1实用性和应用领域目前,大火灾并不罕见。众所周知,灭大火需要大量消防设备,因为隔离火场需要喷射很多灭火剂。自然,使用大功率消防泵所需要的消防车和人员就相对较少,从而有更多的后备力量来保证其它设施安全。一直以来,保护石油天然气工业、木材加工企业、机场等大型设施的消 1 practicality and application areas At present, a big fire is not uncommon. It is well known that extinguishing a fire requires a large amount of firefighting equipment because it requires spraying a large amount of fire extinguishing agent. Naturally, the use of high-power fire pumps requires relatively few fire engines and personnel and more reserve power to keep other facilities safe. All along, to protect the oil and gas industry, timber processing enterprises, airports and other large facilities to eliminate