Los recursos de carbón de mi país son ricos en reservas, y los recursos de carbón son una parte importante de la estructura energética de mi país. En términos generales, los recursos de carbón están enterrados bajo tierra y las minas deben drenarse durante la extracción para evitar la filtración de la mina y causar problemas a la extracción de la mina. Cuando llega el invierno, las tuberías de agua suelen congelarse por no haber tomado las medidas de aislamiento térmico a tiempo. Por lo tanto, en invierno, es necesario utilizar un sistema de cable calefactor eléctrico para mantener las tuberías de drenaje de la mina aisladas y anticongelantes para garantizar el funcionamiento normal de la mina.
For the accumulated water in coal mines, the method of mechanical extraction is generally adopted. The requirements for thermal insulation and anti-freezing of pipelines are basically the same as those for anti-freezing of other liquid pipelines. It is only necessary to ensure that the water body in the pipeline does not freeze, so the temperature requirements for the heating cable are not high. , so generally choose low temperature series self-limiting temperature electric heating cable can meet the problem of drainage pipeline insulation. At the same time, considering that the mine drainage pipes are generally laid in the field, the environment is relatively harsh and humid. Therefore, the requirements for heat tracing are also higher, and the selection of shielded protective self-limiting temperature electric tracing cables is more in line with the needs of drainage pipeline insulation. In addition, the shielding protection type electric heating cable, the shielding layer plays the role of safety grounding protection, and has the function of heat transfer and heat dissipation. The reinforced protective outer sheath has high mechanical properties and can prevent crossover and damage due to other factors;
Al mismo tiempo, elegir un cable calefactor eléctrico adecuado también puede aumentar la vida útil del cable calefactor eléctrico y garantizar el efecto de calentamiento.
Therefore, for the selection of thermal insulation heating cables for coal mine drainage pipes, shielded and protective self-limiting temperature electric heating cables are undoubtedly the best choice. Winding on the surface of the pipe, the installation method here can be installed according to the temperature required by the user. Usually, our company recommends the installation method of tiling, because tiling can make the pipe easier to heat evenly, so it is widely used. When the heating cable is laid on the pipe, it needs to be fixed and pasted with tape, which can increase the heat dissipation surface. Users do not have to worry that the electric heating cable will fall off and affect the heating effect when using it.