Dry rolling granulator for preparing granular threonine

The utility model discloses a dry rolling granulator for preparing granular threonine. The dry rolling granulator comprises a feeding bin, an elevator, a stirring bin I, a stirring bin II, a rolling machine, a crusher and a screening machine, the feeding bin corresponds to a hopper arranged on the elevator through quantitative stirring; one side of the top of the elevator corresponds to the stirring bin I; the stirring bin I is communicated with the stirring bin II through degassing stirring; the stirring stock bin II is correspondingly connected with the roller press through the forced feeder; the roller press is connected with the crusher; and a screening machine is arranged at the outlet end of the crusher. The device is reasonable in design, compact in structure, simple in technological process and convenient to operate. Powder raw materials are processed by the equipment without additives, and are directly processed into uniform particles by mechanical compression, so that the chemical properties of raw