Railway turnout ground electric heating ice and snow melting system
A switch, ice and snow technology, which is applied in the field of electric heating ice and snow melting systems for railway switches, can solve problems such as train stop accidents, idling of moving wheels, and difficulty in train operation.
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[0020] Embodiment 1, the geoelectric heat melting ice and snow system of railway turnout, including power supply and control cabinet, also includes several heating devices 1 and ice and snow detectors, said heating device 1 is embedded in the roadbed below the turnout rail 3, so that the roadbed Up to the top of the rail 3, a thermal radiation temperature field 2 is formed, which is hot on the bottom and cool on the top. The heating device 1 includes a heating part 101 and a cold-end junction box 102 connected thereto. The heating part 101 is a MI heating cable, and the MI heating The cable includes a heating core, an inorganic magnesium oxide insulating layer and a stainless steel metal sheath. Since the MI heating cable is a pure resistance heating, and the heat transfer of magnesium oxide is very good, the MI heating cable is heated between its core and the metal sheath. The temperature difference is very small, and can convert electrical energy into heat energy to the great...
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