A circulating shell breaking system in the embodiment comprises a shell breaking part, a shell breaking part, a shell breaking part, a shell breaking part and a shell breaking partScreening departmentThe first collection roomThe second collection roomA plurality of conveying screwsStorage bin and conveying sleeve,The shell breaking part includes the upper cover, the upper cover and the upper coverThe shell breaking chamber and at least one plate tooth roller,The upper cover is provided with a metal hollow tube,It is connected to the lower part of the conveying sleeve；When a plurality of crops are cut by the plate tooth roller, the first separation substance is separatedThe second separationAfter the third separation and the fourth separation,The plurality of separations are received by the screening unit,The reciprocating moving sieve plate of the screening section is used to separate the first separation from other separations,After the second and the third separation enter the second collection chamber,Through a plurality of conveying screwsThe storage bin and the conveying sleeve are transported back to the shell breaking part for cutting again to separate the first separation material.本實施例之一種循環式破殼系統包含破殼部、篩選部、第一收集室、第二收集室、複數個輸送螺旋、儲物倉及輸送套，其中破殼部包含上蓋、破殼室及至少一板齒滾輪，其中上蓋具有一金屬中空管，其係連接於輸送套之下部；當複數個農作物受到板齒滾輪切割而分離出第一分離物、第二分離物、第三分離物及第四分離物後，上述多個分離物為篩選部所接收，上述篩選部之往復移動式篩板係用於將第一分離物與其他分離物分離，而第二分離物及第三分離物進入第二收集室後，再透過複數個輸送螺旋、儲物倉及輸送套輸回至破殼部再次進行切割而分離出第一分離物。
