The invention relates to a detachable drying medium forced circulation device system of a cabin wood drying system. The detachable drying medium forced circulation device system comprises a box-type framework, a ventilation device and flow blocking plates; the ventilation device is installed on the box-type framework; the flow blocking plates are installed on the box-type framework; the planes of the flow blocking plates are perpendicular to the airflow direction of the ventilation device; the flow blocking plates are provided with ventilation holes; the sizes of the ventilation holes are consistent with the outer diameters of wind collecting hoods of the ventilation device; and the box-type framework is provided with bolt hole positions. The detachable drying medium forced circulation device system of the cabin wood drying system has the beneficial effects that the supporting face is wide, the device is stable in all direction, simple in structure and capable of being disassembled to be transported along with a ship and capable of being assembled according to the cabin structure, the function of driving drying media to cyclically dry wood in a cabin drying device is achieved, and the detachable drying medium forced circulation device system for drying cabin wood is provided for the cabin wood drying system which utilizes ship power system waste heat and electric energy to dry and perform harmless treatment on the wood in the long-distance wood transporting.