To safely and surely salvage a sunken ship at a low cost.

This salvage equipment is provided with a gaseous hydrogen storage/releasing device storing a hydrogen storage alloy 2 for storing and releasing gaseous hydrogen, a heating means to heat the alloy, gaseous hydrogen storage parts 11, 12 to store the gaseous hydrogen released from the storage/ releasing device, gaseous hydrogen moving paths 7, 8 provided between the storage/releasing device and the gaseous hydrogen storage parts 7, 8, and heating adjustment devices 14, 16, 17 to remotely operate the heating means 3. Gaseous hydrogen can be surely and safely generated, and surely transferred to the gaseous hydrogen storage part, and a sunken ship, etc., can be safely and surely salvaged at a low cost.