GQ model tubular centrifuge is used for separating various suspension liquid, which is difficult to be separated, especially the separation of solid-liquid suspension, which is low concentration, high viscidity, fine solid phase granule, and very small difference in solid-liquid gravity, such as clarification of various medicine liqiud and oral liquid. Extract of paint, dye, as well as various protein, algae, pectin, and purification of rubber solution, etc.