Medium-frequency induction furnace liner built with machine press burnt bricks and induction furnace

The utility model relates to a medium-frequency induction furnace liner, and discloses a medium-frequency induction furnace liner built with machine press burnt bricks. The medium-frequency induction furnace liner comprises a furnace bottom and a furnace wall, a working layer and a permanent layer are respectively arranged on the furnace liner from inside to outside, the working layer is a heavy high-strength material layer, the permanent layer is a light heat insulating layer, both the working layer and the permanent layer are built with the machine press burnt bricks, and the machine press burnt bricks in the working layer and the machine press burnt bricks in the permanent layer are built in a staggered joint manner. The medium-frequency induction furnace liner is compact in structure and simple, fast and environment-friendly in construction, dies do not need to be pre-buried, construction time is shorter than 1/3 of that of dry bulk materials, dust pollution is avoided in the construction process, the fur