Ceramic heating assembly

The utility model relates to the technical field of ceramic heating, in particular to a ceramic heating assembly. According to the technical scheme, the electric heating device comprises a hollow ceramic tube, a first end cover and a second end cover are installed at the two ends of the hollow ceramic tube respectively, a ceramic rod is installed in the hollow ceramic tube, a spiral groove is formed in the outer wall of the ceramic rod, an electric heating wire is wound in the spiral groove, a lead is arranged at one end of the electric heating wire, and the other end of the electric heating wire is connected with the lead. The other end of the lead penetrates through a wire outlet hole in the center of the surface of the first end cover and extends to the outside, a first sealing ring is arranged at the joint of the lead and the first end cover, and a second sealing ring is arranged at the joint of the first end cover and the hollow ceramic tube. The electric heating wire is convenient to overhaul, damaged p