METHOD FOR REMOVING CORROSION PRODUCT AND SALT CONTENT IN NARROW PART, AND DEVICE FOR CLEANING NARROW PART

摘要

PROBLEM TO BE SOLVED: To provide a method for removing corrosion products and salt content in a narrow part and a device for cleaning the narrow part, capable of efficiently removing the corrosion products and salt content generated in the narrow part.SOLUTION: A device for cleaning a narrow part includes: hemispherical first and second covering members 21A and 21B that respectively cover a front surface side and a back surface side of a narrow part 14 on which corrosion products and salt content 15 are adhered; a liquid supply tank 23 for supplying a penetrating agent (or cleaning agent) 22 inside the first covering member 21A; and a suction pump 25 for sucking the penetrating agent (or cleaning agent) 22 passed through the narrow part into the second covering member 21B and simultaneously, introducing the penetrating agent (or cleaning agent) 22 passed through the second covering member 21B inside a suction tank 24.