To provide an ultraviolet water treatment apparatus and a monitoring device thereof capable of preventing flow out of glass pieces, mercury and treated water having contacted mercury to a post stage of the ultraviolet water treatment apparatus, even if an unexpected state happens.
The ultraviolet water treatment apparatus is provided with a water tank 30 having ultraviolet lamps 5 and protection tubes 6 protecting the lamps 5; a detector 12 detecting breakage of the ultraviolet lamps 5 and protection tubes 6 by at least one of current, voltage and light intensity within the apparatus; a determining device 14 determining the breakage of the ultraviolet lamps 5 and protection tubes 6 based on the breakage information of the ultraviolet lamps 5 and protection tubes 6 detected by the detector 12; and a control part 16 making at least one of a flow-in line controller 2 and a flow-out line controller 10 of the water tank 30 into a closed state, based on the breakage signals output by the determining device 14.
WATANABE SHOJI
YAMANOI ICHIRO
HARA NAOKI
| JPH08276185A | 1996-10-22 | |||
| JP2001225065A | 2001-08-21 | |||
| JPH09155338A | 1997-06-17 | |||
| JPH1015549A | 1998-01-20 | |||
| JP2004223502A | 2004-08-12 | |||
| JP2004188274A | 2004-07-08 | |||
| JP2007229598A | 2007-09-13 |
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