The invention relates to an oxidative burst wall straw collecting device, comprising a rack (1), wherein the rack is provided with a silo, the upper part of the silo is a cylinder (2), the lower part of the silo is a cone cylinder (3) which is provided with a big upper end and a small lower end, the top of the cone cylinder (3) is connected with the bottom end of the cylinder (2), a top cover (4)is arranged at the top of the cylinder (2), an exhaust pipe (5) is arranged at the center of the top cover (4) along the vertical direction, the exhaust pipe (5) extends downward to the middle lower part in the cylinder (2), the middle part of the side wall of the cylinder (2) is provided with more than one feeding holes (6), each feeding hole (6) is connected with the inner end of a feeding pipe(10), a discharging hole is arranged at the bottom end of the cone cylinder (3), and a valve (9) is arranged at the discharging hole. The invention aims at providing an oxidative burst wall straw collecting device with high collecting efficiency, low material loss and stable working performance.