Oil-soluble chemical cleaning agent and cleaning method for refining device equipment

The invention discloses an oil-soluble chemical cleaning agent for refining equipment and a cleaning method, and belongs to the technical field of petrochemical equipment cleaning. Cleaning mother liquor is introduced into the refining equipment, oil-soluble chemical cleaning liquid is added into the cleaning mother liquor after normal circulation to form circulating cleaning liquid, the circulating cleaning liquid is heated, and the oil-soluble chemical cleaning liquid is heated to form the oil-soluble chemical cleaning agent for the refining equipment. And circulating cleaning is conducted, the brightness of the circulating cleaning liquid is detected, circulation is stopped when the brightness of the circulating cleaning liquid is not changed, and the circulating cleaning liquid is discharged into a dirty oil tank. The cleaning method provided by the invention is energy-saving and environment-friendly, the used cleaning solution can be mixed with crude oil for recycling, energy conservation and emission re