High expansion foam fire extinguishing methods and high expansion foam fire extinguishing equipment to be used in it

摘要

PROBLEM TO BE SOLVED: To provide a high expansion foam extinguishing method and high expansion foam extinguishing system used for the method by which a used amount of foam solution is reduced while trying not to deteriorate extinguishing performance by high expansion extinguishing foam.;SOLUTION: The high expansion foam extinguishing method by using high expansion foam extinguishing system provided with a foaming machine 2 for discharging high expansion extinguishing foam includes: a first foam discharging step for emitting extinguishing foam at a first foaming expansion ratio; and a second foam discharge step for discharging extinguishing foam at a second foaming expansion ratio higher than the first foaming expansion ratio.;COPYRIGHT: (C)2012,JPO&INPIT