Autonomous decontamination installation

The invention refers to an autonomous decontamination installation designed for the degasification of oil recipients, and for washing and decontamination of civil or military equipment, machinery, roads, spaces and buildings. The installation is made up of a steam and hot water generator (A) supplied with cold water from a natural source or from its own buffer tank (5), via a cold water circuit (B) that is supplied with liquid fuel and air through a combustion circuit (C), the cold water, fuel and combustion air pumping operations are performed by a pumping set (D) so that, in the end, the installation supplies decontaminated heating agent at an average pressure, in a first state based on warm water, a second state based on hot water, and a third state based on superheated steam, via an end circuit (E) consisting of an ejector (72) that is fed, by means of a vibrating dispenser (74), from a tank containing decontamination substances (75), a jet device (78) and a connecting device (80), which ensures connection with the decontamination recipient, the installation being also equipped with a cold water device (26).