The invention discloses a movable type sulfur hexafluoride and carbon tetrafluoride mixed gas quick recovery device which comprises a mixed gas recovery system, a mixed gas separation system, a refrigerating unit, a sulfur hexafluoride special compressing and charging system, a carbon tetrafluoride special compressing and charging system and a vacuum-pumping system. The movable type sulfur hexafluoride and carbon tetrafluoride mixed gas quick recovery device realizes functions of the field quick recovery of a mixed insulating gas, the simple separation of a mixed gas, the storage of a separated gas, and the like. A CF4 (carbon tetrafluoride) special high-pressure compressor and an SF6 (sulfur hexafluoride) liquid filling machine which are applied in a process can greatly reduce the volumes of storage containers. Thus, the movable type sulfur hexafluoride and carbon tetrafluoride mixed gas quick recovery device solves problems that a recovery velocity of a gas is slow and the quantity of the storage containers is large when mixed insulating electrical equipment is inspected and repaired; the inspection and repair efficiency of the mixed insulating electrical equipment is improved; furthermore, the separate storage of the mixed insulating gas is also beneficial to the purification and regeneration work of the mixed insulating gas.