Application of flame arrester —— Safety measures for thermal waste gas cleaning;
阻火器的应用——燃烧炉/火炬系统的安全防范措施
To solve the problems of easy flame arresterblocking, frequent igniter failures, easy flame blow out etc in the flare system of FCC unit in Changqing No.
针对原长庆第一助剂厂小型催化裂化装置火炬系统阻火器易堵塞、点火器频繁失效、火炬易熄灭等问题,重新设计了阻火器阀组,采用“低位点火、阶梯引燃”的方法降低点火头的安装高度,用开有断续长条孔的不锈钢管对所有点火弯管火嘴和长明灯火嘴进行圈闭以起到挡风稳焰的作用。
An analysis on the damage of flame arrester of oil tank has been made from its structure as well as daily care.
从设计结构及维护保养的角度分析了储油罐阻火器损坏的原因,并提出了相应的改进措施,即在结构方面可以将阻火器外壳铸为一体,省去中间法兰,增加壳体厚度,加大法兰与壳体之间的铸造圆角,以增加强度减少局部应力;在维护保养方面,应适当减少操作次数,延长阻火器的使用寿命。
By using the suppressing explosion methods such as monitoring, suppressing, acting of suppressing system, and fire arresting and isolating, the problems of anti explosion and suppressing explosion in the closed vessels have been solved.
对易燃易爆介质的防爆抑爆技术进行了阐述 ,指出了目前监测控制技术、惰化技术、爆炸泄放技术的应用特点及技术关键 ;封闭空间抑爆技术比较成熟 ,利用传感测控技术、抑制剂技术、抑爆启动技术和阻火隔爆技术较好地解决了封闭空间的防爆抑爆问题 ;开敞空间抑爆技术虽然利用传感技术、抑制剂技术解决了一些问题 ,但是 ,火焰减速灭火机理以及环保型抑制剂的灭火机理仍是目前热门研究课
The working principle,structure and function of a new type of fire prevention covering used for automobiles are stated systematically and the fire prevention covering has undergone a comprehensive test.
系统阐述了新型机动车辆阻火罩的工作原理、结构及其功能,并对该阻火罩进行了综合测试,同时将其与原有阻火罩的各项性能进行了对比分析。
History and current situation of research, development, production and industry standard preparation about fire stopping collar of PVCU pipe for building drainage in China are described.
介绍了我国硬聚氯乙烯阻火圈的研究、开发、生产及行业标准编制的历程和现状,对阻火圈使用范围、安装方式、技术发展方向及检测标准的修订提出了建议。