The invention relates to the field of automobile accessories, in particular to an automobile exhaust purifier capable of automatically removing coarse carbon particles. The automobile exhaust purifiercomprises a left outer cylinder, a right outer cylinder and a
honeycomb carrier, the left outer cylinder and the inner wall of the right outer cylinder communicate and are connected detachably, innercylinders are installed in the left outer cylinder and the right outer cylinder, and the
honeycomb carrier is arranged between the two inner cylinders.
Honeycomb holes of the
honeycomb carrier are internally coated with catalyst
layers. Electromagnets and outer magnets are arranged on the inner cylinders and in a cavity of the left outer cylinder and a cavity of the right outer cylinder, an innermagnet is arranged in each inner cylinder, a coarse carbon filter net is arranged on each inner
magnet, and the inner magnets and the outer magnets correspond to each other in position. Coarse carbonparticles on the inner cavities and the coarse carbon filter nets can be automatically removed, the coarse carbon particles are prevented from affecting the activity of catalysts after being broughtinto a catalytic device, meanwhile, the catalytic device can be rapidly disassembled to remove the coarse carbon particles, and the catalyst activity of the catalytic device is ensured, and
hydrocarbon,
NOx,
carbon monoxide and the like in automobile exhaust can be better purified.