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Distributed fiber monitoring concept (fiber lidar)


  This project uses optical fiber as the sensing element and at the same time as an information transmission channel to monitor the operating characteristics parameters such as temperature and vibration along the pipeline in real time. When the pipeline leaks or is damaged by a third party, the ambient temperature or vibration at the leakage point (destroy point) When the characteristics change, the signal processing host deployed in the computer room monitors the temperature or vibration changes of various points on the optical cable laid along the pipeline in real time, quickly makes alarms and accurately locates, and can be linked with safety control equipment to prevent catastrophic accidents. occur.


Technical schematic diagram:



Application range:

  It can be widely used for oil and gas pipeline leakage, fire warning of cable pipelines, cable bridges, tunnels, power distribution rooms, and temperature monitoring of boilers, chemical reactors, brewing processes, etc. At the same time, distributed optical fiber sensing series can also be widely used in petroleum Monitoring of illegal intrusions in warehouses, ammunition depots, national borders, and monitoring of anchor damage to submarine optical cables and submarine photoelectric composite cables, thereby ensuring the safety of life and property of the country and the people.


Introduction of core R&D system:


Main system introduction

Detection distance

Positioning accuracy

Remarks

Narrow linewidth backscatter self-coherent distributed optical fiber detection system

50km

±10

 

Double fiber MZ distributed fiber detection system

80km

±50

 

Distributed Raman fiber temperature measurement system

20km

Minimum temperature 3 meters

±1

 


  In response to the application needs of market customers, our company cooperates with Dr. Anhui Tao Environmental Protection Technology Co., Ltd. (hereinafter referred to as Dr. Anhui Tao) to carry out joint product development and promotion, connecting pre-prevention and post-repair in related application fields, and reducing it to a greater extent. Disaster risk, reduce accident losses. Our company's products are mainly based on monitoring and early warning, and have achieved early warning. Dr. Anhui Tao's main products are nano-ceramic anticorrosive composite materials, which can be repaired in time and efficiently. The product is environmentally friendly and is widely used in thermal power, petroleum, chemical, pharmaceutical and other industries. It is a new technology revolution in the protection and reinforcement of key equipment in the field of heavy anti-corrosion, repairing and repairing old leaks. In addition, the inorganic zinc-rich water-based paint produced by Dr. Anhui Tao is environmentally friendly and easy to apply. It can be sprayed with rust to achieve rapid anti-corrosion and repair effects.