CAJ | 학술논문

目前，外浮顶储罐的火灾报警系统是采用光纤光栅火灾报警系统。但是，考虑到光纤光栅火灾报警运行费用高和存在报警盲目的缺点，研制了基于气压监测的外浮顶储罐火灾报警系统。针对不同型号的感温探头，开展了火灾报警系统火灾报警响应时间和报警温度实验，分析了火焰距离、热熔管管径以及管壁厚度与对火灾报警响应时间和报警温度的影响。实验结果表明：随着火焰距离的增大，报警响应时间增长；相同火焰距离条件下，随着感温热熔管直径的增大，报警响应时间增长，报警温度升高。Φ6热熔管的火灾报警温度为116.8℃，Φ8热熔管的火灾报警温度为129.1℃，Φ10热熔管的火灾报警温度为156.7℃。
목전，외부정저관적화재보경계통시채용광섬광책화재보경계통。단시，고필도광섬광책화재보경운행비용고화존재보경맹목적결점，연제료기우기압감측적외부정저관화재보경계통。침대불동형호적감온탐두，개전료화재보경계통화재보경향응시간화보경온도실험，분석료화염거리、열용관관경이급관벽후도여대화재보경향응시간화보경온도적영향。실험결과표명：수착화염거리적증대，보경향응시간증장；상동화염거리조건하，수착감온열용관직경적증대，보경향응시간증장，보경온도승고。Φ6열용관적화재보경온도위116.8℃，Φ8열용관적화재보경온도위129.1℃，Φ10열용관적화재보경온도위156.7℃。
At present , the fire alarm system based on optical fiber grating has usually been used on the floating roof tank.But, considering the shortcomings of high operating cost and presence of fire alarm blind in the fire alarm sys -tem based on optical fiber grating , a fire alarm system of external floating roof tank based on air pressure monitoring was developed .The experiments on fire alarm response time and alarm temperature of fire alarm system for the dif-ferent types of temperature sensing probe were carried out , and the effect of flame distance , diameter and thickness of thermal melting pipe on fire alarm response time and fire alarm temperature were analyzed .The results showed that the alarm response time increases with the increase of flame distance .In the condition of same flame distance , the fire alarm response time and fire alarm temperature increase with the increase of diameter of temperature sensing thermal melting pipe.The fire alarm temperature of Φ6,Φ8 and Φ10 thermal melting pipe is 116.8℃, 129.1℃and 156 .7℃respectively .