| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet lamp for water treatment in which a maintenance space is small; and a ballast water treatment apparatus using the same.SOLUTION: An ultraviolet lamp for water treatment includes: an ultraviolet lamp unit; and two or more cylindrical chambers that dispose the ultraviolet lamp unit in an inside and are for irradiation of ultraviolet to water to be treated, is that these chambers have an attaching and detaching apertural area of the ultraviolet lamp unit in at least one of cylindrical ends thereof, and are connected in serial so that the water to be treated may flow consecutively in these two or more chambers, and the ultraviolet lamp unit is configured to be attached and detached by the attaching and detaching apertural area, and used. |
