The utility model belongs to the technical field of the offshore platform is built, a offshore platform discharging equipment is disclosed, stretch into the blowdown box of delivery pipe including the bottom, the delivery pipe top is provided with the liquid seal lid, and liquid seal lid bottom extends to blowdown box bottom face and places in blowdown box bottom face, and liquid seal lid lower part hoop is even has seted up the outage, the liquid seal lid includes the pipe cap and welds in the nozzle stub of pipe cap lower part to set up the outage on the nozzle stub. The utility model discloses an optimize traditional discharging equipment, the out of use baffle supports as the liquid seal lid, and supports the change with the liquid seal lid and for integrative movable with the liquid seal lid, can directly together take out when the clearance debris, has solved the problem that traditional discharging equipment can't effectively clear up debris fast, and is easy and simple to handle, improves work efficiency, reduces and welds the degree of difficulty, and the reduction cost of manufacture can be used widely in ocean module drilling machine, workover rig discharge system.