Application Investigation Of The Simplified Sprinkler System In Dwelling Construction

Water is the most economical, environmental protection and richest fire fighting medicinal preparation. At present, hydrant fire fighting system is most popular in China.It widely applies to diverse industrial and civil constructions , however it must be operated by professional fireman. And its success ratio of fire fighting is not ideal. Automatic fire-extinguishing sprinkler systems is the second popular and it used in public constructions, tall buildings and workshops. Fire can be initiative, quickly and promptly extionguished by this system, so it is the most efficient initiative fire-extinguishing system. As a result of diverse reasons , however automatic fire-extinguishing sprinkler systems is not popular in dwelling houses.Characteristic of fire in dwelling houses is that fire happens frequently, occupants concentrate and difficultly evacuate from houses and the cost of property is huge .Invew of the characteristic, some standards have been promulgated in America and Britain. For example, there are《NFPA 13D, Standard for the Installation of Sprinkler Systems in One-and Two-fammily Dwellings and Mobile Houses》and《NFPA 13R , Standard for the Installation Sprinkler Systems in Residential Occupancies up to and Including Four Stories in Height》in America ; And《BS DD251:2000 Sprinkler systems for Residencial and Domestic Occupancies---Code of practice》has been promulgated in Britain. Automatic fire-extinguishing sprinkler systems have been proved that it is efficient to stamp out fire in dwelling houses.The differences between Simplified Sprinkler System and General Sprinkler System are composition of system , characteristic of nozzle and purpose of protection. In this paper, some viewpoints are proposed by analyzing and investigating the characteristic,purpose and cost of Simplified Sprinkler System.1) The most economical and efficient way for protecting people's life and property is that Simplified sprinkler system been installed in dwelling houses.2) A simplified sprinkler system which is composed of water source, pipeline pump,pipes, current of water display ,nozzle,contral valve, is suitable for our country.And its water is supplied by gravity tank or gravity tank or hydrant system or city3) Spray intensity of simplified sprinkler system is 3 L/min.m2, protection area of them is 50m2.