Novel efficient and clean three-way catalyst

The utility model relates to the technical field of three-way catalytic converters, in particular to a novel efficient and clean three-way catalytic converter which comprises a shell, a flow guide block is fixedly connected to one side of the inner wall of the shell, a block body is fixedly connected to one side of the bottom of the inner wall of the shell, and a purification net plate is in clearance fit with the outer wall of the block body. A first barrel is fixedly connected to one end of the shell, an air inlet pipe is fixedly connected to the inner wall of one end of the first barrel, and a detachable structure is arranged on one side of the shell. Through cooperation of a shell, a flow guide block, an air inlet pipe, a first barrel, a block body, an exhaust pipe, a second barrel, a purification net plate, a rubber ring and a disassembly structure, when the device is used, a nut can be rotated, the nut is moved out of the outer wall of a lead screw, a plate body is moved upwards, the plate body drives t