Ceramic vortex flow device

The utility model relates to a ceramic cyclone, and belongs to a sand removing device for a well drilling device of an oil industry system. The utility model is mainly composed of a spiral shell, an upper conic barrel, a lower conic barrel and a bottom flow mouth. An upper cover (4) of an upper cyclone and an overflow pipe (3) are connected with an overflow connection pipe (2). The lower end of the upper cover (4) of the cyclone is connected with the upper conic barrel (6) and the lower conic barrel (7). The lower end of the upper cover (4) of the cyclone is connected with the upper conic barrel (6) and the lower conic barrel (7) into a whole. The upper cover (4) of the cyclone and the upper conic barrel (6) are respectively and internally lined with polyurethane (11), and the lower conic barrel (7) is internally lined with compound ceramic (10). The utility model has the advantage that fine particles contained in well drilling fluid is separated from the well drilling fluid, the sand content in the drilling fluid is reduced, and thus the drill jamming accidents are reduced and the service life is extended; the additive dosage for well drilling fluid is saved; the drilling rate of a well drilling mechanism is raised; the economic benefit is effectively raised.