HTF as an excellent heat carrier, with low-temperature, high thermal efficiency, heat evenly, easy to control the temperature, and low investment. HTF has become a modern industrial heating equipment from the rapid development of the indispensable medium heat carrier, is widely used in petrochemical, building materials, textile, food processing and plastics, paper, Wen Tong and other industries. However, due to thermal oil heating equipment HTF is a combustible organic matter, not only occur in the course of pyrolysis, condensation, oxidation of reduced performance, and even the loss of use value, but also has a special fire, explosion potential hazards. Therefore strengthen conducting oil heating equipment for use in the process of protection and monitoring of utmost importance. In actual application process, life conducting oil heating equipment is a matter of concern to most users, because it is directly related to the economic efficiency of enterprises. HTF is running but the heat conduction in the system. Performance of its service life is not only determined by reasonable thermal fluid heating device provided in the thermal fluid used will affect the life and safe operation of the system.