Method and device for detecting inclination direction of inner floating roof of gas holder in real time

The invention discloses a method and device for detecting the inclination direction of an inner floating roof of a gas holder in real time, and relates to the technical field of gas holders. The device comprises a gas holder wall, an explosion-proof magnetostrictive liquid level meter, a power distribution isolator, a PLC module and an industrial personal computer; an industrial personal computer display screen is arranged on the outer surface of the industrial personal computer; the industrial personal computer display screen is electrically connected with the PLC module through a wire; the PLC module is arranged in a PLC cabinet; the PLC module is electrically connected with an output terminal of the power distribution isolator through a two-core shielding cable; the inner wall of the gas holder wall is fixedly connected with an inner floating roof; an oil groove is formed in the inner floating roof; and the anti-explosion magnetostrictive liquid level meter is installed in the oil groove. According to the