Special mechanical seal for lithium battery decomposition liquid raw material pump

The utility model discloses a special mechanical seal for a lithium battery decomposition liquid raw material pump, which comprises a shaft sleeve fixedly sleeved on a main shaft, and a moving ring and a static ring which are mutually matched for sealing, and the moving ring is connected with the shaft sleeve through a moving ring seat; a compensation spring is arranged behind the static ring, sleeves the shaft sleeve and is supported by a spring seat; the static ring is connected with the circulating water jacket through a spring seat; the circulating water jacket, the shaft sleeve and the spring seat are encircled to form a flushing water area; the circulating water jacket comprises a cylinder body and a baffle ring at the front section; the throttling sleeve is arranged between the movable ring seat and the baffle ring; and a channel which can only be opened towards the direction of the medium area is arranged between the throttling sleeve and the baffle ring. The utility model is designed for the lithium