Silencer with fire extinguishing function

A silencer with a fire extinguishing function comprises a silencer barrel, an air inlet pipe and an air outlet pipe are arranged at the two ends of the barrel respectively and communicated with the interior of the barrel, a partition plate and a flow guide pipe are arranged in the barrel, the interior of the barrel is divided into an air inlet cavity and an air outlet cavity through the partition plate, and the air inlet cavity and the air outlet cavity are communicated with each other through the flow guide pipe. The air inlet cavity and the air outlet cavity are communicated through the partition plate, the flow guide pipe penetrates through the partition plate and enables the air inlet cavity and the air outlet cavity to be communicated, and an included angle not smaller than 45 degrees is formed between the axis of the flow guide pipe and the axis of the silencer barrel. And sparks combusted in the tail gas continuously collide with the inner walls of the gas inlet cavity and the gas outlet cavity, so tha