| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for spray washing capable of surely preventing a problem from elevating temperature of washing water when a return pipe communicates with a pump back and forth via an unloading valve. SOLUTION: An apparatus for spray washing is arranged with a return pipe 11 communicating with a pump 8 back and forth via an unloading valve 12 and allows load to escape loaded on the pump 8 by flowing effluent in the return pipe 11 when a hand value of a spray gun 10 is closed. The apparatus for spray washing is arranged with a thermistor 13 at the return pipe 11 and is provided with a control means 14 which stops the pump 8 when the washing water flowing in the return pipe 11 becomes more than prescribed temperature. COPYRIGHT: (C)2006,JPO&NCIPI
|
