Annealing device and annealing method

The invention relates to an annealing device which comprises a base, a hearth, two furnace doors and two bracket tables, wherein the hearth is arranged on the base; the two furnace doors are separately arranged on two opposite sides of the hearth and the hearth can be closed when the furnace doors are closed; the two bracket tables are arranged on the base and are separately used for placing to-be-annealed quartz rods. When the two furnace doors are both opened, one of the two bracket tables moves to the hearth from one of the two furnace doors and the other moves out of the hearth from the other of the two furnace doors. The invention also provides an annealing method. The annealing device and the annealing method can improve the annealing efficiency. 种退火装置包括：基座；设置在所述基座上的炉膛；两炉门，所述两炉门分别设置在所述炉膛两相对侧，所述炉门关闭时能够封闭所述炉膛；两支架台，所述两支架台设置于所述基座上，且分别用于放置待退火的石英棒；其中当所述两炉门均开启时，所述两支架台中的个能够从两炉门中的其中个移进所述炉膛而两支架台中的另个从两炉门中的另个移出所述炉膛。本发明还提供种退火方法，所述退火装置及退火方法能够提高退火效率。