燃氣示蹤線是專為查找與定位地下非金屬管線而設計的產品。有效地了非金屬管線不能用金屬管線尋管儀探查的問題，可廣泛適用于燃氣、供水管線管線及排水管線等地下非金屬管網的查找與定位。另外，關于示蹤線探測的一些問題，我們可以簡單介紹如下：

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、管道敷設完成后，應使用管道探測器對已敷設之可探示蹤線進行可探性測試，以確保金屬絲已連接妥當，應記錄測試結果。

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、將示蹤線的金屬線與管道定位儀的發射機輸入端連接，而發射機接地端應且盡可能遠離發射機，使用接地樁或者電線桿的接地，以減少接地電阻。

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、用接收器去探測接受發射信號，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.

聚乙烯材質制成的管道(簡稱PE管道)，由于其施工方便、工程造價比用鋼管低(DN300以下)、不存在腐蝕泄漏問題、對輸送物質污染小等優點，近年來在城市埋地管網建設中被廣泛應用。特別是輸送燃氣和自來水管道應用比較多，目前市政小口徑埋地管道大有取代鋼質管道的趨勢。

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.

為了PE管道埋地后能夠在地面探測到位置和埋深的問題，在鋪設施工中往往與PE管道一起埋人一條導電線(簡稱示蹤線)，為今后探測PE管道位置所用，示蹤線法是目前國內外普遍采用的探測方法。示蹤線在埋地管道施工中，如何使示蹤線以后能夠很好的起到示蹤作用，示蹤線的施工方法和探測方法選擇問題十分重要。

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.

由此可見，示蹤線的出現為我們的管道發展帶來了重大改變。如今的示蹤線已經有了很多不同的種類，用戶可以根據不同需求來選擇!

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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