道应用比较多，目前市政小口径埋地管道大有取代钢质管道的趋势。

Pipes made of polyethylene (hereinafter referred to as PE pipes) have been widely used in the construction of urban buried pipe networks in recent years because of their advantages such as convenient construction, lower engineering cost than steel pipes (below DN300), no corrosion leakage problems, and less pollution to transported substances. In particular, gas and water pipelines are widely used. At present, municipal small-diameter buried pipelines have a trend to replace steel pipelines.

为了PE管道埋地后能够在地面探测到位置和埋深的问题，在铺设施工中往往与PE管道一起埋人一条导电线(简称示踪线)，为今后探测PE管道位置所用，示踪线法是目前国内外普遍采用的探测方法。示踪线在埋地管道施工中，如何使示踪线以后能够很好的起到示踪作用，示踪线的施工方法和探测方法选择问题十分重要。

In order to solve the problem of detecting the position and depth of PE pipeline on the ground after it is buried, a conducting wire (hereinafter referred to as tracer line) is often buried together with PE pipeline in the laying construction, which is used to detect the position of PE pipeline in the future. Tracer line method is a commonly used detection method at home and abroad at present. In the construction of buried pipelines, how to make the tracer line play a good role in the future, and the selection of construction methods and detection methods of the tracer line is very important.

由此可见，示踪线的出现为我们的管道发展带来了重大改变。如今的示踪线已经有了很多不同的种类，用户可以根据不同需求来选择!

It can be seen that the emergence of tracer lines has brought significant changes to our pipeline development. Nowadays, there are many different types of trace lines, and users can choose according to different needs!

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