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燃氣專用示蹤線的主要作用及介紹

來源:http://m.xqpxqpp.cn/ 發(fā)布時間:日期:2023-11-13 0
示蹤線概念
Tracer Line Concept
隨著PE管道在天然氣及供水行業(yè)的進一步普及,燃氣中/低壓管網(wǎng)由PE管逐步取代鋼管及鑄鐵管;由于PE管不導電,不導磁,無法對PE管進行示蹤,給日后的管道維修帶來不便,因此示蹤線也隨之出現(xiàn)。目前市場上常用的“示蹤線”有銅包鋼材質(zhì)示蹤線,薄膜鋼絲壓制示蹤線,電線示蹤線。
With the further popularization of PE pipelines in the natural gas and water supply industries, PE pipes are gradually replacing steel pipes and cast iron pipes in gas medium/low pressure pipeline networks; Due to the non conductivity and non magnetism of the PE pipe, it is not possible to trace the PE pipe, which brings inconvenience to future pipeline maintenance. Therefore, tracing lines also appear. The commonly used "tracer wires" in the current market include copper clad steel material tracer wires, thin film steel wire pressed tracer wires, and wire tracer wires.
示蹤線作用
Tracer line effect
“示蹤線”用于對PE管道的探測、示蹤及定位;
The "tracer line" is used for detecting, tracing, and locating PE pipelines;
“示蹤線”同PE管一起鋪設;一般會采用金屬線芯,通過探測設備給“金屬線”施加信號,由探測接收機接收信號,從而找到示蹤線的準確位置,即同步示蹤到PE燃氣管道的具體位置;以便于對PE管道進行改造及維修。
The "tracer line" is laid together with the PE pipe; Generally, metal wire cores are used to apply signals to the "metal wire" through detection equipment, and the detection receiver receives the signal to find the accurate position of the tracing line, that is, synchronously tracing to the specific position of the PE gas pipeline; To facilitate the renovation and maintenance of PE pipelines.
示蹤線的發(fā)展已經(jīng)歷三代:
The development of tracer lines has gone through three generations:
1.代示蹤線:是由鋁箔和塑料薄膜的母體組成,鋁箔主要是傳輸信號,母體是固定鋁箔。這種示蹤線缺點:鋁箔強度非常低,即使在生產(chǎn),運輸過程中也很容易斷裂,輔設易損傷,同時鋁箔的電阻非常大,有效探測距離和深度有限。
1. First generation tracer line: It is composed of a matrix of aluminum foil and plastic film, with aluminum foil mainly used for signal transmission and the matrix being fixed aluminum foil. The disadvantage of this tracer line is that the strength of aluminum foil is very low, and even during production and transportation, it is easy to break, and the auxiliary equipment is easily damaged. At the same time, the resistance of aluminum foil is very high, and the effective detection distance and depth are limited.
燃氣示蹤線
2.第二代示蹤線:是由鋼絲和塑料薄膜壓制而成,該示蹤線由鋼絲為導體,電阻大,探測距離有限,難以滿足實際需要。
2. Second generation tracer line: It is made by pressing steel wire and plastic film. The tracer line is made of steel wire as the conductor, with high resistance and limited detection distance, making it difficult to meet practical needs.
3.第三代示蹤線:是由銅包鋼金屬線芯和PE外保護層組成,外觀成線狀。以下以HX-13II示蹤線為例
3. Third generation tracer wire: It is composed of copper clad steel metal wire core and PE outer protective layer, with a linear appearance. Taking the HX-13II tracer line as an example
示蹤線結(jié)構(gòu)
Tracer line structure
1、PE外保護層,絕緣、防腐、防水、抗老化
1. PE outer protective layer, insulation, anti-corrosion, waterproof and anti-aging
2、銅層,增強導電性,提高電信號
2. Copper layer enhances conductivity and improves electrical signal
3、鋼芯,增強線體強度
3. Steel core to enhance the strength of the wire body
4、雙線連體結(jié)構(gòu),可以使兩條線同等受力,受力均勻
4. Double line connected structure, which can ensure that two lines are equally and uniformly stressed
示蹤線優(yōu)勢
Advantages of tracer lines
1、電阻小
1. Low resistance
2、抗拉強度高
2. High tensile strength
3、抗腐蝕抗老化能力強
3. Strong corrosion resistance and aging resistance
4、雙線優(yōu)勢
4. Double line advantage
5、連接處有專用防護接頭連接
5. There is a dedicated protective joint connected at the connection point
連接方式
Connection method
示蹤線有專用的防護接頭,用于線于線之間的連接,接頭具備防水防腐的密閉腔體,將示蹤線裸露線頭放置于密閉腔體內(nèi),從而保護裸露的失蹤線頭無法被腐蝕,接頭由PE材料制造,本身具備抗腐蝕、抗老化能力。
The tracer line has a special protective connector for the connection between lines. The connector has a waterproof and anti-corrosion sealed chamber. The exposed wire ends of the tracer line are placed in the sealed chamber, so as to protect the exposed missing wire ends from corrosion. The connector is made of PE material and has corrosion resistance and aging resistance.

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