Electrode insulation assembly and polycrystalline silicon reduction furnace

The utility model discloses an electrode insulation assembly and a polycrystalline silicon reduction furnace comprising the same, the electrode insulation assembly comprises a polytetrafluoroethylene sleeve, an inner insulation magnetic ring and an outer insulation magnetic ring, an electrode is a copper electrode, the copper electrode is arranged in a through hole of a base plate of the reduction furnace, the polytetrafluoroethylene sleeve is sleeved on the copper electrode, and the outer insulation magnetic ring is sleeved on the polytetrafluoroethylene sleeve. The inner insulation magnetic ring is arranged on the copper electrode in a sleeving mode, extends to the polytetrafluoroethylene sleeve and makes close contact with the upper surface of the reduction furnace chassis and the polytetrafluoroethylene sleeve, and the outer insulation magnetic ring is arranged on the copper electrode in a sleeving mode, located outside the inner insulation magnetic ring and located on the upper surface of the reduction f