Oil sludge buffer storage tank

The utility model belongs to the technical field of oil sludge storage, and particularly discloses an oil sludge buffer storage tank which comprises a tank body and a protective shell, a protruding pipe is arranged at the top end of the tank body, a feeding pipe is arranged at the top end of the protruding pipe, a feeding hole is formed in the surface of the feeding pipe, the feeding pipe and the protruding pipe are in threaded connection, the interiors of the tank body, the protruding pipe and the feeding pipe are communicated, a protective shell is arranged on the outer side of the tank body, and a plurality of buffering assemblies are evenly distributed between the side face of the tank body and the protective shell. The buffer assembly comprises a fixing plate, a buffer spring, a sleeve, a gasket and a positioning rod; a sleeve is fixedly installed on the surface of the fixing plate, gaskets are arranged on the two sides of the middle of the side face of the sleeve, a positioning rod is arranged in the sl