| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a liquid gas injection device which prevents influences of the occurence of dew condensation and stably injects a liquid gas.SOLUTION: A liquid gas injection device includes: a supply pipe 21 which supplies a liquid gas LN; and a rotation nozzle head 20 which is rotatably attached to a tip of the supply pipe 21 and is provided with multiple nozzles 25, 26 for injecting the liquid gas LN. The rotation nozzle head 20 is rotated by a reaction force generated when the liquid gas LNis injected from at least parts of the nozzles 26 of the multiple nozzles 25, 26.</p> |
