The utility model relates to the field of centrifugal pumps, and discloses a quick exhaust device of a self-suction
centrifugal pump, which comprises a mounting plate, a
centrifugal pump main body is mounted at the top of the mounting plate, an
exhaust pipe is fixedly connected to the outer side of the
centrifugal pump main body, and a leakage-proof component is arranged on the outer side of the
exhaust pipe. The end, away from the centrifugal pump body, of the
exhaust pipe is in threaded connection with a nut, a connecting
pipe is fixedly connected to the outer side of the exhaust
pipe, and a collecting
assembly is arranged at the end, away from the exhaust
pipe, of the connecting pipe. According to the utility model, the exhaust pipe, the connecting pipe, the collecting box, the filter screen, the collecting drawer, the pull rod, the baffle plate, the thin shell, the spring and other structures are matched with one another, so that discharged liquid can be collected, the liquid is prevented from being discharged at will, the
environmental protection requirement is met, the cleanliness and safety of the
working environment are guaranteed, and the filter screen is easy and efficient to clean and install; and the maintenance cost and the maintenance time are greatly reduced.