Device for preparing polymer ultrafine particles with centrifugation method

The invention relates to a device for preparing polymer ultrafine particles with a centrifugation method, and belongs to the field of polymer machines. The device mainly comprises a material mixing device, a prilling device, a receiving device, a screening device, a connecting device, a sealing device and a supporting device. One or more polymer materials are heated and melted, and then the polymer materials are evenly mixed through a mixing screw to flow to a high-speed rotating taper table from a polymer runner. Under the effect of centrifugal force, polymer fluid is dispersed into the ultrafine particles. The ultrafine particles are collected through a collecting box through a flow guiding plate, and then the ultrafine particles are screened through the screening device into particles within different diameter scope. The device has the beneficial effects that the device structure is relatively simple, industrial production and automatic control are conveniently achieved, and the prepared polymer ultrafine particles are high in purity, not prone to gather and controllable in particle diameter. The polymer ultrafine particles prepared through the device can be applied to the fields of medical drug carriers, reaction catalyzing and the like.