| 摘要 |
PROBLEM TO BE SOLVED: To provide a boiler system capable of reducing vibration and noise occurring according to circulation of drain.SOLUTION: A boiler system 1 includes: a boiler 11; a drain tank 20 for recovering drain generated by condensation by load equipment 40 using steam without releasing the drain to the air; a drain recovery line L2 for connecting the load equipment 40 and the drain tank 20; a drain supply line L3 for supplying the drain accommodated in the drain tank 20 to the boiler 11; a drain pump 31 for raising pressure of the drain circulating in the drain supply line L3; an open tank 30 released to the air and for storing make-up water supplied to the boiler 11; a drain escape line L8 for connecting a downstream side of the drain pump 31 in the drain supply line L3 and the open tank 30; and a drain escape valve 81 arranged in the drain escape line L8. |
