Surface floating ash treatment device for loose body of preform

The utility model relates to a device for treating floating ash on the surface of a loose body of a preform rod, which comprises a purging chamber, a vacuum dust collection interface is arranged at the bottom of the purging chamber; the annular purging device is connected with the lifting mechanism and installed in the purging chamber, and the lifting mechanism drives the annular purging device to ascend and descend in the height direction of the purging chamber; in addition, the preform loose body penetrates through the annular purging device; wherein the annular purging device comprises an annular body, the annular body is provided with a gas outlet, the gas outlet faces the preform loose body, and the gas outlet and the horizontal plane where the bottom of the purging chamber is located form a preset angle and incline towards the bottom of the purging chamber. According to the utility model, floating ash on the surface of the loose body of the preform is purged in a relatively closed space. 本实用新型涉及一种预制棒疏松体