The patent abstract shows that the crushing system used for the production of sponge titanium includes a discharge short on the upper part of the elevator, a color sorter below the discharge short, a waste cutting trough below the color sorter, a conical barrel type cutting pipe is arranged below the waste cutting trough, a waste hopper is arranged below the conical barrel type cutting pipe, a color sorter platform and a non-conforming product cutting trough and a qualified product cutting trough are arranged below the color sorter, and a discharging pipe with a rotating mechanism is arranged below the qualified product cutting trough. A silo is arranged below the unloading pipe with a rotating mechanism; a belt conveyor is arranged below the unloading trough for unqualified products; a unloading trough is arranged below the belt conveyor; a crusher is arranged below the unloading trough; a crusher unloading trough is arranged below the crusher; and a lifter is arranged at the lower part of the crusher unloading trough. The three different products obtained by this crushing system can be divided into two parts.