ACCP purification system and method

The ACCP purification system comprises a washing tank, a first centrifugal machine, a preparation tank, a crystallizer and a second centrifugal machine, wherein the washing tank is provided with a first feeding pipe and a second feeding pipe, a first stirring device is arranged in the washing tank, the bottom of the washing tank supplies materials to the first centrifugal machine through a first pipeline, and a crystal discharging opening of the first centrifugal machine supplies materials to the preparation tank through a second pipeline; the preparation tank is provided with a third feeding pipe used for being connected with an ethanol source, a second stirring device and a first heat exchange mechanism are arranged in the preparation tank, the bottom of the preparation tank supplies materials to the crystallizer through a third pipeline, and a third stirring device and a second heat exchange mechanism are arranged in the crystallizer. And a crystal discharge port of the crystallizer supplies materials to t