Kiln tail dust remover with emergency function

The kiln tail dust remover with the emergency function comprises a steel frame, a box body, a barometer and an emergency chamber, the box body is arranged on the steel frame, the box body is of a cavity structure with an opening in the top face and the bottom face, and a first partition plate and a second partition plate which are parallel to the horizontal plane are arranged in the box body from top to bottom. A first filter bag with a downward opening is arranged between the first partition plate and the second partition plate, an air inlet is formed below the second partition plate on the side wall of the box body, an exhaust port is formed between the first partition plate and the second partition plate on the side wall of the box body, and a first valve is arranged on the exhaust port; an emergency air port is formed between the first partition plate and the second partition plate on the side wall of the box body, a second valve is arranged on the emergency air port, a barometer is arranged above the fir