| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need for pressure air and a valve controlling the pressure air if radioactive waste water is not transported, and to reduce constrains on a layout of a facility. SOLUTION: This steam jet comprises a nozzle body 9 injecting steam 18; a diffuser tube 7 sucking a radioactive waste water 2 sucked due to decreasing of pressure by the steam 18 injected from the nozzle body 9 and transporting into a tank; and a plug 19 which opens the nozzle body 9 against a springing force of a coil spring 20 when the steam 18 is injected from the nozzle body 9 into the diffuser tube 7, and close the nozzle body 9 by the springing force of the coil spring 20 when the steam 18 in not injected.
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