Exhaust gas purifier

The utility model provides an exhaust gas purifier includes: annular slab, admit air a section of thick bamboo, aiutage, exhaust gas purifier and coupling assembling, annular slab locate admit air a section of thick bamboo and aiutage one end respectively, and the exhaust gas purifier both ends are equipped with the annular slab, and exhaust gas purifier one end is connected through the annular slab and the section of thick bamboo that admits air, and the exhaust gas purifier other end passes through the annular slab to be connected with the aiutage, and coupling assembling is connected with the annular slab. Wherein, coupling assembling includes: the T type hinders and leaks packing ring, V type embedding clamp, stainless steel hoop, closing device and T type bolt. The utility model discloses comparing with the conventional art, having designed especial coupling assembling as exhaust gas purifier's fixed connection device, the commonality is good, leak protection gas, convenient to detach with change purifie