Fuel oil activating device

The utility model relates to the technical field of fuel oil treatment, in particular to a fuel oil activating device. The fuel oil activating device is composed of a metal shell, a plurality of magnetic piece sets and metal washers, wherein the magnetic piece sets and the metal washers are installed in the shell. The magnetic piece set is composed of five magnetic pieces A, B, C, D and E, every two adjacent magnetic pieces attract each other due to the fact that the magnetic polarities of the contact faces are different, and a reinforced magnetic field is formed in a through hole between every two adjacent magnetic pieces. A plurality of magnetic piece sets are installed together in a series connection mode, the magnetic piece sets are separated through metal washers, the number of the installed magnetic piece sets can be selected between 2 and 50, and the action effect is better when the number is larger. Due to the special structure formed after installation in the mode, the contactarea between fuel oil (p