noun
fire-tube boiler
A boiler in which hot combustion gases pass through tubes surrounded by water; common in small to medium industrial and marine applications.
この工場では煙管ボイラーを使って蒸気を発生させている。
This factory uses a fire-tube boiler to generate steam.
A water-tube boiler, where water flows inside tubes heated externally by combustion gases; typically used for higher pressures and larger capacities than fire-tube boilers.
Compound of 煙管 (smoke tube) and ボイラー (boiler), a calque of English 'fire-tube boiler'.