主管:中华人民共和国应急管理部
主办:应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU

Fire Science and Technology ›› 2023, Vol. 42 ›› Issue (1): 89-93.

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Research on the application of laser cutting technology in fire rescue and demolition

Zheng Wei1,2 , Xu Fang1 , Zhang Yanan3 , Guo Pengju3
  

  1. (1. Shenyang Fire Science and Technology Research Institute of MEM, Liaoning Shenyang 110034, China; 2. Liaoning Key Laboratory of Fire Prevention Technology, Liaoning Shenyang 110034, China; 3. Shanxi Sheng-tian-ze Photoelectric Technology Co., Ltd., Shanxi Jincheng 048000, China)
  • Online:2023-01-15 Published:2023-01-15

Abstract:

This paper introduces the problems existing in the practical application of common rescue and demolition equipment, analyzes the principle and scope of application of laser cutting, discusses the key technology of laser demolition equipment, develops the prototype of laser demolition equipment, and carries out the performance test experiment of laser demolition equipment. The experimental results show that the laser output power of the laser demolition equipment can reach 1.5 kW, the central wavelength of the output laser is 1 080 nm, the beam quality factor M 2 =1.17; The best operating distance of the equipment is 50 ~ 80 cm, which can realize the efficient cutting of broken objects with different materials and thicknesses; The cooling system can effectively control the temperature of the laser host; The battery power supply system can ensure the continuous and stable operation of the equipment for 1 h; The control management system can monitor equipment operation status in real time to ensure equipment management controllability and operation safety.

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